/* =====================================================================
   KP DESIGN PROPERTY — Site stylesheet
   โทน: สถาปัตยกรรมร่วมสมัย พื้นที่ว่างเยอะ เส้นบาง ส้มเป็นสีเน้น
   ===================================================================== */

/* ---------------------------------------------------------- 1. TOKENS
   ทุกค่าที่นี่คือ "ค่าสำรอง" เท่านั้น — ค่าจริงถูกฉีดจากหลังบ้าน
   ผ่าน <style id="kp-theme"> ที่หัวเอกสาร (ดู src/lib/theme.ts)
   ------------------------------------------------------------------- */
:root {
  /* --- สี: พื้นหลัง --- */
  --paper:       #F1F0EC;
  --paper-2:     #DEDBD3;
  --paper-3:     #E7E5DF;
  --card:        #F7F6F3;
  --night:       #121310;
  --night-2:     #1C1D19;
  --night-3:     #24251F;
  --band:        #C7C1B6;
  --band-box:    #C7C1B6;
  --band-fg:     #121310;
  --header-bg:   #F1F0EC;
  --header-fg:      #121310;   /* ตัวอักษรหัวเว็บ ตอนหัวเว็บเป็นพื้นทึบ */
  --header-fg-over: #FFFFFF;   /* ตัวอักษรหัวเว็บ ตอนทับอยู่บนภาพหน้าปก */
  --footer-bg:   #121310;
  --menu-bg:     #121310;

  /* --- สี: ตัวหนังสือ --- */
  --ink:         #121310;
  --ink-2:       #2A2B24;
  --ink-3:       #6B6C63;
  --ink-4:       #9B9A90;
  --on-dark-h:   #F1F0EC;
  --on-dark:     #C7C1B6;
  --footer-fg:   #B0ADA4;

  /* --- สี: เส้นและกรอบ --- */
  --line:        #DEDBD3;
  --line-2:      #E7E5DF;
  --line-dark:   #2C2D27;
  /* สีตัวหนังสือแยกตาม "พื้นที่มันวางอยู่จริง"
     เมนูเต็มจอ / ทับรูปภาพ / ท้ายเว็บ ใช้พื้นคนละตัวกัน จึงต้องแยกสีกัน
     ไม่งั้นเปลี่ยนสีพื้นส่วนใดส่วนหนึ่ง แล้วอีกส่วนตัวหนังสือจะจมหาย */
  --menu-fg:      #F1F0EC;
  --menu-fg-soft: #C7C1B6;
  --menu-line:    #2C2D27;
  --hero-fg:      #FFFFFF;   /* ทับรูปภาพ — ต้องตั้งเอง คำนวณจากรูปไม่ได้ */
  --footer-fg-strong: #F1F0EC;
  --footer-line:  #2C2D27;
  --gray:        #B9B3A7;

  /* --- สี: เน้นและไอคอน --- */
  --accent:      #C7C1B6;
  --accent-deep: #8A8375;
  --accent-soft: #E9E6DF;
  --icon-fg:      #8A8375;
  --icon-fg-dark: #C7C1B6;
  --brand-kp:    #FAAF38;

  /* --- สี: ปุ่ม --- */
  --btn-bg-1:      #121310;
  --btn-fg-1:      #F1F0EC;
  --btn-bd-1:      #121310;
  --btn-hov-bg:    #C7C1B6;
  --btn-hov-fg:    #121310;
  --btn-ghost-fg:  #121310;
  --btn-ghost-bd:  #B9B3A7;
  --float-bg:      #121310;
  --float-fg:      #F1F0EC;

  /* --- ฟอนต์ --- */
  --font-display: 'Sora', 'Anuphan', system-ui, sans-serif;
  --font-body:    'Anuphan', 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-label:   'Anton', 'Sora', system-ui, sans-serif;
  --fw-heading:   500;
  --fw-body:      400;
  --lh-body:      1.72;
  --lh-heading:   1.16;
  --ls-heading:   -0.02em;
  --ls-label:     0.26em;

  /* --- ขนาดตัวหนังสือ: ตัวคูณจากหลังบ้าน (1 = ขนาดมาตรฐาน) --- */
  --sc-all: 1; --sc-sm: 1; --sc-body: 1; --sc-h3: 1; --sc-h2: 1;
  --sc-h1: 1; --sc-display: 1; --sc-hero: 1; --sc-btn: 1;
  --fs-eyebrow: 0.78rem;

  /* --- ขนาดตัวหนังสือ: ค่าจริงที่ทั้งเว็บใช้ --- */
  --step--1: calc(clamp(0.80rem, 0.77rem + 0.15vw, 0.88rem) * var(--sc-sm)      * var(--sc-all));
  --step-0:  calc(clamp(0.95rem, 0.91rem + 0.20vw, 1.05rem) * var(--sc-body)    * var(--sc-all));
  --step-1:  calc(clamp(1.10rem, 1.02rem + 0.38vw, 1.35rem) * var(--sc-h3)      * var(--sc-all));
  --step-2:  calc(clamp(1.35rem, 1.18rem + 0.80vw, 1.90rem) * var(--sc-h2)      * var(--sc-all));
  --step-3:  calc(clamp(1.70rem, 1.35rem + 1.60vw, 2.75rem) * var(--sc-h1)      * var(--sc-all));
  --step-4:  calc(clamp(2.10rem, 1.50rem + 2.80vw, 4.00rem) * var(--sc-display) * var(--sc-all));
  --step-5:  calc(clamp(2.60rem, 1.60rem + 4.60vw, 5.75rem) * var(--sc-hero)    * var(--sc-all));

  /* --- กล่อง ระยะห่าง และเส้นขอบ --- */
  --border-w:  1px;
  --card-pad:  1.7rem;
  --grid-gap:  1.7rem;
  --sc-section: 1;
  --gutter-max: 3.6rem;
  --gutter: clamp(1.15rem, 0.6rem + 2.6vw, var(--gutter-max));
  --max:    1460px;
  --max-narrow: 820px;
  --radius:    0px;
  --radius-sm: var(--radius);
  --radius-lg: var(--radius);

  /* --- ไอคอน --- */
  --icon-scale:  1;
  --icon-stroke: 1.6;
  --icon-box:    46px;
  --icon-social: 40px;
  --icon-float:  52px;

  /* --- ปุ่ม --- */
  --btn-pad-y:  0.95em;
  --btn-pad-x:  1.9em;
  --btn-fw:     600;
  --btn-radius: 0px;

  /* --- ตำแหน่งและการจัดวาง --- */
  --h-brand-order: 1; --h-menu-order: 2; --h-contact-order: 3;
  --h-brand-mi: 0; --h-menu-mi: 0; --h-contact-mi: auto 0 0 auto;
  --h-gap: 1.6rem;
  --menu-align: left;    --menu-items: flex-start;   --menu-mi: 0 auto;
  --hero-align: left;    --hero-items: flex-start;   --hero-mi: 0 auto;
  --hero-valign: center; --hero-dx: 0rem; --hero-dy: 0rem;
  --herobar-justify: center;
  --sh-align: left;      --sh-items: flex-start;     --sh-mi: 0 auto;
  --ph-align: left;      --ph-items: flex-start;     --ph-mi: 0 auto;
  --card-align: left;    --card-items: flex-start;   --card-mi: 0 auto;
  --band-align: left;    --band-items: flex-start;   --band-mi: 0 auto;
  --footer-align: left;  --footer-items: flex-start; --footer-mi: 0 auto;
  --float-right: 22px;   --float-left: auto; --float-bottom: 22px;

  /* เงาบางมาก ใช้เท่าที่จำเป็น — ความลึกมาจากเส้นและช่องไฟแทน */
  --shadow-1: none;
  --shadow-2: 0 1px 2px rgba(19,19,19,.04);
  --shadow-3: 0 2px 10px rgba(19,19,19,.07);

  --ease:      cubic-bezier(.22,.61,.36,1);
  --ease-out:  cubic-bezier(.16,1,.3,1);
  --ease-in-out: cubic-bezier(.65,0,.35,1);
  --header-h: 82px;
}

/* ------------------------------------------------------------ 2. RESET */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 32px);
}
body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: var(--fw-body);
  line-height: var(--lh-body);
  color: var(--ink-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
img, svg, video, canvas, iframe { display: block; max-width: 100%; }
img, video { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: var(--lh-heading);
  font-weight: var(--fw-heading);
  letter-spacing: var(--ls-heading);
  text-wrap: balance;
}
p { text-wrap: pretty; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--accent); color: var(--ink); }

/* ------------------------------------------------------- 3. PRIMITIVES */
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-narrow { max-width: var(--max-narrow); }
.wrap-wide { max-width: 1560px; }
.section { padding-block: calc(clamp(4.5rem, 2.5rem + 7.5vw, 10rem) * var(--sc-section)); }
.section-tight { padding-block: calc(clamp(3rem, 1.8rem + 4.5vw, 6rem) * var(--sc-section)); }
.section--dark { background: var(--night); color: var(--on-dark); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: var(--on-dark-h); }
.section--paper { background: var(--paper-2); }
.section--paper-3 { background: var(--paper-3); }

.icon {
  flex: none;
  stroke-width: var(--icon-stroke, 1.6);
  width:  calc(var(--i, 20px) * var(--icon-scale, 1));
  height: calc(var(--i, 20px) * var(--icon-scale, 1));
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 999;
  background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 0;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* --- eyebrow / หัวข้อย่อยเหนือหัวเรื่อง --- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--font-display);
  font-family: var(--font-label); font-weight: 400;
  font-size: calc(var(--fs-eyebrow) * var(--sc-all)); letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--accent-deep);
}
.eyebrow::before {
  content: ''; width: 26px; height: 1.5px;
  background: currentColor; opacity: .6;
}
.section--dark .eyebrow { color: var(--accent); }

.h-display { font-size: var(--step-4); letter-spacing: -0.03em; }
.h-1 { font-size: var(--step-3); }
.h-2 { font-size: var(--step-2); }
.h-3 { font-size: var(--step-1); }
.lead { font-size: var(--step-1); line-height: 1.62; color: var(--ink-3); font-weight: 300; }
.muted { color: var(--ink-3); }
.section--dark .muted, .section--dark .lead { color: var(--on-dark); }
.accent-text { color: var(--accent-deep); }
.section--dark .accent-text { color: var(--accent); }

.section-head {
  max-width: 760px; margin-bottom: clamp(2.5rem, 1.2rem + 4vw, 5rem);
  text-align: var(--sh-align);
}
.section-head:not(.section-head--split) { margin-inline: var(--sh-mi); }
.section-head .eyebrow { justify-content: var(--sh-items); }
.section-head > * + * { margin-top: .85rem; }
.section-head--split {
  max-width: none; display: grid; gap: 1.5rem 3rem; text-align: var(--sh-align);
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  padding-bottom: clamp(1.4rem, .8rem + 1.6vw, 2.2rem);
  border-bottom: 1px solid var(--line);
}
.section--dark .section-head--split { border-bottom-color: var(--line-dark); }
@media (min-width: 900px) {
  .section-head--split { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
  .section-head--split .section-head__aside { text-align: right; }
}

/* --------------------------------------------------------- 4. BUTTONS */
.btn {
  --btn-bg: var(--btn-bg-1); --btn-fg: var(--btn-fg-1); --btn-bd: var(--btn-bd-1);
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  gap: .7em; padding: var(--btn-pad-y) var(--btn-pad-x);
  font-family: var(--font-display);
  font-size: calc(var(--step-0) * var(--sc-btn)); font-weight: var(--btn-fw);
  letter-spacing: .005em; line-height: 1.2;
  color: var(--btn-fg); background: var(--btn-bg);
  border: var(--border-w) solid var(--btn-bd); border-radius: var(--btn-radius);
  cursor: pointer; overflow: hidden; isolation: isolate;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out),
              color .3s var(--ease), background-color .3s var(--ease), border-color .3s var(--ease);
}
.btn::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: var(--btn-hov-bg); border-radius: inherit;
  transform: translateY(101%); transition: transform .45s var(--ease-out);
}
.btn:hover { color: var(--btn-hov-fg); border-color: var(--btn-hov-bg); }
.btn:hover::before { transform: translateY(0); }
.btn:active { opacity: .85; }
.btn .icon { transition: transform .35s var(--ease-out); }
.btn:hover .icon { transform: translateX(3px); }

.btn--accent { --btn-bg: var(--accent); --btn-fg: var(--ink); --btn-bd: var(--accent); }
.btn--accent::before { background: var(--ink); }
.btn--accent:hover { color: var(--paper); border-color: var(--ink); }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--btn-ghost-fg); --btn-bd: var(--btn-ghost-bd); }
.btn--ghost:hover { color: var(--btn-hov-fg); }

.btn--light { --btn-bg: transparent; --btn-fg: var(--hero-fg); --btn-bd: color-mix(in srgb, var(--hero-fg) 35%, transparent); }
.btn--light:hover { color: var(--btn-hov-fg); }

.btn--sm { padding: calc(var(--btn-pad-y) * .63) calc(var(--btn-pad-x) * .63); font-size: calc(var(--step--1) * var(--sc-btn)); }
.btn--lg { padding: var(--btn-pad-y) calc(var(--btn-pad-x) * 1.08); font-size: calc(var(--step-1) * var(--sc-btn)); }
.btn--block { display: flex; width: 100%; }

/* --- ลิงก์แบบขีดเส้นใต้เคลื่อนไหว --- */
.link-line {
  display: inline-flex; align-items: center; gap: .45em;
  font-family: var(--font-display); font-weight: 600;
  color: var(--ink); position: relative; padding-bottom: 3px;
}
.link-line::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1.5px; width: 100%;
  background: currentColor; transform-origin: right; transform: scaleX(0);
  transition: transform .45s var(--ease-out);
}
.link-line:hover::after { transform-origin: left; transform: scaleX(1); }
.link-line .icon { transition: transform .35s var(--ease-out); }
.link-line:hover .icon { transform: translate(3px, -3px); }
.section--dark .link-line { color: var(--on-dark-h); }

/* ------------------------------------------------------- 5. THE HEADER
   หัวเว็บเรียบแบบเว็บสถาปนิกสากล — เหลือเพียงโลโก้ / CONTACT / MENU
   หัวข้อหลักทั้งหมดย้ายไปอยู่ในเมนูเต็มจอ
   -------------------------------------------------------------------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background-color .4s var(--ease), box-shadow .4s var(--ease),
              height .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.header__inner {
  width: 100%; max-width: var(--max); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center;
  gap: min(var(--h-gap), 6vw);
}
/* ลำดับและระยะของแต่ละชิ้นมาจากหลังบ้าน (ตำแหน่งปุ่มเมนู) */
.header__brand   { order: var(--h-brand-order);   margin: var(--h-brand-mi); }
.header__actions { order: var(--h-menu-order);    margin: var(--h-menu-mi); }
.header__contact { order: var(--h-contact-order); margin: var(--h-contact-mi); }
.header__brand { display: flex; align-items: center; gap: .7rem; }
.header__logo { position: relative; display: block; width: 46px; flex: none; transition: transform .4s var(--ease-out); }
.header__logo img { width: 100%; height: auto; transition: opacity .35s var(--ease); }
.header__logo-light { position: absolute; inset: 0; opacity: 0; }
/* ทับแบนเนอร์อยู่ = ใช้โลโก้เวอร์ชันสว่าง, เลื่อนลงจนหัวเว็บเป็นสีขาว = กลับไปใช้สีเดิม */
.header--over:not(.header--solid) .header__logo-dark { opacity: 0; }
.header--over:not(.header--solid) .header__logo-light { opacity: 1; }
.header__brand:hover .header__logo { transform: rotate(-4deg) scale(1.04); }
.header__name {
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  letter-spacing: .06em; line-height: 1.15; color: var(--header-fg); white-space: nowrap;
}
/* "KP" เป็นสีส้มตามโลโก้จริงของบริษัท — คงสีไว้เสมอ ไม่ว่าพื้นหลังจะสว่างหรือมืด */
/* ตัวอักษร "KP" เป็นสีของแบรนด์เสมอ ไม่ว่าพื้นหลังจะสว่างหรือเข้ม
   ส่วนคำว่า DESIGN และ PROPERTY CO.,LTD. ใช้สีตัวหนังสือปกติ */
.header__name-kp, .brand-kp { color: var(--brand-kp) !important; font-weight: 700; }
.header__name small {
  display: block; font-size: .58rem; letter-spacing: .22em;
  font-weight: 500; color: color-mix(in srgb, var(--header-fg) 64%, transparent);
}

.header__actions { display: flex; align-items: center; gap: min(var(--h-gap), 6vw); }

/* --- CONTACT มุมขวา --- */
.header__contact {
  position: relative; display: none; align-items: center;
  font-family: var(--font-display); font-size: .74rem; font-weight: 600;
  font-family: var(--font-label); font-weight: 400;
  letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--header-fg);
  padding: .45rem 0; white-space: nowrap;
}
@media (min-width: 600px) { .header__contact { display: inline-flex; } }
.header__contact::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: .15rem;
  height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-out);
}
.header__contact:hover::after { transform: scaleX(1); transform-origin: left; }

/* --- ปุ่ม MENU --- */
.menu-btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .5rem 0 .5rem .2rem; color: var(--header-fg);
}
.menu-btn__label {
  font-family: var(--font-label); font-size: .8rem; font-weight: 400;
  letter-spacing: var(--ls-label); text-transform: uppercase; min-width: 4.6em; text-align: right;
}
.menu-btn__bars { display: grid; gap: 5px; width: 26px; }
.menu-btn__bars span {
  display: block; height: 1.6px; background: currentColor; border-radius: 2px;
  transition: transform .45s var(--ease-out), width .45s var(--ease-out);
}
.menu-btn__bars span:nth-child(2) { width: 66%; margin-left: auto; }
.menu-btn:hover .menu-btn__bars span:nth-child(2) { width: 100%; }
.menu-btn[aria-expanded="true"] .menu-btn__bars span:nth-child(1) { transform: translateY(3.3px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-btn__bars span:nth-child(2) { width: 100%; transform: translateY(-3.3px) rotate(-45deg); }

.header--solid {
  background: color-mix(in srgb, var(--header-bg) 90%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom-color: var(--line);
  height: 68px;
}
/* หน้ารองที่มีแถบหัวเรื่อง (ไม่ใช่ภาพหน้าปกเต็มจอ):
   ให้ตัวอักษรหัวเว็บใช้สีเดียวกับหัวเรื่องของแถบนั้น ซึ่งระบบเลือกให้อ่านง่ายอยู่แล้ว
   จะได้ไม่เป็นตัวขาวบนพื้นสว่างจนอ่านไม่ออก */
body:has(.pagehead) .header--over:not(.header--solid) .header__name,
body:has(.pagehead) .header--over:not(.header--solid) .header__contact,
body:has(.pagehead) .header--over:not(.header--solid) .menu-btn { color: var(--on-dark-h); }
body:has(.pagehead) .header--over:not(.header--solid) .header__name small {
  color: color-mix(in srgb, var(--on-dark-h) 70%, transparent);
}
/* โลโก้เวอร์ชันสว่างจะจมไปกับพื้นสว่าง จึงกลับไปใช้โลโก้สีเข้ม */
body:has(.pagehead) .header--over:not(.header--solid) .header__logo-dark { opacity: var(--ph-logo-dark, 1); }
body:has(.pagehead) .header--over:not(.header--solid) .header__logo-light { opacity: var(--ph-logo-light, 0); }

/* ทับแบนเนอร์: ใช้สีตัวอักษรชุด "ตอนทับภาพ" ซึ่งปรับแยกได้จากหลังบ้าน */
.header--over:not(.header--solid) .header__name,
.header--over:not(.header--solid) .header__contact,
.header--over:not(.header--solid) .menu-btn { color: var(--header-fg-over); }
.header--over:not(.header--solid) .header__name small {
  color: color-mix(in srgb, var(--header-fg-over) 70%, transparent);
}

/* ตอนเมนูเปิด หัวเว็บต้องอ่านออกบนพื้นเข้มของเมนูเสมอ */
body.is-menu-open .header { background: transparent; border-bottom-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
body.is-menu-open .header__name,
body.is-menu-open .header__contact,
body.is-menu-open .menu-btn { color: var(--header-fg-over); }
body.is-menu-open .header__name small {
  color: color-mix(in srgb, var(--header-fg-over) 70%, transparent);
}
body.is-menu-open .header__logo-dark { opacity: 0; }
body.is-menu-open .header__logo-light { opacity: 1; }

/* --- เมนูเต็มจอ --- */
.site-menu {
  position: fixed; inset: 0; z-index: 99;
  background: var(--menu-bg);
  padding: calc(var(--header-h) + 2rem) 0 2.5rem;
  overflow-y: auto; overscroll-behavior: contain;
  opacity: 0; visibility: hidden;
  clip-path: inset(0 0 100% 0);
  transition: opacity .4s var(--ease), visibility .4s, clip-path .7s var(--ease-out);
}
.site-menu[data-open="true"] { opacity: 1; visibility: visible; clip-path: inset(0 0 0 0); }
.site-menu::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(80% 70% at 100% 0%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 62%);
}
.site-menu__inner {
  position: relative; z-index: 1;
  display: grid; gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: start;
}
@media (min-width: 900px) { .site-menu__inner { grid-template-columns: 1fr minmax(280px, 360px); } }

.site-menu__list { display: flex; flex-direction: column; border-top: var(--border-w) solid var(--menu-line); }
.site-menu__list a {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center;
  justify-items: var(--menu-items); text-align: var(--menu-align);
  gap: clamp(.9rem, .4rem + 1.4vw, 1.8rem);
  padding: clamp(.8rem, .5rem + .7vw, 1.15rem) .2rem;
  border-bottom: var(--border-w) solid var(--menu-line);
  color: var(--menu-fg);
  opacity: 0; transform: translateY(16px);
  transition: color .3s var(--ease), padding-left .4s var(--ease-out);
}
.site-menu[data-open="true"] .site-menu__list a { animation: navIn .55s var(--ease-out) forwards; }
@keyframes navIn { to { opacity: 1; transform: none; } }
.site-menu__list a:hover { color: var(--accent); padding-left: 1rem; }
.site-menu__list a[aria-current="page"] { color: var(--accent); }
.site-menu__list a .icon { opacity: 0; transform: translate(-8px, 8px); transition: opacity .35s var(--ease), transform .45s var(--ease-out); }
.site-menu__list a:hover .icon { opacity: 1; transform: none; }
.site-menu__no {
  font-family: var(--font-display); font-size: .7rem; font-weight: 600;
  letter-spacing: .16em; color: color-mix(in srgb, var(--menu-fg-soft) 55%, transparent);
}
.site-menu__label {
  font-family: var(--font-display); font-weight: 600; line-height: 1.15;
  font-size: clamp(1.45rem, 1.05rem + 1.7vw, 2.4rem); letter-spacing: -.02em;
}
.site-menu__label small {
  display: block; margin-top: .35em;
  font-family: var(--font-label); font-size: .7rem; font-weight: 400; letter-spacing: var(--ls-label);
  text-transform: uppercase; color: color-mix(in srgb, var(--menu-fg-soft) 60%, transparent);
}

.site-menu__side { color: var(--menu-fg-soft); font-size: var(--step--1); line-height: var(--lh-body); }
.site-menu__eyebrow {
  font-family: var(--font-display); font-size: .68rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 1.1rem;
}
.site-menu__side, .site-menu__calls, .site-menu__meta, .site-menu__social { text-align: var(--menu-align); }
.site-menu__calls { display: grid; gap: .6rem; margin-bottom: 1.6rem; }
.call-btn {
  display: grid; grid-template-columns: auto 1fr; gap: .8rem; align-items: center;
  padding: .85rem 1.1rem; border: var(--border-w) solid var(--menu-line);
  border-radius: var(--radius-sm); color: var(--menu-fg);
  font-family: var(--font-display); font-weight: 600; font-size: .98rem;
  transition: border-color .35s var(--ease), background-color .35s var(--ease), transform .35s var(--ease-out);
}
.call-btn .icon { color: var(--menu-fg-soft); }
.call-btn small {
  display: block; font-size: .64rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: color-mix(in srgb, var(--menu-fg-soft) 65%, transparent); margin-bottom: .15em;
}
.call-btn:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); transform: translateX(3px); }

.site-menu__meta { display: grid; gap: 1rem; padding-block: 1.3rem; border-top: var(--border-w) solid var(--menu-line); }
.site-menu__meta dt {
  display: flex; align-items: center; gap: .5em;
  font-family: var(--font-label); font-size: .72rem; font-weight: 400;
  letter-spacing: .2em; text-transform: uppercase; color: color-mix(in srgb, var(--menu-fg-soft) 65%, transparent);
  margin-bottom: .3rem;
}
.site-menu__meta dt .icon { color: var(--menu-fg-soft); }
.site-menu__meta dd { color: var(--menu-fg-soft); }
.site-menu__social { display: flex; gap: .5rem; flex-wrap: wrap; padding-top: .4rem; justify-content: var(--menu-items); }
.site-menu__disciplines {
  margin-top: 1.6rem; padding-top: 1.2rem; border-top: var(--border-w) solid var(--menu-line);
  font-family: var(--font-label); font-size: .68rem; font-weight: 400;
  letter-spacing: .22em; text-transform: uppercase; color: color-mix(in srgb, var(--menu-fg-soft) 70%, transparent);
  line-height: 2;
}
.site-menu__disciplines i { color: var(--accent); font-style: normal; margin-inline: .7em; }

/* --------------------------------------------------------- 6. THE HERO */
.hero {
  position: relative; min-height: 100svh;
  /* จอเตี้ย/มือถือ: ลดความสูงลงเพื่อให้กรอบภาพใกล้สัดส่วนรูปจริงมากขึ้น ภาพจึงถูกตัดน้อยลง */
  display: grid; align-items: end;
  color: var(--hero-fg); overflow: hidden; isolation: isolate;
  background: var(--night);
}
.hero__slides { position: absolute; inset: 0; z-index: -2; }
.hero__slide {
  position: absolute; inset: 0;
  opacity: 0; transition: opacity 1.5s var(--ease);
  will-change: opacity;
}
.hero__slide[data-active="true"] { opacity: 1; }
.hero__slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: var(--focal, 50% 50%);
  transform: scale(1.04);
  transition: transform 9s linear;
}
.hero__slide[data-active="true"] img { transform: scale(1); }
/* บนมือถือใช้จุดโฟกัสของตัวเอง เพื่อเลือกมุมภาพให้เหมาะกับจอแนวตั้ง */
@media (max-width: 759px) {
  .hero__slide img { object-position: var(--focal-m, var(--focal, 50% 50%)); }
}
/* ฟิลเตอร์ดำทับภาพหน้าปก — ปรับความเข้มได้จากหลังบ้าน
   ค่าเริ่มต้น 0 = ไม่มีฟิลเตอร์เลย เห็นสีภาพจริง
   (เปิดใช้เมื่อวางตัวหนังสือทับภาพ จะได้อ่านออก) */
.hero__scrim {
  position: absolute; inset: 0; z-index: -1;
  opacity: var(--hero-scrim, 0);
  background:
    linear-gradient(to top, rgba(10,10,10,.88) 0%, rgba(10,10,10,.52) 30%, rgba(10,10,10,.12) 68%, rgba(10,10,10,.34) 100%);
}
.hero__scrim::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(10,10,10,.62) 0%, rgba(10,10,10,.28) 42%, transparent 74%);
}
.hero__inner {
  position: relative; z-index: 1;
  width: 100%; max-width: var(--max); margin-inline: auto;
  padding: calc(var(--header-h) + 3rem) var(--gutter) clamp(4.5rem, 3rem + 6vw, 7rem);
  display: flex; justify-content: var(--hero-items); align-items: var(--hero-valign);
  min-height: calc(100svh - var(--header-h));
}
/* หน้าปกที่ไม่มีตัวหนังสือ: ให้ภาพเต็มจอ ไม่ต้องกันที่ว่างไว้ */
.hero--plain .hero__inner { display: none; }
.hero__content {
  max-width: 900px; text-align: var(--hero-align);
  transform: translate(var(--hero-dx), var(--hero-dy));
}
.hero__content .hero__actions { justify-content: var(--hero-items); }
.hero__content .eyebrow { justify-content: var(--hero-items); }
html.js .hero__slide-content > * { opacity: 0; transform: translateY(26px); }
.hero__slide-content[data-active="true"] > * { animation: heroIn .95s var(--ease-out) forwards; }
.hero__slide-content[data-active="true"] > *:nth-child(1) { animation-delay: .1s; }
.hero__slide-content[data-active="true"] > *:nth-child(2) { animation-delay: .22s; }
.hero__slide-content[data-active="true"] > *:nth-child(3) { animation-delay: .34s; }
.hero__slide-content[data-active="true"] > *:nth-child(4) { animation-delay: .46s; }
@keyframes heroIn { to { opacity: 1; transform: none; } }
.hero__slide-content { display: none; }
.hero__slide-content[data-active="true"] { display: block; }

.hero__eyebrow { color: var(--accent); margin-bottom: 1.1rem; }
.hero__title {
  font-size: var(--step-5); font-weight: var(--fw-heading); letter-spacing: -0.035em;
  line-height: 1.05; color: var(--hero-fg); margin-bottom: 1.3rem;
}
.hero__title em { font-style: normal; color: var(--accent); }
.hero__sub {
  font-size: var(--step-1); font-weight: 300; line-height: 1.6;
  color: var(--hero-fg); max-width: 56ch; margin-bottom: 2.1rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; }

.hero__bar {
  position: relative; z-index: 1;
  border-top: var(--border-w) solid color-mix(in srgb, var(--hero-fg) 18%, transparent);
  background: color-mix(in srgb, var(--night) 62%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.hero__bar-inner {
  max-width: var(--max); margin-inline: auto; padding: 1rem var(--gutter);
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  justify-content: var(--herobar-justify);
}
.hero__dots { display: flex; gap: .5rem; order: 1; }
/* กระจายเต็มความกว้าง = ดันตัวเลขไปชิดขวาเหมือนเดิม */
.hero__bar-inner { --herobar-push: 0; }
.hero__count { order: 4; }
.hero__dot {
  width: 34px; height: 3px; border-radius: 3px;
  background: color-mix(in srgb, var(--hero-fg) 28%, transparent); position: relative; overflow: hidden;
  transition: background-color .3s var(--ease);
}
.hero__dot span {
  position: absolute; inset: 0; background: var(--accent);
  transform-origin: left; transform: scaleX(0);
}
.hero__dot[data-active="true"] span { animation: dotFill 7s linear forwards; }
@keyframes dotFill { to { transform: scaleX(1); } }
.hero__count {
  font-family: var(--font-display); font-size: .82rem; letter-spacing: .1em;
  color: var(--hero-fg);
}
.hero__count b { color: var(--hero-fg); font-weight: 600; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(4px); } }

/* --- ปุ่มเลื่อนสไลด์เอง อยู่ในแถบล่าง ไม่ทับหัวเรื่องบนภาพ --- */
.hero__nav { order: 3; display: flex; gap: .4rem; }
/* มือถือ: ปัดนิ้วได้อยู่แล้ว ซ่อนปุ่มลูกศรเพื่อให้แถบล่างสั้นลง */
@media (max-width: 759px) {
  .hero__nav { display: none; }
  .hero__count { order: 2; }
  .hero__disciplines { order: 3; width: 100%; margin-top: .2rem; }
}
.hero__arrow {
  width: 36px; height: 36px; display: grid; place-items: center;
  border: var(--border-w) solid color-mix(in srgb, var(--hero-fg) 30%, transparent);
  background: transparent; color: var(--hero-fg);
  transition: background-color .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.hero__arrow:hover { background: var(--accent); border-color: var(--accent); color: var(--btn-hov-fg); }

/* --- สาขางานหลัก อยู่ในแถวเดียวกับจุดสไลด์และตัวเลข --- */
.hero__disciplines {
  order: 5; margin: 0; text-align: center;
  font-family: var(--font-label); font-weight: 400;
  font-size: clamp(.58rem, .5rem + .24vw, .76rem);
  letter-spacing: var(--ls-label); text-transform: uppercase;
  color: var(--hero-fg);
  text-shadow: 0 1px 12px rgba(0,0,0,.5);
}
.hero__disciplines i { color: var(--accent); font-style: normal; margin-inline: .55em; }
@media (min-width: 760px) {
  .hero__disciplines { white-space: nowrap; }
  /* คั่นบรรทัดสาขางานออกจากตัวเลขสไลด์ด้วยเส้นบาง */
  .hero__disciplines { padding-left: 1.2rem; border-left: var(--border-w) solid color-mix(in srgb, var(--hero-fg) 22%, transparent); }
}

/* --- แบนเนอร์หัวเรื่องของหน้ารอง --- */
.pagehead {
  position: relative;
  /* CSS math ต้องเว้นวรรครอบเครื่องหมาย + ไม่งั้นทั้งบรรทัดถูกทิ้ง แล้วหัวเรื่องจะถูกแถบเมนูทับ */
  padding: calc(var(--header-h) + clamp(3rem, 2rem + 4vw, 5.5rem)) 0 clamp(2.5rem, 1.5rem + 3vw, 4rem);
  background: var(--night); color: var(--on-dark-h); overflow: hidden; isolation: isolate;
  text-align: var(--ph-align);
}
.pagehead .crumbs, .pagehead .eyebrow { justify-content: var(--ph-items); }
.pagehead h1, .pagehead p { margin-inline: var(--ph-mi); }
.pagehead::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(90% 120% at 80% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%);
  opacity: var(--pagehead-glow, 1);
}
.pagehead__bg { position: absolute; inset: 0; z-index: -2; opacity: var(--pagehead-bg-op, .3); }
.pagehead__bg img { width: 100%; height: 100%; object-fit: cover; }
.pagehead h1 { color: var(--on-dark-h); font-size: var(--step-4); letter-spacing: var(--ls-heading); margin-top: .8rem; }
.pagehead p { color: var(--on-dark); max-width: 62ch; margin-top: 1rem; font-weight: 300; font-size: var(--step-1); }

.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; font-size: .82rem; color: var(--on-dark); }
.crumbs a:hover { color: var(--accent); }
.crumbs .icon { opacity: .5; }

/* ----------------------------------------------------- 7. MEDIA FRAMES */
/* กรอบภาพจะใช้สัดส่วนจริงของไฟล์เสมอ — ไม่ครอป ไม่ตัด */
.frame {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: var(--paper-3);
}
.frame img, .frame video { width: 100%; height: 100%; display: block; }
.frame--fit img { object-fit: contain; }
.frame--cover img { object-fit: cover; }
.frame--natural { aspect-ratio: var(--ar, 4/3); }
.frame img { opacity: 0; transition: opacity .7s var(--ease), transform 1.1s var(--ease-out); }
.frame img.is-loaded, .frame img[data-eager] { opacity: 1; }
.frame--zoom img { transition: transform 1.1s var(--ease-out), opacity .7s var(--ease); }
.frame--zoom:hover img { transform: scale(1.045); }
.frame__lqip {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; filter: blur(18px); transform: scale(1.1);
  opacity: 1; transition: opacity .6s var(--ease); pointer-events: none;
}
.frame__lqip.is-hidden { opacity: 0 !important; }
.frame__caption {
  margin-top: .7rem; font-size: var(--step--1); color: var(--ink-3); line-height: 1.55;
}

/* ------------------------------------------------------- 8. CARD TYPES */
.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--card); border-radius: var(--radius-lg);
  overflow: hidden; height: 100%;
  transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out);
}
.card { border: var(--border-w) solid var(--line); }
.card:hover { border-color: var(--ink); }
.card__media { position: relative; overflow: hidden; background: var(--paper-3); }
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__body {
  padding: var(--card-pad); display: flex; flex-direction: column; gap: .55rem; flex: 1;
  text-align: var(--card-align); align-items: var(--card-items);
}
.card__tag {
  display: inline-flex; align-items: center; gap: .4em; align-self: flex-start;
  font-family: var(--font-label); font-size: .78rem; font-weight: 400;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent-deep);
}
.card__title { font-size: var(--step-1); line-height: 1.3; }
.card__text { font-size: var(--step--1); color: var(--ink-3); line-height: var(--lh-body); }
.card__foot { margin-top: auto; padding-top: 1rem; display: flex; align-items: center; gap: .5rem; }

/* --- การ์ดผลงาน: รูปไม่ถูกครอป ใช้อัตราส่วนจริง --- */
.work-card { display: block; position: relative; }
.work-card__media {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: var(--paper-3); aspect-ratio: var(--ar, 4/3);
}
.work-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  object-position: var(--focal, 50% 50%);
  opacity: 0;
  transition: transform 1.2s var(--ease-out), opacity .7s var(--ease);
}
.work-card__media img.is-loaded { opacity: 1; }
.work-card__media .frame__lqip { opacity: 1; }
.work-card:hover .work-card__media img { transform: scale(1.05); }
.work-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,.82) 0%, rgba(10,10,10,.18) 55%, transparent 80%);
  opacity: 0; transition: opacity .5s var(--ease);
  display: flex; align-items: flex-end; padding: var(--card-pad);
}
.work-card:hover .work-card__overlay,
.work-card:focus-visible .work-card__overlay { opacity: 1; }

/* ชื่อโครงการที่เด้งขึ้นมาบนรูปตอนชี้เมาส์ */
.work-card__pop {
  display: flex; flex-direction: column; gap: .3rem; width: 100%;
  color: var(--hero-fg);
  transform: translateY(16px); transition: transform .5s var(--ease-out);
}
.work-card:hover .work-card__pop,
.work-card:focus-visible .work-card__pop { transform: none; }
.work-card__pop b {
  font-family: var(--font-display); font-weight: var(--fw-heading);
  font-size: var(--step-1); line-height: 1.25; letter-spacing: var(--ls-heading);
}
.work-card__pop small {
  font-family: var(--font-label); font-weight: 400; font-size: .72rem;
  letter-spacing: .2em; text-transform: uppercase;
  color: color-mix(in srgb, var(--hero-fg) 78%, transparent);
}
.work-card__info { padding-top: 1.05rem; display: flex; flex-direction: column; gap: .3rem; }
.work-card__cat {
  font-family: var(--font-display); font-size: .72rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent-deep);
}
.work-card__title {
  font-size: var(--step-1); line-height: 1.32;
  transition: color .3s var(--ease);
}
.work-card:hover .work-card__title { color: var(--accent-deep); }
.work-card__info { text-align: var(--card-align); align-items: var(--card-items); }
.work-card__meta {
  display: flex; flex-wrap: wrap; gap: .35rem .9rem;
  font-size: var(--step--1); color: var(--ink-4);
}
.work-card__meta span { display: inline-flex; align-items: center; gap: .35em; }

/* -------------------------------------------------------- 9. THE GRIDS */
.grid { display: grid; gap: var(--grid-gap); }
.grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
@media (min-width: 620px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- กริดผลงานแบบเหลื่อม (arty) --- */
.work-grid { display: grid; gap: calc(var(--grid-gap) * 1.4); grid-template-columns: 1fr; }
@media (min-width: 760px) {
  .work-grid { grid-template-columns: repeat(12, 1fr); }
  .work-grid > * { grid-column: span 6; }
  .work-grid > *:nth-child(6n+1) { grid-column: span 7; }
  .work-grid > *:nth-child(6n+2) { grid-column: span 5; margin-top: clamp(1.5rem, 4vw, 4.5rem); }
  .work-grid > *:nth-child(6n+3) { grid-column: span 5; }
  .work-grid > *:nth-child(6n+4) { grid-column: span 7; margin-top: clamp(1rem, 2.5vw, 3rem); }
  .work-grid > *:nth-child(6n+5) { grid-column: span 6; }
  .work-grid > *:nth-child(6n+6) { grid-column: span 6; margin-top: clamp(1rem, 2.5vw, 3rem); }
}

/* --- กริดผลงานแบบสม่ำเสมอ: ทุกใบขนาดเท่ากัน เรียงเป็นระเบียบ --- */
.work-grid--even { grid-template-columns: 1fr; }
@media (min-width: 620px) { .work-grid--even { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .work-grid--even { grid-template-columns: repeat(3, 1fr); } }
.work-grid--even > * { grid-column: auto !important; margin-top: 0 !important; }

/* --- กริดผลงานแบบ A49: ภาพชิดกัน ชื่อโครงการอยู่บนรูป --- */
.work-grid--tight {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--tight-gap, 2px);
}
@media (min-width: 760px)  { .work-grid--tight { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1400px) { .work-grid--tight { grid-template-columns: repeat(3, 1fr); } }
.work-grid--tight > * { grid-column: auto !important; margin-top: 0 !important; }

/* ในกริดแบบนี้ ข้อมูลใต้รูปถูกซ่อน แล้วโชว์บนรูปแทน (เหมือน a49.com/Projects) */
.work-card--tile .work-card__info { display: none; }
.work-card--tile .work-card__media { border-radius: 0; }
.work-card--tile .work-card__overlay {
  opacity: 1;
  background: linear-gradient(to top, rgba(10,10,10,.72) 0%, rgba(10,10,10,.05) 46%, transparent 70%);
}
.work-card--tile .work-card__pop { transform: none; }
.work-card--tile .work-card__pop b { font-size: var(--step-0); }

/* มือถือ: รูปเล็ก ชื่อโครงการทับบนรูปแล้วอ่านไม่ออกและรกตา
   จึงโชว์แต่รูปล้วน ๆ (จอคอมยังเด้งชื่อขึ้นตอนชี้เมาส์เหมือนเดิม) */
@media (max-width: 759px) {
  .work-card--tile .work-card__overlay { display: none; }
}

@media (min-width: 760px) {
  /* จอคอม: ชื่อจะเด้งขึ้นตอนชี้เมาส์ เหมือนต้นแบบ */
  .work-card--tile .work-card__overlay { opacity: 0; }
  .work-card--tile:hover .work-card__overlay,
  .work-card--tile:focus-visible .work-card__overlay { opacity: 1; }
  .work-card--tile .work-card__pop { transform: translateY(14px); }
  .work-card--tile:hover .work-card__pop,
  .work-card--tile:focus-visible .work-card__pop { transform: none; }
}

/* --- ทีมงาน (OUR TEAM) --- */
.team-grid { display: grid; gap: calc(var(--grid-gap) * 1.3); grid-template-columns: 1fr; }
@media (min-width: 700px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .team-grid--3up { grid-template-columns: repeat(3, 1fr); } }
.team-card {
  display: flex; flex-direction: column; gap: 1rem; width: 100%; max-width: 420px;
  margin-inline: var(--card-mi);
  text-align: var(--card-align); align-items: var(--card-items);
}
.team-card__name {
  font-family: var(--font-display); font-size: var(--step-1);
  font-weight: var(--fw-heading); color: var(--ink); line-height: 1.25;
}
.team-card__role {
  font-family: var(--font-label); font-weight: 400; font-size: .74rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--accent-deep);
  margin-top: .35rem; display: block;
}
.team-card__bio { font-size: var(--step--1); color: var(--ink-3); line-height: var(--lh-body); }
.team-card__ph {
  width: 100%; aspect-ratio: 3 / 4; display: grid; place-items: center;
  background: var(--paper-2); border: var(--border-w) dashed var(--line);
  border-radius: var(--radius); color: var(--ink-4);
}

/* --- แถบภาพเล่าเรื่องในหน้าเกี่ยวกับเรา --- */
.about-strip { display: grid; gap: clamp(.8rem, .5rem + 1vw, 1.4rem); grid-template-columns: 1fr; }
@media (min-width: 760px) { .about-strip { grid-template-columns: 1.15fr 1fr 1fr; align-items: end; } }

/* --- แกลเลอรีแบบ masonry: ภาพเต็มใบ ไม่ครอป --- */
.masonry { columns: 1; column-gap: var(--grid-gap); }
@media (min-width: 620px) { .masonry { columns: 2; } }
@media (min-width: 1040px) { .masonry { columns: 3; } }
.masonry > * {
  break-inside: avoid; margin-bottom: var(--grid-gap);
  display: block;
}
.masonry img { width: 100%; height: auto; border-radius: var(--radius); }

/* ------------------------------------------- 10. FEATURES / STATS / ETC */
.feature {
  display: flex; flex-direction: column; gap: .85rem;
  padding: var(--card-pad);
  background: var(--card); border: var(--border-w) solid var(--line);
  border-radius: var(--radius); height: 100%;
  text-align: var(--card-align); align-items: var(--card-items);
  transition: border-color .4s var(--ease), transform .45s var(--ease-out), box-shadow .45s var(--ease-out);
}
.feature:hover { border-color: var(--ink); }
/* ไอคอนเปลือย ไม่มีกล่องสีพื้น — สะอาดตาแบบเว็บสถาปนิก */
.feature__icon {
  display: inline-flex; width: auto; height: auto; color: var(--icon-fg);
  transition: color .4s var(--ease), transform .5s var(--ease-out);
}
.feature:hover .feature__icon { transform: translateX(2px); }
.feature h3 { font-size: var(--step-1); }
.feature p { font-size: var(--step--1); color: var(--ink-3); line-height: var(--lh-body); }
/* รูปใต้หัวข้อในกล่อง (ขั้นตอนการทำงาน / ปรัชญาการออกแบบ) */
.feature__media { width: 100%; margin-top: .2rem; }
.feature__media .frame { border-radius: var(--radius); }
.section--dark .feature { background: var(--night-2); border-color: var(--line-dark); }
.section--dark .feature p { color: var(--on-dark); }
.section--dark .feature__icon { color: var(--icon-fg-dark); }

.stat { display: flex; flex-direction: column; gap: .3rem; }
.stat__num {
  font-family: var(--font-display); font-size: var(--step-3);
  font-weight: 700; letter-spacing: -.03em; color: var(--ink); line-height: 1;
}
.section--dark .stat__num { color: var(--on-dark-h); }
.stat__num .unit { color: var(--accent); }
.stat__label { font-size: var(--step--1); color: var(--ink-3); }

/* --- ขั้นตอนการทำงาน --- */
.steps { display: grid; gap: 0; }
.step {
  display: grid; gap: .6rem 1.6rem; align-items: start;
  grid-template-columns: auto 1fr;
  padding: clamp(1.3rem, 1rem + 1vw, 2rem) 0;
  border-top: var(--border-w) solid var(--line);
  transition: background-color .4s var(--ease);
}
.step:last-child { border-bottom: var(--border-w) solid var(--line); }
.section--dark .step { border-color: var(--line-dark); }
.step__no {
  font-family: var(--font-display); font-size: var(--step-2); font-weight: 300;
  color: var(--gray); line-height: 1; min-width: 2.2ch;
  transition: color .4s var(--ease), transform .5s var(--ease-out);
}
.step:hover .step__no { color: var(--accent); transform: translateX(3px); }
.step__title { font-size: var(--step-1); display: flex; align-items: baseline; gap: .6rem; flex-wrap: wrap; }
.step__title small {
  font-family: var(--font-label); font-size: .78rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-4); font-weight: 400;
}
.step__desc { grid-column: 2; font-size: var(--step-0); color: var(--ink-3); max-width: 68ch; }
.section--dark .step__desc { color: var(--on-dark); }

/* --- ขั้นตอนการทำงานแบบการ์ด: มีรูปใต้หัวข้อ (HOW WE WORK หน้าแรก) --- */
.steps--cards { display: grid; gap: var(--grid-gap); grid-template-columns: 1fr; }
@media (min-width: 620px)  { .steps--cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .steps--cards { grid-template-columns: repeat(4, 1fr); } }
.step-card {
  display: flex; flex-direction: column; gap: .8rem;
  padding-top: 1.1rem; border-top: calc(var(--border-w) * 2) solid var(--ink);
  text-align: var(--card-align); align-items: var(--card-items);
}
.step-card__no {
  font-family: var(--font-label); font-weight: 400; font-size: .78rem;
  letter-spacing: .22em; color: var(--accent-deep);
}
.step-card__title {
  font-size: var(--step-1); line-height: 1.28; color: var(--ink);
  font-family: var(--font-display); font-weight: var(--fw-heading);
}
.step-card__title small {
  display: block; margin-top: .3rem;
  font-family: var(--font-label); font-size: .7rem; font-weight: 400;
  letter-spacing: .2em; text-transform: uppercase; color: var(--ink-4);
}
.step-card__desc { font-size: var(--step--1); color: var(--ink-3); line-height: var(--lh-body); }
.step-card__media { width: 100%; margin-top: auto; padding-top: .4rem; }
.step-card__ph {
  width: 100%; aspect-ratio: 4 / 3; display: grid; place-items: center;
  background: var(--paper-2); border: var(--border-w) dashed var(--line);
  border-radius: var(--radius); color: var(--ink-4);
}
.section--dark .step-card { border-top-color: var(--on-dark-h); }
.section--dark .step-card__title { color: var(--on-dark-h); }
.section--dark .step-card__desc { color: var(--on-dark); }

/* ------------------------------------------------------- 11. PACKAGES */
.pkg-grid { display: grid; gap: var(--grid-gap); grid-template-columns: repeat(auto-fit, minmax(min(100%, 285px), 1fr)); align-items: stretch; }
.pkg {
  position: relative; display: flex; flex-direction: column; gap: 1rem;
  padding: var(--card-pad);
  background: var(--card); border: var(--border-w) solid var(--line);
  border-radius: var(--radius-lg); height: 100%;
  transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out), border-color .4s var(--ease);
}
.pkg:hover { border-color: var(--ink); }
/* ใบที่แนะนำ: พื้นขาวเหมือนใบอื่นทั้งหมด ต่างกันแค่กรอบสีส้ม */
.pkg--highlight { border-color: var(--accent-deep); border-width: calc(var(--border-w) * 1.6); background: var(--card); }
.pkg--highlight .pkg__foot .btn { --btn-bd: var(--accent-deep); }
.pkg__badge {
  position: absolute; top: -11px; left: var(--card-pad);
  display: inline-flex; align-items: center; gap: .35em;
  padding: .34em .85em; border-radius: 0;
  background: var(--accent); color: var(--ink);
  font-family: var(--font-label); font-size: .76rem; font-weight: 400;
  letter-spacing: .14em; text-transform: uppercase;
}
.pkg__icon {
  display: inline-flex; align-self: flex-start;
  width: auto; height: auto; background: transparent; color: var(--icon-fg);
}
.pkg--highlight .pkg__icon { background: transparent; color: var(--accent-deep); }
.pkg__code {
  font-family: var(--font-label); font-size: .76rem; font-weight: 400;
  letter-spacing: .2em; text-transform: uppercase; color: var(--ink-4);
}
.pkg__name { font-size: var(--step-1); line-height: 1.3; }
.pkg__price {
  display: flex; align-items: baseline; gap: .4rem; flex-wrap: wrap;
  padding-block: .5rem; border-bottom: var(--border-w) solid var(--line-2);
}
.pkg__price b {
  font-family: var(--font-display); font-size: var(--step-2);
  font-weight: 700; letter-spacing: var(--ls-heading); color: var(--ink);
}
.pkg__price small { font-size: var(--step--1); color: var(--ink-4); }
.pkg__summary { font-size: var(--step--1); color: var(--ink-3); line-height: var(--lh-body); }
.pkg__specs { display: grid; gap: .5rem; }
.pkg__spec {
  display: grid; grid-template-columns: auto 1fr; gap: .5rem .7rem;
  font-size: var(--step--1); align-items: start;
}
.pkg__spec dt { color: var(--ink-4); white-space: nowrap; }
.pkg__spec dd { color: var(--ink-2); font-weight: 500; }
.pkg__list { display: grid; gap: .55rem; font-size: var(--step--1); line-height: 1.6; }
.pkg__list li { display: grid; grid-template-columns: auto 1fr; gap: .6rem; align-items: start; color: var(--ink-2); }
.pkg__list .icon { color: var(--icon-fg); margin-top: .28em; }
.pkg__foot { margin-top: auto; padding-top: .8rem; }
.pkg__note { font-size: .78rem; color: var(--ink-4); margin-top: .7rem; text-align: center; }

/* --- ตารางเปรียบเทียบ --- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); border: var(--border-w) solid var(--line); }
table.compare { width: 100%; border-collapse: collapse; min-width: 680px; background: var(--card); }
table.compare th, table.compare td {
  padding: 1rem 1.1rem; text-align: left; vertical-align: top;
  border-bottom: var(--border-w) solid var(--line-2); font-size: var(--step--1);
}
table.compare thead th {
  background: var(--paper-2); font-family: var(--font-display); font-weight: 600;
  color: var(--ink); white-space: nowrap; position: sticky; top: 0;
}
table.compare tbody th { font-weight: 500; color: var(--ink-3); white-space: nowrap; }
table.compare tr:last-child td, table.compare tr:last-child th { border-bottom: 0; }
table.compare td b { font-family: var(--font-display); color: var(--ink); }

/* ------------------------------------------------------ 12. ACCORDION */
.accordion { border-top: var(--border-w) solid var(--line); }
.acc-item { border-bottom: var(--border-w) solid var(--line); }
.acc-btn {
  width: 100%; display: flex; align-items: flex-start; justify-content: space-between;
  gap: 1.2rem; padding: 1.25rem .2rem; text-align: left;
  font-family: var(--font-display); font-size: var(--step-1); font-weight: 600;
  color: var(--ink); line-height: 1.4;
  transition: color .3s var(--ease);
}
.acc-btn:hover { color: var(--accent-deep); }
.acc-btn .icon {
  flex: none; margin-top: .22em; color: var(--icon-fg);
  transition: transform .45s var(--ease-out);
}
.acc-btn[aria-expanded="true"] .icon { transform: rotate(180deg); }
.acc-panel {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .45s var(--ease-out);
}
.acc-panel[data-open="true"] { grid-template-rows: 1fr; }
.acc-panel > div { overflow: hidden; }
.acc-panel p {
  padding: 0 .2rem 1.4rem; color: var(--ink-3); max-width: 76ch;
  font-size: var(--step-0); line-height: var(--lh-body);
}

/* ----------------------------------------------------------- 13. FORM */
.form { display: grid; gap: 1.25rem; }
/* กรอบฟอร์ม: เว้นขอบด้านในให้พอดี ช่องกรอกไม่ชิดขอบกรอบ */
.form--card {
  background: var(--card);
  border: var(--border-w) solid var(--line); border-radius: var(--radius-lg);
  padding: calc(var(--card-pad) * 1.35) var(--card-pad);
}
.form__intro { display: grid; gap: .4rem; margin-bottom: .3rem; }
.field { display: grid; gap: .5rem; }
.field label {
  font-family: var(--font-display); font-size: var(--step--1);
  font-weight: 600; color: var(--ink);
}
.field label .req { color: #D9534F; }
.field input, .field textarea, .field select {
  width: 100%; padding: .95rem 1.15rem;
  background: var(--paper); color: var(--ink);
  border: var(--border-w) solid var(--line); border-radius: var(--radius-sm);
  font-size: var(--step-0); line-height: 1.5;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background-color .3s var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; padding-block: 1rem; }
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B6868' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1.15rem center; padding-right: 2.8rem;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent-deep);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 45%, transparent);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-4); }
.field__hint { font-size: .78rem; color: var(--ink-4); }
.field--error input, .field--error textarea, .field--error select { border-color: #D9534F; }
.field__error { font-size: .78rem; color: #D9534F; }
.form__row { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.form__consent { display: grid; grid-template-columns: auto 1fr; gap: .7rem; align-items: start; font-size: .82rem; color: var(--ink-3); line-height: 1.6; }
.form__consent input { width: 18px; height: 18px; margin-top: .2em; accent-color: var(--accent-deep); }
.form__status { padding: 1rem 1.2rem; border-radius: var(--radius-sm); font-size: var(--step--1); display: none; }
.form__status[data-state="ok"] { display: block; background: #EAF6EC; color: #1F6B33; border: var(--border-w) solid #BFE3C7; }
.form__status[data-state="error"] { display: block; background: #FDECEA; color: #922; border: var(--border-w) solid #F5C6C0; }

/* --------------------------------------------------------- 14. FOOTER */
.footer {
  background: var(--footer-bg); color: var(--footer-fg);
  padding-block: clamp(3rem, 2rem + 3vw, 5rem) 0;
  text-align: var(--footer-align);
}
.footer__brand, .footer__social, .footer__contact li { justify-content: var(--footer-items); }
.footer a { transition: color .25s var(--ease); }
.footer a:hover { color: var(--accent); }
.footer__grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  padding-bottom: 3rem;
}
.footer__brand { display: flex; align-items: center; gap: .8rem; margin-bottom: 1.1rem; }
.footer__brand img { width: 52px; }
.footer__brand strong { font-family: var(--font-display); color: var(--footer-fg-strong); font-size: 1.05rem; letter-spacing: .05em; display: block; line-height: 1.2; }
.footer__brand small { font-size: .6rem; letter-spacing: .2em; color: var(--footer-fg); }
.footer h4 {
  color: var(--footer-fg-strong); font-family: var(--font-label); font-size: .84rem; letter-spacing: .2em;
  text-transform: uppercase; margin-bottom: 1.2rem; font-weight: 400;
}
.footer ul { display: grid; gap: .65rem; font-size: var(--step--1); }
.footer__contact li { display: grid; grid-template-columns: auto 1fr; gap: .7rem; align-items: start; }
.footer__contact .icon { color: var(--footer-fg-strong); margin-top: .2em; }
.footer__tag {
  display: inline-block; margin-left: .5em; padding: .1em .55em;
  border: var(--border-w) solid var(--footer-line); border-radius: var(--radius-sm);
  font-style: normal; font-size: .64rem; letter-spacing: .1em; color: var(--footer-fg);
}
.footer__social { display: flex; gap: .55rem; flex-wrap: wrap; margin-top: 1.2rem; }
.social-btn {
  width: var(--icon-social); height: var(--icon-social); display: grid; place-items: center;
  border: var(--border-w) solid var(--footer-line); border-radius: var(--radius-sm);
  color: var(--footer-fg-strong);
  transition: background-color .35s var(--ease), color .35s var(--ease),
              border-color .35s var(--ease), transform .4s var(--ease-out);
}
.social-btn:hover { background: var(--accent); color: var(--btn-hov-fg); border-color: var(--accent); transform: translateY(-3px); }
.footer__bottom {
  border-top: var(--border-w) solid var(--footer-line); padding-block: 1.5rem;
  display: flex; flex-wrap: wrap; gap: .8rem 1.5rem; align-items: center;
  justify-content: space-between; font-size: .8rem;
}
.footer__bottom a { color: var(--footer-fg); }

/* --- แถบชวนติดต่อ --- */
.cta-band {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--band); color: var(--band-fg);
  padding-block: calc(clamp(2.5rem, 1.5rem + 4vw, 5rem) * var(--sc-section));
  text-align: var(--band-align);
}
.cta-band__inner {
  display: grid; gap: 1.6rem 3rem; align-items: center;
  grid-template-columns: minmax(0, 1fr);
  justify-items: var(--band-items);
}
@media (min-width: 900px) {
  .cta-band__inner { grid-template-columns: minmax(0, 1fr) auto; justify-items: stretch; }
}
.cta-band h2 { font-size: var(--step-3); letter-spacing: var(--ls-heading); color: var(--band-fg); }
.cta-band p { color: color-mix(in srgb, var(--band-fg) 78%, transparent); margin-top: .6rem; font-size: var(--step-1); font-weight: 300; }
.cta-band .row { justify-content: var(--band-items); }
/* ปุ่มบนแถบนี้: พื้นเป็นสีของกรอบตามที่ลูกค้ากำหนด */
.cta-band .btn { --btn-bg: var(--band-box); --btn-fg: var(--band-fg); --btn-bd: var(--band-fg); }
.cta-band .btn::before { background: var(--band-fg); }
.cta-band .btn:hover { color: var(--band-box); border-color: var(--band-fg); }
.cta-band .btn--ghost {
  --btn-bg: var(--band-box); --btn-fg: var(--band-fg);
  --btn-bd: color-mix(in srgb, var(--band-fg) 34%, transparent);
}
.cta-band .btn--ghost::before { background: var(--band-fg); }
.cta-band .btn--ghost:hover { color: var(--band-box); border-color: var(--band-fg); }

/* --- ปุ่มลอยติดต่อ --- */
.float-cta {
  position: fixed;
  right: var(--float-right); left: var(--float-left); bottom: var(--float-bottom);
  z-index: 90;
  display: flex; flex-direction: column; align-items: center; gap: .55rem;
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity .4s var(--ease), transform .5s var(--ease-out);
}
.float-cta[data-show="true"] { opacity: 1; transform: none; pointer-events: auto; }

/* ช่องทางติดต่อที่กางออกมาเมื่อกดปุ่มหลัก */
.float-cta__items {
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  visibility: hidden;
}
.float-cta[data-open="true"] .float-cta__items { visibility: visible; }
.float-cta__items > * {
  opacity: 0; transform: translateY(14px) scale(.85);
  transition: opacity .28s var(--ease), transform .34s var(--ease-out);
}
.float-cta[data-open="true"] .float-cta__items > * { opacity: 1; transform: none; }
.float-cta[data-open="true"] .float-cta__items > *:nth-child(1) { transition-delay: .04s; }
.float-cta[data-open="true"] .float-cta__items > *:nth-child(2) { transition-delay: .09s; }
.float-cta[data-open="true"] .float-cta__items > *:nth-child(3) { transition-delay: .14s; }
.float-cta[data-open="true"] .float-cta__items > *:nth-child(4) { transition-delay: .19s; }
.float-cta[data-open="true"] .float-cta__items > *:nth-child(5) { transition-delay: .24s; }

.float-btn {
  position: relative;
  width: var(--icon-float); height: var(--icon-float);
  display: grid; place-items: center;
  border-radius: var(--radius-sm); background: var(--float-bg); color: var(--float-fg);
  box-shadow: var(--shadow-3);
  transition: transform .35s var(--ease-out), background-color .3s var(--ease), color .3s var(--ease);
}
.float-btn:hover { transform: scale(1.08); background: var(--accent); color: var(--btn-hov-fg); }
/* สีประจำช่องทาง — จำได้ทันทีว่าปุ่มไหนคืออะไร */
.float-btn--line     { background: #06C755; color: #fff; }
.float-btn--line:hover     { background: #05A648; color: #fff; }
.float-btn--facebook { background: #1877F2; color: #fff; }
.float-btn--facebook:hover { background: #1461C8; color: #fff; }
.float-btn--tiktok   { background: #111; color: #fff; }
.float-btn--tiktok:hover   { background: #000; color: #fff; }
.float-btn--call     { background: var(--accent); color: var(--btn-hov-fg); }
.float-btn--call:hover     { background: var(--accent-deep); color: var(--paper); }
.float-btn--office   { background: var(--ink-2); color: var(--paper); }
.float-btn--office:hover   { background: var(--accent); color: var(--btn-hov-fg); }

/* ปุ่มหลัก: หมุนเป็นกากบาทเมื่อกางออก */
.float-toggle__icons { display: grid; place-items: center; }
.float-toggle__icons .icon { grid-area: 1 / 1; transition: opacity .25s var(--ease), transform .35s var(--ease-out); }
.float-toggle__icons .icon:last-child { opacity: 0; transform: rotate(-90deg); }
.float-cta[data-open="true"] .float-toggle__icons .icon:first-child { opacity: 0; transform: rotate(90deg); }
.float-cta[data-open="true"] .float-toggle__icons .icon:last-child { opacity: 1; transform: none; }

.float-btn__tip {
  position: absolute; right: calc(100% + .55rem); top: 50%; transform: translate(6px, -50%);
  padding: .35em .7em; border-radius: var(--radius-sm); white-space: nowrap;
  background: var(--ink); color: var(--paper);
  font-family: var(--font-display); font-size: .68rem; font-weight: 600; letter-spacing: .06em;
  opacity: 0; pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease-out);
}
/* ปุ่มลอยฝั่งซ้าย: ป้ายกำกับต้องโผล่ทางขวาแทน */
.float-cta[data-side="left"] .float-btn__tip {
  right: auto; left: calc(100% + .55rem); transform: translate(-6px, -50%);
}
.float-btn:hover .float-btn__tip, .float-btn:focus-visible .float-btn__tip { opacity: 1; transform: translate(0, -50%); }

/* --------------------------------------------------- 15. MISC PIECES */
.chip-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  display: inline-flex; align-items: center; gap: .45em;
  padding: .55em 1.1em; border-radius: var(--radius-sm);
  border: var(--border-w) solid var(--line); background: var(--card);
  font-size: var(--step--1); font-weight: 500; color: var(--ink-2);
  transition: all .3s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip[aria-current="true"], .chip.is-active {
  background: var(--ink); border-color: var(--ink); color: var(--paper);
}
.chip__n { font-size: .72em; opacity: .6; }

.marquee { overflow: hidden; position: relative; padding-block: 1.1rem; border-block: var(--border-w) solid var(--line); }
.marquee__track { display: flex; gap: 3rem; width: max-content; animation: slide 38s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
.marquee__item {
  display: inline-flex; align-items: center; gap: .8rem;
  font-family: var(--font-display); font-size: var(--step-1); font-weight: 500;
  color: var(--ink-4); white-space: nowrap;
}
.marquee__item .icon { color: var(--icon-fg); }
.section--dark .marquee { border-color: var(--line-dark); }

.quote-card {
  display: flex; flex-direction: column; gap: 1rem;
  padding: var(--card-pad);
  background: var(--card); border-radius: var(--radius-lg);
  border: var(--border-w) solid var(--line); height: 100%;
  text-align: var(--card-align); align-items: var(--card-items);
}
.quote-card .icon-quote { color: var(--icon-fg); }
.quote-card blockquote { font-size: var(--step-1); line-height: 1.6; color: var(--ink); font-weight: 300; }
.quote-card figcaption { margin-top: auto; padding-top: .8rem; display: flex; align-items: center; gap: .8rem; }
.quote-card figcaption b { display: block; font-family: var(--font-display); color: var(--ink); font-size: .95rem; }
.quote-card figcaption span { font-size: .8rem; color: var(--ink-4); }

.split {
  display: grid; gap: clamp(1.8rem, 1.2rem + 3vw, 4.5rem);
  grid-template-columns: minmax(0, 1fr); align-items: center;
}
@media (min-width: 900px) {
  .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .split--wide-left { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); }
  .split--wide-right { grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); }
  .split--reverse > *:first-child { order: 2; }
}

.prose { max-width: 72ch; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: var(--step-2); margin-top: 2.2em; }
.prose h3 { font-size: var(--step-1); margin-top: 1.8em; }
.prose p, .prose li { color: var(--ink-2); line-height: calc(var(--lh-body) + .1); }
.prose ul { display: grid; gap: .6em; }
.prose ul li { display: grid; grid-template-columns: auto 1fr; gap: .7em; }
.prose ul li::before {
  content: ''; width: 5px; height: 5px; border-radius: var(--radius-sm);
  background: var(--accent-deep); margin-top: .72em;
}
.prose a { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--ink); font-weight: 600; }

.meta-list { display: grid; gap: 0; }
.meta-list > div {
  display: grid; grid-template-columns: minmax(96px, auto) 1fr; gap: .5rem 1.4rem;
  padding: .82rem 0; border-bottom: var(--border-w) solid var(--line);
  font-size: var(--step--1);
}
.meta-list dt { color: var(--ink-4); }
.meta-list dd { color: var(--ink); font-weight: 500; }
.section--dark .meta-list > div { border-color: var(--line-dark); }
.section--dark .meta-list dd { color: var(--on-dark-h); }

.pager { display: grid; gap: 1rem; grid-template-columns: 1fr; padding-block: 2rem; border-top: var(--border-w) solid var(--line); }
@media (min-width: 700px) { .pager { grid-template-columns: 1fr 1fr; } }
.pager a { display: flex; align-items: center; gap: .9rem; padding: 1.1rem; border-radius: var(--radius); transition: background-color .35s var(--ease); }
.pager a:hover { background: var(--paper-2); }
.pager a:last-child { justify-content: flex-end; text-align: right; }
.pager small { display: block; font-family: var(--font-label); font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-4); }
.pager b { font-family: var(--font-display); font-size: var(--step-0); color: var(--ink); font-weight: 600; }

.empty {
  padding: clamp(2.5rem, 2rem + 3vw, 5rem) 1.5rem; text-align: center;
  border: var(--border-w) dashed var(--line); border-radius: var(--radius); color: var(--ink-4);
  display: grid; gap: .8rem; justify-items: center;
}

/* --------------------------------------------------- 16. LIGHTBOX */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(12,11,11,.96);
  display: grid; place-items: center; padding: clamp(1rem, 3vw, 3rem);
  opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s;
}
.lightbox[data-open="true"] { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 100%; max-height: 86vh; width: auto; height: auto;
  object-fit: contain; border-radius: 0;
  transform: scale(.96); transition: transform .45s var(--ease-out);
}
.lightbox[data-open="true"] img { transform: none; }
.lightbox__cap {
  position: absolute; left: 0; right: 0; bottom: 1.2rem; text-align: center;
  color: var(--hero-fg); font-size: var(--step--1); padding-inline: 4rem;
}
.lightbox__close, .lightbox__nav {
  position: absolute; width: 48px; height: 48px; display: grid; place-items: center;
  border-radius: 0; color: #fff; background: rgba(255,255,255,.1);
  transition: background-color .3s var(--ease), transform .3s var(--ease-out);
}
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255,255,255,.22); transform: scale(1.06); }
.lightbox__close { top: 1.2rem; right: 1.2rem; }
.lightbox__nav--prev { left: 1.2rem; top: 50%; margin-top: -24px; }
.lightbox__nav--next { right: 1.2rem; top: 50%; margin-top: -24px; }

/* --------------------------------------------- 17. SCROLL ANIMATIONS */
html.js [data-reveal] {
  opacity: 0; transform: translateY(26px);
  transition: opacity .85s var(--ease-out), transform .95s var(--ease-out);
  transition-delay: var(--d, 0ms);
}
html.js [data-reveal].is-in { opacity: 1; transform: none; }
html.js [data-reveal="left"]  { transform: translateX(-30px); }
html.js [data-reveal="right"] { transform: translateX(30px); }
html.js [data-reveal="scale"] { transform: scale(.94); }
/* หมายเหตุ: clip-path ต้องอยู่บนลูก ไม่ใช่บนตัวที่ถูกสังเกต
   เพราะถ้าตัวมันเองถูก clip จนไม่เหลือพื้นที่ IntersectionObserver จะไม่มีวันมองเห็น */
html.js [data-reveal="clip"], html.js [data-reveal="mask"] { opacity: 1; transform: none; }
html.js [data-reveal="clip"] > * {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.1s var(--ease-out); transition-delay: var(--d, 0ms);
}
html.js [data-reveal="clip"].is-in > * { clip-path: inset(0 0 0 0); }
html.js [data-reveal="mask"] > * {
  clip-path: inset(102% 0 0 0);
  transition: clip-path 1.15s var(--ease-out); transition-delay: var(--d, 0ms);
}
html.js [data-reveal="mask"].is-in > * { clip-path: inset(0 0 0 0); }

.split-lines > span { display: block; overflow: hidden; }
html.js .split-lines > span > span {
  display: block; transform: translateY(105%);
  transition: transform 1s var(--ease-out); transition-delay: var(--d, 0ms);
}
html.js .split-lines.is-in > span > span { transform: none; }

.progress-bar {
  position: fixed; inset: 0 0 auto; height: 2.5px; z-index: 101;
  background: var(--accent); transform-origin: left; transform: scaleX(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .split-lines > span > span { transform: none !important; }
  .hero__slide img { transform: none !important; }
}

/* ------------------------------------------------------ 18. UTILITIES */
/* กล่องข้อความเปล่า ๆ ที่ต้องคุมสีพื้นและเส้นขอบจากหลังบ้านได้ */
.box {
  background: var(--card); border: var(--border-w) solid var(--line);
  border-radius: var(--radius-lg); padding: var(--card-pad);
  text-align: var(--card-align);
}
.section--dark .box { background: var(--night-2); border-color: var(--line-dark); }

.stack   { display: grid; gap: 1rem; align-content: start; }
.stack-2 { display: grid; gap: 1.6rem; align-content: start; }
.stack-3 { display: grid; gap: 2.4rem; align-content: start; }
.row     { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; }
.row-tight { display: flex; align-items: center; gap: .45rem; flex-wrap: wrap; }
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }
.text-center { text-align: center; }
.center-x { margin-inline: auto; }
.hide-sm { display: none; }
@media (min-width: 640px) { .hide-sm { display: revert; } }
.full-bleed { width: 100vw; margin-left: 50%; transform: translateX(-50%); }

/* --------------------------------------------------- 19. หน้าต่างซ้อน
   ใช้กับนโยบายความเป็นส่วนตัว — เปิดอ่านได้ทุกหน้าโดยไม่ต้องมีหน้าแยก
   ------------------------------------------------------------------- */
.modal {
  position: fixed; inset: 0; z-index: 210;
  display: grid; place-items: center; padding: clamp(1rem, 4vw, 3rem);
  opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.modal[data-open="true"] { opacity: 1; visibility: visible; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(12,11,11,.62); }
.modal__panel {
  position: relative; z-index: 1;
  width: min(100%, 680px); max-height: min(84vh, 760px);
  display: flex; flex-direction: column;
  background: var(--card); color: var(--ink-2);
  border: var(--border-w) solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
  transform: translateY(14px) scale(.985);
  transition: transform .38s var(--ease-out);
}
.modal[data-open="true"] .modal__panel { transform: none; }
.modal__head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
  padding: var(--card-pad) var(--card-pad) .9rem;
  border-bottom: var(--border-w) solid var(--line-2);
}
.modal__head h2 { font-size: var(--step-2); line-height: 1.25; }
.modal__close {
  flex: none; width: 38px; height: 38px; display: grid; place-items: center;
  border: var(--border-w) solid var(--line); border-radius: var(--radius-sm);
  color: var(--ink-3);
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.modal__close:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.modal__body {
  padding: var(--card-pad); overflow-y: auto; -webkit-overflow-scrolling: touch;
  font-size: var(--step--1);
}
/* ในหน้าต่างซ้อน หัวข้อย่อยไม่ต้องใหญ่เท่าหัวข้อในหน้าเว็บ */
.modal__body .prose { max-width: none; }
.modal__body .prose h2 { font-size: var(--step-0); margin-top: 1.6em; }
.modal__body .prose h2:first-child { margin-top: 0; }
.modal__body .prose p, .modal__body .prose li { font-size: var(--step--1); }
.modal__foot {
  padding: .9rem var(--card-pad) var(--card-pad);
  border-top: var(--border-w) solid var(--line-2);
  display: flex; justify-content: flex-end;
}
body.is-modal-open { overflow: hidden; }