/* =========================================================
   Best Better Life — full website (Home)
   Direction: LIGHT luxury · phoenix ember/gold · bold-friendly
   ========================================================= */

:root {
  /* ---- palette (warm paper + phoenix ember/gold + obsidian) ---- */
  --paper:     oklch(97.6% 0.012 82);
  --paper-2:   oklch(95.2% 0.016 78);
  --surface:   oklch(99.6% 0.004 85);
  --ink:       oklch(24% 0.022 52);
  --ink-soft:  oklch(40% 0.02 54);
  --muted:     oklch(53% 0.018 56);
  --line:      oklch(87% 0.018 72);

  --ember:      oklch(62% 0.215 40);
  --ember-deep: oklch(53% 0.20 36);
  --gold:       oklch(74% 0.135 78);
  --gold-deep:  oklch(64% 0.13 72);

  --dark:    oklch(21% 0.022 50);
  --dark-2:  oklch(26% 0.026 52);
  --on-dark: oklch(95% 0.012 82);

  --grad-ember: linear-gradient(120deg, var(--ember-deep), var(--ember) 55%, var(--gold));
  --grad-gold:  linear-gradient(120deg, var(--gold-deep), var(--gold));

  /* ---- type ---- */
  --font-display: "Anuphan", system-ui, sans-serif;
  --font-body:    "IBM Plex Sans Thai", system-ui, sans-serif;
  --font-serif:   "Noto Serif Thai", serif;

  --t-hero:  clamp(2.3rem, 1.3rem + 4.4vw, 4.2rem);
  --t-h2:    clamp(1.8rem, 1.2rem + 2.6vw, 3rem);
  --t-h3:    clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --t-base:  clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  --t-sm:    0.9rem;
  --t-xs:    0.78rem;

  /* ---- layout / shape / motion ---- */
  --content: 72rem;
  --pad:     clamp(1.1rem, 0.6rem + 2.5vw, 2rem);
  --sect:    clamp(3.5rem, 2.5rem + 4vw, 6rem);
  --radius:  1.25rem;
  --radius-sm: 0.8rem;
  --dur:     280ms;
  --ease:    cubic-bezier(0.22, 1, 0.36, 1);
  --shadow:  0 1px 2px oklch(40% 0.02 55 / 0.06), 0 12px 30px -18px oklch(40% 0.05 50 / 0.35);
  --shadow-lift: 0 2px 4px oklch(40% 0.02 55 / 0.08), 0 26px 50px -24px oklch(40% 0.08 45 / 0.45);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  font-size: var(--t-base);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.12; letter-spacing: -0.01em; }
strong { font-weight: 600; color: var(--ink); }

:focus-visible { outline: 2.5px solid var(--ember); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: absolute; left: 50%; top: -4rem; transform: translateX(-50%);
  background: var(--ember); color: #fff; padding: 0.5rem 1rem;
  border-radius: 0 0 0.6rem 0.6rem; font-weight: 600; z-index: 100;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 0; }

/* highlight helpers */
.hl { color: var(--ember); }
.hl--gold { color: var(--gold); }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.85rem 1.4rem; border-radius: 2rem;
  font-family: var(--font-display); font-weight: 600; font-size: var(--t-base);
  line-height: 1.1; white-space: nowrap;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), filter var(--dur) var(--ease);
  will-change: transform;
}
.btn__ic { width: 1.2rem; height: 1.2rem; display: inline-flex; }
.btn__ic svg { width: 100%; height: 100%; }
.btn--sm { padding: 0.65rem 1.1rem; font-size: var(--t-sm); }
.btn--lg { padding: 1.05rem 1.8rem; font-size: 1.12rem; }
.btn--primary { background: var(--grad-ember); color: #fff; box-shadow: 0 12px 28px -12px var(--ember); }
.btn--primary:hover { transform: translateY(-2px); filter: brightness(1.04) saturate(1.05); box-shadow: 0 18px 36px -12px var(--ember); }
.btn--primary:active { transform: translateY(0); }
.btn--gold { background: var(--grad-gold); color: var(--dark); }
.btn--gold:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn--ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn--ghost:hover { border-color: var(--ember); color: var(--ember); transform: translateY(-2px); }

/* ---------------- eyebrow ---------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-serif); font-size: var(--t-sm); font-weight: 600;
  color: var(--ember-deep); margin-bottom: 0.9rem;
}
.eyebrow--center { justify-content: center; }
.eyebrow--on-dark { color: var(--gold); }
.eyebrow__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--grad-ember); }

/* ---------------- header / nav ---------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: oklch(97.6% 0.012 82 / 0.82);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--content); margin-inline: auto;
  padding: 0.75rem var(--pad);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.55rem; }
.brand__mark { width: 2rem; height: 2rem; display: grid; place-items: center;
  background: var(--grad-ember); border-radius: 0.6rem; padding: 0.32rem; }
.brand__mark svg { width: 100%; height: 100%; fill: #fff; }
.brand__text { font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; letter-spacing: -0.01em; }
.brand__text em { font-style: normal; color: var(--ember); }

.nav__links { display: flex; align-items: center; gap: 0.4rem; }
.nav__links > a:not(.nav__cta) {
  padding: 0.45rem 0.7rem; border-radius: 0.6rem; font-size: var(--t-sm); font-weight: 500;
  white-space: nowrap;
  color: var(--ink-soft); transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav__links > a:not(.nav__cta):hover { color: var(--ember); background: var(--paper-2); }
.nav__links > a.is-current { color: var(--ember); font-weight: 600; }
.nav__cta {
  margin-left: 0.4rem; padding: 0.55rem 1.05rem; border-radius: 2rem;
  background: var(--grad-ember); color: #fff; font-family: var(--font-display);
  font-weight: 600; font-size: var(--t-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  box-shadow: 0 8px 20px -10px var(--ember);
}
.nav__cta:hover { transform: translateY(-1px); box-shadow: 0 12px 24px -10px var(--ember); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 0.5rem; }
.nav__toggle span { width: 24px; height: 2.5px; background: var(--ink); border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------------- shared section ---------------- */
.section { max-width: var(--content); margin-inline: auto; padding: var(--sect) var(--pad); }
.section--tint { max-width: none; background: var(--paper-2); }
.section--tint > * { max-width: var(--content); margin-inline: auto; }
.section__head { text-align: center; max-width: 42rem; margin: 0 auto clamp(2rem, 1rem + 3vw, 3.2rem); }
.section__title { font-size: var(--t-h2); }
.section__lead { color: var(--muted); margin-top: 0.9rem; font-size: 1.05rem; }
.section__lead--dim { color: oklch(75% 0.015 80); }

/* ---------------- hero ---------------- */
.hero { max-width: var(--content); margin-inline: auto; padding: clamp(2.5rem, 1.5rem + 4vw, 5rem) var(--pad) clamp(2rem, 1rem + 3vw, 3.5rem); }
.hero__grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 1rem + 4vw, 4rem); align-items: center; }
.hero__title { font-size: var(--t-hero); margin: 0.3rem 0 1.1rem; }
.hero__sub { color: var(--muted); font-size: 1.1rem; max-width: 34rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1.6rem 0 1.8rem; }
.trust { display: flex; flex-wrap: wrap; gap: 1.4rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.trust li { font-size: var(--t-sm); color: var(--muted); }
.trust strong { display: block; font-family: var(--font-display); font-size: 1.5rem; color: var(--ink); line-height: 1; }

.hero__visual { position: relative; }
.portrait {
  position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius);
  background:
    var(--portrait-img, radial-gradient(120% 120% at 70% 10%, oklch(70% 0.14 60 / 0.5), transparent 55%)),
    var(--grad-ember);
  background-size: cover; background-position: center;
  display: grid; place-items: center; box-shadow: var(--shadow-lift); overflow: hidden;
}
.portrait__mark { width: 42%; opacity: 0.92; }
.portrait__mark svg { width: 100%; height: 100%; fill: oklch(100% 0 0 / 0.9); }
:root[style*="--portrait-img"] .portrait__mark { display: none; }
.portrait__badge {
  position: absolute; bottom: -0.9rem; left: 50%; transform: translateX(-50%);
  background: var(--surface); color: var(--ink); font-family: var(--font-display); font-weight: 600;
  font-size: var(--t-sm); padding: 0.55rem 1.1rem; border-radius: 2rem;
  box-shadow: var(--shadow); white-space: nowrap; border: 1px solid var(--line);
}

/* ---------------- marquee ---------------- */
.marquee { overflow: hidden; background: var(--dark); padding: 0.85rem 0; }
.marquee__track {
  display: inline-flex; align-items: center; gap: 1.5rem; white-space: nowrap;
  animation: scroll-x 26s linear infinite; will-change: transform;
}
.marquee__track span { font-family: var(--font-display); font-weight: 600; color: var(--on-dark); font-size: 1.05rem; }
.marquee__track span:nth-child(even) { color: var(--gold); }
@keyframes scroll-x { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------- cards grids ---------------- */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }

.vcard {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem 1.6rem; box-shadow: var(--shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.vcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.vcard__ic {
  display: grid; place-items: center; width: 3.2rem; height: 3.2rem; font-size: 1.6rem;
  background: oklch(62% 0.215 40 / 0.1); border-radius: 0.9rem; margin-bottom: 1.1rem;
}
.vcard h3 { font-size: var(--t-h3); margin-bottom: 0.5rem; }
.vcard p { color: var(--muted); font-size: var(--t-sm); }
.vcard__link {
  display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 1.1rem;
  font-family: var(--font-display); font-weight: 600; font-size: var(--t-sm); color: var(--ember);
}
.vcard__link span { transition: transform var(--dur) var(--ease); }
.vcard:hover .vcard__link span { transform: translateX(4px); }
.vcard--feature { border-color: oklch(62% 0.215 40 / 0.4); background: linear-gradient(180deg, oklch(62% 0.215 40 / 0.05), var(--surface)); }

/* ---------------- story ---------------- */
.story__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 1rem + 4vw, 4rem); align-items: center; }
.polaroid {
  background: #fff; padding: 0.8rem 0.8rem 1.4rem; border-radius: 0.4rem; width: min(20rem, 80%);
  box-shadow: var(--shadow-lift); transform: rotate(-3deg); position: relative;
}
.polaroid::before {
  content: ""; position: absolute; top: -0.7rem; left: 50%; transform: translateX(-50%) rotate(-2deg);
  width: 5rem; height: 1.4rem; background: oklch(74% 0.135 78 / 0.5); border-radius: 2px;
}
.polaroid__img { display: block; aspect-ratio: 4 / 3; border-radius: 0.2rem;
  background: var(--story-img, var(--grad-ember)) center / cover no-repeat; }
.polaroid__cap { display: block; text-align: center; font-family: var(--font-serif); margin-top: 0.7rem; color: var(--ink-soft); }
.story__copy .section__title { text-align: left; margin-bottom: 1.1rem; }
.story__copy p { color: var(--muted); margin-bottom: 0.9rem; }
.story__copy .btn { margin-top: 0.6rem; }

/* ---------------- programs ---------------- */
.programs { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 1.2rem; }
.pcard {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem; box-shadow: var(--shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.pcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.pcard h3 { font-size: var(--t-h3); margin-bottom: 0.5rem; }
.pcard p { color: var(--muted); font-size: var(--t-sm); margin-bottom: 1rem; }
.pcard__link { font-family: var(--font-display); font-weight: 600; font-size: var(--t-sm); color: var(--ember); display: inline-flex; gap: 0.35rem; }
.pcard--hero {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  background: var(--grad-ember); color: #fff; border: 0;
}
.pcard--hero h3 { color: #fff; font-size: clamp(1.4rem, 1.1rem + 1.4vw, 2rem); }
.pcard--hero p { color: oklch(100% 0 0 / 0.9); }
.pcard__tag {
  align-self: flex-start; background: oklch(100% 0 0 / 0.22); color: #fff;
  font-size: var(--t-xs); font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 0.25rem 0.7rem; border-radius: 2rem; margin-bottom: 0.9rem;
}
.pcard--hero .btn--primary { background: #fff; color: var(--ember-deep); box-shadow: none; }
.pcard--hero .btn--primary:hover { filter: none; background: oklch(98% 0.01 80); }
.pcol { display: grid; gap: 1.2rem; }

/* ---------------- tools ---------------- */
.tcard {
  display: flex; align-items: center; gap: 1rem; padding: 1.3rem 1.4rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.tcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: oklch(62% 0.215 40 / 0.4); }
.tcard__ic { width: 3rem; height: 3rem; flex: 0 0 auto; display: grid; place-items: center; font-size: 1.5rem;
  background: var(--paper-2); border-radius: 0.8rem; }
.tcard h3 { font-size: var(--t-h3); }
.tcard p { color: var(--muted); font-size: var(--t-sm); }
.tcard__arrow { margin-left: auto; color: var(--ember); font-size: 1.2rem; transition: transform var(--dur) var(--ease); }
.tcard:hover .tcard__arrow { transform: translateX(4px); }

/* ---------------- content (dark) ---------------- */
.section--dark { max-width: none; background: var(--dark); color: var(--on-dark); }
.section--dark > * { max-width: var(--content); margin-inline: auto; }
.section--dark .section__title { color: var(--on-dark); }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.ccard {
  display: flex; flex-direction: column; gap: 0.4rem; justify-content: flex-end;
  aspect-ratio: 16 / 11; padding: 1.3rem; border-radius: var(--radius);
  background: linear-gradient(160deg, var(--dark-2), oklch(23% 0.03 45));
  border: 1px solid oklch(100% 0 0 / 0.08); position: relative; overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.ccard:hover { transform: translateY(-4px); border-color: oklch(74% 0.135 78 / 0.5); }
.ccard__play {
  position: absolute; top: 1.1rem; left: 1.1rem; width: 2.6rem; height: 2.6rem; border-radius: 50%;
  display: grid; place-items: center; background: var(--grad-ember); color: #fff; font-size: 0.9rem;
  padding-left: 2px;
}
.ccard__meta { font-size: var(--t-xs); color: var(--gold); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.ccard__title { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; }
.content-cta { text-align: center; margin-top: 2rem; }

/* ---------------- capture ---------------- */
.capture { max-width: none; padding: var(--sect) var(--pad); background: var(--paper-2); }
.capture__inner {
  max-width: var(--content); margin-inline: auto;
  background: var(--grad-ember); color: #fff; border-radius: calc(var(--radius) * 1.4);
  padding: clamp(2rem, 1.2rem + 3vw, 3.4rem);
  display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  box-shadow: 0 30px 60px -28px var(--ember); position: relative; overflow: hidden;
}
.capture__inner::after {
  content: ""; position: absolute; right: -6rem; top: -6rem; width: 16rem; height: 16rem;
  background: radial-gradient(circle, oklch(100% 0 0 / 0.18), transparent 65%); border-radius: 50%;
}
.capture__copy { position: relative; max-width: 36rem; }
.capture__copy h2 { font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.2rem); color: #fff; margin-bottom: 0.6rem; }
.capture__copy .hl { color: #fff; text-decoration: underline; text-decoration-color: oklch(100% 0 0 / 0.5); text-underline-offset: 4px; }
.capture__copy p { color: oklch(100% 0 0 / 0.92); font-size: 1.02rem; }
.capture .btn--primary { background: #fff; color: var(--ember-deep); position: relative; box-shadow: 0 14px 30px -12px oklch(20% 0.05 40 / 0.5); }
.capture .btn--primary:hover { filter: none; background: oklch(98% 0.01 80); }

/* ---------------- footer ---------------- */
.footer { background: var(--dark); color: var(--on-dark); padding: var(--sect) var(--pad) 2rem; }
.footer__top { max-width: var(--content); margin-inline: auto; display: grid; grid-template-columns: 1.1fr 1.4fr; gap: 3rem; }
.footer__brand .brand__text { color: var(--on-dark); }
.footer__brand .brand__text em { color: var(--gold); }
.footer__brand p { font-family: var(--font-serif); color: oklch(78% 0.02 80); margin: 1rem 0 1.3rem; font-size: var(--t-sm); line-height: 1.6; }
.footer__cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.footer__col h4 { font-size: var(--t-sm); color: var(--gold); margin-bottom: 0.8rem; }
.footer__col a { display: block; color: oklch(80% 0.015 80); font-size: var(--t-sm); padding: 0.28rem 0;
  transition: color var(--dur) var(--ease); }
.footer__col a:hover { color: #fff; }
.footer__bottom {
  max-width: var(--content); margin: 2.5rem auto 0; padding-top: 1.5rem;
  border-top: 1px solid oklch(100% 0 0 / 0.1); display: flex; flex-direction: column; gap: 0.6rem;
}
.footer__disclaim { font-size: var(--t-xs); color: oklch(68% 0.015 75); line-height: 1.6; }
.footer__copy { font-size: var(--t-xs); color: oklch(60% 0.015 70); }

/* ---------------- reveal on scroll ---------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------------- responsive ---------------- */
@media (max-width: 60rem) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 22rem; margin-inline: auto; order: -1; }
  .story__grid { grid-template-columns: 1fr; }
  .story__visual { display: grid; place-items: center; }
  .programs { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 60rem) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0.2rem;
    background: var(--surface); border-bottom: 1px solid var(--line);
    padding: 0.8rem var(--pad) 1.2rem; box-shadow: var(--shadow);
    clip-path: inset(0 0 100% 0); opacity: 0; pointer-events: none;
    transition: clip-path var(--dur) var(--ease), opacity var(--dur) var(--ease);
  }
  .nav__links.is-open { clip-path: inset(0 0 0 0); opacity: 1; pointer-events: auto; }
  .nav__links > a:not(.nav__cta) { padding: 0.7rem; }
  .nav__cta { margin: 0.4rem 0 0; text-align: center; }
  .cards-3, .cards-2, .content-grid { grid-template-columns: 1fr; }
  .capture__inner { flex-direction: column; align-items: flex-start; }
}

@media (min-width: 48rem) and (max-width: 60rem) {
  .cards-3 { grid-template-columns: 1fr 1fr; }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
  .btn:hover, .vcard:hover, .pcard:hover, .tcard:hover, .ccard:hover { transform: none; }
}