/* ══════════════════════════════════════════════════════════════════
   FITRAHOUSE — Core Stylesheet  v2
   Palette:  Stone Dust · Old Tree Bark · Woody · Sunset / Copper · Moss Green
   Type:     Shippori Mincho (display) · Noto Sans (body / GT Walsheim proxy)
   Ethos:    Every animation exhales. Nothing snaps.
══════════════════════════════════════════════════════════════════ */

/* ─── Tokens ──────────────────────────────────────────────────── */
:root {
  --c-stone:       #F0EAE0;      /* Stone Dust — primary bg */
  --c-bark:        #221C14;      /* Old Tree Bark — primary text */
  --c-bark-mid:    #3E3226;      /* softer bark for body copy */
  --c-bark-pale:   #7A6A58;      /* muted, captions */
  --c-woody:       #8A6848;      /* Woody — warm mid brown */
  --c-copper:      #A8621E;      /* Sunset / Copper — CTA, accent */
  --c-copper-hi:   #BF7430;      /* hover state */
  --c-moss:        #28342A;      /* Moss Green — dark sections */
  --c-moss-hi:     #344438;

  /* Element result colours */
  --c-earth:       #C8A878;      /* Desert Sand */
  --c-fire:        #B85A38;      /* Terracotta */
  --c-water:       #2E5C68;      /* Deep Teal */
  --c-air:         #7A9178;      /* Warm Sage */

  --f-serif:  'Shippori Mincho', Georgia, serif;
  --f-sans:   'Noto Sans', 'Helvetica Neue', Arial, sans-serif;

  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
}

/* ─── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--c-stone);
  color: var(--c-bark);
  font-family: var(--f-sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input  { font-family: inherit; }

/* ─── Page transition veil ────────────────────────────────────── */
.transition-veil {
  position: fixed;
  inset: 0;
  background: var(--c-bark);
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.75s var(--ease-in-out);
}
.transition-veil.is-covering  { opacity: 1; pointer-events: all; }
.transition-veil.is-revealing { opacity: 1; }
.transition-veil.is-clear     { opacity: 0; }

/* ─── Shared reveal animation ─────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity  1.1s var(--ease-out),
    transform 1.1s var(--ease-out);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Logo ────────────────────────────────────────────────────── */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: var(--c-stone);
}
.logo__word {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--c-bark);
  line-height: 1;
}

/* ─── Copper button ───────────────────────────────────────────── */
.btn-copper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2.6rem;
  border: 1px solid var(--c-copper);
  color: var(--c-copper);
  background: transparent;
  font-family: var(--f-sans);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition:
    background 0.5s var(--ease-out),
    color      0.5s var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
}
.btn-copper:hover {
  background: var(--c-copper);
  color: var(--c-stone);
}

/* ══════════════════════════════════════════════════════════════════
   S1 — HERO
══════════════════════════════════════════════════════════════════ */
.s-hero {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 640px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--c-stone);
}

/* Header — top left, fixed within hero */
.s-hero__header {
  position: relative;
  z-index: 10;
  padding: clamp(1.8rem, 4vw, 3rem) clamp(1.8rem, 5vw, 5rem);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 1.2s 0.2s var(--ease-out), transform 1.2s 0.2s var(--ease-out);
}
.s-hero__header.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Body — centred */
.s-hero__body {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 clamp(1.8rem, 6vw, 8rem);
  gap: 2rem;
}

.s-hero__headline {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: clamp(3.2rem, 7.5vw, 7.2rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--c-bark);
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.3s 0.5s var(--ease-out), transform 1.3s 0.5s var(--ease-out);
}
.s-hero__headline.is-visible { opacity: 1; transform: translateY(0); }

.s-hero__sub {
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: clamp(0.9rem, 1.6vw, 1.05rem);
  letter-spacing: 0.04em;
  color: var(--c-bark-mid);
  max-width: 420px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s 0.85s var(--ease-out), transform 1.2s 0.85s var(--ease-out);
}
.s-hero__sub.is-visible { opacity: 1; transform: translateY(0); }

.s-hero__body .btn-copper {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 1.1s 1.15s var(--ease-out), transform 1.1s 1.15s var(--ease-out),
              background 0.5s var(--ease-out), color 0.5s var(--ease-out);
}
.s-hero__body .btn-copper.is-visible { opacity: 1; transform: translateY(0); }

.s-hero__coming {
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-bark-pale);
  opacity: 0;
  transition: opacity 1.1s 1.4s var(--ease-out);
}
.s-hero__coming.is-visible { opacity: 1; }

/* ══════════════════════════════════════════════════════════════════
   S2 — PILLARS
══════════════════════════════════════════════════════════════════ */
.s-pillars {
  background: var(--c-stone);
  padding: clamp(6rem, 12vw, 11rem) clamp(2rem, 6vw, 8rem);
}

.s-pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.pillar {
  padding: 0 clamp(1.5rem, 3vw, 4rem);
  border-left: 1px solid rgba(34, 28, 20, 0.1);
}
.pillar:first-child { border-left: none; padding-left: 0; }
.pillar:last-child  { padding-right: 0; }

.pillar__word {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  letter-spacing: -0.01em;
  color: var(--c-bark);
  margin-bottom: 0.9rem;
  line-height: 1.1;
}

.pillar__desc {
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: clamp(0.82rem, 1.2vw, 0.92rem);
  color: var(--c-bark-pale);
  letter-spacing: 0.03em;
  line-height: 1.65;
}

/* ══════════════════════════════════════════════════════════════════
   S3 — PROSE (with full-bleed texture parallax)
══════════════════════════════════════════════════════════════════ */
.s-prose {
  position: relative;
  overflow: hidden;
  padding: clamp(8rem, 14vw, 13rem) clamp(2rem, 10vw, 14rem);
}

.s-prose__parallax {
  position: absolute;
  inset: -22% 0;
  z-index: 0;
  will-change: transform;
}
.s-prose__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: saturate(0.7) brightness(0.55);
}
.s-prose__veil {
  position: absolute;
  inset: 0;
  background: rgba(34, 28, 20, 0.52);
}

.s-prose__inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.s-prose__para {
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: clamp(1rem, 1.7vw, 1.15rem);
  line-height: 1.95;
  color: rgba(240, 234, 224, 0.85);
  letter-spacing: 0.01em;
  margin-bottom: 2.4rem;
}
.s-prose__para:last-child { margin-bottom: 0; }

/* ══════════════════════════════════════════════════════════════════
   S4 — ASSESSMENT CTA
══════════════════════════════════════════════════════════════════ */
.s-assess {
  background: var(--c-stone);
  padding: clamp(7rem, 13vw, 11rem) 2rem;
  text-align: center;
}

.s-assess__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
}

.s-assess__heading {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
  letter-spacing: -0.015em;
  color: var(--c-bark);
  line-height: 1.15;
}

.s-assess__link {
  font-family: var(--f-sans);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-copper);
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  transition: color 0.4s var(--ease-out), opacity 0.4s;
  display: inline-block;
}
.s-assess__link:hover { color: var(--c-copper-hi); }

/* ══════════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════════ */
.s-footer {
  background: var(--c-moss);
  padding: clamp(4rem, 8vw, 7rem) clamp(2rem, 6vw, 6rem);
}

.s-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.4rem;
}

.s-footer .btn-copper {
  border-color: rgba(240, 234, 224, 0.35);
  color: rgba(240, 234, 224, 0.55);
}
.s-footer .btn-copper:hover {
  background: rgba(240, 234, 224, 0.1);
  color: rgba(240, 234, 224, 0.8);
  border-color: rgba(240, 234, 224, 0.55);
}

.s-footer__instagram {
  color: rgba(240, 234, 224, 0.35);
  transition: color 0.4s var(--ease-out);
  display: flex;
  align-items: center;
}
.s-footer__instagram svg { width: 20px; height: 20px; }
.s-footer__instagram:hover { color: rgba(240, 234, 224, 0.7); }

.s-footer__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  color: rgba(240, 234, 224, 0.2);
}
.s-footer__mark { width: 36px; height: 36px; }
.s-footer__wordmark {
  font-family: var(--f-serif);
  font-size: 0.64rem;
  letter-spacing: 0.38em;
  text-transform: uppercase;
}


/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════════ */
@media (max-width: 860px) {
  /* Pillars — stack vertically */
  .s-pillars__grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .pillar {
    border-left: none;
    border-top: 1px solid rgba(34, 28, 20, 0.1);
    padding: 2.4rem 0 0;
    margin-bottom: 2.4rem;
  }
  .pillar:first-child { border-top: none; padding-top: 0; }
  .pillar:last-child  { margin-bottom: 0; }

  .s-pillars {
    padding: clamp(4rem, 10vw, 7rem) clamp(1.6rem, 5vw, 3rem);
  }

  /* Prose section — disable parallax on mobile (causes jank) */
  .s-prose__parallax {
    inset: 0;
    will-change: auto;
  }
  .s-prose {
    padding: 5rem 1.8rem;
  }

  /* Assessment CTA */
  .s-assess {
    padding: 5rem 1.8rem;
  }
}

@media (max-width: 640px) {
  /* Hero */
  .s-hero { min-height: 100svh; }
  .s-hero__header {
    padding: 1.6rem 1.6rem;
  }
  .s-hero__body {
    padding: 0 1.6rem;
    gap: 1.6rem;
  }
  .s-hero__headline { font-size: clamp(2.4rem, 10vw, 3.2rem); }
  .s-hero__sub { font-size: 0.9rem; }
  .s-hero__coming { font-size: 0.65rem; }

  /* Logo */
  .logo__word { font-size: 0.72rem; letter-spacing: 0.28em; }

  /* Button — full width on small screens */
  .s-hero__body .btn-copper {
    width: 100%;
    max-width: 280px;
  }

  /* Pillars */
  .pillar__word { font-size: 1.7rem; }

  /* Footer */
  .s-footer {
    padding: 3.5rem 1.6rem;
  }
  .s-footer__inner { gap: 2rem; }
  .s-footer .btn-copper { width: 100%; max-width: 240px; }

  /* Assessment section */
  .s-assess__heading { font-size: 1.5rem; }
}

@media (max-width: 400px) {
  .s-hero__headline { font-size: 2.2rem; }
  .s-hero__body { gap: 1.4rem; }
}