/* ═══════════════════════════════════════════════════════════
   HEYVOLU — Shared Styles v2
   Palette  : dark warm amber oklch(68% .22 55)
   Fonts    : Cormorant Garamond (display) + Syne (UI)
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,600;1,400;1,600;1,700&family=Syne:wght@400;600;700&display=swap');

/* ── Variables ── */
:root {
  --bg:      oklch(16% 0.026 55);
  --bg2:     oklch(20% 0.032 55);
  --bg3:     oklch(24% 0.038 55);
  --accent:  oklch(68% 0.22  55);
  --accent2: oklch(52% 0.18  55);
  --accent3: oklch(84% 0.14  55);
  --text:    oklch(93% 0.01  55);
  --text2:   oklch(65% 0.02  55);
  --text3:   oklch(40% 0.015 55);
  --border:  oklch(20% 0.025 55);

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px; --sp-10:128px;

  --text-xs:12px; --text-sm:14px; --text-base:16px; --text-lg:18px;
  --text-xl:20px; --text-2xl:24px; --text-3xl:30px; --text-4xl:36px;
  --text-5xl:48px; --text-6xl:60px;

  --radius-sm:8px; --radius-md:12px; --radius-lg:16px;
  --radius-xl:24px; --radius-pill:9999px;

  --ease-out:    cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
}
a, button, [role="button"] { min-height: 44px; cursor: pointer; }
img { display: block; max-width: 100%; }

/* ── Nav floating pill ── */
.nav {
  position: fixed;
  top: var(--sp-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  padding: 10px var(--sp-6);
  background: oklch(8% 0.015 55 / 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: top 300ms var(--ease-out), padding 300ms var(--ease-out),
              background 300ms var(--ease-out);
  white-space: nowrap;
}
.nav.scrolled {
  top: var(--sp-3);
  padding: 8px var(--sp-5);
  background: oklch(8% 0.015 55 / 0.94);
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 700;
  font-size: var(--text-2xl);
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -.01em;
  line-height: 1;
  min-height: unset;
}
.nav-links {
  display: flex;
  gap: var(--sp-5);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text2);
  text-decoration: none;
  transition: color 200ms var(--ease-out);
  display: flex;
  align-items: center;
  min-height: 44px;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta {
  padding: 10px var(--sp-5);
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
  min-height: unset;
}
.nav-cta:hover { transform: scale(1.04); box-shadow: 0 4px 20px oklch(68% .22 55 / .35); }
.nav-cta:active { transform: scale(0.97); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 14px var(--sp-7);
  border-radius: var(--radius-pill);
  font-family: 'Syne', sans-serif;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out),
              background 200ms var(--ease-out), color 200ms var(--ease-out);
  min-height: 48px;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 32px oklch(68% .22 55 / .35);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost {
  background: transparent;
  color: var(--text2);
  padding-left: 0;
}
.btn-ghost:hover { color: var(--accent); }

/* ── Label / tag ── */
.label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px var(--sp-3);
  background: oklch(68% .22 55 / .12);
  color: var(--accent3);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ── Section themes ── */
.theme-light {
  background: oklch(96% 0.010 75);
  --bg:     oklch(96% 0.010 75);
  --bg2:    oklch(91% 0.018 75);
  --bg3:    oklch(86% 0.025 75);
  --text:   oklch(10% 0.025 260);
  --text2:  oklch(38% 0.015 260);
  --text3:  oklch(58% 0.010 260);
  --border: oklch(84% 0.018 75);
  color: oklch(10% 0.025 260);
}
.theme-accent {
  background: oklch(73% 0.31 35);
  --bg:     oklch(73% 0.31 35);
  --text:   oklch(10% 0.025 260);
  --text2:  oklch(22% 0.06  35);
  --text3:  oklch(32% 0.08  35);
  --border: oklch(60% 0.24  35);
  --accent: oklch(10% 0.025 260);
  color: oklch(10% 0.025 260);
}

/* ── Section spacing ── */
section { position: relative; z-index: 1; padding: var(--sp-10) var(--sp-8); }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic; font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 6rem);
  line-height: .9; letter-spacing: -.02em;
  color: var(--text);
  margin-top: var(--sp-3);
}

/* ── Separator ── */
.sep { height: 0.5px; background: var(--border); }

/* ── Reveal animations ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-x {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.reveal-x.visible { opacity: 1; transform: translateX(0); }
.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ── Word-by-word manifesto ── */
.manifesto-word {
  display: inline-block;
  opacity: 0.15;
  transition: opacity 300ms var(--ease-out);
}
.manifesto-word.lit { opacity: 1; }

/* ── Cursor trail ── */
.cursor-dot {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  mix-blend-mode: screen;
  will-change: transform;
}

/* ── Editorial numbered list (process) ── */
.process-list { list-style: none; }
.process-item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--sp-6);
  align-items: baseline;
  padding: var(--sp-7) 0;
  border-top: 0.5px solid var(--border);
}
.process-item:last-child { border-bottom: 0.5px solid var(--border); }
.process-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
}
.process-title {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1.6rem, 2.8vw, 3rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: var(--sp-3);
}
.process-desc {
  font-size: var(--text-sm);
  color: var(--text2);
  max-width: 50ch;
  line-height: 1.7;
}

/* ── Split-hover portfolio preview ── */
.split-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.split-card {
  position: relative;
  overflow: hidden;
  background: var(--bg2);
  cursor: pointer;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: flex 400ms var(--ease-in-out);
}
@media (hover: hover) and (pointer: fine) {
  .split-grid:has(.split-card:hover) .split-card { flex: 0.6; }
  .split-grid .split-card:hover { flex: 2; }
}
.split-card-bg {
  position: absolute;
  inset: 0;
  transition: transform 500ms var(--ease-out);
}
.split-card:hover .split-card-bg { transform: scale(1.05); }
.split-card-content {
  position: relative;
  z-index: 2;
  padding: var(--sp-6);
  background: linear-gradient(to top, oklch(8% .015 55 / .95) 0%, transparent 100%);
  transform: translateY(8px);
  transition: transform 300ms var(--ease-out);
}
.split-card:hover .split-card-content { transform: translateY(0); }
.split-card-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-2);
}
.split-card-title {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
}
.split-card-more {
  margin-top: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 300ms var(--ease-out) 100ms,
              transform 300ms var(--ease-out) 100ms;
}
.split-card:hover .split-card-more { opacity: 1; transform: translateX(0); }

/* ── Clip-path circle CTA ── */
.circle-cta {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: var(--sp-10) var(--sp-8);
  background: var(--bg2);
  cursor: pointer;
  text-align: center;
}
.circle-cta-ripple {
  position: absolute;
  border-radius: 50%;
  background: var(--accent);
  width: 0; height: 0;
  transform: translate(-50%, -50%);
  transition: width 600ms var(--ease-out), height 600ms var(--ease-out),
              opacity 600ms var(--ease-out);
  opacity: 0;
  pointer-events: none;
}
.circle-cta:hover .circle-cta-ripple {
  width: 200%;
  height: 700px;
  opacity: 1;
}
.circle-cta-content {
  position: relative;
  z-index: 1;
  transition: color 400ms var(--ease-out);
}
.circle-cta:hover .circle-cta-content { color: var(--bg); }
.circle-cta:hover .circle-cta-content .btn-primary {
  background: var(--bg);
  color: var(--accent);
  box-shadow: none;
}

/* ── Stat display ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.stat-block {
  padding: var(--sp-8) var(--sp-7);
  border-right: 0.5px solid var(--border);
  text-align: center;
}
.stat-block:last-child { border-right: none; }
.stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  display: block;
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--text2);
  margin-top: var(--sp-3);
  display: block;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

/* ── Footer ── */
footer {
  position: relative;
  z-index: 1;
  padding: var(--sp-9) var(--sp-8);
  border-top: 0.5px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: var(--sp-8);
}
.footer-brand {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(3rem, 7vw, 8rem);
  font-weight: 700;
  color: var(--accent);
  line-height: .9;
  text-decoration: none;
  display: block;
}
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text3);
  margin-top: var(--sp-3);
}
.footer-right { text-align: right; }
.footer-links {
  display: flex;
  gap: var(--sp-5);
  justify-content: flex-end;
  list-style: none;
  margin-bottom: var(--sp-4);
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--text3);
  text-decoration: none;
  transition: color 200ms;
  min-height: unset;
}
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: var(--text-xs); color: var(--text3); }
.footer-mention {
  font-size: 10px;
  color: oklch(28% .01 55);
  margin-top: var(--sp-2);
}

/* ── Accordion ── */
.accordion-item {
  border-bottom: 0.5px solid var(--border);
  overflow: hidden;
}
.accordion-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-5) 0;
  background: none;
  border: none;
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-size: var(--text-lg);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  min-height: 56px;
  transition: color 200ms var(--ease-out);
}
.accordion-btn:hover { color: var(--accent); }
.accordion-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  position: relative;
}
.accordion-icon::before, .accordion-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  transition: transform 300ms var(--ease-out), opacity 300ms;
}
.accordion-icon::before { width: 12px; height: 1.5px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.accordion-icon::after  { width: 1.5px; height: 12px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.accordion-item.open .accordion-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms var(--ease-out);
}
.accordion-body-inner {
  padding-bottom: var(--sp-5);
  font-size: var(--text-sm);
  color: var(--text2);
  line-height: 1.8;
  max-width: 60ch;
}

/* ── Tarif cards ── */
.tarif-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  align-items: start;
}
.tarif-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--sp-7);
  transition: border-color 300ms var(--ease-out), transform 300ms var(--ease-out);
}
.tarif-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.tarif-card.featured {
  border-color: var(--accent);
  background: oklch(12% .025 55);
}
.tarif-badge {
  display: inline-block;
  padding: 4px var(--sp-3);
  background: oklch(68% .22 55 / .15);
  color: var(--accent);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-5);
}
.tarif-name {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  margin-bottom: var(--sp-2);
}
.tarif-price {
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  margin-bottom: var(--sp-2);
  font-family: 'Cormorant Garamond', serif;
}
.tarif-price sup { font-size: 0.4em; vertical-align: top; margin-top: .5em; }
.tarif-period { font-size: var(--text-sm); color: var(--text3); margin-bottom: var(--sp-6); }
.tarif-features { list-style: none; margin-bottom: var(--sp-7); }
.tarif-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3) 0;
  font-size: var(--text-sm);
  color: var(--text2);
  border-bottom: 0.5px solid var(--border);
}
.tarif-features li:last-child { border-bottom: none; }
.tarif-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}
.tarif-features li.no::before { content: '–'; color: var(--text3); }
.tarif-features li.no { color: var(--text3); }

/* ── Contact form ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-10);
  align-items: start;
}
.form-group { margin-bottom: var(--sp-5); }
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text2);
  margin-bottom: var(--sp-2);
}
.form-input, .form-textarea {
  width: 100%;
  padding: var(--sp-4) var(--sp-5);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-size: var(--text-base);
  transition: border-color 200ms var(--ease-out);
  outline: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { resize: vertical; min-height: 140px; line-height: 1.6; }

/* ── Portfolio grid (realisations page) ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--sp-5);
}
.portfolio-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 300ms var(--ease-out), border-color 300ms var(--ease-out);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.portfolio-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.portfolio-thumb {
  height: 200px;
  position: relative;
  overflow: hidden;
}
.portfolio-thumb-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 3rem;
  font-weight: 700;
  opacity: .15;
  transition: transform 400ms var(--ease-out), opacity 400ms var(--ease-out);
}
.portfolio-card:hover .portfolio-thumb-inner { transform: scale(1.05); opacity: .25; }
.portfolio-info { padding: var(--sp-5); }
.portfolio-sector {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-2);
}
.portfolio-name {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--sp-1);
}
.portfolio-city { font-size: var(--text-sm); color: var(--text3); }
.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

/* ── Morph text ── */
.morph-container {
  position: relative;
  display: inline-block;
}
.morph-word {
  position: absolute;
  left: 0;
  top: 0;
  white-space: nowrap;
  color: var(--accent);
  filter: blur(8px);
  opacity: 0;
  transition: filter 500ms var(--ease-out), opacity 500ms var(--ease-out);
  pointer-events: none;
}
.morph-word.active {
  position: relative;
  filter: blur(0);
  opacity: 1;
}
.morph-word.leaving {
  position: absolute;
  filter: blur(8px);
  opacity: 0;
}

/* ── Accessibility ── */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .split-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-block { border-right: none; border-bottom: 0.5px solid var(--border); }
  .stat-block:last-child { border-bottom: none; }
  .tarif-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  section { padding: var(--sp-9) var(--sp-5); }
  footer { grid-template-columns: 1fr; }
  .footer-right { text-align: left; }
  .footer-links { justify-content: flex-start; }
  .portfolio-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .process-item { grid-template-columns: 2.5rem 1fr; gap: var(--sp-4); }
  .process-num { font-size: 2rem; }
}