/* ============================================
   YOUSSA — Landing Page
   Design system & components
   ============================================ */

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-charcoal);
  background: var(--color-cream);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color 0.3s ease; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font: inherit; color: inherit; }
ul { list-style: none; }

/* -------- Design tokens -------- */
:root {
  /* Couleurs */
  --color-cream: #F5EDE0;
  --color-cream-soft: #FBF6EE;
  --color-sand: #EBD9C2;
  --color-sand-light: #F0E2CE;
  --color-copper: #C19A6B;
  --color-copper-dark: #A87E4F;
  --color-terracotta: #B87E5C;
  --color-wine: #7D4855;
  --color-wine-dark: #5E3540;
  --color-charcoal: #1A1A1A;
  --color-ink: #2C2420;
  --color-white: #FFFFFF;
  --color-muted: #6B5B4F;
  --color-border: rgba(26, 26, 26, 0.08);
  --color-warning: #C44545;
  --color-success: #6B8E5C;

  /* Typo */
  --font-display: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: 1rem;
  --text-lg: clamp(1.05rem, 1.5vw, 1.15rem);
  --text-xl: clamp(1.25rem, 2vw, 1.5rem);
  --text-2xl: clamp(1.75rem, 3vw, 2.25rem);
  --text-3xl: clamp(2rem, 4vw, 3rem);
  --text-4xl: clamp(2.5rem, 5vw, 3.75rem);
  --text-hero: clamp(2.75rem, 8vw, 6.5rem);

  /* Espacements */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  /* Layout */
  --container-max: 1280px;
  --container-padding: clamp(1.25rem, 5vw, 3rem);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  /* Effets */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.08);
  --shadow-xl: 0 25px 50px -12px rgba(193, 154, 107, 0.15);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --header-height: 76px;
}

/* -------- Typography classes -------- */
.font-display { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; }
.font-display-italic { font-family: var(--font-display); font-style: italic; font-weight: 400; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; line-height: 1.15; letter-spacing: -0.015em; }
h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
p { font-size: var(--text-base); color: var(--color-charcoal); }

.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-copper);
  margin-bottom: var(--space-sm);
}

.eyebrow::after {
  content: '';
  display: inline-block;
  vertical-align: middle;
  width: 32px;
  height: 1px;
  background: var(--color-copper);
  margin-left: var(--space-xs);
}

/* -------- Layout primitives -------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: clamp(4rem, 10vw, 8rem);
  position: relative;
}

.section--cream { background: var(--color-cream); }
.section--sand { background: var(--color-sand-light); }
.section--white { background: var(--color-white); }
.section--dark { background: var(--color-ink); color: var(--color-cream); }
.section--dark h2, .section--dark h3, .section--dark p { color: var(--color-cream); }

.section-header { text-align: center; max-width: 720px; margin: 0 auto var(--space-xl); }
.section-header h2 { margin-bottom: var(--space-md); }
.section-header p { font-size: var(--text-lg); color: var(--color-muted); }

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-ink);
  color: var(--color-cream);
}
.btn--primary:hover {
  background: var(--color-wine);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--copper {
  background: var(--color-copper);
  color: var(--color-white);
}
.btn--copper:hover {
  background: var(--color-copper-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn--ghost {
  background: transparent;
  color: var(--color-charcoal);
  border: 1.5px solid var(--color-charcoal);
}
.btn--ghost:hover {
  background: var(--color-charcoal);
  color: var(--color-cream);
}

.btn--lg { padding: 1.1rem 2.5rem; font-size: var(--text-base); }

/* -------- Navbar -------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-block: 1rem;
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

.navbar--scrolled {
  background: rgba(245, 237, 224, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding-block: 0.625rem;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.navbar__brand {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-charcoal);
}

.navbar--hero-light:not(.navbar--scrolled) .navbar__brand,
.navbar--hero-light:not(.navbar--scrolled) .navbar__link,
.navbar--hero-light:not(.navbar--scrolled) .navbar__lang-btn { color: var(--color-cream); }

.navbar__menu {
  display: none;
  gap: var(--space-lg);
  align-items: center;
}

.navbar__link {
  font-size: var(--text-sm);
  font-weight: 500;
  position: relative;
  padding-block: 0.25rem;
}

.navbar__link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1.5px;
  background: var(--color-copper);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}
.navbar__link:hover::after { transform: scaleX(1); transform-origin: left; }

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.navbar__lang {
  display: flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  gap: 0.5rem;
}

.navbar__lang-btn {
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  opacity: 0.55;
}
.navbar__lang-btn--active { opacity: 1; color: var(--color-copper); }
.navbar__lang-btn:hover { opacity: 1; }

.navbar__cta {
  display: none;
  padding: 0.6rem 1.25rem;
  font-size: var(--text-xs);
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  position: relative;
  z-index: 101;
}

.hamburger span {
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger--open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger--open span:nth-child(2) { opacity: 0; }
.hamburger--open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-ink);
  color: var(--color-cream);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}
.mobile-menu--open { opacity: 1; visibility: visible; }

.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-cream);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
}
.mobile-menu--open a {
  opacity: 1;
  transform: translateY(0);
  transition-delay: calc(0.05s * var(--i, 0));
}

.mobile-menu__lang {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  font-size: var(--text-sm);
  letter-spacing: 0.15em;
}

/* -------- Hero -------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-cream);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: -10% 0;
  z-index: -2;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-inline: var(--container-padding);
  max-width: 960px;
}

.hero__eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-copper);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeUp 0.9s 0.2s forwards;
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-copper);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeUp 1s 0.4s forwards;
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.2vw, 1.375rem);
  font-weight: 300;
  color: var(--color-cream);
  max-width: 620px;
  margin: 0 auto var(--space-lg);
  opacity: 0;
  animation: fadeUp 1s 0.6s forwards;
}

.hero__divider {
  width: 60px;
  height: 1px;
  background: var(--color-copper);
  margin: 0 auto var(--space-lg);
  opacity: 0;
  animation: expandH 1s 0.8s forwards;
}

@keyframes expandH {
  from { opacity: 0; width: 0; }
  to { opacity: 1; width: 60px; }
}

.hero__cta {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 1s 1s forwards;
}

.hero__cta .btn--primary {
  background: var(--color-copper);
  color: var(--color-ink);
}
.hero__cta .btn--primary:hover { background: var(--color-cream); }
.hero__cta .btn--ghost { color: var(--color-cream); border-color: var(--color-cream); }
.hero__cta .btn--ghost:hover { background: var(--color-cream); color: var(--color-ink); }

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-cream);
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 1s 1.2s forwards, bounce 2s 2s infinite;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.hero__scroll::after {
  content: '';
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, var(--color-cream) 0%, transparent 100%);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* -------- Problem section (4 stats) -------- */
.problem {
  background: var(--color-cream);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.stat-card {
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-copper);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-left-color: var(--color-wine);
}

.stat-card__value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 600;
  color: var(--color-copper);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-card__label {
  font-size: var(--text-base);
  color: var(--color-charcoal);
  line-height: 1.5;
}

.stat-card--warning .stat-card__value { color: var(--color-warning); }
.stat-card--warning { border-left-color: var(--color-warning); }

/* -------- Biological predisposition section -------- */
.bio {
  background: var(--color-sand-light);
  position: relative;
  overflow: hidden;
}

.bio__layout {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.bio__visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 480px;
  margin-inline: auto;
}

.bio__circle {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--color-copper);
}

.bio__circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bio__features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.bio__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.bio__feature-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-copper);
  flex-shrink: 0;
  margin-top: 0.5rem;
}

.bio__feature-text { font-size: var(--text-lg); font-weight: 500; }

.bio__stat {
  text-align: center;
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-cream-soft);
  border-radius: var(--radius-md);
}

.bio__stat-value {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  color: var(--color-copper);
  font-weight: 600;
  line-height: 1;
}

.bio__stat-label {
  font-size: var(--text-lg);
  color: var(--color-charcoal);
  margin-top: var(--space-xs);
}

/* -------- Mechanism section (4 pillars) -------- */
.mechanism {
  position: relative;
  background: url('../images/mecanisme.png') center/cover no-repeat;
  color: var(--color-cream);
  overflow: hidden;
}

.mechanism .container { position: relative; z-index: 1; }

.mechanism .section-header h2 { color: var(--color-cream); }
.mechanism .section-header p { color: rgba(245, 237, 224, 0.78); }

/* Cards piliers avec léger glassmorphism pour mieux dialoguer avec le fond */
.mechanism .pillar {
  background: rgba(251, 246, 238, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.pillar {
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pillar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-copper), var(--color-wine));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.pillar:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.pillar:hover::before { transform: scaleX(1); }

.pillar__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-sand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-wine);
}

.pillar__icon svg { width: 26px; height: 26px; }

.pillar__title {
  font-size: var(--text-xl);
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-wine);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pillar__zone {
  font-size: var(--text-xs);
  color: var(--color-copper);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}


/* -------- Results section -------- */
.results { background: var(--color-sand-light); }

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  max-width: 880px;
  margin-inline: auto;
}

.result-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-sand);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-base);
}

.result-card:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }

.result-card__icon {
  width: 48px; height: 48px;
  margin: 0 auto var(--space-sm);
  color: var(--color-ink);
}
.result-card__icon svg { width: 100%; height: 100%; }

.result-card__value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.25rem;
  line-height: 1;
}

.result-card__label {
  font-size: var(--text-sm);
  color: var(--color-charcoal);
  font-weight: 500;
}

/* -------- Products section -------- */
.products { background: var(--color-cream); position: relative; }

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  text-align: center;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 360px;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-copper), var(--color-wine));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-card:hover::before { transform: scaleX(1); }

.product-card__visual {
  width: 100%;
  aspect-ratio: 1;
  max-width: 280px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 8%;
  overflow: visible;
}

.product-card__visual::before,
.product-card__visual::after {
  content: none !important;
  display: none !important;
}

.product-card__visual img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 14px 14px rgba(0, 0, 0, 0.08));
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__visual img { transform: scale(1.04) translateY(-4px); }

/* Le sérum a un format plus vertical → on le réduit pour qu'il s'aligne visuellement */
.product-card:nth-child(1) .product-card__visual img { max-height: 82%; }

.product-card__name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  font-weight: 500;
  color: var(--color-wine);
  margin-bottom: var(--space-xs);
  line-height: 1.2;
}

.product-card__price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-copper);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-style: italic;
  margin-bottom: var(--space-md);
}

.product-card__divider {
  width: 32px;
  height: 1px;
  background: var(--color-copper);
  margin: 0 auto var(--space-md);
  opacity: 0.5;
}

.product-card__usage {
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.02em;
  line-height: 1.5;
  margin-top: auto;
  max-width: 240px;
}

/* -------- Newsletter -------- */
.newsletter {
  background: var(--color-ink);
  color: var(--color-cream);
  position: relative;
  overflow: hidden;
}

.newsletter::before,
.newsletter::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(193, 154, 107, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.newsletter::before { top: -100px; left: -100px; }
.newsletter::after { bottom: -100px; right: -100px; }

.newsletter__inner {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.newsletter__eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-copper);
  margin-bottom: var(--space-sm);
  display: block;
}

.newsletter__title {
  font-size: var(--text-4xl);
  color: var(--color-cream);
  margin-bottom: var(--space-md);
}

.newsletter__desc {
  font-size: var(--text-lg);
  color: rgba(245, 237, 224, 0.8);
  margin-bottom: var(--space-lg);
}

.newsletter__form {
  display: flex;
  gap: 0;
  background: var(--color-cream);
  border-radius: var(--radius-full);
  padding: 0.375rem;
  max-width: 480px;
  margin-inline: auto;
  box-shadow: var(--shadow-xl);
  flex-wrap: wrap;
}

.newsletter__input {
  flex: 1;
  min-width: 0;
  padding: 0.875rem 1.25rem;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-charcoal);
  font-size: var(--text-base);
}

.newsletter__input::placeholder { color: var(--color-muted); }

.newsletter__btn {
  padding: 0.875rem 1.75rem;
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.newsletter__btn:hover { background: var(--color-wine); transform: scale(1.02); }

.newsletter__btn:disabled { opacity: 0.7; cursor: wait; }

.newsletter__legal {
  font-size: var(--text-xs);
  color: rgba(245, 237, 224, 0.5);
  margin-top: var(--space-md);
}

/* -------- Footer -------- */
.footer {
  background: var(--color-ink);
  color: var(--color-cream);
  padding: var(--space-xl) 0 var(--space-md);
  border-top: 1px solid rgba(245, 237, 224, 0.08);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.12em;
  color: var(--color-cream);
  margin-bottom: var(--space-xs);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(245, 237, 224, 0.7);
  font-style: italic;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-copper);
  margin-bottom: var(--space-sm);
}

.footer__col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__col a {
  font-size: var(--text-sm);
  color: rgba(245, 237, 224, 0.8);
  transition: color var(--transition-fast);
}
.footer__col a:hover { color: var(--color-copper); }

.footer__bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(245, 237, 224, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: var(--text-xs);
  color: rgba(245, 237, 224, 0.5);
}

/* -------- Toast -------- */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--color-ink);
  color: var(--color-cream);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  z-index: 200;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: calc(100% - 2rem);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s;
  opacity: 0;
  border-left: 3px solid var(--color-copper);
}

.toast--show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast--success { border-left-color: var(--color-success); }
.toast--error { border-left-color: var(--color-warning); }

.toast__icon { flex-shrink: 0; }
.toast__icon svg { width: 22px; height: 22px; }

/* -------- Scroll reveal -------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.55s; }

/* -------- Skip link -------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-ink);
  color: var(--color-cream);
  padding: 0.75rem 1.25rem;
  z-index: 200;
  text-decoration: none;
}
.skip-link:focus { top: 0; }

/* -------- Accessibility: reduced motion -------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; }
}

/* -------- Responsive: tablet & desktop -------- */
@media (min-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .navbar__menu { display: flex; }
  .hamburger { display: none; }
  .navbar__cta { display: inline-flex; }
  .mobile-menu { display: none !important; }

  .bio__layout { grid-template-columns: 1fr 1fr; }
  .bio__stat { margin-top: var(--space-2xl); grid-column: 1 / -1; }

  .footer__grid { grid-template-columns: 2fr 1fr 1fr; }
}

@media (min-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .pillars-grid { grid-template-columns: repeat(4, 1fr); }
  .results-grid { grid-template-columns: repeat(4, 1fr); }
  .products-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
}

@media (max-width: 639px) {
  .newsletter__form { flex-direction: column; gap: 0.5rem; padding: 0.5rem; border-radius: var(--radius-md); }
  .newsletter__btn { width: 100%; border-radius: var(--radius-md); }
  .newsletter__input { text-align: center; }
}