/* ============================================================
   BASE-CONTACT.FR — Design System
   ============================================================ */

:root {
  --bg-0: #0a0a0a;
  --bg-1: #111113;
  --bg-2: #161618;
  --bg-3: #1e1e21;
  --text-0: #f5f5f0;
  --text-1: #c8c8c2;
  --text-2: #a0a0a0;
  --text-3: #606060;
  --accent: #00ff88;
  --accent-dim: rgba(0, 255, 136, 0.12);
  --accent-glow: rgba(0, 255, 136, 0.25);
  --amber: #c9a84c;
  --amber-dim: rgba(201, 168, 76, 0.12);
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter Tight', 'Inter', system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --radius: 4px;
  --radius-lg: 8px;
  --max-w: 1200px;
  --section-gap: 120px;
}

/* ============================================================
   RESET
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-0);
  color: var(--text-0);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: none; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ============================================================
   GRAIN OVERLAY
   ============================================================ */

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */

.cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s var(--ease), opacity 0.2s;
  mix-blend-mode: screen;
}

.cursor-ring {
  position: fixed;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(0, 255, 136, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.18s var(--ease), width 0.3s var(--ease), height 0.3s var(--ease), opacity 0.2s;
}

.cursor.hovering { transform: translate(-50%, -50%) scale(2.5); }
.cursor-ring.hovering { width: 48px; height: 48px; opacity: 0.5; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

.mono { font-family: var(--font-mono); }

h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.display {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
.h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
.h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

.subtext {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-2);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0;
}

.label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.price-display {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}

.section { padding: var(--section-gap) 0; position: relative; }
.section + .section { padding-top: 0; }

/* ============================================================
   DIVIDERS & GRID LINES
   ============================================================ */

.divider {
  height: 1px;
  background: var(--border);
  width: 100%;
}

.grid-line-h {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--border);
}

.section-marker {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 64px;
}

.section-marker::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.4s var(--ease), border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: 0.05em;
}

.nav__logo span { color: var(--accent); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__links a {
  font-size: 0.85rem;
  color: var(--text-2);
  transition: color 0.2s;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.nav__links a:hover { color: var(--text-0); }
.nav__links a.active { color: var(--text-0); }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--accent);
  color: #000;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: opacity 0.2s, transform 0.2s var(--ease);
}

.nav__cta:hover { opacity: 0.88; transform: translateY(-1px); }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #000;
}
.btn--primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text-0);
  border: 1px solid var(--border-hover);
}
.btn--ghost:hover {
  border-color: var(--text-2);
  transform: translateY(-2px);
}

.btn--lg { padding: 18px 36px; font-size: 0.88rem; }

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  padding-top: 180px;
  padding-bottom: var(--section-gap);
  position: relative;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  margin-bottom: 32px;
  background: var(--bg-2);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  max-width: 900px;
  margin-bottom: 28px;
}

.hero__title .accent { color: var(--accent); }
.hero__title .dim { color: var(--text-2); }

.hero__subtitle {
  max-width: 560px;
  margin-bottom: 48px;
  font-size: 1.1rem;
  color: var(--text-1);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.hero__stat-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: -0.02em;
}

.hero__stat-label {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 2px;
}

/* ============================================================
   VALUE PROPS
   ============================================================ */

.props {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.props__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.prop-card {
  background: var(--bg-0);
  padding: 48px 40px;
  position: relative;
  transition: background 0.3s;
}

.prop-card:hover { background: var(--bg-2); }

.prop-card__number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.prop-card__title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-0);
}

.prop-card__text {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ============================================================
   WHO IS IT FOR
   ============================================================ */

.for-who {
  padding: var(--section-gap) 0;
}

.for-who__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 64px;
}

.for-card {
  background: var(--bg-0);
  padding: 36px 40px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: background 0.3s;
}

.for-card:hover { background: var(--bg-2); }

.for-card__icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

.for-card__title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-0);
}

.for-card__text {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */

.how {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.how__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 64px;
  position: relative;
}

.how__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(100% / 6);
  right: calc(100% / 6);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}

.step {
  padding: 0 32px;
  position: relative;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.step__num {
  width: 56px;
  height: 56px;
  border: 1px solid var(--border-hover);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 28px;
  position: relative;
  background: var(--bg-0);
}

.step__title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-0);
}

.step__text {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ============================================================
   TRUST / SOURCES
   ============================================================ */

.trust {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.trust__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.trust__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--text-1);
  background: var(--bg-2);
}

.trust-badge__dot {
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.trust__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.trust__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-2);
}

.trust__item-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.trust__item-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 2px;
}

.trust__item-text {
  font-size: 0.82rem;
  color: var(--text-2);
}

/* ============================================================
   CONFIGURATOR PREVIEW (home)
   ============================================================ */

.config-preview {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.config-preview__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.config-mock {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.config-mock::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.6;
}

.config-mock__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 20px;
}

.config-mock__products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}

.config-mock__product {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.config-mock__product.active {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.config-mock__product-name { color: var(--text-1); margin-bottom: 4px; }
.config-mock__product-price { color: var(--accent); font-weight: 700; }

.config-mock__result {
  padding: 16px;
  background: var(--bg-3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.config-mock__result-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 4px 0;
}

.config-mock__result-row.total {
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
}

.config-mock__result-row.total .val { color: var(--accent); }
.config-mock__result-row .label-r { color: var(--text-2); }
.config-mock__result-row .val { color: var(--text-0); }
.config-mock__result-row .discount { color: var(--amber); }

/* ============================================================
   FAQ
   ============================================================ */

.faq {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.faq__list {
  margin-top: 64px;
  border: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child { border-bottom: none; }

.faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  cursor: none;
  transition: background 0.2s;
  gap: 16px;
}

.faq-item__question:hover { background: var(--bg-2); }

.faq-item__q {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-0);
  line-height: 1.4;
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease), border-color 0.2s;
}

.faq-item.open .faq-item__icon { transform: rotate(45deg); border-color: var(--accent); }

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-item__a {
  padding: 0 32px 24px;
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.75;
}

/* ============================================================
   FULL CONFIGURATOR (tarifs.html)
   ============================================================ */

.configurator {
  padding-top: 160px;
  padding-bottom: var(--section-gap);
}

.configurator__header {
  margin-bottom: 64px;
}

.config-builder {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: start;
}

.config-steps { display: flex; flex-direction: column; gap: 2px; }

.config-step {
  background: var(--bg-2);
  border: 1px solid var(--border);
  overflow: hidden;
}

.config-step--active { border-color: var(--border-hover); }

.config-step__header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
}

.config-step__num {
  width: 28px;
  height: 28px;
  background: var(--bg-3);
  border: 1px solid var(--border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.config-step__title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--text-1);
}

.config-step__body { padding: 28px; }

/* Product cards */

.product-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.product-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: none;
  transition: all 0.2s var(--ease);
  background: var(--bg-0);
  position: relative;
}

.product-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-3);
}

.product-card.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.product-card.selected::after {
  content: '✓';
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 0.7rem;
  color: var(--accent);
  font-family: var(--font-mono);
}

.product-card__type {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.product-card__name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 10px;
}

.product-card__price {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}

.product-card__price span {
  font-size: 0.72rem;
  color: var(--text-3);
  font-weight: 400;
}

.product-card__desc {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 6px;
  line-height: 1.5;
}

/* Volume slider */

.slider-wrap {
  position: relative;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.slider-labels span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-3);
}

.volume-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 2px;
  background: var(--border-hover);
  outline: none;
  border-radius: 2px;
  cursor: none;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  cursor: none;
  box-shadow: 0 0 16px var(--accent-glow);
  transition: transform 0.15s var(--ease);
}

.volume-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.volume-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  cursor: none;
}

.volume-value {
  text-align: center;
  margin-top: 20px;
}

.volume-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: -0.03em;
}

.volume-unit {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 4px;
}

/* Price summary panel */

.price-panel {
  background: var(--bg-2);
  border: 1px solid var(--border);
  position: sticky;
  top: 100px;
}

.price-panel::before {
  content: '';
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.price-panel__header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
}

.price-panel__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.price-panel__body { padding: 28px; }

.price-panel__rows { display: flex; flex-direction: column; gap: 14px; }

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.price-row__label {
  font-size: 0.82rem;
  color: var(--text-2);
}

.price-row__val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-1);
  font-weight: 600;
}

.price-row__val.accent { color: var(--accent); }
.price-row__val.amber { color: var(--amber); }

.price-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.price-total {
  padding: 20px 0 4px;
}

.price-total__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}

.price-total__amount {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}

.price-total__ht {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 4px;
  font-family: var(--font-mono);
}

.price-panel__cta {
  padding: 24px 28px;
  border-top: 1px solid var(--border);
}

.price-panel__cta .btn { width: 100%; justify-content: center; }

.price-panel__note {
  font-size: 0.75rem;
  color: var(--text-3);
  text-align: center;
  margin-top: 12px;
  line-height: 1.5;
}

/* ============================================================
   DEGRESSIVE TABLE
   ============================================================ */

.degressions {
  margin-top: 80px;
  border-top: 1px solid var(--border);
  padding-top: 64px;
}

.degression-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.degression-table th {
  text-align: left;
  padding: 12px 20px;
  background: var(--bg-2);
  color: var(--text-3);
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.degression-table td {
  padding: 14px 20px;
  border: 1px solid var(--border);
  color: var(--text-1);
}

.degression-table tr:hover td { background: var(--bg-2); }

.degression-table .accent { color: var(--accent); }
.degression-table .amber { color: var(--amber); }

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-page {
  padding-top: 160px;
  padding-bottom: var(--section-gap);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 80px;
  align-items: start;
}

.contact-form__fieldset {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.field input,
.field textarea {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--text-0);
  font-size: 0.92rem;
  transition: border-color 0.2s, background 0.2s;
  outline: none;
  resize: none;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  background: var(--bg-3);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-3);
}

.field textarea { min-height: 140px; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-notice {
  font-size: 0.78rem;
  color: var(--text-3);
  line-height: 1.6;
  margin-top: 8px;
}

.contact-info {
  position: sticky;
  top: 100px;
}

.contact-info__card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 20px;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.contact-info__item:last-child { border-bottom: none; padding-bottom: 0; }

.contact-info__icon {
  width: 36px;
  height: 36px;
  background: var(--bg-3);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.contact-info__key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}

.contact-info__val {
  font-size: 0.9rem;
  color: var(--text-0);
  font-weight: 500;
}

.contact-info__val a { transition: color 0.2s; }
.contact-info__val a:hover { color: var(--accent); }

.rgpd-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.rgpd-box__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.rgpd-box__text {
  font-size: 0.8rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 40px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 48px;
}

.footer__brand {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 12px;
}

.footer__brand span { color: var(--accent); }

.footer__tagline {
  font-size: 0.82rem;
  color: var(--text-3);
  line-height: 1.6;
}

.footer__col-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--text-2);
  transition: color 0.2s;
}

.footer__links a:hover { color: var(--text-0); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  gap: 16px;
  flex-wrap: wrap;
}

.footer__bottom a { transition: color 0.2s; }
.footer__bottom a:hover { color: var(--text-1); }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================================
   FORM SUCCESS STATE
   ============================================================ */

.form-success {
  display: none;
  padding: 24px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  text-align: center;
  margin-top: 16px;
}

.form-success.show { display: block; }

.form-success__title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.form-success__text {
  font-size: 0.85rem;
  color: var(--text-2);
}

/* ============================================================
   HAMBURGER MENU
   ============================================================ */

.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.2s;
}

.nav__burger:hover { border-color: var(--accent); }

.nav__burger span {
  display: block;
  height: 1px;
  background: var(--text-0);
  border-radius: 1px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
  transform-origin: center;
}

.nav__burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav__mobile {
  display: none;
  position: fixed;
  top: 65px;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  z-index: 99;
  transform: translateY(-8px);
  opacity: 0;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav__mobile.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

.nav__mobile ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__mobile ul li a {
  display: block;
  padding: 16px 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-1);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, background 0.2s;
}

.nav__mobile ul li:last-child a { border-bottom: none; }
.nav__mobile ul li a:hover,
.nav__mobile ul li a.active { color: var(--accent); background: var(--bg-2); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  :root { --section-gap: 80px; }
  .container { padding: 0 32px; }

  .config-builder { grid-template-columns: 1fr; }
  .price-panel { position: relative; top: 0; }
  .trust__inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-info { position: relative; top: 0; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-gap: 56px; }
  .container { padding: 0 20px; }

  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__cta { display: none; }

  .hero { padding-top: 110px; }
  .configurator { padding-top: 100px; }
  .contact-page { padding-top: 100px; }

  .props__grid { grid-template-columns: 1fr; }
  .for-who__grid { grid-template-columns: 1fr; }
  .how__steps { grid-template-columns: 1fr; }
  .how__steps::before { display: none; }
  .step { padding: 24px 0; }
  .step:not(:last-child)::after { display: none; }
  .step:not(:last-child) { border-bottom: 1px solid var(--border); }

  .hero__stats { flex-wrap: wrap; gap: 20px; }
  .hero__actions { flex-direction: column; align-items: flex-start; }

  .config-preview__inner { grid-template-columns: 1fr; }
  .product-cards { grid-template-columns: 1fr 1fr; }

  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }

  body { cursor: auto; }
  .cursor, .cursor-ring { display: none; }

  .product-card,
  .faq-item__question,
  .volume-slider,
  .btn { cursor: pointer; }

  .field-row { grid-template-columns: 1fr; }

  .degression-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .degression-table { font-size: 0.75rem; min-width: 600px; }
  .degression-table th, .degression-table td { padding: 10px 12px; }
}

@media (max-width: 480px) {
  :root { --section-gap: 48px; }
  .container { padding: 0 16px; }
  .config-mock__products { grid-template-columns: 1fr; }
  .product-cards { grid-template-columns: 1fr; }
  .hero__stat-value { font-size: 1.4rem; }
}