/* ============================================
   NANOTERA - Site Vitrine
   Style: Industrial Chic & Digital Warmth
   Palette: Gris Ardoise, Orange Électrique, Vert Sauge
   ============================================ */

/* ===================== RESET & BASE ===================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Palette */
  --color-bg: #0f172a;
  --color-bg-alt: #1e293b;
  --color-bg-card: rgba(30, 41, 59, 0.6);
  --color-primary: #FF6B35;
  --color-primary-glow: rgba(255, 107, 53, 0.3);
  --color-secondary: #8FBC8F;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-border: rgba(148, 163, 184, 0.15);
  --color-gold: #FFD700;

  /* Typo */
  --font-title: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Espacement */
  --section-padding: clamp(80px, 12vw, 160px);
  --container-max: 1280px;
  --container-padding: clamp(20px, 4vw, 60px);

  /* Transitions */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ===================== UTILITAIRES ===================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), #ff9a5c, var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass {
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: 20px;
}

/* ===================== ANIMATIONS ===================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes borderGlow {
  0%, 100% { border-color: var(--color-primary); box-shadow: 0 0 15px var(--color-primary-glow); }
  50% { border-color: var(--color-gold); box-shadow: 0 0 25px rgba(255, 215, 0, 0.3); }
}

@keyframes meshGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  50% { border-color: transparent; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ===================== NAVIGATION ===================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px var(--container-padding);
  transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px var(--container-padding);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.nav-logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s var(--ease-out);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--color-primary) !important;
  color: white !important;
  padding: 10px 24px !important;
  border-radius: 12px !important;
  font-weight: 600 !important;
  transition: all 0.3s var(--ease-out) !important;
  box-shadow: 0 4px 15px var(--color-primary-glow);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--color-primary-glow) !important;
}

.nav-cta::after {
  display: none !important;
}

/* Mobile menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}

.nav-toggle span {
  width: 28px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s;
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================== HERO ===================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px var(--container-padding) 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(255, 107, 53, 0.15), transparent),
    radial-gradient(ellipse 60% 80% at 80% 70%, rgba(143, 188, 143, 0.1), transparent),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(15, 23, 42, 0.9), transparent);
  animation: meshGradient 15s ease infinite;
  background-size: 200% 200%;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
  border: 1px solid rgba(255, 215, 0, 0.3);
  background: rgba(255, 215, 0, 0.05);
  color: var(--color-gold);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  fill: var(--color-gold);
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--color-text-muted);
  max-width: 650px;
  margin: 0 auto 48px;
  animation: fadeInUp 0.8s var(--ease-out) 0.6s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out) 0.8s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--color-primary-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: rgba(255, 107, 53, 0.05);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  animation: float 3s ease-in-out infinite;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
}

/* ===================== KPIs SECTION ===================== */
.kpis {
  padding: var(--section-padding) 0;
  position: relative;
}

.kpis-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.kpi-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.kpi-card:hover::before {
  opacity: 1;
}

.kpi-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.kpi-number {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1;
}

.kpi-label {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ===================== SECTION HEADINGS ===================== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ===================== EXPERTISES ===================== */
.expertises {
  padding: var(--section-padding) 0;
  position: relative;
}

.expertises::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-border));
}

.expertises-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.expertise-card {
  padding: 48px 36px;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  transition: all 0.5s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.expertise-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}

.expertise-card:hover::after {
  transform: scaleX(1);
}

.expertise-card:hover {
  border-color: rgba(255, 107, 53, 0.3);
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.expertise-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.8rem;
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.2);
}

.expertise-title {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.expertise-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.expertise-list {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.expertise-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.expertise-list li::before {
  content: '→';
  color: var(--color-primary);
  font-weight: bold;
}

/* ===================== BENTO GRID ===================== */
.bento {
  padding: var(--section-padding) 0;
  position: relative;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}

.bento-item {
  border-radius: 24px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  padding: 36px;
  transition: all 0.4s var(--ease-out);
  overflow: hidden;
  position: relative;
}

.bento-item:hover {
  border-color: rgba(255, 107, 53, 0.3);
  transform: translateY(-4px);
}

.bento-item.span-2 {
  grid-column: span 2;
}

.bento-item.span-3 {
  grid-column: span 3;
}

.bento-item.span-row-2 {
  grid-row: span 2;
}

.bento-item h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.bento-item p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.bento-item .bento-value {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 800;
  margin-top: 16px;
}

.bento-item .bento-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

/* EcoVadis special */
.bento-ecovadis {
  border-color: rgba(255, 215, 0, 0.3);
  animation: borderGlow 4s ease-in-out infinite;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.bento-ecovadis .eco-badge {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin: 0 auto 16px;
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

/* ===================== SOLUTIONS ===================== */
.solutions {
  padding: var(--section-padding) 0;
  position: relative;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  padding: 48px;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  transition: all 0.5s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--color-primary-glow), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s;
}

.solution-card:hover::before {
  opacity: 0.15;
}

.solution-card:hover {
  border-color: rgba(255, 107, 53, 0.3);
  transform: translateY(-5px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.solution-card > * {
  position: relative;
  z-index: 1;
}

.solution-number {
  font-family: var(--font-title);
  font-size: 4rem;
  font-weight: 800;
  color: rgba(255, 107, 53, 0.15);
  line-height: 1;
  margin-bottom: 16px;
}

.solution-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.solution-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.solution-tag {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255, 107, 53, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(255, 107, 53, 0.2);
}

/* ===================== REFERENCES ===================== */
.references {
  padding: var(--section-padding) 0;
  position: relative;
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.reference-card {
  border-radius: 24px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: all 0.4s var(--ease-out);
}

.reference-card:hover {
  border-color: rgba(255, 107, 53, 0.3);
  transform: translateY(-5px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.reference-header {
  padding: 32px 32px 0;
}

.reference-industry {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(143, 188, 143, 0.15);
  color: var(--color-secondary);
  margin-bottom: 12px;
}

.reference-title {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.reference-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 0 32px;
  margin-bottom: 24px;
}

.reference-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  margin: 0 32px 32px;
  border-radius: 12px;
  overflow: hidden;
}

.reference-kpi {
  text-align: center;
  padding: 20px 8px;
  background: var(--color-bg-card);
}

.reference-kpi-value {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
}

.reference-kpi-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ===================== INNOVATION ===================== */
.innovation {
  padding: var(--section-padding) 0;
  position: relative;
}

.innovation-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.innovation-content h3 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.innovation-content p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.innovation-visual {
  position: relative;
  height: 400px;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.innovation-visual-inner {
  text-align: center;
}

.innovation-visual-icon {
  font-size: 5rem;
  margin-bottom: 16px;
  animation: float 4s ease-in-out infinite;
}

.innovation-visual-text {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.innovation-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.innovation-feature {
  text-align: center;
  padding: 32px 20px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  transition: all 0.4s var(--ease-out);
}

.innovation-feature:hover {
  border-color: rgba(255, 107, 53, 0.3);
  transform: translateY(-5px);
}

.innovation-feature-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.innovation-feature h4 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.innovation-feature p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ===================== À PROPOS ===================== */
.about {
  padding: var(--section-padding) 0;
  position: relative;
}

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

.about-story h3 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 24px;
}

.about-story p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-value {
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  transition: all 0.3s var(--ease-out);
}

.about-value:hover {
  border-color: rgba(255, 107, 53, 0.3);
}

.about-value-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.about-value h4 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.about-value p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.about-sites {
  padding: 40px;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}

.about-sites h3 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.about-sites-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.about-site {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(255, 107, 53, 0.05);
  border: 1px solid rgba(255, 107, 53, 0.1);
  font-weight: 500;
}

.about-site-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* ===================== CONTACT ===================== */
.contact {
  padding: var(--section-padding) 0;
  position: relative;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}

.contact-detail-icon {
  font-size: 1.3rem;
  width: 40px;
  text-align: center;
}

.contact-detail-text {
  font-size: 0.95rem;
}

.contact-detail-text strong {
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-detail-text span {
  color: var(--color-text-muted);
}

.contact-form-wrapper {
  padding: 48px;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
}

.contact-form-wrapper h4 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all 0.3s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-group select option {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

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

/* ===================== FOOTER ===================== */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--color-border);
  position: relative;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .footer-logo {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.footer-brand .footer-logo span {
  color: var(--color-primary);
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-disclaimer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .kpis-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .expertises-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-item.span-3 {
    grid-column: span 2;
  }

  .innovation-hero {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .innovation-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg-alt);
    flex-direction: column;
    padding: 100px 40px 40px;
    gap: 24px;
    transition: right 0.4s var(--ease-out);
    border-left: 1px solid var(--color-border);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .kpis-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .kpi-card {
    padding: 24px 16px;
  }

  .expertises-grid {
    grid-template-columns: 1fr;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-item.span-2,
  .bento-item.span-3 {
    grid-column: span 1;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .references-grid {
    grid-template-columns: 1fr;
  }

  .innovation-features {
    grid-template-columns: 1fr 1fr;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .about-sites-list {
    grid-template-columns: 1fr;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .kpis-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .innovation-features {
    grid-template-columns: 1fr;
  }

  .contact-form-wrapper {
    padding: 24px;
  }
}