/* =============================================
   SILATY HOLDINGS — Landing Page Styles
   Brand: Persian Green Deep #008578
   ============================================= */

:root {
  --persian-green: #008578;
  --persian-deep: #005C52;
  --cuivre: #D4853B;
  --or: #E6A820;
  --ardoise: #3A3A4A;
  --gris-clair: #E8E8ED;
  --blanc: #FFFFFF;
  --noir: #12121A;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-to-content {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translate(-50%, -100%);
  padding: 12px 24px;
  background: var(--persian-green);
  color: #fff;
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
  border-radius: 0 0 8px 8px;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.skip-to-content:focus {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}

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

html {
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--ardoise);
  background: var(--blanc);
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s ease;
}

.navbar.scrolled {
  background: rgba(18, 18, 26, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--blanc);
  letter-spacing: 3px;
}

.nav-holdings {
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 5px;
  opacity: 0.7;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 1px;
  transition: color 0.3s ease;
  position: relative;
}

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

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

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

.nav-links a.nav-cta {
  padding: 10px 24px;
  border: 1px solid var(--cuivre);
  border-radius: 4px;
  color: var(--cuivre);
  transition: all 0.3s ease;
}

.nav-links a.nav-cta:hover {
  background: var(--cuivre);
  color: var(--blanc);
}

.nav-links a.nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--blanc);
  transition: all 0.3s ease;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--noir);
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(0, 133, 120, 0.12) 0%, transparent 70%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(212, 133, 59, 0.06) 0%, transparent 70%);
  animation: heroGlow 10s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -20px) scale(1.1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(18, 18, 26, 0.9) 0%, rgba(18, 18, 26, 0.5) 50%, rgba(18, 18, 26, 0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-diamond {
  margin-bottom: 40px;
  animation: diamondFloat 4s ease-in-out infinite;
}

@keyframes diamondFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800;
  color: var(--blanc);
  letter-spacing: 12px;
  margin-bottom: 8px;
}

.hero-holdings {
  display: block;
  font-weight: 400;
  font-size: clamp(14px, 2vw, 20px);
  letter-spacing: 18px;
  opacity: 0.6;
  margin-top: 4px;
}

.hero-line {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--cuivre), var(--or));
  margin: 28px auto;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.2vw, 22px);
  color: rgba(255, 255, 255, 0.85);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 2px;
  margin-bottom: 48px;
}

.hero-btn {
  display: inline-block;
  padding: 16px 40px;
  background: transparent;
  border: 2px solid var(--persian-green);
  color: var(--blanc);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.4s ease;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-btn:hover {
  background: var(--persian-green);
  box-shadow: 0 8px 30px rgba(0, 133, 120, 0.3);
  transform: translateY(-2px);
}

.hero-btn-secondary {
  border-color: var(--cuivre);
}

.hero-btn-secondary:hover {
  background: var(--cuivre);
  box-shadow: 0 8px 30px rgba(212, 133, 59, 0.3);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.scroll-indicator span {
  font-size: 11px;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cuivre), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* =============================================
   SECTIONS COMMON
   ============================================= */
.section {
  padding: 120px 0;
}

.section-header {
  margin-bottom: 72px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--cuivre);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--noir);
  line-height: 1.2;
}

.text-accent {
  color: var(--persian-green);
}

.section-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--cuivre), var(--or));
  margin-top: 24px;
}

/* =============================================
   ABOUT
   ============================================= */
.about {
  background: var(--blanc);
}

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

.about-text p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ardoise);
  margin-bottom: 20px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.stat {
  background: linear-gradient(135deg, #f8f9fa 0%, #f0f2f5 100%);
  padding: 36px 28px;
  border-left: 3px solid var(--persian-green);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 133, 120, 0.1);
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  color: var(--persian-green);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--ardoise);
  letter-spacing: 1px;
}

/* =============================================
   SECTORS GRID
   ============================================= */
.sectors {
  background: var(--noir);
  padding: 120px 0;
}

.sectors .section-title {
  color: var(--blanc);
}

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

.sector-card {
  position: relative;
  display: block;
  height: 340px;
  border-radius: 6px;
  overflow: hidden;
  text-decoration: none;
  cursor: pointer;
}

.sector-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.sector-card:hover .sector-img {
  transform: scale(1.08);
}

.sector-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.4) 40%,
    rgba(0, 0, 0, 0.15) 100%
  );
  transition: background 0.4s ease;
}

.sector-card:hover .sector-overlay {
  background: linear-gradient(
    to top,
    var(--sector-color, rgba(0, 0, 0, 0.9)) 0%,
    rgba(0, 0, 0, 0.5) 50%,
    rgba(0, 0, 0, 0.2) 100%
  );
}

.sector-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 24px;
  z-index: 2;
  display: flex;
  flex-direction: column;
}

.sector-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--blanc);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.sector-card p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.4s ease, margin 0.4s ease;
  margin-bottom: 0;
}

.sector-card:hover p {
  max-height: 60px;
  opacity: 1;
  margin-bottom: 4px;
}

.sector-arrow {
  display: inline-block;
  font-size: 20px;
  color: var(--cuivre);
  margin-top: 8px;
  transform: translateX(-4px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.sector-card:hover .sector-arrow {
  transform: translateX(0);
  opacity: 1;
}

/* =============================================
   ACTIVITIES DETAIL
   ============================================= */
.activities {
  background: #FAFBFC;
}

.activity {
  display: flex;
  margin-bottom: 32px;
  background: var(--blanc);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.activity:hover {
  transform: translateX(8px);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
}

.activity-accent {
  width: 6px;
  flex-shrink: 0;
}

.activity-content {
  padding: 48px 56px;
  flex: 1;
}

.activity-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 20px;
}

.activity-number {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 700;
  color: var(--cuivre);
  opacity: 0.4;
  line-height: 1;
}

.activity-header h3 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--noir);
}

.activity-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ardoise);
  margin-bottom: 16px;
}

.activity-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.activity-tags span {
  padding: 6px 16px;
  background: rgba(0, 133, 120, 0.08);
  color: var(--persian-green);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 2px;
}

/* =============================================
   APPROACH
   ============================================= */
.approach {
  background: var(--blanc);
}

.approach-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.approach-step {
  text-align: center;
  flex: 1;
  max-width: 260px;
  padding: 0 20px;
}

.step-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--persian-green);
  color: var(--blanc);
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: all 0.3s ease;
}

.approach-step:hover .step-circle {
  background: var(--persian-deep);
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(0, 133, 120, 0.3);
}

.approach-step h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--noir);
  margin-bottom: 12px;
}

.approach-step p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ardoise);
}

.approach-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--cuivre), var(--or));
  margin-top: 40px;
  flex-shrink: 0;
}

/* =============================================
   VISION
   ============================================= */
.vision {
  position: relative;
  padding: 120px 0;
  background: var(--noir);
  overflow: hidden;
}

.vision-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 133, 120, 0.1) 0%, transparent 70%);
}

.vision .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.vision-quote {
  max-width: 800px;
  margin: 0 auto 60px;
}

.vision-quote p {
  font-family: var(--font-body);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 300;
  color: var(--blanc);
  line-height: 1.6;
  font-style: italic;
}

.vision-values {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 1px;
}

.value-diamond {
  width: 10px;
  height: 10px;
  background: var(--cuivre);
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
  background: #FAFBFC;
}

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

.contact-info p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ardoise);
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--cuivre);
}

.contact-item span:last-child,
.contact-item a {
  font-size: 16px;
  color: var(--ardoise);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-item a:hover {
  color: var(--persian-green);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  border: 1px solid var(--gris-clair);
  background: var(--blanc);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ardoise);
  transition: border-color 0.3s ease;
  outline: none;
  border-radius: 2px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--persian-green);
}

.form-group textarea {
  resize: vertical;
}

.form-btn {
  padding: 16px 40px;
  background: var(--persian-green);
  color: var(--blanc);
  border: none;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.form-btn:hover {
  background: var(--persian-deep);
  box-shadow: 0 8px 30px rgba(0, 133, 120, 0.3);
  transform: translateY(-2px);
}

.form-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  margin-bottom: 12px;
  text-align: center;
}

.form-status.success {
  background: rgba(0, 133, 120, 0.1);
  color: var(--persian-green);
  border: 1px solid rgba(0, 133, 120, 0.3);
}

.form-status.error {
  background: rgba(220, 53, 69, 0.1);
  color: #dc3545;
  border: 1px solid rgba(220, 53, 69, 0.3);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--noir);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--blanc);
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
  font-style: italic;
}

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

.footer-links h4 {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cuivre);
  margin-bottom: 8px;
}

.footer-links a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--blanc);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background: var(--persian-green);
  color: var(--blanc);
}

.footer-bottom {
  padding-top: 32px;
  text-align: center;
}

.footer-legal {
  margin-bottom: 12px;
}

.footer-legal a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--blanc);
}

.footer-sep {
  color: rgba(255, 255, 255, 0.2);
  margin: 0 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 1px;
}

/* =============================================
   SCROLL TO TOP
   ============================================= */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--persian-green);
  color: var(--blanc);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 900;
  box-shadow: 0 4px 20px rgba(0, 133, 120, 0.3);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--persian-deep);
  transform: translateY(-2px);
}

/* =============================================
   MOBILE MENU OVERLAY
   ============================================= */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 18, 26, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hamburger animation */
.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);
}

/* =============================================
   ANIMATIONS
   ============================================= */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for grid items */
.sectors-grid [data-animate]:nth-child(1) { transition-delay: 0.05s; }
.sectors-grid [data-animate]:nth-child(2) { transition-delay: 0.1s; }
.sectors-grid [data-animate]:nth-child(3) { transition-delay: 0.15s; }
.sectors-grid [data-animate]:nth-child(4) { transition-delay: 0.2s; }
.sectors-grid [data-animate]:nth-child(5) { transition-delay: 0.25s; }
.sectors-grid [data-animate]:nth-child(6) { transition-delay: 0.3s; }
.sectors-grid [data-animate]:nth-child(7) { transition-delay: 0.35s; }
.sectors-grid [data-animate]:nth-child(8) { transition-delay: 0.4s; }

.about-stats [data-animate]:nth-child(1) { transition-delay: 0.05s; }
.about-stats [data-animate]:nth-child(2) { transition-delay: 0.15s; }
.about-stats [data-animate]:nth-child(3) { transition-delay: 0.25s; }
.about-stats [data-animate]:nth-child(4) { transition-delay: 0.35s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sector-card {
    height: 280px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 24px;
  }

  .section {
    padding: 80px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--noir);
    flex-direction: column;
    padding: 100px 40px;
    gap: 28px;
    transition: right 0.4s ease;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    z-index: 999;
  }

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

  .sectors-grid {
    grid-template-columns: 1fr;
  }
  .sector-card {
    height: 240px;
  }

  .approach-grid {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .approach-connector {
    width: 2px;
    height: 40px;
    margin: 0;
  }

  .approach-step {
    max-width: 100%;
  }

  .activity {
    flex-direction: column;
  }

  .activity-accent {
    width: 100%;
    height: 4px;
  }

  .activity-content {
    padding: 32px 24px;
  }

  .activity-header {
    flex-direction: column;
    gap: 8px;
  }

  .hero-title {
    letter-spacing: 6px;
  }

  .vision-values {
    gap: 24px;
    flex-direction: column;
    align-items: center;
  }

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

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

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

  .hero-diamond svg {
    width: 80px;
    height: 80px;
  }
}