/* ========================================
   SENS ET TERRITOIRE - REDESIGN "TERRE VIVANTE"
   ======================================== */

/* 1. CUSTOM PROPERTIES */
:root {
  /* Nature palette */
  --color-canopy: #1b4332;
  --color-moss: #2d6a4f;
  --color-fern: #52b788;
  --color-sage: #95d5b2;
  --color-bark: #5c4033;
  --color-terracotta: #a0522d;
  --color-amber: #d4a574;
  --color-spore: #8b6914;

  /* Neutrals */
  --color-parchment: #faf7f2;
  --color-linen: #f0ede5;
  --color-stone: #e8e0d4;
  --color-charcoal: #2b2b2b;
  --color-graphite: #555555;
  --color-white: #ffffff;

  /* Typography */
  --font-heading: "DM Serif Display", serif;
  --font-body: "Source Sans 3", sans-serif;
  --font-ui: "DM Sans", sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(27, 67, 50, 0.06);
  --shadow-md: 0 4px 16px rgba(27, 67, 50, 0.1);
  --shadow-lg: 0 8px 32px rgba(27, 67, 50, 0.12);
  --shadow-xl: 0 16px 48px rgba(27, 67, 50, 0.16);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
}

/* 2. RESET & BASE */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-charcoal);
  background-color: var(--color-parchment);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

/* 3. TYPOGRAPHY */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-charcoal);
}

h1 {
  font-size: 4rem;
}
h2 {
  font-size: 2.75rem;
}
h3 {
  font-size: 1.6rem;
}
h4 {
  font-size: 1.25rem;
}

/* 4. LAYOUT UTILITIES */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xs);
  color: var(--color-canopy);
}

.section-subtitle {
  text-align: center;
  color: var(--color-graphite);
  margin-bottom: var(--spacing-lg);
  font-size: 1.15rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 5. COMPONENTS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.25rem;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  letter-spacing: 0.3px;
}

.btn-primary {
  background-color: var(--color-canopy);
  color: var(--color-white);
  border-color: var(--color-canopy);
}

.btn-primary:hover {
  background-color: var(--color-moss);
  border-color: var(--color-moss);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27, 67, 50, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-canopy);
  border-color: var(--color-canopy);
}

.btn-secondary:hover {
  background-color: var(--color-canopy);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-white {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(4px);
}

.btn-white:hover {
  background-color: var(--color-white);
  color: var(--color-canopy);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-canopy);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.link-arrow::after {
  content: "\2192";
  transition: transform var(--transition-fast);
  display: inline-block;
}

.link-arrow:hover {
  color: var(--color-fern);
  gap: 0.75rem;
}

.link-arrow:hover::after {
  transform: translateX(4px);
}

/* 6. HEADER & NAVIGATION */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: transparent;
  height: 80px;
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(27, 67, 50, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  height: 64px;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
}

.logo a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-white);
  transition: opacity var(--transition-fast);
}

.logo a:hover {
  opacity: 0.85;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-menu a {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 0.5rem 0;
  letter-spacing: 0.3px;
  transition: color var(--transition-fast);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-fern);
  transition: width var(--transition-normal);
  border-radius: 1px;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-white);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger span {
  width: 28px;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-normal);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* 7. HERO SECTION */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-canopy);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 115%;
  object-fit: cover;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    160deg,
    rgba(27, 67, 50, 0.75) 0%,
    rgba(27, 67, 50, 0.45) 50%,
    rgba(45, 106, 79, 0.55) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  text-align: center;
  color: var(--color-white);
  z-index: 2;
  padding: var(--spacing-md);
  max-width: 800px;
}

.hero-content h1 {
  font-size: 5rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
  animation: fadeInUp 1s ease-out;
}

.hero-tagline {
  font-size: 1.35rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.92;
  font-weight: 400;
  line-height: 1.6;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%,
  100% {
    opacity: 0.4;
    transform: scaleY(0.8);
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

/* 8. HOMEPAGE SECTIONS */

/* Mission */
.mission {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-parchment);
  position: relative;
}

.mission-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
}

.mission-content p {
  font-size: 1.2rem;
  color: var(--color-graphite);
  line-height: 1.8;
}

.mission-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: 700px;
  margin: 0 auto;
}

.mission-stat {
  text-align: center;
  padding: var(--spacing-md) var(--spacing-sm);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.mission-stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.mission-stat .stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--color-canopy);
  margin-bottom: 0.25rem;
}

.mission-stat .stat-label {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--color-graphite);
  font-weight: 500;
}

/* Expertises Home */
.expertises-home {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-linen);
  position: relative;
}

.wave-divider {
  position: absolute;
  top: -60px;
  left: 0;
  width: 100%;
  height: 60px;
  overflow: hidden;
}

.wave-divider svg {
  width: 100%;
  height: 100%;
  display: block;
}

.expertises-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.expertise-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.expertise-card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.expertise-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.expertise-card-content {
  padding: 1.5rem;
}

.expertise-card-content h3 {
  color: var(--color-canopy);
  margin-bottom: 0.5rem;
  font-size: 1.35rem;
}

.expertise-card-content p {
  color: var(--color-graphite);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

/* Videos Home */
.videos-home {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-canopy);
  position: relative;
  overflow: hidden;
}

.videos-home::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("/assets/images/hero/hero-accueil.jpg") center/cover;
  opacity: 0.08;
}

.videos-home .section-title {
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

.videos-home .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  z-index: 1;
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.video-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.video-thumbnail {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background-color: rgba(0, 0, 0, 0.2);
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.video-card:hover .video-thumbnail img {
  transform: scale(1.1);
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  background-color: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.play-button svg {
  width: 20px;
  height: 20px;
  color: var(--color-canopy);
  margin-left: 3px;
}

.video-card:hover .play-button {
  background-color: var(--color-fern);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-card:hover .play-button svg {
  color: var(--color-white);
}

.video-info {
  padding: 1rem 1.25rem;
}

.video-info h3 {
  font-size: 1rem;
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.video-info p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.more-videos {
  text-align: center;
  margin-top: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

/* Projects Home */
.projects-home {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-parchment);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  aspect-ratio: 4/5;
}

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

.project-card-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.project-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 1.5rem;
  background: linear-gradient(
    to top,
    rgba(27, 67, 50, 0.95) 0%,
    rgba(27, 67, 50, 0.4) 60%,
    transparent 100%
  );
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
}

.project-tag {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  background: rgba(82, 183, 136, 0.25);
  border: 1px solid rgba(82, 183, 136, 0.5);
  color: var(--color-white);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  width: fit-content;
}

.project-card-overlay h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.project-card-overlay p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  line-height: 1.5;
}

.more-projects {
  text-align: center;
  margin-top: var(--spacing-lg);
}

/* About Preview */
.about-preview {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-linen);
}

.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-preview-image {
  position: relative;
}

.about-preview-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-preview-image::after {
  content: "";
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  right: -1.5rem;
  bottom: -1.5rem;
  border: 2px solid var(--color-fern);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-preview-content .section-title {
  text-align: left;
  margin-bottom: var(--spacing-sm);
}

.about-preview-content .about-quote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--color-moss);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
  padding-left: 1.5rem;
  border-left: 3px solid var(--color-fern);
}

.about-preview-content .about-text {
  color: var(--color-graphite);
  font-size: 1.05rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

/* 9. FOOTER */
.site-footer {
  background-color: var(--color-bark);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(82, 183, 136, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-links h4,
.footer-contact h4,
.footer-partners h4 {
  color: var(--color-white);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.footer-links ul li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.footer-contact p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.partner-links li {
  margin-bottom: 0.6rem;
}

.partner-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.partner-links a:hover {
  color: var(--color-fern);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
}

/* 10. PAGE HEADERS (inner pages) */
.page-header {
  position: relative;
  padding: calc(var(--spacing-xl) + 80px) 0 var(--spacing-lg);
  text-align: center;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: center;
}

.page-header-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.page-header-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-header-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    160deg,
    rgba(27, 67, 50, 0.88) 0%,
    rgba(45, 106, 79, 0.75) 100%
  );
  z-index: 1;
}

.page-header .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
  font-size: 3.5rem;
}

.page-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.2rem;
}

/* 11. ABOUT PAGE */
.about-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-parchment);
}

.about-block {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.about-block-image {
  position: relative;
}

.about-block-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-block-image::after {
  content: "";
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: -1rem;
  bottom: -1rem;
  border: 2px solid var(--color-sage);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-block-content h2 {
  color: var(--color-canopy);
  margin-bottom: 0.25rem;
}

.about-role {
  font-family: var(--font-ui);
  font-size: 1.05rem;
  color: var(--color-fern);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.about-block-content p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-graphite);
  line-height: 1.7;
}

.about-list {
  margin-top: var(--spacing-sm);
}

.about-list li {
  padding: 0.6rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--color-graphite);
  line-height: 1.6;
}

.about-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 8px;
  height: 8px;
  background-color: var(--color-fern);
  border-radius: 50%;
}

/* About Reverse */
.about-block-reverse {
  grid-template-columns: 3fr 2fr;
}

.about-block-reverse .about-block-image {
  order: 2;
}

.about-block-reverse .about-block-content {
  order: 1;
}

/* Philosophy pillars */
.philosophy-pillars {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.pillar {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border-top: 3px solid var(--color-fern);
}

.pillar:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pillar-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-canopy), var(--color-moss));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.pillar h3 {
  color: var(--color-canopy);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.pillar p {
  color: var(--color-graphite);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Stats */
.about-stats {
  background: linear-gradient(
    135deg,
    var(--color-canopy) 0%,
    var(--color-moss) 100%
  );
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.about-stats h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-white);
}

.stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  font-family: var(--font-ui);
}

/* Zones */
.about-zones {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-xl);
}

.about-zones h2 {
  color: var(--color-canopy);
  margin-bottom: var(--spacing-sm);
}

.about-zones > p {
  max-width: 700px;
  margin: 0 auto var(--spacing-md);
  color: var(--color-graphite);
}

.zones-list {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.zone-tag {
  padding: 0.6rem 1.75rem;
  background: linear-gradient(135deg, var(--color-canopy), var(--color-moss));
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-normal);
}

.zone-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(27, 67, 50, 0.3);
}

/* 12. EXPERTISES PAGE */
.expertises-page {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-parchment);
}

.expertise-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-stone);
}

.expertise-detail:last-of-type {
  border-bottom: none;
}

.expertise-detail-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.expertise-detail-image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-slow);
}

.expertise-detail-image:hover img {
  transform: scale(1.03);
}

.expertise-detail-content h2 {
  color: var(--color-canopy);
  margin-bottom: 0.25rem;
}

.expertise-tagline {
  font-family: var(--font-ui);
  font-size: 1.05rem;
  color: var(--color-fern);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.expertise-detail-content p {
  color: var(--color-graphite);
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.expertise-detail-content h3 {
  color: var(--color-charcoal);
  font-family: var(--font-ui);
  font-weight: 600;
  margin: var(--spacing-md) 0 var(--spacing-sm);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.expertise-list li {
  padding: 0.5rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--color-graphite);
  line-height: 1.6;
}

.expertise-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 8px;
  height: 8px;
  background-color: var(--color-fern);
  border-radius: 50%;
}

/* Reverse layout */
.expertise-detail-reverse {
  direction: rtl;
}
.expertise-detail-reverse > * {
  direction: ltr;
}

/* Other expertises */
.other-expertises {
  margin-top: var(--spacing-xl);
}

.other-expertises h2 {
  text-align: center;
  color: var(--color-canopy);
  margin-bottom: var(--spacing-lg);
}

.other-expertises-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.other-expertise-card {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  text-align: center;
  border-top: 3px solid var(--color-fern);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.other-expertise-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.other-expertise-card h3 {
  color: var(--color-canopy);
  margin-bottom: var(--spacing-xs);
  font-size: 1.15rem;
}

.other-expertise-card p {
  color: var(--color-graphite);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 13. PROJECTS PAGE */
.projects-page {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-parchment);
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.65rem 1.5rem;
  border: 2px solid var(--color-stone);
  background-color: var(--color-white);
  color: var(--color-graphite);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-normal);
}

.filter-btn:hover {
  border-color: var(--color-canopy);
  color: var(--color-canopy);
}

.filter-btn.active {
  background-color: var(--color-canopy);
  border-color: var(--color-canopy);
  color: var(--color-white);
}

.projects-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.project-detail {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 0;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.project-detail:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.project-detail:nth-child(even) {
  direction: rtl;
}
.project-detail:nth-child(even) > * {
  direction: ltr;
}

.project-detail-image {
  position: relative;
  min-height: 320px;
}

.project-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-label {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  padding: 0.4rem 1rem;
  background: rgba(27, 67, 50, 0.9);
  backdrop-filter: blur(4px);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.project-detail-content {
  padding: var(--spacing-md) 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-detail-content h2 {
  color: var(--color-canopy);
  margin-bottom: 0.25rem;
  font-size: 2rem;
}

.project-dates {
  color: var(--color-fern);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.project-detail-content > p {
  color: var(--color-graphite);
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.project-detail-content h3 {
  color: var(--color-charcoal);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: var(--spacing-sm) 0 var(--spacing-xs);
}

.project-detail-content ul {
  list-style: none;
  padding-left: 0;
  color: var(--color-graphite);
  margin-bottom: var(--spacing-sm);
}

.project-detail-content ul li {
  padding: 0.3rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.project-detail-content ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 6px;
  height: 6px;
  background-color: var(--color-fern);
  border-radius: 50%;
}

.project-detail.hidden {
  display: none;
}

/* 14. RESOURCES PAGE */
.ressources-page {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-parchment);
}

.ressource-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.ressources-section {
  margin-bottom: var(--spacing-xl);
}

.ressources-section h2 {
  text-align: center;
  color: var(--color-canopy);
  margin-bottom: var(--spacing-lg);
}

.videos-showcase {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-md);
}

.video-featured {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.video-featured:hover {
  box-shadow: var(--shadow-lg);
}

.video-featured-player {
  position: relative;
  aspect-ratio: 16/9;
}

.video-featured-player img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-button-large {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.play-button-large:hover {
  background-color: var(--color-fern);
  transform: translate(-50%, -50%) scale(1.1);
}

.play-button-large svg {
  width: 28px;
  height: 28px;
  color: var(--color-canopy);
  margin-left: 4px;
}

.play-button-large:hover svg {
  color: var(--color-white);
}

.video-featured-info {
  padding: 1.5rem;
}

.video-featured-info h3 {
  color: var(--color-canopy);
  margin-bottom: 0.5rem;
}

.video-featured-info p {
  color: var(--color-graphite);
  line-height: 1.6;
}

.videos-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.video-mini {
  display: flex;
  gap: var(--spacing-sm);
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.video-mini:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.video-mini-thumb {
  position: relative;
  width: 140px;
  flex-shrink: 0;
}

.video-mini-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-duration {
  position: absolute;
  bottom: 0.4rem;
  right: 0.4rem;
  padding: 0.15rem 0.5rem;
  background-color: rgba(0, 0, 0, 0.8);
  color: var(--color-white);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.video-mini-info {
  padding: 0.75rem 0.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.video-mini-info h4 {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 0.25rem;
}

.video-mini-info p {
  font-size: 0.8rem;
  color: var(--color-graphite);
}

/* Publications */
.publications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.publication-card {
  display: flex;
  gap: var(--spacing-sm);
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.publication-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.publication-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-canopy), var(--color-moss));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.publication-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-white);
}

.publication-info h3 {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 0.5rem;
}

.publication-info p {
  font-size: 0.85rem;
  color: var(--color-graphite);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.publication-year {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-fern);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Outils */
.outils-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.outil-card {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.outil-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.outil-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-canopy), var(--color-moss));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.outil-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.outil-card h3 {
  color: var(--color-canopy);
  margin-bottom: var(--spacing-xs);
  font-size: 1.15rem;
}

.outil-card p {
  color: var(--color-graphite);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

/* 15. CONTACT PAGE */
.contact-page {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-parchment);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.contact-info h2 {
  color: var(--color-canopy);
  margin-bottom: var(--spacing-sm);
}

.contact-info > p {
  color: var(--color-graphite);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.contact-details {
  display: grid;
  gap: 1.25rem;
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-canopy), var(--color-moss));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-white);
}

.contact-text h3 {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 0.15rem;
}

.contact-text p {
  color: var(--color-graphite);
  font-size: 0.9rem;
}

.social-links h3 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: var(--spacing-sm);
}

.social-icons {
  display: flex;
  gap: 0.75rem;
}

.social-icon {
  width: 44px;
  height: 44px;
  background: var(--color-white);
  border: 1px solid var(--color-stone);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.social-icon:hover {
  background: linear-gradient(135deg, var(--color-canopy), var(--color-moss));
  border-color: transparent;
}

.social-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-canopy);
  transition: color var(--transition-normal);
}

.social-icon:hover svg {
  color: var(--color-white);
}

.contact-form-wrapper {
  background: var(--color-white);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.contact-form-wrapper h2 {
  color: var(--color-canopy);
  margin-bottom: var(--spacing-md);
  text-align: center;
  font-size: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-charcoal);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: none;
  border-bottom: 2px solid var(--color-stone);
  background-color: var(--color-parchment);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-charcoal);
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-bottom-color: var(--color-fern);
  box-shadow: 0 2px 0 0 var(--color-fern);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-graphite);
  opacity: 0.5;
}

.contact-form button {
  width: 100%;
  margin-top: var(--spacing-sm);
  padding: 1rem;
  font-size: 1rem;
}

.contact-map {
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 350px;
  box-shadow: var(--shadow-md);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-linen);
  color: var(--color-graphite);
}

/* 16. ANIMATIONS */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger children */
.stagger-children > *:nth-child(1) {
  transition-delay: 0s;
}
.stagger-children > *:nth-child(2) {
  transition-delay: 0.12s;
}
.stagger-children > *:nth-child(3) {
  transition-delay: 0.24s;
}
.stagger-children > *:nth-child(4) {
  transition-delay: 0.36s;
}

/* VIDEO LIGHTBOX */
.video-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.lightbox-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
}

.lightbox-content {
  position: relative;
  width: 90%;
  max-width: 900px;
  z-index: 1;
}

.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.lightbox-close:hover {
  transform: scale(1.2);
  color: var(--color-fern);
}

.lightbox-video {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: #000;
}

.lightbox-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.lightbox-title {
  color: var(--color-white);
  text-align: center;
  margin-top: var(--spacing-sm);
  font-size: 1.2rem;
}

/* 17. RESPONSIVE */
@media (max-width: 1024px) {
  .videos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .expertises-grid,
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .videos-showcase {
    grid-template-columns: 1fr;
  }
  .publications-grid,
  .outils-grid,
  .other-expertises-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.75rem;
  }
  h2 {
    font-size: 2rem;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: linear-gradient(
      180deg,
      var(--color-canopy) 0%,
      var(--color-moss) 100%
    );
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-normal);
    padding: var(--spacing-lg);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu a {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
  }

  .hero-content h1 {
    font-size: 3rem;
  }
  .hero-tagline {
    font-size: 1.1rem;
  }

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

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

  .about-preview-image {
    order: -1;
  }
  .about-preview-image::after {
    display: none;
  }

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

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

  .about-block-reverse .about-block-image {
    order: -1;
  }
  .about-block-reverse .about-block-content {
    order: 0;
  }

  .about-block-image::after {
    display: none;
  }

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

  .expertise-detail {
    grid-template-columns: 1fr;
  }

  .expertise-detail-reverse {
    direction: ltr;
  }

  .project-detail {
    grid-template-columns: 1fr;
  }

  .project-detail:nth-child(even) {
    direction: ltr;
  }

  .project-detail-image {
    min-height: 220px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-icons,
  .zones-list {
    justify-content: center;
  }

  .publications-grid,
  .outils-grid,
  .other-expertises-grid {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    font-size: 2.5rem;
  }

  .project-card {
    aspect-ratio: 3/4;
  }

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

@media (max-width: 480px) {
  h1 {
    font-size: 2.25rem;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

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

/* Smooth scroll target offset */
[id] {
  scroll-margin-top: 90px;
}