/* ═══════════════════════════════════════
   ADIT — Éthique des Affaires
   Premium corporate one-page site
   ═══════════════════════════════════════ */

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

:root {
  --navy: #00334c;
  --navy-deep: #001f2e;
  --navy-mid: #0a4060;
  --gold: #c9a84c;
  --gold-light: #d4bb6f;
  --gold-faint: rgba(201, 168, 76, 0.12);
  --white: #ffffff;
  --off-white: #f7f8fa;
  --gray-100: #eef0f3;
  --gray-200: #dde1e7;
  --gray-400: #9aa5b4;
  --gray-600: #5a6a7a;
  --text: #1a2a3a;
  --text-light: #4a5a6a;
  --header-height: 90px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Barlow', sans-serif;
  line-height: 1.15;
  color: var(--navy);
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* ─── Scroll Progress Bar ─── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  z-index: 10000;
  width: 0%;
  transition: width 0.1s linear;
}

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.header::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 0;
  background: var(--white);
  transition: height 0.4s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  z-index: 0;
  box-shadow: 0 1px 30px rgba(0, 0, 0, 0.08);
}

.header.scrolled::before {
  height: 100%;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 60px;
  position: relative;
  z-index: 1;
}

.logo-img {
  height: 65px;
  width: auto;
  transition: filter 0.4s ease;
}

.header:not(.scrolled) .logo-img {
  filter: brightness(0) invert(1);
}

.nav-list {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-link {
  font-family: 'Barlow', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  transition: color 0.3s ease;
  position: relative;
}

.header.scrolled .nav-link {
  color: var(--navy);
}

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

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

.lang-switch {
  display: flex;
  gap: 8px;
  font-family: 'Barlow', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
}

.lang-switch a {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s;
}

.lang-switch a.active { color: var(--white); }
.header.scrolled .lang-switch a { color: var(--gray-400); }
.header.scrolled .lang-switch a.active { color: var(--navy); }

/* ─── Mobile Menu Toggle ─── */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.header.scrolled .menu-toggle span {
  background: var(--navy);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy-deep);
  overflow: hidden;
}

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

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(10, 64, 96, 0.6) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 20% 80%, rgba(201, 168, 76, 0.08) 0%, transparent 50%),
    linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 50%, var(--navy-mid) 100%);
}

.hero-map {
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 1200px;
  opacity: 0.06;
}

.hero-map img {
  width: 100%;
  filter: brightness(0) invert(1);
}

/* Animated geometric elements */
.hero-geo {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.geo-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(201, 168, 76, 0.15);
  animation: geo-rotate 30s linear infinite;
}

.geo-circle:nth-child(1) {
  width: 500px; height: 500px;
  top: 10%; right: -5%;
}

.geo-circle:nth-child(2) {
  width: 350px; height: 350px;
  top: 15%; right: 0%;
  animation-duration: 25s;
  animation-direction: reverse;
  border-color: rgba(201, 168, 76, 0.08);
}

.geo-circle:nth-child(3) {
  width: 180px; height: 180px;
  top: 25%; right: 8%;
  animation-duration: 20s;
}

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

.geo-dot {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: geo-pulse 4s ease-in-out infinite;
}

.geo-dot:nth-child(4) { top: 20%; right: 15%; animation-delay: 0s; }
.geo-dot:nth-child(5) { top: 35%; right: 5%; animation-delay: 1s; }
.geo-dot:nth-child(6) { top: 50%; right: 20%; animation-delay: 2s; }
.geo-dot:nth-child(7) { top: 15%; right: 25%; animation-delay: 0.5s; }
.geo-dot:nth-child(8) { top: 65%; right: 10%; animation-delay: 3s; }

@keyframes geo-pulse {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 0.8; transform: scale(1); }
}

/* Floating particles */
.hero-particles {
  position: absolute;
  inset: 0;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  animation: particle-float linear infinite;
}

@keyframes particle-float {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 60px;
  width: 100%;
}

.hero-overline {
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(20px);
}

.hero-title {
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1.0;
  margin-bottom: 28px;
  opacity: 0;
  transform: translateY(30px);
}

.hero-title span {
  display: block;
  background: linear-gradient(135deg, var(--white) 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.6);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(20px);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--white);
  padding: 18px 40px;
  border: 1.5px solid var(--gold);
  background: transparent;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(20px);
  cursor: pointer;
}

.hero-cta:hover {
  background: var(--gold);
  color: var(--navy-deep);
}

.hero-cta .arrow {
  transition: transform 0.3s ease;
}

.hero-cta:hover .arrow {
  transform: translateX(6px);
}

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

.hero-scroll-indicator span {
  font-family: 'Barlow', sans-serif;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
}

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

@keyframes scroll-bounce {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.3; }
}

/* ─── Reveal Animation ─── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

/* ─── Section Base ─── */
.section {
  padding: 120px 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.section-overline {
  font-family: 'Barlow', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-light);
  max-width: 600px;
  line-height: 1.8;
}

.gold-line {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin-top: 24px;
}

/* ─── Expertise Section ─── */
.expertise {
  background: var(--off-white);
}

.expertise-header {
  text-align: center;
  margin-bottom: 80px;
}

.expertise-header .section-desc {
  margin: 0 auto;
}

.expertise-header .gold-line {
  margin: 24px auto 0;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.expertise-card {
  background: var(--white);
  padding: 44px 32px;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s ease;
  border: 1px solid var(--gray-100);
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.expertise-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 51, 76, 0.1);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.expertise-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.expertise-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ─── Stats Band ─── */
.stats-band {
  background: var(--navy-deep);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(10, 64, 96, 0.3) 0%, transparent 60%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
  z-index: 1;
}

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

.stat-diamond {
  color: var(--gold);
  font-size: 10px;
  display: block;
  margin-bottom: 14px;
}

.stat-number {
  font-family: 'Barlow', sans-serif;
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 10px;
}

.stat-number .counter-prefix {
  color: var(--gold);
  font-weight: 300;
}

.stat-label {
  font-family: 'Barlow', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

/* ─── Approach Section ─── */
.approach {
  position: relative;
}

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

.approach-left {
  position: sticky;
  top: 140px;
}

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}

.timeline-progress {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--gold);
  transition: height 0.6s ease;
}

.timeline-step {
  position: relative;
  padding-bottom: 50px;
}

.timeline-step:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -46px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  background: var(--white);
  transition: border-color 0.4s ease, background 0.4s ease;
}

.timeline-step.active .timeline-dot {
  border-color: var(--gold);
  background: var(--gold);
}

.timeline-step h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.timeline-step .step-num {
  font-family: 'Barlow', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--gold);
  margin-bottom: 8px;
  display: block;
}

.timeline-step p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ─── Values Marquee ─── */
.values-band {
  background: var(--navy);
  padding: 28px 0;
  overflow: hidden;
}

.values-scroll {
  display: flex;
  gap: 0;
  animation: marquee 20s linear infinite;
  white-space: nowrap;
}

.values-scroll:hover {
  animation-play-state: paused;
}

.value-word {
  font-family: 'Barlow', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  padding: 0 20px;
  flex-shrink: 0;
}

.value-diamond {
  color: var(--gold);
  font-size: 8px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  flex-shrink: 0;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Engagement Section ─── */
.engagement {
  background: var(--off-white);
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.engagement-card {
  padding: 40px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  position: relative;
  transition: border-color 0.3s ease;
}

.engagement-card:hover {
  border-color: var(--gold);
}

.engagement-card h3 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.engagement-card h3::before {
  content: '\25C6';
  color: var(--gold);
  font-size: 8px;
}

.engagement-card p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ─── Contact Section ─── */
.contact {
  background: var(--white);
}

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

.contact-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
}

.contact-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.contact-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(0, 31, 46, 0.6), transparent);
}

.contact-form-wrapper h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-form-wrapper .section-desc {
  margin-bottom: 40px;
}

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

.form-group {
  margin-bottom: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  border: 1px solid var(--gray-200);
  background: var(--off-white);
  color: var(--text);
  transition: border-color 0.3s ease, background 0.3s ease;
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  font-family: 'Barlow', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray-400);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text-light);
}

.form-checkbox input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--gold);
}

.form-checkbox a {
  color: var(--gold);
  text-decoration: underline;
}

.btn-submit {
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--white);
  background: var(--navy);
  border: none;
  padding: 18px 48px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn-submit:hover {
  background: var(--gold);
}

/* ─── Active Nav Link ─── */
.nav-link.active {
  color: var(--gold);
}

.header.scrolled .nav-link.active {
  color: var(--gold);
}

/* ─── Inner Page Header (always has bg) ─── */
.header--inner::before {
  height: 100%;
}

.header--inner .nav-link {
  color: var(--navy);
}

.header--inner .nav-link.active {
  color: var(--gold);
}

.header.header--inner .logo-img {
  filter: none;
}

.header--inner .lang-switch a {
  color: var(--gray-400);
}

.header--inner .lang-switch a.active {
  color: var(--navy);
}

.header--inner .menu-toggle span {
  background: var(--navy);
}

/* ─── Page Hero (inner pages) ─── */
.page-hero {
  position: relative;
  padding: 180px 0 100px;
  background: var(--navy-deep);
  overflow: hidden;
}

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

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero-title {
  font-size: clamp(40px, 6vw, 72px);
}

/* ─── Expertise Detail Page ─── */
.expertise-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.expertise-detail-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 40px;
  align-items: start;
  padding: 50px;
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  transition: border-color 0.3s ease;
}

.expertise-detail-card:hover {
  border-color: var(--gold);
}

.expertise-detail-icon {
  width: 64px;
  height: 64px;
}

.expertise-detail-icon svg {
  width: 100%;
  height: 100%;
}

.expertise-detail-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

.expertise-detail-content p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}

.expertise-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 30px;
  list-style: none;
}

.expertise-list li {
  font-size: 14px;
  color: var(--text-light);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.expertise-list li::before {
  content: '\25C6';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 8px;
  top: 4px;
}

/* ─── Contact Info Panel ─── */
.contact-info-panel {
  display: flex;
  flex-direction: column;
}

.contact-info-block {
  margin-bottom: 32px;
}

.contact-info-block h3 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.contact-info-block p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ─── CTA Band ─── */
.cta-band {
  background: var(--off-white);
}

/* ─── Footer ─── */
.footer {
  background: var(--navy-deep);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo-img {
  height: 55px;
  filter: brightness(0) invert(1);
  margin-bottom: 20px;
}

.footer-address {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.8;
  margin-bottom: 16px;
}

.footer-address strong {
  color: rgba(255, 255, 255, 0.7);
}

.footer-email {
  font-size: 14px;
  color: var(--gold);
  transition: opacity 0.3s;
}

.footer-email:hover { opacity: 0.7; }

.footer-nav-title {
  font-family: 'Barlow', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 20px;
}

.footer-nav li {
  margin-bottom: 12px;
}

.footer-nav a {
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 1px;
  transition: color 0.3s;
}

.footer-nav a:hover { color: var(--gold); }

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.25);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.35);
  transition: color 0.3s;
}

.footer-bottom a:hover { color: var(--gold); }

.footer-legal {
  display: flex;
  gap: 24px;
}

/* ─── Responsive: Tablet ─── */
@media (max-width: 1024px) {
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-layout { grid-template-columns: 1fr; gap: 60px; }
  .approach-left { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-image { max-height: 400px; }
  .expertise-detail-card { grid-template-columns: 1fr; gap: 24px; }
  .expertise-detail-icon { width: 56px; height: 56px; }
  .expertise-list { grid-template-columns: 1fr; }
}

/* ─── Responsive: Mobile ─── */
@media (max-width: 768px) {
  .header-inner { padding: 0 24px; }

  .menu-toggle { display: flex; order: 3; margin-left: auto; }

  .nav-list {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--navy-deep);
    padding: 100px 40px 40px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
  }

  .nav-list.open {
    transform: translateX(0);
  }

  .nav-list .nav-link {
    color: var(--white);
    font-size: 15px;
    letter-spacing: 3px;
  }

  .header.scrolled .nav-list .nav-link {
    color: var(--white);
  }

  .nav-list .lang-switch a {
    color: rgba(255, 255, 255, 0.5);
  }

  .nav-list .lang-switch a.active {
    color: var(--white);
  }

  .header.scrolled .nav-list .lang-switch a {
    color: rgba(255, 255, 255, 0.5);
  }

  .header.scrolled .nav-list .lang-switch a.active {
    color: var(--white);
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
  }

  .mobile-overlay.active {
    display: block;
  }

  .page-hero { padding: 140px 0 70px; }
  .hero-content { padding: 0 24px; }
  .container { padding: 0 24px; }
  .section { padding: 80px 0; }
  .expertise-detail-card { padding: 32px 24px; }
  .expertise-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .engagement-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-legal { flex-wrap: wrap; justify-content: center; }
}

/* ─── Responsive: Small phones ─── */
@media (max-width: 480px) {
  :root { --header-height: 70px; }

  .logo-img { height: 50px; }

  .hero-content { padding: 0 20px; }
  .container { padding: 0 20px; }
  .section { padding: 60px 0; }

  .hero-title { margin-bottom: 20px; }
  .hero-subtitle { margin-bottom: 36px; }
  .hero-cta { padding: 16px 32px; font-size: 12px; letter-spacing: 2px; }

  .expertise-card { padding: 32px 24px; }
  .expertise-header { margin-bottom: 50px; }

  .stats-band { padding: 60px 0; }
  .stat-label { font-size: 11px; letter-spacing: 2px; }

  .engagement-card { padding: 28px 24px; }

  .contact-form-wrapper h2 { font-size: 28px; }
  .btn-submit { width: 100%; text-align: center; }
}
