/* ============================================
   TCL International Certification Co., Ltd.
   Global Stylesheet
   ============================================ */

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

:root {
  /* Brand Colors */
  --navy:       #0B1D3A;
  --navy-light: #132D5E;
  --blue:       #1B5EAB;
  --blue-light: #2A7DE1;
  --accent:     #D4A853;      /* Gold accent for trust */
  --accent-hover: #C49643;
  --white:      #FFFFFF;
  --off-white:  #F7F8FA;
  --gray-100:   #F0F2F5;
  --gray-200:   #E1E4EA;
  --gray-300:   #C5CAD3;
  --gray-500:   #6B7280;
  --gray-700:   #374151;
  --gray-900:   #111827;
  --success:    #10B981;
  --danger:     #EF4444;

  /* Typography */
  --font-main: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Inter', 'Noto Sans KR', sans-serif;

  /* Spacing */
  --section-py: 100px;
  --container-max: 1200px;
  --nav-height: 80px;

  /* Transitions */
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: var(--font-main);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  color: var(--gray-700);
  line-height: 1.8;
}

.text-accent { color: var(--accent); }
.text-blue   { color: var(--blue); }
.text-navy   { color: var(--navy); }
.text-white  { color: var(--white); }
.text-center { text-align: center; }

/* ---------- Section ---------- */
.section {
  padding: var(--section-py) 0;
}

.section--gray {
  background: var(--off-white);
}

.section--navy {
  background: var(--navy);
}

.section--navy h2,
.section--navy h3,
.section--navy p {
  color: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--blue);
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.section--navy .section-header .label {
  color: var(--accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-main);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27, 94, 171, 0.3);
}

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

.btn--accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 168, 83, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}

.btn--outline:hover {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn--outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--gray-300);
}

.btn--outline-dark:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn--lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition);
  background: transparent;
}

.nav.scrolled {
  background: rgba(11, 29, 58, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.nav.nav--solid {
  background: var(--navy);
}

.nav.nav--solid.scrolled {
  background: rgba(11, 29, 58, 0.97);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--white);
  white-space: nowrap;
}

.nav__logo-icon {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.5px;
}

.nav__logo-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.5px;
  margin-top: 2px;
}

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

.nav__links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__cta {
  margin-left: 12px;
}

.nav__cta .btn {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav__toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, var(--blue) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(27, 94, 171, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(212, 168, 83, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero__grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero__content {
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  padding: 8px 20px;
  margin-bottom: 32px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero__badge i {
  font-size: 0.7rem;
}

.hero h1 {
  color: var(--white);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero__sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero__btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 48px;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero__stat {
  text-align: left;
}

.hero__stat-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}

.hero__stat-num span {
  color: var(--accent);
  font-size: 1.5rem;
}

.hero__stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  font-weight: 400;
}

/* ---------- Page Header (Sub pages) ---------- */
.page-header {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at 100% 50%, rgba(27, 94, 171, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

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

.page-header__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.page-header__breadcrumb a {
  color: rgba(255,255,255,0.5);
}

.page-header__breadcrumb a:hover {
  color: var(--accent);
}

.page-header__breadcrumb i {
  font-size: 0.6rem;
}

.page-header h1 {
  color: var(--white);
  font-size: 2.8rem;
  margin-bottom: 16px;
}

.page-header p {
  color: rgba(255,255,255,0.6);
  font-size: 1.1rem;
  max-width: 560px;
}

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border-radius: 12px;
  padding: 36px 32px;
  transition: all var(--transition);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(11, 29, 58, 0.1);
  border-color: transparent;
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--white);
  background: var(--blue);
}

.card__icon--accent { background: var(--accent); }
.card__icon--navy   { background: var(--navy); }

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.card p {
  font-size: 0.92rem;
  line-height: 1.7;
}

.card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue);
  margin-bottom: 16px;
}

/* ---------- Grid Layouts ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

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

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stats-bar__item {
  text-align: center;
  padding: 40px 24px;
  border-right: 1px solid rgba(255,255,255,0.1);
}

.stats-bar__item:last-child {
  border-right: none;
}

.stats-bar__num {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}

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

.stats-bar__label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

/* ---------- About / CEO ---------- */
.ceo-section {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.ceo-visual {
  position: relative;
}

.ceo-visual__card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-radius: 16px;
  padding: 48px 40px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.ceo-visual__card::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.12), transparent 70%);
  pointer-events: none;
}

.ceo-visual__icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(212, 168, 83, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 24px;
}

.ceo-visual__card h3 {
  color: var(--white);
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.ceo-visual__card .title {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.ceo-visual__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.ceo-visual__tag {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
}

.ceo-info h2 {
  margin-bottom: 20px;
}

.ceo-info p {
  margin-bottom: 16px;
  font-size: 0.98rem;
}

.ceo-info__list {
  margin-top: 24px;
}

.ceo-info__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.ceo-info__list li i {
  color: var(--blue);
  margin-top: 4px;
  font-size: 0.8rem;
}

/* ---------- Values ---------- */
.value-card {
  text-align: center;
  padding: 48px 32px;
}

.value-card__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
  color: var(--blue);
  transition: all var(--transition);
}

.value-card:hover .value-card__icon {
  background: var(--blue);
  color: var(--white);
  transform: scale(1.05);
}

.value-card h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.value-card p {
  font-size: 0.9rem;
}

/* ---------- Service Cards ---------- */
.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 0;
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(11, 29, 58, 0.1);
  border-color: transparent;
}

.service-card__top {
  padding: 28px 28px 0;
  display: flex;
  align-items: center;
  gap: 16px;
}

.service-card__num {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--gray-200);
  line-height: 1;
}

.service-card__top h3 {
  font-size: 1.15rem;
}

.service-card__top .iso {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
  margin-top: 2px;
}

.service-card__body {
  padding: 20px 28px 28px;
}

.service-card__body p {
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-card__tag {
  background: var(--gray-100);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* ---------- Network / Map ---------- */
.network-map {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.office-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.office-card:hover {
  border-color: var(--blue);
  box-shadow: 0 8px 24px rgba(27, 94, 171, 0.08);
}

.office-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.office-card__icon--accent {
  background: var(--accent);
}

.office-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.office-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* Country Grid */
.country-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.country-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  transition: all var(--transition);
}

.country-item:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--accent);
}

.country-item__flag {
  font-size: 1.4rem;
}

.country-item__name {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
}

.contact-info-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-radius: 16px;
  padding: 48px 40px;
  color: var(--white);
}

.contact-info-card h3 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.contact-info-card > p {
  color: rgba(255,255,255,0.6);
  margin-bottom: 36px;
  font-size: 0.92rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-item__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(212, 168, 83, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.95rem;
  flex-shrink: 0;
}

.contact-item__text .label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-item__text a,
.contact-item__text p {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 500;
}

.contact-item__text a:hover {
  color: var(--accent);
}

/* Form */
.contact-form-card {
  background: var(--white);
  border-radius: 16px;
  padding: 48px 40px;
  border: 1px solid var(--gray-200);
}

.contact-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.contact-form-card > p {
  color: var(--gray-500);
  margin-bottom: 32px;
  font-size: 0.92rem;
}

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

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(27, 94, 171, 0.08);
}

.form-group textarea {
  height: 140px;
  resize: vertical;
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 50% 50%, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  color: var(--white);
  font-size: 2rem;
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--gray-900);
  padding: 64px 0 0;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer__brand-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--white);
}

.footer__brand-name {
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
}

.footer__about p {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer__col h4 {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__col ul li {
  margin-bottom: 10px;
}

.footer__col ul li a {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer__col ul li a:hover {
  color: var(--accent);
}

.footer__bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.8rem;
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

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

/* ---------- Process Steps ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  width: 75%;
  height: 2px;
  background: var(--gray-200);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step__num {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--blue);
}

.process-step h4 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.8rem; }
  
  .hero h1 { font-size: 2.6rem; }
  
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  
  .ceo-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .network-map {
    grid-template-columns: 1fr;
  }
  
  .country-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .process-steps::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --section-py: 64px;
    --nav-height: 64px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .hero {
    min-height: auto;
    padding: 120px 0 80px;
  }
  
  .hero h1 { font-size: 2rem; }
  
  .hero__stats {
    flex-direction: column;
    gap: 24px;
    margin-top: 48px;
    padding-top: 32px;
  }
  
  .hero__stat {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  
  .hero__stat-num {
    font-size: 2rem;
    min-width: 80px;
  }

  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--navy);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links a {
    padding: 14px 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    width: 100%;
  }

  .nav__links a::after { display: none; }

  .nav__cta {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
  }

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

  .nav__toggle {
    display: flex;
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .stats-bar__item {
    padding: 24px 16px;
  }

  .stats-bar__num {
    font-size: 2rem;
  }

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

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

  .contact-form-card,
  .contact-info-card {
    padding: 32px 24px;
  }

  .page-header {
    padding: 110px 0 60px;
  }

  .page-header h1 {
    font-size: 2rem;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.7rem; }

  .hero__btns {
    flex-direction: column;
  }

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

  .country-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .country-item {
    padding: 12px 14px;
  }
}
