/* =========================================================
   APBEC 2026 Symposium — Shared Stylesheet
   Colors from SNU Medicine logo:
     Navy  : #2C3E70  (primary / dark)
     Green : #5B8C6A  (accent)
     Light : #EAF0F6  (background light)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --navy: #2C3E70;
  --navy-dark: #1b2748;
  --navy-mid: #3d5490;
  --green: #5B8C6A;
  --green-dark: #3e6349;
  --green-light: #87b897;
  --light: #EAF0F6;
  --white: #ffffff;
  --gray-100: #f8f9fc;
  --gray-200: #e8eef5;
  --gray-400: #9aafc5;
  --gray-600: #5a6e87;
  --gray-800: #2d3748;
  --text: #1e2a3a;
  --shadow-sm: 0 2px 8px rgba(44, 62, 112, .12);
  --shadow-md: 0 8px 32px rgba(44, 62, 112, .16);
  --shadow-lg: 0 20px 60px rgba(44, 62, 112, .22);
  --radius: 10px;
  --radius-lg: 20px;
  --transition: .3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  min-height: 100vh;
}

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

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

ul {
  list-style: none;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
}

p {
  font-size: 1rem;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(44, 62, 112, .12);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.site-logo .logo-main {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.site-logo .logo-symposium {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.logo-divider {
  width: 1px;
  height: 32px;
  background: var(--gray-400);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text .sym-name {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .02em;
}

.logo-text .sym-year {
  font-size: .78rem;
  color: var(--green);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--gray-800);
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  background: var(--light);
  color: var(--navy);
}

.nav-link.btn-register {
  background: var(--green);
  color: var(--white);
  margin-left: 8px;
  padding: 8px 18px;
}

.nav-link.btn-register:hover {
  background: var(--green-dark);
}

/* Hamburger */
.nav-toggle {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

/* Mobile Nav */
@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 24px;
    border-bottom: 2px solid var(--light);
    box-shadow: var(--shadow-md);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 8px;
    border-bottom: 1px solid var(--gray-200);
    border-radius: 0;
  }

  .nav-link.btn-register {
    margin: 12px 0 0;
    border-radius: var(--radius);
    border: none;
    text-align: center;
  }
}

/* ---------- Page wrapper ---------- */
.page-wrapper {
  padding-top: 72px;
}

/* ---------- Hero (used by index.html) ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--navy-dark);
  background-image: url('https://apbec2026.org/wp-content/uploads/2026/03/main-banner.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(27, 39, 72, 0.8), rgba(27, 39, 72, 0.4));
  z-index: 1;
}

/* Animated floating particles */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, .08) 1px, transparent 1px),
    radial-gradient(circle, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 60px 60px, 30px 30px;
  animation: particleFloat 20s linear infinite;
}

@keyframes particleFloat {
  0% {
    transform: translateY(0);
  }

  100% {
    transform: translateY(-60px);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
  color: var(--white);
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, .15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 50px;
  padding: 8px 24px;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, .9);
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 5vw, 3.8rem);
  font-weight: 700;
  margin-bottom: 12px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.4);
}

.hero-title .accent {
  color: #9ecfaf;
}

.hero-subtitle {
  font-size: clamp(1.0rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: #fff;
  margin-bottom: 36px;
  letter-spacing: .02em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.hero-date-venue {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 52px;
  flex-wrap: wrap;
}

.hero-date-venue .dv-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, .9);
}

.hero-date-venue .dv-icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, .15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* Countdown */
.countdown {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.countdown-unit {
  background: rgba(255, 255, 255, .12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius-lg);
  padding: 20px 32px;
  min-width: 100px;
  text-align: center;
}

.countdown-num {
  font-size: 2.8rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  line-height: 1;
  color: #9ecfaf;
}

.countdown-label {
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
  margin-top: 6px;
}

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

.btn-primary {
  background: var(--green);
  color: var(--white);
  border: 2px solid var(--green);
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-block;
}

.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(91, 140, 106, .4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, .5);
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-block;
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, .1);
  transform: translateY(-2px);
}

/* ---------- Section Common ---------- */
.section {
  padding: 96px 24px;
}

.section-alt {
  background: var(--gray-100);
}

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

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

.container-sm {
  max-width: 860px;
  margin: 0 auto;
}

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

.section-tag {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(91, 140, 106, .1);
  border-radius: 50px;
  padding: 6px 18px;
  margin-bottom: 16px;
}

.section-dark .section-tag {
  color: #9ecfaf;
  background: rgba(158, 207, 175, .15);
}

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

.section-dark .section-title {
  color: var(--white);
}

.section-lead {
  color: var(--gray-600);
  font-size: 1.08rem;
  margin-top: 16px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-dark .section-lead {
  color: rgba(255, 255, 255, .7);
}

.divider-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--navy), var(--green));
  border-radius: 2px;
  margin: 20px auto 0;
}

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

/* ---------- Speaker Cards ---------- */
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.speaker-card {
  text-align: center;
  padding: 40px 28px 32px;
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1px solid var(--gray-200);
}

.speaker-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.speaker-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 20px;
  overflow: hidden;
  border: 4px solid var(--light);
  box-shadow: 0 4px 16px rgba(44, 62, 112, .2);
}

.speaker-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.speaker-avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  font-weight: 700;
  font-family: 'Playfair Display', serif;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 50%, var(--green) 100%);
}

.speaker-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.speaker-title {
  font-size: .88rem;
  color: var(--green-dark);
  font-weight: 600;
  margin-bottom: 4px;
}

.speaker-affil {
  font-size: .84rem;
  color: var(--gray-600);
  margin-bottom: 16px;
}

.speaker-bio {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.65;
}

.speaker-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.tag-keynote {
  background: rgba(44, 62, 112, .1);
  color: var(--navy);
}

.tag-young {
  background: rgba(91, 140, 106, .12);
  color: var(--green-dark);
}

/* ---------- Program Table ---------- */
.program-day {
  margin-bottom: 48px;
}

.program-day-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(90deg, var(--navy), var(--navy-mid));
  padding: 14px 24px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.program-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--gray-200);
  background: var(--white);
  transition: background var(--transition);
}

.program-item:last-child {
  border-radius: 0 0 var(--radius) var(--radius);
  border-bottom: none;
}

.program-item:hover {
  background: var(--gray-100);
}

.prog-time {
  padding: 16px 20px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--green-dark);
  border-right: 3px solid var(--light);
}

.prog-content {
  padding: 16px 20px;
}

.prog-title {
  font-weight: 600;
  color: var(--text);
  font-size: .96rem;
}

.prog-speaker {
  font-size: .84rem;
  color: var(--gray-600);
  margin-top: 2px;
}

.prog-type {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 6px;
}

.type-keynote {
  background: rgba(44, 62, 112, .1);
  color: var(--navy);
}

.type-session {
  background: rgba(91, 140, 106, .1);
  color: var(--green-dark);
}

.type-break {
  background: var(--gray-200);
  color: var(--gray-600);
}

.type-ceremony {
  background: rgba(255, 193, 7, .15);
  color: #b7860b;
}

@media (max-width: 600px) {
  .program-item {
    grid-template-columns: 1fr;
  }

  .prog-time {
    border-right: none;
    border-bottom: 1px solid var(--light);
    padding: 12px 16px 8px;
  }
}

/* ---------- Venue ---------- */
.venue-visual {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--green-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 48px;
  box-shadow: var(--shadow-lg);
}

.venue-visual-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-align: center;
  padding: 32px;
}

.venue-icon {
  font-size: 5rem;
  margin-bottom: 16px;
  opacity: .9;
}

.venue-name {
  font-size: 1.8rem;
  font-weight: 700;
  font-family: 'Playfair Display', serif;
}

.venue-address {
  font-size: 1rem;
  color: rgba(255, 255, 255, .8);
  margin-top: 8px;
}

.venue-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.venue-info-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.venue-info-card:hover {
  box-shadow: var(--shadow-md);
}

.venue-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  color: var(--white);
}

.venue-info-body h4 {
  color: var(--navy);
  font-size: 1rem;
  margin-bottom: 6px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}

.venue-info-body p,
.venue-info-body a {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ---------- Organizing Committee ---------- */
.committee-section+.committee-section {
  margin-top: 56px;
}

.committee-role-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  border-left: 4px solid var(--green);
  padding-left: 14px;
  margin-bottom: 20px;
  font-family: 'Inter', sans-serif;
}

.committee-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.committee-member {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.committee-member:hover {
  box-shadow: var(--shadow-md);
}

.member-initials {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--green));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: .9rem;
  flex-shrink: 0;
}

.member-info .name {
  font-weight: 600;
  font-size: .95rem;
  color: var(--text);
}

.member-info .affil {
  font-size: .8rem;
  color: var(--gray-600);
  margin-top: 2px;
}

/* ---------- Contact Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-card {
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-info-card h3 {
  font-size: 1.5rem;
  margin-bottom: 28px;
}

.contact-detail {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.contact-icon {
  font-size: 1.3rem;
  margin-top: 2px;
}

.contact-detail .label {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .6);
}

.contact-detail .value {
  font-size: .95rem;
  color: var(--white);
  margin-top: 2px;
  line-height: 1.5;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

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

.form-label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: .95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(44, 62, 112, .1);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 500px) {
  .form-grid2 {
    grid-template-columns: 1fr;
  }
}

/* ---------- Page Banner (inner pages) ---------- */
.page-banner {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--green-dark) 100%);
  padding: 80px 24px 64px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 40px 40px;
}

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

.page-banner h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.page-banner p {
  color: rgba(255, 255, 255, .75);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Info Cards (home) ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.info-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.info-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.icon-navy {
  background: rgba(44, 62, 112, .1);
}

.icon-green {
  background: rgba(91, 140, 106, .12);
}

.icon-amber {
  background: rgba(255, 193, 7, .15);
}

.info-card h3 {
  color: var(--navy);
  font-size: 1.05rem;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  margin-bottom: 8px;
}

.info-card p {
  font-size: .9rem;
  color: var(--gray-600);
}

.info-card a {
  color: var(--green);
  font-weight: 600;
  font-size: .88rem;
  display: inline-block;
  margin-top: 12px;
}

.info-card a:hover {
  color: var(--green-dark);
  text-decoration: underline;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, .75);
  padding: 60px 24px 32px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.footer-brand img {
  height: 36px;
  filter: brightness(0) invert(1);
  margin-bottom: 16px;
}

.footer-brand .tagline {
  font-size: .9rem;
  line-height: 1.65;
}

.footer-brand .sym-full {
  font-size: 1rem;
  color: var(--white);
  font-weight: 700;
  margin-top: 12px;
}

.footer-col h4 {
  color: var(--white);
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: 'Inter', sans-serif;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: .88rem;
  color: rgba(255, 255, 255, .65);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: #9ecfaf;
}

.footer-bottom {
  max-width: 1280px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .82rem;
  color: rgba(255, 255, 255, .45);
}

/* ---------- About page ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 768px) {
  .about-intro {
    grid-template-columns: 1fr;
  }
}

.about-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 380px;
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 50%, var(--green-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.about-visual-text {
  color: var(--white);
  text-align: center;
  padding: 32px;
}

.about-visual-text .big-year {
  font-size: 6rem;
  font-weight: 700;
  opacity: .15;
  position: absolute;
}

.about-visual-text .sym-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.about-visual-text h3 {
  font-size: 1.4rem;
}

.about-visual-text p {
  font-size: .95rem;
  color: rgba(255, 255, 255, .75);
  margin-top: 8px;
}

.about-text h2 {
  color: var(--navy);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--gray-600);
  margin-bottom: 16px;
}

.stat-row {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  flex-wrap: wrap;
}

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

.stat-num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy);
  font-family: 'Playfair Display', serif;
}

.stat-desc {
  font-size: .82rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-top: 4px;
}

/* ---------- Scroll animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}

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

/* ---------- Back to Top / Active nav ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
  border: none;
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
}

.back-to-top:hover {
  background: var(--green);
  transform: translateY(-3px);
}