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

:root {
  --blue: #1A6CF6;
  --blue-light: #EBF2FF;
  --blue-dark: #0D4CC0;
  --navy: #0D1B3E;
  --gray-50: #F5F7FA;
  --gray-100: #EEF1F6;
  --gray-200: #D8DDE8;
  --gray-500: #6B7A99;
  --gray-800: #1E2A3A;
  --teal: #0EA5A0;
  --amber: #D97706;
  --purple: #7C3AED;
  --white: #FFFFFF;
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(26,108,246,0.06);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== Nav ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 2rem;
  padding: 0 2rem; height: 64px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow 0.2s;
}
.nav.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.07); }

.nav-logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-weight: 800; font-size: 17px; letter-spacing: 0.08em;
  color: var(--navy);
}

.nav-links {
  display: flex; gap: 2rem; margin-left: auto;
}
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--gray-500);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--blue); }

.lang-btn {
  padding: 6px 14px; border-radius: 20px;
  border: 1.5px solid var(--blue); background: transparent;
  color: var(--blue); font-family: var(--font-display);
  font-weight: 600; font-size: 12px; letter-spacing: 0.05em;
  cursor: pointer; transition: all 0.15s;
}
.lang-btn:hover { background: var(--blue); color: white; }

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden;
  min-height: 100vh; display: flex;
  flex-direction: column; justify-content: center;
  padding: 100px 2rem 60px;
  background: var(--white);
}

.hero-watermark {
  position: absolute; right: -2%; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-weight: 800; font-size: clamp(160px, 25vw, 340px);
  color: var(--blue); opacity: 0.04;
  letter-spacing: -0.05em; pointer-events: none;
  user-select: none; line-height: 1;
}

.hero-trail {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none;
}

.hero-content {
  position: relative; max-width: 680px;
  margin: 0 auto; text-align: center;
}

.hero-eyebrow {
  font-size: 13px; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 9vw, 96px);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -0.03em; color: var(--navy);
  margin-bottom: 1.25rem;
  display: flex; gap: 0.2em; justify-content: center; flex-wrap: wrap;
}
.hero-title-accent { color: var(--blue); }

.hero-sub {
  font-size: 18px; color: var(--gray-500);
  margin-bottom: 2.5rem; font-weight: 400;
}

.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center;
  padding: 14px 32px; border-radius: 100px;
  background: var(--blue); color: white;
  font-family: var(--font-display); font-weight: 600;
  font-size: 14px; letter-spacing: 0.02em;
  transition: all 0.2s; border: 2px solid var(--blue);
}
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); transform: translateY(-1px); }
.btn-primary.full-width { width: 100%; justify-content: center; border-radius: var(--radius-sm); }

.btn-ghost {
  display: inline-flex; align-items: center;
  padding: 14px 32px; border-radius: 100px;
  background: transparent; color: var(--navy);
  font-family: var(--font-display); font-weight: 600;
  font-size: 14px; letter-spacing: 0.02em;
  border: 2px solid var(--gray-200); transition: all 0.2s;
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

/* Hero Stats */
.hero-stats {
  position: relative; display: flex;
  align-items: center; justify-content: center;
  gap: 3rem; margin-top: 4rem;
  padding: 2rem; border-radius: var(--radius);
  background: var(--gray-50); border: 1px solid var(--gray-100);
  max-width: 560px; margin-left: auto; margin-right: auto;
}
.stat { text-align: center; }
.stat-num {
  font-family: var(--font-display); font-weight: 800;
  font-size: 32px; color: var(--blue); display: block;
  line-height: 1.1;
}
.stat-label { font-size: 13px; color: var(--gray-500); display: block; margin-top: 4px; }
.stat-divider { width: 1px; height: 40px; background: var(--gray-200); }

/* ===== Sections ===== */
.section { padding: 100px 0; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

.section-header { text-align: center; margin-bottom: 3rem; }
.section-eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 0.75rem;
}
h2 {
  font-family: var(--font-display); font-size: clamp(30px, 4vw, 46px);
  font-weight: 800; color: var(--navy); line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ===== About ===== */
.about { background: var(--gray-50); }

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}

.about-text .section-eyebrow { margin-bottom: 1rem; }
.about-text h2 { margin-bottom: 1.25rem; }
.about-text p { color: var(--gray-500); margin-bottom: 2rem; }

.about-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.about-tags span {
  padding: 6px 14px; border-radius: 20px;
  background: white; border: 1px solid var(--gray-200);
  font-size: 13px; color: var(--gray-800); font-weight: 500;
}

.about-visual {
  display: grid; grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto; gap: 1rem;
}
.about-card {
  padding: 1.5rem; border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  text-align: center;
}
.about-card svg { width: 64px; height: 64px; }
.about-card p { font-size: 13px; font-weight: 600; letter-spacing: 0.02em; }
.about-card.blue { background: var(--blue-light); color: var(--blue); grid-column: 1 / -1; flex-direction: row; text-align: left; }
.about-card.blue svg { flex-shrink: 0; }
.about-card.teal { background: #E0F7F5; color: var(--teal); }
.about-card.amber { background: #FEF3C7; color: var(--amber); }

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 220px 180px;
  gap: 12px; margin-bottom: 1rem;
}
.gallery-item {
  border-radius: var(--radius);
  position: relative; overflow: hidden;
  cursor: pointer; transition: transform 0.2s;
}
.gallery-item:hover { transform: scale(1.01); }
.gallery-item.large { grid-row: 1 / 3; }
.gallery-item.wide { grid-column: 2 / 4; }

.gallery-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.gallery-placeholder svg { width: 80%; height: 80%; }

.gallery-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 0.6rem 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.18));
  font-size: 12px; font-weight: 600; color: rgba(30,42,58,0.8);
  letter-spacing: 0.03em;
}

.gallery-note {
  font-size: 12px; color: var(--gray-500); text-align: center;
  padding-top: 0.5rem;
}

/* ===== Events ===== */
.events { background: var(--gray-50); }

.events-list { display: flex; flex-direction: column; gap: 1rem; }

.event-card {
  display: flex; align-items: center; gap: 2rem;
  padding: 1.5rem 2rem; border-radius: var(--radius);
  background: white; border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s;
}
.event-card:hover { box-shadow: 0 4px 24px rgba(26,108,246,0.1); }

.event-date {
  display: flex; flex-direction: column;
  align-items: center; min-width: 56px;
}
.event-month { font-size: 11px; font-weight: 600; color: var(--blue); letter-spacing: 0.08em; text-transform: uppercase; }
.event-day { font-family: var(--font-display); font-size: 36px; font-weight: 800; color: var(--navy); line-height: 1.1; }

.event-info { flex: 1; }
.event-info h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.event-info p { font-size: 14px; color: var(--gray-500); margin-bottom: 6px; }
.event-location { font-size: 13px; color: var(--gray-500); }

.event-btn {
  padding: 10px 22px; border-radius: 100px;
  background: var(--blue-light); color: var(--blue);
  font-family: var(--font-display); font-weight: 600; font-size: 13px;
  white-space: nowrap; transition: all 0.15s;
  border: 1.5px solid transparent;
}
.event-btn:hover { background: var(--blue); color: white; }

/* ===== Contact ===== */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 5rem; align-items: start;
}
.contact-text h2 { margin-bottom: 1rem; }
.contact-text p { color: var(--gray-500); margin-bottom: 2rem; }

.contact-info { display: flex; flex-direction: column; gap: 0.75rem; }
.contact-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--gray-800); }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--gray-800); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-200);
  font-family: var(--font-body); font-size: 14px;
  color: var(--gray-800); background: white;
  transition: border-color 0.15s; resize: vertical;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blue); }

.form-success {
  display: none; padding: 12px 16px; border-radius: var(--radius-sm);
  background: #ECFDF5; color: #065F46; font-size: 14px; font-weight: 500;
}
.form-success.show { display: block; }

/* ===== Footer ===== */
.footer {
  background: var(--navy); color: white; padding: 3rem 0 2rem;
}
.footer-top {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap; gap: 1.5rem;
}
.footer-logo { color: white; }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.5); transition: color 0.15s; }
.footer-links a:hover { color: white; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem; flex-wrap: wrap; gap: 0.5rem;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.4); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .gallery-item.large { grid-row: auto; grid-column: 1 / -1; height: 220px; }
  .gallery-item.wide { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero { padding: 90px 1.5rem 50px; }
  .hero-stats { gap: 1.5rem; }
  .stat-num { font-size: 24px; }
  .section { padding: 70px 0; }
  .event-card { flex-wrap: wrap; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item { height: 180px; }
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content > * {
  animation: fadeUp 0.6s ease both;
}
.hero-eyebrow { animation-delay: 0.1s; }
.hero-title { animation-delay: 0.2s; }
.hero-sub { animation-delay: 0.3s; }
.hero-cta { animation-delay: 0.4s; }
.hero-stats { animation-delay: 0.5s; }