/* Elite Aviation Academy — Design System */
:root {
  --navy: #0a2540;
  --navy-deep: #061a30;
  --navy-soft: #1a3a5c;
  --gold: #f5a623;
  --gold-soft: #ffc857;
  --saffron: #ff9933;
  --white: #ffffff;
  --bg: #f6f8fb;
  --bg-alt: #eef2f8;
  --text: #0a1f3d;
  --muted: #6b7a90;
  --border: #e3e8ef;
  --success: #28a745;
  --danger: #dc3545;
  --shadow-sm: 0 2px 8px rgba(10,37,64,0.06);
  --shadow-md: 0 8px 24px rgba(10,37,64,0.10);
  --shadow-lg: 0 20px 48px rgba(10,37,64,0.18);
  --radius: 12px;
  --radius-lg: 18px;
  --container: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.header-top {
  background: var(--navy-deep);
  color: #cfd8e3;
  font-size: 13px;
  padding: 8px 0;
}
.header-top .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.header-top a { color: #cfd8e3; }
.header-top a:hover { color: var(--gold); }
.header-main {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.logo-wrap { display: flex; align-items: center; }
.logo-wrap img { height: 56px; width: auto; }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a {
  font-weight: 600; font-size: 15px; color: var(--navy);
  position: relative; padding: 6px 0;
}
.nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--gold); transition: width .25s;
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav-cta {
  background: var(--gold); color: var(--navy) !important;
  padding: 10px 22px !important; border-radius: 999px;
  font-weight: 700; box-shadow: 0 4px 12px rgba(245,166,35,0.35);
}
.nav-cta:hover { background: var(--gold-soft); }
.nav-cta::after { display: none; }
.menu-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--navy); cursor: pointer; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 50%, var(--navy-soft) 100%);
  color: var(--white);
  overflow: hidden;
  display: flex; align-items: center;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.35; z-index: 0;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(6,26,48,0.85), rgba(10,37,64,0.65));
}
.hero-3d {
  position: absolute; inset: 0; z-index: 1;
}
.hero-3d canvas { display: block; width: 100% !important; height: 100% !important; }
.hero-content {
  position: relative; z-index: 2;
  max-width: 720px;
  padding: 80px 24px;
}
.hero-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(245,166,35,0.15);
  border: 1px solid rgba(245,166,35,0.4);
  border-radius: 999px;
  color: var(--gold);
  font-size: 13px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 22px;
  letter-spacing: -1px;
}
.hero h1 .highlight {
  background: linear-gradient(120deg, var(--gold) 0%, var(--gold-soft) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede {
  font-size: 18px; color: rgba(255,255,255,0.85);
  max-width: 580px; margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700; font-size: 15px;
  cursor: pointer; border: none;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary {
  background: var(--gold); color: var(--navy);
  box-shadow: 0 6px 20px rgba(245,166,35,0.4);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--gold-soft); color: var(--navy); }
.btn-outline {
  background: transparent; color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--navy-soft); color: var(--white); }
.btn-block { width: 100%; justify-content: center; }

/* ===== Sections ===== */
section { padding: 90px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-eyebrow {
  color: var(--gold); font-size: 13px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; display: inline-block;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 44px); font-weight: 800;
  color: var(--navy); margin-bottom: 14px; letter-spacing: -0.5px;
}
.section-head p { color: var(--muted); font-size: 17px; }

/* ===== Stats strip ===== */
.stats {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: var(--white);
  padding: 60px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-num { font-size: 44px; font-weight: 800; color: var(--gold); display: block; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.8); text-transform: uppercase; letter-spacing: 1.5px; }

/* ===== Course Cards ===== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 28px;
}
.course-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
  border: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: relative;
}
.course-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--gold); }
.course-img {
  height: 200px;
  background-color: var(--navy);
  background-size: cover; background-position: center;
  position: relative; overflow: hidden;
}
.course-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,37,64,0.15) 0%, rgba(10,37,64,0.55) 100%);
}
.course-img .course-icon {
  position: absolute; top: 14px; left: 14px;
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(255,255,255,0.95); color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; z-index: 2;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.course-body { padding: 26px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.course-tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  color: var(--gold); letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 10px;
}
.course-card h3 { font-size: 20px; color: var(--navy); margin-bottom: 10px; font-weight: 700; }
.course-card p { color: var(--muted); font-size: 14px; margin-bottom: 18px; flex: 1; }
.course-meta {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 16px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--muted);
}
.course-meta strong { color: var(--navy); }

/* ===== Features grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.feature {
  background: var(--white); padding: 32px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform .3s;
}
.feature:hover { transform: translateY(-6px); border-color: var(--gold); }
.feature-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-soft) 100%);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  font-size: 26px;
}
.feature h3 { font-size: 18px; color: var(--navy); margin-bottom: 10px; }
.feature p { color: var(--muted); font-size: 14px; }

/* ===== CTA banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: var(--white); text-align: center;
  padding: 80px 24px; border-radius: var(--radius-lg);
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,166,35,0.3), transparent 70%);
}
.cta-banner h2 { font-size: clamp(26px, 3.5vw, 38px); margin-bottom: 14px; position: relative; }
.cta-banner p { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 28px; position: relative; }
.cta-banner .btn { position: relative; }

/* ===== Forms ===== */
.form-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 40px; box-shadow: var(--shadow-md);
  max-width: 520px; margin: 40px auto;
}
.form-card h2 { color: var(--navy); margin-bottom: 8px; font-size: 26px; }
.form-card .form-sub { color: var(--muted); margin-bottom: 28px; font-size: 14px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--navy); margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 15px; font-family: inherit; background: var(--bg);
  transition: border .2s, background .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--gold); background: #fff;
}
.form-group input[type="file"] { padding: 10px; background: var(--bg); cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-msg { padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 14px; }
.form-msg.success { background: #e9f7ec; color: #1f7a35; border: 1px solid #b9e3c1; }
.form-msg.error { background: #fdecea; color: #b7281e; border: 1px solid #f5c2bd; }
.form-foot { text-align: center; margin-top: 20px; font-size: 14px; color: var(--muted); }
.form-foot a { font-weight: 600; }

/* ===== Footer ===== */
.site-footer {
  background: var(--navy-deep); color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 40px;
}
.footer-grid h4 {
  color: var(--white); font-size: 15px; font-weight: 700;
  margin-bottom: 18px; letter-spacing: 0.5px;
}
.footer-grid a { color: rgba(255,255,255,0.7); display: block; padding: 4px 0; font-size: 14px; }
.footer-grid a:hover { color: var(--gold); }
.footer-grid p { font-size: 14px; color: rgba(255,255,255,0.65); }
.footer-logo { height: 60px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0; text-align: center;
  font-size: 13px; color: rgba(255,255,255,0.55);
}

/* ===== Floating widgets ===== */
.float-stack {
  position: fixed; right: 22px; bottom: 22px;
  display: flex; flex-direction: column; gap: 14px; z-index: 998;
}
.float-btn {
  width: 58px; height: 58px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg); cursor: pointer; border: none;
  transition: transform .2s;
}
.float-btn:hover { transform: scale(1.08); }
.wa-btn { background: #25d366; color: white; font-size: 28px; }
.bot-btn { background: var(--navy); color: var(--gold); font-size: 26px; }

/* ===== Chatbot ===== */
.chatbot {
  position: fixed; right: 22px; bottom: 100px;
  width: 360px; max-width: calc(100vw - 30px);
  height: 520px; max-height: calc(100vh - 130px);
  background: white; border-radius: 18px;
  box-shadow: var(--shadow-lg);
  display: none; flex-direction: column;
  overflow: hidden; z-index: 999;
  border: 1px solid var(--border);
}
.chatbot.open { display: flex; animation: pop .25s ease; }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(0.97); } to { opacity: 1; transform: none; } }
.chat-head {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: white; padding: 16px 18px;
  display: flex; align-items: center; gap: 12px;
}
.chat-head .avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--gold); color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
}
.chat-head .info h4 { font-size: 15px; margin: 0; }
.chat-head .info span { font-size: 12px; opacity: 0.8; }
.chat-head .close-bot {
  margin-left: auto; background: none; border: none;
  color: white; font-size: 22px; cursor: pointer;
}
.chat-body {
  flex: 1; padding: 16px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 10px;
  background: var(--bg);
}
.msg { padding: 10px 14px; border-radius: 14px; font-size: 14px; max-width: 85%; line-height: 1.5; }
.msg.bot { background: white; color: var(--text); align-self: flex-start; border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.msg.user { background: var(--navy); color: white; align-self: flex-end; border-bottom-right-radius: 4px; }
.chat-quick { padding: 10px 14px; border-top: 1px solid var(--border); display: flex; gap: 8px; flex-wrap: wrap; background: white; }
.chat-quick button {
  font-size: 12px; padding: 6px 12px; border-radius: 999px;
  background: var(--bg-alt); border: 1px solid var(--border);
  cursor: pointer; color: var(--navy);
}
.chat-quick button:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.chat-input {
  padding: 12px; border-top: 1px solid var(--border);
  display: flex; gap: 8px; background: white;
}
.chat-input input {
  flex: 1; padding: 10px 14px; border-radius: 999px;
  border: 1.5px solid var(--border); font-size: 14px; font-family: inherit;
}
.chat-input input:focus { outline: none; border-color: var(--gold); }
.chat-input button {
  background: var(--gold); color: var(--navy);
  border: none; width: 40px; border-radius: 50%;
  cursor: pointer; font-size: 18px;
}

/* ===== Dashboard ===== */
.dash-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.dash-side {
  background: var(--navy-deep); color: white; padding: 24px 0;
  position: sticky; top: 0; height: 100vh;
}
.dash-side .brand { padding: 0 24px 24px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 16px; }
.dash-side .brand img { height: 40px; filter: brightness(0) invert(1); }
.dash-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 24px; color: rgba(255,255,255,0.75);
  font-size: 14px; font-weight: 500; border-left: 3px solid transparent;
}
.dash-nav a:hover, .dash-nav a.active { background: rgba(255,255,255,0.05); color: var(--gold); border-left-color: var(--gold); }
.dash-main { padding: 30px 36px; background: var(--bg); }
.dash-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.dash-head h1 { font-size: 26px; color: var(--navy); }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-bottom: 28px; }
.kpi {
  background: white; padding: 22px; border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.kpi-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.kpi-num { font-size: 32px; font-weight: 800; color: var(--navy); margin-top: 6px; }
.kpi-trend { font-size: 12px; color: var(--success); margin-top: 4px; }

.table-card { background: white; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow-sm); }
.table-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; border-bottom: 1px solid var(--border);
}
.table-head h3 { font-size: 17px; color: var(--navy); }
.table-tools { display: flex; gap: 10px; align-items: center; }
.table-tools input, .table-tools select {
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; background: var(--bg); font-family: inherit;
}
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th {
  background: var(--bg-alt); color: var(--navy); font-weight: 700;
  padding: 12px 16px; text-align: left; font-size: 12px;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.data-table td { padding: 14px 16px; border-top: 1px solid var(--border); color: var(--text); }
.data-table tr:hover { background: var(--bg); }
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
}
.badge-new { background: #fff4e1; color: #c47600; }
.badge-contacted { background: #e1f0ff; color: #0a5ec4; }
.badge-enrolled { background: #e9f7ec; color: #1f7a35; }
.badge-rejected { background: #fdecea; color: #b7281e; }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-icon { background: none; border: none; color: var(--navy); cursor: pointer; font-size: 16px; padding: 4px 8px; }
.btn-icon:hover { color: var(--gold); }

/* ===== Page hero (smaller, for inner pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--navy-deep), var(--navy-soft));
  color: white; padding: 80px 0 60px; text-align: center;
}
.page-hero h1 { font-size: clamp(28px, 4vw, 44px); margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,0.8); }

/* ===== Auth pages ===== */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-side {
  background: linear-gradient(135deg, var(--navy-deep), var(--navy));
  color: white; padding: 60px; display: flex; flex-direction: column; justify-content: center;
  position: relative; overflow: hidden;
}
.auth-side::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,166,35,0.2), transparent 70%);
}
.auth-side .auth-logo { height: 60px; margin-bottom: 30px; filter: brightness(0) invert(1); position: relative; }
.auth-side h2 { font-size: 32px; margin-bottom: 16px; position: relative; }
.auth-side p { color: rgba(255,255,255,0.8); position: relative; }
.auth-form-side { padding: 60px; display: flex; align-items: center; justify-content: center; background: white; }
.auth-form { width: 100%; max-width: 420px; }
.auth-form h1 { color: var(--navy); font-size: 28px; margin-bottom: 8px; }
.auth-form .form-sub { color: var(--muted); margin-bottom: 28px; font-size: 14px; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: white; flex-direction: column; padding: 20px; gap: 14px; box-shadow: var(--shadow-md); border-top: 1px solid var(--border); }
  .nav.open { display: flex; }
  .menu-toggle { display: block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .dash-shell { grid-template-columns: 1fr; }
  .dash-side { position: relative; height: auto; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-side { padding: 40px 30px; min-height: 30vh; }
  .auth-form-side { padding: 40px 30px; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .form-card { padding: 26px; }
  .chatbot { right: 12px; left: 12px; width: auto; bottom: 90px; }
}