/* ═══════════════════════════════════════════════════════
   AzureEdge Academy — Main Stylesheet
   ═══════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:    #0078d4;
  --purple:  #7c3aed;
  --green:   #059669;
  --red:     #dc2626;
  --amber:   #d97706;
  --cyan:    #0891b2;
  --dark:    #0a0d14;
  --dark-2:  #0f1420;
  --dark-3:  #151c2e;
  --dark-4:  #1e2a42;
  --border:  rgba(255,255,255,0.08);
  --text:    #e2e8f0;
  --muted:   #94a3b8;
  --radius:  16px;
  --radius-sm: 10px;
  --shadow:  0 20px 60px rgba(0,0,0,0.5);
  --gradient: linear-gradient(135deg, #0078d4, #7c3aed);
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── UTILITIES ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.highlight-text { position: relative; color: #fff; }
.highlight-text::after { content:''; position:absolute; bottom:-4px; left:0; right:0; height:4px; background:var(--gradient); border-radius:4px; }
.accent { color: var(--blue); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 100px; font-weight: 600;
  font-size: 15px; text-decoration: none; cursor: pointer;
  border: none; transition: all 0.3s ease; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; transition: transform 0.3s; }
.btn:hover svg { transform: translateX(4px); }
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 0 0 0 rgba(0,120,212,0.4);
}
.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(0,120,212,0.5);
  transform: translateY(-2px);
}
.btn-secondary {
  background: rgba(255,255,255,0.07);
  color: #fff;
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }

.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block; background: rgba(0,120,212,0.15);
  color: var(--blue); border: 1px solid rgba(0,120,212,0.3);
  padding: 6px 18px; border-radius: 100px; font-size: 13px;
  font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(28px,4vw,42px); font-weight: 700; margin-bottom: 16px; }
.section-sub { color: var(--muted); max-width: 600px; margin: 0 auto; font-size: 17px; }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeLeft { from { opacity:0; transform:translateX(40px); } to { opacity:1; transform:translateX(0); } }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
@keyframes pulse-glow { 0%,100%{box-shadow:0 0 20px rgba(0,120,212,0.3)} 50%{box-shadow:0 0 50px rgba(0,120,212,0.7)} }
@keyframes ticker { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }
@keyframes spin { to {transform:rotate(360deg)} }
@keyframes orb-move-1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(30px,-20px)} }
@keyframes orb-move-2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-20px,30px)} }
@keyframes orb-move-3 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(20px,20px)} }
@keyframes badge-blink { 0%,100%{opacity:1} 50%{opacity:0.5} }
@keyframes chip-float-1 { 0%,100%{transform:translateY(0) rotate(-3deg)} 50%{transform:translateY(-8px) rotate(-3deg)} }
@keyframes chip-float-2 { 0%,100%{transform:translateY(0) rotate(2deg)} 50%{transform:translateY(-10px) rotate(2deg)} }
@keyframes chip-float-3 { 0%,100%{transform:translateY(0) rotate(-2deg)} 50%{transform:translateY(-6px) rotate(-2deg)} }
@keyframes chip-float-4 { 0%,100%{transform:translateY(0) rotate(3deg)} 50%{transform:translateY(-9px) rotate(3deg)} }
@keyframes shimmer { 0%{left:-100%} 100%{left:100%} }

.animate-fade-up { animation: fadeUp 0.8s ease forwards; opacity: 0; }
.animate-fade-left { animation: fadeLeft 0.8s ease forwards; opacity: 0; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

/* ─── NAVBAR ─── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: all 0.4s ease;
  backdrop-filter: blur(0px);
}
.navbar.scrolled {
  background: rgba(10,13,20,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
  font-family: 'Space Grotesk', sans-serif; font-size: 20px; font-weight: 700; color: #fff;
}
.logo-icon { font-size: 28px; color: var(--blue); animation: pulse-glow 2s ease infinite; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 15px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: var(--gradient); color: #fff !important;
  padding: 10px 22px; border-radius: 100px;
  transition: box-shadow 0.3s, transform 0.3s !important;
}
.nav-cta:hover { box-shadow: 0 6px 20px rgba(0,120,212,0.4); transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s; }

/* ─── HERO ─── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 120px 24px 80px;
  max-width: 1200px; margin: 0 auto;
}
.hero-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,120,212,0.15) 0%, transparent 70%);
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.orb {
  position: absolute; border-radius: 50%; filter: blur(80px);
}
.orb-1 { width:500px;height:500px;background:rgba(0,120,212,0.12);top:-100px;right:-100px;animation:orb-move-1 8s ease infinite; }
.orb-2 { width:400px;height:400px;background:rgba(124,58,237,0.10);bottom:-100px;left:-100px;animation:orb-move-2 10s ease infinite; }
.orb-3 { width:300px;height:300px;background:rgba(5,150,105,0.08);top:40%;left:40%;animation:orb-move-3 12s ease infinite; }

.hero-content { flex: 1; max-width: 620px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,120,212,0.1); border: 1px solid rgba(0,120,212,0.25);
  padding: 8px 18px; border-radius: 100px; font-size: 13px; color: #93c5fd;
  margin-bottom: 24px; font-weight: 500;
}
.badge-dot { width:8px;height:8px;background:#4ade80;border-radius:50%;animation:badge-blink 2s ease infinite; }
.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px,5.5vw,64px);
  font-weight: 800; line-height: 1.1; margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-subtitle { font-size: 18px; color: var(--muted); margin-bottom: 36px; line-height: 1.7; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; align-items: center; gap: 0; flex-wrap: wrap; gap: 16px; }
.stat { text-align: center; }
.stat-num { display:block; font-family:'Space Grotesk',sans-serif; font-size: 26px; font-weight: 800; color:#fff; }
.stat-label { font-size: 12px; color: var(--muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Hero Visual */
.hero-visual { flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; gap: 32px; padding-left: 40px; }
.cert-card-stack { position: relative; width: 280px; height: 340px; }
.cert-card {
  position: absolute; width: 260px; border-radius: 20px; overflow: hidden;
}
.cert-card-back { background: rgba(0,120,212,0.1); border: 1px solid rgba(0,120,212,0.2); height: 300px; top: 30px; left: 20px; transform: rotate(6deg); }
.cert-card-mid { background: rgba(124,58,237,0.1); border: 1px solid rgba(124,58,237,0.2); height: 310px; top: 15px; left: 10px; transform: rotate(3deg); }
.cert-card-front {
  background: linear-gradient(135deg, #1e2a42, #0f1420);
  border: 1px solid rgba(0,120,212,0.4);
  height: 320px; top: 0; left: 0;
  padding: 28px; display: flex; flex-direction: column; align-items: center;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
  animation: float 4s ease infinite;
}
.cert-header { display: flex; align-items: center; gap: 12px; width: 100%; margin-bottom: 24px; }
.cert-logo { font-size: 28px; color: var(--blue); }
.cert-brand { font-size: 13px; color: var(--muted); }
.cert-type { font-size: 12px; color: var(--blue); font-weight: 600; }
.cert-badge-ring {
  width: 90px; height: 90px; border-radius: 50%;
  background: conic-gradient(var(--blue) 0%, var(--purple) 100%);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 0 30px rgba(0,120,212,0.4);
}
.cert-badge-inner {
  width: 74px; height: 74px; border-radius: 50%;
  background: var(--dark-2); display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; color: #fff;
}
.cert-name { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.cert-code { font-size: 13px; color: var(--blue); font-weight: 600; margin-bottom: 16px; }
.cert-bar { width: 100%; height: 4px; background: var(--gradient); border-radius: 4px; }

.floating-chips { display: flex; flex-direction: column; gap: 12px; position: absolute; right: -20px; top: 20px; }
.chip {
  background: var(--dark-3); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 100px; font-size: 13px; font-weight: 500;
  white-space: nowrap; backdrop-filter: blur(10px); color: var(--text);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.chip-1 { animation: chip-float-1 3.5s ease infinite; }
.chip-2 { animation: chip-float-2 4s ease infinite; animation-delay: 0.5s; }
.chip-3 { animation: chip-float-3 3.2s ease infinite; animation-delay: 1s; }
.chip-4 { animation: chip-float-4 3.8s ease infinite; animation-delay: 1.5s; }

/* ─── TICKER ─── */
.ticker-wrap {
  background: var(--dark-3); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 14px 0; overflow: hidden;
}
.ticker {
  display: inline-flex; align-items: center; gap: 32px;
  white-space: nowrap; animation: ticker 30s linear infinite;
  font-size: 14px; font-weight: 600; color: var(--muted);
}
.ticker-dot { color: var(--blue); font-size: 10px; }

/* ─── COURSES ─── */
.courses-section { padding: 100px 0; background: var(--dark-2); }

.filter-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }
.filter-btn {
  padding: 10px 24px; border-radius: 100px; font-size: 14px; font-weight: 600;
  background: var(--dark-3); border: 1px solid var(--border); color: var(--muted);
  cursor: pointer; transition: all 0.3s;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--gradient); color: #fff; border-color: transparent;
}

.courses-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.course-card {
  background: var(--dark-3); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; position: relative; cursor: pointer;
  transition: all 0.4s ease; display: flex; flex-direction: column;
}
.course-card:hover { transform: translateY(-8px); border-color: rgba(0,120,212,0.4); box-shadow: var(--shadow); }
.course-card.featured { border-color: rgba(5,150,105,0.4); box-shadow: 0 0 0 1px rgba(5,150,105,0.2); }
.course-card.featured:hover { border-color: rgba(5,150,105,0.7); }
.course-card.hidden { display: none; }

.card-ribbon {
  position: absolute; top: 16px; right: -28px;
  background: var(--blue); color: #fff; font-size: 11px; font-weight: 700;
  padding: 5px 40px; transform: rotate(35deg); text-transform: uppercase;
  letter-spacing: 0.05em; z-index: 1;
}
.featured-ribbon { background: var(--green) !important; }

.card-header {
  padding: 28px 24px 20px;
  background: linear-gradient(135deg, var(--card-color, #0078d4) 0%, transparent 60%);
  display: flex; align-items: flex-start; justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.card-icon { font-size: 36px; }
.card-level {
  padding: 4px 14px; border-radius: 100px; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.card-level.beginner { background: rgba(5,150,105,0.2); color: #34d399; }
.card-level.intermediate { background: rgba(217,119,6,0.2); color: #fbbf24; }
.card-level.advanced { background: rgba(220,38,38,0.2); color: #f87171; }

.card-body { padding: 20px 24px; flex: 1; }
.card-code { font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; }
.card-title { font-family: 'Space Grotesk', sans-serif; font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.card-desc { font-size: 14px; color: var(--muted); margin-bottom: 16px; line-height: 1.6; }
.card-topics { list-style: none; display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.card-topics li { font-size: 13px; color: var(--text); display: flex; align-items: center; gap: 8px; }
.card-meta { display: flex; gap: 16px; flex-wrap: wrap; }
.meta-item { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 4px; }
.meta-item span { color: var(--text); font-weight: 500; }

.card-footer {
  padding: 18px 24px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.card-price { display: flex; align-items: baseline; gap: 10px; }
.price-old { font-size: 14px; color: var(--muted); text-decoration: line-through; }
.price-new { font-size: 22px; font-weight: 800; color: #fff; font-family: 'Space Grotesk', sans-serif; }
.card-btn {
  padding: 10px 20px; background: var(--gradient); color: #fff;
  border: none; border-radius: 100px; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all 0.3s; white-space: nowrap;
}
.card-btn:hover { box-shadow: 0 6px 20px rgba(0,120,212,0.4); transform: translateY(-1px); }

/* ─── WHY US ─── */
.why-section { padding: 100px 0; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.why-card {
  background: var(--dark-3); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: all 0.3s;
}
.why-card:hover { border-color: rgba(0,120,212,0.3); transform: translateY(-4px); }
.why-icon {
  width: 56px; height: 56px; border-radius: 14px; font-size: 26px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(from var(--icon-color) r g b / 0.15);
  margin-bottom: 20px;
}
.why-card h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 10px; font-family: 'Space Grotesk', sans-serif; }
.why-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ─── LEARNING PATH ─── */
.path-section { padding: 80px 0; background: var(--dark-2); }
.path-track {
  display: flex; align-items: center; justify-content: center;
  gap: 0; flex-wrap: wrap; gap: 20px;
}
.path-step { text-align: center; }
.path-node {
  width: 56px; height: 56px; border-radius: 50%; border: 3px solid;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; margin: 0 auto 12px; font-family: 'Space Grotesk', sans-serif;
}
.node-1 { border-color: #34d399; color: #34d399; background: rgba(5,150,105,0.1); }
.node-2 { border-color: #60a5fa; color: #60a5fa; background: rgba(0,120,212,0.1); }
.node-3 { border-color: #fbbf24; color: #fbbf24; background: rgba(217,119,6,0.1); }
.node-4 { border-color: #f87171; color: #f87171; background: rgba(220,38,38,0.1); }
.path-content h4 { font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 700; color: #fff; }
.path-content p { font-size: 13px; color: var(--muted); }
.path-badge {
  display: inline-block; padding: 3px 12px; border-radius: 100px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; margin-bottom: 6px;
}
.path-badge.beginner { background: rgba(5,150,105,0.2); color: #34d399; }
.path-badge.intermediate { background: rgba(217,119,6,0.2); color: #fbbf24; }
.path-badge.advanced { background: rgba(220,38,38,0.2); color: #f87171; }
.path-arrow { font-size: 28px; color: var(--muted); padding-bottom: 20px; }

/* ─── TESTIMONIALS ─── */
.testimonials-section { padding: 100px 0; }
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.testi-card {
  background: var(--dark-3); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all 0.3s;
}
.testi-card:hover { transform: translateY(-4px); border-color: rgba(0,120,212,0.3); }
.testi-card.featured-testi {
  background: linear-gradient(135deg, rgba(0,120,212,0.1), rgba(124,58,237,0.1));
  border-color: rgba(0,120,212,0.4);
}
.testi-stars { color: #fbbf24; font-size: 18px; margin-bottom: 14px; letter-spacing: 2px; }
.testi-card p { font-size: 15px; color: var(--text); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.testi-author strong { display: block; font-size: 15px; color: #fff; }
.testi-author span { font-size: 13px; color: var(--muted); }

/* ─── ENQUIRY ─── */
.enquiry-section {
  padding: 100px 0; background: var(--dark-2);
  position: relative; overflow: hidden;
}
.enquiry-bg { position: absolute; inset: 0; pointer-events: none; }
.orb-enq-1 { position:absolute;width:600px;height:600px;border-radius:50%;background:rgba(0,120,212,0.06);top:-200px;right:-200px;filter:blur(80px); }
.orb-enq-2 { position:absolute;width:500px;height:500px;border-radius:50%;background:rgba(124,58,237,0.06);bottom:-200px;left:-200px;filter:blur:80px; }

.enquiry-wrapper {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: start; position: relative; z-index: 1;
}
.enquiry-info { padding-top: 8px; }
.light-tag { background: rgba(255,255,255,0.08); color: #c7d2fe; border-color: rgba(255,255,255,0.15); }
.enquiry-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(24px,3.5vw,38px); font-weight: 700; margin: 16px 0 20px; }
.enquiry-info > p { font-size: 16px; color: var(--muted); line-height: 1.7; margin-bottom: 32px; }
.enquiry-features { display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; }
.eq-feature { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--text); }
.eq-icon { font-size: 16px; flex-shrink: 0; }
.contact-pills { display: flex; flex-direction: column; gap: 10px; }
.contact-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  padding: 10px 18px; border-radius: 100px; font-size: 14px; color: var(--text);
  width: fit-content;
}

/* Form */
.enquiry-form-wrap {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: 24px; overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.4);
}
.enquiry-form { padding: 36px; }
.form-heading { font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 700; margin-bottom: 28px; color: #fff; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group:last-of-type { margin-bottom: 0; }
.form-group label { font-size: 14px; font-weight: 600; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm); padding: 13px 16px; color: #fff; font-size: 15px;
  font-family: 'Inter', sans-serif; transition: all 0.3s; outline: none; width: 100%;
}
.form-group select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2394a3b8'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 20px; padding-right: 40px; }
.form-group select option { background: #1e2a42; color: #fff; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue); background: rgba(0,120,212,0.05);
  box-shadow: 0 0 0 3px rgba(0,120,212,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(148,163,184,0.6); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea { border-color: #ef4444; }
.field-error { font-size: 12px; color: #f87171; min-height: 16px; }

.checkbox-group { flex-direction: row; align-items: flex-start; gap: 10px; flex-wrap: wrap; margin-bottom: 24px !important; }
.checkbox-label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: 13px; color: var(--muted); line-height: 1.5; }
.checkbox-label input[type="checkbox"] { display: none; }
.checkbox-custom {
  width: 20px; height: 20px; border: 2px solid rgba(255,255,255,0.2); border-radius: 6px;
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; margin-top: 2px;
}
.checkbox-label input:checked + .checkbox-custom {
  background: var(--blue); border-color: var(--blue);
}
.checkbox-label input:checked + .checkbox-custom::after { content: '✓'; color: #fff; font-size: 12px; font-weight: 700; }

.form-submit { width: 100%; justify-content: center; border-radius: var(--radius-sm); padding: 15px; font-size: 16px; margin-top: 4px; }
.spinner { animation: spin 1s linear infinite; }
.hidden { display: none !important; }

/* Form Success */
.form-success {
  display: none; text-align: center; padding: 40px 20px;
}
.form-success.show { display: block; }
.form-fields.hide { display: none; }
.success-icon { font-size: 64px; margin-bottom: 20px; }
.form-success h3 { font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.form-success p { color: var(--muted); font-size: 16px; }

/* Form Send Error */
.form-send-error {
  display: none; background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.35);
  border-radius: var(--radius-sm); padding: 14px 18px; margin-bottom: 20px;
  font-size: 14px; color: #fca5a5; line-height: 1.6;
}
.form-send-error.show { display: block; }
.form-send-error a { color: #f87171; font-weight: 600; }

/* ─── FOOTER ─── */
.footer { background: var(--dark); border-top: 1px solid var(--border); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 14px; color: var(--muted); margin: 16px 0 24px; line-height: 1.7; max-width: 260px; }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 40px; height: 40px; border-radius: 50%; background: var(--dark-3);
  border: 1px solid var(--border); display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: var(--muted); font-weight: 700; font-size: 14px;
  transition: all 0.3s;
}
.social-link:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li, .footer-col ul a {
  font-size: 14px; color: var(--muted); text-decoration: none; transition: color 0.2s;
}
.footer-col ul a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 14px; color: var(--muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 14px; color: var(--muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }

/* ─── MODAL ─── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85); backdrop-filter: blur(6px);
  z-index: 2000; display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--dark-3); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px; width: 100%; max-width: 700px; max-height: 90vh;
  overflow-y: auto; position: relative; box-shadow: 0 40px 100px rgba(0,0,0,0.6);
  animation: fadeUp 0.3s ease;
}
.modal-close {
  position: sticky; top: 0; float: right;
  background: rgba(255,255,255,0.1); border: 1px solid var(--border);
  color: #fff; width: 36px; height: 36px; border-radius: 50%;
  cursor: pointer; font-size: 14px; margin: 16px 16px 0 0;
  display: flex; align-items: center; justify-content: center; transition: all 0.2s;
  z-index: 1;
}
.modal-close:hover { background: rgba(220,38,38,0.2); border-color: #ef4444; }
.modal-content { padding: 0 32px 32px; }
.modal-header { padding: 24px 0 20px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.modal-code { font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; }
.modal-title { font-family: 'Space Grotesk', sans-serif; font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.modal-level { display: inline-block; padding: 4px 14px; border-radius: 100px; font-size: 13px; font-weight: 700; }
.modal-section { margin-bottom: 24px; }
.modal-section h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em; font-size: 13px; }
.modal-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.modal-pill {
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 100px; font-size: 13px; color: var(--text);
}
.modal-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.modal-list li { font-size: 14px; color: var(--text); padding-left: 20px; position: relative; line-height: 1.6; }
.modal-list li::before { content: '→'; position: absolute; left: 0; color: var(--blue); font-weight: 700; }
.modal-meta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.modal-meta-item {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px; text-align: center;
}
.modal-meta-item .meta-val { font-size: 20px; font-weight: 800; color: #fff; font-family: 'Space Grotesk', sans-serif; display: block; }
.modal-meta-item .meta-lbl { font-size: 12px; color: var(--muted); }
.modal-actions { display: flex; gap: 14px; margin-top: 28px; }
.modal-actions .btn { flex: 1; justify-content: center; }

/* ─── BACK TO TOP ─── */
.back-to-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 999;
  width: 48px; height: 48px; border-radius: 50%; background: var(--gradient);
  color: #fff; border: none; font-size: 20px; cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,120,212,0.4); opacity: 0; transform: translateY(20px);
  transition: all 0.3s; display: flex; align-items: center; justify-content: center;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column; text-align: center; align-items: center;
    gap: 40px; padding-top: 120px; padding-bottom: 60px;
  }
  .hero-content { max-width: 100%; }
  .hero-subtitle { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { padding-left: 0; overflow: hidden; }
  .floating-chips { display: none; }
  .enquiry-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .courses-section, .why-section, .testimonials-section, .enquiry-section { padding: 70px 0; }
  .path-section { padding: 60px 0; }
}

@media (max-width: 768px) {
  /* Navbar */
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 64px; left: 0; right: 0; background: rgba(10,13,20,0.98);
    backdrop-filter: blur(20px); padding: 24px; border-bottom: 1px solid var(--border);
    gap: 20px; z-index: 999;
  }
  .nav-links.open .nav-cta { width: fit-content; }

  /* Sections */
  .courses-section, .why-section, .testimonials-section, .enquiry-section { padding: 60px 0; }
  .path-section { padding: 50px 0; }
  .section-header { margin-bottom: 40px; }

  /* Filter tabs — horizontally scrollable */
  .filter-tabs {
    overflow-x: auto; justify-content: flex-start; flex-wrap: nowrap;
    padding-bottom: 4px; -webkit-overflow-scrolling: touch;
    scrollbar-width: none; padding-left: 4px;
  }
  .filter-tabs::-webkit-scrollbar { display: none; }
  .filter-btn { flex-shrink: 0; }

  /* Grids */
  .courses-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

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

  /* Path */
  .path-track { flex-direction: column; align-items: center; }
  .path-arrow { transform: rotate(90deg); padding-bottom: 0; }

  /* Footer */
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }

  /* Hero visual */
  .hero-visual { width: 100%; overflow: hidden; }
  .cert-card-stack { margin: 0 auto; }
  .floating-chips { display: none; }

  /* Modal */
  .modal { max-height: 95vh; border-radius: 16px; margin: 0 8px; }
  .modal-content { padding: 0 20px 24px; }
  .modal-meta-grid { grid-template-columns: 1fr 1fr; }
  .modal-actions { flex-direction: column; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 16px; width: 42px; height: 42px; font-size: 16px; }
}

@media (max-width: 480px) {
  /* Base */
  .container { padding: 0 16px; }

  /* Sections */
  .courses-section, .why-section, .testimonials-section, .enquiry-section { padding: 50px 0; }
  .path-section { padding: 40px 0; }
  .section-header { margin-bottom: 28px; }
  .section-title { font-size: 24px; }
  .section-sub { font-size: 15px; }

  /* Hero */
  .hero { padding-top: 90px; padding-bottom: 48px; gap: 32px; }
  .hero-badge { font-size: 11px; padding: 6px 12px; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 15px; margin-bottom: 28px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 10px; }
  .stat-divider { display: none; }
  .stat-num { font-size: 22px; }
  .stat-label { font-size: 11px; }

  /* Cert card stack */
  .cert-card-stack { width: 220px; height: 280px; }
  .cert-card { width: 210px; }
  .cert-card-front { height: 270px; padding: 22px; }
  .cert-card-back { width: 210px; height: 240px; }
  .cert-card-mid { width: 210px; height: 252px; }
  .cert-badge-ring { width: 76px; height: 76px; }
  .cert-badge-inner { width: 62px; height: 62px; font-size: 18px; }

  /* Course cards */
  .card-footer { flex-direction: column; gap: 12px; align-items: stretch; }
  .card-btn { width: 100%; text-align: center; }

  /* Form */
  .enquiry-form { padding: 22px 16px; }
  .form-heading { font-size: 19px; margin-bottom: 20px; }

  /* Modal */
  .modal-meta-grid { grid-template-columns: 1fr; }
  .modal-content { padding: 0 14px 20px; }
  .modal-title { font-size: 20px; }
  .modal-actions .btn { font-size: 14px; padding: 12px 20px; }

  /* Footer */
  .footer { padding: 60px 0 0; }
  .footer-grid { gap: 28px; }
  .footer-links { flex-direction: column; align-items: center; gap: 12px; }
}