/* ============================================================
   SergoTech Academy — Main Stylesheet
   ============================================================ */

/* ── Google Font Import ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Custom Properties ── */
:root {
  /* Blue palette */
  --blue-primary:   #0055FF;
  --blue-dark:      #003ACC;
  --blue-light:     #4D8AFF;
  --blue-ultra:     #E8F0FF;
  --blue-glow:      rgba(0, 85, 255, 0.25);

  /* Light-mode surfaces */
  --bg:             #F5F7FF;
  --surface:        #FFFFFF;
  --surface-2:      #EEF3FF;
  --border:         rgba(0, 85, 255, 0.12);

  /* Light-mode text */
  --text:           #0A0F1E;
  --text-muted:     #475569;
  --text-light:     #94A3B8;

  /* Shadows */
  --shadow-sm:  0 1px 4px rgba(0,0,0,0.07);
  --shadow-md:  0 4px 18px rgba(0, 85, 255, 0.08), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg:  0 8px 36px rgba(0, 85, 255, 0.12), 0 4px 16px rgba(0,0,0,0.08);
  --shadow-xl:  0 16px 64px rgba(0, 85, 255, 0.16), 0 8px 32px rgba(0,0,0,0.10);

  /* Gradients */
  --grad-primary:  linear-gradient(135deg, #0055FF 0%, #00AAFF 100%);
  --grad-hero:     linear-gradient(135deg, #06091A 0%, #0D1A3D 55%, #0A2060 100%);
  --grad-card:     linear-gradient(135deg, rgba(0,85,255,0.06) 0%, rgba(0,170,255,0.03) 100%);

  /* Typography */
  --font:       'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing & layout */
  --section-py:     96px;
  --container-max:  1280px;
  --container-px:   clamp(20px, 5vw, 48px);

  /* Radii */
  --r-sm:   8px;
  --r-md:   14px;
  --r-lg:   22px;
  --r-xl:   32px;
  --r-full: 9999px;

  /* Transitions */
  --t-fast:  0.15s ease;
  --t-base:  0.25s ease;
  --t-slow:  0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Header */
  --header-h:  72px;
  --header-bg: rgba(255,255,255,0.92);
  --header-border: rgba(0,85,255,0.10);

  /* Logo filter (white logo → visible on light bg) */
  --logo-filter: brightness(0) saturate(100%);
}

[data-theme="dark"] {
  --bg:           #060B18;
  --surface:      #0D1526;
  --surface-2:    #14203A;
  --border:       rgba(77, 138, 255, 0.15);

  --text:         #F0F4FF;
  --text-muted:   #94A3B8;
  --text-light:   #64748B;

  --shadow-sm:  0 1px 4px rgba(0,0,0,0.35);
  --shadow-md:  0 4px 18px rgba(0,0,0,0.40);
  --shadow-lg:  0 8px 36px rgba(0,0,0,0.50), 0 4px 16px rgba(0,85,255,0.10);
  --shadow-xl:  0 16px 64px rgba(0,0,0,0.60), 0 8px 32px rgba(0,85,255,0.15);

  --header-bg: rgba(6,11,24,0.95);
  --header-border: rgba(77,138,255,0.12);

  /* White logo stays white in dark mode */
  --logo-filter: none;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background-color var(--t-slow), color var(--t-slow);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font); border: none; background: none; }
input, textarea, select { font-family: var(--font); }

/* ── Typography ── */
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.12; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.8rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 600; line-height: 1.3; }
h4 { font-size: 1.125rem; font-weight: 600; }
p  { color: var(--text-muted); line-height: 1.75; }

.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Container ── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* ── Section ── */
section { padding-block: var(--section-py); }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-primary);
  background: var(--blue-ultra);
  padding: 6px 14px;
  border-radius: var(--r-full);
  margin-bottom: 16px;
}
[data-theme="dark"] .section-label {
  background: rgba(0,85,255,0.15);
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header p {
  max-width: 640px;
  margin-inline: auto;
  margin-top: 16px;
  font-size: 1.05rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--r-full);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--t-base);
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 4px 20px var(--blue-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--blue-glow);
}
.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--text);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
  background: var(--blue-ultra);
}
[data-theme="dark"] .btn-outline:hover {
  background: rgba(0,85,255,0.10);
}
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* ── Tags / Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-blue   { background: rgba(0,85,255,0.12); color: var(--blue-primary); }
.badge-green  { background: rgba(16,185,129,0.12); color: #10B981; }
.badge-orange { background: rgba(245,158,11,0.12); color: #F59E0B; }

/* ============================================================
   HEADER
   ============================================================ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background var(--t-slow), border-color var(--t-slow), box-shadow var(--t-slow);
}
#header.scrolled { box-shadow: var(--shadow-md); }

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* Logo */
.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.nav-logo img {
  height: 36px;
  width: auto;
  filter: var(--logo-filter);
  transition: filter var(--t-slow);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 32px;
  flex: 1;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--t-fast);
  position: relative;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 18px; height: 2px;
  background: var(--blue-primary);
  border-radius: 2px;
}
.nav-links a:hover { background: var(--surface-2); }

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* Certiport button */
.btn-certiport {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--grad-primary);
  color: #fff;
  border-radius: var(--r-full);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 3px 14px var(--blue-glow);
  transition: all var(--t-base);
}
.btn-certiport:hover { transform: translateY(-1px); box-shadow: 0 6px 22px var(--blue-glow); }

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--surface-2);
  border-radius: var(--r-full);
  padding: 3px;
  border: 1px solid var(--border);
}
.lang-btn {
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--t-fast);
  letter-spacing: 0.05em;
}
.lang-btn.active {
  background: var(--blue-primary);
  color: #fff;
  box-shadow: 0 2px 8px var(--blue-glow);
}

/* Theme toggle */
.theme-toggle {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--t-fast);
}
.theme-toggle:hover { color: var(--blue-primary); border-color: var(--blue-primary); }
.theme-toggle svg { width: 18px; height: 18px; }
.icon-sun  { display: none; }
.icon-moon { display: block; }
[data-theme="dark"] .icon-sun  { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* Hamburger */
.menu-toggle {
  display: none;
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  align-items: center; justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  transition: all var(--t-fast);
}
.menu-toggle svg { width: 20px; height: 20px; }

/* Mobile nav drawer */
.nav-drawer {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--surface);
  z-index: 999;
  padding: 24px var(--container-px);
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--t-slow);
}
.nav-drawer.open { transform: translateX(0); }
.nav-drawer a {
  padding: 14px 16px;
  border-radius: var(--r-md);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  border: 1px solid transparent;
  transition: all var(--t-fast);
}
.nav-drawer a:hover,
.nav-drawer a.active {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--blue-primary);
}
.nav-drawer-actions {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.drawer-lang-switch {
  display: flex;
  gap: 8px;
}
.drawer-lang-switch .lang-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
}

/* ── Page offset for fixed header ── */
body { padding-top: var(--header-h); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  background: var(--grad-hero);
  overflow: hidden;
  padding-block: 80px;
}

/* Animated background grid */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,85,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,85,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
  0%   { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

/* Glow blobs */
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: blobFloat 8s ease-in-out infinite;
  pointer-events: none;
}
.hero-blob-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #0055FF, transparent 70%);
  top: -100px; right: -100px;
  animation-delay: 0s;
}
.hero-blob-2 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #00AAFF, transparent 70%);
  bottom: -80px; left: 10%;
  animation-delay: -4s;
}
@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(20px, -30px) scale(1.05); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content { color: #fff; }
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid rgba(77,138,255,0.4);
  border-radius: var(--r-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 24px;
  background: rgba(0,85,255,0.12);
}
.hero-label span { width: 6px; height: 6px; background: var(--blue-light); border-radius: 50%; }

.hero-title { color: #fff; margin-bottom: 24px; }
.hero-title .line2 { color: var(--blue-light); }

.hero-desc {
  color: rgba(240,244,255,0.72);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 52px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label { font-size: 0.82rem; color: rgba(240,244,255,0.55); font-weight: 500; margin-top: 2px; }

/* Hero visual — floating cards */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 460px;
}
.hero-card {
  position: absolute;
  background: rgba(13,21,38,0.85);
  border: 1px solid rgba(77,138,255,0.2);
  backdrop-filter: blur(12px);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  animation: cardFloat 6s ease-in-out infinite;
  box-shadow: var(--shadow-lg);
}
.hero-card-main {
  width: 280px;
  animation-duration: 5s;
}
.hero-card-mini {
  width: 200px;
  padding: 14px 18px;
}
.hero-card:nth-child(1) { top: 10px;  right: 20px;  animation-delay: 0s; }
.hero-card:nth-child(2) { bottom: 40px; left: 0;    animation-delay: -2s; animation-duration: 7s; }
.hero-card:nth-child(3) { top: 180px; left: 30px;   animation-delay: -1s; }

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}
.hero-card-icon {
  width: 36px; height: 36px;
  background: var(--grad-primary);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px;
}
.hero-card-icon svg { width: 18px; height: 18px; color: #fff; }
.hero-card h4 { color: #fff; font-size: 0.92rem; margin-bottom: 4px; }
.hero-card p  { color: rgba(240,244,255,0.55); font-size: 0.78rem; }

/* ============================================================
   PARTNERS SECTION
   ============================================================ */
.partners {
  padding-block: 56px;
  border-bottom: 1px solid var(--border);
}
.partners-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 36px;
}
.partners-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.partner-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0.65;
  transition: opacity var(--t-base);
  filter: grayscale(1);
}
.partner-item:hover { opacity: 1; filter: grayscale(0); }
.partner-item img { height: 44px; width: auto; object-fit: contain; }
.partner-name { font-size: 0.75rem; font-weight: 600; color: var(--text-light); }

/* Cisco placeholder styling */
.cisco-logo-text {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
}
.cisco-logo-text span { font-size: 0.9rem; font-weight: 700; color: var(--text-muted); letter-spacing: 0.02em; }

/* ============================================================
   ACADEMY OVERVIEW
   ============================================================ */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.overview-content .section-label { margin-bottom: 20px; }
.overview-content h2 { margin-bottom: 20px; }
.overview-content p  { margin-bottom: 16px; }
.overview-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}
.overview-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: all var(--t-base);
}
.overview-feature:hover { border-color: var(--blue-primary); box-shadow: var(--shadow-md); }
.overview-feature-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  background: var(--blue-ultra);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-primary);
}
[data-theme="dark"] .overview-feature-icon { background: rgba(0,85,255,0.15); }
.overview-feature-icon svg { width: 18px; height: 18px; }
.overview-feature-text h4 { font-size: 0.9rem; margin-bottom: 2px; }
.overview-feature-text p  { font-size: 0.82rem; margin: 0; }

.overview-visual {
  position: relative;
}
.overview-main-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 36px;
  box-shadow: var(--shadow-xl);
}
.overview-badge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.overview-badge-item {
  padding: 18px;
  background: var(--surface-2);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  text-align: center;
}
.overview-badge-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--blue-primary);
}
.overview-badge-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

/* ============================================================
   ADVANTAGES
   ============================================================ */
.advantages { background: var(--surface); }
[data-theme="dark"] .advantages { background: var(--surface); }

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.advantage-card {
  padding: 32px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}
[data-theme="dark"] .advantage-card { background: var(--surface-2); }
.advantage-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transition: transform var(--t-base);
}
.advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.advantage-card:hover::before { transform: scaleX(1); }

.advantage-icon {
  width: 52px; height: 52px;
  background: var(--grad-primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px var(--blue-glow);
}
.advantage-icon svg { width: 24px; height: 24px; color: #fff; }
.advantage-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.advantage-card p  { font-size: 0.88rem; }

/* ============================================================
   COURSES
   ============================================================ */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.course-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--t-base);
  display: flex;
  flex-direction: column;
}
.course-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); border-color: var(--blue-primary); }

.course-card-header {
  background: var(--grad-hero);
  padding: 28px 24px 24px;
  position: relative;
  overflow: hidden;
}
.course-card-header::before {
  content: '';
  position: absolute;
  bottom: -30px; right: -30px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(0,85,255,0.3), transparent 70%);
  border-radius: 50%;
}
.course-category {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 10px;
}
.course-card-header h3 { color: #fff; font-size: 1.05rem; line-height: 1.4; }

.course-card-body {
  padding: 22px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.course-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.course-card p { font-size: 0.86rem; flex: 1; }
.course-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

/* Courses filter (courses page) */
.courses-filter {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: var(--r-full);
  font-size: 0.86rem;
  font-weight: 600;
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  transition: all var(--t-fast);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: #fff;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials { background: var(--surface); }
[data-theme="dark"] .testimonials { background: var(--surface); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  position: relative;
  transition: all var(--t-base);
}
[data-theme="dark"] .testimonial-card { background: var(--surface-2); }
.testimonial-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.testimonial-quote {
  font-size: 2.5rem;
  color: var(--blue-primary);
  line-height: 1;
  font-family: Georgia, serif;
  margin-bottom: 14px;
  opacity: 0.6;
}
.testimonial-text { font-size: 0.92rem; font-style: italic; margin-bottom: 20px; color: var(--text-muted); }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff; font-size: 0.9rem;
}
.testimonial-name { font-weight: 600; font-size: 0.9rem; }
.testimonial-role { font-size: 0.78rem; color: var(--text-light); }

/* ============================================================
   ENROLLMENT CTA
   ============================================================ */
.cta-section {
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,85,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,85,255,0.06) 1px, transparent 1px);
  background-size: 50px 50px;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.cta-content { color: #fff; }
.cta-content .section-label { background: rgba(0,85,255,0.2); border: 1px solid rgba(77,138,255,0.3); }
.cta-content h2 { color: #fff; margin-bottom: 16px; }
.cta-content p  { color: rgba(240,244,255,0.7); margin-bottom: 0; }

/* Enrollment form */
.enrollment-form {
  background: rgba(13,21,38,0.7);
  border: 1px solid rgba(77,138,255,0.2);
  border-radius: var(--r-xl);
  padding: 36px;
  backdrop-filter: blur(16px);
}
.enrollment-form h3 { color: #fff; margin-bottom: 24px; font-size: 1.2rem; }
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(240,244,255,0.7);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 11px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(77,138,255,0.25);
  border-radius: var(--r-sm);
  color: #fff;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--t-fast);
}
.form-control::placeholder { color: rgba(240,244,255,0.3); }
.form-control:focus { border-color: var(--blue-primary); background: rgba(0,85,255,0.08); }
.form-control option { background: #0D1526; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-submit { width: 100%; margin-top: 6px; justify-content: center; }

/* ── General contact form (contact.html) ── */
.contact-form-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.contact-form-wrap .form-control {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
}
.contact-form-wrap .form-control:focus { border-color: var(--blue-primary); }
.contact-form-wrap .form-control::placeholder { color: var(--text-light); }
.contact-form-wrap .form-label { color: var(--text-muted); }
.form-control-textarea { resize: vertical; min-height: 120px; }
.form-success {
  display: none;
  padding: 14px 18px;
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--r-sm);
  color: #10B981;
  font-size: 0.88rem;
  font-weight: 500;
  text-align: center;
}

/* ============================================================
   CONTACT INFO CARDS
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: all var(--t-base);
}
.contact-card:hover { border-color: var(--blue-primary); box-shadow: var(--shadow-md); }
.contact-card-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--grad-primary);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.contact-card-icon svg { width: 20px; height: 20px; }
.contact-card h4 { font-size: 0.82rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-light); margin-bottom: 4px; }
.contact-card a, .contact-card p { font-size: 0.95rem; color: var(--text); margin: 0; font-weight: 500; }
.contact-card a:hover { color: var(--blue-primary); }

/* Map */
.map-wrap {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 340px;
}
.map-wrap iframe { width: 100%; height: 100%; display: block; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-hero { background: var(--grad-hero); padding-block: 96px; text-align: center; color: #fff; }
.about-hero h1 { color: #fff; }
.about-hero p { color: rgba(240,244,255,0.7); max-width: 600px; margin-inline: auto; margin-top: 16px; }

.mission-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.mv-card {
  padding: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  transition: all var(--t-base);
}
.mv-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }
.mv-card-icon {
  width: 56px; height: 56px;
  background: var(--grad-primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: 0 4px 20px var(--blue-glow);
}
.mv-card-icon svg { width: 28px; height: 28px; }
.mv-card h3 { margin-bottom: 12px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: all var(--t-base);
}
.stat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat-label { font-size: 0.88rem; color: var(--text-muted); margin-top: 6px; }

/* ============================================================
   B2B PAGE
   ============================================================ */
.b2b-offer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 48px;
}
.b2b-card {
  padding: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--t-base);
}
.b2b-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.b2b-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-primary);
}
.b2b-card-icon {
  width: 56px; height: 56px;
  background: var(--grad-primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: 0 4px 20px var(--blue-glow);
}
.b2b-card-icon svg { width: 28px; height: 28px; }
.b2b-card h3 { margin-bottom: 12px; }
.b2b-card ul { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.b2b-card ul li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.9rem; color: var(--text-muted);
}
.b2b-card ul li::before {
  content: '';
  width: 6px; height: 6px; flex-shrink: 0;
  background: var(--blue-primary);
  border-radius: 50%;
  margin-top: 7px;
}

/* B2B partner form */
.b2b-form-section { background: var(--surface); }
.b2b-form-inner {
  max-width: 680px;
  margin-inline: auto;
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: var(--grad-hero);
  padding-block: 80px 64px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,85,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,85,255,0.05) 1px, transparent 1px);
  background-size: 50px 50px;
}
.page-hero-inner { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; margin-bottom: 14px; }
.page-hero p   { color: rgba(240,244,255,0.7); font-size: 1.05rem; max-width: 580px; margin-inline: auto; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(240,244,255,0.5);
  justify-content: center;
  margin-top: 20px;
}
.breadcrumb a { color: rgba(240,244,255,0.5); transition: color var(--t-fast); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(240,244,255,0.3); }
.breadcrumb .current { color: var(--blue-light); }

/* ============================================================
   SOCIAL ICONS
   ============================================================ */
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--t-fast);
}
.social-link:hover {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px var(--blue-glow);
}
.social-link svg { width: 17px; height: 17px; }

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--grad-hero);
  border-top: 1px solid rgba(77,138,255,0.12);
  padding-block: 56px 28px;
  color: rgba(240,244,255,0.65);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(77,138,255,0.12);
  margin-bottom: 32px;
}
.footer-brand img {
  height: 34px;
  margin-bottom: 16px;
  /* White logo on dark footer – no filter needed */
  filter: none;
}
.footer-brand p {
  font-size: 0.86rem;
  color: rgba(240,244,255,0.5);
  max-width: 260px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-col h5 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(240,244,255,0.9);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 0.86rem;
  color: rgba(240,244,255,0.5);
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--blue-light); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-size: 0.8rem;
  color: rgba(240,244,255,0.4);
}
.footer-powered {
  font-size: 0.8rem;
  color: rgba(240,244,255,0.4);
}
.footer-powered a {
  color: var(--blue-light);
  font-weight: 600;
  transition: color var(--t-fast);
}
.footer-powered a:hover { color: #fff; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }
.fade-up-delay-5 { transition-delay: 0.5s; }

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Large screens: hide hamburger */
@media (min-width: 1025px) {
  .menu-toggle { display: none; }
  .nav-drawer  { display: none !important; }
}

@media (max-width: 1200px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1024px) {
  :root { --section-py: 72px; }
  .nav-links  { display: none; }
  .menu-toggle { display: flex; }
  .nav-drawer  { display: flex; }

  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { height: 300px; }

  .overview-grid  { grid-template-columns: 1fr; }
  .overview-visual { order: -1; }
  .overview-badge-grid { grid-template-columns: repeat(4, 1fr); }

  .advantages-grid   { grid-template-columns: 1fr 1fr; }
  .courses-grid      { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner         { grid-template-columns: 1fr; }
  .contact-grid      { grid-template-columns: 1fr; }
  .mission-vision-grid { grid-template-columns: 1fr; }
  .stats-grid        { grid-template-columns: repeat(2, 1fr); }
  .b2b-offer-grid    { grid-template-columns: 1fr; }
  .footer-top        { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --section-py: 56px; --header-h: 64px; }
  h1 { font-size: clamp(1.9rem, 7vw, 2.8rem); }
  h2 { font-size: clamp(1.5rem, 5vw, 2rem); }

  .hero-stats    { flex-wrap: wrap; gap: 20px; }
  .advantages-grid   { grid-template-columns: 1fr; }
  .courses-grid      { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .stats-grid        { grid-template-columns: repeat(2, 1fr); }
  .overview-badge-grid { grid-template-columns: 1fr 1fr; }
  .form-row          { grid-template-columns: 1fr; }
  .footer-top        { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom     { flex-direction: column; text-align: center; }
  .nav-actions .btn-certiport { display: none; }
  .partners-grid { gap: 28px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .enrollment-form { padding: 24px 18px; }
  .contact-form-wrap { padding: 24px 18px; }
  .mv-card { padding: 24px; }
  .b2b-card { padding: 24px; }
}