/* ═══════════════════════════════════════════════
   Shubhanshu Verma — Professional & Futuristic
   style.css
═══════════════════════════════════════════════ */

/* ─── VARIABLES ─── */
:root {
  --bg:        #05080d;
  --surface:   #080d14;
  --card:      #0c1420;
  --border:    rgba(255,255,255,0.07);
  --border-h:  rgba(0,210,255,0.25);
  --accent:    #00d2ff;
  --accent2:   #00e5a0;
  --text:      #e8f1fa;
  --muted:     #5a7a96;
  --subtle:    #1a2840;
  --glow-c:    rgba(0,210,255,0.18);
  --radius:    14px;
  --radius-sm: 8px;
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; letter-spacing: -0.02em; }
.serif { font-family: 'Cormorant Garamond', serif; }

/* ════════════════════════
   NAV
════════════════════════ */
nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 3.5rem;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  background: rgba(5,8,13,0.88);
  backdrop-filter: blur(24px);
  border-color: var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.7; }
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.55rem 1.4rem;
  background: transparent;
  border: 1px solid var(--border-h);
  color: var(--accent);
  border-radius: 100px;
  text-decoration: none;
  transition: background 0.25s, box-shadow 0.25s, color 0.25s;
  letter-spacing: 0.02em;
}
.nav-cta:hover {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 24px var(--glow-c);
}

/* ════════════════════════
   HERO
════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 9rem 3.5rem 5rem;
  overflow: hidden;
}

/* Ambient background */
.hero-ambient { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}
.ao1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,210,255,0.07) 0%, transparent 70%);
  top: -200px; left: -150px;
}
.ao2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,229,160,0.05) 0%, transparent 70%);
  bottom: -100px; right: 5%;
}
.ao3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,80,160,0.08) 0%, transparent 70%);
  top: 40%; left: 40%;
}

/* Grid overlay */
.hero-grid-overlay {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

/* ─── SPLIT LAYOUT ─── */
.hero-split {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 4rem;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

/* ─── LEFT ─── */
.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent2);
  box-shadow: 0 0 8px var(--accent2);
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 4.5vw, 5rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
  white-space: nowrap;
}
.heading-light {
  display: block;
  font-weight: 300;
  color: rgba(232,241,250,0.6);
}
.heading-bold {
  display: inline;
  font-weight: 700;
  color: var(--text);
  background: linear-gradient(135deg, #fff 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-line {
  font-size: 1rem;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 1.2rem;
  opacity: 0.9;
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.65;
  max-width: 500px;
  margin-bottom: 1rem;
  font-weight: 400;
}
.hero-tagline strong { color: var(--accent); font-weight: 600; }

.hero-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 500px;
  margin-bottom: 1.6rem;
  font-weight: 300;
}

/* Cert pills */
.hero-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.cert-pill {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  border: 1px solid rgba(0,210,255,0.2);
  color: rgba(0,210,255,0.7);
  background: rgba(0,210,255,0.05);
  transition: border-color 0.2s, color 0.2s;
}
.cert-pill:hover { border-color: var(--accent); color: var(--accent); }

/* CTA buttons */
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  border-radius: 100px;
  text-decoration: none;
  cursor: pointer;
  transition: box-shadow 0.3s, transform 0.2s;
}
.btn-primary:hover {
  box-shadow: 0 0 36px rgba(0,210,255,0.45);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  border: 1px solid var(--border);
  border-radius: 100px;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.3s, color 0.3s;
}
.btn-ghost:hover { border-color: var(--border-h); color: var(--accent); }

/* Stats row */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 1.2rem 1.6rem;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  backdrop-filter: blur(10px);
}
.hstat { flex: 1; text-align: center; }
.hstat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.03em;
}
.hstat-num span { color: var(--accent); font-size: 1.4rem; }
.hstat-label {
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.3rem;
  font-weight: 400;
}
.hstat-sep {
  width: 1px; height: 36px;
  background: var(--border);
  flex-shrink: 0;
}

/* ─── RIGHT: AVATAR SCENE ─── */
.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.4s ease;
}

.av-scene {
  position: relative;
  width: 380px; height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* SVG arcs */
.av-arcs {
  position: absolute;
  inset: -20px;
  width: calc(100% + 40px);
  height: calc(100% + 40px);
  animation: arc-spin 40s linear infinite;
}
@keyframes arc-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Glow */
.av-glow {
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(0,210,255,0.15), transparent 65%);
  filter: blur(20px);
}

/* Photo circle */
.av-photo {
  position: relative;
  z-index: 2;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: linear-gradient(145deg, #0d1f2e 0%, #060d14 100%);
  border: 1.5px solid rgba(0,210,255,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 60px rgba(0,210,255,0.12),
    0 0 120px rgba(0,210,255,0.05),
    inset 0 0 60px rgba(0,0,0,0.6);
  overflow: hidden;
}
.av-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.av-initials {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 4.5rem;
  letter-spacing: -0.03em;
  color: var(--accent);
  text-shadow: 0 0 50px rgba(0,210,255,0.6);
}

/* Verified badge */
.av-badge {
  position: absolute;
  z-index: 4;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  background: rgba(5,8,13,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0,210,255,0.3);
  border-radius: 100px;
  color: var(--text);
  letter-spacing: 0.04em;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4), 0 0 12px rgba(0,210,255,0.12);
}

/* Floating info cards */
.av-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 1rem;
  background: rgba(5,8,13,0.82);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.04);
  animation: card-float 4s ease-in-out infinite;
}
.avc-icon { font-size: 1.2rem; flex-shrink: 0; }
.avc-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.avc-sub {
  font-size: 0.62rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

.avc1 { top: 8%;   left: -18%; animation-delay: 0s;    animation-duration: 4.5s; }
.avc2 { top: 8%;   right: -14%; animation-delay: 1.2s;  animation-duration: 4s; }
.avc3 { bottom: 22%; left: -20%; animation-delay: 0.6s;  animation-duration: 5s; }

@keyframes card-float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

/* ─── SCROLL INDICATOR ─── */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.scroll-track {
  width: 1.5px;
  height: 48px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.scroll-thumb {
  width: 100%;
  height: 50%;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-anim 2s ease-in-out infinite;
}
@keyframes scroll-anim {
  0%   { transform: translateY(-100%); opacity: 0; }
  30%  { opacity: 1; }
  70%  { opacity: 1; }
  100% { transform: translateY(200%); opacity: 0; }
}

/* ════════════════════════
   SECTIONS — SHARED
════════════════════════ */
section {
  position: relative;
  z-index: 2;
  padding: 6rem 3.5rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 20px; height: 1px;
  background: var(--accent);
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 3rem;
  font-weight: 300;
}

/* ════════════════════════
   ABOUT
════════════════════════ */
#about {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.about-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,210,255,0.15), rgba(0,229,160,0.1));
  border: 1px solid var(--border-h);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}
.about-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}
.about-role {
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  font-weight: 400;
}
.cert-badges { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.badge {
  font-size: 0.62rem;
  font-weight: 500;
  padding: 0.28rem 0.65rem;
  border: 1px solid rgba(0,210,255,0.2);
  border-radius: 100px;
  color: rgba(0,210,255,0.7);
  background: rgba(0,210,255,0.05);
  letter-spacing: 0.05em;
}
.badge.green {
  border-color: rgba(0,229,160,0.2);
  color: rgba(0,229,160,0.8);
  background: rgba(0,229,160,0.05);
}
.about-text p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 1rem;
  font-size: 0.93rem;
  font-weight: 300;
}
.about-text p strong { color: var(--text); font-weight: 500; }
.skills-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.skill-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 300;
}
.skill-item::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ════════════════════════
   SERVICES
════════════════════════ */
.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1100px;
  margin-left: auto; margin-right: auto;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 1100px;
  margin: 0 auto;
}
.service-card {
  background: var(--card);
  padding: 2.2rem;
  transition: background 0.3s;
  position: relative;
}
.service-card:hover { background: #0f1d2e; }
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover::after { opacity: 1; }
.service-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  display: block;
}
.service-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.7rem;
  letter-spacing: -0.01em;
}
.service-desc {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.7;
  font-weight: 300;
}
.service-tag {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* ════════════════════════
   COURSES
════════════════════════ */
#courses {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
#courses h2, #courses .section-label, #courses .section-desc {
  max-width: 1100px;
  margin-left: auto; margin-right: auto;
  display: block;
}
#courses .section-label { display: inline-flex; }
.courses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.course-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
  transition: border-color 0.3s, box-shadow 0.3s;
  position: relative;
}
.course-card:hover {
  border-color: var(--border-h);
  box-shadow: 0 0 40px var(--glow-c);
}
.course-level {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  font-size: 0.58rem;
  font-weight: 600;
  padding: 0.22rem 0.6rem;
  border-radius: 100px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.level-beginner     { background: rgba(0,229,160,0.1); color: var(--accent2); border: 1px solid rgba(0,229,160,0.2); }
.level-intermediate { background: rgba(0,210,255,0.1); color: var(--accent);  border: 1px solid rgba(0,210,255,0.2); }
.level-advanced     { background: rgba(255,80,100,0.1); color: #ff6080;       border: 1px solid rgba(255,80,100,0.2); }
.course-icon { font-size: 1.8rem; flex-shrink: 0; margin-top: 0.1rem; }
.course-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.course-desc { color: var(--muted); font-size: 0.83rem; line-height: 1.65; margin-bottom: 1rem; font-weight: 300; }
.course-meta { display: flex; gap: 1rem; flex-wrap: wrap; }
.meta-item { font-size: 0.68rem; color: var(--muted); font-weight: 300; }

/* ════════════════════════
   TESTIMONIALS
════════════════════════ */
#testimonials h2, #testimonials .section-label, #testimonials .section-desc { max-width:1100px; margin-left:auto; margin-right:auto; display:block; }
#testimonials .section-label { display: inline-flex; }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.testimonial-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s;
}
.testimonial-card:hover { border-color: var(--border-h); }
.stars { color: #f5c842; font-size: 0.75rem; margin-bottom: 1rem; letter-spacing: 0.1em; }
.testimonial-text {
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
  font-weight: 300;
  font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 0.75rem; }
.author-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,210,255,0.2), rgba(0,229,160,0.2));
  border: 1px solid var(--border-h);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.author-name { font-size: 0.82rem; font-weight: 600; }
.author-role { font-size: 0.68rem; color: var(--muted); margin-top: 0.1rem; font-weight: 300; }

/* ════════════════════════
   CONTACT
════════════════════════ */
#contact {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
}
.contact-info h2 { margin-bottom: 1rem; }
.contact-methods { display: flex; flex-direction: column; gap: 0.8rem; margin-top: 2rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.3s;
}
.contact-item:hover { border-color: var(--border-h); }
.contact-item-icon {
  font-size: 1.1rem; width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,210,255,0.05);
  border-radius: 8px;
  border: 1px solid var(--border);
}
.contact-item-label { font-size: 0.62rem; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; font-weight: 400; }
.contact-item-value { font-size: 0.87rem; font-weight: 400; margin-top: 0.1rem; }

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label { font-size: 0.68rem; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; font-weight: 400; }
.form-input, .form-textarea {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  font-weight: 300;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--border-h);
  box-shadow: 0 0 0 3px rgba(0,210,255,0.07);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ════════════════════════
   FOOTER
════════════════════════ */
footer {
  position: relative; z-index: 2;
  padding: 2.5rem 3.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-brand .brand-name { font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 0.95rem; }
.footer-tagline { font-size: 0.72rem; color: var(--muted); margin-top: 0.2rem; font-weight: 300; }
.footer-copy { font-size: 0.7rem; color: var(--muted); font-weight: 300; }
.footer-links { display: flex; gap: 1.5rem; list-style: none; }
.footer-links a { font-size: 0.72rem; color: var(--muted); text-decoration: none; transition: color 0.2s; font-weight: 400; }
.footer-links a:hover { color: var(--text); }

/* ════════════════════════
   ANIMATIONS
════════════════════════ */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ════════════════════════
   RESPONSIVE
════════════════════════ */
@media (max-width: 1024px) {
  nav { padding: 1.2rem 2rem; }
  section { padding: 5rem 2rem; }
  #hero { padding: 8rem 2rem 5rem; }
  .hero-split { grid-template-columns: 1fr; gap: 3.5rem; }
  .hero-right { order: -1; }
  .hero-left { align-items: center; text-align: center; }
  .hero-desc, .hero-tagline, .section-desc { max-width: 100%; }
  .hero-certs, .hero-actions { justify-content: center; }
  .hero-stats { max-width: 100%; }
  .av-scene { width: 280px; height: 280px; }
  .av-photo { width: 200px; height: 200px; }
  .av-initials { font-size: 3.5rem; }
  .av-arcs { inset: -10px; }
  .avc1, .avc2, .avc3 { display: none; }
}
@media (max-width: 768px) {
  nav { padding: 1rem 1.2rem; }
  .nav-links { display: none; }
  section { padding: 4rem 1.2rem; }
  #hero { padding: 6rem 1.2rem 4rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; text-align: center; padding: 2rem 1.2rem; }
  .hstat-sep { display: none; }
  .hero-stats { flex-wrap: wrap; }
  .hstat { min-width: 45%; padding: 0.8rem; }
}