/* ===================================================
   MANISH SHARMA – Mathematics Expert
   Premium Academic Website Stylesheet
   =================================================== */

/* ── DESIGN TOKENS ── */
:root {
  --primary:        #1a3a8f;
  --primary-light:  #2952c7;
  --primary-dark:   #0f2260;
  --accent:         #f59e0b;
  --accent-light:   #fcd34d;
  --accent-dark:    #d97706;
  --bg-primary:     #f8faff;
  --bg-dark:        #0b1437;
  --bg-dark-2:      #111c47;
  --text-dark:      #0d1b3e;
  --text-body:      #3d4f7c;
  --text-muted:     #8898c5;
  --text-white:     #ffffff;
  --glass-bg:       rgba(255, 255, 255, 0.08);
  --glass-border:   rgba(255, 255, 255, 0.15);
  --card-bg:        #ffffff;
  --card-shadow:    0 4px 32px rgba(26,58,143,0.10);
  --card-hover:     0 12px 48px rgba(26,58,143,0.18);
  --border-radius:  16px;
  --border-radius-sm: 10px;
  --transition:     all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main:      'Inter', sans-serif;
  --font-display:   'Playfair Display', serif;
  --font-mono:      'JetBrains Mono', monospace;
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── UTILITIES ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.accent { color: var(--accent); }

.section { padding: 100px 0; position: relative; }
.dark-section { background: var(--bg-dark); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 20px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.light-tag {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: var(--bg-dark);
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 12px;
}
.section-title.white { color: var(--text-white); }
.section-sub { color: var(--text-body); font-size: 1.05rem; max-width: 580px; margin: 0 auto; }
.light-sub { color: rgba(255,255,255,0.65); }

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0;
}
.navbar.scrolled {
  background: rgba(11,20,55,0.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 1.05rem;
  flex-shrink: 0;
}
.logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--bg-dark);
  flex-shrink: 0;
}
.logo-icon.large { width: 56px; height: 56px; font-size: 1.8rem; }
.logo-text strong { font-weight: 800; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background: rgba(245,158,11,0.1);
}
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 24px;
  border-radius: 50px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.4); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-2) 50%, #1a2d6e 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

/* Floating math symbols */
.math-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.math-symbol {
  position: absolute;
  font-size: 3.5rem;
  font-family: var(--font-mono);
  color: rgba(245,158,11,0.08);
  animation: float 8s ease-in-out infinite;
  user-select: none;
}
.math-formula {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.05);
  white-space: nowrap;
  animation: float 10s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

/* Hero Content */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.3);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  display: flex;
  flex-direction: column;
  line-height: 1.0;
  margin-bottom: 16px;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.02em;
}
.hero-name.accent { color: var(--accent); }

.hero-subtitle {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.hero-desc {
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 500px;
}

.hero-checks {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 36px;
}
.hero-checks li {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: 50px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 32px rgba(245,158,11,0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(245,158,11,0.5); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 32px;
  border-radius: 50px;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 20px 28px;
  backdrop-filter: blur(10px);
  width: fit-content;
}
.stat { text-align: center; }
.stat-num { display: block; font-size: 1.8rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-label { font-size: 0.75rem; color: rgba(255,255,255,0.6); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.15); }

/* Hero Image */
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}
.hero-image-glow {
  position: absolute;
  bottom: 0;
  left: 50%; transform: translateX(-50%);
  width: 70%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(26,58,143,0.5) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
}
.hero-image-frame {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
}
.hero-img { width: 100%; height: 440px; object-fit: cover; object-position: center top; display: block; }

.floating-badge {
  position: absolute;
  background: var(--card-bg);
  border-radius: 14px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  animation: badgeFloat 4s ease-in-out infinite;
  z-index: 2;
}
.badge-1 { top: 20px; left: -20px; animation-delay: 0s; }
.badge-2 { bottom: 60px; right: -20px; animation-delay: 2s; }
.floating-badge .fb-icon { font-size: 1.4rem; }
.floating-badge div { display: flex; flex-direction: column; line-height: 1.3; }
.floating-badge strong { font-size: 0.85rem; color: var(--text-dark); font-weight: 700; }
.floating-badge small { font-size: 0.72rem; color: var(--text-muted); }
@keyframes badgeFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 0;
}
.hero-wave svg { display: block; width: 100%; }

/* ── ABOUT SECTION ── */
.about { background: var(--bg-primary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 72px;
  align-items: center;
}
.about-img-wrap {
  position: relative;
}
.about-img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 24px 64px rgba(26,58,143,0.2);
  object-fit: cover;
  height: 480px;
}
.about-img-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 16px;
  padding: 20px 24px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(26,58,143,0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.big-num { font-size: 2.4rem; font-weight: 900; line-height: 1; color: var(--accent); }
.about-img-badge span:last-child { font-size: 0.78rem; opacity: 0.9; text-align: center; }

.about-text {
  color: var(--text-body);
  font-size: 1.02rem;
  line-height: 1.9;
  margin-bottom: 20px;
}
.about-text strong { color: var(--primary); font-weight: 700; }

.highlights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.highlight-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card-bg);
  border: 1px solid rgba(26,58,143,0.08);
  border-radius: var(--border-radius-sm);
  padding: 14px 16px;
  box-shadow: 0 2px 12px rgba(26,58,143,0.06);
  transition: var(--transition);
}
.highlight-card:hover { transform: translateY(-3px); box-shadow: var(--card-hover); border-color: rgba(26,58,143,0.2); }
.hl-icon { font-size: 1.5rem; flex-shrink: 0; }
.highlight-card div { display: flex; flex-direction: column; line-height: 1.35; }
.highlight-card strong { font-size: 0.88rem; color: var(--text-dark); font-weight: 700; }
.highlight-card small { font-size: 0.78rem; color: var(--text-muted); }

/* ── EXPERIENCE SECTION ── */
.experience { background: var(--bg-dark); }
.exp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.exp-sub-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 32px;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(245,158,11,0.3);
}

/* Timeline */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--primary-light), transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.tl-dot {
  position: absolute;
  left: -28px; top: 6px;
  width: 16px; height: 16px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--bg-dark);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.3);
}
.tl-content { padding-left: 8px; }
.tl-year {
  display: inline-block;
  background: rgba(245,158,11,0.15);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 50px;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.tl-content h4 { color: var(--text-white); font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.tl-content p { color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.7; }

.total-exp-badge {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 18px 24px;
  margin-top: 24px;
  backdrop-filter: blur(10px);
}
.te-icon { font-size: 1.8rem; }
.total-exp-badge div { display: flex; flex-direction: column; }
.total-exp-badge strong { color: var(--text-white); font-size: 0.9rem; }
.total-exp-badge span { color: var(--accent); font-weight: 700; font-size: 1.05rem; }

/* Subject categories */
.subject-group { display: flex; flex-direction: column; gap: 24px; }
.subject-category { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--border-radius); padding: 24px; }
.cat-title { font-size: 1rem; font-weight: 700; margin-bottom: 14px; }
.cat-title.school { color: #60d9fa; }
.cat-title.higher { color: #a78bfa; }
.cat-title.competitive { color: var(--accent); }

.subject-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.stag {
  display: inline-block;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 50px;
  transition: var(--transition);
}
.stag:hover { background: rgba(255,255,255,0.15); }
.stag.higher-tag { background: rgba(167,139,250,0.15); border-color: rgba(167,139,250,0.3); color: #a78bfa; }
.stag.comp-tag { background: rgba(245,158,11,0.15); border-color: rgba(245,158,11,0.3); color: var(--accent); }

/* ── WHY ME ── */
.why-me { background: var(--bg-primary); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 60px;
}
.why-card {
  background: var(--card-bg);
  border: 1px solid rgba(26,58,143,0.08);
  border-radius: var(--border-radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.why-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.why-card:hover::before { transform: scaleX(1); }
.why-card:hover { transform: translateY(-6px); box-shadow: var(--card-hover); border-color: rgba(26,58,143,0.15); }
.why-icon-wrap {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: inline-block;
  animation: iconBounce 3s ease-in-out infinite;
}
@keyframes iconBounce {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.why-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.why-card p { font-size: 0.9rem; color: var(--text-body); line-height: 1.7; }

/* Achievements Banner */
.achievements-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
  border-radius: var(--border-radius);
  padding: 40px 60px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 40px;
  flex-wrap: wrap;
  box-shadow: 0 16px 48px rgba(26,58,143,0.3);
}
.ach-item { text-align: center; }
.ach-num { display: block; font-size: 2.2rem; font-weight: 900; color: var(--accent); line-height: 1; }
.ach-label { font-size: 0.85rem; color: rgba(255,255,255,0.75); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 6px; }
.ach-divider { width: 1px; height: 60px; background: rgba(255,255,255,0.2); }

/* ── TESTIMONIALS ── */
.testimonials { background: var(--bg-dark); }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testi-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 32px 28px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  position: relative;
}
.testi-card:hover { transform: translateY(-4px); border-color: rgba(245,158,11,0.3); }
.testi-card.featured {
  background: linear-gradient(135deg, rgba(26,58,143,0.4), rgba(41,82,199,0.2));
  border-color: rgba(245,158,11,0.4);
  box-shadow: 0 0 40px rgba(245,158,11,0.1);
}
.testi-stars { font-size: 1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testi-quote {
  color: rgba(255,255,255,0.8);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}
.testi-author {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
}
.testi-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.testi-avatar.accent-av { background: linear-gradient(135deg, var(--accent-dark), var(--accent)); color: var(--bg-dark); }
.testi-author div { display: flex; flex-direction: column; }
.testi-author strong { color: var(--text-white); font-size: 0.9rem; }
.testi-author small { color: rgba(255,255,255,0.5); font-size: 0.78rem; }

/* ── GALLERY ── */
.gallery { background: var(--bg-primary); }
.gallery-filter {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.gf-btn {
  background: transparent;
  border: 2px solid rgba(26,58,143,0.2);
  color: var(--text-body);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 24px;
  border-radius: 50px;
  transition: var(--transition);
  font-family: var(--font-main);
}
.gf-btn:hover, .gf-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 16px;
}
.gallery-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-item.tall { grid-row: span 2; aspect-ratio: auto; min-height: 300px; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.07); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,20,55,0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-label {
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  background: rgba(245,158,11,0.9);
  padding: 4px 12px;
  border-radius: 50px;
}

/* ── CONTACT ── */
.contact { background: var(--bg-dark); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 36px 28px;
  backdrop-filter: blur(10px);
}
.contact-profile {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.contact-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(245,158,11,0.2);
  flex-shrink: 0;
}
.contact-profile h3 { color: var(--text-white); font-size: 1.1rem; font-weight: 700; }
.contact-profile p { color: rgba(255,255,255,0.6); font-size: 0.85rem; }

.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: 16px;
}
.cd-icon { font-size: 1.3rem; }
.contact-detail div { display: flex; flex-direction: column; }
.contact-detail small { color: rgba(255,255,255,0.5); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; }
.contact-detail a, .contact-detail span { color: rgba(255,255,255,0.85); font-size: 0.9rem; font-weight: 500; }
.contact-detail a:hover { color: var(--accent); }

.availability {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  color: #34d399;
  font-size: 0.88rem;
  font-weight: 600;
}
.avail-dot {
  width: 8px; height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

/* Form */
.contact-form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 40px;
  backdrop-filter: blur(10px);
}
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group label {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--border-radius-sm);
  color: #fff;
  font-family: var(--font-main);
  font-size: 0.92rem;
  padding: 12px 16px;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
}
.form-group select option { background: var(--bg-dark); color: #fff; }
.form-group textarea { resize: vertical; min-height: 100px; }

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-dark);
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: 50px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(245,158,11,0.4); }
.submit-icon { font-size: 1.1rem; }

.form-success {
  display: none;
  margin-top: 16px;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  color: #34d399;
  border-radius: var(--border-radius-sm);
  padding: 14px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}

/* ── FOOTER ── */
.footer { background: #060d25; border-top: 1px solid rgba(255,255,255,0.06); padding: 70px 0 0; }
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 60px;
  padding-bottom: 60px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.footer-name { display: block; color: var(--text-white); font-size: 1.1rem; font-weight: 800; letter-spacing: 0.04em; }
.footer-logo small { color: rgba(255,255,255,0.5); font-size: 0.78rem; }
.footer-desc { color: rgba(255,255,255,0.5); font-size: 0.88rem; line-height: 1.8; margin-top: 4px; }

.footer-links h4, .footer-subjects h4, .footer-contact h4 {
  color: var(--text-white);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(245,158,11,0.3);
}
.footer-links ul li, .footer-subjects ul li {
  margin-bottom: 10px;
}
.footer-links ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  transition: var(--transition);
}
.footer-links ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-subjects ul li { color: rgba(255,255,255,0.55); font-size: 0.88rem; }

.footer-contact p { color: rgba(255,255,255,0.55); font-size: 0.88rem; margin-bottom: 10px; }
.footer-cta {
  display: inline-block;
  margin-top: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 10px 22px;
  border-radius: 50px;
  transition: var(--transition);
}
.footer-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.35); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  padding: 24px 32px;
}
.footer-bottom p { color: rgba(255,255,255,0.35); font-size: 0.82rem; }

/* ── SCROLL TO TOP ── */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(26,58,143,0.4);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 999;
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(26,58,143,0.5); }

/* ── ANIMATIONS (Intersection Observer) ── */
[data-aos] { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-aos].animated { opacity: 1; transform: translateY(0); }
[data-aos="fade-right"] { transform: translateX(-40px); }
[data-aos="fade-right"].animated { transform: translateX(0); }
[data-aos="fade-left"] { transform: translateX(40px); }
[data-aos="fade-left"].animated { transform: translateX(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr 1fr; gap: 48px; }
  .exp-grid { grid-template-columns: 1fr; gap: 48px; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .testi-grid { grid-template-columns: 1fr 1fr; }
  .footer-container { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: rgba(11,20,55,0.98);
    padding: 24px;
    gap: 8px;
    backdrop-filter: blur(20px);
  }
  .hamburger { display: flex; }
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-image-wrapper { order: -1; max-width: 400px; margin: 0 auto; }
  .hero-checks { align-items: flex-start; text-align: left; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; flex-wrap: wrap; }
  .badge-1, .badge-2 { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.wide { grid-column: span 2; }
  .gallery-item.tall { grid-row: span 1; aspect-ratio: 4/3; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr 1fr; gap: 32px; }
  .achievements-banner { padding: 32px 24px; gap: 24px; }
  .ach-divider { display: none; }
  .section { padding: 70px 0; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 3rem; }
  .section-title { font-size: 1.8rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.wide { grid-column: span 1; }
  .footer-container { grid-template-columns: 1fr; gap: 32px; }
}