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

:root {
  --bg: #000000;
  --bg2: #020817;
  --bg3: #0f172a;
  --blue: #3b82f6;
  --cyan: #06b6d4;
  --purple: #a855f7;
  --pink: #ec4899;
  --indigo: #6366f1;
  --white: #ffffff;
  --gray1: #f1f5f9;
  --gray2: #94a3b8;
  --gray3: #475569;
  --gray4: #1e293b;
  --card-bg: rgba(255,255,255,0.05);
  --card-border: rgba(59,130,246,0.2);
  --radius: 1rem;
  --radius-sm: 0.75rem;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* ===== UTILITIES ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.text-white { color: var(--white); }
.text-muted { color: var(--gray2); line-height: 1.7; }
.text-muted-sm { color: var(--gray2); font-size: 0.85rem; line-height: 1.6; }
.text-light { color: #e2e8f0; line-height: 1.7; }
.accent-text { color: var(--blue); }
.cyan-text { color: var(--cyan); }
.purple-text { color: var(--purple); }
.blue-text { color: var(--blue); }
.gradient-text { background: linear-gradient(to right, var(--blue), var(--cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.cyan-gradient-text { background: linear-gradient(to right, var(--cyan), var(--blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-half { margin-bottom: 0.5rem; }
.mt-section { margin-top: 4rem; }
.mb-section { margin-bottom: 2.5rem; }
.mx-auto { margin: 0 auto; }
.max-w-3xl { max-width: 48rem; }
.text-center { text-align: center; }
.full-width { width: 100%; justify-content: center; }
.hidden { display: none !important; }

/* ===== BACKGROUNDS ===== */
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(to right, #1e293b 1px, transparent 1px),
                    linear-gradient(to bottom, #1e293b 1px, transparent 1px);
  background-size: 4rem 4rem;
  opacity: 0.1;
}
.orb {
  position: absolute; width: 24rem; height: 24rem;
  border-radius: 50%; filter: blur(80px); pointer-events: none;
}
.orb-top-right { top: 5%; right: 0; background: rgba(59,130,246,0.1); }
.orb-bottom-left { bottom: 5%; left: 0; background: rgba(6,182,212,0.1); }

/* ===== GRADIENTS ===== */
.blue-grad { background: linear-gradient(135deg, var(--blue), #1d4ed8); }
.cyan-grad { background: linear-gradient(135deg, var(--cyan), var(--blue)); }
.purple-grad { background: linear-gradient(135deg, var(--purple), #7c3aed); }
.pink-grad { background: linear-gradient(135deg, var(--purple), var(--pink)); }
.indigo-grad { background: linear-gradient(135deg, var(--indigo), var(--blue)); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15,23,42,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 0.6rem; }
.logo-icon {
  width: 2.5rem; height: 2.5rem; border-radius: 0.5rem;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.logo-text {
  font-weight: 700; font-size: 1.2rem;
  background: linear-gradient(to right, var(--purple), var(--blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-links { display: flex; gap: 2rem; }
.nav-btn {
  color: var(--gray2); font-size: 0.95rem;
  transition: color 0.2s;
  padding: 0.25rem 0;
  position: relative;
}
.nav-btn::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: linear-gradient(to right, var(--purple), var(--blue));
  transform: scaleX(0); transition: transform 0.2s;
}
.nav-btn:hover { color: var(--white); }
.nav-btn.active { color: var(--purple); font-weight: 600; }
.nav-btn.active::after { transform: scaleX(1); }

.hamburger { display: none; color: var(--white); font-size: 1.3rem; }

.mobile-menu {
  display: none; flex-direction: column; gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--bg3);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu.open { display: flex; }
.mobile-btn { color: var(--gray2); text-align: left; font-size: 0.95rem; transition: color 0.2s; }
.mobile-btn:hover { color: var(--purple); }

/* ===== PAGE SYSTEM ===== */
.page { display: none; padding-top: 4.5rem; }
.page.active { display: block; }

/* ===== SECTIONS ===== */
.section { padding: 5rem 0; position: relative; background: linear-gradient(135deg, #000 0%, #020817 50%, #0a1628 100%); }
.about-section, .contact-section { background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%); overflow: hidden; }
.pb-extra { padding-bottom: 6rem; }

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-title { font-size: 2.8rem; color: var(--white); margin-bottom: 0.75rem; font-weight: 700; }
.sub-title { font-size: 1.6rem; color: var(--white); font-weight: 600; display: flex; align-items: center; gap: 0.75rem; }
.divider { width: 6rem; height: 3px; background: linear-gradient(to right, var(--blue), var(--cyan)); margin: 0 auto 1.5rem; border-radius: 2px; }
.badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem; margin-bottom: 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  font-size: 0.85rem; color: var(--gray2);
  backdrop-filter: blur(4px);
}
.badge i { color: var(--blue); font-size: 0.8rem; }

/* ===== CARDS ===== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(12px);
}
.card-header-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.card-header-row h3 { font-size: 1.25rem; font-weight: 600; }
.card-icon {
  width: 3rem; height: 3rem; border-radius: 0.6rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.mission-card {
  background: linear-gradient(135deg, rgba(168,85,247,0.15), rgba(59,130,246,0.15));
  border: 1px solid rgba(168,85,247,0.3);
}

/* ===== GRIDS ===== */
.cards-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.cards-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ===== HERO ===== */
.hero-section { min-height: calc(100vh - 4.5rem); display: flex; align-items: center; padding: 5rem 0 4rem; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-content { display: flex; flex-direction: column; gap: 1.25rem; }
.hero-title { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; font-weight: 700; }
.hero-subtitle { font-size: 1.5rem; color: var(--blue); font-family: 'JetBrains Mono', monospace; min-height: 2rem; }
.hero-desc { color: var(--gray2); font-size: 1rem; line-height: 1.75; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; padding-top: 0.5rem; }

.hero-photo-wrap { display: flex; justify-content: center; position: relative; }
.photo-glow {
  position: absolute; inset: -0.5rem;
  background: linear-gradient(to right, var(--blue), var(--cyan));
  border-radius: 1rem; filter: blur(24px); opacity: 0.6;
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 0.6; } 50% { opacity: 0.9; } }
.photo-frame {
  position: relative; width: 300px; height: 380px;
  overflow: hidden; border-radius: 1rem;
  border: 2px solid rgba(59,130,246,0.5);
  box-shadow: 0 25px 60px rgba(59,130,246,0.3);
  background: linear-gradient(135deg, #1e293b, #0f172a);
}
.hero-photo { width: 100%; height: 100%; object-fit: cover; }
.photo-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.5), transparent); }

/* ===== TOOL CARDS ===== */
.tool-card {
  background: var(--card-bg); backdrop-filter: blur(12px);
  border: 1px solid rgba(59,130,246,0.2); border-radius: var(--radius);
  padding: 2rem; display: flex; flex-direction: column; gap: 0.75rem;
  transition: all 0.3s;
}
.tool-card:hover { border-color: rgba(59,130,246,0.5); transform: translateY(-6px); box-shadow: 0 20px 50px rgba(59,130,246,0.2); }
.tool-icon {
  width: 4rem; height: 4rem; border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; box-shadow: 0 8px 20px rgba(59,130,246,0.4);
}
.tool-card h3 { font-size: 1.3rem; }
.tools-used { font-size: 0.8rem; color: var(--gray3); }

/* ===== PROJECT CARDS ===== */
.project-card {
  background: var(--card-bg); backdrop-filter: blur(12px);
  border: 1px solid rgba(59,130,246,0.2); border-radius: var(--radius);
  overflow: hidden; transition: all 0.3s;
}
.project-card:hover { border-color: rgba(59,130,246,0.5); box-shadow: 0 20px 50px rgba(59,130,246,0.2); }
.project-preview {
  height: 12rem; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(30,41,59,0.8), rgba(6,182,212,0.1));
  border-bottom: 1px solid rgba(59,130,246,0.2);
  font-size: 4rem; color: var(--blue);
}
.project-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }
.project-body h3 { font-size: 1.2rem; }
.project-links { display: flex; gap: 0.75rem; margin-top: 0.25rem; }

/* ===== TAGS ===== */
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  padding: 0.2rem 0.75rem;
  background: rgba(59,130,246,0.15);
  color: var(--blue);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 999px; font-size: 0.78rem;
}
.cyan-tag { background: rgba(6,182,212,0.15); color: var(--cyan); border-color: rgba(6,182,212,0.3); }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: linear-gradient(to right, var(--blue), var(--cyan));
  color: var(--white); border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 500;
  transition: all 0.3s; box-shadow: 0 8px 20px rgba(59,130,246,0.3);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(59,130,246,0.5); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: rgba(255,255,255,0.05); color: var(--white);
  border: 1px solid rgba(59,130,246,0.3); border-radius: var(--radius-sm);
  font-size: 0.95rem; backdrop-filter: blur(4px);
  transition: all 0.3s;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(59,130,246,0.6); }

.btn-ghost-sm {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: rgba(255,255,255,0.05); color: var(--gray2);
  border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-sm);
  font-size: 0.88rem; transition: all 0.3s;
}
.btn-ghost-sm:hover { color: var(--white); border-color: rgba(59,130,246,0.4); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: rgba(59,130,246,0.1); color: var(--blue);
  border: 1px solid rgba(59,130,246,0.3); border-radius: var(--radius-sm);
  font-size: 0.88rem; transition: all 0.3s;
}
.btn-outline:hover { background: rgba(59,130,246,0.2); }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.about-story { display: flex; flex-direction: column; gap: 1.25rem; }
.about-photo-col { display: flex; flex-direction: column; gap: 1.5rem; }
.about-photo-wrap { position: relative; }
.about-photo-glow {
  position: absolute; inset: -3px;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  border-radius: 1rem; opacity: 0.7; filter: blur(4px);
}
.about-photo-frame {
  position: relative; border-radius: 1rem; overflow: hidden;
  background: var(--bg3);
}
.about-photo { width: 100%; height: 400px; object-fit: cover; }
.photo-caption {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 1.25rem;
  background: rgba(255,255,255,0.08); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1); margin: 0.75rem; border-radius: 0.75rem;
}
.font-semibold { font-weight: 600; }

.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stat-card {
  background: var(--card-bg); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.75rem; padding: 1.25rem; text-align: center;
  transition: background 0.2s;
}
.stat-card:hover { background: rgba(255,255,255,0.08); }
.stat-num { font-size: 2.2rem; font-weight: 700; margin-bottom: 0.25rem; }
.stat-label { color: var(--gray1); font-size: 0.9rem; }
.stat-sub { color: var(--gray3); font-size: 0.75rem; margin-top: 0.25rem; }

/* ===== VALUE CARDS ===== */
.value-card {
  background: var(--card-bg); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.75rem; padding: 1.5rem;
  transition: all 0.3s;
}
.value-card:hover { background: rgba(255,255,255,0.08); }
.value-icon {
  width: 3.5rem; height: 3.5rem; border-radius: 0.6rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1rem;
}
.value-card h4 { font-size: 1rem; font-weight: 600; margin-bottom: 0.4rem; }

/* ===== LANGUAGES ===== */
.lang-card {
  background: var(--card-bg); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.75rem; padding: 1.5rem; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  transition: all 0.3s;
}
.lang-card:hover { border-color: rgba(59,130,246,0.4); transform: translateY(-4px); }
.lang-flag { font-size: 2.5rem; }
.lang-card h4 { font-size: 1rem; font-weight: 600; }
.lang-badge {
  padding: 0.25rem 0.9rem; border-radius: 999px; font-size: 0.75rem; font-weight: 500;
}
.lang-badge.native { background: rgba(59,130,246,0.15); color: var(--blue); border: 1px solid rgba(59,130,246,0.3); }
.lang-badge.fluent { background: rgba(6,182,212,0.15); color: var(--cyan); border: 1px solid rgba(6,182,212,0.3); }
.lang-badge.conversational { background: rgba(168,85,247,0.15); color: var(--purple); border: 1px solid rgba(168,85,247,0.3); }

/* ===== SERVICES ===== */
.service-card {
  background: var(--card-bg); border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius); padding: 2rem;
  transition: all 0.3s;
}
.service-card:hover { border-color: rgba(59,130,246,0.5); transform: translateY(-6px); box-shadow: 0 20px 50px rgba(59,130,246,0.15); }
.service-icon {
  width: 4rem; height: 4rem; border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 1.25rem;
  box-shadow: 0 8px 20px rgba(59,130,246,0.3);
}
.service-card h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
.service-list { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.service-list li { color: var(--gray2); font-size: 0.88rem; padding-left: 1rem; position: relative; }
.service-list li::before { content: '→'; position: absolute; left: 0; color: var(--blue); }

/* ===== SKILLS ===== */
.skill-card {
  background: var(--card-bg); border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius); padding: 1.5rem;
  transition: all 0.3s;
}
.skill-card:hover { border-color: rgba(59,130,246,0.5); transform: translateY(-6px); box-shadow: 0 20px 50px rgba(59,130,246,0.15); }
.skill-card.cyan-card { border-color: rgba(6,182,212,0.2); }
.skill-card.cyan-card:hover { border-color: rgba(6,182,212,0.5); box-shadow: 0 20px 50px rgba(6,182,212,0.15); }
.skill-icon {
  width: 3.5rem; height: 3.5rem; border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1rem;
  box-shadow: 0 6px 16px rgba(59,130,246,0.4);
  transition: transform 0.3s;
}
.skill-card:hover .skill-icon { transform: scale(1.1); }
.skill-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }

.progress-wrap { margin-top: 1rem; }
.progress-bar { width: 100%; height: 8px; background: rgba(255,255,255,0.08); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 999px; transition: width 1.2s ease; }
.blue-bar { background: linear-gradient(to right, var(--blue), var(--cyan)); box-shadow: 0 0 10px rgba(59,130,246,0.5); }
.cyan-bar { background: linear-gradient(to right, var(--cyan), var(--blue)); box-shadow: 0 0 10px rgba(6,182,212,0.5); }
.progress-labels { display: flex; justify-content: space-between; margin-top: 0.4rem; }

/* ===== EDUCATION ===== */
.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.edu-card {
  background: var(--card-bg); border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.25rem;
  transition: all 0.3s; backdrop-filter: blur(8px);
}
.edu-card:hover { border-color: rgba(59,130,246,0.4); box-shadow: 0 15px 40px rgba(59,130,246,0.15); }
.edu-card.cyan-border { border-color: rgba(6,182,212,0.2); }
.edu-card.cyan-border:hover { border-color: rgba(6,182,212,0.4); }
.edu-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.75rem; gap: 1rem; }
.edu-header h4 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.edu-date { display: flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; color: var(--gray2); white-space: nowrap; background: rgba(255,255,255,0.05); padding: 0.3rem 0.75rem; border-radius: 0.5rem; }

.cert-card {
  background: var(--card-bg); border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius); padding: 1.1rem; margin-bottom: 0.75rem;
  display: flex; gap: 1rem; align-items: flex-start;
  transition: all 0.3s; backdrop-filter: blur(8px);
}
.cert-card:hover { border-color: rgba(59,130,246,0.4); box-shadow: 0 10px 30px rgba(59,130,246,0.15); }
.cert-icon {
  width: 3rem; height: 3rem; border-radius: 0.6rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(59,130,246,0.4);
}
.cert-card h4 { font-size: 0.95rem; margin-bottom: 0.25rem; }
.cert-status { font-size: 0.78rem; margin-top: 0.5rem; display: flex; align-items: center; gap: 0.3rem; }
.cert-status.done { color: #4ade80; }
.cert-status.progress { color: var(--blue); }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 2fr 3fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.contact-info { display: flex; flex-direction: column; gap: 1rem; }

.info-card {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.3rem; background: rgba(7, 18, 37, 0.9);
  backdrop-filter: blur(16px); border-radius: calc(var(--radius-sm) + 0.25rem);
  border: 1px solid rgba(59,130,246,0.15);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
  transition: all 0.3s;
}
.info-card:hover { transform: translateY(-3px); border-color: rgba(59,130,246,0.35); }
.info-card.blue-border { border-image: linear-gradient(135deg, rgba(59,130,246,0.4), rgba(6,182,212,0.4)) 1; }
.info-card.blue-border:hover { border-color: rgba(59,130,246,0.5); }
.info-card.cyan-border { border-image: linear-gradient(135deg, rgba(6,182,212,0.4), rgba(59,130,246,0.4)) 1; }
.info-card.cyan-border:hover { border-color: rgba(6,182,212,0.5); }
.info-card.indigo-border { border-image: linear-gradient(135deg, rgba(99,102,241,0.35), rgba(59,130,246,0.35)) 1; }
.info-card.indigo-border:hover { border-color: rgba(99,102,241,0.5); }

.info-icon {
  width: 3.3rem; height: 3.3rem; border-radius: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(6,182,212,0.2));
  border: 1px solid rgba(255,255,255,0.08);
}
.info-label { font-size: 0.72rem; color: var(--gray3); text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: 0.25rem; }
.info-value { color: var(--white); font-size: 0.95rem; font-weight: 600; }
.info-sub { font-size: 0.75rem; color: var(--gray3); margin-top: 0.2rem; }

.social-row { display: flex; gap: 0.75rem; margin-top: 0.75rem; }
.social-btn {
  width: 3rem; height: 3rem; border-radius: 50%;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(59,130,246,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray2); font-size: 1rem;
  transition: all 0.3s;
}
.social-btn:hover { transform: translateY(-2px); border-color: rgba(59,130,246,0.6); color: var(--blue); background: rgba(59,130,246,0.12); }

/* Contact Form */
.contact-form-wrap {
  position: relative;
  background: rgba(6, 20, 44, 0.92);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: calc(var(--radius) + 0.25rem);
  padding: 2rem; backdrop-filter: blur(18px);
  box-shadow: 0 35px 60px rgba(0, 0, 0, 0.25);
}
.contact-form-wrap::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(59,130,246,0.15), transparent 40%, rgba(6,182,212,0.08));
  pointer-events: none;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.55rem; margin-bottom: 1.25rem; position: relative; z-index: 1; }
.form-group:last-child { margin-bottom: 0; }
.form-group label { font-size: 0.88rem; color: var(--gray2); }

.contact-form-wrap input,
.contact-form-wrap select,
.contact-form-wrap textarea {
  width: 100%; padding: 0.95rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: calc(var(--radius-sm) + 0.2rem);
  color: var(--white); font-family: inherit; font-size: 0.95rem;
  transition: all 0.2s; outline: none;
}
.contact-form-wrap select { background: rgba(15, 23, 42, 0.95); }
.contact-form-wrap input::placeholder,
.contact-form-wrap textarea::placeholder { color: rgba(255,255,255,0.35); }
.contact-form-wrap input:focus,
.contact-form-wrap select:focus,
.contact-form-wrap textarea:focus {
  border-color: rgba(59,130,246,0.7);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.15);
}
.contact-form-wrap textarea { resize: none; min-height: 180px; }

.secure-note {
  color: var(--gray2);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  line-height: 1.7;
  border-left: 2px solid rgba(59,130,246,0.7);
  padding-left: 1rem;
  position: relative;
  z-index: 1;
}

.form-success {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 4rem 1rem; gap: 1.25rem; text-align: center;
  position: relative; z-index: 1;
}

.success-icon {
  width: 5rem; height: 5rem; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; box-shadow: 0 15px 40px rgba(59,130,246,0.5);
}
.form-success h3 { font-size: 1.5rem; }
.success-icon {
  width: 5rem; height: 5rem; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; box-shadow: 0 15px 40px rgba(59,130,246,0.5);
}
.form-success h3 { font-size: 1.5rem; }

.cta-banner {
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(6,182,212,0.15));
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius); padding: 2.5rem; text-align: center;
  backdrop-filter: blur(8px); position: relative; overflow: hidden;
}
.cta-banner h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }

/* ===== FOOTER ===== */
.footer { background: #020817; padding: 4rem 0 2rem; border-top: 1px solid rgba(255,255,255,0.08); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-logo { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.footer-logo h3 { font-size: 1.1rem; font-weight: 600; }
.footer-about p { margin-bottom: 1.25rem; }
.footer-links h4, .footer-services h4 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.footer-links ul, .footer-services ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links button { color: var(--gray2); font-size: 0.9rem; transition: color 0.2s; }
.footer-links button:hover { color: var(--purple); }
.footer-services li { color: var(--gray2); font-size: 0.9rem; }
.footer-social { width: 2.5rem; height: 2.5rem; font-size: 0.9rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.5rem;
}
.footer-bottom p { font-size: 0.85rem; }
.footer-tagline { text-align: center; font-size: 0.78rem; color: var(--gray3); margin-top: 1rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .cards-grid-3 { grid-template-columns: 1fr 1fr; }
  .cards-grid-4 { grid-template-columns: 1fr 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: block; }

  .cards-grid-3 { grid-template-columns: 1fr; }
  .cards-grid-4 { grid-template-columns: 1fr 1fr; }

  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-photo-wrap { order: -1; }
  .hero-buttons { justify-content: center; }
  .photo-frame { width: 220px; height: 280px; }

  .section-title { font-size: 2rem; }

  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .about-photo { height: 280px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .cards-grid-4 { grid-template-columns: 1fr; }
  .hero-title { font-size: 2rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
}