/* ============================================
   ADITYA SHARMA PORTFOLIO — COMPLETE CSS
   Design: Tech-Dark Luxury | Syne + Figtree
   ============================================ */

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

:root {
  --bg: #060c1d;
  --bg2: #0b1326;
  --bg3: #0f1a35;
  --surface: #121e3a;
  --card: #14213d;
  --card2: #1a2b50;
  --border: rgba(99,132,255,.15);
  --border2: rgba(99,132,255,.25);
  --blue: #4361ee;
  --blue-light: #6381ff;
  --blue-glow: rgba(67,97,238,.35);
  --cyan: #00b9f1;
  --teal: #00d4aa;
  --pink: #f72585;
  --amber: #f8961e;
  --green: #06d6a0;
  --text: #e8f0fe;
  --text2: #a0b0d0;
  --text3: #627499;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Figtree', sans-serif;
  --display: 'Syne', sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 8px 40px rgba(0,0,0,.4);
  --shadow-blue: 0 8px 40px rgba(67,97,238,.2);
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* ---- SELECTION ---- */
::selection { background: var(--blue); color: #fff; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(6,12,29,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all .3s ease;
}
.navbar.scrolled {
  background: rgba(6,12,29,.97);
  box-shadow: 0 4px 30px rgba(0,0,0,.4);
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 68px;
}
.nav-logo {
  font-family: var(--mono); font-size: 18px; font-weight: 600;
  color: var(--text); text-decoration: none; letter-spacing: -0.5px;
}
.logo-bracket { color: var(--blue); }
.logo-dot { color: var(--cyan); }
.nav-links {
  display: flex; align-items: center; gap: 4px;
}
.nav-link {
  color: var(--text2); text-decoration: none; font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: all .2s ease; position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; background: var(--blue); border-radius: 2px;
  transition: width .2s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 60%; }
.nav-cta {
  background: var(--blue); color: #fff; text-decoration: none;
  font-size: 13px; font-weight: 600; padding: 9px 20px; border-radius: 8px;
  margin-left: 12px; transition: all .2s ease; letter-spacing: .3px;
}
.nav-cta:hover { background: var(--blue-light); transform: translateY(-1px); box-shadow: var(--shadow-blue); }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px; transition: all .3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 90px 24px 60px; position: relative; overflow: hidden;
  max-width: 1200px; margin: 0 auto; gap: 60px;
}
.hero-bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(67,97,238,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67,97,238,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: .3; animation: orbFloat 8s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, #4361ee, transparent); top: -150px; left: -150px; }
.orb-2 { width: 400px; height: 400px; background: radial-gradient(circle, #00b9f1, transparent); bottom: -100px; right: -100px; animation-delay: -3s; }
.orb-3 { width: 300px; height: 300px; background: radial-gradient(circle, #f72585, transparent); top: 50%; right: 30%; animation-delay: -6s; opacity: .15; }
@keyframes orbFloat { 0%,100%{transform:translate(0,0)} 50%{transform:translate(20px,-20px)} }

.hero-content { flex: 1; max-width: 600px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,212,170,.1); border: 1px solid rgba(0,212,170,.25);
  color: var(--teal); font-size: 13px; font-weight: 600;
  padding: 6px 16px; border-radius: 20px; margin-bottom: 24px;
  animation: fadeInUp .6s ease;
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--teal);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.6;transform:scale(1.3)} }

.hero-title {
  font-family: var(--display); font-size: clamp(36px,5vw,64px); font-weight: 800;
  line-height: 1.1; margin-bottom: 16px; letter-spacing: -1px;
  animation: fadeInUp .7s .1s ease both;
}
.name-highlight {
  background: linear-gradient(135deg, var(--blue-light), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle {
  font-size: clamp(20px,3vw,28px); font-weight: 600; color: var(--text2);
  margin-bottom: 20px; height: 40px; display: flex; align-items: center; gap: 8px;
  animation: fadeInUp .7s .2s ease both;
}
.typewriter { color: var(--blue); font-family: var(--mono); font-size: .9em; }
.typewriter::after { content: '|'; animation: blink 1s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-description {
  font-size: 16px; color: var(--text2); line-height: 1.8; margin-bottom: 32px;
  max-width: 520px; animation: fadeInUp .7s .3s ease both;
}
.hero-description strong { color: var(--text); }

.hero-stats { display: flex; align-items: center; gap: 0; margin-bottom: 36px; animation: fadeInUp .7s .4s ease both; }
.stat-item { padding: 0 24px; }
.stat-item:first-child { padding-left: 0; }
.stat-num { display: block; font-family: var(--display); font-size: 32px; font-weight: 800; color: var(--blue-light); line-height: 1; }
.stat-label { display: block; font-size: 12px; color: var(--text3); margin-top: 3px; text-transform: uppercase; letter-spacing: 1px; }
.stat-divider { width: 1px; height: 44px; background: var(--border2); }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; animation: fadeInUp .7s .5s ease both; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: #fff; text-decoration: none; font-weight: 600; font-size: 15px;
  padding: 13px 28px; border-radius: 10px; border: none; cursor: pointer;
  transition: all .25s ease; box-shadow: 0 4px 20px rgba(67,97,238,.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(67,97,238,.5); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(67,97,238,.12); border: 1px solid var(--border2);
  color: var(--blue-light); text-decoration: none; font-weight: 600; font-size: 15px;
  padding: 13px 28px; border-radius: 10px; transition: all .25s ease;
}
.btn-secondary:hover { background: rgba(67,97,238,.2); transform: translateY(-2px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 1px solid var(--border2);
  color: var(--text2); text-decoration: none; font-weight: 500; font-size: 15px;
  padding: 13px 20px; border-radius: 10px; transition: all .25s ease;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text3); transform: translateY(-2px); }

/* Hero Photo */
.hero-photo { flex-shrink: 0; position: relative; width: 380px; height: 380px; animation: fadeInUp .8s .3s ease both; }
.photo-ring {
  position: absolute; border-radius: 50%; border: 1px solid;
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.ring-1 { width: 360px; height: 360px; border-color: rgba(67,97,238,.2); animation: spin 20s linear infinite; }
.ring-2 { width: 420px; height: 420px; border-color: rgba(0,185,241,.1); animation: spin 30s linear infinite reverse; }
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }
.photo-frame {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 280px; height: 280px; border-radius: 50%; overflow: hidden;
  border: 3px solid rgba(67,97,238,.5);
  box-shadow: 0 0 60px rgba(67,97,238,.3), inset 0 0 30px rgba(67,97,238,.1);
}
.profile-img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.tech-float {
  position: absolute; background: var(--surface); border: 1px solid var(--border2);
  color: var(--blue-light); font-size: 11px; font-weight: 700; font-family: var(--mono);
  padding: 7px 14px; border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
  animation: floatBob 3s ease-in-out infinite;
}
.float-1 { top: 10%; left: -10%; animation-delay: 0s; }
.float-2 { top: 20%; right: -8%; animation-delay: .8s; }
.float-3 { bottom: 20%; left: -8%; animation-delay: 1.6s; }
.float-4 { bottom: 10%; right: -6%; animation-delay: 2.4s; }
@keyframes floatBob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }

.scroll-indicator {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px; color: var(--text3); letter-spacing: 2px; text-transform: uppercase;
}
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--text3), transparent); animation: scrollAnim 2s ease infinite; }
@keyframes scrollAnim { 0%{transform:scaleY(0);transform-origin:top} 50%{transform:scaleY(1)} 100%{transform:scaleY(0);transform-origin:bottom} }

/* Animations */
@keyframes fadeInUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }

/* ---- SECTION BASE ---- */
.section { padding: 100px 24px; }
.container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-label {
  display: inline-block; font-family: var(--mono); font-size: 12px; font-weight: 600;
  color: var(--blue); letter-spacing: 3px; text-transform: uppercase;
  background: rgba(67,97,238,.1); border: 1px solid rgba(67,97,238,.2);
  padding: 4px 14px; border-radius: 20px; margin-bottom: 14px;
}
.section-title {
  font-family: var(--display); font-size: clamp(28px,4vw,44px);
  font-weight: 800; color: var(--text); letter-spacing: -0.5px; margin-bottom: 12px;
}
.title-line {
  width: 60px; height: 3px; background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 2px; margin: 0 auto;
}
.section-desc { max-width: 560px; margin: 20px auto 0; color: var(--text2); font-size: 16px; line-height: 1.7; }

/* ---- ABOUT ---- */
.about-section { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 320px 1fr; gap: 60px; align-items: start; }
.about-photo-wrap { position: relative; margin-bottom: 28px; }
.about-photo {
  width: 100%; aspect-ratio: 3/4; object-fit: cover; object-position: top;
  border-radius: var(--radius); border: 2px solid var(--border2);
}
.about-photo-deco {
  position: absolute; top: 16px; left: 16px; right: -8px; bottom: -8px;
  border: 2px solid var(--blue); border-radius: var(--radius); z-index: -1; opacity: .4;
}
.about-quick-info { display: flex; flex-direction: column; gap: 12px; }
.quick-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--text2);
}
.quick-item svg { color: var(--blue); flex-shrink: 0; }
.about-headline {
  font-family: var(--display); font-size: 22px; font-weight: 700;
  color: var(--text); margin-bottom: 20px; line-height: 1.35;
}
.about-text { color: var(--text2); margin-bottom: 16px; font-size: 15px; line-height: 1.8; }
.about-text strong { color: var(--text); }
.career-goal {
  display: flex; gap: 16px; background: rgba(67,97,238,.08);
  border: 1px solid var(--border); border-left: 3px solid var(--blue);
  padding: 18px 20px; border-radius: var(--radius-sm); margin: 24px 0;
}
.goal-icon { font-size: 24px; flex-shrink: 0; }
.career-goal strong { display: block; color: var(--text); font-size: 14px; margin-bottom: 4px; }
.career-goal p { font-size: 13px; color: var(--text2); margin: 0; line-height: 1.6; }
.block-title {
  font-family: var(--display); font-size: 16px; font-weight: 700;
  color: var(--text); margin-bottom: 16px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.edu-timeline { display: flex; flex-direction: column; gap: 0; margin-bottom: 28px; }
.edu-item {
  display: flex; gap: 20px; padding: 12px 0;
  border-left: 2px solid var(--border); margin-left: 10px; padding-left: 20px;
  position: relative;
}
.edu-item::before {
  content: ''; position: absolute; left: -6px; top: 18px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--blue); border: 2px solid var(--bg2);
}
.edu-year { font-family: var(--mono); font-size: 11px; color: var(--blue); min-width: 80px; padding-top: 2px; }
.edu-content { display: flex; flex-direction: column; gap: 2px; }
.edu-content strong { font-size: 14px; color: var(--text); }
.edu-content span { font-size: 12px; color: var(--text2); }
.edu-grade { color: var(--teal) !important; font-weight: 600; }
.strengths-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.strength-card {
  background: var(--surface); border: 1px solid var(--border);
  padding: 12px 14px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500;
  color: var(--text2); text-align: center; transition: all .2s;
}
.strength-card:hover { border-color: var(--blue); color: var(--text); transform: translateY(-2px); }
.strength-card span { display: block; font-size: 20px; margin-bottom: 4px; }

/* ---- SKILLS ---- */
.skills-section { background: var(--bg); }
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 40px; }
.skill-category {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; transition: border-color .3s;
}
.skill-category:hover { border-color: var(--border2); }
.skill-cat-header { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.skill-cat-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.skill-cat-header h3 { font-family: var(--display); font-size: 17px; font-weight: 700; color: var(--text); }
.skill-bars { display: flex; flex-direction: column; gap: 16px; }
.skill-bar-item {}
.skill-bar-label { display: flex; justify-content: space-between; margin-bottom: 6px; }
.skill-bar-label span { font-size: 13px; font-weight: 500; color: var(--text2); }
.skill-pct { color: var(--blue-light) !important; font-family: var(--mono); font-size: 12px !important; }
.skill-bar-track { height: 6px; background: rgba(255,255,255,.06); border-radius: 3px; overflow: hidden; }
.skill-bar-fill {
  height: 100%; width: 0; border-radius: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transition: width 1.4s cubic-bezier(.4,0,.2,1);
}
.skill-bar-fill.animated { width: var(--target); }
.tools-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-chip {
  background: rgba(255,255,255,.05); border: 1px solid var(--border);
  color: var(--text2); font-size: 12px; font-weight: 500;
  padding: 6px 14px; border-radius: 20px; transition: all .2s;
}
.tool-chip:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,185,241,.08); }
.tech-stack-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; padding-top: 10px; }
.tech-pill {
  display: flex; align-items: center; gap: 7px;
  background: var(--surface); border: 1px solid var(--border);
  padding: 8px 18px; border-radius: 20px; font-size: 13px; font-weight: 600; color: var(--text2);
}
.tp-dot { width: 8px; height: 8px; border-radius: 50%; }

/* ---- PROJECTS ---- */
.projects-section { background: var(--bg2); }
.project-filters { display: flex; gap: 8px; justify-content: center; margin-bottom: 44px; flex-wrap: wrap; }
.filter-btn {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text2); font-size: 13px; font-weight: 600;
  padding: 9px 22px; border-radius: 20px; cursor: pointer; transition: all .2s;
}
.filter-btn:hover, .filter-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all .3s ease; display: flex; flex-direction: column;
}
.project-card:hover { border-color: var(--border2); transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.project-card.hidden { display: none; }
.featured-project { border-color: rgba(247,37,85,.2); }
.project-img-wrap {
  height: 160px; display: flex; align-items: center; justify-content: center;
  position: relative;
}
.project-img-icon { font-size: 52px; filter: drop-shadow(0 4px 12px rgba(0,0,0,.3)); }
.project-tag-top {
  position: absolute; top: 12px; right: 12px;
  background: var(--blue); color: #fff;
  font-size: 10px; font-weight: 700; font-family: var(--mono);
  padding: 4px 10px; border-radius: 4px; letter-spacing: 1px;
}
.project-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.project-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.project-year { font-family: var(--mono); font-size: 11px; color: var(--text3); }
.project-cat { font-size: 10px; font-weight: 700; padding: 3px 10px; border-radius: 4px; }
.cat-data { background: rgba(67,97,238,.15); color: var(--blue-light); }
.cat-ml { background: rgba(247,37,133,.15); color: #f07fb8; }
.cat-web { background: rgba(6,214,160,.15); color: var(--green); }
.project-title { font-family: var(--display); font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 10px; line-height: 1.3; }
.project-desc { font-size: 13px; color: var(--text2); line-height: 1.7; margin-bottom: 14px; }
.project-features { margin-bottom: 16px; }
.feature-item { font-size: 12px; color: var(--text3); padding: 2px 0; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; flex: 1 0 auto; }
.tech-badge {
  background: rgba(255,255,255,.05); border: 1px solid var(--border);
  color: var(--text3); font-size: 11px; font-weight: 600; font-family: var(--mono);
  padding: 3px 10px; border-radius: 4px;
}
.project-links { display: flex; gap: 10px; margin-top: auto; }
.proj-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; padding: 8px 16px; border-radius: 8px;
  text-decoration: none; transition: all .2s;
}
.proj-link-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: #fff;
}
.proj-link-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-blue); }
.proj-link-ghost {
  background: rgba(255,255,255,.05); border: 1px solid var(--border);
  color: var(--text2);
}
.proj-link-ghost:hover { border-color: var(--border2); color: var(--text); }
.projects-more { text-align: center; margin-top: 44px; }
.projects-more .btn-secondary { font-size: 15px; padding: 14px 32px; }

/* ---- EXPERIENCE ---- */
.experience-section { background: var(--bg); }
.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 130px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--blue), var(--cyan), transparent);
}
.timeline-item { display: flex; gap: 40px; margin-bottom: 48px; position: relative; }
.timeline-dot {
  position: absolute; left: 122px; top: 28px;
  width: 18px; height: 18px; background: var(--blue); border-radius: 50%;
  border: 3px solid var(--bg); box-shadow: 0 0 0 3px rgba(67,97,238,.3);
}
.timeline-date {
  min-width: 130px; font-family: var(--mono); font-size: 11px; color: var(--blue);
  padding-top: 28px; text-align: right; line-height: 1.4;
}
.timeline-card {
  flex: 1; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 26px;
  transition: border-color .3s;
}
.timeline-card:hover { border-color: var(--border2); }
.timeline-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
.timeline-header h3 { font-family: var(--display); font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.company-name { font-size: 13px; color: var(--blue); font-weight: 600; }
.exp-badge {
  background: rgba(67,97,238,.12); border: 1px solid rgba(67,97,238,.2);
  color: var(--blue); font-size: 11px; font-weight: 700; font-family: var(--mono);
  padding: 4px 12px; border-radius: 20px; white-space: nowrap;
}
.exp-badge-green { background: rgba(6,214,160,.12); border-color: rgba(6,214,160,.2); color: var(--green); }
.exp-badge-purple { background: rgba(188,140,255,.12); border-color: rgba(188,140,255,.2); color: #bc8cff; }
.timeline-bullets { padding-left: 18px; margin-bottom: 14px; }
.timeline-bullets li { font-size: 14px; color: var(--text2); margin-bottom: 6px; line-height: 1.6; }
.timeline-bullets li strong { color: var(--text); }
.timeline-skills { display: flex; flex-wrap: wrap; gap: 8px; }
.timeline-skills span {
  background: rgba(255,255,255,.04); border: 1px solid var(--border);
  font-size: 11px; color: var(--text3); padding: 3px 10px; border-radius: 4px;
}

/* ---- CERTIFICATIONS ---- */
.certs-section { background: var(--bg2); }
.certs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all .3s ease;
}
.cert-card:hover { transform: translateY(-4px); border-color: var(--border2); box-shadow: var(--shadow); }
.cert-icon { height: 80px; display: flex; align-items: center; justify-content: center; font-size: 36px; }
.cert-body { padding: 16px 18px; }
.cert-body h3 { font-family: var(--display); font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.cert-issuer { display: inline-block; color: var(--blue); font-size: 12px; font-weight: 600; margin-right: 8px; }
.cert-year { font-family: var(--mono); font-size: 11px; color: var(--text3); }
.cert-body p { font-size: 12px; color: var(--text2); margin: 10px 0; line-height: 1.6; }
.cert-link { font-size: 12px; font-weight: 600; color: var(--blue); text-decoration: none; transition: color .2s; }
.cert-link:hover { color: var(--cyan); }

/* ---- SERVICES ---- */
.services-section { background: var(--bg); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 22px;
  transition: all .3s; text-align: center;
}
.service-card:hover { transform: translateY(-6px); border-color: var(--blue); box-shadow: 0 12px 40px rgba(67,97,238,.15); }
.service-icon { font-size: 40px; margin-bottom: 16px; display: block; }
.service-card h3 { font-family: var(--display); font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.service-card p { font-size: 13px; color: var(--text2); line-height: 1.6; margin-bottom: 14px; }
.service-list { list-style: none; text-align: left; }
.service-list li { font-size: 12px; color: var(--text3); padding: 4px 0; padding-left: 14px; position: relative; }
.service-list li::before { content: '→'; position: absolute; left: 0; color: var(--blue); }

/* ---- RESUME ---- */
.resume-section { background: var(--bg2); }
.resume-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 60px; display: grid;
  grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.resume-left .section-label { display: inline-block; margin-bottom: 16px; }
.resume-left h2 { font-family: var(--display); font-size: 36px; font-weight: 800; margin-bottom: 14px; }
.resume-left p { color: var(--text2); font-size: 15px; margin-bottom: 24px; line-height: 1.7; }
.resume-highlights { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.resume-hl { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text2); }
.resume-hl span { color: var(--green); font-weight: 700; font-size: 16px; }
.resume-preview {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; font-size: 12px;
}
.rp-header { margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.rp-name { font-family: var(--display); font-size: 16px; font-weight: 800; color: var(--text); }
.rp-role { font-size: 11px; color: var(--blue); margin-top: 2px; }
.rp-section-bar { background: rgba(67,97,238,.15); color: var(--blue); font-family: var(--mono); font-size: 10px; font-weight: 700; padding: 4px 8px; border-radius: 4px; margin: 10px 0 6px; display: inline-block; }
.rp-line { height: 6px; background: rgba(255,255,255,.06); border-radius: 3px; margin: 5px 0; }
.rp-line-80 { width: 80%; }
.rp-line-60 { width: 60%; }
.rp-line-90 { width: 90%; }
.rp-line-70 { width: 70%; }
.rp-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.rp-chips span { background: rgba(67,97,238,.15); color: var(--blue); font-size: 10px; padding: 3px 8px; border-radius: 4px; font-family: var(--mono); }

/* ---- CONTACT ---- */
.contact-section { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-info { display: flex; flex-direction: column; gap: 22px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon-wrap {
  width: 46px; height: 46px; flex-shrink: 0;
  background: rgba(67,97,238,.1); border: 1px solid var(--border);
  border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--blue);
}
.contact-item strong { display: block; font-size: 12px; color: var(--text3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.contact-item a, .contact-item span { font-size: 14px; color: var(--text2); text-decoration: none; transition: color .2s; }
.contact-item a:hover { color: var(--blue); }
.contact-form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: .5px; }
.form-group input, .form-group textarea {
  background: var(--bg2); border: 1px solid var(--border);
  color: var(--text); font-family: var(--sans); font-size: 14px;
  padding: 12px 16px; border-radius: var(--radius-sm); outline: none;
  transition: border-color .2s; resize: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text3); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(67,97,238,.15); }
.form-submit { width: 100%; justify-content: center; font-size: 15px; padding: 14px; }
.form-success {
  display: none; text-align: center; color: var(--green);
  font-size: 14px; font-weight: 600; padding: 12px; margin-top: 12px;
  background: rgba(6,214,160,.1); border: 1px solid rgba(6,214,160,.2);
  border-radius: var(--radius-sm);
}
.form-success.show { display: block; animation: fadeInUp .4s ease; }

/* ---- FOOTER ---- */
.footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 56px 24px 28px; }
.footer .container { max-width: 1200px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-bottom: 40px; }
.footer-brand .nav-logo { font-size: 18px; margin-bottom: 12px; display: block; }
.footer-brand p { font-size: 13px; color: var(--text3); max-width: 300px; line-height: 1.6; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col strong { font-size: 12px; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.footer-col a { font-size: 13px; color: var(--text3); text-decoration: none; transition: color .2s; }
.footer-col a:hover { color: var(--blue); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text3);
}

/* ---- BACK TO TOP ---- */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 44px; height: 44px; background: var(--blue); color: #fff;
  border: none; border-radius: 10px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: all .3s ease; box-shadow: var(--shadow-blue);
}
.back-to-top.show { opacity: 1; transform: translateY(0); pointer-events: all; }
.back-to-top:hover { background: var(--blue-light); transform: translateY(-3px); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1100px) {
  .certs-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero { flex-direction: column; text-align: center; gap: 40px; padding-top: 100px; }
  .hero-photo { width: 260px; height: 260px; }
  .photo-frame { width: 200px; height: 200px; }
  .ring-1 { width: 240px; height: 240px; }
  .ring-2 { width: 290px; height: 290px; }
  .hero-stats { justify-content: center; }
  .hero-cta { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .about-left { display: grid; grid-template-columns: 200px 1fr; gap: 24px; }
  .about-photo { max-width: 200px; }
  .skills-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 0; }
  .timeline-item { flex-direction: column; gap: 8px; margin-left: 24px; }
  .timeline-dot { left: -32px; top: 16px; }
  .timeline-date { padding-top: 0; text-align: left; min-width: auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .resume-card { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .strengths-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; background: var(--bg2); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 2px; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .section { padding: 70px 20px; }
  .projects-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-left { grid-template-columns: 1fr; }
  .hero-title { font-size: 32px; }
  .resume-card { padding: 30px 24px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .tech-float { display: none; }
}
@media (max-width: 480px) {
  .certs-grid { grid-template-columns: 1fr; }
  .strengths-grid { grid-template-columns: 1fr 1fr; }
}