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

:root {
  --bg: #0a0e1a;
  --bg2: #0f1525;
  --bg3: #151c30;
  --card: #141929;
  --border: #1e2a45;
  --text: #e2e8f0;
  --text-muted: #7c8db0;
  --looker: #4285f4;
  --looker2: #34a853;
  --pbi: #f2c811;
  --pbi2: #e8721c;
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --green: #10b981;
  --red: #ef4444;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 2rem;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px;
  color: #fff;
}
.dot { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500; color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }
.btn-nav {
  background: var(--accent); color: #fff !important;
  padding: 0.5rem 1.25rem; border-radius: 8px; font-weight: 600 !important;
  transition: opacity 0.2s !important;
}
.btn-nav:hover { opacity: 0.85; }
.hamburger { display: none; background: none; border: none; color: #fff; font-size: 1.25rem; cursor: pointer; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: space-between;
  padding: 6rem 2rem 4rem;
  max-width: 1200px; margin: 0 auto;
  gap: 3rem; position: relative;
}
.hero-bg {
  position: fixed; inset: 0; z-index: -1;
  background: radial-gradient(ellipse 60% 50% at 70% 40%, rgba(99,102,241,0.12) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 20% 80%, rgba(66,133,244,0.08) 0%, transparent 60%);
}
.hero-eyebrow { margin-bottom: 1rem; }
.badge {
  background: rgba(99,102,241,0.15); border: 1px solid rgba(99,102,241,0.3);
  color: var(--accent2); padding: 0.35rem 0.9rem; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.5px;
}
.hero-content { flex: 1; max-width: 600px; }
.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800;
  line-height: 1.1; margin-bottom: 0.5rem; color: #fff;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--looker));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle { font-size: 1.25rem; color: var(--text-muted); font-weight: 400; margin-bottom: 1.25rem; }
.hero-desc { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 1rem; max-width: 520px; }
.hero-desc strong { color: var(--text); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2rem; }
.hero-tags span {
  background: var(--card); border: 1px solid var(--border);
  padding: 0.4rem 0.9rem; border-radius: 8px;
  font-size: 0.8rem; font-weight: 500; color: var(--text-muted);
  display: flex; align-items: center; gap: 0.4rem;
}
.hero-tags i { color: var(--accent); }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; padding: 0.75rem 1.75rem; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem; cursor: pointer;
  transition: opacity 0.2s, transform 0.2s; border: none; display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-secondary {
  background: transparent; color: var(--text);
  padding: 0.75rem 1.75rem; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem; cursor: pointer;
  border: 1px solid var(--border); transition: border-color 0.2s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.hero-visual { flex: 1; max-width: 480px; display: flex; flex-direction: column; gap: 1rem; }
.chart-preview {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem; box-shadow: var(--shadow);
}
.stat-cards { display: flex; gap: 1rem; }
.stat-card {
  flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem; text-align: center;
}
.stat-num { display: block; font-size: 1.75rem; font-weight: 800; color: var(--accent); }
.stat-label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ===== SECTIONS ===== */
.section { padding: 6rem 2rem; }
.section-alt { background: var(--bg2); }
.container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  display: inline-block;
  background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25);
  color: var(--accent2); padding: 0.3rem 0.9rem; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem); font-weight: 700; color: #fff; margin-bottom: 0.75rem;
}
.section-desc { color: var(--text-muted); max-width: 520px; margin: 0 auto; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-text p { color: var(--text-muted); margin-bottom: 1.25rem; }
.about-text strong { color: var(--text); }
.edu-cards { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 2rem; }
.edu-card {
  display: flex; align-items: center; gap: 1rem;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1rem 1.25rem;
}
.edu-card i { font-size: 1.25rem; color: var(--accent); min-width: 24px; }
.edu-card strong { display: block; font-size: 0.9rem; color: #fff; }
.edu-card span { font-size: 0.8rem; color: var(--text-muted); }
.about-metrics { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.metric-ring { position: relative; width: 120px; text-align: center; }
.metric-ring svg { transform: rotate(-90deg); width: 120px; height: 120px; }
.ring-bg { fill: none; stroke: var(--border); stroke-width: 8; }
.ring-fill { fill: none; stroke-width: 8; stroke-linecap: round; transition: stroke-dashoffset 1.5s ease; }
.ring-looker { stroke: var(--looker); }
.ring-pbi { stroke: var(--pbi); }
.ring-sql { stroke: var(--green); }
.ring-label {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  text-align: center;
}
.ring-label span { display: block; font-size: 1.1rem; font-weight: 700; color: #fff; }
.ring-label small { display: block; font-size: 0.65rem; color: var(--text-muted); margin-top: 0.15rem; white-space: nowrap; }

/* ===== SKILLS ===== */
.skills-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }
.skill-category {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.75rem; transition: border-color 0.3s, transform 0.3s;
}
.skill-category:hover { border-color: var(--accent); transform: translateY(-4px); }
.skill-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; margin-bottom: 1rem;
}
.looker-icon { background: rgba(66,133,244,0.15); color: var(--looker); }
.pbi-icon { background: rgba(242,200,17,0.15); color: var(--pbi); }
.sql-icon { background: rgba(16,185,129,0.15); color: var(--green); }
.analytics-icon { background: rgba(139,92,246,0.15); color: var(--accent2); }
.skill-category h3 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 1rem; }
.skill-category li {
  color: var(--text-muted); font-size: 0.875rem; padding: 0.35rem 0;
  border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 0.5rem;
}
.skill-category li:last-child { border-bottom: none; }
.skill-category li::before { content: "▸"; color: var(--accent); font-size: 0.7rem; }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: 10px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 3rem; }
.timeline-dot {
  position: absolute; left: -2rem; top: 6px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--card); border: 3px solid var(--border);
  z-index: 1;
}
.timeline-dot.current { border-color: var(--green); background: rgba(16,185,129,0.2); box-shadow: 0 0 12px rgba(16,185,129,0.4); }
.timeline-content {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
}
.timeline-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.timeline-header h3 { font-size: 1.1rem; font-weight: 600; color: #fff; }
.company { display: block; font-size: 0.85rem; color: var(--text-muted); margin-top: 0.2rem; }
.date {
  font-size: 0.78rem; font-weight: 500; color: var(--text-muted);
  white-space: nowrap; background: var(--bg3); padding: 0.3rem 0.75rem; border-radius: 999px;
  border: 1px solid var(--border);
}
.current-badge { border-color: rgba(16,185,129,0.4); color: var(--green); background: rgba(16,185,129,0.1); }
.timeline-content ul { margin-bottom: 1rem; }
.timeline-content li { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 0.5rem; padding-left: 1rem; position: relative; }
.timeline-content li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.timeline-content strong { color: var(--text); }
.tech-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tech-tags span {
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent2); padding: 0.2rem 0.65rem; border-radius: 6px; font-size: 0.75rem; font-weight: 500;
}

/* ===== DASHBOARD CARDS ===== */
.dashboard-cards { display: flex; flex-direction: column; gap: 3rem; }
.dashboard-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem; align-items: center;
}
.dashboard-card:hover { border-color: var(--accent); }
.dashboard-preview {
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
}
.db-toolbar {
  padding: 0.75rem 1rem; display: flex; align-items: center; gap: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.looker-toolbar { background: #1a2332; }
.pbi-toolbar { background: #1c1c1c; }
.db-logo { font-size: 0.875rem; font-weight: 700; display: flex; align-items: center; gap: 0.4rem; }
.looker-toolbar .db-logo { color: var(--looker); }
.pbi-logo { color: var(--pbi); }
.db-tabs { display: flex; gap: 0.5rem; }
.db-tab { font-size: 0.72rem; color: var(--text-muted); padding: 0.25rem 0.6rem; border-radius: 4px; }
.db-tab.active { background: rgba(99,102,241,0.2); color: var(--accent2); }
.db-kpis { display: flex; gap: 0; border-bottom: 1px solid var(--border); }
.db-kpi { flex: 1; padding: 0.75rem; border-right: 1px solid var(--border); }
.db-kpi:last-child { border-right: none; }
.kpi-val { display: block; font-size: 1.1rem; font-weight: 700; color: #fff; }
.kpi-lbl { display: block; font-size: 0.68rem; color: var(--text-muted); }
.kpi-delta { font-size: 0.68rem; font-weight: 600; padding: 0.1rem 0.35rem; border-radius: 4px; }
.kpi-delta.up { background: rgba(16,185,129,0.15); color: var(--green); }
.kpi-delta.down { background: rgba(239,68,68,0.15); color: var(--red); }
.dashboard-preview canvas { padding: 0.75rem; }
.dashboard-info { padding: 0.5rem 0; }
.db-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.8rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600;
  margin-bottom: 1rem;
}
.looker-badge { background: rgba(66,133,244,0.15); color: var(--looker); border: 1px solid rgba(66,133,244,0.3); }
.pbi-badge { background: rgba(242,200,17,0.15); color: var(--pbi); border: 1px solid rgba(242,200,17,0.3); }
.dashboard-info h3 { font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 0.75rem; }
.dashboard-info p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; line-height: 1.7; }
.db-features { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-bottom: 1.75rem; }
.db-features span { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.4rem; }
.db-features i { color: var(--green); }
.pbi-btn { background: linear-gradient(135deg, #e8721c, #f2c811); }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; }
.contact-item {
  display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.75rem;
}
.contact-item i {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 0.9rem; flex-shrink: 0;
}
.contact-item strong { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.2rem; }
.contact-item a, .contact-item span { font-size: 0.9rem; color: var(--text); }
.contact-item a:hover { color: var(--accent); }
.expertise-list h4 { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.75rem; }
.expertise-list span {
  display: inline-block; background: var(--card); border: 1px solid var(--border);
  padding: 0.35rem 0.8rem; border-radius: 8px; font-size: 0.78rem; color: var(--text-muted);
  margin: 0.25rem 0.25rem 0.25rem 0;
}
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 0.85rem 1rem;
  color: var(--text); font-family: inherit; font-size: 0.9rem;
  transition: border-color 0.2s; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group select option { background: var(--card); }
.form-group textarea { resize: vertical; }
.full-width { width: 100%; justify-content: center; }
.form-success {
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3);
  color: var(--green); padding: 0.75rem 1rem; border-radius: 8px; text-align: center; font-size: 0.875rem;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 2rem; text-align: center;
}
.footer p { color: var(--text-muted); font-size: 0.85rem; }
.footer-sub { margin-top: 0.25rem; font-size: 0.75rem; color: #3a4a6b; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-metrics { flex-direction: row; }
}
@media (max-width: 768px) {
  .hero { flex-direction: column; padding-top: 5rem; text-align: center; }
  .hero-tags { justify-content: center; }
  .hero-cta { justify-content: center; }
  .hero-visual { width: 100%; max-width: 100%; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .dashboard-card { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .db-features { grid-template-columns: 1fr; }
}