/* =============================================
   GABRIEL MAGAN — Portfolio
   Glassmorphism Dark Theme
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --bg-start: #0f0c29;
  --bg-mid: #302b63;
  --bg-end: #24243e;
  --accent: #a78bfa;
  --accent2: #818cf8;
  --accent-glow: rgba(167, 139, 250, 0.3);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-hover: rgba(255, 255, 255, 0.08);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-mid) 50%, var(--bg-end) 100%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Typography ── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: 1.25rem; font-weight: 600; }
p { color: var(--text-muted); }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent2); }

/* ── Layout ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 16px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 60px;
}

/* ── Glass Card ── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.glass:hover {
  background: var(--glass-hover);
  border-color: rgba(167, 139, 250, 0.25);
  transform: translateY(-2px);
}

/* ── Navigation ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(15, 12, 41, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--accent); }

.nav-cta {
  background: var(--accent);
  color: #0f0c29 !important;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--accent2); color: #fff !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Floating Shapes (Hero decoration) ── */
.shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.15;
  animation: float 8s ease-in-out infinite;
}
.shape-1 { width: 400px; height: 400px; background: var(--accent); top: -100px; right: -100px; animation-delay: 0s; }
.shape-2 { width: 300px; height: 300px; background: #818cf8; bottom: 0; left: -80px; animation-delay: -3s; }
.shape-3 { width: 200px; height: 200px; background: #c084fc; top: 40%; right: 20%; animation-delay: -5s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* ── Hero Section ── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-content { position: relative; z-index: 1; max-width: 700px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 28px;
}
.hero-badge::before { content: '●'; font-size: 0.5rem; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero-name {
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #f1f5f9 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 20px;
}
.hero-title strong { color: var(--accent); font-weight: 600; }

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity var(--transition), transform var(--transition);
  display: inline-block;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--text);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid var(--glass-border);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  display: inline-block;
}
.btn-outline:hover { border-color: var(--accent); background: var(--glass-bg); color: var(--text); transform: translateY(-1px); }

/* ── Hero Layout with Photo ── */
.hero-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero-photo-wrap {
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.hero-photo-ring {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent2), transparent);
  box-shadow: 0 0 40px var(--accent-glow);
}

.hero-photo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 3px solid rgba(15, 12, 41, 0.8);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 60px;
  flex-wrap: wrap;
}
.stat-item {}
.stat-number { font-size: 2rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.05em; }

/* ── About Section ── */
#about { background: transparent; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p { margin-bottom: 16px; line-height: 1.8; }

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-card {
  padding: 24px;
}

.about-card-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.about-card h3 { font-size: 1rem; margin-bottom: 6px; }
.about-card p { font-size: 0.9rem; }

/* ── Experience Section ── */
#experience { background: transparent; }

.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.timeline-item {
  position: relative;
  padding: 28px;
  margin-bottom: 20px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px; top: 36px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 4px;
}

.timeline-role { font-size: 1.05rem; font-weight: 600; color: var(--text); }
.timeline-company { font-size: 0.9rem; color: var(--accent); font-weight: 500; margin-bottom: 12px; }
.timeline-date {
  font-size: 0.78rem;
  color: var(--text-dim);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
}

.timeline-bullets { list-style: none; margin-top: 12px; }
.timeline-bullets li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 4px 0 4px 16px;
  position: relative;
}
.timeline-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}

/* ── Skills Section ── */
#skills { background: transparent; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.skill-group { padding: 28px; }
.skill-group-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.2);
  color: var(--text);
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  transition: background var(--transition), border-color var(--transition);
}
.skill-tag:hover { background: rgba(167, 139, 250, 0.2); border-color: var(--accent); }

/* ── Certifications ── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.cert-card {
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.cert-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.cert-name { font-size: 0.9rem; font-weight: 600; margin-bottom: 3px; }
.cert-issuer { font-size: 0.78rem; color: var(--text-dim); }

/* ── Projects Section ── */
#projects { background: transparent; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.project-card { padding: 28px; }

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.project-icon { font-size: 1.8rem; }
.project-links { display: flex; gap: 10px; }
.project-link {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: color var(--transition);
}
.project-link:hover { color: var(--accent); }

.project-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; }
.project-desc { font-size: 0.88rem; line-height: 1.7; margin-bottom: 18px; }

.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tag {
  background: rgba(129, 140, 248, 0.1);
  border: 1px solid rgba(129, 140, 248, 0.2);
  color: var(--accent2);
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ── Blog Section ── */
#blog { background: transparent; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.blog-card { padding: 28px; }

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.blog-category {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(167, 139, 250, 0.1);
  padding: 3px 10px;
  border-radius: 100px;
}
.blog-date { font-size: 0.78rem; color: var(--text-dim); }

.blog-title { font-size: 1rem; font-weight: 600; margin-bottom: 10px; line-height: 1.4; }
.blog-excerpt { font-size: 0.87rem; line-height: 1.7; }
.blog-read-more {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition);
}
.blog-read-more:hover { color: var(--accent2); }

.blog-cta { text-align: center; }

/* ── Contact Section ── */
#contact { background: transparent; }

.contact-wrapper {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.contact-card { padding: 56px 48px; }
.contact-card h2 { margin-bottom: 16px; }
.contact-card p { margin-bottom: 36px; font-size: 1.05rem; }

.contact-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.contact-link-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
}
.contact-link-primary:hover { opacity: 0.9; color: #fff; transform: translateY(-1px); }

.contact-link-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
}
.contact-link-glass:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

.contact-availability {
  font-size: 0.82rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.avail-dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; display: inline-block; animation: pulse 2s ease-in-out infinite; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 32px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.83rem;
}

/* ── Blog Page ── */
.blog-page-hero {
  padding: 140px 0 80px;
  text-align: center;
}

.blog-list { padding: 0 0 100px; }
.blog-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

/* Post reader */
.post-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 140px 24px 100px;
}

.post-header { margin-bottom: 48px; text-align: center; }
.post-header h1 { margin-bottom: 16px; }
.post-body { line-height: 1.9; font-size: 1.05rem; color: var(--text-muted); }
.post-body h2 { color: var(--text); margin: 40px 0 16px; font-size: 1.4rem; }
.post-body h3 { color: var(--text); margin: 28px 0 12px; }
.post-body p { margin-bottom: 20px; }
.post-body strong { color: var(--text); }

/* ── Responsive ── */
@media (max-width: 768px) {
  section { padding: 72px 0; }

  .nav-links { display: none; flex-direction: column; gap: 20px; position: absolute; top: 100%; left: 0; right: 0; background: rgba(15, 12, 41, 0.95); backdrop-filter: blur(20px); padding: 28px 24px; border-bottom: 1px solid var(--glass-border); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  .hero-layout { flex-direction: column-reverse; gap: 32px; }
  .hero-photo-ring { width: 180px; height: 180px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .timeline { padding-left: 20px; }
  .contact-card { padding: 36px 24px; }
  .hero-stats { gap: 28px; }

  .projects-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
}