/* ═══════════════════════════════════════════════════════
   Sharan Khanal — Personal Site
   Design System: Dark, modern, SEO-friendly
   ═══════════════════════════════════════════════════════ */

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

:root {
  /* Colors */
  --bg-base:        #08090e;
  --bg-surface:     #0f1117;
  --bg-elevated:    #161b27;
  --bg-card:        #1a2035;
  --border:         #1e2d45;
  --border-subtle:  #131c2e;

  --accent:         #6366f1;
  --accent-hover:   #818cf8;
  --accent-muted:   rgba(99, 102, 241, 0.12);
  --accent-glow:    rgba(99, 102, 241, 0.35);
  --accent2:        #8b5cf6;

  --text-primary:   #e8eaf0;
  --text-secondary: #94a3b8;
  --text-muted:     #4a5568;
  --text-inverse:   #08090e;

  /* Typography */
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-y: 6rem;
  --container: 1200px;
  --gap:        1.5rem;

  /* Borders */
  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1.25rem;
  --radius-xl:  1.75rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.15);

  /* Transitions */
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── LIGHT THEME ─── */
[data-theme="light"] {
  --bg-base:        #f5f6fa;
  --bg-surface:     #ffffff;
  --bg-elevated:    #eef0f8;
  --bg-card:        #e8ecf5;
  --border:         #d0d7e8;
  --border-subtle:  #e2e6f0;

  --accent:         #4f52d0;
  --accent-hover:   #6366f1;
  --accent-muted:   rgba(79, 82, 208, 0.1);
  --accent-glow:    rgba(79, 82, 208, 0.25);
  --accent2:        #7c3aed;

  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-muted:     #94a3b8;
  --text-inverse:   #ffffff;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 40px rgba(79,82,208,0.12);
}

[data-theme="light"] .hero-gradient {
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(79,82,208,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 60%, rgba(124,58,237,0.06) 0%, transparent 60%);
}

[data-theme="light"] .hero-grid {
  background-image:
    linear-gradient(rgba(79,82,208,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,82,208,0.07) 1px, transparent 1px);
}

[data-theme="light"] .blob {
  opacity: 0.07;
}

[data-theme="light"] .contact::before {
  background: radial-gradient(ellipse, rgba(79,82,208,0.07) 0%, transparent 70%);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(245,246,250,0.88);
}

/* ─── THEME TOGGLE BUTTON ─── */
.theme-toggle {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-muted);
  box-shadow: var(--shadow-glow);
  transform: scale(1.1);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
  transition: none;
}

[data-theme="dark"] .theme-toggle .icon-sun,
html:not([data-theme]) .theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

/* Smooth theme transition */
body,
body * {
  transition:
    background-color var(--transition-slow),
    border-color var(--transition-slow),
    color var(--transition-slow),
    box-shadow var(--transition-slow);
}

/* Re-exclude transitions that should stay snappy */
.btn,
a,
.nav-link,
.skill-card,
.timeline-card,
.stat,
.highlight,
.social-link {
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition),
    transform var(--transition),
    box-shadow var(--transition),
    opacity var(--transition);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 50%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── LAYOUT ─── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-y) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-muted);
  border: 1px solid rgba(99,102,241,0.2);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
  padding: 0.65rem 1.4rem;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-muted);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.82rem; border-radius: var(--radius-sm); }
.btn-full { width: 100%; justify-content: center; }

/* ─── PILLS ─── */
.pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  white-space: nowrap;
}

.pill--sm {
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
}

/* ─── NAVBAR ─── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0;
  transition: var(--transition-slow);
}

.navbar.scrolled {
  background: rgba(8,9,14,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  transition: var(--transition);
  flex-shrink: 0;
}

.nav-logo:hover {
  transform: scale(1.05);
  box-shadow: 0 0 16px var(--accent-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 7rem 0 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99,102,241,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 60%, rgba(139,92,246,0.08) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.blob {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
  opacity: 0.12;
  animation: float 8s ease-in-out infinite;
}

.blob-1 {
  width: 500px;
  height: 500px;
  background: var(--accent);
  top: -100px;
  left: -150px;
  animation-delay: 0s;
}

.blob-2 {
  width: 400px;
  height: 400px;
  background: var(--accent2);
  bottom: -80px;
  right: -100px;
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 10px) scale(0.97); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.75rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  50% { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

.hero-description {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 2.25rem;
  line-height: 1.75;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stack {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stack-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: 0.25rem;
}

.stack-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0.4;
  transition: opacity var(--transition);
  animation: bounce 2s ease-in-out infinite;
}

.scroll-hint:hover { opacity: 0.8; }

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ─── ABOUT ─── */
.about {
  background: var(--bg-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.about-image-wrap {
  position: sticky;
  top: 100px;
}

.about-image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.about-image-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.05));
  z-index: 1;
  pointer-events: none;
}

.about-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image-placeholder {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
}

.placeholder-initials {
  font-family: var(--font-heading);
  font-size: 5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  text-align: center;
  transition: var(--transition);
}

.stat:hover {
  border-color: var(--accent);
  background: var(--accent-muted);
}

.stat-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.about-content .section-label { margin-bottom: 0.75rem; }

.about-text {
  margin: 1.5rem 0 2rem;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-text p:last-child { margin-bottom: 0; }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.highlight {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.highlight:hover {
  border-color: var(--border);
  background: var(--bg-card);
}

.highlight-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 0.1rem;
}

.highlight div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.highlight strong {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.highlight span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.br-desktop { display: block; }

/* ─── SKILLS ─── */
.skills {
  background: var(--bg-base);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  transition: var(--transition-slow);
}

.skill-card:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.skill-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--accent-muted);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.skill-card:hover .skill-card-icon {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.skill-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 500;
  padding: 0.3rem 0.65rem;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: var(--transition);
}

.skill-tag--primary {
  color: var(--accent);
  border-color: rgba(99,102,241,0.25);
  background: var(--accent-muted);
}

/* ─── EXPERIENCE ─── */
.experience {
  background: var(--bg-surface);
}

.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 1.5rem;
  margin-bottom: 0;
}

.timeline-item:last-child .timeline-marker .timeline-line {
  display: none;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 1.5rem;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.25);
  flex-shrink: 0;
  z-index: 1;
}

.timeline-line {
  width: 2px;
  flex: 1;
  min-height: 2rem;
  background: linear-gradient(to bottom, rgba(99,102,241,0.4), rgba(99,102,241,0.05));
  margin-top: 0.5rem;
}

.timeline-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-slow);
}

.timeline-card:hover {
  border-color: rgba(99,102,241,0.3);
  box-shadow: var(--shadow-md);
}

.timeline-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.timeline-role {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.role-suffix {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.timeline-org {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent);
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  flex-shrink: 0;
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.timeline-tag--current {
  background: rgba(34,197,94,0.15);
  color: #22c55e;
  border: 1px solid rgba(34,197,94,0.3);
}

.bryk-roles {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--bg-base);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.bryk-role {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.bryk-role-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.bryk-role-period {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-points {
  margin-bottom: 1.25rem;
}

.timeline-points li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.55rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

.timeline-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.7;
}

.timeline-points li:last-child { margin-bottom: 0; }

.timeline-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ─── CONTACT ─── */
.contact {
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(99,102,241,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-info .section-label { margin-bottom: 0.75rem; }
.contact-info .section-title { margin-bottom: 1.25rem; text-align: left; }

.contact-desc {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 2rem;
  transition: var(--transition);
  padding: 0.6rem 0;
  border-bottom: 1px solid transparent;
}

.contact-email:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-muted);
}

.contact-card {
  position: sticky;
  top: 100px;
}

.contact-card-inner {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
}

.contact-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-detail:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.detail-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.detail-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.availability-open {
  color: #22c55e !important;
}

.contact-card-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 1.5rem 0;
}

.contact-card-note {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

/* ─── FOOTER ─── */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover { color: var(--accent); }

/* ─── ANIMATIONS ─── */
.animate-fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--delay, 0ms);
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-image-wrap {
    position: static;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 2rem;
    align-items: center;
  }
  .about-image-frame {
    margin-bottom: 0;
  }
  .about-stats {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .contact-card { position: static; }
  .br-desktop { display: none; }
}

@media (max-width: 768px) {
  :root { --section-y: 4rem; }

  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0.25rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-link {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
  }

  .nav-links .btn {
    margin-top: 0.5rem;
    justify-content: center;
    padding: 0.75rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .about-image-wrap {
    grid-template-columns: 1fr;
  }

  .about-image-frame {
    max-width: 280px;
    margin: 0 auto;
    aspect-ratio: 1;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    max-width: 280px;
    margin: 1rem auto 0;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    justify-content: center;
    text-align: center;
  }

  .timeline-item {
    grid-template-columns: 28px 1fr;
    gap: 1rem;
  }

  .timeline-card-header {
    flex-direction: column;
    gap: 0.5rem;
  }

  .timeline-meta {
    align-items: flex-start;
    flex-direction: row;
    gap: 0.75rem;
    flex-wrap: wrap;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .stack-pills { gap: 0.35rem; }
  .social-links { flex-direction: column; }
  .social-link { width: 100%; justify-content: center; }
}

/* ─── EDUCATION & CERTIFICATIONS ─── */
.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.edu-card {
  grid-column: span 3;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-glow);
}

.edu-card-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--accent-muted);
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: var(--radius-md);
  color: var(--accent);
}

.edu-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.edu-type {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.edu-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.edu-detail {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.edu-location {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cert-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: var(--transition-slow);
}

.cert-card:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.cert-card-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.cert-card-icon--aws {
  background: rgba(255, 153, 0, 0.12);
  border: 1px solid rgba(255, 153, 0, 0.25);
  color: #ff9900;
}

.cert-card-icon--ms {
  background: rgba(0, 120, 212, 0.12);
  border: 1px solid rgba(0, 120, 212, 0.25);
  color: #0078d4;
}

.cert-card:hover .cert-card-icon--aws {
  background: #ff9900;
  color: #fff;
  border-color: #ff9900;
}

.cert-card:hover .cert-card-icon--ms {
  background: #0078d4;
  color: #fff;
  border-color: #0078d4;
}

.cert-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cert-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

.cert-date {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .education-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .edu-card {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .education-grid {
    grid-template-columns: 1fr;
  }
  .edu-card {
    grid-column: span 1;
  }
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border);
}

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

/* ─── FOCUS ─── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}