/* ==========================================================
   JAYA PRAKASH S — DevOps & Cloud Engineer Portfolio
   style.css
   ========================================================== */

/* ── CSS Custom Properties ──────────────────────────────── */
:root {
  --bg:          #0B1120;
  --bg-alt:      #0F172A;
  --surface:     rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --border:      rgba(255,255,255,0.08);
  --primary:     #38BDF8;
  --secondary:   #818CF8;
  --accent:      #34D399;
  --warning:     #F59E0B;
  --text:        #FFFFFF;
  --text-muted:  #94A3B8;
  --text-dim:    #64748B;

  --font-sans:   'Inter', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;

  --shadow-glow: 0 0 40px rgba(56,189,248,0.12);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);

  --transition:  0.25s cubic-bezier(0.4,0,0.2,1);
  --nav-height:  70px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}

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

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

/* ── Particle Canvas ────────────────────────────────────── */
#particles-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ── Container ──────────────────────────────────────────── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Glassmorphism ──────────────────────────────────────── */
.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-sans);
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #0B1120;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: #7DD3FC;
  border-color: #7DD3FC;
  box-shadow: 0 0 24px rgba(56,189,248,0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: rgba(56,189,248,0.1);
  box-shadow: 0 0 20px rgba(56,189,248,0.15);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-dim);
  transform: translateY(-1px);
}

.btn-sm { padding: 8px 16px; font-size: 0.8125rem; }

/* ── Navbar ─────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition: background var(--transition), box-shadow var(--transition);
}

#navbar.scrolled {
  background: rgba(11,17,32,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.logo-bracket { color: var(--secondary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: var(--surface-hover);
}

.nav-link.contact-btn {
  color: var(--primary);
  border: 1px solid rgba(56,189,248,0.35);
}
.nav-link.contact-btn:hover {
  background: rgba(56,189,248,0.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 101;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Sections ───────────────────────────────────────────── */
.section {
  position: relative;
  padding: 100px 0;
  z-index: 1;
}

.section-alt { background: rgba(15,23,42,0.6); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  background: linear-gradient(135deg, #fff 0%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ── Scroll Reveal ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 40px) 24px 80px;
  position: relative;
  z-index: 1;
}

.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(56,189,248,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
  align-items: center;
}

/* Avatar */
.hero-avatar {
  position: relative;
  width: 200px;
  flex-shrink: 0;
}

.avatar-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--primary), var(--secondary)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  animation: spin-ring 8s linear infinite;
}

@keyframes spin-ring {
  to { transform: rotate(360deg); }
}

.avatar-placeholder {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(56,189,248,0.1) 0%, rgba(129,140,248,0.1) 100%);
  border: 2px solid var(--border);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}

.avatar-placeholder svg {
  width: 140px;
  height: 140px;
}

.avatar-badge {
  position: absolute;
  bottom: 4px;
  right: -8px;
  background: linear-gradient(135deg, #F59E0B, #FBBF24);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(245,158,11,0.4);
}

/* Hero Text */
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 16px;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 0 0 rgba(52,211,153,0.5); }
  50%      { box-shadow: 0 0 0 6px rgba(52,211,153,0); }
}

.hero-name {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 0%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.title-tag { color: var(--secondary); opacity: 0.7; }
#typed-title { color: var(--primary); }
.cursor-blink { animation: blink 1s step-end infinite; color: var(--primary); }
@keyframes blink { 0%,100% { opacity:1 } 50% { opacity:0 } }

.hero-tagline {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.5;
}

.hero-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

/* Tech Badges */
.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.2);
  color: var(--primary);
  transition: all var(--transition);
  animation: float-badge 4s ease-in-out infinite;
}
.badge:nth-child(2) { animation-delay: 0.3s; }
.badge:nth-child(3) { animation-delay: 0.6s; }
.badge:nth-child(4) { animation-delay: 0.9s; }
.badge:nth-child(5) { animation-delay: 1.2s; }
.badge:nth-child(6) { animation-delay: 1.5s; }
.badge:nth-child(7) { animation-delay: 1.8s; }

@keyframes float-badge {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}
.badge:hover {
  background: rgba(56,189,248,0.15);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 48px;
  animation: bounce-scroll 2s ease-in-out infinite;
  transition: color var(--transition);
}
.scroll-indicator:hover { color: var(--text-muted); }
@keyframes bounce-scroll {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(6px); }
}

/* ── ABOUT ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 0.9375rem;
}
.about-text p strong { color: var(--primary); font-weight: 600; }

.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stat-item { display: flex; flex-direction: column; }
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-label { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; }

.about-card {
  border-radius: var(--radius-lg);
  padding: 28px;
}
.card-sub-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.expertise-list { display: flex; flex-direction: column; gap: 16px; }
.expertise-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.expertise-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.expertise-list strong { display: block; font-size: 0.9rem; color: var(--text); margin-bottom: 2px; }
.expertise-list p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; margin: 0; }

/* ── SKILLS ─────────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-category {
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}
.skill-category:hover {
  background: var(--surface-hover);
  border-color: rgba(56,189,248,0.15);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.skill-cat-icon { font-size: 1.4rem; }
.skill-cat-header h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}

.skill-level {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}
.skill-level.primary {
  background: rgba(56,189,248,0.12);
  color: var(--primary);
  border: 1px solid rgba(56,189,248,0.2);
}
.skill-level.secondary {
  background: rgba(129,140,248,0.12);
  color: var(--secondary);
  border: 1px solid rgba(129,140,248,0.2);
}
.skill-level.neutral {
  background: rgba(148,163,184,0.08);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.skill-category:hover .tag {
  border-color: rgba(56,189,248,0.15);
  color: var(--text);
}

/* ── PROJECTS ───────────────────────────────────────────── */
.project-card {
  border-radius: var(--radius-xl);
  padding: 36px;
  margin-bottom: 32px;
  transition: all var(--transition);
}
.project-card:hover {
  border-color: rgba(56,189,248,0.2);
  box-shadow: var(--shadow-glow);
}
.project-card:last-child { margin-bottom: 0; }

.project-header {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.project-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(56,189,248,0.25);
  line-height: 1;
  flex-shrink: 0;
  user-select: none;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
  letter-spacing: -0.02em;
}
.project-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.project-desc strong { color: var(--primary); }

/* Architecture Flow */
.arch-flow {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 28px;
}
.arch-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.flow-steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.flow-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition);
}
.flow-step span { font-size: 0.7rem; color: var(--text-muted); text-align: center; font-weight: 500; }
.flow-step.live .flow-icon { background: rgba(52,211,153,0.1); border-color: rgba(52,211,153,0.3); }
.flow-arrow { color: var(--primary); font-size: 1rem; opacity: 0.5; flex-shrink: 0; }

.project-body { }
.project-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.achievements h4, .project-stack h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.achievement-list { display: flex; flex-direction: column; gap: 6px; }
.achievement-list li {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.check {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.stack-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.stag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.03em;
}
.stag.aws { background: rgba(255,153,0,0.12); color: #FF9900; border: 1px solid rgba(255,153,0,0.25); }
.stag.tf  { background: rgba(96,71,181,0.15); color: #7C5CBF; border: 1px solid rgba(96,71,181,0.25); }
.stag.ans { background: rgba(238,0,0,0.12); color: #EE0000; border: 1px solid rgba(238,0,0,0.2); }
.stag.ga  { background: rgba(47,128,237,0.12); color: #2F80ED; border: 1px solid rgba(47,128,237,0.2); }
.stag.dk  { background: rgba(13,183,237,0.12); color: #0DB7ED; border: 1px solid rgba(13,183,237,0.2); }
.stag.lx  { background: rgba(252,181,10,0.12); color: #FCBD0A; border: 1px solid rgba(252,181,10,0.2); }
.stag.py  { background: rgba(52,152,219,0.12); color: #3498DB; border: 1px solid rgba(52,152,219,0.2); }
.stag.db  { background: rgba(0,117,143,0.15); color: #00758F; border: 1px solid rgba(0,117,143,0.25); }
.stag.ng  { background: rgba(9,161,61,0.12); color: #099A3D; border: 1px solid rgba(9,161,61,0.2); }
.stag.k8s { background: rgba(50,108,229,0.12); color: #326CE5; border: 1px solid rgba(50,108,229,0.25); }
.stag.dkh { background: rgba(13,183,237,0.12); color: #0DB7ED; border: 1px solid rgba(13,183,237,0.2); }
.stag.ing { background: rgba(0,150,136,0.12); color: #009688; border: 1px solid rgba(0,150,136,0.2); }
.stag.cfg { background: rgba(156,39,176,0.12); color: #9C27B0; border: 1px solid rgba(156,39,176,0.2); }
.stag.sec { background: rgba(229,57,53,0.12); color: #E53935; border: 1px solid rgba(229,57,53,0.2); }
.stag.yml { background: rgba(255,87,34,0.12); color: #FF5722; border: 1px solid rgba(255,87,34,0.2); }

.project-footer { border-top: 1px solid var(--border); padding-top: 20px; }

/* ── CERTIFICATIONS ─────────────────────────────────────── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cert-card {
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all var(--transition);
}
.cert-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56,189,248,0.2);
  box-shadow: var(--shadow-glow);
}

.cert-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.aws-bg    { background: linear-gradient(135deg, #FF9900, #FFB347); }
.tf-bg     { background: linear-gradient(135deg, #7C5CBF, #5849C4); }
.devops-bg { background: linear-gradient(135deg, #38BDF8, #818CF8); }

.cert-content { flex: 1; }
.cert-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  display: block;
  margin-bottom: 6px;
}
.cert-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.4;
}
.cert-detail {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
}
.cert-badge.verified {
  background: rgba(52,211,153,0.1);
  color: var(--accent);
  border: 1px solid rgba(52,211,153,0.25);
}

/* ── GITHUB ─────────────────────────────────────────────── */
.github-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.gh-stat-card {
  border-radius: var(--radius-lg);
  padding: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}
.gh-stat-card img { width: 100%; height: auto; border-radius: var(--radius-md); }
.gh-full { grid-column: 1 / -1; }

.gh-fallback {
  align-items: center;
  justify-content: center;
  padding: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
}
.gh-fallback a { color: var(--primary); text-decoration: underline; }

.inline-link { color: var(--primary); transition: color var(--transition); }
.inline-link:hover { color: #7DD3FC; }

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

/* ── CONTACT ────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.contact-card {
  border-radius: var(--radius-xl);
  padding: 36px;
}
.contact-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: var(--text);
}

.contact-items { display: flex; flex-direction: column; gap: 8px; margin-bottom: 32px; }
.contact-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition);
}
a.contact-item:hover {
  background: var(--surface-hover);
  border-color: var(--border);
  transform: translateX(4px);
}
.no-link { cursor: default; }

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}
.contact-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 2px;
}
.contact-value { font-size: 0.9rem; color: var(--text); font-weight: 500; }

.social-links h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.social-row { display: flex; gap: 12px; }
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.social-btn:hover { transform: translateY(-2px); border-color: currentColor; }
.social-btn.linkedin:hover { color: #0A66C2; background: rgba(10,102,194,0.1); }
.social-btn.github:hover   { color: var(--text); background: var(--surface-hover); }

/* Contact CTA */
.contact-cta { display: flex; flex-direction: column; gap: 20px; }
.cta-inner {
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
}
.cta-icon { font-size: 2.5rem; margin-bottom: 16px; }
.cta-inner h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.cta-inner p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* ── FOOTER ─────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--text-dim);
}
.footer-copy strong { color: var(--text-muted); }

.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--text-dim);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--primary); }

/* Back to Top */
#back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #0B1120;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(56,189,248,0.35);
  opacity: 0;
  transform: translateY(16px);
  transition: all var(--transition);
  z-index: 90;
}
#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
#back-to-top:hover {
  background: #7DD3FC;
  transform: translateY(-2px);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content { grid-template-columns: 1fr; gap: 32px; justify-items: center; text-align: center; }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .tech-badges { justify-content: center; }
  .hero-eyebrow { justify-content: center; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .section-header { margin-bottom: 44px; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    inset: 0;
    top: var(--nav-height);
    background: rgba(11,17,32,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 99;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 1.1rem; padding: 12px 24px; }

  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .github-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .project-details { grid-template-columns: 1fr; }

  .hero-avatar { width: 160px; }
  .avatar-placeholder { width: 160px; height: 160px; }
  .avatar-placeholder svg { width: 110px; height: 110px; }

  .flow-steps { gap: 4px; }
  .flow-icon { width: 38px; height: 38px; font-size: 1rem; }
  .flow-step span { font-size: 0.6rem; }
  .flow-arrow { font-size: 0.8rem; }

  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .about-stats { gap: 20px; }

  .project-card { padding: 24px; }
  .project-header { flex-direction: column; gap: 8px; }
  .project-number { font-size: 2rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .social-row { flex-direction: column; }
  .cert-card { flex-direction: column; }
}

/* ── Reduce Motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

.avatar-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}