/* =========================================================
   AAYUSH SHARMA — DEVOPS PORTFOLIO
   style.css — Design tokens, layout & components
   ========================================================= */

/* ---------- DESIGN TOKENS ---------- */
:root {
  /* Colors */
  --bg: #0B1120;
  --bg-soft: #0F1729;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --primary: #3B82F6;
  --primary-dim: #2563EB;
  --accent: #22D3EE;
  --accent-soft: #67E8F9;

  --text-primary: #E7ECFB;
  --text-secondary: #9AA7C7;
  --text-muted: #6B7894;

  --success: #34D399;
  --warning: #FBBF24;
  --danger: #F87171;

  /* Typography */
  --font-display: "Poppins", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Layout */
  --max-width: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --section-pad: 7rem;

  /* Shadows / glow */
  --glow-primary: 0 0 40px rgba(59, 130, 246, 0.35);
  --glow-accent: 0 0 40px rgba(34, 211, 238, 0.25);
  --shadow-card: 0 20px 50px -20px rgba(0, 0, 0, 0.6);

  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- RESET ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-display);
  line-height: 1.65;
  overflow-x: hidden;
  cursor: default;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
code { font-family: var(--font-mono); color: var(--accent-soft); font-size: 0.92em; }

::selection { background: var(--primary); color: #fff; }

/* Custom scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 10px;
}

/* Focus visibility for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

.section { padding: var(--section-pad) 0; position: relative; }

.section-eyebrow {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
  display: inline-block;
  position: relative;
  padding-left: 1.4rem;
}
.section-eyebrow::before {
  content: "//";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.section-title {
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  font-weight: 700;
  margin-bottom: 3rem;
  letter-spacing: -0.01em;
}

.gradient-text {
  background: linear-gradient(120deg, var(--primary) 10%, var(--accent) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--primary-dim));
  color: #fff;
  box-shadow: var(--glow-primary);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 55px rgba(59,130,246,0.5); }

.btn-outline {
  border: 1.5px solid var(--border-strong);
  color: var(--text-primary);
  background: var(--surface);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.btn-full { width: 100%; justify-content: center; }

.btn-small {
  padding: 0.55rem 1rem;
  font-size: 0.82rem;
  background: var(--surface-strong);
  border: 1px solid var(--border);
}
.btn-small:hover { border-color: var(--primary); color: var(--primary); }
.btn-small-outline { background: transparent; }
.btn-small-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-nav-cta {
  background: var(--surface-strong);
  border: 1px solid var(--border-strong);
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}
.btn-nav-cta:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- LOADER ---------- */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; }

.loader-terminal {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent);
}
.loader-prompt { color: var(--primary); margin-right: 0.5rem; }
.loader-cursor { animation: blink 1s step-end infinite; }

/* ---------- CURSOR GLOW + TRAIL ---------- */
.cursor-glow {
  position: fixed;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.12), transparent 70%);
  pointer-events: none;
  z-index: 2;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}
#trailCanvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}

@media (hover: none) {
  .cursor-glow, #trailCanvas { display: none; }
}

/* ---------- BACKGROUND ---------- */
.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
}
.blob-1 {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -150px; left: -100px;
  animation: float-blob 18s ease-in-out infinite;
}
.blob-2 {
  width: 420px; height: 420px;
  background: var(--accent);
  top: 40%; right: -150px;
  animation: float-blob 22s ease-in-out infinite reverse;
}
.blob-3 {
  width: 380px; height: 380px;
  background: var(--primary-dim);
  bottom: -120px; left: 30%;
  animation: float-blob 20s ease-in-out infinite;
}
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 75%);
}

#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(11, 17, 32, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.15rem;
  flex-shrink: 0;
}
.logo-bracket { color: var(--text-muted); }
.logo-accent { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 1.8rem;
  flex: 1;
  justify-content: center;
}
.nav-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.3rem 0;
  transition: color 0.25s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.3s;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 7rem 0 3rem;
  z-index: 2;
}
.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--accent-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.45rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-dot 2s infinite;
}

.hero-name {
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.8rem;
}

.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 1.5rem;
  min-height: 2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.role-prefix { color: var(--primary); }
.typed-role { color: var(--accent); }
.typing-cursor { color: var(--accent); animation: blink 0.9s step-end infinite; }

.hero-desc {
  color: var(--text-secondary);
  font-size: 1.02rem;
  max-width: 540px;
  margin-bottom: 2.2rem;
}

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

.hero-stats {
  display: flex;
  gap: 2.2rem;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-number {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text-primary);
  display: inline-block;
}
.stat-suffix { font-family: var(--font-mono); font-size: 1.9rem; font-weight: 700; margin-left: -6px; }
.stat-label { font-size: 0.82rem; color: var(--text-muted); }

/* ---------- HERO TERMINAL (signature element) ---------- */
.hero-visual { position: relative; }

.terminal-window {
  background: rgba(15, 23, 41, 0.75);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-card), var(--glow-primary);
  overflow: hidden;
  animation: float-soft 6s ease-in-out infinite;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-red { background: #F87171; }
.dot-yellow { background: #FBBF24; }
.dot-green { background: #34D399; }
.terminal-title {
  margin-left: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.85;
  min-height: 340px;
  color: var(--text-secondary);
}
.term-line { white-space: pre-wrap; word-break: break-word; }
.term-prompt { color: var(--accent); }
.term-path { color: var(--primary-dim); }
.term-cmd { color: var(--text-primary); }
.term-out { color: var(--text-muted); }
.term-ok { color: var(--success); }

.floating-card {
  position: absolute;
  width: 54px; height: 54px;
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-card);
}
.card-docker { top: -22px; right: 10%; color: #2496ED; animation: float-soft 5s ease-in-out infinite; }
.card-k8s { bottom: 20%; left: -28px; color: var(--accent); animation: float-soft 7s ease-in-out infinite reverse; }
.card-aws { top: 25%; right: -24px; color: #FF9900; animation: float-soft 6.5s ease-in-out infinite; }
.card-linux { bottom: -20px; left: 18%; color: #FCC624; animation: float-soft 5.5s ease-in-out infinite reverse; }

.scroll-indicator {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--border-strong);
  border-radius: 16px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-indicator span {
  width: 4px; height: 8px;
  border-radius: 2px;
  background: var(--accent);
  animation: scroll-dot 1.6s infinite;
}

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.3rem;
  margin-bottom: 2.5rem;
}
.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}
.about-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: var(--glow-primary);
}
.about-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(59,130,246,0.18), rgba(34,211,238,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 1rem;
}
.about-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.about-card p { color: var(--text-secondary); font-size: 0.92rem; }

.about-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.3rem;
}
.education-card, .goal-card {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(14px);
}
.education-card i, .goal-card i { font-size: 1.5rem; color: var(--primary); margin-top: 0.2rem; }
.education-card h4, .goal-card h4 { font-size: 1rem; margin-bottom: 0.3rem; }
.education-card p, .goal-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ---------- SKILLS ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-bottom: 3rem;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.3rem 1.4rem;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}
.skill-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.skill-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
  font-weight: 500;
  font-size: 0.95rem;
}
.skill-head i { font-size: 1.2rem; color: var(--primary); }
.skill-percent { margin-left: auto; font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); }
.skill-bar {
  height: 7px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.tech-stack-cloud {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: blur(14px);
}
.tech-stack-cloud h3 { margin-bottom: 1.2rem; font-size: 1.05rem; color: var(--text-secondary); }
.tech-pills { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.pill:hover { border-color: var(--primary); color: var(--text-primary); transform: translateY(-2px); }
.pill i { color: var(--accent); }

/* ---------- TIMELINE ---------- */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 2.2rem;
  border-left: 2px solid var(--border-strong);
}
.timeline-item { position: relative; padding-bottom: 2.6rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -2.55rem;
  top: 0.25rem;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(34,211,238,0.12);
}
.timeline-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.6rem;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}
.timeline-content:hover { border-color: var(--primary); transform: translateX(4px); }
.timeline-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.25);
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 0.6rem;
}
.timeline-content h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.timeline-content p { color: var(--text-secondary); font-size: 0.9rem; }

/* ---------- PROJECTS ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}
.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card), var(--glow-primary);
}
.project-image {
  height: 180px;
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(34,211,238,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.project-placeholder-icon { font-size: 3rem; color: rgba(255,255,255,0.18); }
.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,17,32,0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.icon-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--surface-strong);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}
.icon-btn:hover { background: var(--primary); color: #fff; transform: scale(1.1); }

.project-body { padding: 1.5rem; }
.project-body h3 { font-size: 1.1rem; margin-bottom: 0.6rem; }
.project-body p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.3rem; }
.project-tags span {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--accent);
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.2);
  padding: 0.2rem 0.55rem;
  border-radius: 5px;
}
.project-links { display: flex; gap: 0.7rem; }

/* ---------- CERTIFICATES ---------- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.cert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem 1.6rem;
  text-align: center;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}
.cert-card:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: var(--glow-accent); }
.cert-ribbon {
  width: 60px; height: 60px;
  margin: 0 auto 1.2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: #fff;
}
.cert-card h3 { font-size: 1.02rem; margin-bottom: 0.4rem; }
.cert-card p { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 1rem; }
.cert-link { color: var(--accent); font-size: 0.85rem; font-weight: 500; }
.cert-link:hover { text-decoration: underline; }

/* ---------- GITHUB ---------- */
.github-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.github-stats-card, .contribution-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.3rem;
  backdrop-filter: blur(14px);
  overflow: hidden;
}
.github-img { width: 100%; border-radius: 8px; }
.github-cta { text-align: center; margin-top: 2rem; }

/* ---------- SERVICES ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem 1.6rem;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}
.service-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: var(--glow-primary);
}
.service-card i { font-size: 1.8rem; color: var(--accent); margin-bottom: 1rem; display: block; }
.service-card h3 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.service-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ---------- CONTACT ---------- */
.contact-subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 3rem;
  margin-top: -1.5rem;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
}
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: blur(14px);
}
.form-group { margin-bottom: 1.3rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.form-group input, .form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.92rem;
  transition: var(--transition);
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary);
  background: rgba(59,130,246,0.05);
}
.form-status { margin-top: 1rem; font-size: 0.88rem; color: var(--accent); min-height: 1.2rem; }

.contact-info { display: flex; flex-direction: column; gap: 1.2rem; }
.info-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.3rem;
  backdrop-filter: blur(14px);
}
.info-card i { font-size: 1.2rem; color: var(--primary); margin-top: 0.2rem; }
.info-card h4 { font-size: 0.92rem; margin-bottom: 0.2rem; }
.info-card p { color: var(--text-secondary); font-size: 0.86rem; }

.social-links { display: flex; gap: 0.8rem; margin-top: 0.5rem; }
.social-btn {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}
.social-btn:hover {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  transform: translateY(-4px);
  border-color: transparent;
}

/* ---------- FOOTER ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  position: relative;
  z-index: 2;
}
.footer p { color: var(--text-secondary); font-size: 0.9rem; }
.footer i { color: var(--danger); }
.footer-sub { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.4rem; }

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-primary);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 500;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px) scale(1.05); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .github-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .btn-nav-cta { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    right: 0;
    width: 70%;
    max-width: 300px;
    height: calc(100vh - 64px);
    background: rgba(11,17,32,0.97);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    z-index: 999;
  }

  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin-inline: auto; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-role { justify-content: center; }
  .about-footer { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 4.5rem 0; }
  .about-grid, .skills-grid, .projects-grid, .certs-grid, .services-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats { gap: 1.4rem; }
  .terminal-body { min-height: 260px; font-size: 0.78rem; }
  .floating-card { width: 42px; height: 42px; font-size: 1.1rem; }
  .back-to-top { right: 1.2rem; bottom: 1.2rem; }
}