/* ============================================
   HK Engineering — Complete Styles
   ============================================ */

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

/* ── CSS Variables ─────────────────────────── */
:root {
  --font-primary: 'Inter', sans-serif;
  --color-bg: #0F172A;
  --color-bg-light: #1e293b;
  --color-bg-card: rgba(255,255,255,0.05);
  --color-text: #e2e8f0;
  --color-text-muted: #aab6c8;
  --color-primary: #ff6b6b;
  --color-accent: #ffd166;
  --color-blue: #3b82f6;
  --color-purple: #8b5cf6;
  --border-radius: 0.8rem;
  --transition-fast: 0.25s ease;
  --transition-medium: 0.4s ease;
  --transition-spring: 0.55s cubic-bezier(0.34,1.56,0.64,1);
  --transition-cinematic: 0.8s cubic-bezier(0.16,1,0.3,1);
  --transition-slow: 1s ease;
  --grid-gap: 1.5rem;
  --header-height: 4rem;
  --perspective: 1200px;
  --glow-blue:   rgba(59,130,246,0.45);
  --glow-purple: rgba(139,92,246,0.45);
  --shadow-d1: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-d2: 0 12px 40px rgba(0,0,0,0.40);
  --shadow-d3: 0 24px 64px rgba(0,0,0,0.55);
}

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

html {
  scroll-behavior: smooth;
}

html, body {
  font-family: var(--font-primary);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent); }

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

/* ── Utility ────────────────────────────────── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── Gradient Text ──────────────────────────── */
.gradient-text {
  background: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 35%, #ffd166 60%, #ff6b6b 80%, #3b82f6 100%);
  background-size: 250% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerSweep 5s linear infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50%       { background-position: 100% 50%; }
}

/* ── Site Header ────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 1000;
  transition: background var(--transition-medium);
}

.site-header.scrolled {
  background: rgba(15, 23, 42, 0.98);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.logo {
  display: inline-flex;
  align-items: center;
  transition: opacity var(--transition-fast), filter var(--transition-fast);
}
.logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(59,130,246,0.35));
  transition: filter var(--transition-medium), transform var(--transition-fast);
}
.logo:hover .logo-img {
  filter: drop-shadow(0 0 12px rgba(139,92,246,0.6)) drop-shadow(0 0 24px rgba(59,130,246,0.35));
  transform: scale(1.06);
}
.footer-brand .logo-img { height: 40px; }

/* ── Navigation ─────────────────────────────── */
.nav ul {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}

.nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  padding: 0.4rem 0.85rem;
  border-radius: 0.5rem;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav a:hover,
.nav a.active {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.nav-cta {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6) !important;
  color: #fff !important;
  font-weight: 600 !important;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.4rem 1.1rem !important;
  border-radius: 0.5rem;
  transition: all 0.3s ease !important;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.6) !important;
  filter: brightness(1.1);
}

/* ── Mobile Nav Toggle ──────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.3rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  position: relative;
  z-index: 1001; /* Stay on top of mobile menu */
}
.nav-toggle span {
  width: 1.6rem;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}
.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); }

.logo {
  position: relative;
  z-index: 1001; /* Stay on top of mobile menu */
}

@media (max-width: 768px) {
  .site-header {
    padding: 0 1.25rem;
  }
  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: calc(var(--header-height) + 1.5rem) 1.5rem 2rem;
    background: rgba(15, 23, 42, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-110%);
    transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  }
  .nav.open {
    transform: translateY(0);
  }
  .nav ul {
    flex-direction: column;
    gap: 0.4rem;
  }
  .nav li {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  .nav.open li {
    opacity: 1;
    transform: translateY(0);
  }
  /* Staggered entrance animation for links */
  .nav.open li:nth-child(1) { transition-delay: 0.08s; }
  .nav.open li:nth-child(2) { transition-delay: 0.14s; }
  .nav.open li:nth-child(3) { transition-delay: 0.20s; }
  .nav.open li:nth-child(4) { transition-delay: 0.26s; }
  .nav.open li:nth-child(5) { transition-delay: 0.32s; }
  .nav.open li:nth-child(6) { transition-delay: 0.38s; }

  .nav a {
    display: block;
    font-size: 1.1rem;
    padding: 0.75rem 1rem;
    border-radius: 0.6rem;
    border-left: 3px solid transparent;
    transition: color 0.25s ease, background 0.25s ease, padding-left 0.25s ease, border-left-color 0.25s ease;
  }
  .nav a:hover,
  .nav a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    padding-left: 1.4rem;
    border-left-color: var(--color-blue);
  }
  .nav-toggle {
    display: flex;
  }
}

/* ── Page Content ───────────────────────────── */
main, .page-content {
  padding-top: var(--header-height);
}

/* ── Hero Section ───────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0F172A 0%, rgba(76, 0, 255, 0.25) 50%, #0F172A 100%);
  overflow: hidden;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(59,130,246,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(139,92,246,0.12) 0%, transparent 60%);
  pointer-events: none;
}

#particleContainer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

#particleContainer canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.6);
  pointer-events: none;
}

/* ── Hero 2-Column Grid ─────────────────────── */
.hero-grid {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1100px;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  animation: fadeInUp 1s ease forwards;
}

.hero-left {
  text-align: left;
}

.hero-left h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: #93c5fd;
  margin-bottom: 1.2rem;
  min-height: 2rem;
}

.typewriter-cursor {
  animation: blink 1s infinite;
  color: var(--color-primary);
}
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-description {
  font-size: 1.05rem;
  color: #cbd5e1;
  max-width: 500px;
  line-height: 1.75;
}

/* ── Hero Button Grid ───────────────────────── */
.hero-right {
  position: relative;
}

.hero-btn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.hero-grid-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  border: 2px solid transparent;
}

.hero-grid-btn.primary {
  background: #fff;
  color: #0F172A;
}
.hero-grid-btn.primary:hover {
  background: var(--color-accent);
  color: #0F172A;
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255,209,102,0.35);
}

.hero-grid-btn.secondary {
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.hero-grid-btn.secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.hero-right-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse at center, rgba(139,92,246,0.18) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

/* Legacy .hero-content / .hero-buttons for backward compat on other sections */
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
  padding: 2rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Hero responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .hero-left { text-align: center; }
  .hero-description { max-width: 560px; margin: 0 auto; }
  .hero-btn-grid { max-width: 400px; margin: 0 auto; }
}
@media (max-width: 480px) {
  .hero-btn-grid { grid-template-columns: 1fr; }
}

/* ── CTA Buttons ────────────────────────────── */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 2px solid transparent;
}
.cta-button.primary {
  background: #fff;
  color: #0F172A;
}
.cta-button.primary:hover {
  background: var(--color-accent);
  color: #0F172A;
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255,209,102,0.3);
}
.cta-button.secondary {
  background: transparent;
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.cta-button.secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  transform: translateY(-3px);
}
.cta-button.outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.cta-button.outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-3px);
}

/* ── Floating Dock (Bottom Navigation) ─────── */
@keyframes dockBreathe {
  0%, 100% { transform: translateX(-50%) scale(1); }
  50%       { transform: translateX(-50%) scale(1.03); }
}

.floating-dock {
  position: fixed;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 900;
  animation: dockBreathe 4s ease-in-out infinite;
}

.dock-inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 9999px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.dock-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #94a3b8;
  transition: color 0.25s ease, transform 0.25s ease, background 0.25s ease, filter 0.25s ease;
  position: relative;
}
.dock-btn:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
  transform: scale(1.25) translateY(-4px) rotate(6deg);
  filter: drop-shadow(0 0 6px rgba(59,130,246,0.4));
}
.dock-btn svg { pointer-events: none; }

.dock-btn .dock-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15,23,42,0.95);
  color: #e2e8f0;
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 0.4rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  border: 1px solid rgba(255,255,255,0.1);
}
.dock-btn:hover .dock-tooltip { opacity: 1; }

.dock-divider {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,0.1);
  margin: 0 0.25rem;
}

/* ── Section Layout ─────────────────────────── */
.section {
  padding: 5rem 2rem;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

/* ── Reveal Animation ───────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Hover Lift ─────────────────────────────── */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* ── Skill Cards & Bars ─────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0,0,0,0.25);
  border-color: rgba(59,130,246,0.3);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.skill-card-header img,
.skill-icon { width: 32px; height: 32px; object-fit: contain; }
.skill-card-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.skill-bar {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-blue), var(--color-purple));
  border-radius: 3px;
  width: 0%;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ── Project / Case Cards ────────────────────── */
.projects-grid, .cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card, .case-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
}
.project-card:hover, .case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.35);
  border-color: rgba(139,92,246,0.3);
}

.case-image, .project-thumb {
  width: 100%;
  padding-top: 56.25%;
  background-size: cover;
  background-position: center;
  background-color: var(--color-bg-light);
  position: relative;
}
.case-image img, .project-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card a {
  color: inherit;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}
.card-body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

.case-card h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  padding: 1rem 1rem 0.25rem;
}
.case-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 0 1rem 1rem;
  margin: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}
.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  background: rgba(59,130,246,0.15);
  color: #93c5fd;
  border: 1px solid rgba(59,130,246,0.2);
}
.tag.purple  { background: rgba(139,92,246,0.15); color: #c4b5fd; border-color: rgba(139,92,246,0.2); }
.tag.green   { background: rgba(34,197,94,0.12);  color: #86efac;  border-color: rgba(34,197,94,0.2); }
.tag.orange  { background: rgba(249,115,22,0.12); color: #fdba74;  border-color: rgba(249,115,22,0.2); }
.tag.gray    { background: rgba(148,163,184,0.12);color: #cbd5e1;  border-color: rgba(148,163,184,0.2); }
.tag.red     { background: rgba(239,68,68,0.12);  color: #fca5a5;  border-color: rgba(239,68,68,0.2); }

.card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 1rem;
  transition: gap 0.2s, color 0.2s;
}
.card-link:hover { color: var(--color-purple); gap: 0.5rem; }

/* ── About Hero ─────────────────────────────── */
.page-hero {
  padding: calc(var(--header-height) + 4rem) 2rem 4rem;
  text-align: center;
  background: linear-gradient(135deg, #0F172A 0%, rgba(76,0,255,0.2) 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(59,130,246,0.1) 0%, transparent 70%);
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  position: relative;
}
.page-hero p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ── About Content ──────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
}

.about-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
  padding: 2rem;
  backdrop-filter: blur(8px);
}
.about-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1rem;
}
.about-card p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.timeline {
  list-style: none;
  padding: 0;
}
.timeline li {
  padding: 0.75rem 0 0.75rem 1.5rem;
  border-left: 2px solid rgba(59,130,246,0.3);
  margin-bottom: 0.5rem;
  position: relative;
  color: var(--color-text-muted);
}
.timeline li::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-blue);
  border-radius: 50%;
}
.timeline li strong { color: #fff; display: block; margin-bottom: 0.2rem; }
.timeline li span { font-size: 0.85rem; color: var(--color-primary); }

/* ── Contact Form ───────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1rem;
}
.contact-info p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-muted);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color var(--transition-fast);
  font-size: 0.95rem;
}
.contact-link:hover { color: #fff; }
.contact-link svg { flex-shrink: 0; color: var(--color-blue); }

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
  padding: 2rem;
  backdrop-filter: blur(8px);
}

.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0.6rem;
  color: #fff;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  resize: vertical;
}
.form-group select {
  color-scheme: dark;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%2394a3b8' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 1rem;
  padding-right: 2.75rem;
  resize: none;
}
.form-group select option {
  background: #1e293b;
  color: #e2e8f0;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-blue);
  background: rgba(59,130,246,0.05);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(148,163,184,0.5); }

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: 0.7rem;
  cursor: pointer;
  width: 100%;
  justify-content: center;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.form-submit:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-success {
  display: none;
  padding: 1rem;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 0.6rem;
  color: #86efac;
  text-align: center;
  margin-top: 1rem;
}

/* ── Blog Styles ────────────────────────────── */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 720px;
  margin: 0 auto;
}

.blog-entry {
  display: block;
  padding: 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
  backdrop-filter: blur(8px);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  color: inherit;
}
.blog-entry:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
  border-color: rgba(59,130,246,0.3);
  background: rgba(255,255,255,0.07);
  color: inherit;
}

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

.blog-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.3rem;
}
.blog-date {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.blog-tags {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.blog-arrow {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background 0.2s, color 0.2s, transform 0.2s, width 0.2s, height 0.2s;
}
.blog-entry:hover .blog-arrow {
  background: rgba(59,130,246,0.2);
  color: #fff;
  transform: translateX(4px);
}

/* ── Blog Post ──────────────────────────────── */
.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  transition: color var(--transition-fast), gap 0.2s;
}
.blog-back:hover { color: #fff; gap: 0.6rem; }

.blog-post {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  backdrop-filter: blur(8px);
  max-width: 760px;
  margin: 0 auto;
}

.blog-post h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.blog-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.blog-post article {
  color: var(--color-text);
  line-height: 1.85;
}
.blog-post article p { margin-bottom: 1.2rem; }
.blog-post article h2 {
  font-size: 1.4rem;
  font-weight: 600;
  color: #fff;
  margin: 2rem 0 1rem;
}
.blog-post article h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #e2e8f0;
  margin: 1.5rem 0 0.75rem;
}
.blog-post article blockquote {
  border-left: 3px solid rgba(59,130,246,0.5);
  padding-left: 1.2rem;
  font-style: italic;
  color: #94a3b8;
  margin: 1.5rem 0;
}
.blog-post article strong { color: #fff; }
.blog-post article em { color: #c4b5fd; }
.blog-post article code {
  background: rgba(255,255,255,0.08);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-family: 'Fira Code', monospace;
  font-size: 0.9em;
  color: #93c5fd;
}

/* ── Services / Skills Section ──────────────── */
.services-intro {
  max-width: 640px;
  margin: 0 auto 3rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.service-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.service-item {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
  padding: 2rem;
  backdrop-filter: blur(8px);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.service-item:hover {
  transform: translateY(-4px);
  border-color: rgba(59,130,246,0.25);
}
.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(139,92,246,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-blue);
}
.service-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}
.service-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── Footer ─────────────────────────────────── */
.site-footer {
  background: #080d19;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 3rem 2rem 6rem; /* extra bottom for dock */
  color: var(--color-text-muted);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 2rem;
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
}

.footer-brand .logo { margin-bottom: 0.75rem; }
.footer-brand p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.7; }

.footer-nav h3, .footer-social h3,
.footer-nav h4, .footer-social h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.footer-nav ul { list-style: none; }
.footer-nav li { margin-bottom: 0.5rem; }
.footer-nav a { color: var(--color-text-muted); font-size: 0.9rem; transition: color var(--transition-fast); }
.footer-nav a:hover { color: #fff; }

.social-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
@media (max-width: 768px) { .social-row { justify-content: center; } }

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}
.social-btn:hover {
  background: rgba(59,130,246,0.2);
  border-color: rgba(59,130,246,0.4);
  color: #fff;
  transform: translateY(-3px);
}

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(148,163,184,0.6);
}

/* ── Stats Row ──────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}
.stat-item {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
}
.stat-item .stat-number {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  display: block;
}
.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* ── Toast Notification ─────────────────────── */
.toast {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  padding: 1rem 1.5rem;
  border-radius: 0.75rem;
  color: #fff;
  font-weight: 500;
  font-size: 0.95rem;
  z-index: 9999;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  max-width: 320px;
}
.toast.show { opacity: 1; transform: translateX(0); }
.toast.success { background: linear-gradient(135deg, #059669, #10b981); }
.toast.error   { background: linear-gradient(135deg, #dc2626, #ef4444); }
.toast.info    { background: linear-gradient(135deg, #2563eb, #3b82f6); }

/* ── Misc ───────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin: 2rem 0;
}

.bg-alt { background: var(--color-bg-light); }

.text-center { text-align: center; }
.text-white { color: #fff; }
.text-muted { color: var(--color-text-muted); }

/* ── Responsive Helpers ─────────────────────── */
@media (max-width: 640px) {
  .section { padding: 3.5rem 1.25rem; }
  .floating-dock { bottom: 0.8rem; }
  .dock-inner { gap: 0.3rem; padding: 0.5rem 0.75rem; }
  .dock-btn { width: 36px; height: 36px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .blog-post { padding: 1.5rem; }
}

/* ============================================
   3D ANIMATION SYSTEM — Premium Enhancements
   ============================================ */

/* ── New Keyframes ──────────────────────────── */

@keyframes shimmerSweep {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

@keyframes floatY {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

@keyframes auroraShift {
  0%   { transform: rotate(0deg) scale(1); opacity: 0.7; }
  33%  { transform: rotate(120deg) scale(1.1); opacity: 0.9; }
  66%  { transform: rotate(240deg) scale(0.95); opacity: 0.75; }
  100% { transform: rotate(360deg) scale(1); opacity: 0.7; }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 12px var(--glow-blue), 0 0 24px transparent; }
  50%       { box-shadow: 0 0 28px var(--glow-purple), 0 0 48px var(--glow-blue); }
}

@keyframes rippleOut {
  0%   { transform: scale(0); opacity: 0.55; }
  100% { transform: scale(2.8); opacity: 0; }
}

@property --border-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0turn;
}

@keyframes borderFlow {
  0%   { --border-angle: 0turn; }
  100% { --border-angle: 1turn; }
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes navUnderlineIn {
  from { left: 50%; right: 50%; }
  to   { left: 0;   right: 0; }
}

@keyframes sectionTitleLine {
  from { width: 0; }
  to   { width: 100%; }
}

/* ── Page Fade-in ───────────────────────────── */
body {
  animation: pageFadeIn 0.6s ease forwards;
}

/* ── Scroll Progress Bar ────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  z-index: 1100;
  background: linear-gradient(90deg, var(--color-blue), var(--color-purple), var(--color-accent));
  border-radius: 0 9999px 9999px 0;
  box-shadow: 0 0 10px var(--glow-blue);
  transition: width 0.06s linear;
  pointer-events: none;
}

/* ── Cursor Glow ────────────────────────────── */
.cursor-glow {
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.07) 0%, rgba(139,92,246,0.04) 40%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: left 0.08s ease, top 0.08s ease, opacity 0.4s ease;
  opacity: 0;
}

/* ── Aurora Hero Background ─────────────────── */
.hero-aurora {
  position: absolute;
  top: -30%; left: -15%;
  width: 130%; height: 160%;
  z-index: 0;
  pointer-events: none;
  background: conic-gradient(
    from 0deg at 40% 55%,
    rgba(59,130,246,0.22)  0deg,
    rgba(139,92,246,0.28)  90deg,
    rgba(255,107,107,0.12) 180deg,
    rgba(59,130,246,0.20)  270deg,
    rgba(139,92,246,0.18)  360deg
  );
  filter: blur(55px);
  border-radius: 50%;
  animation: auroraShift 16s linear infinite;
  will-change: transform;
}

/* Hero scanline texture */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255,255,255,0.012) 3px,
    rgba(255,255,255,0.012) 4px
  );
}

/* Hero H1 float */
.hero-left h1 {
  animation: floatY 7s ease-in-out infinite;
}

/* Hero subtitle float stagger */
.hero-subtitle {
  animation: floatY 7s 1.8s ease-in-out infinite;
}

/* Hero right glow pulse */
.hero-right-glow {
  animation: glowPulse 4.5s ease-in-out infinite;
}

/* Primary CTA button glow */
.hero-grid-btn.primary {
  animation: glowPulse 3.5s ease-in-out infinite;
}
.hero-grid-btn.primary:hover {
  animation: none;
}

/* ── Reveal Variants ────────────────────────── */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.75s var(--transition-cinematic),
              transform 0.75s var(--transition-cinematic);
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.75s var(--transition-cinematic),
              transform 0.75s var(--transition-cinematic);
}
.reveal-scale {
  opacity: 0;
  transform: scale(0.88);
  transition: opacity 0.75s var(--transition-cinematic),
              transform 0.75s var(--transition-cinematic);
}
.reveal-blur {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(22px) scale(0.97);
  transition: opacity 0.75s var(--transition-cinematic),
              transform 0.75s var(--transition-cinematic),
              filter 0.75s ease;
}

.reveal-left.active,
.reveal-right.active  { opacity: 1; transform: translateX(0); }
.reveal-scale.active  { opacity: 1; transform: scale(1); }
.reveal-blur.active   { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); }

/* Extra stagger delays */
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ── Navigation Underline Glow ──────────────── */
nav.nav a {
  position: relative;
}
nav.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  right: 50%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-purple));
  border-radius: 9999px;
  filter: blur(1px);
  transition: left 0.35s ease, right 0.35s ease;
}
nav.nav a:hover::after,
nav.nav a.active::after {
  left: 0;
  right: 0;
}

/* ── Section Title Underline ────────────────── */
.section-title {
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  display: block;
  height: 3px;
  margin-top: 0.45rem;
  background: linear-gradient(90deg, var(--color-blue), var(--color-purple));
  border-radius: 9999px;
  box-shadow: 0 0 10px var(--glow-blue);
  width: 0;
  transition: width 0.8s var(--transition-cinematic);
}
.section-title.active::after,
.section-header.active .section-title::after {
  width: 100%;
}

/* ── 3D Tilt Card System ────────────────────── */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform var(--transition-spring), box-shadow var(--transition-spring);
  will-change: transform;
}
.tilt-card:hover {
  box-shadow: var(--shadow-d3);
}

/* Glossy sheen layer */
.tilt-card .card-sheen {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.07) 0%,
    rgba(255,255,255,0.02) 40%,
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 1;
}
.tilt-card:hover .card-sheen {
  opacity: 1;
}

/* Rotating border glow on project cards */
.project-card {
  position: relative;
}
.project-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  z-index: -1;
  background: conic-gradient(
    from var(--border-angle),
    transparent 0%,
    var(--glow-blue) 25%,
    var(--glow-purple) 55%,
    transparent 65%
  );
  animation: borderFlow 3.5s linear infinite;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.project-card:hover::before {
  opacity: 1;
}

/* ── Project Image Zoom + Overlay ───────────── */
.project-thumb {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}
.project-thumb img {
  transition: transform 0.65s var(--transition-cinematic);
  width: 100%;
  display: block;
}
.project-card:hover .project-thumb img {
  transform: scale(1.07);
}
.project-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(59,130,246,0.18),
    rgba(139,92,246,0.18)
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.project-card:hover .project-thumb::after {
  opacity: 1;
}

/* ── Skill Bar Glow ─────────────────────────── */
.skill-fill {
  box-shadow: 0 0 8px var(--glow-blue);
}
.skill-fill.filled {
  animation: glowPulse 3s ease-in-out infinite;
}

/* ── Ripple Button Base ──────────────────────── */
.ripple-btn {
  position: relative;
  overflow: hidden;
}

/* ── Blog Entry hover enhancement ──────────── */
.blog-entry {
  transition: transform 0.35s var(--transition-spring),
              box-shadow 0.35s var(--transition-spring),
              border-color 0.25s ease,
              background 0.25s ease;
}
.blog-entry:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-d2);
}

/* ── Social Button Glow ──────────────────────── */
.social-btn:hover {
  box-shadow: 0 0 14px var(--glow-blue);
}

/* ── About Timeline Enhancement ─────────────── */
.timeline-item {
  transition: transform 0.4s var(--transition-spring);
}
.timeline-item:hover {
  transform: translateX(6px);
}

/* ── Footer Brand hover ──────────────────────── */
.footer-brand .logo:hover {
  filter: drop-shadow(0 0 8px var(--glow-blue));
}

/* ── Dock Tooltip slide-fade ────────────────── */
.dock-btn .dock-tooltip {
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform: translateX(-50%) translateY(4px);
  opacity: 0;
}
.dock-btn:hover .dock-tooltip {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ── Responsive: disable heavy effects on touch/small screens ── */
@media (pointer: coarse) {
  .tilt-card { transform: none !important; }
  .cursor-glow { display: none; }
  .hero-left h1,
  .hero-subtitle { animation: none; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .cursor-glow { display: none; }
}

/* ============================================
   HERO CENTERED LAYOUT — New Landing Page
   ============================================ */

/* ── Hero Content column ────────────────────── */
.hero .hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
  width: 100%;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
}

.hero .hero-content h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0;
  animation: floatY 8s ease-in-out infinite;
}

/* ── Subtitle Row with decorative rules ─────── */
.hero-subtitle-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
  width: 100%;
  max-width: 540px;
}

.subtitle-rule {
  flex: 1;
  height: 1px;
  max-width: 80px;
  background: linear-gradient(90deg, transparent, var(--color-blue), var(--color-purple), transparent);
  opacity: 0.55;
}

.hero-subtitle-inner {
  display: inline-flex;
  align-items: center;
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: #93c5fd;
  font-weight: 500;
  white-space: nowrap;
}

/* ── Hero Description ───────────────────────── */
.hero .hero-description {
  font-size: clamp(0.93rem, 1.5vw, 1.05rem);
  color: #cbd5e1;
  max-width: 580px;
  line-height: 1.78;
  text-align: center;
  margin: 0;
}

/* ── Tech Tag Pills ─────────────────────────── */
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: center;
}

.hero-tag {
  display: inline-block;
  padding: 0.32rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.25);
  color: #93c5fd;
  letter-spacing: 0.025em;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.hero-tag:hover {
  background: rgba(59,130,246,0.22);
  border-color: rgba(59,130,246,0.5);
  transform: translateY(-2px);
}

/* ── Hero CTA Buttons ───────────────────────── */
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.cta-hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.78rem 1.9rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1.5px solid transparent;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--transition-spring), box-shadow 0.3s ease, background 0.25s ease;
}

.cta-hero-btn.primary {
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  color: #fff;
  box-shadow: 0 4px 18px rgba(59,130,246,0.35);
  animation: glowPulse 3.5s ease-in-out infinite;
}
.cta-hero-btn.primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 32px rgba(59,130,246,0.5);
  animation: none;
  color: #fff;
}

.cta-hero-btn.secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.28);
}
.cta-hero-btn.secondary:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.55);
  transform: translateY(-3px);
  color: #fff;
}

/* ── Floating Tech Icons ────────────────────── */
.hero-floaters {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  overflow: hidden;
}

.floater {
  position: absolute;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  animation: floatY 6s ease-in-out infinite;
}

.floater img,
.floater svg {
  width: 30px;
  height: 30px;
  object-fit: contain;
  pointer-events: none;
  display: block;
}

/* Positions + individual stagger */
.f1 { top: 12%; left: 5%;   animation-delay: 0s;    animation-duration: 6s;   }
.f2 { top: 55%; left: 3.5%; animation-delay: 0.9s;  animation-duration: 7.2s; }
.f3 { top: 80%; left: 10%;  animation-delay: 1.7s;  animation-duration: 5.6s; }
.f4 { top: 15%; right: 6%;  animation-delay: 0.4s;  animation-duration: 6.6s; }
.f5 { top: 52%; right: 4%;  animation-delay: 1.3s;  animation-duration: 7.8s; }
.f6 { top: 78%; right: 8%;  animation-delay: 2.1s;  animation-duration: 5.9s; }
.f7 { top: 7%;  left: calc(50% - 110px); animation-delay: 0.6s; animation-duration: 8.2s; }
.f8 { bottom: 7%; left: calc(50% + 55px); animation-delay: 1.5s; animation-duration: 6.4s; }

/* n8n text badge */
.floater-text-badge {
  width: auto;
  padding: 0.38rem 0.85rem;
}
.floater-text-badge span {
  font-size: 0.88rem;
  font-weight: 700;
  color: #e879f9;
  letter-spacing: 0.05em;
}

/* ── Scroll label ───────────────────────────── */
.scroll-label {
  display: block;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Mobile overrides ───────────────────────── */
@media (max-width: 900px) {
  .hero .hero-content h1 { font-size: clamp(2.6rem, 9vw, 4.5rem); }
  .f3, .f6, .f7, .f8 { display: none; }
}

@media (max-width: 640px) {
  .hero .hero-content { gap: 1.2rem; }
  .hero .hero-content h1 { font-size: clamp(2.4rem, 11vw, 3.6rem); }
  .hero-subtitle-row { max-width: 100%; gap: 0.6rem; }
  .subtitle-rule { max-width: 40px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .cta-hero-btn { width: 100%; max-width: 240px; }
  .floater { width: 46px; height: 46px; }
  .floater img, .floater svg { width: 24px; height: 24px; }
  .f2, .f5 { display: none; }
}