/* ============================================================
   SAMEER KHAN — PREMIUM PORTFOLIO DESIGN SYSTEM
   ============================================================ */

/* ----------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ---------------------------------------------------------- */
:root {
  /* Colours */
  --bg:           #080b12;
  --bg-secondary: #0d1117;
  --bg-card:      #111520;
  --bg-card-hover:#161b2a;
  --border:       rgba(255, 255, 255, 0.07);
  --border-hover: rgba(124, 92, 255, 0.4);

  /* Text */
  --text:         #e8eaf0;
  --text-muted:   #8891a4;
  --text-faint:   #4a5568;

  /* Brand / Accent */
  --accent:       #7c5cff;
  --accent-2:     #a78bfa;
  --accent-glow:  rgba(124, 92, 255, 0.25);
  --accent-glow2: rgba(124, 92, 255, 0.08);
  --green:        #10b981;
  --green-glow:   rgba(16, 185, 129, 0.2);
  --fittrack:     #00d4aa;
  --fittrack-dark:#00a880;
  --fittrack-glow:rgba(0, 212, 170, 0.2);

  /* Gradients */
  --grad-accent:  linear-gradient(135deg, #7c5cff 0%, #a78bfa 100%);
  --grad-fittrack:linear-gradient(135deg, #00d4aa 0%, #0891b2 100%);
  --grad-card:    linear-gradient(135deg, rgba(124,92,255,0.06) 0%, rgba(167,139,250,0.02) 100%);
  --grad-hero:    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(124,92,255,0.18) 0%, transparent 70%);
  --grad-text:    linear-gradient(135deg, #e8eaf0 0%, #a78bfa 60%, #7c5cff 100%);

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

  /* Spacing scale */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Borders */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full:9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.6);
  --shadow-accent: 0 0 30px rgba(124,92,255,0.2);
  --shadow-fittrack: 0 0 30px rgba(0,212,170,0.2);

  /* Transitions */
  --ease:        cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast:    180ms;
  --dur-med:     320ms;
  --dur-slow:    500ms;
}

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

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

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

/* ----------------------------------------------------------
   3. ACCESSIBILITY
   ---------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

@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; }
}

/* ----------------------------------------------------------
   4. TYPOGRAPHY
   ---------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.1rem; }

p { line-height: 1.7; }

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color var(--dur-fast) ease;
}
a:hover { color: var(--text); }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

/* ----------------------------------------------------------
   5. LAYOUT
   ---------------------------------------------------------- */
.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

.container--narrow {
  width: min(800px, 92%);
  margin-inline: auto;
}

section {
  padding-block: var(--space-3xl);
  position: relative;
}

/* ----------------------------------------------------------
   6. SECTION HEADERS
   ---------------------------------------------------------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--grad-accent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* ----------------------------------------------------------
   7. BUTTONS
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform var(--dur-fast) var(--ease-bounce),
    box-shadow var(--dur-med) ease,
    background var(--dur-fast) ease,
    filter var(--dur-fast) ease;
  position: relative;
  white-space: nowrap;
  will-change: transform;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn:hover { text-decoration: none; }

.btn--primary {
  background: var(--grad-accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,92,255,0.4);
  color: #fff;
}
.btn--primary:active { transform: translateY(0); }

.btn--secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.btn--secondary:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  background: var(--accent-glow2);
  box-shadow: var(--shadow-accent);
  color: var(--text);
}

.btn--fittrack {
  background: var(--grad-fittrack);
  color: #fff;
  box-shadow: 0 4px 20px var(--fittrack-glow);
}
.btn--fittrack:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,212,170,0.4);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 8px 16px;
  font-size: 0.8rem;
}
.btn--ghost:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--accent-glow2);
  transform: translateY(-1px);
}

.btn i, .btn svg { flex-shrink: 0; }

/* ----------------------------------------------------------
   8. CARDS
   ---------------------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition:
    transform var(--dur-med) var(--ease),
    border-color var(--dur-med) ease,
    box-shadow var(--dur-med) ease,
    background var(--dur-med) ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity var(--dur-med) ease;
  pointer-events: none;
  border-radius: inherit;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-accent);
  background: var(--bg-card-hover);
}
.card:hover::before { opacity: 1; }

/* ----------------------------------------------------------
   9. BADGES & CHIPS
   ---------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.badge--accent {
  background: rgba(124,92,255,0.15);
  color: var(--accent-2);
  border: 1px solid rgba(124,92,255,0.3);
}

.badge--fittrack {
  background: rgba(0,212,170,0.12);
  color: var(--fittrack);
  border: 1px solid rgba(0,212,170,0.3);
}

.badge--green {
  background: rgba(16,185,129,0.12);
  color: var(--green);
  border: 1px solid rgba(16,185,129,0.3);
}

.badge--muted {
  background: rgba(255,255,255,0.06);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--dur-fast) ease;
  cursor: default;
}
.chip:hover {
  background: var(--accent-glow2);
  border-color: rgba(124,92,255,0.3);
  color: var(--accent-2);
}

/* ----------------------------------------------------------
   10. DIVIDER
   ---------------------------------------------------------- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  border: none;
  margin-block: 0;
}

/* ----------------------------------------------------------
   11. SCROLL ANIMATIONS BASE
   ---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-scale {
  opacity: 0;
  transform: scale(0.93);
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.delay-1  { transition-delay: 80ms; }
.delay-2  { transition-delay: 160ms; }
.delay-3  { transition-delay: 240ms; }
.delay-4  { transition-delay: 320ms; }
.delay-5  { transition-delay: 400ms; }
.delay-6  { transition-delay: 480ms; }

/* ----------------------------------------------------------
   12. GRID UTILITIES
   ---------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-lg);
}
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ----------------------------------------------------------
   13. BACKGROUND NOISE / TEXTURE OVERLAY
   ---------------------------------------------------------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* All content sits above texture */
header, main, footer { position: relative; z-index: 1; }

/* ============================================================
   COMPONENT STYLES
   ============================================================ */

/* ----------------------------------------------------------
   NAV
   ---------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0;
  transition: all var(--dur-med) ease;
}

.nav.scrolled {
  background: rgba(8, 11, 18, 0.85);
  backdrop-filter: saturate(1.5) blur(20px);
  -webkit-backdrop-filter: saturate(1.5) blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-lg);
}

.nav__brand {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
  letter-spacing: -0.02em;
  transition: color var(--dur-fast) ease;
}
.nav__brand:hover { color: var(--accent-2); text-decoration: none; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.nav__links a {
  display: inline-block;
  padding: 7px 13px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--dur-fast) ease;
  position: relative;
}

.nav__links a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.nav__links a.active {
  color: var(--accent-2);
  background: rgba(124,92,255,0.1);
}

.nav__links a.nav__fittrack {
  color: var(--fittrack);
  background: rgba(0,212,170,0.08);
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: var(--radius-full);
  margin-left: 4px;
}
.nav__links a.nav__fittrack:hover {
  background: rgba(0,212,170,0.15);
  color: var(--fittrack);
  box-shadow: 0 0 16px var(--fittrack-glow);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  gap: 5px;
  padding: 8px;
  transition: border-color var(--dur-fast) ease;
}
.nav__hamburger:hover { border-color: var(--border-hover); }

.nav__hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--dur-med) var(--ease);
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(8,11,18,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-sm);
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--dur-med) var(--ease);
}

.nav__mobile.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.nav__mobile a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--dur-fast) ease;
  border: 1px solid transparent;
}
.nav__mobile a:hover, .nav__mobile a.active {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border-color: var(--border);
}
.nav__mobile a.nav__fittrack {
  color: var(--fittrack);
  background: rgba(0,212,170,0.08);
  border-color: rgba(0,212,170,0.2);
  margin-top: var(--space-sm);
}

/* ----------------------------------------------------------
   HERO
   ---------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

/* Radial gradient top glow */
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(124,92,255,0.14) 0%, transparent 65%);
  pointer-events: none;
}

/* Bottom fade */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-3xl);
  align-items: center;
  padding-block: var(--space-3xl);
  width: 100%;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero__status {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0.04em;
}

.hero__status-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-green 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  50% { opacity: 0.8; box-shadow: 0 0 0 5px rgba(16,185,129,0); }
}

.hero__name {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, #ffffff 0%, #c4b5fd 50%, #7c5cff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.hero__title span {
  color: var(--accent-2);
}

.hero__founder-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.3);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--fittrack);
  margin-bottom: var(--space-xl);
  letter-spacing: 0.03em;
  width: fit-content;
}

.hero__founder-badge i { font-size: 0.75rem; }

.hero__tagline {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  max-width: 540px;
  line-height: 1.6;
}

.hero__tagline strong {
  color: var(--text);
  font-style: italic;
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.hero__social {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: all var(--dur-fast) var(--ease-bounce);
  text-decoration: none;
}
.hero__social-link:hover {
  color: var(--accent-2);
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

/* Hero photo */
.hero__photo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__photo-ring {
  position: relative;
  width: 320px;
  height: 320px;
}

.hero__photo-ring::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: var(--grad-accent);
  border-radius: 50%;
  animation: spin-slow 8s linear infinite;
  opacity: 0.6;
  filter: blur(1px);
}

.hero__photo-ring::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--bg);
  border-radius: 50%;
  z-index: 0;
}

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

.hero__photo {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  overflow: hidden;
  z-index: 1;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* Placeholder for when no image */
.hero__photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(124,92,255,0.08) 100%);
  border-radius: 50%;
  text-align: center;
  padding: 20px;
}

.hero__photo-placeholder i {
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.6;
}

.hero__photo-placeholder span {
  font-size: 0.75rem;
  color: var(--text-faint);
  font-weight: 500;
  line-height: 1.4;
}

/* Floating decoration orbs */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: float-orb 6s ease-in-out infinite;
}

.hero__orb--1 {
  width: 300px;
  height: 300px;
  background: rgba(124,92,255,0.08);
  top: 10%;
  right: -100px;
  animation-delay: 0s;
}

.hero__orb--2 {
  width: 200px;
  height: 200px;
  background: rgba(0,212,170,0.06);
  bottom: 20%;
  right: 15%;
  animation-delay: 2s;
}

.hero__orb--3 {
  width: 150px;
  height: 150px;
  background: rgba(167,139,250,0.08);
  top: 40%;
  left: -60px;
  animation-delay: 4s;
}

@keyframes float-orb {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

/* Hero scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0.4;
  animation: scroll-bounce 2s ease-in-out infinite;
  z-index: 2;
}

.hero__scroll span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  font-weight: 600;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ----------------------------------------------------------
   ABOUT SECTION
   ---------------------------------------------------------- */
.about {
  background: var(--bg-secondary);
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border) 30%, var(--border) 70%, transparent 100%);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about__body {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.about__body p + p { margin-top: var(--space-md); }

.about__body strong { color: var(--text); font-weight: 600; }

.about__highlight {
  color: var(--accent-2);
  font-weight: 600;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.about__stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--dur-med) var(--ease);
}

.about__stat:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

.about__stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.about__stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* ----------------------------------------------------------
   FITTRACK SECTION
   ---------------------------------------------------------- */
.fittrack-section {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.fittrack-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.fittrack-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124,92,255,0.05) 0%, transparent 65%);
  pointer-events: none;
}

.fittrack__inner {
  position: relative;
  z-index: 1;
}

.fittrack__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.fittrack__title-block {}

.fittrack__logo-line {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.fittrack__icon {
  width: 52px;
  height: 52px;
  background: var(--grad-fittrack);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 8px 24px var(--fittrack-glow);
  flex-shrink: 0;
}

.fittrack__name {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  background: var(--grad-fittrack);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fittrack__desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.75;
}

.fittrack__badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

.fittrack__cta-wrap {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

/* Mockup / visual area */
.fittrack__mockup {
  background: var(--bg-card);
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-2xl);
  box-shadow: 0 0 60px rgba(0,212,170,0.06);
}

.fittrack__mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-fittrack);
}

.fittrack__mockup-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.fittrack__stat-card {
  background: rgba(0,212,170,0.06);
  border: 1px solid rgba(0,212,170,0.15);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--dur-med) var(--ease);
}

.fittrack__stat-card:hover {
  background: rgba(0,212,170,0.1);
  border-color: rgba(0,212,170,0.3);
  transform: translateY(-3px);
}

.fittrack__stat-icon {
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
  color: var(--fittrack);
}

.fittrack__stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--fittrack);
  line-height: 1;
}

.fittrack__stat-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* Feature cards */
.fittrack__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.fittrack__feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--dur-med) var(--ease);
  position: relative;
  overflow: hidden;
}

.fittrack__feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-fittrack);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-med) var(--ease);
}

.fittrack__feature:hover::before { transform: scaleX(1); }

.fittrack__feature:hover {
  border-color: rgba(0,212,170,0.3);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,212,170,0.1);
}

.fittrack__feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(0,212,170,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--fittrack);
  margin-bottom: var(--space-md);
}

.fittrack__feature h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.fittrack__feature p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ----------------------------------------------------------
   SKILLS SECTION
   ---------------------------------------------------------- */
.skills {
  background: var(--bg-secondary);
}

.skills__categories {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.skills__filter {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--dur-fast) ease;
}

.skills__filter:hover,
.skills__filter.active {
  background: rgba(124,92,255,0.12);
  border-color: rgba(124,92,255,0.4);
  color: var(--accent-2);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-md);
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  cursor: default;
  transition: all var(--dur-med) var(--ease-bounce);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity var(--dur-med) ease;
  pointer-events: none;
}

.skill-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-accent);
}
.skill-card:hover::before { opacity: 1; }

.skill-card__icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-sm);
  display: block;
  transition: transform var(--dur-med) var(--ease-bounce);
}
.skill-card:hover .skill-card__icon {
  transform: scale(1.15);
}

.skill-card__name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--dur-fast) ease;
}
.skill-card:hover .skill-card__name { color: var(--accent-2); }

.skill-card__tag {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 6px;
  background: rgba(124,92,255,0.15);
  color: var(--accent-2);
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity var(--dur-fast) ease;
}
.skill-card:hover .skill-card__tag { opacity: 1; }

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

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 10px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), rgba(124,92,255,0.1));
  border-radius: 2px;
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-2xl);
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__dot {
  position: absolute;
  left: -32px;
  top: 4px;
  width: 20px;
  height: 20px;
  background: var(--grad-accent);
  border-radius: 50%;
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent), 0 0 16px var(--accent-glow);
  z-index: 1;
  flex-shrink: 0;
  transition: all var(--dur-med) var(--ease-bounce);
}

.timeline__item:hover .timeline__dot {
  box-shadow: 0 0 0 3px var(--accent), 0 0 24px rgba(124,92,255,0.5);
  transform: scale(1.2);
}

.timeline__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--dur-med) var(--ease);
  position: relative;
  overflow: hidden;
}

.timeline__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--grad-accent);
  border-radius: 3px 0 0 3px;
  opacity: 0;
  transition: opacity var(--dur-med) ease;
}

.timeline__item:hover .timeline__card {
  border-color: var(--border-hover);
  transform: translateX(4px);
  box-shadow: var(--shadow-accent);
}
.timeline__item:hover .timeline__card::before { opacity: 1; }

.timeline__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.timeline__role {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.timeline__company {
  font-size: 0.9rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-top: 2px;
}

.timeline__period {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  font-weight: 500;
}

.timeline__desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.timeline__cert {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-2);
  text-decoration: none;
  padding: 6px 12px;
  background: rgba(124,92,255,0.08);
  border: 1px solid rgba(124,92,255,0.2);
  border-radius: var(--radius-sm);
  transition: all var(--dur-fast) ease;
}
.timeline__cert:hover {
  background: rgba(124,92,255,0.15);
  border-color: rgba(124,92,255,0.4);
  transform: translateY(-1px);
  color: var(--accent-2);
  text-decoration: none;
}

/* ----------------------------------------------------------
   PROJECTS SECTION
   ---------------------------------------------------------- */
.projects {
  background: var(--bg-secondary);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--dur-med) var(--ease);
  display: flex;
  flex-direction: column;
  position: relative;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-accent);
}

.project-card--featured {
  border-color: rgba(0,212,170,0.2);
  background: linear-gradient(135deg, rgba(0,212,170,0.04) 0%, var(--bg-card) 100%);
}
.project-card--featured:hover {
  border-color: rgba(0,212,170,0.4);
  box-shadow: var(--shadow-fittrack);
}

.project-card__thumb {
  height: 200px;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__thumb-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(124,92,255,0.06) 100%);
  transition: transform var(--dur-slow) var(--ease);
}
.project-card:hover .project-card__thumb-bg {
  transform: scale(1.05);
}

.project-card__thumb-icon {
  position: relative;
  z-index: 1;
  font-size: 3rem;
  opacity: 0.35;
  color: var(--accent);
  transition: all var(--dur-med) var(--ease-bounce);
}
.project-card:hover .project-card__thumb-icon {
  opacity: 0.6;
  transform: scale(1.1);
}

.project-card--featured .project-card__thumb {
  background: linear-gradient(135deg, rgba(0,212,170,0.08) 0%, rgba(8,145,178,0.06) 100%);
}
.project-card--featured .project-card__thumb-icon {
  color: var(--fittrack);
}

.project-card__featured-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 2;
}

.project-card__body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.project-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-lg);
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-lg);
}

.project-card__tech-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.project-card__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ----------------------------------------------------------
   EDUCATION SECTION
   ---------------------------------------------------------- */
.education {
  background: var(--bg);
}

.edu-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
  transition: all var(--dur-med) var(--ease);
  position: relative;
  overflow: hidden;
}

.edu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: var(--grad-accent);
  opacity: 0;
  transition: opacity var(--dur-med) ease;
}

.edu-card:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
  box-shadow: var(--shadow-accent);
}
.edu-card:hover::before { opacity: 1; }

.edu-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(124,92,255,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent-2);
  flex-shrink: 0;
  transition: all var(--dur-med) var(--ease-bounce);
  border: 1px solid rgba(124,92,255,0.2);
}
.edu-card:hover .edu-card__icon {
  transform: scale(1.1);
  background: rgba(124,92,255,0.15);
}

.edu-card__body { flex: 1; }

.edu-card__degree {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.edu-card__school {
  font-size: 0.95rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.edu-card__meta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.edu-card__year {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-weight: 500;
}

/* ----------------------------------------------------------
   CERTIFICATES SECTION
   ---------------------------------------------------------- */
.certificates {
  background: var(--bg-secondary);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--dur-med) var(--ease);
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  cursor: pointer;
}

.cert-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-accent);
  text-decoration: none;
}

.cert-card__top {
  height: 130px;
  background: linear-gradient(135deg, rgba(124,92,255,0.12) 0%, rgba(167,139,250,0.05) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: all var(--dur-med) ease;
}

.cert-card:hover .cert-card__top {
  background: linear-gradient(135deg, rgba(124,92,255,0.18) 0%, rgba(167,139,250,0.1) 100%);
}

.cert-card__top-icon {
  font-size: 2.8rem;
  color: var(--accent);
  opacity: 0.5;
  transition: all var(--dur-med) var(--ease-bounce);
}
.cert-card:hover .cert-card__top-icon {
  opacity: 0.8;
  transform: scale(1.12);
}

.cert-card__preview-btn {
  position: absolute;
  bottom: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: rgba(124,92,255,0.2);
  border: 1px solid rgba(124,92,255,0.3);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-2);
  opacity: 0;
  transform: translateY(4px);
  transition: all var(--dur-fast) ease;
}
.cert-card:hover .cert-card__preview-btn {
  opacity: 1;
  transform: translateY(0);
}

.cert-card__body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cert-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.cert-card__issuer {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.cert-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.contact::before {
  content: '';
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(124,92,255,0.1) 0%, transparent 65%);
  pointer-events: none;
}

.contact__inner {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.contact__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, #ffffff 0%, #c4b5fd 60%, #7c5cff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact__subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.contact__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.contact__social {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.contact__social-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-bounce);
}
.contact__social-link:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--accent-glow2);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
  text-decoration: none;
}

/* ----------------------------------------------------------
   FOOTER
   ---------------------------------------------------------- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding-block: var(--space-xl);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-faint);
}

.footer__copy span { color: var(--text-muted); }

.footer__links {
  display: flex;
  gap: var(--space-lg);
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--text-faint);
  text-decoration: none;
  transition: color var(--dur-fast) ease;
}
.footer__links a:hover { color: var(--text-muted); }

/* ----------------------------------------------------------
   PAGE LOADER
   ---------------------------------------------------------- */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.loader__name {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text);
  background: linear-gradient(135deg, #ffffff 0%, #c4b5fd 60%, #7c5cff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  user-select: none;
  animation: loader-name-pulse 1.2s ease-in-out infinite alternate;
}

@keyframes loader-name-pulse {
  from {
    opacity: 0.85;
    filter: drop-shadow(0 0 10px rgba(124, 92, 255, 0.2));
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    filter: drop-shadow(0 0 20px rgba(124, 92, 255, 0.5));
    transform: scale(1.02);
  }
}

.loader__bar {
  width: 140px;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-top: var(--space-xs);
}

.loader__bar-fill {
  height: 100%;
  background: var(--grad-accent);
  border-radius: 3px;
  animation: loader-fill 1s ease-out forwards;
}

@keyframes loader-fill {
  from { width: 0%; }
  to   { width: 100%; }
}

/* ----------------------------------------------------------
   CURSOR GLOW (subtle)
   ---------------------------------------------------------- */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,92,255,0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
}

/* ----------------------------------------------------------
   RESPONSIVE — TABLET
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__photo-wrap { order: -1; margin-bottom: var(--space-xl); }
  .hero__photo-ring { width: 240px; height: 240px; }
  .hero__eyebrow,
  .hero__cta,
  .hero__social { justify-content: center; }
  .hero__tagline { margin-inline: auto; }
  .hero__founder-badge { margin-inline: auto; }

  .about__grid { grid-template-columns: 1fr; gap: var(--space-2xl); }

  .fittrack__header { flex-direction: column; }

  .fittrack__mockup-inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 64px;
    --space-2xl: 48px;
  }

  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .hero { padding-top: 72px; }
  .hero__scroll { display: none; }

  .fittrack__mockup-inner { grid-template-columns: 1fr; }
  .fittrack__features { grid-template-columns: 1fr 1fr; }

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

  .edu-card { flex-direction: column; gap: var(--space-md); }

  .timeline { padding-left: 24px; }
  .timeline::before { left: 6px; }
  .timeline__dot { left: -24px; }

  .contact__actions { flex-direction: column; align-items: center; }

  .footer__inner { flex-direction: column; text-align: center; }
  .footer__links { justify-content: center; }
}

@media (max-width: 480px) {
  .hero__photo-ring { width: 200px; height: 200px; }
  .skills__grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: 1fr; }
  .fittrack__features { grid-template-columns: 1fr; }
  .about__stats { grid-template-columns: 1fr 1fr; }
}

/* ----------------------------------------------------------
   HERO TEXT ANIMATION
   ---------------------------------------------------------- */
.hero__content > * {
  opacity: 0;
  animation: hero-enter var(--dur-slow) var(--ease) forwards;
}
.hero__content > *:nth-child(1) { animation-delay: 0.2s; }
.hero__content > *:nth-child(2) { animation-delay: 0.35s; }
.hero__content > *:nth-child(3) { animation-delay: 0.5s; }
.hero__content > *:nth-child(4) { animation-delay: 0.6s; }
.hero__content > *:nth-child(5) { animation-delay: 0.7s; }
.hero__content > *:nth-child(6) { animation-delay: 0.8s; }
.hero__content > *:nth-child(7) { animation-delay: 0.9s; }
.hero__photo-wrap {
  opacity: 0;
  animation: hero-photo var(--dur-slow) var(--ease) 0.4s forwards;
}

@keyframes hero-enter {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes hero-photo {
  from { opacity: 0; transform: scale(0.9) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Floating animation for hero photo */
.hero__photo-ring-wrap {
  animation: float-photo 5s ease-in-out infinite;
}
@keyframes float-photo {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ============================================================
   PREMIUM PROFILE PHOTO CARD
   ============================================================ */

/* ----------------------------------------------------------
   Photo wrap — positioning context for all layers
   ---------------------------------------------------------- */
.hero__photo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__photo-ring-wrap {
  position: relative;
  width: 360px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;

  /* Entrance animation */
  opacity: 0;
  animation: photo-card-enter 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

@keyframes photo-card-enter {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.94);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

/* Continuous float */
.hero__photo-ring-wrap {
  animation:
    photo-card-enter 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards,
    photo-float 6s ease-in-out 1.4s infinite;
}

@keyframes photo-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

/* ----------------------------------------------------------
   Ambient glow blobs behind the card
   ---------------------------------------------------------- */
.photo-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(50px);
}

.photo-glow--accent {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.28) 0%, transparent 70%);
  top: -40px;
  left: 20px;
  animation: glow-pulse-accent 4s ease-in-out infinite;
}

.photo-glow--teal {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.2) 0%, transparent 70%);
  bottom: -20px;
  right: 10px;
  animation: glow-pulse-teal 5s ease-in-out 1.5s infinite;
}

@keyframes glow-pulse-accent {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.1); }
}
@keyframes glow-pulse-teal {
  0%, 100% { opacity: 0.5; transform: scale(1) translateY(0); }
  50%       { opacity: 0.9; transform: scale(1.08) translateY(-8px); }
}

/* ----------------------------------------------------------
   The glass card itself
   ---------------------------------------------------------- */
.photo-card {
  position: relative;
  z-index: 1;
  width: 300px;
  /* height adapts to photo aspect ratio */
}

/* Rotating gradient ring behind the glass */
.photo-card__ring {
  position: absolute;
  inset: -4px;
  border-radius: 24px;
  background: conic-gradient(
    from 0deg,
    var(--accent)   0deg,
    var(--fittrack) 90deg,
    transparent     180deg,
    var(--accent-2) 270deg,
    var(--accent)   360deg
  );
  animation: ring-spin 6s linear infinite;
  z-index: -1;
  opacity: 0.75;
  filter: blur(1px);
}

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

/* Frosted glass frame */
.photo-card__glass {
  position: relative;
  border-radius: 20px;
  background: rgba(13, 17, 23, 0.55);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(124, 92, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
  padding: 10px;
  transition: box-shadow 0.4s ease, transform 0.4s ease;
}

.photo-card:hover .photo-card__glass {
  box-shadow:
    0 32px 80px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(124, 92, 255, 0.35),
    0 0 60px rgba(124, 92, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* ----------------------------------------------------------
   Corner accent brackets
   ---------------------------------------------------------- */
.photo-card__corner {
  position: absolute;
  width: 18px;
  height: 18px;
  z-index: 2;
  pointer-events: none;
}

.photo-card__corner--tl {
  top: 10px; left: 10px;
  border-top: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
  border-radius: 4px 0 0 0;
}
.photo-card__corner--tr {
  top: 10px; right: 10px;
  border-top: 2px solid var(--fittrack);
  border-right: 2px solid var(--fittrack);
  border-radius: 0 4px 0 0;
}
.photo-card__corner--bl {
  bottom: 52px; left: 10px;
  border-bottom: 2px solid var(--fittrack);
  border-left: 2px solid var(--fittrack);
  border-radius: 0 0 0 4px;
}
.photo-card__corner--br {
  bottom: 52px; right: 10px;
  border-bottom: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  border-radius: 0 0 4px 0;
}

/* ----------------------------------------------------------
   Photo image
   ---------------------------------------------------------- */
.photo-card__img-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  line-height: 0;
}

.photo-card__img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  object-position: center top;
  display: block;
  border-radius: 12px;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.photo-card:hover .photo-card__img {
  transform: scale(1.03);
}

/* Subtle bottom gradient vignette — blends photo into card */
.photo-card__vignette {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, rgba(8, 11, 18, 0.65) 0%, transparent 100%);
  pointer-events: none;
  border-radius: 0 0 12px 12px;
}

/* ----------------------------------------------------------
   Info chip — floats at the bottom of the card
   ---------------------------------------------------------- */
.photo-card__chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  margin-top: 0;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
  justify-content: center;
}

.photo-card__chip-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse-green 2s ease-in-out infinite;
  box-shadow: 0 0 6px var(--green);
}

.photo-card__chip-sep {
  color: var(--text-faint);
}

/* ----------------------------------------------------------
   Decorative floating dots
   ---------------------------------------------------------- */
.photo-card__dot {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
}

.photo-card__dot--1 {
  width: 10px;
  height: 10px;
  background: var(--accent);
  top: -14px;
  right: 30px;
  opacity: 0.7;
  animation: dot-float 3.5s ease-in-out infinite;
  box-shadow: 0 0 10px var(--accent-glow);
}

.photo-card__dot--2 {
  width: 7px;
  height: 7px;
  background: var(--fittrack);
  bottom: 50px;
  left: -12px;
  opacity: 0.6;
  animation: dot-float 4.5s ease-in-out 1s infinite;
  box-shadow: 0 0 8px var(--fittrack-glow);
}

.photo-card__dot--3 {
  width: 5px;
  height: 5px;
  background: var(--accent-2);
  top: 40px;
  right: -10px;
  opacity: 0.5;
  animation: dot-float 5s ease-in-out 2s infinite;
}

@keyframes dot-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-8px) scale(1.15); }
}

/* ----------------------------------------------------------
   Responsive adjustments
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__photo-ring-wrap {
    width: 300px;
    height: 360px;
  }
  .photo-card {
    width: 250px;
  }
  .photo-card__img {
    height: 290px;
  }
  .photo-card__corner--bl,
  .photo-card__corner--br {
    bottom: 48px;
  }
}

@media (max-width: 768px) {
  .hero__photo-ring-wrap {
    width: 260px;
    height: 320px;
    margin-bottom: 0;
  }
  .photo-card {
    width: 220px;
  }
  .photo-card__img {
    height: 250px;
  }
  .photo-card__corner--bl,
  .photo-card__corner--br {
    bottom: 46px;
  }
  .photo-glow--accent { width: 200px; height: 200px; }
  .photo-glow--teal   { width: 150px; height: 150px; }

  /* Disable tilt on touch devices */
  .photo-card__glass {
    transition: box-shadow 0.3s ease;
  }
}

@media (max-width: 480px) {
  .hero__photo-ring-wrap {
    width: 220px;
    height: 280px;
  }
  .photo-card {
    width: 190px;
  }
  .photo-card__img {
    height: 210px;
  }
}

/* ----------------------------------------------------------
   Respect prefers-reduced-motion
   ---------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .photo-card__ring       { animation: none; }
  .photo-glow--accent,
  .photo-glow--teal       { animation: none; }
  .photo-card__dot--1,
  .photo-card__dot--2,
  .photo-card__dot--3     { animation: none; }
  .hero__photo-ring-wrap  { animation: none; opacity: 1; }
  .photo-card__chip-dot   { animation: none; }
  .photo-card__img        { transition: none; }
}

/* ============================================================
   HERO PHOTO & LAYOUT — REFINED BALANCED POSITIONING
   ============================================================ */

/* Old photo-wrap / ring-wrap / card rules — hidden, replaced */
.hero__photo-wrap,
.hero__photo-ring-wrap,
.photo-card,
.photo-card__ring,
.photo-card__glass,
.photo-card__corner,
.photo-card__img-wrap,
.photo-card__vignette,
.photo-card__chip,
.photo-card__dot,
.photo-glow,
.hero__passport-photo { display: none !important; }

/* ----------------------------------------------------------
   Hero Layout — Two-column on desktop (content left, photo right)
   ---------------------------------------------------------- */
.hero__layout {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(36px, 5vw, 64px);
  width: 100%;
  padding-block: var(--space-3xl);
}

/* Hero Content — main copy, CTAs, and links */
.hero__content {
  flex: 1 1 0%;
  max-width: 680px;
  min-width: 0;
}

/* ----------------------------------------------------------
   Hero Profile Photo Wrapper
   Positioned on the RIGHT side of hero content on desktop.
   Vertically centered approximately with the "Sameer Khan" heading.
   ---------------------------------------------------------- */
.hero__photo-wrapper {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Scaled full-body warrior size filling right-side hero area */
  width: clamp(270px, 26vw, 350px);
  max-width: 360px;
  margin-top: 0;
  align-self: center;
  opacity: 0;
  overflow: visible;
  animation: hero-photo-enter var(--dur-slow) var(--ease) 0.4s forwards;
}

@keyframes hero-photo-enter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----------------------------------------------------------
   Hero Full-Body Samurai Warrior Silhouette
   - Large, upright standing stance in powerful, calm poise
   - Traditional samurai armor with grounded Katana
   - Dark, elegant silhouette with cyan and violet rim lighting
   - Slow, cinematic floating & ambient glow breathing animation
   ---------------------------------------------------------- */
.hero__samurai-svg {
  width: 100%;
  height: auto;
  aspect-ratio: 340 / 600;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
  cursor: default;
  /* Slow, professional floating & ambient rim glow breathing */
  animation:
    samurai-warrior-float 7s ease-in-out infinite alternate,
    samurai-warrior-glow 5s ease-in-out infinite alternate;
  will-change: transform, filter;
  transition:
    transform var(--dur-med) var(--ease),
    filter var(--dur-med) var(--ease);
}

.hero__samurai-svg:hover {
  transform: translateY(-6px) scale(1.02);
  filter:
    drop-shadow(0 20px 44px rgba(0, 0, 0, 0.85))
    drop-shadow(0 0 28px rgba(124, 92, 255, 0.45))
    drop-shadow(0 0 45px rgba(0, 245, 212, 0.25));
}

@keyframes samurai-warrior-float {
  0% {
    transform: translateY(0px);
  }
  100% {
    transform: translateY(-6px);
  }
}

@keyframes samurai-warrior-glow {
  0% {
    filter:
      drop-shadow(0 14px 32px rgba(0, 0, 0, 0.75))
      drop-shadow(0 0 18px rgba(124, 92, 255, 0.22))
      drop-shadow(0 0 32px rgba(0, 245, 212, 0.1));
  }
  100% {
    filter:
      drop-shadow(0 18px 40px rgba(0, 0, 0, 0.85))
      drop-shadow(0 0 26px rgba(124, 92, 255, 0.35))
      drop-shadow(0 0 44px rgba(0, 245, 212, 0.2));
  }
}

/* ----------------------------------------------------------
   Tablet Viewport: Proportional reduction & clean stacking
   Warrior placed below hero content without colliding
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__layout {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-2xl);
    padding-block: var(--space-2xl);
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__photo-wrapper {
    width: clamp(240px, 35vw, 290px);
    align-self: center;
    margin-top: var(--space-lg);
  }
}

/* ----------------------------------------------------------
   Mobile Viewport: Compact proportional scaling
   ---------------------------------------------------------- */
@media (max-width: 768px) {
  .hero__layout {
    gap: var(--space-xl);
    padding-top: var(--space-xl);
    padding-bottom: var(--space-3xl);
  }

  .hero__photo-wrapper {
    width: clamp(210px, 55vw, 260px);
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .hero__layout {
    gap: var(--space-lg);
    padding-top: var(--space-lg);
    padding-bottom: var(--space-2xl);
  }

  .hero__photo-wrapper {
    width: 190px;
    margin-top: var(--space-xs);
    margin-bottom: var(--space-xs);
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .hero__photo-wrapper {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .hero__samurai-svg {
    animation: none;
    transform: none;
    filter:
      drop-shadow(0 14px 32px rgba(0, 0, 0, 0.75))
      drop-shadow(0 0 18px rgba(124, 92, 255, 0.22));
    transition: none;
  }
}