/* =====================================================================
   ROOT VARIABLES — Premium Design Tokens
===================================================================== */
:root {
  --bg: #F8FAFC;
  --bg-soft: #EEF2F9;
  --surface: #FFFFFF;
  --card: #FFFFFF;

  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --secondary: #60A5FA;
  --primary-tint: #E7EFFE;

  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-faint: #94A3B8;
  --border-color: rgba(30, 41, 59, 0.10);

  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius: 16px;
  --radius-sm: 11px;

  --shadow-sm: 0 4px 18px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 16px 40px rgba(15, 23, 42, 0.09);
  --shadow-lg: 0 28px 70px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 0 1px rgba(37, 99, 235, 0.10), 0 24px 60px rgba(37, 99, 235, 0.16);
  --glow-color: rgba(37, 99, 235, 0.35);

  --gradient-brand: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-text: linear-gradient(135deg, var(--text-main) 25%, var(--primary) 100%);
  --gradient-border: linear-gradient(135deg, rgba(37,99,235,.55), rgba(96,165,250,.15), rgba(37,99,235,.45));

  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.4s var(--ease);

  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.65);
  --glass-blur: 22px;

  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #070B14;
  --bg-soft: #0A0F1C;
  --surface: #111827;
  --card: rgba(255, 255, 255, 0.05);

  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --secondary: #60A5FA;
  --primary-tint: rgba(59, 130, 246, 0.14);

  --text-main: #EDF2FC;
  --text-muted: #93A2C2;
  --text-faint: #5B6B8C;
  --border-color: rgba(148, 178, 235, 0.14);

  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 18px 44px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 0 1px rgba(59, 130, 246, 0.20), 0 0 60px rgba(59, 130, 246, 0.35);
  --glow-color: rgba(59, 130, 246, 0.35);

  --gradient-border: linear-gradient(135deg, rgba(59,130,246,.65), rgba(59,130,246,0), rgba(96,165,250,.5));

  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(148, 178, 235, 0.14);

  color-scheme: dark;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 110px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.6s var(--ease), color 0.6s var(--ease);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--text-main); line-height: 1.15; letter-spacing: -0.02em; }

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

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

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 24px); }

.section { position: relative; padding: clamp(72px, 12vw, 168px) 0; }
.section-alt { background: var(--bg-soft); }

.section-head { text-align: center; max-width: 620px; margin: 0 auto clamp(40px, 8vw, 72px); padding: 0 4px; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-tint);
  border: 1px solid rgba(37, 99, 235, 0.14);
  padding: 8px 20px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.section-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-tint);
}

.section-title {
  font-size: clamp(2.1rem, 3.6vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-subtitle { color: var(--text-muted); font-size: 1.04rem; max-width: 480px; margin: 0 auto; }

/* =====================================================================
   BUTTONS
===================================================================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 34px;
  min-height: 50px;
  border-radius: 13px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  overflow: hidden;
  white-space: nowrap;
  will-change: transform;
}

.btn-primary {
  background: var(--gradient-brand);
  background-size: 180% 180%;
  color: #fff;
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.3), 0 0 0 1px rgba(255,255,255,0.06) inset;
}
.btn-primary:hover {
  background-position: 100% 0;
  transform: translateY(-3px);
  box-shadow: 0 20px 48px var(--glow-color);
}

.btn-outline {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  color: var(--text-main);
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.full-width { width: 100%; }

/* Ripple */
.ripple { position: relative; overflow: hidden; }
.ripple-span {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transform: scale(0);
  animation: ripple-anim 0.65s ease-out;
  pointer-events: none;
}
@keyframes ripple-anim { to { transform: scale(3.2); opacity: 0; } }

/* =====================================================================
   NAVBAR — Floating Premium Glass
===================================================================== */
.navbar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: min(92%, 1040px);
  z-index: 1000;
  border-radius: 20px;
  transition: all var(--transition);
  padding: 6px;
}

.nav-container {
  padding: 13px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 16px;
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.navbar.scrolled { top: 14px; }
.navbar.scrolled .nav-container {
  padding: 10px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--glass-border);
}
[data-theme="dark"] .navbar.scrolled .nav-container {
  box-shadow: var(--shadow-md), 0 0 30px rgba(59,130,246,.08);
}

.logo { font-family: var(--font-heading); font-size: 1.28rem; font-weight: 700; color: var(--text-main); letter-spacing: -0.02em; }
.logo .dot { color: var(--primary); }

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

.nav-link { position: relative; display: flex; align-items: center; gap: 10px; font-size: 0.89rem; font-weight: 500; color: var(--text-muted); padding: 9px 17px; border-radius: 999px; transition: color var(--transition), background var(--transition); }
.nav-link:hover { color: var(--primary); background: var(--primary-tint); }
.nav-link.active { color: var(--primary); background: var(--primary-tint); box-shadow: 0 0 0 1px rgba(37,99,235,.14); }
.nav-link-icon { display: none; font-size: 0.95rem; }

.nav-overlay,
.nav-mobile-head,
.nav-mobile-foot,
.nav-close { display: none; }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--glass-bg);
  color: var(--text-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--primary-tint); color: var(--primary); border-color: transparent; transform: rotate(20deg); box-shadow: 0 0 0 4px var(--primary-tint); }

.hamburger {
  display: none; flex-direction: column; gap: 5px; width: 24px;
  padding: 8px; margin: -8px;
}
.hamburger span { height: 2px; width: 100%; background: var(--text-main); border-radius: 2px; transition: all var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================================================================
   HERO — Aurora / Mesh / Spotlight
===================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: clamp(112px, 22vw, 150px);
  padding-bottom: clamp(40px, 8vw, 60px);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -4;
  background: linear-gradient(170deg, #FFFFFF 0%, #F8FAFC 45%, #EAF1FE 100%);
}
[data-theme="dark"] .hero-bg { background: linear-gradient(170deg, #070B14 0%, #0A0F1C 50%, #0D1526 100%); }

/* Animated mesh gradient */
.hero-aurora {
  position: absolute;
  inset: -15%;
  z-index: -3;
  pointer-events: none;
  filter: blur(10px);
  opacity: 0.9;
  background:
    radial-gradient(36% 30% at 16% 20%, rgba(37, 99, 235, 0.28), transparent 70%),
    radial-gradient(30% 28% at 84% 12%, rgba(96, 165, 250, 0.26), transparent 70%),
    radial-gradient(38% 32% at 72% 80%, rgba(29, 78, 216, 0.20), transparent 70%),
    radial-gradient(28% 26% at 10% 84%, rgba(96, 165, 250, 0.18), transparent 70%);
  background-repeat: no-repeat;
  animation: auroraDrift 18s ease-in-out infinite alternate;
}
[data-theme="dark"] .hero-aurora {
  opacity: 1;
  background:
    radial-gradient(36% 30% at 16% 20%, rgba(59, 130, 246, 0.35), transparent 70%),
    radial-gradient(30% 28% at 84% 12%, rgba(96, 165, 250, 0.28), transparent 70%),
    radial-gradient(38% 32% at 72% 80%, rgba(37, 99, 235, 0.28), transparent 70%),
    radial-gradient(28% 26% at 10% 84%, rgba(59, 130, 246, 0.18), transparent 70%);
}
@keyframes auroraDrift {
  0%   { transform: translate(0, 0) scale(1) rotate(0deg); }
  50%  { transform: translate(2.5%, -3%) scale(1.1) rotate(4deg); }
  100% { transform: translate(-2%, 2.5%) scale(1.04) rotate(-3deg); }
}

/* Floating blur-circle shapes */
.hero-shapes { position: absolute; inset: 0; z-index: -2; pointer-events: none; }
.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.55;
  animation: shapeFloat 9s ease-in-out infinite;
}
.hero-shape.s1 { width: 14px; height: 14px; top: 20%; left: 8%; background: var(--secondary); animation-delay: 0s; }
.hero-shape.s2 { width: 10px; height: 10px; top: 65%; left: 14%; background: var(--primary); animation-delay: 1.2s; }
.hero-shape.s3 { width: 18px; height: 18px; top: 30%; right: 10%; background: var(--primary); animation-delay: 2.1s; }
.hero-shape.s4 { width: 8px; height: 8px; top: 75%; right: 18%; background: var(--secondary); animation-delay: 3s; }
.hero-shape.s5 { width: 12px; height: 12px; top: 12%; right: 30%; background: var(--secondary); animation-delay: 1.6s; }
@keyframes shapeFloat {
  0%, 100% { transform: translate(0,0); }
  50% { transform: translate(10px, -22px); }
}

/* Fine noise texture, kept subtle */
.hero-noise {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.03;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 25%, #000 15%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 25%, #000 15%, transparent 75%);
}
[data-theme="dark"] .hero-grid-overlay {
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.09) 1px, transparent 1px);
}

/* Mouse spotlight */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(620px circle at var(--mx, 50%) var(--my, 30%), rgba(37, 99, 235, 0.12), transparent 62%);
}
[data-theme="dark"] .hero::before {
  background: radial-gradient(620px circle at var(--mx, 50%) var(--my, 30%), rgba(59, 130, 246, 0.20), transparent 62%);
}

.hero-container { display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: 52px; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(37, 99, 235, 0.16);
  padding: 8px 15px;
  border-radius: 999px;
}
.hero-badge i { font-size: 0.82rem; }

.hero-eyebrow { color: var(--primary); font-weight: 600; letter-spacing: 0.06em; margin-bottom: 12px; }

.hero-name { font-size: clamp(2.6rem, 5.4vw, 4rem); font-weight: 800; margin-bottom: 16px; }
.hero-name .word {
  display: inline-block;
  background: var(--gradient-text);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  opacity: 0;
  transform: translateY(22px);
  filter: blur(6px);
  animation: wordReveal 0.85s var(--ease-soft) forwards;
}

@keyframes wordReveal { to { opacity: 1; transform: translateY(0); filter: blur(0); } }

.hero-tagline { font-size: 1rem; font-weight: 600; color: var(--text-muted); margin-bottom: 22px; }

.hero-role { font-size: clamp(1.2rem, 2.4vw, 1.55rem); font-weight: 600; color: var(--primary); margin-bottom: 24px; min-height: 2.2rem; }
.cursor { animation: blink 0.8s infinite; color: var(--primary); }
@keyframes blink { 50% { opacity: 0; } }

.hero-desc { max-width: 500px; color: var(--text-muted); font-size: 1.04rem; margin-bottom: 38px; }

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-photo { position: relative; display: flex; align-items: center; justify-content: center; perspective: 1000px; }

.photo-ring {
  position: relative;
  width: min(360px, 82vw);
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 8px;
  background: conic-gradient(from var(--rot, 0deg), var(--primary), var(--secondary), var(--primary-dark), var(--secondary), var(--primary));
  box-shadow: var(--shadow-glow);
  animation: floaty 6s ease-in-out infinite, spinBorder 14s linear infinite;
  transition: transform 0.4s var(--ease-soft);
  transform-style: preserve-3d;
}
@keyframes spinBorder { to { --rot: 360deg; } }
@property --rot { syntax: '<angle>'; inherits: false; initial-value: 0deg; }

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

.photo-ring-inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--surface);
  padding: 6px;
  backdrop-filter: blur(6px);
}

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

.floating-badge {
  position: absolute;
  width: 58px; height: 58px;
  border-radius: 18px;
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
  animation: floaty 5s ease-in-out infinite;
}
.badge-1 { top: 4%; right: 6%; color: #3776AB; animation-delay: 0.2s; }
.badge-2 { bottom: 14%; left: -2%; color: #F7DF1E; animation-delay: 0.6s; }
.badge-3 { bottom: -3%; right: 22%; color: #A259FF; animation-delay: 1s; }

.scroll-down {
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--primary);
  font-size: 1.2rem;
  animation: bounce 2s infinite;
}
.scroll-down .scroll-label { display: block; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 6px; color: var(--text-muted); }
@keyframes bounce { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, -8px); } }

/* =====================================================================
   FADE / REVEAL ANIMATIONS
===================================================================== */
.fade-up { opacity: 0; transform: translateY(24px); animation: fadeUp 0.85s var(--ease-soft) forwards; animation-delay: var(--d, 0s); }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

.reveal { opacity: 0; transform: translateY(46px); transition: opacity 0.9s var(--ease-soft), transform 0.9s var(--ease-soft); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* =====================================================================
   GLASS CARD
===================================================================== */
.glass-card {
  position: relative;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 27px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.5s var(--ease-soft), box-shadow 0.5s var(--ease-soft), border-color var(--transition);
  isolation: isolate;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute; inset: 0;
  padding: 1.5px;
  border-radius: inherit;
  background: var(--gradient-border);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  z-index: -1;
}
.glass-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.glass-card:hover::before { opacity: 1; }

.card-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 13px;
  background: var(--primary-tint);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  transition: transform var(--transition);
}
.glass-card:hover .card-icon { transform: scale(1.12) rotate(-6deg); }

.glass-card h4 { font-size: 1.02rem; margin-bottom: 4px; }
.glass-card p { color: var(--text-muted); font-size: 0.92rem; }

/* =====================================================================
   ABOUT
===================================================================== */
.about-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; align-items: start; }

.about-photo { display: flex; flex-direction: column; align-items: center; gap: 36px; }
.about-photo-frame {
  position: relative;
  width: min(100%, 340px);
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  padding: 2px;
  background: var(--gradient-border);
  box-shadow: var(--shadow-lg);
  transition: transform 0.5s var(--ease-soft);
  transform-style: preserve-3d;
}
.about-photo-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-xl) - 2px);
  background: var(--surface);
}

.counters { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }
.counter-item {
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 17px 21px;
  min-width: 96px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.counter-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.counter { font-size: 2rem; font-weight: 800; background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.counter-item p { color: var(--text-muted); font-size: 0.8rem; margin-top: 2px; }

.about-desc p { color: var(--text-muted); margin-bottom: 18px; }
.about-desc p strong { color: var(--text-main); font-weight: 600; }
.about-cards { margin-top: 30px; display: flex; flex-direction: column; gap: 20px; }

/* =====================================================================
   SKILLS
===================================================================== */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 22px; }

.skill-card {
  position: relative;
  top: 0;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 20px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.5s var(--ease-soft), box-shadow 0.5s var(--ease-soft), border-color var(--transition), top 0.5s var(--ease-soft);
  isolation: isolate;
  overflow: hidden;
  animation: cardFloat 7s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * 0.15s);
}
@keyframes cardFloat { 0%, 100% { top: 0; } 50% { top: -6px; } }
.skill-card:hover { animation-play-state: paused; top: 0; }

.skill-card::before {
  content: '';
  position: absolute; inset: 0;
  padding: 1.5px;
  border-radius: inherit;
  background: var(--gradient-border);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.skill-card::after {
  content: '';
  position: absolute;
  inset: -30%;
  z-index: -1;
  background: radial-gradient(circle at 50% 0%, var(--glow-color), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.skill-card:hover { transform: translateY(-10px) scale(1.02); box-shadow: var(--shadow-lg); border-color: transparent; }
.skill-card:hover::before { opacity: 1; }
.skill-card:hover::after { opacity: 1; }
.skill-card:hover .skill-icon { transform: scale(1.15) rotate(-10deg); }

.skill-cat {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-tint);
  padding: 4px 11px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.skill-ring { position: relative; width: 116px; height: 116px; margin: 0 auto 16px; }
.ring-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: var(--border-color); stroke-width: 8; }
.ring-fill {
  fill: none;
  stroke: url(#ringGradient);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 327;
  stroke-dashoffset: 327;
  filter: drop-shadow(0 0 6px var(--glow-color));
  transition: stroke-dashoffset 1.5s var(--ease-soft);
}
.skill-icon {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.9rem;
  transition: transform var(--transition);
}
.skill-percent { display: block; font-size: 0.82rem; font-weight: 700; color: var(--primary); margin-top: 3px; }
.skill-card h4 { font-size: 0.98rem; margin-top: 3px; }

/* =====================================================================
   CONTACT
===================================================================== */
.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 44px; align-items: start; }

.contact-form {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(var(--glass-blur));
  isolation: isolate;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.contact-form::before {
  content: '';
  position: absolute; inset: 0;
  padding: 1.5px;
  border-radius: inherit;
  background: var(--gradient-border);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  pointer-events: none;
}
.contact-form:focus-within { box-shadow: var(--shadow-glow); }

.form-group { position: relative; margin-bottom: 26px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 19px 16px 11px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-color);
  background: var(--bg-soft);
  color: var(--text-main);
  font-size: 0.96rem;
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group textarea { padding-top: 23px; }

.form-group label {
  position: absolute;
  left: 16px;
  top: 18px;
  font-size: 0.94rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.25s var(--ease-soft);
  background: transparent;
}

.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-tint), 0 0 24px var(--glow-color); }

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: 7px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
}

.form-group.invalid input,
.form-group.invalid textarea { border-color: #EF4444; animation: shake 0.4s; }
.form-group .field-error {
  display: block;
  min-height: 1.1em;
  font-size: 0.76rem;
  color: #EF4444;
  margin-top: 6px;
  opacity: 0;
  transform: translateY(-4px);
  transition: all 0.25s var(--ease);
}
.form-group.invalid .field-error { opacity: 1; transform: translateY(0); }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.btn-submit { position: relative; }
.btn-submit .btn-label,
.btn-submit .btn-spinner,
.btn-submit .btn-success { display: inline-flex; align-items: center; gap: 10px; transition: opacity 0.25s var(--ease); }
.btn-submit .btn-spinner,
.btn-submit .btn-success { position: absolute; inset: 0; align-items: center; justify-content: center; opacity: 0; pointer-events: none; }
.btn-submit.is-loading .btn-label { opacity: 0; }
.btn-submit.is-loading .btn-spinner { opacity: 1; }
.btn-submit.is-success .btn-label,
.btn-submit.is-success .btn-spinner { opacity: 0; }
.btn-submit.is-success .btn-success { opacity: 1; }
.btn-submit.is-success { background: linear-gradient(135deg, #16A34A, #22C55E); }

.spinner-ring {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-status { margin-top: 16px; font-size: 0.88rem; color: var(--primary); min-height: 1.2em; }

.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-item { cursor: pointer; }

/* =====================================================================
   FOOTER — Premium Glass
===================================================================== */
.footer {
  position: relative;
  background: var(--bg-soft);
  border-top: 1px solid var(--border-color);
  padding: 56px 0 36px;
  overflow: hidden;
  backdrop-filter: blur(20px);
}
.footer::before {
  content: '';
  position: absolute;
  top: -70%; left: 50%;
  transform: translateX(-50%);
  width: 60%; height: 220px;
  background: radial-gradient(closest-side, var(--glow-color), transparent);
  opacity: 0.5;
  pointer-events: none;
}

.footer-container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; margin-bottom: 28px; }
.footer-brand { display: flex; flex-direction: column; gap: 4px; }
.footer-tagline { color: var(--text-muted); font-size: 0.82rem; }

.footer-social { display: flex; gap: 14px; }
.footer-social a {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-main);
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--gradient-brand);
  color: #fff;
  transform: translateY(-5px);
  border-color: transparent;
  box-shadow: 0 14px 32px var(--glow-color);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
}
.footer-copy { color: var(--text-muted); font-size: 0.85rem; }
.footer-copy .heart { color: var(--primary); }

/* =====================================================================
   BACK TO TOP
===================================================================== */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-glow);
  opacity: 0; visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition: all var(--transition);
  z-index: 900;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.back-to-top:hover { transform: translateY(-5px) scale(1.08); }

/* =====================================================================
   LOADING SCREEN
===================================================================== */
.loader {
  position: fixed; inset: 0; z-index: 3000;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px;
  background: var(--bg);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader-ring {
  position: relative;
  width: 78px; height: 78px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.loader-ring::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 3px solid var(--primary-tint);
  border-top-color: var(--primary);
  animation: spin 0.9s linear infinite;
}
.loader-mark {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--primary);
}
.loader-bar { width: 140px; height: 3px; border-radius: 999px; background: var(--border-color); overflow: hidden; }
.loader-bar span { display: block; height: 100%; width: 40%; border-radius: 999px; background: var(--gradient-brand); animation: loaderSlide 1.1s ease-in-out infinite; }
@keyframes loaderSlide { 0% { transform: translateX(-120%); } 100% { transform: translateX(340%); } }
.loader-hidden { opacity: 0; visibility: hidden; pointer-events: none; }

/* =====================================================================
   SCROLL PROGRESS
===================================================================== */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 3px; width: 0%;
  background: var(--gradient-brand);
  z-index: 1200;
  transition: width 0.12s linear;
}

/* =====================================================================
   CUSTOM CURSOR
===================================================================== */
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 2000;
  border-radius: 50%;
  transform: translate(-100px, -100px);
  display: none;
}
.has-custom-cursor .cursor-dot,
.has-custom-cursor .cursor-ring { display: block; }
.has-custom-cursor { cursor: none; }
.has-custom-cursor a, .has-custom-cursor button { cursor: none; }

.cursor-dot { width: 6px; height: 6px; margin: -3px 0 0 -3px; background: var(--primary); }
.cursor-ring {
  width: 34px; height: 34px; margin: -17px 0 0 -17px;
  border: 1.5px solid var(--primary);
  opacity: 0.6;
  transition: width 0.25s var(--ease), height 0.25s var(--ease), margin 0.25s var(--ease), opacity 0.25s var(--ease), background 0.25s var(--ease);
}
.cursor-ring.cursor-hover { width: 56px; height: 56px; margin: -28px 0 0 -28px; background: var(--primary-tint); opacity: 0.5; }

@media (max-width: 992px) {
  .cursor-dot, .cursor-ring { display: none !important; }
  .has-custom-cursor { cursor: auto; }
}

/* =====================================================================
   ACCESSIBILITY
===================================================================== */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =====================================================================
   RESPONSIVE
===================================================================== */

/* ---- Large tablets / small laptops ---- */
@media (max-width: 1100px) {
  .hero-container { gap: 36px; }
  .about-grid { gap: 44px; }
  .contact-grid { gap: 32px; }
}

/* ---- Tablets ---- */
@media (max-width: 992px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 20px; }
  .hero-text { order: 2; }
  .hero-photo { order: 1; margin-bottom: 28px; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-buttons, .hero-badges { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; text-align: center; gap: 48px; }
  .about-photo { order: 1; }
  .about-desc { order: 2; }
  .about-cards { text-align: left; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { order: 2; }
  .contact-form { order: 1; }
}

/* ---- Small tablets / large phones (landscape) ---- */
@media (max-width: 768px) {
  .navbar { top: 10px; width: 94%; }

  .navbar.menu-open .nav-container {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    border-color: transparent;
    transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  }
  .navbar.menu-open .nav-container > .logo,
  .navbar.menu-open .theme-toggle { opacity: 0; pointer-events: none; transition: opacity 0.25s ease; }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(3, 7, 18, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--ease-soft), visibility 0.4s var(--ease-soft);
  }
  .nav-overlay.active { opacity: 1; visibility: visible; }

  .nav-links {
    position: fixed; top: 0; right: -100%;
    height: 100vh; height: 100dvh; width: min(82%, 340px);
    background: var(--surface);
    background-image:
      radial-gradient(60% 40% at 100% 0%, var(--primary-tint), transparent 60%),
      radial-gradient(50% 35% at 0% 100%, var(--primary-tint), transparent 60%);
    flex-direction: column; justify-content: flex-start; align-items: stretch; gap: 4px;
    box-shadow: -20px 0 60px rgba(0,0,0,0.25);
    border-left: 1px solid var(--glass-border);
    transition: right 0.5s var(--ease-soft);
    z-index: 1060;
    border-radius: 0;
    overflow-y: auto;
    padding: 0 0 32px;
  }
  .nav-links.active { right: 0; }

  .nav-mobile-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 22px 22px 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 14px;
  }
  .nav-mobile-head .logo { font-size: 1.1rem; }

  .nav-close {
    width: 38px; height: 38px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 0.95rem;
    transition: all var(--transition);
  }
  .nav-close:hover { background: var(--primary-tint); color: var(--primary); transform: rotate(90deg); }

  .nav-links > li:not(.nav-mobile-head):not(.nav-mobile-foot) { padding: 0 16px; }

  .nav-link {
    font-size: 1rem;
    padding: 14px 18px;
    width: 100%;
    justify-content: flex-start;
    border-radius: 14px;
    gap: 14px;
    opacity: 0;
    transform: translateX(24px);
  }
  .nav-links.active .nav-link {
    animation: navLinkIn 0.5s var(--ease-soft) forwards;
    animation-delay: calc(0.08s + var(--nav-i, 0) * 0.06s);
  }
  @keyframes navLinkIn { to { opacity: 1; transform: translateX(0); } }

  .nav-link-icon {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px;
    border-radius: 10px;
    background: var(--primary-tint);
    color: var(--primary);
    font-size: 0.92rem;
    flex-shrink: 0;
    transition: all var(--transition);
  }
  .nav-link.active .nav-link-icon,
  .nav-link:hover .nav-link-icon { background: var(--gradient-brand); color: #fff; transform: scale(1.06); }

  .nav-link.active {
    background: var(--primary-tint);
    box-shadow: 0 0 0 1px rgba(37,99,235,.18), inset 3px 0 0 var(--primary);
  }

  .nav-mobile-foot {
    margin-top: 20px;
    padding: 20px 22px 4px;
    border-top: 1px solid var(--border-color);
  }
  .nav-mobile-foot-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 14px;
  }
  .nav-mobile-social { display: flex; gap: 10px; }
  .nav-mobile-social a {
    width: 40px; height: 40px;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-main);
    transition: all var(--transition);
  }
  .nav-mobile-social a:hover { background: var(--gradient-brand); color: #fff; transform: translateY(-3px); border-color: transparent; }

  .hamburger { display: flex; }

  .hero-name { font-size: clamp(2.1rem, 8vw, 2.8rem); }
  .hero-role { min-height: 1.8rem; }
  .hero-desc { font-size: 0.98rem; }
  .hero-buttons { width: 100%; }

  .about-cards { text-align: left; }
  .about-grid { gap: 40px; }
  .counters { gap: 14px; }

  .skills-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  .contact-form { padding: 32px 26px; }

  .footer-container { gap: 24px; }
}

/* ---- Phones ---- */
@media (max-width: 600px) {
  html { scroll-padding-top: 88px; }
  .section-tag { font-size: 0.7rem; padding: 7px 16px; }
  .section-subtitle { font-size: 0.96rem; }

  .hero-badges { gap: 8px; }
  .hero-badge { font-size: 0.72rem; padding: 7px 12px; }
  .hero-eyebrow { font-size: 0.92rem; }
  .hero-tagline { font-size: 0.92rem; }

  .photo-ring { width: min(280px, 74vw); }
  .floating-badge { width: 48px; height: 48px; font-size: 1.2rem; border-radius: 14px; }

  .about-photo-frame { max-width: 280px; }
  .counter { font-size: 1.7rem; }
  .counter-item { min-width: 84px; padding: 14px 16px; }

  .glass-card { padding: 22px; gap: 14px; }
  .card-icon { width: 42px; height: 42px; font-size: 1.05rem; }

  .contact-grid { gap: 24px; }
  .contact-form { padding: 26px 20px; }
  .form-group { margin-bottom: 20px; }

  .footer-container { flex-direction: column; text-align: center; }
  .footer-social { gap: 10px; }
}

/* ---- Small phones ---- */
@media (max-width: 480px) {
  .logo { font-size: 1.12rem; }
  .nav-container { padding: 10px 14px; }

  .skills-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .skill-card { padding: 22px 10px 18px; }
  .skill-ring { width: 84px; height: 84px; }
  .skill-cat { font-size: 0.6rem; padding: 3px 9px; margin-bottom: 14px; }
  .skill-card h4 { font-size: 0.9rem; }

  .counters { gap: 10px; }
  .counter-item { min-width: 76px; padding: 12px 14px; }

  .contact-form { padding: 22px 16px; }
  .btn { padding: 14px 24px; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn { width: 100%; }

  .back-to-top { bottom: 20px; right: 20px; width: 46px; height: 46px; }
}

/* ---- Very small phones ---- */
@media (max-width: 360px) {
  .container { padding: 0 14px; }
  .hero-name { font-size: 2rem; }
  .skills-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .skill-ring { width: 76px; height: 76px; }
  .floating-badge { width: 42px; height: 42px; font-size: 1.05rem; }
}

/* ---- Short-height / landscape phones ---- */
@media (max-height: 560px) and (orientation: landscape) {
  .hero { min-height: auto; padding-top: 120px; padding-bottom: 40px; }
  .photo-ring { width: min(220px, 40vh); }
}