/* ==========================================================================
   CodesByHarish v2026 — Premium Design System
   Full-Stack PHP Developer & Backend Engineer Portfolio
   ========================================================================== */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ========================= DESIGN TOKENS ========================= */
:root {
  /* Colors */
  --col-bg: #04060f;
  --col-surface: #080d1c;
  --col-surface-2: #0d1530;
  --col-card: rgba(10, 15, 35, 0.6);
  --col-card-hover: rgba(18, 28, 60, 0.8);
  --col-border: rgba(255, 255, 255, 0.07);
  --col-border-glow: rgba(99, 102, 241, 0.4);

  /* Brand */
  --brand-primary: #6366f1;      /* Indigo */
  --brand-primary-dim: rgba(99, 102, 241, 0.15);
  --brand-primary-glow: rgba(99, 102, 241, 0.3);
  --brand-accent: #22d3ee;       /* Cyan */
  --brand-accent-dim: rgba(34, 211, 238, 0.12);
  --brand-accent-glow: rgba(34, 211, 238, 0.25);
  --brand-warm: #f59e0b;         /* Amber - for highlights */
  --brand-success: #10b981;      /* Green - availability */
  --brand-danger: #ef4444;

  /* Text */
  --text-primary: #f0f4ff;
  --text-secondary: #8892a4;
  --text-muted: #4b5563;

  /* Effects */
  --glass-blur: blur(20px);
  --glass-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  --glass-border: 1px solid rgba(255, 255, 255, 0.07);

  /* Spacing */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2.5rem;
  --sp-xl: 4rem;
  --sp-xxl: 7rem;

  /* Typography */
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
  --t-fast: 0.18s var(--ease-out);
  --t-normal: 0.35s var(--ease-out);
  --t-slow: 0.6s var(--ease-out);

  /* Layout */
  --container-max: 1200px;
  --header-h: 70px;
}

/* Light Theme */
[data-theme="light"] {
  --col-bg: #f8fafc;
  --col-surface: #ffffff;
  --col-surface-2: #f1f5f9;
  --col-card: rgba(255,255,255,0.8);
  --col-card-hover: rgba(255,255,255,0.98);
  --col-border: rgba(0,0,0,0.08);
  --col-border-glow: rgba(99,102,241,0.3);
  --brand-primary: #4f46e5;
  --brand-primary-dim: rgba(79,70,229,0.1);
  --brand-accent: #0891b2;
  --brand-accent-dim: rgba(8,145,178,0.1);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --glass-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

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

html {
  font-size: 16px;
  scroll-behavior: auto; /* Lenis handles smooth scroll */
  -webkit-font-smoothing: antialiased;
}

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

body.lenis-smooth { overflow: hidden; }

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

/* Selection */
::selection {
  background: var(--brand-primary);
  color: #fff;
}

/* Focus outline */
:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 3px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--col-bg); }
::-webkit-scrollbar-thumb { background: var(--brand-primary); border-radius: 10px; }

/* ========================= LAYOUT ========================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--sp-md);
}

.main-content {
  padding-top: var(--header-h);
}

.section {
  padding: var(--sp-xxl) 0;
}

.section-sm {
  padding: var(--sp-xl) 0;
}

/* ========================= CUSTOM CURSOR ========================= */
.cursor {
  width: 10px;
  height: 10px;
  background: var(--brand-primary);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99999;
  transition: transform 0.1s, width 0.2s, height 0.2s, background 0.2s;
  box-shadow: 0 0 10px var(--brand-primary-glow);
}

.cursor-follower {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--brand-primary);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99998;
  transition: border-color 0.2s;
  opacity: 0.6;
}

.cursor.active {
  width: 16px;
  height: 16px;
  background: var(--brand-accent);
  box-shadow: 0 0 20px var(--brand-accent-glow);
}

.cursor-follower.active {
  border-color: var(--brand-accent);
  transform: scale(1.4) !important;
  opacity: 0.4;
}

@media (hover: none) {
  .cursor, .cursor-follower { display: none; }
}

/* ========================= HEADER / NAV ========================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 var(--sp-md);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--t-normal), backdrop-filter var(--t-normal), border-color var(--t-normal);
}

.header.scrolled {
  background: rgba(4, 6, 15, 0.85);
  backdrop-filter: var(--glass-blur);
  border-bottom: var(--glass-border);
}

[data-theme="light"] .header.scrolled {
  background: rgba(248, 250, 252, 0.85);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

.logo .logo-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--brand-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--brand-primary);
  flex-shrink: 0;
}

.logo .logo-accent {
  color: var(--brand-primary);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: color var(--t-fast), background var(--t-fast);
  position: relative;
}

.nav-link i {
  font-size: 0.85rem;
  color: var(--brand-primary);
  opacity: 0.85;
  transition: color var(--t-fast), opacity var(--t-fast);
}

.nav-link:hover i,
.nav-link.active i {
  opacity: 1;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--brand-primary-dim);
}

.nav-link.active {
  color: var(--brand-primary);
}

/* Nav Controls */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  border: var(--glass-border);
  background: var(--col-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
  cursor: pointer;
}

.nav-btn:hover {
  color: var(--brand-primary);
  border-color: var(--brand-primary-dim);
  background: var(--brand-primary-dim);
}

/* Language dropdown */
.language-dropdown {
  position: relative;
}

.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--col-surface);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  min-width: 140px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--t-fast);
  box-shadow: var(--glass-shadow);
  z-index: 999;
}

.lang-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--t-fast), background var(--t-fast);
}

.lang-option:hover {
  color: var(--text-primary);
  background: var(--brand-primary-dim);
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: var(--glass-border);
  background: var(--col-card);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* ========================= TYPOGRAPHY ========================= */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--brand-primary);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

.highlight {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================= BUTTONS ========================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--t-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--t-fast);
}

.btn:hover::before { opacity: 1; }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--brand-primary);
  color: #fff;
  box-shadow: 0 0 30px var(--brand-primary-glow);
}

.btn-primary:hover {
  box-shadow: 0 0 50px var(--brand-primary-glow), 0 4px 20px rgba(99,102,241,0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--col-border);
}

.btn-outline:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: var(--brand-primary-dim);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--col-card);
  color: var(--text-secondary);
  border: var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--col-card-hover);
  transform: translateY(-2px);
}

/* Magnetic btn wrapper */
.btn-magnetic {
  display: inline-block;
}

/* ========================= CARDS ========================= */
.card-glass {
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
}

.card-glass:hover {
  border-color: var(--col-border-glow);
  box-shadow: var(--glass-shadow), 0 0 40px var(--brand-primary-glow);
}

/* 3D Tilt card */
.card-tilt {
  transform-style: preserve-3d;
  transform: perspective(1000px) rotateX(0) rotateY(0);
  transition: box-shadow var(--t-normal);
}

/* Glow card shimmer */
.card-glow {
  position: relative;
  overflow: hidden;
}

.card-glow::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--brand-primary-dim) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity var(--t-fast);
  z-index: 0;
}

.card-glow:hover::before { opacity: 1; }
.card-glow > * { position: relative; z-index: 1; }

/* ========================= BADGES / CHIPS ========================= */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--brand-primary-dim);
  color: var(--brand-primary);
  border: 1px solid var(--brand-primary-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.chip-accent {
  background: var(--brand-accent-dim);
  color: var(--brand-accent);
  border-color: var(--brand-accent-dim);
}

.chip-warm {
  background: rgba(245,158,11,0.12);
  color: var(--brand-warm);
  border-color: rgba(245,158,11,0.2);
}

/* ========================= STATUS BADGE ========================= */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-success);
}

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

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.6); }
  50% { box-shadow: 0 0 0 5px rgba(16,185,129,0); }
}

/* ========================= DIVIDERS ========================= */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--col-border), transparent);
  margin: var(--sp-xl) 0;
}

/* ========================= INTRO OVERLAY & DOOR LOADER ========================= */
.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  pointer-events: all;
  transition: visibility 0.8s var(--ease-in-out);
}

/* Sliding door panels */
.intro-door {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background: #04060f; /* Match high-fidelity base dark background */
  z-index: 1;
  transition: transform 0.8s cubic-bezier(0.85, 0, 0.15, 1);
  will-change: transform;
}

.intro-door-left {
  left: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.03);
}

.intro-door-right {
  right: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.03);
}

/* Glowing center seam line */
.intro-door-line {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--brand-primary) 30%, var(--brand-accent) 70%, transparent);
  box-shadow: 0 0 14px var(--brand-primary);
  z-index: 2;
  transition: opacity 0.4s ease;
  will-change: opacity;
}

/* Terminal container centered on top */
.terminal-container {
  width: min(640px, 90vw);
  background: var(--col-surface);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--glass-shadow), 0 0 60px rgba(99, 102, 241, 0.18);
  position: relative;
  z-index: 3;
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

/* Open transitions */
.intro-overlay.loaded {
  pointer-events: none;
  visibility: hidden;
}

.intro-overlay.loaded .intro-door-left {
  transform: translateX(-100%);
}

.intro-overlay.loaded .intro-door-right {
  transform: translateX(100%);
}

.intro-overlay.loaded .intro-door-line {
  opacity: 0;
}

.intro-overlay.loaded .terminal-container {
  opacity: 0;
  transform: scale(0.96);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: var(--glass-border);
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-controls {
  display: flex;
  gap: 6px;
}

.terminal-controls span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-controls .t-red { background: #ef4444; }
.terminal-controls .t-yellow { background: #f59e0b; }
.terminal-controls .t-green { background: #10b981; }

.terminal-body {
  padding: 1.25rem 1.5rem;
  min-height: 220px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.terminal-line {
  display: flex;
  gap: 0.75rem;
}

.t-prompt {
  color: var(--brand-primary);
  flex-shrink: 0;
}

.t-ok { color: var(--brand-success); }
.t-warn { color: var(--brand-warm); }
.t-accent { color: var(--brand-accent); }
.t-error { color: var(--brand-danger); }
.t-info { color: #8892a4; }

.sandbox-console {
  background: #03050d !important;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  height: 240px;
  overflow-y: auto;
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.8), 0 0 15px rgba(99, 102, 241, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  scroll-behavior: smooth;
  margin-top: 1rem;
}

.t-cursor {
  display: inline-block;
  width: 9px;
  height: 1em;
  background: var(--brand-primary);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ========================= HERO (INDEX) ========================= */
#three-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-section .container {
  position: relative;
  z-index: 2;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: calc(100vh - var(--header-h));
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.hero-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--brand-primary);
}

.hero-name {
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 0.75rem;
}

.hero-role-wrap {
  height: 2.8rem;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.hero-role {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-role .role-text {
  color: var(--brand-primary);
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.stat-block {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--text-primary), var(--brand-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Visual */

/* Hero Visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

/* ===== HERO FRAME — "person emerges from circle" effect ===== */
.hero-frame-wrap {
  position: relative;
  /* Sizing tokens used for perfect mathematical alignment of layers */
  --frame-w: 300px;
  --frame-h: 400px;
  --circle-size: 256px;
  --circle-bottom: 12px;
  --photo-w: 260px;
  --photo-h: 390px;
  --photo-bottom-offset: -12px; /* calc(-1 * var(--circle-bottom)) to offset inner photo */

  width: var(--frame-w);
  height: var(--frame-h);
  display: flex;
  justify-content: center;
  align-items: flex-end;  /* anchor to bottom */
  animation: frame-float 5s ease-in-out infinite;
  will-change: transform;
  cursor: default;
}

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

/* Outer soft ambient glow behind circle */
.hero-frame-glow {
  position: absolute;
  bottom: calc(var(--circle-bottom) - 22px);
  left: 50%;
  transform: translateX(-50%);
  width: calc(var(--circle-size) + 64px);
  height: calc(var(--circle-size) + 64px);
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.28) 0%,
    rgba(34, 211, 238, 0.10) 45%,
    transparent 70%
  );
  z-index: 0;
  animation: glow-breathe 4s ease-in-out infinite;
}

@keyframes glow-breathe {
  0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
  50%       { opacity: 1;   transform: translateX(-50%) scale(1.12); }
}

/* Slowest outer decorative ring — spins around the circle */
.hero-frame-ring-outer {
  position: absolute;
  bottom: calc(var(--circle-bottom) - 14px);
  left: 50%;
  transform: translateX(-50%);
  width: calc(var(--circle-size) + 28px);
  height: calc(var(--circle-size) + 28px);
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    var(--brand-primary)     0%,
    var(--brand-accent)      35%,
    transparent              60%,
    var(--brand-primary)     100%
  );
  animation: ring-spin-cw 5s linear infinite;
  z-index: 1;
}

/* Inner counter-spinning ring */
.hero-frame-ring-inner {
  position: absolute;
  bottom: calc(var(--circle-bottom) - 4px);
  left: 50%;
  transform: translateX(-50%);
  width: calc(var(--circle-size) + 14px);
  height: calc(var(--circle-size) + 14px);
  border-radius: 50%;
  background: conic-gradient(
    from 120deg,
    rgba(34, 211, 238, 0.55) 0%,
    transparent              55%,
    rgba(99, 102, 241, 0.4)  80%,
    rgba(34, 211, 238, 0.55) 100%
  );
  animation: ring-spin-ccw 8s linear infinite;
  z-index: 1;
}

@keyframes ring-spin-cw  { to { transform: translateX(-50%) rotate(360deg);  } }
@keyframes ring-spin-ccw { to { transform: translateX(-50%) rotate(-360deg); } }

/* The solid circle disc — the "frame" / pedestal */
.hero-frame-circle {
  position: absolute;
  bottom: var(--circle-bottom);
  left: 50%;
  transform: translateX(-50%);
  width: var(--circle-size);
  height: var(--circle-size);
  border-radius: 50%;
  background: linear-gradient(
    145deg,
    var(--brand-primary)         0%,
    rgba(99, 102, 241, 0.75)    50%,
    rgba(34, 211, 238, 0.55)   100%
  );
  box-shadow:
    0 0  30px rgba(99, 102, 241, 0.35),
    0 0  60px rgba(99, 102, 241, 0.15),
    inset 0 2px 20px rgba(255,255,255,0.12);
  z-index: 2;
  overflow: hidden; /* CRITICAL: Clips the lower photo layer to a perfect circle */
}

/* Subtle inner highlight arc on the circle */
.hero-frame-circle::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 20px;
  right: 20px;
  height: 50%;
  border-radius: 50%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.14) 0%, transparent 100%);
  pointer-events: none;
  z-index: 5; /* Sit on top of the clipped image */
}

/* Common style for both photo layers (clipped and unclipped) */
.hero-photo {
  position: absolute;
  width: var(--photo-w);
  height: var(--photo-h);
  object-fit: cover;
  object-position: top center;
  pointer-events: none;
}

/* 1. CLIPPED PHOTO: Placed inside the circle. Overflow is hidden, so its bottom edge
   is perfectly curved to match the circle's lower boundary. */
.hero-photo-clipped {
  bottom: var(--photo-bottom-offset); /* Perfectly offsets the circle position to align with unclipped photo */
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

/* 2. UNCLIPPED PHOTO: Placed outside/on-top. Bottom portion is clipped off,
   exposing the circle underneath, while the head/shoulders emerge unclipped! */
.hero-photo-unclipped {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4; /* above the circle frame and rings */
  clip-path: inset(0 0 35% 0); /* crop bottom 35% to hide flat bottom edge and merge with circle */
  filter:
    drop-shadow(0 -6px 20px rgba(99, 102, 241, 0.35))
    drop-shadow(0 12px 30px rgba(0, 0, 0, 0.45));
}

/* Floating tech pills */
.floating-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.floating-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  backdrop-filter: var(--glass-blur);
  animation: float-up var(--float-dur, 3s) ease-in-out infinite alternate;
}

.floating-pill img {
  width: 18px;
  height: 18px;
}

@keyframes float-up {
  from { transform: translateY(0); }
  to   { transform: translateY(-8px); }
}


/* ========================= TECH ORBIT ========================= */
.orbit-section {
  padding: var(--sp-xl) 0;
  overflow: hidden;
  position: relative;
}

.orbit-section::before,
.orbit-section::after {
  content: '';
  position: absolute;
  top: 0;
  width: 120px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.orbit-section::before {
  left: 0;
  background: linear-gradient(90deg, var(--col-bg), transparent);
}

.orbit-section::after {
  right: 0;
  background: linear-gradient(-90deg, var(--col-bg), transparent);
}

.orbit-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: orbit-scroll 30s linear infinite;
}

.orbit-track:hover { animation-play-state: paused; }

.orbit-track-reverse {
  animation-direction: reverse;
}

@keyframes orbit-scroll {
  to { transform: translateX(-50%); }
}

.orbit-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.2rem;
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-full);
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  backdrop-filter: var(--glass-blur);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.orbit-item:hover {
  color: var(--text-primary);
  border-color: var(--col-border-glow);
}

.orbit-item img {
  width: 20px;
  height: 20px;
}

/* ========================= SERVICES SECTION ========================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-item {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--col-card);
  border: var(--glass-border);
  backdrop-filter: var(--glass-blur);
  transition: all var(--t-normal);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.service-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-normal);
}

.service-item:hover {
  border-color: var(--col-border-glow);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 30px var(--brand-primary-glow);
}

.service-item:hover::after { transform: scaleX(1); }

.service-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--brand-primary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--brand-primary);
  margin-bottom: 1.25rem;
  transition: background var(--t-fast);
}

.service-item:hover .service-icon-wrap {
  background: var(--brand-primary);
  color: white;
}

.service-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ========================= PROJECT CARDS ========================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--t-normal);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  backdrop-filter: var(--glass-blur);
}

.project-card:hover {
  border-color: var(--col-border-glow);
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.4), 0 0 40px var(--brand-primary-glow);
}

.project-img-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--col-surface-2);
}

.project-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.project-card:hover .project-img-wrap img {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(4,6,15,0.9));
}

.project-category-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
}

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.project-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.project-footer {
  display: flex;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--col-border);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--t-fast);
}

.project-link:hover { color: var(--brand-primary); }

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--col-card);
  border: var(--glass-border);
  transition: all var(--t-fast);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--brand-primary);
  background: var(--brand-primary-dim);
  border-color: var(--brand-primary-dim);
}

/* ========================= MODAL ========================= */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 15, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5000;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--t-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--col-surface);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  width: min(680px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.94) translateY(20px);
  transition: transform var(--t-normal);
  box-shadow: 0 40px 80px rgba(0,0,0,0.6);
}

.modal.active .modal-box {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--col-card);
  border: var(--glass-border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--t-fast);
  z-index: 1;
}

.modal-close:hover {
  background: var(--brand-danger);
  color: white;
  border-color: transparent;
}

.modal-content-inner {
  padding: 2rem;
}

.modal-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  border: var(--glass-border);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.modal-desc {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.modal-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--col-card);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  border: var(--glass-border);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.meta-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.meta-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-features {
  margin-bottom: 1.5rem;
}

.modal-features h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.feature-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-primary);
  margin-top: 0.45rem;
  flex-shrink: 0;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--col-border);
  margin-top: 0.5rem;
}

/* ========================= ABOUT PAGE ========================= */
.about-hero {
  padding: calc(var(--header-h) + 4rem) 0 4rem;
  text-align: center;
  position: relative;
}

.about-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  background: linear-gradient(135deg, var(--col-surface-2), var(--brand-primary-dim));
  border: 3px solid var(--brand-primary);
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 30px var(--brand-primary-glow);
  overflow: hidden;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1.5px;
  background: linear-gradient(to bottom, var(--brand-primary), var(--brand-accent), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
  padding-left: 1.5rem;
  opacity: 0;
  transform: translate3d(-30px, 0, 0);
  transition: opacity 0.7s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: opacity, transform;
}

.timeline-item.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Hide mobile system status on desktop viewport */
.mobile-menu-status {
  display: none;
}

/* ========================= POP-CONSTRUCT REVEALS ========================= */
.pop-construct {
  opacity: 0;
  transform: scale3d(0.9, 0.9, 1) translate3d(0, 30px, 0);
  transition: opacity 0.75s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.75s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: opacity, transform;
}

.pop-construct.visible {
  opacity: 1;
  transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
}

/* Parent container Denoting staggered pop-construct entries */
.pop-group {
  /* Parent context */
}
.pop-group .pop-construct:nth-child(1) { transition-delay: 0.05s; }
.pop-group .pop-construct:nth-child(2) { transition-delay: 0.1s; }
.pop-group .pop-construct:nth-child(3) { transition-delay: 0.15s; }
.pop-group .pop-construct:nth-child(4) { transition-delay: 0.2s; }
.pop-group .pop-construct:nth-child(5) { transition-delay: 0.25s; }
.pop-group .pop-construct:nth-child(6) { transition-delay: 0.3s; }

.timeline-dot {
  position: absolute;
  left: -2.35rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand-primary);
  border: 2px solid var(--col-bg);
  box-shadow: 0 0 12px var(--brand-primary-glow);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brand-accent);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.timeline-role {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.88rem;
  color: var(--brand-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.timeline-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.timeline-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.timeline-bullets li::before {
  content: '→';
  color: var(--brand-primary);
  flex-shrink: 0;
  font-size: 0.75rem;
  margin-top: 0.15rem;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.skill-group {
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: var(--glass-blur);
}

.skill-group-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-primary);
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  background: var(--col-surface-2);
  border: var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--t-fast);
}

.skill-tag:hover {
  color: var(--text-primary);
  border-color: var(--col-border-glow);
}

.skill-tag img {
  width: 16px;
  height: 16px;
}

/* Education */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.edu-card {
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: var(--glass-blur);
  transition: all var(--t-normal);
}

.edu-card:hover {
  border-color: var(--col-border-glow);
  transform: translateY(-3px);
}

.edu-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.edu-degree {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.edu-uni {
  font-size: 0.88rem;
  color: var(--brand-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.edu-period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.edu-grade {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-warm);
}

/* ========================= SERVICES PAGE ========================= */
.services-page-hero {
  padding: calc(var(--header-h) + 4rem) 0 4rem;
  text-align: center;
  position: relative;
}

.services-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: var(--glass-blur);
  transition: all var(--t-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--brand-primary-dim), transparent);
  opacity: 0;
  transition: opacity var(--t-normal);
}

.service-card:hover {
  border-color: var(--col-border-glow);
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.4);
}

.service-card:hover::before { opacity: 1; }

.service-card-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--brand-primary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--brand-primary);
  margin-bottom: 1.5rem;
  position: relative;
  transition: all var(--t-normal);
}

.service-card:hover .service-card-icon {
  background: var(--brand-primary);
  color: white;
  box-shadow: 0 0 20px var(--brand-primary-glow);
}

.service-card-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  position: relative;
}

.service-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  position: relative;
  margin-bottom: 1.5rem;
}

.service-price {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brand-accent);
  font-weight: 600;
  position: relative;
  margin-bottom: 1rem;
}

.service-card .btn {
  width: 100%;
  justify-content: center;
  position: relative;
}

/* Process Steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 2rem;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--col-border-glow), transparent);
}

.process-step {
  text-align: center;
  padding: 1.5rem 1rem;
}

.process-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-primary-dim);
  border: 1.5px solid var(--col-border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin: 0 auto 1rem;
}

.process-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.process-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ========================= CONTACT PAGE ========================= */
.contact-page-hero {
  padding: calc(var(--header-h) + 4rem) 0 4rem;
  text-align: center;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  transition: all var(--t-fast);
  backdrop-filter: var(--glass-blur);
}

.contact-detail:hover {
  border-color: var(--col-border-glow);
  transform: translateX(4px);
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--brand-primary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-detail-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.contact-detail-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Contact Form */
.contact-form-box {
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  backdrop-filter: var(--glass-blur);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  position: relative;
  margin-bottom: 1rem;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  background: var(--col-surface-2);
  border: 1.5px solid var(--col-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-primary-dim);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-group .form-icon {
  position: absolute;
  left: 0.9rem;
  top: 2.4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  pointer-events: none;
  transition: color var(--t-fast);
}

.form-group:focus-within .form-icon {
  color: var(--brand-primary);
}

.form-select {
  appearance: none;
  cursor: pointer;
  padding-right: 2.5rem;
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
  padding-left: 1rem;
}

/* Alert */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.alert-success {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  color: #10b981;
}

.alert-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.25);
  color: #ef4444;
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-fast);
}

.faq-item:hover { border-color: var(--col-border-glow); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  gap: 1rem;
  cursor: pointer;
}

.faq-q i {
  color: var(--brand-primary);
  transition: transform var(--t-fast);
  flex-shrink: 0;
}

.faq-item.open .faq-q i {
  transform: rotate(180deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease-in-out), padding 0.35s;
}

.faq-item.open .faq-a {
  max-height: 300px;
  padding-bottom: 1.1rem;
}

.faq-a p {
  padding: 0 1.25rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========================= CERTIFICATIONS MARQUEE ========================= */
.certs-section {
  padding: var(--sp-xl) 0;
  overflow: hidden;
  position: relative;
}

.cert-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: orbit-scroll 25s linear infinite;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  background: var(--col-card);
  border: var(--glass-border);
  border-radius: var(--radius-full);
  white-space: nowrap;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  backdrop-filter: var(--glass-blur);
}

.cert-issuer {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* ========================= FOOTER ========================= */
.footer {
  background: var(--col-surface);
  border-top: var(--glass-border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 0.75rem;
  max-width: 260px;
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--t-fast);
}

.footer-links a:hover { color: var(--brand-primary); }

.footer-socials {
  display: flex;
  gap: 0.6rem;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--col-card);
  border: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all var(--t-fast);
}

.social-btn:hover {
  color: var(--brand-primary);
  background: var(--brand-primary-dim);
  border-color: var(--col-border-glow);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  font-size: 0.82rem;
  transition: color var(--t-fast);
}

.footer-bottom a:hover { color: var(--brand-primary); }

/* ========================= SCROLL ANIMATIONS ========================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delay utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ========================= MISC ========================= */
.mono { font-family: var(--font-mono); }

.text-gradient {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header .section-desc {
  margin-top: 0.75rem;
}

/* ========================= RESPONSIVE ========================= */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { order: -1; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }
  .skills-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root {
    --sp-xxl: 4rem;
    --sp-xl: 3rem;
  }

  .nav-menu {
    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 80vw);
    height: 100vh;
    background: rgba(8, 13, 28, 0.7);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
    flex-direction: column;
    padding: calc(var(--header-h) + 2rem) 1.5rem 2rem;
    gap: 0.75rem;
    transform: translate3d(100%, 0, 0);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
    z-index: 998;
  }

  .nav-menu.active {
    transform: translate3d(0, 0, 0);
  }

  .nav-menu li {
    opacity: 0;
    transform: translate3d(24px, 0, 0);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
  }

  .nav-menu.active li {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition-delay: calc(var(--i) * 0.06s);
  }

  .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.05rem;
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: background var(--t-fast), color var(--t-fast);
  }

  .nav-link i {
    width: 20px;
    font-size: 1.1rem;
    color: var(--brand-primary);
  }

  .mobile-menu-status {
    display: flex;
    flex-direction: column;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-success);
  }

  .status-dot-pulse {
    width: 8px;
    height: 8px;
    background-color: var(--brand-success);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    animation: statusPulse 2s infinite;
  }

  @keyframes statusPulse {
    0% {
      transform: scale(0.95);
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
      transform: scale(1);
      box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
    100% {
      transform: scale(0.95);
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
  }

  .status-details {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    font-family: var(--font-mono);
  }

  .mobile-toggle { display: flex; }

  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .form-row { grid-template-columns: 1fr; }
  .modal-meta { grid-template-columns: 1fr; }
  .modal-box { border-radius: var(--radius-lg); }
}

@media (max-width: 480px) {
  .hero-name { font-size: 2.4rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-frame-wrap {
    --frame-w: 240px;
    --frame-h: 320px;
    --circle-size: 200px;
    --circle-bottom: 10px;
    --photo-w: 204px;
    --photo-h: 306px;
    --photo-bottom-offset: -10px;
  }
}