/* =====================================================
   CSS VARIABLES - DARK & LIGHT (Nettex Orange Theme)
===================================================== */
:root {
  --bg: #0a0603;
  --surface: #120e08;
  --surface2: #1a1208;
  --accent: #FF6B00;
  --accent2: #E55D00;
  --gold: #FFB347;
  --text: #f0ece6;
  --muted: #8a7a68;
  --border: rgba(255,107,0,0.12);
  --grad: linear-gradient(135deg, #FF6B00 0%, #FF8533 100%);
  --grad2: linear-gradient(135deg, #FF6B00 0%, #E55D00 60%, #c44a00 100%);
  --shadow: 0 20px 60px rgba(0,0,0,0.5);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --card-bg: var(--surface);
  --header-bg: rgba(10,6,3,0.95);
  --input-bg: rgba(255,255,255,0.03);
  --input-border: rgba(255,107,0,0.15);
}
[data-theme="light"] {
  --bg: #FFF8F0;
  --surface: #ffffff;
  --surface2: #fff0e0;
  --text: #1A1A2E;
  --muted: #7a6a58;
  --border: rgba(255,107,0,0.15);
  --card-bg: #ffffff;
  --header-bg: rgba(255,248,240,0.97);
  --input-bg: rgba(255,107,0,0.03);
  --input-border: rgba(255,107,0,0.2);
  --shadow: 0 20px 60px rgba(0,0,0,0.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.4s, color 0.4s;
}
img { max-width: 100%; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 10px; }

/* =====================================================
   HEADER
===================================================== */
#header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; padding: 16px 0;
  transition: all 0.4s ease;
}
#header.scrolled {
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 30px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo-wrap {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
}
.logo-img {
  width: 44px; height: 44px; border-radius: 12px;
  object-fit: cover; border: 2px solid var(--accent);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.15);
  flex-shrink: 0; transition: transform 0.3s;
  background: var(--surface2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800;
  font-size: 1.1rem; color: var(--accent); letter-spacing: -1px;
  overflow: hidden;
}
.logo-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.logo-img:hover { transform: scale(1.06); }
.logo-name {
  font-family: var(--font-display); font-weight: 800; font-size: 1.1rem;
  color: var(--text); line-height: 1.1;
}
.logo-name span { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 10px; }
#themeToggle {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s; flex-shrink: 0;
}
#themeToggle:hover { border-color: var(--accent); color: var(--accent); }
nav#nav { display: flex; align-items: center; }
nav#nav ul { list-style: none; display: flex; gap: 28px; align-items: center; }
nav#nav ul li a {
  font-family: var(--font-body); font-size: 0.87rem; font-weight: 500;
  color: var(--muted); text-decoration: none; letter-spacing: 0.04em;
  transition: color 0.3s; position: relative;
}
nav#nav ul li a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--grad);
  transform: scaleX(0); transition: transform 0.3s ease;
}
nav#nav ul li a:hover, nav#nav ul li a.active { color: var(--text); }
nav#nav ul li a:hover::after, nav#nav ul li a.active::after { transform: scaleX(1); }
.nav-cta {
  background: var(--grad) !important; color: #fff !important;
  padding: 8px 18px !important; border-radius: 50px !important; font-weight: 600 !important;
}
.nav-cta::after { display: none !important; }
.mobile-toggle {
  display: none; background: none; border: none;
  color: var(--text); font-size: 1.4rem; cursor: pointer; flex-shrink: 0;
}
.nav-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; display: none; }
.nav-overlay.show { display: block; }
.nav-close {
  position: absolute; top: 18px; right: 18px;
  background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer;
  display: none;
}

@media (max-width: 900px) {
  .mobile-toggle { display: flex; align-items: center; justify-content: center; }
  nav#nav {
    position: fixed; top: 0; right: -100%; width: 78vw; max-width: 320px; height: 100vh;
    background: var(--surface); flex-direction: column; justify-content: center;
    transition: right 0.4s cubic-bezier(.4,0,.2,1); z-index: 1001;
    box-shadow: -20px 0 60px rgba(0,0,0,0.4);
    border-left: 1px solid var(--border);
    padding: 60px 30px 40px;
    overflow-y: auto;
  }
  nav#nav.open { right: 0; }
  nav#nav ul { flex-direction: column; gap: 24px; align-items: flex-start; width: 100%; }
  nav#nav ul li { width: 100%; }
  nav#nav ul li a { font-size: 1.1rem; display: block; }
  nav#nav.open .nav-close { display: flex; align-items: center; justify-content: center; }
}
@media (min-width: 901px) {
  .nav-close { display: none !important; }
}

/* =====================================================
   BUTTONS
===================================================== */
.btn-primary-grad {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grad); color: #fff; padding: 11px 24px;
  border-radius: 50px; font-weight: 600; font-size: 0.88rem;
  text-decoration: none; transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 6px 24px rgba(255,107,0,0.35); white-space: nowrap;
  border: none; cursor: pointer; font-family: var(--font-body);
}
.btn-primary-grad:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(255,107,0,0.5); color: #fff; }
.btn-outline-grad {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 1.5px solid rgba(255,107,0,0.4);
  color: var(--text); padding: 11px 24px; border-radius: 50px;
  font-weight: 600; font-size: 0.88rem; text-decoration: none;
  transition: all 0.3s; white-space: nowrap; cursor: pointer; font-family: var(--font-body);
}
.btn-outline-grad:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* =====================================================
   HERO
===================================================== */
#hero {
  min-height: 88vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 70px;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 70% 50%, rgba(255,107,0,0.13) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 20% 80%, rgba(229,93,0,0.08) 0%, transparent 50%);
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 30px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px;
  align-items: center; position: relative; z-index: 2; width: 100%;
}
.hero-text { animation: fadeUp 0.8s ease both; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,107,0,0.08); border: 1px solid rgba(255,107,0,0.25);
  color: var(--accent); font-size: 0.76rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; padding: 6px 16px;
  border-radius: 50px; margin-bottom: 22px;
}
.hero-badge span { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
.hero-greeting { font-size: 0.95rem; color: var(--muted); margin-bottom: 6px; }
.hero-name {
  font-family: var(--font-display); font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 800; line-height: 1.05; letter-spacing: -1.5px; margin-bottom: 16px;
}
.hero-name .highlight { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-typed-line { font-size: 1rem; color: var(--muted); margin-bottom: 10px; min-height: 1.7em; }
.typed-text { color: var(--accent); font-weight: 600; }
.typed-cursor { color: var(--accent); animation: blink 1s step-end infinite; }
.hero-desc { color: var(--muted); font-size: 0.92rem; max-width: 440px; margin-bottom: 26px; line-height: 1.8; }
.hero-stats { display: flex; gap: 28px; margin-bottom: 28px; flex-wrap: wrap; }
.stat-item { text-align: left; }
.stat-num-row { display: flex; align-items: baseline; gap: 1px; }
.stat-num {
  font-family: var(--font-display); font-size: 1.6rem; font-weight: 800;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-plus {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 800;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 0.74rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero image */
.hero-image-wrap {
  display: flex; justify-content: center; align-items: center;
  position: relative; animation: fadeIn 1s ease 0.3s both;
}
.orbit-ring {
  position: absolute; border-radius: 50%;
  border: 1.5px solid rgba(255,107,0,0.2);
}
.orbit-ring:nth-child(1) { width: 480px; height: 480px; animation: spin 12s linear infinite; }
.orbit-ring:nth-child(2) { width: 640px; height: 640px; animation: spin 22s linear infinite reverse; border-color: rgba(229,93,0,0.15); }
.orbit-ring:nth-child(1)::before, .orbit-ring:nth-child(2)::before {
  content: ''; position: absolute; width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); top: -6px; left: 50%; transform: translateX(-50%);
  box-shadow: 0 0 12px var(--accent);
}
.orbit-ring:nth-child(2)::before { background: var(--gold); box-shadow: 0 0 12px var(--gold); }
.profile-img-outer {
  position: relative; z-index: 2;
  width: 420px; height: 420px;
}
.profile-img-outer::before {
  content: ''; position: absolute; inset: -6px; border-radius: 50%;
  background: var(--grad); z-index: -1;
}
.profile-img-outer::after {
  content: ''; position: absolute; inset: -32px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,0,0.28) 0%, transparent 70%);
  z-index: -2; animation: glowPulse 3s ease-in-out infinite;
}
.profile-img-outer .shimmer {
  position: absolute; inset: 0; border-radius: 50%; overflow: hidden;
  z-index: 3; pointer-events: none;
}
.profile-img-outer .shimmer::after {
  content: '';
  position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.18) 50%, transparent 100%);
  animation: shimmerSweep 3s ease-in-out infinite;
}
.profile-img {
  width: 420px; height: 420px; border-radius: 50%;
  object-fit: cover; object-position: top center;
  border: 6px solid var(--bg); display: block;
}
.profile-img-placeholder {
  width: 420px; height: 420px; border-radius: 50%;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface2) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 6px solid var(--bg); gap: 10px;
}
.profile-img-placeholder i { font-size: 4rem; color: var(--muted); }
.float-tag {
  position: absolute; background: var(--surface); border: 1px solid var(--border);
  border-radius: 50px; padding: 8px 16px; font-size: 0.85rem; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  backdrop-filter: blur(10px); white-space: nowrap;
  animation: float 4s ease-in-out infinite; z-index: 4;
}
.float-tag i { color: var(--accent); }
.float-tag:first-of-type { top: 20px; left: -60px; animation-delay: 0s; }
.float-tag:last-of-type { bottom: 30px; right: -60px; animation-delay: 1.5s; }

/* Mobile hero */
[data-theme="dark"] #hero .hero-image-wrap { position: static; }
@media (max-width: 900px) {
  #hero { min-height: auto; padding: 90px 0 50px; }
  [data-theme="dark"] #hero .hero-image-wrap {
    position: absolute; inset: 0; z-index: 0;
    opacity: 1; pointer-events: none;
    justify-content: center; align-items: center; display: flex;
  }
  [data-theme="dark"] #hero .hero-image-wrap .profile-img {
    filter: blur(10px) brightness(0.28) saturate(1.2);
  }
  [data-theme="dark"] #hero::after {
    content: ''; position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(135deg, rgba(10,6,3,0.72) 0%, rgba(26,18,8,0.68) 100%);
    pointer-events: none;
  }
  [data-theme="light"] #hero { background: #0a0603; }
  [data-theme="light"] #hero .hero-image-wrap {
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    display: flex; justify-content: center; align-items: center; opacity: 1;
  }
  [data-theme="light"] #hero .hero-image-wrap .profile-img {
    filter: blur(14px) brightness(0.12) saturate(1.3);
  }
  [data-theme="light"] #hero::after {
    content: ''; position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(135deg, rgba(10,6,3,0.88) 0%, rgba(26,18,8,0.84) 100%);
    pointer-events: none;
  }
  [data-theme="light"] #hero .hero-text,
  [data-theme="light"] #hero .hero-greeting,
  [data-theme="light"] #hero .hero-desc,
  [data-theme="light"] #hero .stat-label,
  [data-theme="light"] #hero .hero-typed-line { color: rgba(230,225,215,0.9); }
  .hero-image-wrap .orbit-ring { display: none; }
  .hero-image-wrap .float-tag { display: none; }
  .hero-image-wrap .profile-img-outer::before,
  .hero-image-wrap .profile-img-outer::after { display: none; }
  .hero-image-wrap .profile-img {
    width: 100vw; max-width: 100%; height: 100%;
    border: none; border-radius: 0; object-fit: cover;
  }
  .hero-image-wrap .profile-img-outer { width: 100%; height: 100%; border-radius: 0; }
  .hero-text {
    position: relative; z-index: 2; text-align: center; padding: 0 16px;
  }
  .hero-inner { grid-template-columns: 1fr; gap: 0; position: relative; }
  .hero-badge { margin: 0 auto 16px; }
  .hero-desc { margin: 0 auto 20px; font-size: 0.87rem; }
  .hero-stats { justify-content: center; gap: 20px; margin-bottom: 22px; }
  .hero-name { font-size: clamp(1.7rem, 7vw, 2.4rem); margin-bottom: 12px; }
  .hero-buttons { justify-content: center; flex-wrap: nowrap; gap: 10px; }
  .hero-buttons .btn-primary-grad,
  .hero-buttons .btn-outline-grad { font-size: 0.78rem; padding: 9px 16px; white-space: nowrap; }
}

@media (max-width: 380px) {
  .hero-buttons { flex-wrap: wrap; }
  .hero-buttons .btn-primary-grad,
  .hero-buttons .btn-outline-grad { flex: 1 1 auto; justify-content: center; }
  .hero-stats { gap: 14px; }
}

/* Light mode desktop hero */
[data-theme="light"] #hero {
  background: #0a0603;
}
[data-theme="light"] #hero .hero-bg {
  background: radial-gradient(ellipse 80% 80% at 70% 50%, rgba(255,107,0,0.2) 0%, transparent 60%),
              radial-gradient(ellipse 60% 60% at 20% 80%, rgba(229,93,0,0.1) 0%, transparent 50%);
}
[data-theme="light"] #hero .hero-text,
[data-theme="light"] #hero .hero-greeting,
[data-theme="light"] #hero .hero-desc,
[data-theme="light"] #hero .stat-label,
[data-theme="light"] #hero .hero-typed-line { color: rgba(230,225,215,0.9); }
[data-theme="light"] #hero .hero-badge {
  background: rgba(255,107,0,0.12); border-color: rgba(255,107,0,0.35); color: #FF6B00;
}
[data-theme="light"] #hero .float-tag {
  background: rgba(26,18,8,0.85); border-color: rgba(255,107,0,0.25); color: #f0ece6;
}

/* =====================================================
   SECTION COMMONS
===================================================== */
section { padding: 90px 0; }
.container { max-width: 1400px; margin: 0 auto; padding: 0 30px; }
.section-tag {
  font-size: 0.73rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(1.8rem, 3.5vw, 2.7rem);
  font-weight: 800; letter-spacing: -1.2px; line-height: 1.1; margin-bottom: 14px;
}
.section-subtitle { color: var(--muted); font-size: 0.92rem; max-width: 500px; }
.section-header { margin-bottom: 50px; }
.accent-underline { position: relative; display: inline-block; }
.accent-underline::after {
  content: ''; position: absolute; bottom: -5px; left: 0; right: 0;
  height: 3px; background: var(--grad); border-radius: 2px;
}

@media (max-width: 600px) {
  section { padding: 60px 0; }
  .container { padding: 0 20px; }
  .section-header { margin-bottom: 32px; }
}

/* Reveal animations */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-50px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(50px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-zoom { opacity: 0; transform: scale(0.85); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-zoom.visible { opacity: 1; transform: scale(1); }
.reveal-drop { opacity: 0; transform: translateY(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-drop.visible { opacity: 1; transform: translateY(0); }
.reveal-bounce { opacity: 0; transform: scale(0.8); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(.34,1.56,.64,1); }
.reveal-bounce.visible { opacity: 1; transform: scale(1); }

/* =====================================================
   ABOUT
===================================================== */
#about { background: var(--surface); }
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 70px; align-items: center; }
.about-img-wrap { position: relative; }
.about-img {
  width: 100%; border-radius: 50%; object-fit: cover; object-position: top center;
  aspect-ratio: 1/1; max-width: 360px; display: block; margin: 0 auto;
  filter: grayscale(15%); transition: filter 0.4s;
  box-shadow: 0 0 0 5px var(--accent), 0 20px 60px rgba(255,107,0,0.3);
  position: relative; z-index: 1;
}
.about-img-wrap .img-shimmer-wrap {
  position: relative; max-width: 360px; margin: 0 auto; border-radius: 50%; overflow: hidden;
}
.about-img-wrap .img-shimmer-wrap::after {
  content: ''; position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
  animation: shimmerSweep 3.5s ease-in-out infinite; border-radius: 50%; pointer-events: none;
}
.about-img:hover { filter: grayscale(0%); }
.about-exp-badge {
  position: absolute; bottom: 0; right: 0;
  background: var(--grad); color: #fff; border-radius: 16px;
  padding: 14px 20px; text-align: center; box-shadow: 0 16px 36px rgba(255,107,0,0.4);
  z-index: 2; display: flex; align-items: center; gap: 10px; white-space: nowrap;
}
.about-exp-badge .num-row { display: flex; align-items: baseline; gap: 1px; }
.about-exp-badge .num { font-family: var(--font-display); font-size: 2rem; font-weight: 800; line-height: 1; }
.about-exp-badge .label { font-size: 0.7rem; opacity: 0.9; text-transform: uppercase; letter-spacing: 0.08em; line-height: 1.3; }
.about-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 22px 0; }
.info-item { padding: 12px 16px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
[data-theme="light"] .info-item { background: rgba(255,107,0,0.03); }
.info-label { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 3px; }
.info-value { font-size: 0.88rem; font-weight: 500; color: var(--text); word-break: break-word; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 13px; border-radius: 50px; font-size: 0.78rem; font-weight: 500;
  background: rgba(255,107,0,0.06); border: 1px solid rgba(255,107,0,0.15);
  color: var(--text); transition: all 0.3s; cursor: default;
}
.skill-tag:hover { background: rgba(255,107,0,0.13); border-color: var(--accent); color: var(--accent); }
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img { max-width: 260px; }
  .about-img-wrap .img-shimmer-wrap { max-width: 260px; }
}
@media (max-width: 480px) {
  .about-info-grid { grid-template-columns: 1fr; }
  .about-exp-badge { padding: 10px 16px; }
  .about-exp-badge .num { font-size: 1.5rem; }
}

/* =====================================================
   SERVICES
===================================================== */
#services { background: var(--bg); position: relative; overflow: hidden; }
#services::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 80% 30%, rgba(255,107,0,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; }
.service-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 32px 26px;
  position: relative; overflow: hidden;
  transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--grad);
  transform: scaleX(0); transition: transform 0.4s; border-radius: 3px 3px 0 0;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(255,107,0,0.3); box-shadow: var(--shadow); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 52px; height: 52px; background: rgba(255,107,0,0.1); border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: var(--accent); margin-bottom: 18px; transition: background 0.3s;
}
.service-card:hover .service-icon { background: rgba(255,107,0,0.18); }
.service-card h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.service-card p { color: var(--muted); font-size: 0.85rem; line-height: 1.7; }

/* =====================================================
   ACHIEVEMENTS
===================================================== */
#achievements { background: var(--surface); }
.ach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ach-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 28px;
  display: flex; align-items: center; gap: 20px;
  transition: transform 0.4s, border-color 0.4s;
}
.ach-card:hover { transform: translateY(-5px); border-color: rgba(255,107,0,0.3); }
.ach-icon-wrap {
  width: 58px; height: 58px; border-radius: 16px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad);
}
.ach-icon-wrap i { color: #fff; font-size: 1.3rem; }
.ach-num { font-family: var(--font-display); font-size: 2rem; font-weight: 800; line-height: 1; color: var(--text); }
.ach-label { color: var(--muted); font-size: 0.82rem; margin-top: 2px; }
@media (max-width: 600px) {
  .ach-grid { gap: 12px; }
  .ach-card { padding: 18px 14px; gap: 12px; border-radius: 14px; }
  .ach-icon-wrap { width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0; }
  .ach-icon-wrap i { font-size: 1rem; }
  .ach-num { font-size: 1.4rem; }
  .ach-label { font-size: 0.73rem; }
}

/* =====================================================
   PROJECTS
===================================================== */
#work { background: var(--bg); }
.projects-filter { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-btn {
  padding: 7px 18px; border-radius: 50px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); font-size: 0.8rem;
  font-weight: 500; cursor: pointer; transition: all 0.3s; font-family: var(--font-body);
}
.filter-btn.active, .filter-btn:hover { background: var(--grad); color: #fff; border-color: transparent; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.project-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 20px; overflow: hidden;
  transition: transform 0.4s, box-shadow 0.4s;
  text-decoration: none; display: block; color: var(--text);
}
.project-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(255,107,0,0.15); color: var(--text); }

/* Project thumbnail with real image + click-to-preview */
.project-thumb {
  width: 100%; height: 220px; overflow: hidden; position: relative;
  background: var(--surface2); display: block; cursor: pointer;
}
.project-thumb img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
  display: block; transition: transform 0.5s ease, filter 0.4s ease;
}
.project-card:hover .project-thumb img { transform: scale(1.06); }
.project-thumb .thumb-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,6,3,0) 40%, rgba(10,6,3,0.65) 100%);
  opacity: 0; transition: opacity 0.35s ease;
  display: flex; align-items: flex-end; justify-content: center; padding-bottom: 16px;
}
.project-card:hover .thumb-overlay { opacity: 1; }
.thumb-overlay .thumb-hint {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.12); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.25); color: #fff;
  padding: 7px 16px; border-radius: 50px; font-size: 0.76rem; font-weight: 600;
  transform: translateY(8px); transition: transform 0.35s ease;
}
.project-card:hover .thumb-hint { transform: translateY(0); }

/* Fallback state when an image fails to load */
.project-thumb-placeholder {
  width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface2) 100%);
  gap: 8px; text-align: center; padding: 16px;
}
.project-thumb-placeholder i { font-size: 2.2rem; color: var(--accent); opacity: 0.5; }
.project-thumb-placeholder span { font-size: 0.76rem; color: var(--muted); font-weight: 500; letter-spacing: 0.02em; }

.project-body { padding: 22px; }
.project-category { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 7px; }
.project-title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.project-desc { color: var(--muted); font-size: 0.82rem; line-height: 1.6; margin-bottom: 14px; }
.project-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; font-weight: 600; color: var(--accent); text-decoration: none;
  transition: gap 0.3s; background: none; border: none; padding: 0; cursor: pointer;
  font-family: var(--font-body);
}
.project-link:hover { gap: 10px; }
@media (max-width: 600px) { .projects-grid { grid-template-columns: 1fr; } }

/* =====================================================
   PROJECT PREVIEW MODAL
===================================================== */
.project-modal-overlay {
  position: fixed; inset: 0; z-index: 3000;
  background: rgba(6,4,2,0.82); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.project-modal-overlay.open { opacity: 1; visibility: visible; }
.project-modal {
  position: relative;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 22px; padding: 20px 20px 24px;
  max-width: min(640px, 92vw);
  width: 100%;
  box-shadow: 0 30px 90px rgba(0,0,0,0.55);
  transform: scale(0.92) translateY(16px);
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1);
  max-height: 90vh; overflow-y: auto;
}
.project-modal-overlay.open .project-modal { transform: scale(1) translateY(0); }
.project-modal-close {
  position: absolute; top: 12px; right: 12px;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.15);
  color: #fff; font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.25s, transform 0.25s; z-index: 2;
}
[data-theme="light"] .project-modal-close { background: rgba(0,0,0,0.5); }
.project-modal-close:hover { background: var(--accent); transform: rotate(90deg); }
.project-modal-title {
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  color: var(--text); text-align: center; margin-bottom: 14px; padding-right: 30px;
}
.project-modal-imgwrap {
  width: 100%; border-radius: 14px; overflow: hidden;
  background: var(--surface2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.project-modal-imgwrap img {
  width: 100%; max-width: 92vw; max-height: 60vh;
  object-fit: contain; display: block;
}
.project-modal-imgwrap .modal-fallback {
  width: 100%; min-height: 220px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px; padding: 30px;
}
.project-modal-imgwrap .modal-fallback i { font-size: 2.4rem; color: var(--accent); opacity: 0.5; }
.project-modal-imgwrap .modal-fallback span { color: var(--muted); font-size: 0.85rem; }
.project-modal-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.project-modal-actions .btn-primary-grad,
.project-modal-actions .btn-outline-grad { font-size: 0.85rem; padding: 11px 26px; }
body.modal-open { overflow: hidden; }

@media (max-width: 600px) {
  .project-modal { padding: 16px 14px 20px; border-radius: 18px; }
  .project-modal-imgwrap img { max-height: 48vh; }
  .project-modal-actions { flex-direction: column; }
  .project-modal-actions .btn-primary-grad,
  .project-modal-actions .btn-outline-grad { width: 100%; justify-content: center; }
}

/* =====================================================
   GITHUB PROFILE CARD
===================================================== */
#github { background: var(--surface); }
.github-profile-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 28px; padding: 40px;
  display: grid; grid-template-columns: 1fr 1.8fr; gap: 40px; align-items: start;
  max-width: 900px; margin: 0 auto;
  position: relative; overflow: hidden;
  transition: transform 0.4s, box-shadow 0.4s;
}
.github-profile-card:hover { transform: translateY(-4px); box-shadow: 0 24px 60px rgba(255,107,0,0.12); }
.github-profile-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--grad); border-radius: 3px 3px 0 0;
}
.gh-avatar-wrap { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.gh-avatar {
  width: 140px; height: 140px; border-radius: 50%;
  background: linear-gradient(135deg, var(--surface2), var(--surface));
  border: 4px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem; color: var(--accent);
  box-shadow: 0 0 0 6px rgba(255,107,0,0.12), 0 10px 30px rgba(255,107,0,0.2);
  overflow: hidden;
}
.gh-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.gh-username {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  color: var(--muted); text-align: center;
}
.gh-username span { color: var(--accent); }
.gh-follow-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grad); color: #fff; padding: 8px 20px;
  border-radius: 50px; font-weight: 600; font-size: 0.82rem;
  text-decoration: none; transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 16px rgba(255,107,0,0.3); white-space: nowrap;
}
.gh-follow-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,107,0,0.45); color: #fff; }
.gh-info { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.gh-name { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--text); }
.gh-bio { color: var(--muted); font-size: 0.88rem; line-height: 1.7; }
.gh-meta { display: flex; flex-wrap: wrap; gap: 14px; }
.gh-meta-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.82rem; color: var(--muted);
}
.gh-meta-item i { color: var(--accent); }
.gh-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.gh-stat-card {
  background: rgba(255,107,0,0.06); border: 1px solid var(--border);
  border-radius: 14px; padding: 14px; text-align: center;
  transition: border-color 0.3s;
}
.gh-stat-card:hover { border-color: rgba(255,107,0,0.3); }
.gh-stat-num {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 800;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.gh-stat-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 2px; }
.gh-langs { display: flex; flex-direction: column; gap: 10px; }
.gh-lang-bar-wrap { display: flex; flex-direction: column; gap: 5px; }
.gh-lang-bar-label { display: flex; justify-content: space-between; font-size: 0.78rem; }
.gh-lang-bar-label span:first-child { color: var(--text); font-weight: 500; }
.gh-lang-bar-label span:last-child { color: var(--muted); }
.gh-lang-bar { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.gh-lang-bar-fill { height: 100%; border-radius: 3px; background: var(--grad); }
.gh-pins { display: flex; flex-direction: column; gap: 12px; }
.gh-pin-card {
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px;
  transition: border-color 0.3s, transform 0.3s;
  text-decoration: none; display: block; color: var(--text);
}
.gh-pin-card:hover { border-color: rgba(255,107,0,0.3); transform: translateX(4px); color: var(--text); }
.gh-pin-title {
  font-family: var(--font-display); font-weight: 700; font-size: 0.92rem;
  color: var(--accent); margin-bottom: 4px;
  display: flex; align-items: center; gap: 6px;
}
.gh-pin-desc { font-size: 0.8rem; color: var(--muted); line-height: 1.5; margin-bottom: 10px; }
.gh-pin-meta { display: flex; gap: 14px; flex-wrap: wrap; }
.gh-pin-meta-item { display: flex; align-items: center; gap: 5px; font-size: 0.75rem; color: var(--muted); }
.gh-pin-meta-item i { color: var(--accent); font-size: 0.72rem; }
.gh-contribution-label { font-size: 0.76rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.gh-contribution-grid { display: flex; gap: 3px; flex-wrap: wrap; overflow-x: auto; padding-bottom: 4px; }
.gh-contrib-week { display: flex; flex-direction: column; gap: 3px; flex-shrink: 0; }
.gh-contrib-day {
  width: 11px; height: 11px; border-radius: 2px; background: rgba(255,107,0,0.08);
}
.gh-contrib-day.l1 { background: rgba(255,107,0,0.2); }
.gh-contrib-day.l2 { background: rgba(255,107,0,0.4); }
.gh-contrib-day.l3 { background: rgba(255,107,0,0.65); }
.gh-contrib-day.l4 { background: var(--accent); }
@media (max-width: 768px) {
  .github-profile-card { grid-template-columns: 1fr; gap: 28px; padding: 28px 22px; }
  .gh-avatar { width: 100px; height: 100px; font-size: 2.5rem; }
  .gh-stats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 420px) {
  .gh-meta-item { font-size: 0.76rem; }
  .gh-stat-num { font-size: 1.15rem; }
}

/* =====================================================
   EXPERIENCE
===================================================== */
#experience { background: var(--bg); position: relative; overflow: hidden; }
#experience::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 60% at 20% 60%, rgba(255,107,0,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.exp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--accent), var(--gold));
}
.timeline-item { position: relative; margin-bottom: 38px; }
.timeline-item::before {
  content: ''; position: absolute; left: -34px; top: 5px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--grad); border: 3px solid var(--bg);
  box-shadow: 0 0 10px rgba(255,107,0,0.4);
}
.timeline-date { font-size: 0.75rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 5px; }
.timeline-title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 3px; color: var(--text); }
.timeline-company { color: var(--muted); font-size: 0.82rem; margin-bottom: 8px; }
.timeline-desc { color: var(--muted); font-size: 0.85rem; line-height: 1.7; }
@media (max-width: 768px) { .exp-grid { grid-template-columns: 1fr; gap: 40px; } }

/* =====================================================
   CONTACT
===================================================== */
#contact { background: var(--surface); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; align-items: start; }
.contact-info-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 18px; background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 14px; margin-bottom: 14px; transition: border-color 0.3s;
}
.contact-info-item:hover { border-color: rgba(255,107,0,0.3); }
.contact-icon {
  width: 42px; height: 42px; border-radius: 11px;
  background: rgba(255,107,0,0.1); display: flex; align-items: center;
  justify-content: center; color: var(--accent); font-size: 0.95rem; flex-shrink: 0;
}
.contact-detail-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 3px; }
.contact-detail-value { font-size: 0.88rem; font-weight: 500; color: var(--text); word-break: break-word; }
.contact-social-row { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.social-btn {
  width: 42px; height: 42px; border-radius: 11px; background: var(--card-bg);
  border: 1px solid var(--border); display: flex; align-items: center;
  justify-content: center; color: var(--muted); font-size: 0.95rem;
  text-decoration: none; transition: all 0.3s;
}
.social-btn:hover { background: var(--grad); color: #fff; border-color: transparent; transform: translateY(-3px); }
.contact-form { background: var(--card-bg); border: 1px solid var(--border); border-radius: 22px; padding: 36px; }
.form-group { margin-bottom: 18px; }
.form-label { font-size: 0.76rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; display: block; margin-bottom: 7px; }
.form-input {
  width: 100%; background: var(--input-bg); border: 1.5px solid var(--input-border);
  border-radius: 11px; padding: 12px 15px;
  color: var(--text); font-family: var(--font-body); font-size: 0.88rem;
  transition: border-color 0.3s, box-shadow 0.3s; outline: none;
}
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,107,0,0.1); }
.form-input::placeholder { color: var(--muted); }
.form-input option { color: #1a1a2e; background: #fff; }
textarea.form-input { resize: vertical; min-height: 110px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.submit-btn {
  width: 100%; background: var(--grad); color: #fff; border: none;
  border-radius: 11px; padding: 13px 24px; font-family: var(--font-display);
  font-size: 0.95rem; font-weight: 700; cursor: pointer;
  transition: opacity 0.3s, transform 0.3s; box-shadow: 0 6px 24px rgba(255,107,0,0.3);
}
.submit-btn:hover { opacity: 0.88; transform: translateY(-2px); }
.form-status { margin-top: 14px; font-size: 0.83rem; text-align: center; min-height: 18px; }
.form-status.success { color: #4ade80; }
.form-status.error { color: #f87171; }
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
}
@media (max-width: 400px) {
  .contact-form { padding: 18px; }
  .contact-info-item { padding: 14px; }
}

/* =====================================================
   FOOTER
===================================================== */
footer {
  background: var(--surface); border-top: 1px solid var(--border); padding: 28px 30px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-logo { font-family: var(--font-display); font-size: 1.15rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-copy { color: var(--muted); font-size: 0.82rem; }
.footer-copy a { color: var(--accent); text-decoration: none; }
@media (max-width: 500px) {
  .footer-inner { flex-direction: column; text-align: center; }
  footer { padding: 24px 20px; }
}

/* Back to top */
.back-to-top {
  position: fixed; bottom: 26px; right: 26px;
  width: 42px; height: 42px; border-radius: 11px;
  background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 1rem;
  box-shadow: 0 6px 18px rgba(255,107,0,0.4);
  opacity: 0; transform: translateY(20px);
  transition: all 0.4s; z-index: 998;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }
@media (max-width: 480px) {
  .back-to-top { bottom: 18px; right: 18px; width: 38px; height: 38px; }
}

/* =====================================================
   KEYFRAMES
===================================================== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes glowPulse { 0%,100% { opacity: 0.6; transform: scale(1); } 50% { opacity: 1; transform: scale(1.06); } }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes shimmerSweep { 0% { left: -80%; } 100% { left: 150%; } }