/* =========================
   Base / Theme
========================= */
:root {
  --glass-light: rgba(255, 255, 255, 0.58);
  --glass-dark: rgba(255, 255, 255, 0.055);
  --border-light: rgba(15, 23, 42, 0.10);
  --border-dark: rgba(255, 255, 255, 0.10);
  --cyan: #22d3ee;
  --violet: #8b5cf6;
}

html { scroll-padding-top: 110px; }
body { font-family: "Inter", sans-serif; overflow-x: hidden; }

.container-shell {
  width: min(1180px, 92%);
  margin-inline: auto;
}

.section {
  padding-block: 7rem;
}

.glass {
  background: var(--glass-light);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 20px 70px rgba(15, 23, 42, 0.08);
}

.dark .glass {
  background: var(--glass-dark);
  border-color: var(--border-dark);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.28);
}

.glass-card,
.timeline-card,
.contact-card,
.testimonial-card,
.product-card,
.project-card {
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,.54);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 1.4rem;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease, background .3s ease;
}

.dark .glass-card,
.dark .timeline-card,
.dark .contact-card,
.dark .testimonial-card,
.dark .product-card,
.dark .project-card {
  border-color: var(--border-dark);
  background: rgba(255,255,255,.045);
}

.glass-card:hover,
.timeline-card:hover,
.contact-card:hover,
.testimonial-card:hover,
.product-card:hover,
.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, .35);
  box-shadow: 0 20px 60px rgba(34, 211, 238, .08);
}

/* =========================
   Ambient background
========================= */
.grid-overlay {
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image:
    linear-gradient(rgba(100,116,139,.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,116,139,.15) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 80%);
}

.blob {
  position: absolute;
  width: 28rem;
  height: 28rem;
  border-radius: 9999px;
  filter: blur(90px);
  opacity: .24;
  animation: float 13s ease-in-out infinite;
}

.blob-one { background: #22d3ee; left: -10rem; top: 8rem; }
.blob-two { background: #8b5cf6; right: -11rem; top: 27rem; animation-delay: -4s; }
.blob-three { background: #0ea5e9; left: 32%; bottom: -13rem; animation-delay: -7s; }

@keyframes float {
  0%, 100% { transform: translate3d(0,0,0) scale(1); }
  50% { transform: translate3d(30px,-24px,0) scale(1.08); }
}

/* =========================
   Navbar
========================= */
#navbar.scrolled {
  top: .65rem;
  width: min(96%, 1100px);
}

.nav-shell {
  transition: box-shadow .3s ease, background .3s ease;
}

#navbar.scrolled .nav-shell {
  box-shadow: 0 14px 50px rgba(15, 23, 42, .15);
}

.logo-mark {
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  border-radius: .7rem;
  background: linear-gradient(135deg, #22d3ee, #8b5cf6);
  color: white;
  box-shadow: 0 0 25px rgba(34, 211, 238, .35);
}

.nav-link {
  position: relative;
  padding: .65rem .85rem;
  border-radius: .8rem;
  color: rgb(100 116 139);
  transition: .25s ease;
}

.dark .nav-link { color: rgb(203 213 225); }
.nav-link:hover { color: rgb(6 182 212); background: rgba(34,211,238,.07); }
.nav-link.active { color: rgb(6 182 212); }

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 22%;
  right: 22%;
  bottom: .2rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #22d3ee, #8b5cf6);
  box-shadow: 0 0 12px rgba(34,211,238,.8);
}

.mobile-link {
  padding: .75rem .85rem;
  border-radius: .75rem;
}
.mobile-link:hover { background: rgba(34,211,238,.08); }

.icon-btn {
  width: 2.55rem;
  height: 2.55rem;
  display: grid;
  place-items: center;
  border-radius: .85rem;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,.45);
  transition: .25s ease;
}
.dark .icon-btn { background: rgba(255,255,255,.05); border-color: var(--border-dark); }
.icon-btn:hover { color: #22d3ee; border-color: rgba(34,211,238,.35); transform: translateY(-1px); }

.cart-badge {
  min-width: 1.25rem;
  height: 1.25rem;
  padding-inline: .3rem;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, #22d3ee, #8b5cf6);
}

/* =========================
   Typography / Buttons
========================= */
.gradient-text {
  background: linear-gradient(90deg, #06b6d4 0%, #8b5cf6 52%, #38bdf8 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientMove 5s linear infinite;
}

@keyframes gradientMove { to { background-position: 200% center; } }

.eyebrow,
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  border: 1px solid rgba(34,211,238,.22);
  background: rgba(34,211,238,.07);
  border-radius: 999px;
  padding: .5rem .78rem;
  font-size: .78rem;
  color: rgb(8 145 178);
}

.dark .eyebrow,
.dark .status-pill { color: rgb(103 232 249); }

.pulse-dot {
  width: .47rem;
  height: .47rem;
  border-radius: 999px;
  background: #22d3ee;
  box-shadow: 0 0 0 5px rgba(34,211,238,.10), 0 0 15px rgba(34,211,238,.7);
}

.btn {
  min-height: 2.85rem;
  padding: .78rem 1.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: .9rem;
  font-weight: 700;
  font-size: .92rem;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  color: #07111b;
  background: linear-gradient(135deg, #67e8f9, #22d3ee 50%, #a78bfa);
  box-shadow: 0 10px 35px rgba(34,211,238,.22);
}
.btn-primary:hover { box-shadow: 0 14px 45px rgba(34,211,238,.32); }

.btn-glass {
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,.55);
}
.dark .btn-glass { border-color: var(--border-dark); background: rgba(255,255,255,.05); }
.btn-glass:hover { border-color: rgba(34,211,238,.35); }

/* =========================
   Hero
========================= */
.hero-card { box-shadow: 0 35px 120px rgba(34,211,238,.08); }

.hero-card-glow {
  position: absolute;
  width: 14rem;
  height: 14rem;
  border-radius: 999px;
  right: -5rem;
  top: -5rem;
  background: #22d3ee;
  opacity: .18;
  filter: blur(55px);
}

.hero-orbit {
  position: absolute;
  inset: -2.4rem;
  border-radius: 9999px;
  border: 1px dashed rgba(34,211,238,.16);
  animation: spin 34s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.visual-panel {
  min-height: 260px;
  border-radius: 1.4rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(circle at 20% 20%, rgba(34,211,238,.55), transparent 27%),
    radial-gradient(circle at 80% 75%, rgba(139,92,246,.52), transparent 30%),
    linear-gradient(135deg, #101828, #0b1220);
  display: grid;
  place-items: center;
}

.visual-code {
  width: min(80%, 340px);
  padding: 1.3rem;
  border-radius: 1rem;
  color: #e2e8f0;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  display: grid;
  gap: .45rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.visual-code span { color: #67e8f9; font-size: .78rem; }
.visual-code strong { font-size: 1.25rem; }

.stat-card {
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,.35);
}
.dark .stat-card { border-color: var(--border-dark); background: rgba(255,255,255,.035); }
.stat-card strong, .stat-card > span { font-size: 1.45rem; font-weight: 800; }
.stat-card > span { color: #22d3ee; }
.stat-card p { margin-top: .25rem; font-size: .7rem; color: rgb(100 116 139); }
.dark .stat-card p { color: rgb(148 163 184); }

/* =========================
   Sections / About
========================= */
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr);
  gap: 2rem;
  align-items: end;
}
.section-kicker {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .75rem;
  font-weight: 800;
  color: rgb(6 182 212);
}
.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -.035em;
  font-weight: 800;
  margin-top: .55rem;
}
.section-heading > p {
  color: rgb(100 116 139);
  line-height: 1.75;
}
.dark .section-heading > p { color: rgb(148 163 184); }

.skill-chip,
.tag-row span {
  border: 1px solid rgba(34,211,238,.16);
  background: rgba(34,211,238,.06);
  color: rgb(8 145 178);
  border-radius: 999px;
  padding: .48rem .7rem;
  font-size: .75rem;
  font-weight: 700;
  transition: .25s ease;
}
.dark .skill-chip,
.dark .tag-row span { color: rgb(103 232 249); }
.skill-chip:hover { transform: translateY(-2px); border-color: rgba(34,211,238,.45); box-shadow: 0 0 25px rgba(34,211,238,.10); }

.timeline-card { padding: 1.4rem; }
.timeline-card > span,
.project-category,
.product-type {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: rgb(6 182 212);
  font-weight: 800;
}
.timeline-card h3 { margin-top: .7rem; font-size: 1rem; font-weight: 800; }
.timeline-card p { margin-top: .45rem; font-size: .85rem; color: rgb(100 116 139); line-height: 1.65; }
.dark .timeline-card p { color: rgb(148 163 184); }

/* =========================
   Projects
========================= */
.filter-tabs { display: flex; flex-wrap: wrap; gap: .55rem; }
.filter-btn {
  padding: .65rem .9rem;
  border-radius: .8rem;
  border: 1px solid var(--border-light);
  font-size: .82rem;
  font-weight: 700;
  transition: .25s ease;
}
.dark .filter-btn { border-color: var(--border-dark); }
.filter-btn:hover,
.filter-btn.active {
  color: rgb(8 145 178);
  border-color: rgba(34,211,238,.35);
  background: rgba(34,211,238,.08);
}
.dark .filter-btn.active { color: rgb(103 232 249); }

.project-card { overflow: hidden; }
.project-card.hidden-project { display: none; }

.project-thumb {
  min-height: 210px;
  margin: .55rem;
  border-radius: 1rem;
  display: flex;
  align-items: flex-end;
  padding: 1.1rem;
  overflow: hidden;
  position: relative;
  color: white;
  font-weight: 800;
  letter-spacing: -.02em;
}
.project-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.52), transparent 55%);
}
.project-thumb span { z-index: 1; font-size: 1.25rem; }
.thumb-one { background: radial-gradient(circle at 20% 20%, #22d3ee, transparent 35%), linear-gradient(135deg,#0f172a,#312e81); }
.thumb-two { background: radial-gradient(circle at 70% 25%, #c084fc, transparent 35%), linear-gradient(135deg,#111827,#0f766e); }
.thumb-three { background: radial-gradient(circle at 30% 30%, #38bdf8, transparent 30%), linear-gradient(135deg,#1f2937,#7c3aed); }
.thumb-four { background: radial-gradient(circle at 80% 70%, #22d3ee, transparent 30%), linear-gradient(135deg,#111827,#0f766e); }
.thumb-five { background: radial-gradient(circle at 25% 70%, #a78bfa, transparent 34%), linear-gradient(135deg,#172554,#134e4a); }
.thumb-six { background: radial-gradient(circle at 75% 30%, #67e8f9, transparent 30%), linear-gradient(135deg,#111827,#581c87); }

.project-content { padding: 1rem 1.35rem 1.35rem; }
.project-content h3 { font-size: 1.18rem; font-weight: 800; margin-top: .45rem; }
.project-content > p:not(.project-category) { margin-top: .5rem; color: rgb(100 116 139); line-height: 1.6; font-size: .87rem; }
.dark .project-content > p:not(.project-category) { color: rgb(148 163 184); }
.tag-row { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.tag-row span { padding: .35rem .55rem; font-size: .67rem; }
.project-actions { display: flex; gap: 1rem; margin-top: 1rem; font-size: .8rem; font-weight: 700; }
.project-actions a { color: rgb(8 145 178); }
.dark .project-actions a { color: rgb(103 232 249); }

/* =========================
   Contact
========================= */
.contact-card { padding: 1.15rem; display: flex; align-items: center; gap: 1rem; }
.contact-card > span {
  width: 2.8rem; height: 2.8rem; display: grid; place-items: center;
  border-radius: .9rem; background: rgba(34,211,238,.08); color: rgb(8 145 178);
}
.contact-card small { color: rgb(100 116 139); display: block; font-size: .7rem; }
.dark .contact-card small { color: rgb(148 163 184); }
.contact-card a, .contact-card p { font-weight: 700; margin-top: .15rem; }

.social-btn {
  width: 2.55rem; height: 2.55rem; border-radius: .85rem;
  display: grid; place-items: center; border: 1px solid var(--border-light);
  font-size: .75rem; font-weight: 800; transition: .25s ease;
}
.dark .social-btn { border-color: var(--border-dark); }
.social-btn:hover { color: #22d3ee; border-color: rgba(34,211,238,.42); box-shadow: 0 0 25px rgba(34,211,238,.13); transform: translateY(-2px); }

.field label { display: block; font-size: .76rem; font-weight: 700; margin-bottom: .5rem; }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,.38);
  border-radius: .85rem;
  padding: .8rem .9rem;
  outline: none;
  transition: .25s ease;
}
.dark .field input, .dark .field textarea {
  border-color: var(--border-dark);
  background: rgba(255,255,255,.035);
}
.field input:focus, .field textarea:focus {
  border-color: rgba(34,211,238,.5);
  box-shadow: 0 0 0 4px rgba(34,211,238,.08);
}
.field.invalid input, .field.invalid textarea { border-color: #fb7185; }
.error-text { min-height: 1rem; margin-top: .3rem; font-size: .7rem; color: #fb7185; }

/* =========================
   Partners
========================= */
.marquee { overflow: hidden; padding: 1.25rem 0; }
.marquee-track {
  display: flex;
  width: max-content;
  gap: 4rem;
  padding-left: 4rem;
  animation: marquee 24s linear infinite;
}
.marquee-track span { font-weight: 800; letter-spacing: .14em; color: rgb(100 116 139); }
.dark .marquee-track span { color: rgb(148 163 184); }
@keyframes marquee { to { transform: translateX(-50%); } }

.testimonial-card { padding: 1.5rem; }
.testimonial-card > p { line-height: 1.7; color: rgb(71 85 105); }
.dark .testimonial-card > p { color: rgb(203 213 225); }
.testimonial-card > div { display: grid; margin-top: 1.4rem; }
.testimonial-card strong { font-size: .9rem; }
.testimonial-card span { font-size: .72rem; color: rgb(100 116 139); margin-top: .2rem; }
.dark .testimonial-card span { color: rgb(148 163 184); }

/* =========================
   Products / Cart
========================= */
.product-card { overflow: hidden; }
.product-thumb {
  height: 190px; margin: .55rem; border-radius: 1rem;
  display: grid; place-items: center; color: white;
  font-size: 3rem; font-weight: 800; letter-spacing: -.08em;
  text-shadow: 0 8px 35px rgba(0,0,0,.22);
}
.product-a { background: radial-gradient(circle at 30% 30%, #67e8f9, transparent 30%), linear-gradient(135deg,#0f172a,#312e81); }
.product-b { background: radial-gradient(circle at 70% 25%, #c084fc, transparent 35%), linear-gradient(135deg,#0f172a,#0f766e); }
.product-c { background: radial-gradient(circle at 30% 70%, #22d3ee, transparent 30%), linear-gradient(135deg,#111827,#581c87); }
.product-card h3 { font-size: 1.05rem; font-weight: 800; margin-top: .35rem; }
.price { font-size: 1.2rem; color: rgb(8 145 178); }
.dark .price { color: rgb(103 232 249); }

.cart-item {
  border: 1px solid var(--border-light);
  border-radius: 1rem;
  padding: 1rem;
  background: rgba(255,255,255,.45);
}
.dark .cart-item { border-color: var(--border-dark); background: rgba(255,255,255,.035); }
.qty-btn {
  width: 2rem; height: 2rem; display: grid; place-items: center;
  border: 1px solid var(--border-light); border-radius: .65rem;
}
.dark .qty-btn { border-color: var(--border-dark); }
.qty-btn:hover { border-color: rgba(34,211,238,.4); color: #22d3ee; }

/* =========================
   Responsive
========================= */
@media (max-width: 900px) {
  .section { padding-block: 5rem; }
  .section-heading { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 88px; }
  .section { padding-block: 4.4rem; }
  .hero-orbit { display: none; }
  .stat-card { padding: .78rem; }
  .stat-card strong, .stat-card > span { font-size: 1.15rem; }
  .stat-card p { font-size: .62rem; }
  .marquee-track { gap: 2.5rem; padding-left: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}