/* Kubair.tech — Temporal-inspired polish, Kubair gold/black brand */
:root {
  --bg: #05070c;
  --bg-navy: #070b14;
  --bg-elevated: #0a0f1a;
  --bg-card: rgba(16, 24, 42, 0.55);
  --bg-card-solid: #10182a;
  --bg-card-hover: rgba(20, 30, 52, 0.72);
  --border: rgba(148, 163, 184, 0.1);
  --border-gold: rgba(245, 197, 24, 0.28);
  --text: #f2f0ea;
  --text-muted: #b8a9d4; /* dusty lavender */
  --text-dim: #7a7194;
  --accent: #f5c518;
  --accent-2: #e6a800;
  --accent-soft: rgba(245, 197, 24, 0.1);
  --accent-glow: rgba(245, 197, 24, 0.28);
  --success: #34d399;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --container: 1180px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.7;
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: #ffe066;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #0a0e18;
  padding: 0.75rem 1rem;
  z-index: 1000;
  font-weight: 600;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.container.narrow {
  width: min(100% - 2.5rem, 720px);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(5, 7, 12, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2.5rem, var(--container));
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.logo:hover {
  opacity: 0.92;
}

.logo-img {
  display: block;
  height: 44px;
  width: auto;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 0 24px var(--accent-glow);
}

.logo-footer .logo-img {
  height: 56px;
}

.hero-logo {
  display: block;
  width: min(96px, 28vw);
  height: auto;
  margin: 0 0 1.75rem;
  border-radius: 14px;
  box-shadow: 0 0 48px var(--accent-glow);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons — square-ish gradient CTAs (Temporal-like), gold */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s, border-color 0.2s, box-shadow 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0e18;
  box-shadow: 0 8px 28px rgba(245, 197, 24, 0.22);
}

.btn-primary:hover {
  color: #0a0e18;
  box-shadow: 0 12px 36px rgba(245, 197, 24, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(245, 197, 24, 0.35);
  background: rgba(255, 255, 255, 0.03);
}

.btn-sm {
  padding: 0.65rem 1.1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1.1rem 1.85rem;
  font-size: 1.05rem;
}

/* Sections — tall airy */
.section {
  padding: 7.5rem 0;
  position: relative;
}

.section-head {
  max-width: 780px;
  margin-bottom: 3.5rem;
}

.section-head h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 300;
  color: var(--text);
}

.section-lead {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.7;
  max-width: 36em;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  padding: 6.5rem 0 5.5rem;
  overflow: hidden;
  min-height: min(88vh, 820px);
  display: flex;
  align-items: center;
  background: var(--bg-navy);
}

/* Soft wash — not neon blobs */
.hero-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 70% 40%, rgba(245, 197, 24, 0.07), transparent 55%),
    radial-gradient(ellipse 50% 40% at 20% 60%, rgba(100, 90, 140, 0.08), transparent 50%);
}

/* Perspective grid floor */
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(245, 197, 24, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245, 197, 24, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(600px) rotateX(58deg) scale(1.6) translateY(18%);
  transform-origin: center bottom;
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.55), transparent 70%);
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.55), transparent 70%);
  opacity: 0.55;
}

/* Starfield */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url("assets/starfield.svg") center / cover no-repeat;
  opacity: 0.7;
  z-index: 0;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 35%, rgba(5, 7, 12, 0.75) 100%);
  z-index: 1;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
  width: min(100% - 2.5rem, var(--container));
}

.hero-copy {
  max-width: 560px;
}

.hero h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(2.6rem, 5.5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 300;
  color: var(--text);
}

.hero-sub {
  margin: 0 0 2.25rem;
  color: var(--text-muted);
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  font-weight: 400;
  line-height: 1.7;
  max-width: 32em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--text-dim);
  font-size: 0.88rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-trust li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* 3D / fallback visual */
.hero-visual {
  position: relative;
  width: 100%;
  height: min(520px, 62vh);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    url("assets/hero-iso.svg") center / contain no-repeat,
    rgba(8, 12, 22, 0.4);
  border: 1px solid var(--border);
  box-shadow:
    inset 0 0 80px rgba(245, 197, 24, 0.04),
    0 20px 60px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
}

.hero-visual.has-webgl {
  background-image: none;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.hero-canvas-fallback {
  background:
    url("assets/hero-iso.svg") center / 85% no-repeat,
    rgba(8, 12, 22, 0.5);
}

/* Section starfield wash (subtle, repeating) */
.problem,
.work,
.stack,
.cta-final {
  background-image: url("assets/starfield.svg");
  background-repeat: repeat;
  background-size: 900px auto;
  background-position: center top;
}

.problem {
  background-color: var(--bg);
}

/* Cards — glass */
.card-grid {
  display: grid;
  gap: 1.35rem;
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.85rem 1.65rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s var(--ease), background 0.25s, transform 0.25s var(--ease), box-shadow 0.25s;
  box-shadow: 0 0 0 1px rgba(245, 197, 24, 0.02);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-gold);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 30px rgba(245, 197, 24, 0.06);
}

.card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.card-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 1.15rem;
  border-radius: 8px;
  background: var(--accent-soft);
  font-size: 1.15rem;
  box-shadow: 0 0 20px rgba(245, 197, 24, 0.08);
}

/* About */
.about {
  background: linear-gradient(180deg, transparent, rgba(245, 197, 24, 0.03), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: start;
}

.about-copy h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.9rem, 3.5vw, 2.65rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  font-weight: 300;
}

.about-copy p {
  color: var(--text-muted);
  margin: 0 0 1.15rem;
}

.about-copy strong {
  color: var(--text);
  font-weight: 560;
}

.about-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-bullets li {
  display: flex;
  gap: 0.9rem;
  padding: 1.2rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(10px);
}

.bullet-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.about-bullets strong {
  display: block;
  margin-bottom: 0.15rem;
  letter-spacing: -0.01em;
  font-weight: 560;
}

.about-bullets span:last-child {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Cases */
.case-tag {
  display: inline-block;
  margin-bottom: 0.85rem;
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-metric {
  margin-top: 1.25rem !important;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border);
  color: var(--text) !important;
  font-weight: 560;
  font-size: 0.95rem !important;
}

.case-metric span {
  display: block;
  color: var(--text-dim);
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

/* Process + iso diagram */
.process-diagram {
  display: block;
  width: min(100%, 640px);
  margin: 0 auto 3.5rem;
  opacity: 0.95;
}

.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--border);
  margin-left: 1.1rem;
}

.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  padding: 0 0 2.5rem 1.75rem;
  position: relative;
}

.process-step:last-child {
  padding-bottom: 0;
}

.step-num {
  position: absolute;
  left: -1.15rem;
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-gold);
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  box-shadow: 0 0 0 6px var(--bg);
}

.process-step h3 {
  margin: 0.2rem 0 0.55rem;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.process-step p {
  margin: 0;
  color: var(--text-muted);
  max-width: 640px;
}

/* Stack */
.stack-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.9rem 1.25rem;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-weight: 560;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  backdrop-filter: blur(8px);
  transition: border-color 0.2s, transform 0.2s var(--ease);
}

.chip:hover {
  border-color: var(--border-gold);
  transform: translateY(-1px);
}

.chip-icon {
  display: grid;
  place-items: center;
  width: 1.4rem;
  height: 1.4rem;
  font-size: 0.85rem;
  color: var(--accent);
}

/* FAQ accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.accordion-item h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 560;
  text-align: left;
  cursor: pointer;
  letter-spacing: -0.01em;
}

.accordion-trigger:hover {
  background: rgba(255, 255, 255, 0.02);
}

.accordion-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.accordion-icon::before {
  width: 14px;
  height: 2px;
  top: 10px;
  left: 4px;
}

.accordion-icon::after {
  width: 2px;
  height: 14px;
  top: 4px;
  left: 10px;
}

.accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  transform: scaleY(0);
}

.accordion-panel {
  padding: 0 1.35rem 1.3rem;
}

.accordion-panel[hidden] {
  display: none;
}

.accordion-panel p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* Final CTA */
.cta-final {
  padding-bottom: 5rem;
}

.cta-box {
  text-align: center;
  padding: 4rem 2.25rem;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(245, 197, 24, 0.1), transparent 55%),
    var(--bg-card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.cta-box h2 {
  margin: 0 0 1.15rem;
  font-size: clamp(1.85rem, 3.8vw, 2.65rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  font-weight: 300;
}

.cta-box > p {
  margin: 0 auto 2rem;
  color: var(--text-muted);
  max-width: 520px;
}

.cta-email {
  margin: 1.35rem 0 0 !important;
  font-size: 0.95rem;
  color: var(--text-dim) !important;
}

.cta-email a {
  color: var(--accent);
  font-weight: 600;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2.5rem;
  background: var(--bg-elevated);
}

.footer-inner {
  display: grid;
  gap: 1.5rem;
}

.footer-brand p {
  margin: 0.75rem 0 0;
  color: var(--text-dim);
  font-size: 0.92rem;
  max-width: 360px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
}

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

.footer-copy {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-visual {
    height: 280px;
    order: -1;
  }

  .hero-logo {
    margin-inline: auto;
  }

  .hero-copy {
    max-width: none;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-trust {
    justify-content: center;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 7vw, 3rem);
  }

  .card-grid.three,
  .card-grid.two {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    padding: 1rem 1.25rem 1.5rem;
    background: rgba(5, 7, 12, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.25s;
  }

  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    gap: 0;
  }

  .nav-links a {
    display: block;
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-cta {
    margin-top: 0.75rem;
    width: 100%;
  }

  .hero {
    padding: 3.5rem 0 3rem;
    min-height: 0;
  }

  .hero-visual {
    height: 220px;
  }

  .section {
    padding: 5rem 0;
  }

  .cta-box {
    padding: 2.75rem 1.35rem;
  }

  .hero-grid {
    opacity: 0.35;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }
}