/* ============================================================
   3D FRACTAL — Design System & Site Styles
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Sora:wght@500;600;700;800&display=swap");

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --color-bg: #F7F9FC;
  --color-surface: #FFFFFF;
  --color-surface-soft: #EEF3FA;
  --color-primary: #005BFF;
  --color-primary-light: #2F7DFF;
  --color-primary-glow: #00A3FF;
  --color-navy: #07111F;
  --color-navy-soft: #101A2B;
  --color-text: #0B1220;
  --color-text-muted: #5E6B7E;
  --color-silver: #C8D0DA;
  --color-border: #DDE5F0;
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  --gradient-primary: linear-gradient(135deg, #005BFF 0%, #007BFF 45%, #00A3FF 100%);
  --gradient-dark: linear-gradient(135deg, #07111F 0%, #101A2B 55%, #005BFF 100%);
  --gradient-surface: linear-gradient(180deg, #FFFFFF 0%, #F3F7FC 100%);

  --shadow-soft: 0 16px 40px rgba(7, 17, 31, 0.08);
  --shadow-card: 0 10px 30px rgba(7, 17, 31, 0.10);
  --shadow-blue: 0 0 32px rgba(0, 91, 255, 0.28);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 40px;

  --font-heading: "Sora", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0;
}

h1 { font-size: clamp(2rem, 3.6vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.8rem); font-weight: 750; }
h3 { font-size: 1.1rem; font-weight: 700; }

p { color: var(--color-text-muted); margin: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; margin: 0; padding: 0; }

/* ── Layout Utility ────────────────────────────────────────── */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 42px rgba(0, 91, 255, 0.40);
}

.btn-secondary {
  background: rgba(255,255,255,0.82);
  color: var(--color-navy);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

/* ── Navigation ────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(221,229,240,0.8);
}

.nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 18px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-navy);
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
}

.logo-img {
  height: 88px;
  width: auto;
  max-width: 360px;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-navy);
}

.nav-links a {
  opacity: 0.72;
  transition: opacity 0.2s, color 0.2s;
}
.nav-links a:hover { opacity: 1; color: var(--color-primary); }

.nav-cta { flex-shrink: 0; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-navy);
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  min-height: auto;
  padding: 56px 0 48px;
  background:
    radial-gradient(circle at 78% 38%, rgba(0, 91, 255, 0.12), transparent 38%),
    radial-gradient(circle at 20% 80%, rgba(0, 163, 255, 0.07), transparent 30%),
    linear-gradient(180deg, #FFFFFF 0%, #F7F9FC 100%);
  display: flex;
  align-items: center;
}

.hero-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  margin-bottom: 24px;
}

.hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.hero-title {
  margin-bottom: 4px;
}

.hero-title .accent { color: var(--color-primary); }

.hero-copy {
  margin-top: 20px;
  font-size: 1rem;
  line-height: 1.65;
  max-width: 480px;
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  width: 100%;
  max-width: 900px;
  filter: drop-shadow(0 32px 56px rgba(7,17,31,0.14));
  animation: floatY 6s ease-in-out infinite;
}

/* Fallback hero visual when image is missing */
.hero-visual-placeholder {
  width: 100%;
  max-width: 700px;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, rgba(0,91,255,0.06) 0%, rgba(0,163,255,0.12) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,91,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  animation: floatY 6s ease-in-out infinite;
  overflow: hidden;
  position: relative;
}

/* Decorative glow behind visual */
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 10%;
  background: radial-gradient(circle, rgba(0,91,255,0.18) 0%, transparent 70%);
  filter: blur(40px);
  z-index: -1;
}

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

/* ── Service Cards ─────────────────────────────────────────── */
.services {
  padding: 0 0 24px;
}

.card-grid {
  max-width: 1400px;
  margin: -28px auto 0;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(221,229,240,0.9);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,91,255,0.28);
  box-shadow: var(--shadow-card);
}

.service-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: var(--color-primary);
  background: rgba(0,91,255,0.08);
  margin-bottom: 20px;
  flex-shrink: 0;
}

.service-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.88rem;
  transition: gap 0.2s;
}

.card-link:hover { gap: 10px; }

/* ── Stats Row ─────────────────────────────────────────────── */
.stats { padding: 32px 0; }

.stats-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
}

.stats-grid {
  background: rgba(255,255,255,0.88);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.stat {
  padding: 28px 32px;
  border-right: 1px solid var(--color-border);
  transition: background 0.2s;
}
.stat:last-child { border-right: none; }
.stat:hover { background: rgba(0,91,255,0.03); }

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--color-primary);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-label {
  margin-top: 4px;
  font-size: 0.82rem;
  color: var(--color-text);
  font-weight: 600;
}

.stat-sub {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ── Featured Work ─────────────────────────────────────────── */
.featured-work {
  padding: 72px 0;
  background: var(--color-bg);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
}

.section-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.work-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.work-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.work-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, #101A2B 0%, #005BFF 100%);
  position: relative;
}

.work-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.work-card:hover .work-card-image img { transform: scale(1.04); }

.work-card-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #07111F 0%, #101A2B 60%, rgba(0,91,255,0.4) 100%);
}

.work-card-body {
  padding: 22px 24px;
}

.work-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(0,91,255,0.08);
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.work-card h3 { font-size: 1rem; margin-bottom: 8px; }
.work-card p { font-size: 0.88rem; }

.work-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: gap 0.2s;
}
.work-link:hover { gap: 10px; }

/* ── Our Process ───────────────────────────────────────────── */
.process {
  padding: 72px 0;
  background: #fff;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 52px;
}

/* Connector line between steps */
.process-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-glow) 100%);
  opacity: 0.25;
  z-index: 0;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.process-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.process-number svg { color: var(--color-primary); }

.process-step:hover .process-number {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-blue);
}

.process-step-num {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-step h3 { font-size: 1.05rem; margin-bottom: 10px; }
.process-step p { font-size: 0.88rem; }

/* ── Trusted By ────────────────────────────────────────────── */
.trusted {
  padding: 64px 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.trusted-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  text-align: center;
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px 24px;
  align-items: center;
  justify-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.logo-item {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  opacity: 0.6;
  transition: opacity 0.2s, color 0.2s;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.logo-item:hover {
  opacity: 1;
  color: var(--color-text);
  border-color: var(--color-border);
}

/* ── Dark CTA Banner ───────────────────────────────────────── */
.cta-banner {
  padding: 32px 0 72px;
}

.cta-inner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 56px 64px;
  background:
    radial-gradient(circle at 85% 50%, rgba(0,163,255,0.32), transparent 38%),
    radial-gradient(circle at 15% 70%, rgba(0,91,255,0.20), transparent 30%),
    var(--gradient-dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  box-shadow: 0 28px 70px rgba(7,17,31,0.24);
}

/* Decorative grid overlay */
.cta-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.cta-text { flex: 1; position: relative; z-index: 1; }

.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  margin-bottom: 12px;
}

.cta-inner p { color: rgba(255,255,255,0.72); font-size: 1rem; }

.cta-actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.72);
  padding: 64px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1.6fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 14px;
}

.footer-tagline {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
}

.footer-col ul li { margin-bottom: 10px; }

.footer-col ul a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}

.footer-col ul a:hover { color: #fff; }

/* Newsletter */
.newsletter-form {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.newsletter-input {
  flex: 1;
  height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.07);
  color: #fff;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
  font-family: var(--font-body);
}

.newsletter-input::placeholder { color: rgba(255,255,255,0.35); }
.newsletter-input:focus { border-color: var(--color-primary); }

.newsletter-btn {
  height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.82rem;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  font-family: var(--font-body);
}

.newsletter-btn:hover { opacity: 0.88; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.35);
  transition: color 0.2s;
}

.footer-bottom-links a:hover { color: rgba(255,255,255,0.7); }

/* Social icons */
.social-links {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: grid;
  place-items: center;
  color: rgba(255,255,255,0.6);
  transition: background 0.2s, color 0.2s;
}

.social-link:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ── Process & Work section titles ─────────────────────────── */
.section-title-block { margin-bottom: 0; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .work-grid  { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .process-grid::before { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr 1fr; }
  .logos-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .container, .nav, .hero-inner, .stats-inner,
  .card-grid, .work-grid, .cta-inner { padding-left: 24px; padding-right: 24px; }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-visual img, .hero-visual-placeholder { max-width: 100%; }

  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid var(--color-border); }
  .stat:nth-child(odd) { border-right: 1px solid var(--color-border); }
  .stat:last-child { border-bottom: none; }

  .cta-inner { flex-direction: column; padding: 40px 32px; }
  .cta-actions { flex-wrap: wrap; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .logos-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .newsletter-form { flex-direction: column; }
}