:root {
  --bg-primary: #0B1020;
  --bg-secondary: #111827;
  --bg-tertiary: #1A2438;

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --accent-primary: #3B82F6;
  --accent-secondary: #06B6D4;
  --accent-highlight: #8B5CF6;

  --border-primary: rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.14);

  --font-heading: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;

  --container: 1280px;
  --radius-xl: 32px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --transition: 300ms cubic-bezier(.2,.8,.2,1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

.section {
  padding: 110px 0;
  position: relative;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.section h2,
.final-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.section-heading p,
.split-content p,
.final-cta p {
  margin-top: 18px;
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.75;
}

/* HEADER */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 22px 0;
  transition: var(--transition);
}

.site-header.is-scrolled {
  background: rgba(11, 16, 32, .72);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-primary);
  padding: 14px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-mark {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand-text {
  font-size: 11px;
  color: var(--text-secondary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--text-secondary);
  font-size: 14px;
}

.main-nav a { transition: var(--transition); }
.main-nav a:hover { color: var(--text-primary); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-primary);
  background: rgba(255,255,255,.04);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.lang-label {
  color: var(--text-muted);
  font-weight: 700;
}

.lang-switch a {
  transition: var(--transition);
}

.lang-switch a:hover,
.lang-switch a.active {
  color: var(--text-primary);
}


/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 16px;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-small {
  min-height: 42px;
  padding: 0 18px;
  font-size: 14px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-highlight));
  color: white;
  box-shadow: 0 0 40px rgba(59,130,246,.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 55px rgba(59,130,246,.32);
}

.btn-secondary {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255,255,255,.07);
  transform: translateY(-2px);
}

/* HERO */

.hero {
  position: relative;
  min-height: 100vh;
  padding: 150px 0 100px;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 70px;
}

.hero-bg {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  filter: blur(150px);
  opacity: .16;
  pointer-events: none;
}

.hero-bg-one {
  right: -120px;
  top: 40px;
  background: var(--accent-primary);
}

.hero-bg-two {
  left: -150px;
  bottom: -160px;
  background: var(--accent-secondary);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .16;
  mask-image: radial-gradient(circle at center, black, transparent 70%);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 22px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-primary);
  background: rgba(255,255,255,.04);
  color: var(--accent-secondary);
  font-size: 14px;
  font-weight: 700;
}

.hero h1 {
  max-width: 760px;
  font-family: var(--font-heading);
  font-size: clamp(43px, 6vw, 76px);
  line-height: .98;
  letter-spacing: -0.07em;
}

.hero h1 span {
  display: block;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-highlight));
  -webkit-background-clip: text;
  color: transparent;
}

.hero p {
  max-width: 620px;
  margin-top: 26px;
  font-size: 18px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 28px;
  color: var(--text-secondary);
  font-size: 14px;
}

.hero-features span::before {
  content: "✓";
  margin-right: 7px;
  color: var(--accent-secondary);
}

/* MOCKUP */

.hero-visual {
  position: relative;
  min-height: 560px;
}

.mockup-card,
.floating-card,
.info-card,
.service-card,
.project-card,
.price-card,
.feature-item {
  border: 1px solid var(--border-primary);
  background: rgba(255,255,255,.045);
  backdrop-filter: blur(24px);
  box-shadow: 0 30px 80px rgba(0,0,0,.26);
}

.main-mockup {
  position: relative;
  margin-top: 40px;
  padding: 18px;
  border-radius: 32px;
  animation: floatMain 7s ease-in-out infinite;
}

.mockup-topbar {
  display: flex;
  gap: 8px;
  padding: 8px 0 18px;
}

.mockup-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
}

.mockup-hero {
  min-height: 180px;
  border-radius: 24px;
  padding: 28px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  background:
    linear-gradient(135deg, rgba(59,130,246,.32), rgba(6,182,212,.16)),
    radial-gradient(circle at top right, rgba(139,92,246,.55), transparent 42%),
    #111827;
}

.mockup-hero small {
  color: var(--accent-secondary);
  font-weight: 700;
}

.mockup-hero h3 {
  max-width: 340px;
  margin-top: 8px;
  font-family: var(--font-heading);
  font-size: 31px;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.mockup-hero button {
  border: none;
  border-radius: 14px;
  padding: 12px 18px;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.mockup-content {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 16px;
  margin-top: 16px;
}

.mockup-preview,
.mockup-panel {
  border-radius: 22px;
  background: rgba(255,255,255,.055);
  border: 1px solid var(--border-primary);
}

.mockup-preview {
  min-height: 190px;
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.1), rgba(255,255,255,.02)),
    radial-gradient(circle at 30% 20%, rgba(6,182,212,.35), transparent 35%),
    radial-gradient(circle at 80% 80%, rgba(59,130,246,.35), transparent 40%);
}

.preview-nav {
  width: 48%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
  margin-bottom: 28px;
}

.preview-line {
  border-radius: 999px;
  background: rgba(255,255,255,.22);
}

.preview-line-lg {
  width: 82%;
  height: 18px;
  margin-bottom: 12px;
}

.preview-line-md {
  width: 58%;
  height: 12px;
  margin-bottom: 24px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 11px;
}

.preview-grid span {
  min-height: 46px;
  border-radius: 14px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.08);
}

.preview-cta {
  width: 120px;
  height: 34px;
  margin-top: 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.mockup-panel {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mockup-panel span {
  font-size: 12px;
  color: var(--text-secondary);
}

.mockup-panel strong {
  margin-bottom: 10px;
  font-size: 18px;
}

.floating-card {
  position: absolute;
  z-index: 4;
  border-radius: 22px;
  padding: 18px 20px;
}

.floating-card span {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.floating-card strong { font-size: 16px; }

.floating-one {
  top: 20px;
  left: -20px;
}

.floating-two {
  right: -10px;
  bottom: 70px;
}

/* GRIDS + CARDS */

.grid-3,
.grid-4 {
  display: grid;
  gap: 26px;
}

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.info-card,
.service-card,
.project-card,
.price-card {
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition);
}

.info-card:hover,
.service-card:hover,
.project-card:hover,
.price-card:hover,
.feature-item:hover {
  transform: translateY(-6px);
  border-color: rgba(6,182,212,.35);
  box-shadow: 0 30px 90px rgba(6,182,212,.08);
}

.info-card h3,
.service-card h3,
.project-card h3,
.price-card h3,
.feature-item h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  letter-spacing: -0.04em;
}

.info-card p,
.service-card p,
.project-card p,
.price-card p,
.feature-item p {
  margin-top: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.service-card span {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--accent-secondary);
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 70px;
  align-items: start;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.feature-item {
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: var(--transition);
}

.feature-wide {
  grid-column: span 2;
}

.price-card strong {
  display: block;
  margin-top: 18px;
  font-family: var(--font-heading);
  font-size: 30px;
  letter-spacing: -0.05em;
}

.price-card.featured {
  border-color: rgba(59,130,246,.4);
  background:
    linear-gradient(135deg, rgba(59,130,246,.13), rgba(6,182,212,.05)),
    rgba(255,255,255,.045);
}

/* CTA + FOOTER */

.final-cta {
  padding: 110px 0;
}

.final-cta-inner {
  border-radius: var(--radius-xl);
  padding: 70px;
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(59,130,246,.24), transparent 42%),
    rgba(255,255,255,.045);
  border: 1px solid var(--border-primary);
}

.final-cta p {
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 30px;
}

.site-footer {
  padding: 36px 0;
  border-top: 1px solid var(--border-primary);
  color: var(--text-secondary);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner strong {
  display: block;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 22px;
}

/* ANIMATION */

@keyframes floatMain {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-16px) rotate(1deg); }
}



@media (max-width: 1180px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* RESPONSIVE */

@media (max-width: 980px) {
  .main-nav { display: none; }

  .hero { padding-top: 130px; }

  .hero-inner,
  .split {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .hero-visual { min-height: auto; }

  .grid-3,
  .grid-4,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .feature-wide {
    grid-column: span 1;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 32px, var(--container));
  }

  .site-header .btn { display: none; }
  .brand-text { display: none; }

  .section {
    padding: 78px 0;
  }

  .hero {
    padding: 120px 0 70px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero p,
  .section-heading p,
  .split-content p,
  .final-cta p {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn { width: 100%; }

  .mockup-content {
    grid-template-columns: 1fr;
  }

  .mockup-hero {
    min-height: 220px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .mockup-preview {
    min-height: 210px;
  }

  .preview-grid {
    grid-template-columns: 1fr;
  }

  .floating-card { display: none; }

  .final-cta-inner {
    padding: 42px 24px;
  }

  .footer-inner {
    flex-direction: column;
  }
}