:root {
  --bg: #05070d;
  --bg-elevated: #12162340;
  --surface: #10131f;
  --surface-border: #232840;
  --text: #f4f5f8;
  --text-muted: #9aa0b4;
  --accent-1: #7c3aed;
  --accent-2: #38bdf8;
  --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --radius: 14px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11, 14, 23, 0.85);
  border-bottom: 1px solid var(--surface-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.brand svg {
  width: 30px;
  height: 30px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

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

.nav-cta {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--accent-gradient);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text);
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  padding: 140px 0 110px;
  overflow: hidden;
  text-align: left;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -25% -10% auto -10%;
  height: 520px;
  background: radial-gradient(closest-side, rgba(124, 58, 237, 0.28), transparent 70%);
  filter: blur(10px);
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--surface-border);
  background: rgba(56, 189, 248, 0.06);
  color: var(--accent-2);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 28px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 8px var(--accent-2);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}

.hero h1 .gradient-text {
  display: block;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin: 0 0 40px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.btn-primary .arrow {
  margin-left: 8px;
  transition: transform 0.15s ease;
}

.btn-primary:hover .arrow {
  transform: translateX(3px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

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

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
}

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

/* Sections */
section {
  padding: 96px 0;
  border-top: 1px solid var(--surface-border);
}

.section-head {
  max-width: 620px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-tag {
  color: var(--accent-2);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: block;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.about-copy p {
  color: var(--text-muted);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.stat-card .num {
  font-size: 1.9rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-card .label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 6px;
}

/* Services */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--accent-1);
  transform: translateY(-4px);
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.card p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
}

/* Work */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.work-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--surface-border);
  background: var(--surface);
}

.work-thumb {
  height: 200px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.25), rgba(79, 163, 255, 0.25));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.work-body {
  padding: 22px 24px 26px;
}

.work-body .tag {
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.work-body h3 {
  margin: 8px 0 8px;
  font-size: 1.1rem;
}

.work-body p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.92rem;
}

/* Testimonial */
.testimonial {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.testimonial blockquote {
  font-size: 1.3rem;
  line-height: 1.5;
  margin: 0 0 20px;
  font-weight: 500;
}

.testimonial cite {
  color: var(--text-muted);
  font-style: normal;
  font-size: 0.9rem;
}

/* Contact */
.contact-wrap {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 32px;
  align-items: start;
}

form.contact-form {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 36px;
  display: grid;
  gap: 20px;
}

.contact-form h3 {
  margin: 0;
  font-size: 1.3rem;
}

.form-sub {
  color: var(--text-muted);
  margin: -12px 0 4px;
  font-size: 0.92rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.required {
  color: var(--accent-2);
}

input,
textarea,
select {
  width: 100%;
  background: #0d1120;
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239aa0b4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

select:invalid,
select option[value=""] {
  color: var(--text-muted);
}

input::placeholder,
textarea::placeholder {
  color: #5c6376;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent-1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  min-height: 20px;
  font-size: 0.9rem;
  color: var(--accent-2);
  margin: 0;
}

/* Contact sidebar */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.response-card {
  display: flex;
  align-items: center;
  gap: 16px;
}

.info-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.info-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.info-value {
  font-size: 1rem;
}

.info-value a {
  color: var(--text);
}

.info-value a:hover {
  color: var(--accent-2);
}

.steps-card h3 {
  margin: 0 0 18px;
  font-size: 1.05rem;
}

.steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.steps-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps-list strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.steps-list p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.note-card {
  display: flex;
  gap: 10px;
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(124, 58, 237, 0.25);
}

.note-arrow {
  color: var(--accent-2);
  font-weight: 700;
}

.note-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

@media (max-width: 860px) {
  .contact-sidebar {
    order: -1;
  }
}

/* Footer */
.site-footer {
  position: relative;
  border-top: 1px solid var(--surface-border);
  padding: 48px 0 0;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 40px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .brand {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

.footer-cta {
  text-align: right;
}

.footer-cta-label {
  display: block;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--surface-border);
  padding: 24px 0;
}

.copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-note {
  font-weight: 600;
  font-size: 0.9rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (max-width: 640px) {
  .footer-top {
    flex-direction: column;
  }

  .footer-cta {
    text-align: left;
  }
}

/* Responsive */
@media (max-width: 860px) {
  .about-grid,
  .contact-wrap {
    grid-template-columns: 1fr;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    padding: 20px 24px;
    border-bottom: 1px solid var(--surface-border);
    gap: 18px;
  }

  .nav.open .nav-cta {
    display: inline-flex;
    position: absolute;
    top: calc(100% + 190px);
    left: 24px;
  }

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