:root {
  --bg-main: #05060a;
  --bg-elevated: #0c1016;
  --bg-elevated-alt: #10141c;
  --accent: #33e1ff;
  --accent-soft: rgba(51, 225, 255, 0.16);
  --text-main: #f5f7ff;
  --text-muted: #a3afc2;
  --border-subtle: #1a2333;
  --danger: #ff5c7a;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top, #0d1525 0, #05060a 55%);
  color: var(--text-main);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
}

/* Layout */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: radial-gradient(circle at top left, #141827 0, #080a10 55%);
}

.section-intro {
  max-width: 40rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  margin-bottom: 2rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(
      to bottom,
      rgba(5, 6, 10, 0.96),
      rgba(5, 6, 10, 0.86)
    )
    border-box;
  border-bottom: 1px solid rgba(51, 225, 255, 0.14);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-image {
  height: 1.7rem;
  width: auto;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link,
.nav-cta {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.nav-link:hover {
  background: rgba(21, 30, 50, 0.8);
  color: var(--text-main);
}

.nav-link--payment {
  border-radius: 999px;
  border: 1px solid rgba(51, 225, 255, 0.35);
  color: var(--accent);
  text-decoration: none;
}

.nav-link--payment:hover {
  background: rgba(51, 225, 255, 0.12);
  color: #f5fcff;
}

.nav-cta {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(51, 225, 255, 0.45);
}

.nav-cta:hover {
  background: rgba(51, 225, 255, 0.12);
  color: #f5fcff;
  transform: translateY(-1px);
}

/* Hero */

.hero {
  position: relative;
  padding: 6.5rem 0 4rem;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(51, 225, 255, 0.2) 0, transparent 50%),
    radial-gradient(circle at 90% 20%, rgba(51, 225, 255, 0.14) 0, transparent 45%);
  opacity: 0.7;
  pointer-events: none;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.2fr);
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2rem, 3vw + 1rem, 2.8rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.hero-subtitle {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hero-location {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding: 1.1rem;
  border-radius: 1.4rem;
  background: radial-gradient(circle at top left, #172137 0, #060811 60%);
  border: 1px solid rgba(51, 225, 255, 0.2);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.7),
    0 0 40px rgba(51, 225, 255, 0.12);
}

.hero-node {
  aspect-ratio: 4/3;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, #0a1220, #050812);
  border: 1px solid rgba(163, 175, 194, 0.18);
  position: relative;
  overflow: hidden;
}

.hero-node::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
    120deg,
    rgba(51, 225, 255, 0) 0,
    rgba(51, 225, 255, 0.3) 40%,
    rgba(51, 225, 255, 0) 80%
  );
  opacity: 0.4;
  transform: translateX(-40%);
}

.hero-node--accent {
  background: radial-gradient(circle at 20% 0%, #33e1ff, #050812 65%);
  border-color: rgba(51, 225, 255, 0.9);
}

.hero-caption {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Typography */

h1,
h2,
h3 {
  font-weight: 600;
}

h2 {
  font-size: 1.7rem;
  margin: 0 0 0.25rem;
}

/* Cards */

.cards {
  display: grid;
  gap: 1.5rem;
}

.cards-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.cards-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: radial-gradient(circle at top left, #181e30 0, #090b12 60%);
  border-radius: 1.1rem;
  border: 1px solid var(--border-subtle);
  padding: 1.4rem 1.4rem 1.3rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7);
}

.card h3 {
  margin-top: 0.2rem;
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
}

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

.card-icon {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.8rem;
  background: rgba(51, 225, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.card-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  fill: var(--accent);
}

/* Steps */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.4rem;
}

.step {
  background: radial-gradient(circle at top right, #141b2a 0, #090b13 60%);
  border-radius: 1.1rem;
  border: 1px solid var(--border-subtle);
  padding: 1.4rem 1.3rem;
}

.step-number {
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.section-cta {
  margin-top: 2rem;
  text-align: center;
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.4fr);
  gap: 2rem;
  align-items: flex-start;
}

.about-main {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.about-photo-wrapper {
  margin-top: 0.5rem;
  max-width: 260px;
}

.about-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1rem;
  border: 1px solid rgba(51, 225, 255, 0.35);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.85),
    0 0 34px rgba(51, 225, 255, 0.4);
}

.about-aside {
  background: radial-gradient(circle at top left, #171d2c 0, #090b14 60%);
  border-radius: 1.1rem;
  border: 1px solid var(--border-subtle);
  padding: 1.3rem 1.5rem;
}

/* FAQ */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.faq-item {
  border-radius: 0.9rem;
  background: #080c13;
  border: 1px solid var(--border-subtle);
  padding: 0.8rem 1rem;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 500;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "▾";
  float: right;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.faq-item[open] summary::after {
  content: "▴";
}

.faq-item p {
  margin: 0.5rem 0 0.2rem;
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* Contact / Form */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
  gap: 2.2rem;
  align-items: flex-start;
}

.contact-highlights {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-form {
  background: #05070c;
  border-radius: 1.1rem;
  padding: 1.5rem 1.4rem 1.3rem;
  border: 1px solid rgba(51, 225, 255, 0.28);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.85),
    0 0 40px rgba(51, 225, 255, 0.18);
}

.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.95rem;
}

.form-row label {
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.required {
  color: var(--danger);
  margin-left: 0.15rem;
}

.optional {
  color: var(--text-muted);
  font-size: 0.8rem;
}

input,
textarea {
  background: #05070c;
  border-radius: 0.6rem;
  border: 1px solid var(--border-subtle);
  padding: 0.55rem 0.7rem;
  color: var(--text-main);
  font: inherit;
  outline: none;
  transition: border 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

input:focus,
textarea:focus {
  border-color: rgba(51, 225, 255, 0.8);
  box-shadow: 0 0 0 1px rgba(51, 225, 255, 0.4);
  background: #050811;
}

textarea {
  resize: vertical;
  min-height: 90px;
}

.btn {
  border-radius: 999px;
  border: none;
  font: inherit;
  cursor: pointer;
  padding: 0.7rem 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  transition: transform 0.1s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #33e1ff, #19a8ff);
  color: #020308;
  font-weight: 600;
  box-shadow:
    0 14px 30px rgba(9, 176, 255, 0.55),
    0 0 30px rgba(51, 225, 255, 0.45);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 18px 40px rgba(9, 176, 255, 0.7),
    0 0 34px rgba(51, 225, 255, 0.6);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow:
    0 8px 18px rgba(9, 176, 255, 0.55),
    0 0 24px rgba(51, 225, 255, 0.5);
}

.btn-full {
  width: 100%;
  margin-top: 0.3rem;
}

.form-status {
  min-height: 1.2rem;
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.form-status--error {
  color: var(--danger);
}

.form-status--success {
  color: #26e29a;
}

.form-note {
  margin-top: 0.2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.3rem 0;
  background: #04050a;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-domain {
  color: rgba(51, 225, 255, 0.75);
}

/* Responsiveness */

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    order: -1;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .header-content {
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    row-gap: 0.35rem;
  }

  .hero {
    padding-top: 4.2rem;
  }

  .section {
    padding: 3.25rem 0;
  }

  .footer-content {
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-start;
  }
}