@import url('https://fonts.googleapis.com/css2?family=Questrial&display=swap');
@import url('https://fonts.cdnfonts.com/css/aileron');

:root {
  --font-display: 'Questrial', sans-serif;
  --font-body: 'Aileron', sans-serif;

  --color-dark: #0a1f2d;
  --color-light: #f8f4ed;
  --color-gold: #bfa76f;
  --color-gold-hover: #d4bd80;
  --color-green: #5e7c6a;
  --color-neutral: #a9a9a9;
  --color-dark-surface: #142533;
  --color-dark-elevated: #1a3041;
  --color-light-muted: #ede8df;

  --border-subtle-dark: 1px solid rgba(255, 255, 255, 0.08);
  --border-subtle-light: 1px solid rgba(10, 31, 45, 0.08);

  --max-width: 1280px;
  --section-padding-y: 120px;
  --section-padding-x: 48px;
  --header-height: 80px;

  --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-light);
  background: var(--color-dark);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
}

h1 {
  font-size: clamp(40px, 7vw, 88px);
  letter-spacing: -0.02em;
  line-height: 1.05;
}

h2 {
  font-size: clamp(32px, 4.5vw, 56px);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

h3 {
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.3;
}

h4 {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

p {
  font-size: 16px;
  line-height: 1.7;
}

.overline {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-gold);
  margin-bottom: 24px;
  display: inline-block;
}

.overline-green {
  color: var(--color-green);
}

.body-large {
  font-size: 18px;
  line-height: 1.7;
}

.caption {
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-neutral);
}

.section {
  padding: var(--section-padding-y) var(--section-padding-x);
  position: relative;
}

.section-dark {
  background: var(--color-dark);
  color: var(--color-light);
}

.section-light {
  background: var(--color-light);
  color: var(--color-dark);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 18px 32px;
  border-radius: 4px;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-dark);
}

.btn-primary:hover {
  background: var(--color-gold-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--color-light);
  color: var(--color-light);
}

.btn-secondary:hover {
  background: var(--color-light);
  color: var(--color-dark);
}

.btn-secondary-dark {
  background: transparent;
  border: 1.5px solid var(--color-dark);
  color: var(--color-dark);
}

.btn-secondary-dark:hover {
  background: var(--color-dark);
  color: var(--color-light);
}

.btn-arrow::after {
  content: '→';
  font-size: 16px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow::after,
.btn-arrow:hover::after {
  transform: translateX(4px);
}

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 800ms cubic-bezier(0.4, 0, 0.2, 1), transform 800ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate-delay="100"] { transition-delay: 100ms; }
[data-animate-delay="200"] { transition-delay: 200ms; }
[data-animate-delay="300"] { transition-delay: 300ms; }
[data-animate-delay="400"] { transition-delay: 400ms; }
[data-animate-delay="500"] { transition-delay: 500ms; }

::selection {
  background: var(--color-gold);
  color: var(--color-dark);
}

@media (max-width: 768px) {
  :root {
    --section-padding-y: 80px;
    --section-padding-x: 24px;
  }
  h1 { font-size: clamp(36px, 10vw, 64px); }
  h2 { font-size: clamp(28px, 7vw, 40px); }
}