/* ─── Fonts ─── */
@font-face {
  font-family: 'Nexa';
  src: url('assets/Nexa.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}

/* ─── Custom Properties ─── */
:root {
  --bg: #0d0d0d;
  --surface: #1a1a1a;
  --accent: #00e5ff;
  --text: #f0f0f0;
  --text-muted: #888;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-hero: clamp(2rem, 5vw, 3.5rem);

  --max-width: 960px;
  --padding-x: 1.5rem;
}

/* ─── Reset ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

/* ─── Layout ─── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding-x);
}

/* ─── Header ─── */
header {
  padding: 1.5rem 0;
  border-bottom: 1px solid #222;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-symbol {
  height: 48px;
  width: auto;
}

.logo-text {
  font-family: 'Nexa', var(--font-sans);
  font-size: 1.75rem;
  font-weight: normal;
  letter-spacing: 0.12em;
  color: var(--text);
  text-transform: uppercase;
  line-height: 1;
}

/* ─── Hero ─── */
#hero {
  padding: 8rem 0 7rem;
}

#hero h1 {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 820px;
  margin-bottom: 1.5rem;
}

.subline {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.cta {
  display: inline-flex;
  align-items: center;
  background-color: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: var(--text-base);
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  text-decoration: none;
  letter-spacing: 0.01em;
  min-height: 44px;
  transition: opacity 0.15s ease;
}

.cta:hover {
  opacity: 0.85;
}

/* ─── How We Work ─── */
#how-we-work {
  padding: 6rem 0;
  background-color: var(--surface);
}

#how-we-work h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 3rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.step {
  padding-top: 1.25rem;
  border-top: 2px solid var(--accent);
}

.step-number {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.step h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.75;
}

/* ─── Contact ─── */
#contact {
  padding: 7rem 0;
}

#contact h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.contact-intro {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.email-link {
  display: inline-block;
  color: var(--accent);
  font-size: var(--text-xl);
  font-weight: 500;
  text-decoration: none;
  letter-spacing: -0.01em;
  border-bottom: 1px solid transparent;
  min-height: 44px;
  line-height: 44px;
  transition: border-color 0.15s ease;
}

.email-link:hover {
  border-bottom-color: var(--accent);
}

/* ─── Footer ─── */
footer {
  padding: 2rem 0;
  border-top: 1px solid #222;
}

.footer-copy {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ─── Responsive ─── */
@media (max-width: 767px) {
  #hero {
    padding: 5rem 0 4rem;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  #how-we-work {
    padding: 4rem 0;
  }

  #contact {
    padding: 5rem 0;
  }

  .email-link {
    font-size: var(--text-lg);
  }
}