/* ==========================================================================
   ARX AETHER — arxaether.com
   Boutique Cybersecurity Consultancy
   Black + Gold | Single Page | Static Deploy on Cloudflare Pages
   ========================================================================== */

/* --- CSS Variables --- */
:root {
  --black: #050505;
  --black-light: #0c0c0c;
  --gold: #C8A84E;
  --gold-light: #D4B85A;
  --gold-dim: rgba(200, 168, 78, 0.15);
  --gold-rule: rgba(200, 168, 78, 0.3);
  --text-primary: #E8E4DC;
  --text-secondary: #9A9590;
  --text-muted: #6A6560;
  --font-display: 'Cormorant', Georgia, 'Times New Roman', serif;
  --font-body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

html {
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--black);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* --- Font Faces (self-hosted) --- */
/* Cormorant — Display/Heading */
@font-face {
  font-family: 'Cormorant';
  src: url('./fonts/Cormorant-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Cormorant';
  src: url('./fonts/Cormorant-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Cormorant';
  src: url('./fonts/Cormorant-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* DM Sans — Body */
@font-face {
  font-family: 'DM Sans';
  src: url('./fonts/DMSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('./fonts/DMSans-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  background: linear-gradient(to bottom, rgba(5, 5, 5, 0.95) 0%, rgba(5, 5, 5, 0) 100%);
  pointer-events: none;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  pointer-events: auto;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  pointer-events: auto;
  transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--gold);
}

/* --- Sections (full viewport, scroll-snap) --- */
.section {
  min-height: 100vh;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 3rem;
  position: relative;
}

/* --- Hero Section --- */
.hero {
  text-align: center;
}

.hero-wordmark {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 2rem;
  line-height: 1.1;
}

.hero-rule {
  width: 60px;
  height: 1px;
  background-color: var(--gold);
  border: none;
  margin: 0 auto 2rem auto;
}

.hero-tagline {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero-sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 3.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
}

.scroll-indicator-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold-rule), transparent);
  animation: pulse-down 2s ease-in-out infinite;
}

@keyframes pulse-down {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* --- About Section --- */
.about {
  text-align: center;
  background-color: var(--black-light);
}

.section-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2.5rem;
}

.about-text {
  max-width: 680px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  line-height: 1.8;
  color: var(--text-primary);
}

/* --- Services Section --- */
.services {
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  max-width: 900px;
  width: 100%;
  margin-top: 1rem;
  background-color: var(--gold-rule);
}

.service-card {
  background-color: var(--black);
  padding: 3rem 2.5rem;
  text-align: left;
  transition: background-color 0.4s ease;
}

.service-card:hover {
  background-color: var(--black-light);
}

.service-number {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.service-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.service-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* --- Contact Section --- */
.contact {
  text-align: center;
  background-color: var(--black-light);
}

.contact-heading {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.contact-rule {
  width: 40px;
  height: 1px;
  background-color: var(--gold);
  border: none;
  margin: 0 auto 2rem auto;
}

.contact-email {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  letter-spacing: 0.15em;
  color: var(--gold);
  text-decoration: none;
  transition: color 0.3s ease;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.contact-email:hover,
.contact-email:focus {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 2rem 3rem;
  background-color: var(--black-light);
  border-top: 1px solid rgba(200, 168, 78, 0.08);
}

.footer-text {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav {
    padding: 1.25rem 1.5rem;
  }

  .nav-links {
    gap: 1.5rem;
  }

  .nav-links a {
    font-size: 0.65rem;
  }

  .section {
    padding: 5rem 1.5rem;
  }

  .hero-wordmark {
    letter-spacing: 0.25em;
  }

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

  .service-card {
    padding: 2.25rem 1.75rem;
  }
}

@media (max-width: 480px) {
  .nav {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(5, 5, 5, 0.97);
  }

  .nav-links {
    gap: 1.25rem;
  }

  .hero-sub {
    font-size: 0.7rem;
  }

  .scroll-indicator {
    display: none;
  }
}