/* ============================================
   STUDIO ARTIFICE — studioartifice.com
   Dark editorial. Uppercase-dominant.
   Helvetica Now Display + Fragment Mono
   ============================================ */

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

/* --- TOKENS --- */
:root {
  --bg: #000000;
  --surface: #0d0d0d;
  --surface-elevated: #1c1c1c;
  --text-primary: #fcfaf5;
  --text-secondary: #808080;
  --text-muted: #a6a6a6;
  --accent: #0099ff;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.2);
  --radius-sm: 6px;
  --radius-md: 12px;
  --font-display: 'Helvetica Now Display', 'Inter', -apple-system, sans-serif;
  --font-mono: 'Fragment Mono', monospace;
  --tracking-tight: -0.02em;
  --tracking-body: -0.01em;
}

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

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: var(--tracking-body);
  overflow-x: hidden;
}

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

::selection {
  background: var(--accent);
  color: var(--bg);
}

/* --- NAV --- */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  z-index: 100;
  transition: background 0.3s, border-color 0.3s;
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.85);
  border-color: var(--border-hover);
}

.nav-mark {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-cta {
  padding: 8px 20px;
  background: var(--text-primary);
  color: var(--bg) !important;
  border-radius: 100px;
  font-family: var(--font-mono) !important;
  font-size: 10px !important;
  letter-spacing: 0.08em;
  transition: opacity 0.2s;
}

.nav-cta:hover {
  opacity: 0.85;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:first-child {
  transform: rotate(45deg) translate(2px, 2px);
}

.nav-toggle.active span:last-child {
  transform: rotate(-45deg) translate(2px, -2px);
}

/* --- MOBILE MENU --- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 40px;
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-link {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
}

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(0, 153, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 32px;
  text-transform: uppercase;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(42px, 8vw, 80px);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-sub {
  font-family: var(--font-display);
  font-size: clamp(16px, 2.2vw, 20px);
  line-height: 1.6;
  color: var(--text-muted);
  letter-spacing: var(--tracking-body);
  margin-bottom: 48px;
}

.hero-cta {
  display: inline-block;
  padding: 16px 40px;
  background: var(--text-primary);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 100px;
  transition: opacity 0.2s, transform 0.2s;
}

.hero-cta:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-indicator {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-secondary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* --- TICKER --- */
.ticker {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  overflow: hidden;
  position: relative;
}

.ticker::before,
.ticker::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.ticker::before {
  left: 0;
  background: linear-gradient(to right, var(--bg), transparent);
}

.ticker::after {
  right: 0;
  background: linear-gradient(to left, var(--bg), transparent);
}

.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: tickerScroll 30s linear infinite;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- SECTIONS --- */
.section-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
}

.section-label {
  padding-top: 4px;
}

.label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  line-height: 1.15;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.body-text {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 560px;
}

.body-text--secondary {
  margin-top: 32px;
}

/* --- METHOD --- */
.method {
  padding: 120px 0;
}

.method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 48px 0;
}

.method-card {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s;
}

.method-card:hover {
  border-color: var(--border-hover);
}

.card-label {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.card-mode {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.card-desc {
  font-family: var(--font-display);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* --- SERVICES --- */
.services {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.services-list {
  max-width: 1200px;
  margin: 48px auto 0;
  padding: 0 24px;
}

.service-item {
  display: grid;
  grid-template-columns: 60px 1fr 40px;
  gap: 24px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
  cursor: pointer;
}

.service-item:first-child {
  border-top: 1px solid var(--border);
}

.service-item:hover {
  border-color: var(--border-hover);
}

.service-item:hover .service-arrow {
  color: var(--text-primary);
  transform: translateX(4px);
}

.service-number {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  padding-top: 4px;
}

.service-name {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.service-desc {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 16px;
}

.service-meta {
  display: flex;
  gap: 12px;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  text-transform: uppercase;
}

.service-arrow {
  font-size: 20px;
  color: var(--text-secondary);
  padding-top: 4px;
  transition: color 0.2s, transform 0.2s;
}

/* --- CLIENTS --- */
.clients {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.client-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.client-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  padding: 10px 20px;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  text-transform: uppercase;
}

/* --- CONTACT --- */
.contact {
  padding: 120px 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.contact-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
  text-transform: uppercase;
  margin: 32px 0 24px;
}

.contact .body-text {
  margin-bottom: 40px;
}

.contact-email {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 32px);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--accent);
  transition: opacity 0.2s;
}

.contact-email:hover {
  opacity: 0.7;
}

.contact-details {
  display: flex;
  gap: 80px;
  margin-top: 64px;
}

.contact-detail .card-label {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.contact-detail .body-text {
  font-size: 14px;
}

.social-links {
  display: flex;
  gap: 24px;
}

.social-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  transition: color 0.2s;
}

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

/* --- FOOTER --- */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-mark {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.footer-legal {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .section-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .service-item {
    grid-template-columns: 40px 1fr 30px;
    gap: 16px;
  }

  .contact-details {
    flex-direction: column;
    gap: 32px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

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

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .hero-headline {
    font-size: 36px;
  }

  .service-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .service-number {
    font-size: 10px;
  }

  .service-arrow {
    display: none;
  }

  .client-tags {
    gap: 8px;
  }

  .client-tag {
    font-size: 10px;
    padding: 8px 16px;
  }
}