/* ========================================
   CRIMSON EDGE TECH
   Aesthetic: Cinematic Noir / Surgical Precision
   Fonts: Syne (display) + DM Mono (body/accents)
   ======================================== */

:root {
  --crimson: #dc2626;
  --crimson-bright: #ef4444;
  --crimson-glow: rgba(220, 38, 38, 0.12);
  --crimson-glow-strong: rgba(220, 38, 38, 0.25);
  --bg-void: #060608;
  --bg-primary: #0a0a0d;
  --bg-elevated: #0f0f13;
  --bg-card: #111116;
  --bg-card-hover: #17171d;
  --text-primary: #e8e8ec;
  --text-secondary: #7a7a88;
  --text-muted: #44444e;
  --border: #1a1a22;
  --border-hover: #2a2a35;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-display);
  background: var(--bg-void);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.mono {
  font-family: var(--font-mono);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.text-crimson {
  color: var(--crimson);
}

/* ========================================
   GRAIN OVERLAY
   ======================================== */

.grain {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  animation: grainShift 0.5s steps(3) infinite;
}

@keyframes grainShift {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(-2px, 1px); }
  66% { transform: translate(1px, -1px); }
}

/* ========================================
   DIAGONAL SLASH DECORATION
   ======================================== */

.slash-deco {
  position: fixed;
  top: -20vh;
  right: -5vw;
  width: 1px;
  height: 140vh;
  background: linear-gradient(to bottom, transparent, var(--crimson), transparent);
  opacity: 0.08;
  transform: rotate(-20deg);
  pointer-events: none;
  z-index: 1;
}

/* ========================================
   NAV
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 24px 0;
  transition: all 0.4s var(--ease-out);
}

.nav::after {
  content: '';
  position: absolute;
  inset: 0;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(6, 6, 8, 0.7);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s;
}

.nav.scrolled {
  padding: 16px 0;
}

.nav.scrolled::after {
  opacity: 1;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
}

.logo-mark {
  color: var(--crimson);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1rem;
}

.logo-text {
  color: var(--text-muted);
}

.logo-accent {
  color: var(--text-primary);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  transition: color 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.nav-num {
  color: var(--crimson);
  font-size: 0.65rem;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-primary) !important;
  transition: all 0.3s var(--ease-out) !important;
}

.nav-cta:hover {
  border-color: var(--crimson) !important;
  background: var(--crimson-glow);
}

.cta-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--crimson);
  animation: ctaPulse 2s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--crimson-glow-strong); }
  50% { opacity: 0.6; box-shadow: 0 0 0 4px transparent; }
}

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  width: 32px;
}

.mobile-menu span {
  height: 1px;
  background: var(--text-primary);
  transition: all 0.3s var(--ease-out);
  display: block;
}

.mobile-menu span:first-child { width: 100%; }
.mobile-menu span:last-child { width: 60%; }

.mobile-menu:hover span:last-child { width: 100%; }

/* ========================================
   HERO
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 32px 80px;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--ease-out) 0.2s forwards;
}

.eyebrow-line {
  width: 40px;
  height: 1px;
  background: var(--crimson);
}

.eyebrow-text {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-title {
  margin-bottom: 56px;
}

.title-line {
  display: block;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  opacity: 0;
  transform: translateY(40px);
  animation: titleReveal 0.9s var(--ease-out) forwards;
}

.title-line[data-delay="0"] { animation-delay: 0.3s; }
.title-line[data-delay="1"] { animation-delay: 0.45s; }
.title-line[data-delay="2"] { animation-delay: 0.6s; }
.title-line[data-delay="3"] { animation-delay: 0.75s; }

.title-accent {
  color: var(--crimson);
  font-style: italic;
}

@keyframes titleReveal {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideUp {
  to { opacity: 1; transform: translateY(0); }
}

.hero-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--ease-out) 1s forwards;
}

.hero-sub {
  max-width: 400px;
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

/* Side text */
.hero-side-text {
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  z-index: 2;
  white-space: nowrap;
}

.hero-divider {
  width: 32px;
  height: 1px;
  background: var(--border);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.hero-scroll-indicator .mono {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
}

.scroll-track {
  width: 1px;
  height: 48px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}

.scroll-thumb {
  width: 100%;
  height: 16px;
  background: var(--crimson);
  position: absolute;
  top: -16px;
  animation: scrollDrop 2.5s var(--ease-in-out) infinite;
}

@keyframes scrollDrop {
  0% { top: -16px; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 48px; opacity: 0; }
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all 0.35s var(--ease-out);
  white-space: nowrap;
}

.btn-primary {
  background: var(--crimson);
  color: #fff;
  box-shadow: 0 0 0 0 var(--crimson-glow);
}

.btn-primary:hover {
  background: var(--crimson-bright);
  box-shadow: 0 4px 32px var(--crimson-glow-strong);
  transform: translateY(-2px);
}

.btn-primary svg {
  transition: transform 0.3s var(--ease-out);
}

.btn-primary:hover svg {
  transform: translateX(3px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ========================================
   SECTION HEADER
   ======================================== */

.section-header {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 64px;
}

.section-num {
  font-size: 0.7rem;
  color: var(--crimson);
  letter-spacing: 0.05em;
  padding-top: 12px;
  flex-shrink: 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

/* ========================================
   SERVICES
   ======================================== */

.services {
  padding: 140px 0;
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px;
  transition: all 0.5s var(--ease-out);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-6px);
}

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, var(--crimson-glow) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.service-card:hover .card-glow {
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.card-num {
  font-size: 0.7rem;
  color: var(--crimson);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.card-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.service-card h3 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.service-card > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 90%;
}

.service-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tags li {
  padding: 6px 14px;
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.3s;
}

.service-card:hover .service-tags li {
  border-color: var(--border-hover);
  color: var(--text-secondary);
}

/* ========================================
   MARQUEE
   ======================================== */

.marquee {
  padding: 24px 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 32px;
  animation: marqueeScroll 25s linear infinite;
  width: max-content;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.marquee-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--crimson);
  flex-shrink: 0;
}

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

/* ========================================
   ABOUT
   ======================================== */

.about {
  padding: 140px 0;
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 80px;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-text p:first-child {
  font-size: 1.15rem;
  color: var(--text-primary);
}

.about-metrics {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.metric {
  padding: 32px;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.metric:last-child {
  border-bottom: none;
}

.metric:hover {
  background: var(--bg-card);
}

.metric-value {
  display: flex;
  align-items: baseline;
}

.metric-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.metric-suffix {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--crimson);
  margin-left: 2px;
}

.metric-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

/* ========================================
   CONTACT
   ======================================== */

.contact {
  padding: 140px 0;
  position: relative;
  background: var(--bg-primary);
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s;
  font-size: 0.8rem;
}

.contact-link:hover {
  border-color: var(--border-hover);
  background: var(--bg-card);
}

.contact-link-label {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 0.88rem;
  font-family: var(--font-display);
  transition: all 0.3s var(--ease-out);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--crimson);
  box-shadow: 0 0 0 3px var(--crimson-glow), 0 8px 32px rgba(0, 0, 0, 0.3);
  background: var(--bg-elevated);
}

.form-group select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2344444e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  cursor: pointer;
  color: var(--text-muted);
}

.form-group select:valid {
  color: var(--text-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-left p {
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

.footer-nav {
  display: flex;
  gap: 28px;
}

.footer-nav a {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--text-secondary);
}

/* Hide reCAPTCHA v3 badge */
.grecaptcha-badge {
  visibility: hidden !important;
}

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal-stagger.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 6, 8, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 100px 32px 40px;
    gap: 24px;
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
    font-family: var(--font-display);
    font-weight: 600;
  }

  .nav-num {
    font-size: 0.8rem;
  }

  .mobile-menu {
    display: flex;
    z-index: 101;
  }

  .hero {
    padding: 120px 20px 60px;
  }

  .hero-side-text,
  .hero-scroll-indicator {
    display: none;
  }

  .hero-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .title-line {
    font-size: clamp(2rem, 10vw, 3.5rem);
  }

  .container {
    padding: 0 20px;
  }

  .service-card {
    padding: 32px;
  }

  .section-header {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 48px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer-left {
    flex-direction: column;
    gap: 12px;
  }

  .about-metrics {
    border-radius: 12px;
  }
}