/* ═══════════════════════════════════════════════════
   CROSSHILL DESIGN — screen.css
   ═══════════════════════════════════════════════════ */

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

:root {
  --teal: #4A9E9E;
  --teal-light: #5BBCBC;
  --teal-dim: #3A7D7D;
  --dark: #0E0E0E;
  --dark-card: #161616;
  --dark-border: #222222;
  --off-white: #E8E6E1;
  --mid-gray: #888880;
  --light-gray: #B0AFA8;
  --font-body: 'DM Sans', sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--dark);
  color: var(--off-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── GRAIN OVERLAY ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  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)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

a { color: var(--teal-light); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--off-white); }


/* ═══════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════ */
.section { padding: 100px 24px; }
.container { max-width: 960px; margin: 0 auto; }


/* ═══════════════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(14,14,14,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: padding 0.3s;
}
nav.scrolled { padding: 14px 32px; }

.nav-logo img { height: 32px; display: block; }

.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  color: var(--mid-gray);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--off-white); }
.nav-links a.cta-link { color: var(--teal-light); }
.nav-links a.cta-link:hover { color: var(--off-white); }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--off-white);
  margin: 5px 0;
  transition: all 0.3s;
}


/* ═══════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 100px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(74,158,158,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }

.hero-logo {
  width: 280px;
  margin: 0 auto 48px;
  opacity: 0;
  animation: fadeUp 1s ease forwards;
}
.hero-logo img { width: 100%; display: block; }

.hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.2;
  color: var(--off-white);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 1s ease 0.15s forwards;
}
.hero h1 em {
  font-style: italic;
  color: var(--teal-light);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--mid-gray);
  max-width: 480px;
  margin: 0 auto 40px;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 1s ease 0.3s forwards;
}

.hero-cta {
  display: inline-block;
  padding: 14px 36px;
  border: 1px solid var(--teal-dim);
  color: var(--teal-light);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.4s;
  opacity: 0;
  animation: fadeUp 1s ease 0.45s forwards;
}
.hero-cta:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--dark);
}


/* ═══════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════ */
.about { background: var(--dark); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
  font-weight: 500;
}

.about h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 24px;
}
.about h2 em { font-style: italic; color: var(--teal-light); }

.about p {
  color: var(--light-gray);
  font-size: 0.95rem;
  font-weight: 300;
  margin-bottom: 16px;
}

/* ── Stats Stack ── */
.stats-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.stat-block {
  padding: 28px 0;
  border-bottom: 1px solid var(--dark-border);
}
.stat-block:first-child {
  padding-top: 0;
}
.stat-block:last-child {
  border-bottom: none;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--teal-light);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--mid-gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 8px;
}


/* ═══════════════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════════════ */
.services { background: var(--dark-card); }

.section-header { text-align: center; margin-bottom: 64px; }
.section-header .about-label { margin-bottom: 16px; }
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
}
.section-header h2 em { font-style: italic; color: var(--teal-light); }

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

.service-card {
  background: var(--dark);
  border: 1px solid var(--dark-border);
  padding: 40px 36px;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}
.service-card:hover { border-color: var(--teal-dim); }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 40px; height: 40px;
  margin-bottom: 24px;
  color: var(--teal);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 12px;
}
.service-card p {
  color: var(--mid-gray);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.7;
}


/* ═══════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════ */
.contact { background: var(--dark); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 400;
  margin-bottom: 16px;
}
.contact h2 em { font-style: italic; color: var(--teal-light); }

.contact > .container > .contact-grid > div:first-child > p {
  color: var(--mid-gray);
  font-size: 0.92rem;
  font-weight: 300;
  margin-bottom: 40px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-detail svg {
  width: 18px; height: 18px;
  color: var(--teal);
  flex-shrink: 0;
}
.contact-detail span {
  color: var(--light-gray);
  font-size: 0.9rem;
  font-weight: 300;
}
.contact-detail a { color: var(--light-gray); }
.contact-detail a:hover { color: var(--teal-light); }

/* ── Honeypot (hidden from humans) ── */
.form-hp {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ── Form ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}
.form-group { position: relative; }
.form-group label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 8px;
  font-weight: 500;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  color: var(--off-white);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 300;
  transition: border-color 0.3s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--teal-dim);
}
.form-group textarea { resize: vertical; min-height: 120px; }

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

.submit-btn {
  padding: 14px 36px;
  background: transparent;
  border: 1px solid var(--teal-dim);
  color: var(--teal-light);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.4s;
  align-self: flex-start;
}
.submit-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--dark);
}

#formStatus {
  font-size: 0.85rem;
  color: var(--teal-light);
  display: none;
}
#formStatus.error {
  color: #cc6666;
}
#formStatus.success {
  color: var(--teal-light);
}

/* ── Thank You Message ── */
.thank-you {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
  animation: fadeUp 0.6s ease forwards;
}
.thank-you-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  color: var(--teal-light);
}
.thank-you-icon svg {
  width: 100%;
  height: 100%;
}
.thank-you h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  color: var(--off-white);
  margin-bottom: 10px;
}
.thank-you p {
  font-size: 1rem;
  color: var(--mid-gray);
  font-weight: 300;
}


/* ═══════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════ */
footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid var(--dark-border);
}
footer p {
  font-size: 0.78rem;
  color: var(--mid-gray);
  font-weight: 300;
  letter-spacing: 0.04em;
}


/* ═══════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(14,14,14,0.96);
    backdrop-filter: blur(20px);
    padding: 24px 32px;
    gap: 20px;
    border-bottom: 1px solid var(--dark-border);
  }
  .mobile-toggle { display: block; }

  .about-grid,
  .services-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { gap: 48px; }
  .contact-grid { gap: 48px; }
  .services-grid { gap: 16px; }
  .service-card { padding: 32px 28px; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 72px 20px; }
  .hero { padding: 120px 20px 80px; }
  .hero-logo { width: 220px; margin-bottom: 36px; }
}

@media (max-width: 480px) {
  .hero-logo { width: 180px; }
}