/* ============================================================
   LYTHOS GEO — Main Stylesheet
   Colors: Abyss Slate #1C2B35 | Gunmetal #2A404F | Quarry #3D5A6A
           Electric Teal #00D4CC | Frost #C8D8DC
   Font: Exo 2 (Google Fonts)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;600;700&display=swap');

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

:root {
  --slate-abyss:    #1C2B35;
  --slate-gunmetal: #2A404F;
  --slate-quarry:   #3D5A6A;
  --teal:           #00D4CC;
  --teal-dark:      #00A89F;
  --frost:          #C8D8DC;
  --frost-light:    #F2F5F6;
  --white:          #FFFFFF;
  --font:           'Exo 2', Arial, sans-serif;
  --radius:         4px;
  --max-w:          1160px;
  --transition:     0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  color: var(--slate-abyss);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

/* ── NAVIGATION ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--slate-abyss);
  border-bottom: 1px solid var(--slate-gunmetal);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 60px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--frost);
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active { color: var(--teal); }

.nav-cta {
  background: var(--teal);
  color: var(--slate-abyss) !important;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-weight: 700 !important;
  letter-spacing: 0.06em;
  transition: background var(--transition) !important;
}

.nav-cta:hover { background: var(--teal-dark) !important; color: var(--white) !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--frost);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  background: var(--slate-abyss);
  padding: 140px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/fabric.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}

.hero-inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-eyebrow {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--teal);
}

.hero-h1 {
  font-size: clamp(44px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--frost);
  margin-bottom: 24px;
}

.hero-h1 em {
  font-style: normal;
  color: var(--teal);
}

.hero-sub {
  font-size: 17px;
  font-weight: 300;
  color: #C8D8DC;
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--teal);
  color: var(--slate-abyss);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid var(--teal);
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--frost);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid var(--slate-quarry);
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.btn-outline:hover {
  border-color: var(--frost);
  color: var(--white);
}

.hero-icon {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-icon svg {
  width: 280px;
  height: 280px;
  opacity: 0.15;
}

/* ── TRUST BAR ──────────────────────────────────────────── */
.trust-bar {
  background: var(--slate-gunmetal);
  padding: 18px 0;
  border-top: 1px solid var(--slate-quarry);
  border-bottom: 1px solid var(--slate-quarry);
}

.trust-bar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--frost);
}

.trust-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

/* ── SECTION SHARED ─────────────────────────────────────── */
.section { padding: 96px 0; }
.section-alt { background: var(--frost-light); }
.section-dark { background: var(--slate-abyss); }

.section-eyebrow {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

.section-h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--slate-abyss);
  margin-bottom: 16px;
}

.section-dark .section-h2 { color: var(--frost); }

.section-lead {
  font-size: 17px;
  font-weight: 300;
  color: var(--slate-quarry);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.section-dark .section-lead { color: #6FA3C8; }

/* ── PRODUCTS GRID ──────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid #dce8ec;
  border-radius: 8px;
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--teal);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(28,43,53,0.12);
}

.product-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  color: var(--teal);
  display: block;
}

.product-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-abyss);
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}

.product-desc {
  font-size: 14px;
  color: var(--slate-quarry);
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-specs {
  list-style: none;
  margin-bottom: 24px;
  text-align: left;
}

.product-specs li {
  font-size: 13px;
  color: var(--slate-quarry);
  padding: 5px 0;
  border-bottom: 1px solid var(--frost-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-specs li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

.product-link {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.product-link:hover { gap: 10px; }

/* ── WHY LYTHOS ─────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-points { display: flex; flex-direction: column; gap: 32px; }

.why-point {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
}

.why-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--teal);
  padding-top: 4px;
}

.why-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--frost);
  margin-bottom: 6px;
}

.why-text {
  font-size: 14px;
  color: #6FA3C8;
  line-height: 1.7;
}

.why-visual {
  background: var(--slate-gunmetal);
  border-radius: 8px;
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.why-stat {
  padding: 20px 24px;
  background: var(--slate-abyss);
  border-radius: 6px;
  border-left: 3px solid var(--teal);
}

.why-stat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 4px;
}

.why-stat-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--frost);
  opacity: 0.7;
}

/* ── CTA SECTION ────────────────────────────────────────── */
.cta-section {
  background: var(--slate-gunmetal);
  padding: 80px 0;
  text-align: center;
}

.cta-section .section-h2 { color: var(--frost); margin-bottom: 12px; }
.cta-sub {
  font-size: 16px;
  color: #6FA3C8;
  margin-bottom: 36px;
}

.cta-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 540px;
  margin: 0 auto;
}

.cta-input {
  flex: 1;
  min-width: 200px;
  background: var(--slate-abyss);
  border: 1px solid var(--slate-quarry);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--frost);
  outline: none;
  transition: border-color var(--transition);
}

.cta-input::placeholder { color: var(--slate-quarry); }
.cta-input:focus { border-color: var(--teal); }

/* ── FOOTER ─────────────────────────────────────────────── */
.footer {
  background: #111D25;
  padding: 48px 0 32px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-logo img { height: 64px; margin-bottom: 14px; }

.footer-tagline {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--frost);
  margin-bottom: 16px;
  opacity: 0.8;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
  font-size: 16px;
  color: #6FA3C8;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--teal); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 16px;
  color: #6FA3C8;
  margin-bottom: 10px;
}

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px 32px 0;
  border-top: 1px solid var(--slate-gunmetal);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy { font-size: 14px; color: var(--slate-quarry); }
.footer-copy a { color: var(--teal); }

/* ── PAGE HERO (inner pages) ────────────────────────────── */
.page-hero {
  background: var(--slate-abyss);
  padding: 140px 0 72px;
  border-bottom: 1px solid var(--slate-gunmetal);
}

.page-hero .section-eyebrow { margin-bottom: 12px; }

.page-hero-h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  color: var(--frost);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.page-hero-sub {
  font-size: 17px;
  font-weight: 300;
  color: var(--frost);
  max-width: 520px;
  line-height: 1.7;
}

/* ── PRODUCTS PAGE ──────────────────────────────────────── */
.products-full { display: flex; flex-direction: column; gap: 80px; }

.product-full-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  padding-bottom: 80px;
  border-bottom: 1px solid #dce8ec;
}

.product-full-card:last-child { border-bottom: none; padding-bottom: 0; }

.product-full-card.reverse { direction: rtl; }
.product-full-card.reverse > * { direction: ltr; }

.product-full-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(0,212,204,0.08);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.product-full-name {
  font-size: 40px;
  font-weight: 700;
  color: var(--slate-abyss);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.product-full-desc {
  font-size: 16px;
  color: var(--slate-quarry);
  line-height: 1.75;
  margin-bottom: 28px;
}

.product-full-specs {
  background: var(--frost-light);
  border-radius: 8px;
  padding: 24px;
}

.product-full-specs h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--slate-quarry);
  margin-bottom: 14px;
}

.spec-table { width: 100%; border-collapse: collapse; }

.spec-table td {
  padding: 8px 0;
  font-size: 13px;
  border-bottom: 1px solid #dce8ec;
}

.spec-table td:first-child {
  color: var(--slate-quarry);
  font-weight: 600;
  width: 40%;
}

.spec-table td:last-child { color: var(--slate-abyss); }

.product-image-wrap {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.product-image-wrap:hover .product-img {
  transform: scale(1.03);
}

/* ── ABOUT PAGE ─────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-body {
  font-size: 16px;
  color: var(--slate-quarry);
  line-height: 1.8;
}

.about-body p { margin-bottom: 20px; }

.about-values { display: flex; flex-direction: column; gap: 24px; }

.about-value {
  padding: 24px;
  background: var(--frost-light);
  border-radius: 8px;
  border-left: 3px solid var(--teal);
}

.about-value-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--slate-abyss);
  margin-bottom: 6px;
}

.about-value-text {
  font-size: 14px;
  color: var(--slate-quarry);
  line-height: 1.65;
}

.service-area {
  background: var(--slate-abyss);
  border-radius: 8px;
  padding: 36px;
  margin-top: 40px;
}

.service-area-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}

.service-area-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.service-area-list li {
  font-size: 13px;
  color: var(--frost);
  background: var(--slate-gunmetal);
  padding: 6px 14px;
  border-radius: 20px;
}

/* ── CONTACT PAGE ───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 28px; }

.contact-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-info-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}

.contact-info-value {
  font-size: 16px;
  color: var(--slate-abyss);
  font-weight: 600;
}

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

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-quarry);
}

.form-input,
.form-select,
.form-textarea {
  font-family: var(--font);
  font-size: 15px;
  color: var(--slate-abyss);
  background: var(--frost-light);
  border: 1.5px solid #dce8ec;
  border-radius: var(--radius);
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-color: var(--teal); background: var(--white); }

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

.form-submit {
  align-self: flex-start;
  background: var(--teal);
  color: var(--slate-abyss);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 36px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition);
}

.form-submit:hover { background: var(--teal-dark); color: var(--white); }

.form-note {
  font-size: 12px;
  color: var(--slate-quarry);
  margin-top: -8px;
}

/* ── MOBILE NAV ─────────────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--slate-abyss);
  border-bottom: 1px solid var(--slate-gunmetal);
  padding: 24px 32px;
  z-index: 99;
  flex-direction: column;
  gap: 20px;
}

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

.mobile-nav a {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--frost);
  text-transform: uppercase;
}

.mobile-nav a:hover { color: var(--teal); }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-icon { display: none; }
  .products-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .product-full-card { grid-template-columns: 1fr; }
  .product-full-card.reverse { direction: ltr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .trust-bar-inner { gap: 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 0 20px; }
  .hero { padding: 120px 0 60px; }
  .hero-inner { padding: 0 20px; }
  .section { padding: 64px 0; }
  .hero-buttons { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; }
}