/* ============================================================
   SKYLINE INTERNET — Shared Styles
   Colors: Warm Charcoal #2A2520 | Copper #B87333 | Linen #FAF8F5
   Fonts: Playfair Display (display) | Helvetica Neue (body/UI)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500&display=swap');

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

:root {
  --charcoal:   #2A2520;
  --charcoal-l: #352F2A;
  --copper:     #B87333;
  --copper-dk:  #9A5F28;
  --linen:      #FAF8F5;
  --linen-mid:  #EDE9E3;
  --muted:      #7A6E66;
  --serif:      'Playfair Display', Georgia, 'Libre Baskerville', serif;
  --sans:       'Helvetica Neue', Helvetica, Arial, sans-serif;
  --max-w:      1100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--linen);
  color: var(--charcoal);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.15; }

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

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 15px 38px;
  border-radius: 1px;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
  border: 1.5px solid transparent;
}
.btn-copper  { background: var(--copper);      color: #fff;           border-color: var(--copper); }
.btn-copper:hover { background: var(--copper-dk); border-color: var(--copper-dk); }
.btn-linen   { background: transparent; color: var(--linen);   border-color: rgba(250,248,245,0.45); }
.btn-linen:hover  { background: var(--linen); color: var(--charcoal); border-color: var(--linen); }
.btn-dark    { background: transparent; color: var(--charcoal); border-color: var(--charcoal); }
.btn-dark:hover   { background: var(--charcoal); color: var(--linen); }

/* ── Nav ───────────────────────────────────────────────────── */
nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--charcoal);
  border-bottom: 1px solid rgba(184,115,51,0.22);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo { display: flex; align-items: center; text-decoration: none; }

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 36px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250,248,245,0.55);
  transition: color 0.18s;
}
.nav-links a:hover, .nav-links a.current { color: var(--linen); }
.nav-links .nav-cross { border-left: 1px solid rgba(250,248,245,0.18); padding-left: 18px; }

.nav-right { display: flex; align-items: center; justify-content: flex-end; gap: 12px; min-width: 210px; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--linen); transition: all 0.2s; }

/* ── Eyebrow label ─────────────────────────────────────────── */
.eyebrow {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 20px;
}

/* ── Section scaffold ──────────────────────────────────────── */
.section     { padding: 96px 32px; }
.section-sm  { padding: 64px 32px; }
.section.tight-bottom { padding-bottom: 40px; }

.section-header { margin-bottom: 60px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-sub { margin: 0 auto; }

.section-title {
  font-size: clamp(28px, 3.8vw, 46px);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 540px;
}

/* Dark section variant */
.dark-section { background: var(--charcoal); color: var(--linen); }
.dark-section .section-title { color: var(--linen); }
.dark-section .section-sub   { color: rgba(250,248,245,0.62); }
.dark-section .eyebrow       { color: var(--copper); }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  background: var(--charcoal);
  color: var(--linen);
  padding: 112px 32px 100px;
}
.hero-content { max-width: var(--max-w); margin: 0 auto; }
.hero-center { text-align: center; }
.hero-center .hero-h1, .hero-center .hero-sub { margin-left: auto; margin-right: auto; }
.hero-center .hero-btns { justify-content: center; }

.hero-h1 {
  font-size: clamp(46px, 6.5vw, 88px);
  max-width: 720px;
  margin-bottom: 26px;
  line-height: 1.08;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: rgba(250,248,245,0.68);
  max-width: 520px;
  margin-bottom: 48px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Coverage band ─────────────────────────────────────────── */
.coverage-band {
  background: var(--linen-mid);
  padding: 26px 32px;
  border-bottom: 1px solid rgba(42,37,32,0.08);
}
.coverage-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
}
.coverage-lbl {
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.coverage-pills { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.pill {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--charcoal);
}
.pill svg {
  color: var(--copper);
  flex-shrink: 0;
}

/* ── Feature cards ─────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--linen-mid);
  border: 2px solid var(--linen-mid);
}
.feature-card {
  background: var(--linen);
  padding: 44px 36px;
}
.feature-icon {
  width: 34px;
  height: 34px;
  color: var(--copper);
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 19px; margin-bottom: 10px; }
.feature-card p  { font-size: 14.5px; color: var(--muted); line-height: 1.72; }

/* ── Comparison table ──────────────────────────────────────── */
.compare-wrap { overflow-x: auto; margin-top: 56px; }
.compare-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
}
.compare-table thead th {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 17px;
  padding: 14px 24px;
  text-align: left;
  border-bottom: 1.5px solid var(--copper);
}
.compare-table thead th:first-child { color: transparent; width: 150px; }
.compare-table thead th:nth-child(2) { color: rgba(250,248,245,0.4); }
.compare-table thead th:nth-child(3) { color: var(--copper); }
.compare-table tbody td {
  padding: 18px 24px;
  border-bottom: 1px solid rgba(250,248,245,0.07);
  vertical-align: top;
  font-size: 14.5px;
  line-height: 1.55;
}
.compare-table tbody td:first-child {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250,248,245,0.38);
  width: 150px;
  padding-top: 20px;
}
.compare-table tbody td:nth-child(2) { color: rgba(250,248,245,0.48); }
.compare-table tbody td:nth-child(3) { color: var(--linen); }

/* ── Pricing ───────────────────────────────────────────────── */
.pricing-center { display: flex; justify-content: center; margin-top: 60px; }
.pricing-card {
  background: var(--charcoal);
  color: var(--linen);
  padding: 60px 68px;
  min-width: 360px;
  text-align: center;
}
.price-big { font-family: var(--serif); font-size: 92px; line-height: 1; }
.price-per {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 6px 0 40px;
}
.price-list { list-style: none; text-align: left; margin-bottom: 40px; }
.price-list li {
  padding: 13px 0;
  border-bottom: 1px solid rgba(250,248,245,0.08);
  font-size: 14.5px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.price-list li::before { content: '—'; color: var(--copper); flex-shrink: 0; }

/* ── Stats band ────────────────────────────────────────────── */
.stats-band {
  background: var(--charcoal-l);
  padding: 72px 32px;
  border-top: 1px solid rgba(184,115,51,0.14);
}
.stats-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.stats-grid.two-up { grid-template-columns: repeat(2, 1fr); max-width: 560px; }
.stat-n { font-family: var(--serif); font-size: 52px; color: var(--linen); display: block; line-height: 1; margin-bottom: 10px; }
.stat-l { font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--copper); }

/* ── Developer: Value props ────────────────────────────────── */
.props-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--linen-mid);
  border: 2px solid var(--linen-mid);
  margin-top: 60px;
}
.prop-card { background: var(--linen); padding: 52px 44px; }
.prop-num {
  font-family: var(--serif);
  font-size: 52px;
  color: var(--copper);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 18px;
  display: block;
}
.prop-card h3 { font-size: 22px; margin-bottom: 12px; }
.prop-card p  { font-size: 15px; color: var(--muted); line-height: 1.72; }

/* ── Developer: ROI section ────────────────────────────────── */
.roi-section { background: var(--charcoal); color: var(--linen); padding: 96px 32px; }
.roi-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.roi-h2   { font-size: clamp(28px, 4vw, 46px); margin-bottom: 18px; }
.roi-body { font-size: 16px; color: rgba(250,248,245,0.62); line-height: 1.72; margin-bottom: 36px; }
.roi-nums { display: grid; grid-template-columns: 1fr 1fr; gap: 36px 24px; }
.roi-num  { text-align: center; padding: 28px 16px; background: rgba(250,248,245,0.04); }
.roi-big  { font-family: var(--serif); font-size: 40px; color: var(--linen); display: block; line-height: 1; margin-bottom: 10px; }
.roi-lbl  { font-size: 10.5px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--copper); line-height: 1.5; }

/* ── Developer: Tech overview ──────────────────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--linen-mid);
  border: 2px solid var(--linen-mid);
  margin-top: 60px;
}
.tech-card {
  background: var(--linen);
  padding: 36px 40px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.tech-icon { width: 30px; height: 30px; color: var(--copper); flex-shrink: 0; margin-top: 3px; }
.tech-card h4 { font-size: 16px; margin-bottom: 7px; }
.tech-card p  { font-size: 14px; color: var(--muted); line-height: 1.68; }

/* ── Contact form ──────────────────────────────────────────── */
.contact-section { background: var(--charcoal); color: var(--linen); padding: 96px 32px; }
.contact-section.compact { padding: 48px 32px 60px; }
.contact-section.compact .contact-h2 { margin-bottom: 12px; }
.contact-section.compact .contact-body { margin-bottom: 24px; }
.contact-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.65fr;
  gap: 80px;
  align-items: flex-start;
}
.contact-h2 { font-size: clamp(26px, 3.5vw, 40px); margin-bottom: 16px; }
.contact-body { font-size: 15.5px; color: rgba(250,248,245,0.62); line-height: 1.72; margin-bottom: 36px; }
.contact-meta { font-size: 13.5px; color: rgba(250,248,245,0.45); line-height: 2; }
.contact-meta strong { color: var(--linen); font-weight: 500; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 8px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(250,248,245,0.05);
  border: 1px solid rgba(250,248,245,0.14);
  color: var(--linen);
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 15px;
  border-radius: 1px;
  transition: border-color 0.18s, background 0.18s;
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--copper);
  background: rgba(250,248,245,0.08);
  outline: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: rgba(250,248,245,0.22); }
.form-select option { background: var(--charcoal); color: var(--linen); }
.form-textarea { resize: vertical; min-height: 118px; }
.form-submit { margin-top: 8px; }
.form-success { padding: 32px; text-align: center; background: rgba(184,115,51,0.12); }
.form-success h3 { font-size: 22px; margin-bottom: 10px; }
.form-success p  { font-size: 15px; color: rgba(250,248,245,0.65); }

/* ── Footer ────────────────────────────────────────────────── */
footer {
  background: var(--charcoal);
  color: var(--linen);
  padding: 36px 32px;
  border-top: 1px solid rgba(184,115,51,0.18);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-copy { font-size: 12px; color: rgba(250,248,245,0.3); }
.footer-nav  { list-style: none; display: flex; gap: 28px; }
.footer-nav a { font-size: 12px; color: rgba(250,248,245,0.42); transition: color 0.18s; }
.footer-nav a:hover { color: var(--linen); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .roi-grid      { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid  { grid-template-columns: 1fr; gap: 48px; }
  .tech-grid     { grid-template-columns: 1fr; }
  .props-grid    { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-right { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 66px; left: 0; right: 0;
    background: var(--charcoal);
    border-top: 1px solid rgba(184,115,51,0.2);
    padding: 20px 28px 28px;
    gap: 16px;
    z-index: 199;
  }
  .nav-links.open ~ .nav-right { display: block; padding: 0 28px 24px; }
  .hamburger { display: flex; }
  nav.site-nav { position: relative; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-card  { padding: 40px 28px; min-width: unset; width: 100%; max-width: 420px; }
  .form-row      { grid-template-columns: 1fr; }
  .roi-nums      { grid-template-columns: 1fr 1fr; }
  .hero { padding: 80px 24px 72px; }
  .section { padding: 72px 24px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .roi-nums   { grid-template-columns: 1fr; }
  .container  { padding: 0 20px; }
  .coverage-inner { gap: 20px; }
}