/* ============================================================
   Krishbyl Broadband — Global Stylesheet
   ============================================================ */

:root {
  --brand: #1f3bb3;          /* primary indigo-blue */
  --brand-dark: #142a87;
  --brand-light: #4f6fe5;
  --accent: #00c2a8;         /* teal accent */
  --accent-dark: #009e89;
  --ink: #0b1437;            /* near-black text */
  --muted: #5a6478;
  --line: #e6e9f2;
  --bg: #ffffff;
  --bg-soft: #f5f7fc;
  --bg-dark: #0b1437;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(15, 23, 64, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 64, 0.16);
  --container: 1160px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--brand); text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 { line-height: 1.2; color: var(--ink); }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }

p { color: var(--muted); }

section { padding: 72px 0; }

.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head h2 { margin-bottom: 12px; }
.section-head p { font-size: 1.05rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 14px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: var(--white); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-accent { background: var(--accent); color: #04231f; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--brand); border-color: var(--brand); }
.btn-outline:hover { background: var(--brand); color: #fff; }
.btn-ghost-light { background: rgba(255,255,255,.14); color:#fff; border-color: rgba(255,255,255,.4); }
.btn-ghost-light:hover { background:#fff; color: var(--brand); }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.35rem; color: var(--ink); }
.logo .mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  display: grid; place-items: center; color: #fff; font-weight: 900; font-size: 1.2rem;
}
.logo .mark span { transform: translateY(-1px); }
.logo b { color: var(--brand); }

.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.97rem;
  padding: 8px 14px;
  border-radius: 8px;
  transition: background .15s, color .15s;
}
.nav-links a:hover { background: var(--bg-soft); color: var(--brand); }
.nav-links a.active { color: var(--brand); }
.nav-cta { margin-left: 10px; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; border-radius: 10px;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 24px; height: 2.5px; background: var(--ink);
  border-radius: 2px; position: relative; transition: .25s;
}
.nav-toggle span { margin: 0 auto; }
.nav-toggle span::before { position: absolute; top: -7px; }
.nav-toggle span::after { position: absolute; top: 7px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(0,194,168,.35), transparent 60%),
    linear-gradient(135deg, var(--brand-dark), var(--brand) 55%, var(--brand-light));
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 22px 22px; opacity: .6; pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding: 80px 0; }
.hero h1 { color: #fff; }
.hero h1 .hl { color: #7fffe6; }
.hero p.lead { color: rgba(255,255,255,.9); font-size: 1.2rem; margin: 20px 0 30px; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 30px; margin-top: 40px; flex-wrap: wrap; }
.hero-stats .stat b { display: block; font-size: 1.9rem; color: #fff; }
.hero-stats .stat span { color: rgba(255,255,255,.8); font-size: .9rem; }

.hero-card {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(6px);
}
.hero-card h3 { color: #fff; margin-bottom: 6px; }
.hero-card .speed { font-size: 3rem; font-weight: 900; color: #7fffe6; line-height: 1; }
.hero-card .speed small { font-size: 1rem; color: rgba(255,255,255,.8); font-weight: 600; }
.hero-card ul { list-style: none; margin: 18px 0 22px; }
.hero-card li { color: rgba(255,255,255,.92); padding: 6px 0 6px 28px; position: relative; }
.hero-card li::before { content: "✓"; position: absolute; left: 0; color: #7fffe6; font-weight: 900; }
.hero-card .price { font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.hero-card .price small { font-size: .9rem; font-weight: 500; color: rgba(255,255,255,.75); }

/* ---------- Feature cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.feature {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.feature .ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.5rem; background: linear-gradient(135deg, rgba(31,59,179,.12), rgba(0,194,168,.16));
  margin-bottom: 16px;
}
.feature h3 { margin-bottom: 8px; }
.feature p { font-size: .96rem; }

.bg-soft { background: var(--bg-soft); }

/* ---------- Plan cards ---------- */
.plans-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; align-items: stretch; }
.plan {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  display: flex; flex-direction: column;
  position: relative;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.plan:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.plan.featured { border: 2px solid var(--brand); box-shadow: var(--shadow); }
.plan .badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #04231f; font-size: .72rem; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase; padding: 6px 16px; border-radius: 50px;
}
.plan .plan-name { font-size: .85rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.plan .plan-speed { font-size: 2.6rem; font-weight: 900; color: var(--brand); margin: 6px 0 0; }
.plan .plan-speed small { font-size: 1rem; color: var(--muted); font-weight: 600; }
.plan .plan-price { font-size: 1.9rem; font-weight: 800; margin: 14px 0 4px; }
.plan .plan-price span { font-size: .95rem; font-weight: 500; color: var(--muted); }
.plan .plan-gst { font-size: .82rem; color: var(--muted); margin-bottom: 18px; }
.plan ul { list-style: none; margin: 0 0 24px; flex: 1; }
.plan li { padding: 8px 0 8px 26px; position: relative; font-size: .94rem; border-top: 1px solid var(--line); }
.plan li:first-child { border-top: 0; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-dark); font-weight: 900; }
.plan .btn { width: 100%; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { text-align: center; padding: 10px; }
.step .num {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 16px;
  display: grid; place-items: center; font-weight: 900; font-size: 1.3rem;
  color: #fff; background: linear-gradient(135deg, var(--brand), var(--accent));
}
.step h3 { margin-bottom: 6px; font-size: 1.1rem; }
.step p { font-size: .92rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff; border-radius: var(--radius); padding: 48px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.9); margin-bottom: 26px; font-size: 1.08rem; }
.cta-band .hero-actions { justify-content: center; }

/* ---------- Page banner ---------- */
.page-banner {
  background:
    radial-gradient(900px 400px at 85% -20%, rgba(0,194,168,.3), transparent 60%),
    linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff; padding: 70px 0; text-align: center;
}
.page-banner h1 { color: #fff; margin-bottom: 10px; }
.page-banner p { color: rgba(255,255,255,.9); max-width: 640px; margin: 0 auto; font-size: 1.1rem; }
.breadcrumb { font-size: .9rem; color: rgba(255,255,255,.75); margin-top: 14px; }
.breadcrumb a { color: #7fffe6; }

/* ---------- About ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.split ul { list-style: none; margin-top: 20px; }
.split li { padding: 10px 0 10px 32px; position: relative; color: var(--ink); }
.split li::before {
  content: "✓"; position: absolute; left: 0; top: 9px; width: 22px; height: 22px;
  background: var(--accent); color: #04231f; border-radius: 50%; display: grid;
  place-items: center; font-size: .75rem; font-weight: 900;
}
.media-box {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--brand), var(--accent));
  aspect-ratio: 4/3; display: grid; place-items: center; color: #fff; padding: 40px; text-align: center;
}
.media-box .big { font-size: 4rem; }

.stat-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
.stat-strip .stat b { font-size: 2.6rem; color: var(--brand); display: block; font-weight: 900; }
.stat-strip .stat span { color: var(--muted); font-weight: 600; }

.value-card { text-align: left; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.info-card {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; margin-bottom: 18px;
  display: flex; gap: 16px; align-items: flex-start;
}
.info-card .ico {
  width: 48px; height: 48px; border-radius: 12px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff;
  display: grid; place-items: center; font-size: 1.3rem;
}
.info-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.info-card p, .info-card a { font-size: .96rem; color: var(--muted); }

.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: .97rem; color: var(--ink); background: #fff; transition: border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); }
.field textarea { resize: vertical; min-height: 120px; }

.form-note {
  background: #fff7e6; border: 1px solid #ffe1a8; color: #8a5b00;
  padding: 12px 16px; border-radius: var(--radius-sm); font-size: .9rem; margin-bottom: 18px;
}
.form-embed {
  border: 0; width: 100%; min-height: 1100px; border-radius: var(--radius);
}
.embed-wrap { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 8px; box-shadow: var(--shadow); }

.map-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border:1px solid var(--line); }
.map-wrap iframe { width: 100%; height: 360px; border: 0; display:block; }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; margin: 0 auto; }
.faq details {
  background:#fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0; margin-bottom: 14px; overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 18px 22px; font-weight: 700; list-style: none;
  display: flex; justify-content: space-between; align-items: center; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; color: var(--brand); font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 22px 20px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-dark); color: #c4cbe0; padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.site-footer .logo { color: #fff; margin-bottom: 14px; }
.site-footer p { color: #97a0bd; font-size: .94rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #c4cbe0; font-size: .94rem; }
.footer-links a:hover { color: #7fffe6; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; color: #c4cbe0; font-size: .94rem; }
.social { display: flex; gap: 12px; margin-top: 8px; }
.social a {
  width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.08);
  display: grid; place-items: center; color: #fff; font-size: 1.1rem; transition: background .15s;
}
.social a:hover { background: var(--brand); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .88rem; color: #8089a8;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .grid-4, .plans-grid, .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-card { max-width: 460px; }

  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px;
    box-shadow: var(--shadow); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px; border-radius: 8px; }
  .nav-cta { margin: 8px 0 0; }
  .nav-cta .btn { width: 100%; }
}

@media (max-width: 560px) {
  section { padding: 52px 0; }
  .grid-2, .grid-3, .grid-4, .plans-grid, .stat-strip, .steps, .form-row, .footer-grid {
    grid-template-columns: 1fr;
  }
  .cta-band { padding: 32px 22px; }
  .hero-actions .btn, .cta-band .btn { width: 100%; }
}