/* ============================================================
   Business Broadband Internet Price
   Art direction: Bold Editorial / Swiss
   Paper + Ink + Amber · oversized grotesk · mono labels ·
   hairline rules · 0px radius · hard-offset hover shadows
   ============================================================ */

:root {
  /* Surfaces */
  --paper:      #F3EFE6;
  --paper-2:    #ECE6D8;
  --paper-3:    #E4DCC9;
  --ink:        #15130F;
  --ink-2:      #2C2823;
  --ink-soft:   #4F4A42;
  --ink-mute:   #635C52;

  /* Lines */
  --hair:        rgba(21, 19, 15, 0.16);
  --hair-strong: rgba(21, 19, 15, 0.30);

  /* Accent */
  --amber:      #F59E0B;
  --amber-deep: #B45309;   /* AA text-on-paper accent */
  --amber-soft: rgba(245, 158, 11, 0.16);

  /* On-ink */
  --on-ink:        #F3EFE6;
  --on-ink-mute:   rgba(243, 239, 230, 0.62);

  --wa: #128C3E;

  /* Type */
  --grotesk: "Helvetica Neue", "Inter", "Arial Nova", Arial, system-ui, -apple-system, "Segoe UI", Roboto,
             "PingFang HK", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, "Courier New", monospace;
  --serif: "Georgia", "Times New Roman", "Songti TC", serif;

  --maxw: 1240px;
  --maxw-wide: 1440px;
  --gutter: 24px;
  --t: 0.16s cubic-bezier(0.2, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--grotesk);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; transition: color var(--t); }
img, svg { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--amber); color: var(--ink); }

/* Keyboard focus — visible on every interactive element */
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.section--ink :focus-visible, .footer :focus-visible, .datasheet :focus-visible { outline-color: var(--amber); }

/* ---------- Layout primitives ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-wide { max-width: var(--maxw-wide); }

.section { padding-block: clamp(56px, 8vw, 112px); }
.section--tight { padding-block: clamp(40px, 5vw, 64px); }
.section--paper2 { background: var(--paper-2); }
.section--paper3 { background: var(--paper-3); }
.section--ink { background: var(--ink); color: var(--on-ink); }

.rule { border: 0; border-top: 1px solid var(--hair); }
.rule-strong { border: 0; border-top: 2px solid var(--ink); }

.skip-link {
  position: absolute; left: 16px; top: -56px; z-index: 2000;
  background: var(--ink); color: var(--on-ink);
  padding: 10px 16px; font: 600 0.8rem/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  transition: top var(--t);
}
.skip-link:focus { top: 14px; }

/* ---------- Editorial bits ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 0.74rem/1 var(--mono);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--amber-deep);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--amber); display: inline-block; }
.eyebrow--light { color: var(--amber); }
.eyebrow--plain::before { display: none; }

.idx { font: 700 0.82rem/1 var(--mono); letter-spacing: 0.12em; color: var(--ink-mute); }

.section-head { max-width: 880px; margin-bottom: clamp(32px, 4vw, 56px); }
.section-head .eyebrow { margin-bottom: 18px; }
.section-title {
  font-weight: 800; letter-spacing: -0.025em; line-height: 1.02;
  font-size: clamp(1.9rem, 4.4vw, 3.3rem);
}
.section-intro {
  margin-top: 18px; max-width: 64ch;
  font-size: clamp(1.02rem, 1.5vw, 1.22rem); color: var(--ink-soft); line-height: 1.55;
}
.section--ink .section-intro { color: var(--on-ink-mute); }
.section--ink .idx { color: var(--on-ink-mute); }

.u-amber { color: var(--amber-deep); }
.u-mono { font-family: var(--mono); }
.u-upper { text-transform: uppercase; letter-spacing: 0.08em; }
.u-serif { font-family: var(--serif); font-style: italic; }
.nowrap { white-space: nowrap; }
.amber-mark { color: var(--amber-deep); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Grids */
.grid { display: grid; gap: 1px; }
.grid-2 { display: grid; gap: clamp(20px, 3vw, 36px); grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; gap: clamp(20px, 3vw, 32px); grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; gap: clamp(18px, 2.4vw, 28px); grid-template-columns: repeat(4, 1fr); }

/* ============================================================
   Header / Masthead
   ============================================================ */
.masthead {
  position: sticky; top: 0; z-index: 1000;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
  transition: box-shadow var(--t);
}
.masthead.scrolled { box-shadow: 0 1px 0 var(--ink), 0 10px 24px -18px rgba(21,19,15,0.5); }
.masthead-inner {
  max-width: var(--maxw-wide); margin-inline: auto; padding: 0 var(--gutter);
  height: 72px; display: flex; align-items: center; gap: 20px;
}

.wordmark { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.wordmark-mark { width: 34px; height: 34px; flex-shrink: 0; }
.wordmark-text { display: flex; flex-direction: column; line-height: 1; }
.wordmark-name { font-weight: 800; font-size: 1.04rem; letter-spacing: -0.01em; }
.wordmark-sub { font: 600 0.6rem/1.2 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); margin-top: 4px; }

.mainnav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.mainnav a {
  font: 600 0.86rem/1 var(--grotesk); letter-spacing: -0.01em;
  padding: 10px 12px; color: var(--ink-soft); position: relative;
}
.mainnav a:hover { color: var(--ink); }
.mainnav a.active { color: var(--ink); }
.mainnav a.active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px; background: var(--amber);
}

.lang { display: flex; align-items: center; gap: 2px; padding-left: 14px; margin-left: 6px; border-left: 1px solid var(--hair); }
.lang a, .lang span { font: 600 0.74rem/1 var(--mono); letter-spacing: 0.06em; padding: 6px 8px; }
.lang .on { background: var(--ink); color: var(--on-ink); }
.lang a { color: var(--ink-mute); }
.lang a:hover { color: var(--ink); }

.masthead-cta { margin-left: 14px; }

.menu-btn {
  display: none; margin-left: auto;
  width: 44px; height: 44px; border: 1px solid var(--ink);
  align-items: center; justify-content: center;
  font-size: 1.1rem; background: var(--paper);
}
.menu-btn:hover { background: var(--ink); color: var(--on-ink); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: 700 0.92rem/1 var(--grotesk); letter-spacing: -0.01em;
  padding: 14px 22px; border: 1.5px solid var(--ink);
  background: var(--paper); color: var(--ink);
  transition: transform var(--t), box-shadow var(--t), background var(--t), color var(--t);
  white-space: nowrap;
}
.btn .arw { transition: transform var(--t); }
.btn:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--ink); }
.btn:hover .arw { transform: translateX(3px); }
.btn:active { transform: translate(0,0); box-shadow: 2px 2px 0 var(--ink); }

.btn--solid { background: var(--ink); color: var(--on-ink); }
.btn--solid:hover { box-shadow: 5px 5px 0 var(--amber); }
.btn--accent { background: var(--amber); color: var(--ink); border-color: var(--ink); }
.btn--accent:hover { box-shadow: 5px 5px 0 var(--ink); }
.btn--ghost { background: transparent; }
.btn--lg { padding: 17px 28px; font-size: 1rem; }
.btn--sm { padding: 10px 16px; font-size: 0.82rem; }
.btn--block { width: 100%; justify-content: center; }

.section--ink .btn { border-color: var(--paper); }
.section--ink .btn--ghost { color: var(--on-ink); }
.section--ink .btn--ghost:hover { background: var(--paper); color: var(--ink); box-shadow: 5px 5px 0 var(--amber); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  border-bottom: 1px solid var(--ink);
  background:
    repeating-linear-gradient(to right, transparent, transparent calc(25% - 1px), var(--hair) calc(25% - 1px), var(--hair) 25%);
  background-attachment: local;
}
.hero-grid {
  display: grid; grid-template-columns: 1.45fr 1fr; gap: 0;
  align-items: stretch;
}
.hero-main { padding: clamp(48px, 7vw, 104px) clamp(24px, 4vw, 64px) clamp(48px, 7vw, 96px) 0; }
.hero-eyebrow { margin-bottom: 26px; }
.hero-title {
  font-weight: 800; letter-spacing: -0.035em; line-height: 0.96;
  font-size: clamp(2.7rem, 8.2vw, 6.4rem);
  text-wrap: balance;
}
.hero-title .amber { color: var(--amber-deep); }
.hero-title .dot { color: var(--amber-deep); }
.hero-lede {
  margin-top: 28px; max-width: 52ch;
  font-size: clamp(1.08rem, 1.7vw, 1.4rem); line-height: 1.5; color: var(--ink-soft);
}
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 10px 22px; }
.hero-meta li {
  font: 600 0.78rem/1 var(--mono); letter-spacing: 0.04em; color: var(--ink-soft);
  display: inline-flex; align-items: center; gap: 8px;
}
.hero-meta li::before { content: "▸"; color: var(--amber-deep); }

/* Hero data-sheet panel */
.datasheet {
  border-left: 1px solid var(--ink);
  background: var(--ink); color: var(--on-ink);
  padding: clamp(28px, 3vw, 40px) clamp(24px, 3vw, 38px);
  display: flex; flex-direction: column;
}
.datasheet-head {
  font: 600 0.72rem/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--amber); padding-bottom: 18px; margin-bottom: 6px;
  border-bottom: 1px solid rgba(243,239,230,0.2);
  display: flex; justify-content: space-between; align-items: center;
}
.datasheet-head .live { display: inline-flex; align-items: center; gap: 7px; color: var(--on-ink-mute); }
.datasheet-head .live::before { content: ""; width: 8px; height: 8px; background: var(--amber); border-radius: 50%; box-shadow: 0 0 0 0 var(--amber); animation: ping 2.2s ease-out infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(245,158,11,0.5); } 70%,100% { box-shadow: 0 0 0 9px rgba(245,158,11,0); } }
.datasheet-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 15px 0; border-bottom: 1px solid rgba(243,239,230,0.13);
}
.datasheet-row:last-child { border-bottom: 0; }
.datasheet-k { font: 600 0.74rem/1.3 var(--mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--on-ink-mute); }
.datasheet-v { font-weight: 800; font-size: 1.18rem; letter-spacing: -0.01em; text-align: right; }
.datasheet-v .u-amber { color: var(--amber); }
.datasheet-foot { margin-top: auto; padding-top: 22px; }

/* ============================================================
   Provider ticker
   ============================================================ */
.ticker { overflow: hidden; border-bottom: 1px solid var(--ink); background: var(--paper); }
.ticker-track { display: flex; align-items: center; gap: 0; width: max-content; animation: marquee 38s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item {
  font: 700 0.92rem/1 var(--mono); letter-spacing: 0.04em; text-transform: uppercase;
  padding: 16px 30px; color: var(--ink-soft); white-space: nowrap;
  display: inline-flex; align-items: center; gap: 30px;
}
.ticker-item::after { content: "✸"; color: var(--amber-deep); font-size: 0.8rem; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============================================================
   Pillars (service overview)
   ============================================================ */
.pillars { border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.pillars.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
.pillar {
  border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
  padding: clamp(28px, 3vw, 44px);
  background: var(--paper); position: relative;
  display: flex; flex-direction: column; min-height: 280px;
  transition: background var(--t), color var(--t);
}
.pillar:hover { background: var(--ink); color: var(--on-ink); }
.pillar-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.pillar-idx { font: 700 0.82rem/1 var(--mono); letter-spacing: 0.1em; color: var(--ink-mute); }
.pillar:hover .pillar-idx { color: var(--amber); }
.pillar-icon { width: 40px; height: 40px; flex-shrink: 0; color: var(--ink); }
.pillar:hover .pillar-icon { color: var(--amber); }
.pillar-kicker { font: 600 0.72rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber-deep); margin-bottom: 10px; }
.pillar:hover .pillar-kicker { color: var(--amber); }
.pillar-title { font-weight: 800; font-size: clamp(1.4rem, 2.2vw, 1.95rem); letter-spacing: -0.02em; line-height: 1.05; margin-bottom: 14px; }
.pillar-desc { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.55; }
.pillar:hover .pillar-desc { color: var(--on-ink-mute); }
.pillar-points { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.pillar-points li { font: 600 0.82rem/1.3 var(--mono); color: var(--ink-soft); display: flex; gap: 9px; }
.pillar-points li::before { content: "—"; color: var(--amber-deep); }
.pillar:hover .pillar-points li { color: var(--on-ink-mute); }
.pillar:hover .pillar-points li::before { color: var(--amber); }
.pillar-cta { margin-top: auto; padding-top: 24px; display: inline-flex; align-items: center; gap: 9px; font: 700 0.88rem/1 var(--grotesk); }
.pillar-cta .arw { transition: transform var(--t); }
.pillar:hover .pillar-cta { color: var(--amber); }
.pillar:hover .pillar-cta .arw { transform: translateX(4px); }

/* ============================================================
   Feature / highlight grid
   ============================================================ */
.feature-grid { border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); display: grid; grid-template-columns: 1fr; }
.feature-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.feature-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.feature-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.feature {
  border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
  padding: clamp(26px, 2.8vw, 38px);
  background: var(--paper);
}
.feature-num { font: 700 0.78rem/1 var(--mono); color: var(--amber-deep); letter-spacing: 0.1em; margin-bottom: 18px; }
.feature-title { font-weight: 800; font-size: 1.22rem; letter-spacing: -0.015em; line-height: 1.15; margin-bottom: 12px; }
.feature-text { color: var(--ink-soft); font-size: 0.96rem; line-height: 1.55; }

/* ============================================================
   Stats
   ============================================================ */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid currentColor; }
.stat { padding: clamp(28px, 3vw, 44px) 24px; border-right: 1px solid var(--hair-strong); }
.stat:last-child { border-right: 0; }
.section--ink .stat { border-right-color: rgba(243,239,230,0.2); }
.stat-num { font-weight: 800; font-size: clamp(2.2rem, 4.5vw, 3.6rem); letter-spacing: -0.03em; line-height: 1; }
.stat-num .u-amber { color: var(--amber); }
.stat-label { margin-top: 12px; font: 600 0.76rem/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-ink-mute); }
.section:not(.section--ink) .stat-label { color: var(--ink-mute); }

/* ============================================================
   Plans
   ============================================================ */
.plan-filter { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 32px; }
.plan-filter .filter-label { font: 600 0.74rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); margin-right: 6px; }
.filter-pill {
  font: 600 0.82rem/1 var(--grotesk); padding: 9px 15px;
  border: 1px solid var(--ink); background: var(--paper); transition: all var(--t);
}
.filter-pill:hover { background: var(--paper-3); }
.filter-pill.active { background: var(--ink); color: var(--on-ink); }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.plan {
  border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
  background: var(--paper); padding: clamp(24px, 2.6vw, 34px);
  display: flex; flex-direction: column; position: relative;
  transition: background var(--t);
}
.plan:hover { background: var(--paper-2); }
.plan-badge {
  position: absolute; top: 0; right: 0;
  font: 700 0.64rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase;
  padding: 7px 11px; background: var(--amber); color: var(--ink);
}
.plan-badge.is-enterprise { background: var(--ink); color: var(--amber); }
.plan-provider { font: 700 0.74rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 14px; }
.plan-name { font-weight: 800; font-size: 1.18rem; letter-spacing: -0.015em; line-height: 1.2; margin-bottom: 18px; min-height: 2.4em; }
.plan-price { display: flex; align-items: baseline; gap: 3px; padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid var(--hair); }
.plan-price .cur { font: 700 1rem/1 var(--mono); color: var(--ink-soft); align-self: flex-start; margin-top: 4px; }
.plan-price .amt { font-weight: 800; font-size: 2.5rem; letter-spacing: -0.04em; line-height: 0.9; }
.plan-price .per { font: 600 0.82rem/1 var(--mono); color: var(--ink-mute); }
.plan-price .from { font: 600 0.66rem/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-mute); margin-right: 6px; align-self: center; }
.plan-price.is-quote .amt { font-size: 1.7rem; letter-spacing: -0.02em; }
.plan-feats { display: flex; flex-direction: column; gap: 11px; margin-bottom: 24px; }
.plan-feats li { display: flex; gap: 11px; font-size: 0.92rem; line-height: 1.4; color: var(--ink-soft); }
.plan-feats li::before { content: ""; flex-shrink: 0; width: 9px; height: 9px; margin-top: 6px; background: var(--amber); }
.plan-actions { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }

/* ============================================================
   Spec / comparison table
   ============================================================ */
.spectable-wrap { border: 1px solid var(--ink); overflow-x: auto; }
.spectable { width: 100%; border-collapse: collapse; min-width: 640px; }
.spectable caption { text-align: left; padding: 16px 20px; font: 600 0.74rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); border-bottom: 1px solid var(--ink); background: var(--paper-2); }
.spectable th {
  text-align: left; padding: 16px 20px; font: 800 0.82rem/1.2 var(--grotesk); letter-spacing: 0.02em;
  background: var(--ink); color: var(--on-ink); border-right: 1px solid rgba(243,239,230,0.18); white-space: nowrap;
}
.spectable th:last-child { border-right: 0; }
.spectable td { padding: 15px 20px; border-bottom: 1px solid var(--hair); border-right: 1px solid var(--hair); font-size: 0.94rem; color: var(--ink-soft); vertical-align: top; }
.spectable td:first-child { font-weight: 700; color: var(--ink); font-family: var(--mono); font-size: 0.86rem; }
.spectable td:last-child { border-right: 0; }
.spectable tr:last-child td { border-bottom: 0; }
.spectable tr.is-highlight td { background: var(--amber-soft); }
.spectable tr:hover td { background: var(--paper-2); }
.spectable tr.is-highlight:hover td { background: rgba(245,158,11,0.24); }

/* ============================================================
   Process steps
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.step { border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: clamp(26px, 2.8vw, 38px); background: var(--paper); }
.step-idx { font-weight: 800; font-size: 2.6rem; letter-spacing: -0.04em; color: var(--paper-3); -webkit-text-stroke: 1.5px var(--ink); margin-bottom: 18px; }
.step-title { font-weight: 800; font-size: 1.18rem; letter-spacing: -0.015em; margin-bottom: 10px; }
.step-text { color: var(--ink-soft); font-size: 0.94rem; line-height: 1.5; }

/* ============================================================
   Testimonials
   ============================================================ */
.quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px, 3vw, 36px); }
.quote { border: 1px solid var(--ink); padding: clamp(28px, 3vw, 42px); background: var(--paper); display: flex; flex-direction: column; }
.quote-mark { font: 800 3rem/0.6 var(--serif); color: var(--amber); margin-bottom: 14px; }
.quote-text { font-family: var(--serif); font-size: clamp(1.12rem, 1.7vw, 1.42rem); line-height: 1.45; color: var(--ink); }
.quote-cite { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--hair); display: flex; flex-direction: column; gap: 4px; }
.quote-name { font-weight: 800; font-size: 0.96rem; }
.quote-role { font: 600 0.76rem/1.3 var(--mono); letter-spacing: 0.04em; color: var(--ink-mute); }

/* ============================================================
   FAQ
   ============================================================ */
.faq { border-top: 1px solid var(--ink); }
.faq-item { border-bottom: 1px solid var(--ink); }
.faq-q {
  list-style: none; cursor: pointer; padding: 24px 56px 24px 0; position: relative;
  font-weight: 800; font-size: clamp(1.04rem, 1.6vw, 1.28rem); letter-spacing: -0.015em; line-height: 1.3;
  display: flex; align-items: flex-start; gap: 18px;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q .q-idx { font: 700 0.8rem/1.6 var(--mono); color: var(--amber-deep); flex-shrink: 0; }
.faq-q::after {
  content: "+"; position: absolute; right: 4px; top: 22px; font: 400 1.7rem/1 var(--grotesk); color: var(--ink); transition: transform var(--t);
}
.faq-item[open] .faq-q::after { transform: rotate(45deg); color: var(--amber-deep); }
.faq-a { padding: 0 56px 26px 38px; color: var(--ink-soft); font-size: 1rem; line-height: 1.6; max-width: 76ch; }

/* ============================================================
   CTA band
   ============================================================ */
.cta { background: var(--ink); color: var(--on-ink); border-top: 2px solid var(--amber); }
.cta-inner { padding-block: clamp(56px, 8vw, 104px); display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.cta-title { font-weight: 800; font-size: clamp(2rem, 4.6vw, 3.6rem); letter-spacing: -0.03em; line-height: 1.0; }
.cta-title .amber { color: var(--amber); }
.cta-lede { margin-top: 18px; color: var(--on-ink-mute); font-size: clamp(1.02rem, 1.5vw, 1.2rem); max-width: 52ch; }
.cta-actions { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.cta-actions .btn { width: 100%; justify-content: space-between; }
.cta-phone { font: 700 1.5rem/1 var(--mono); letter-spacing: -0.01em; margin-top: 6px; }
.cta-phone span { display: block; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber); margin-bottom: 8px; }

/* ============================================================
   Contact
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.contact-card { border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: clamp(28px, 3vw, 44px); background: var(--paper); }
.contact-card h3 { font: 600 0.74rem/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber-deep); margin-bottom: 16px; }
.contact-line { font-weight: 800; font-size: clamp(1.3rem, 2.2vw, 1.9rem); letter-spacing: -0.02em; }
.contact-sub { margin-top: 10px; color: var(--ink-soft); font-size: 0.95rem; }
.contact-methods { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

/* Quote form */
.qform { display: grid; gap: 16px; }
.qform .field { display: flex; flex-direction: column; gap: 7px; }
.qform label { font: 600 0.72rem/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-mute); }
.qform input, .qform select, .qform textarea {
  border: 1.5px solid var(--ink); background: var(--paper); padding: 13px 15px; font-size: 0.96rem; transition: box-shadow var(--t);
}
.qform input:focus, .qform select:focus, .qform textarea:focus { box-shadow: 4px 4px 0 var(--amber); }
.qform textarea { resize: vertical; min-height: 92px; }
.qform .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ============================================================
   Page header (interior pages)
   ============================================================ */
.pagehead { border-bottom: 1px solid var(--ink); padding-block: clamp(44px, 6vw, 88px); position: relative; }
.pagehead-idx { font-weight: 800; font-size: clamp(3rem, 8vw, 7rem); letter-spacing: -0.04em; color: transparent; -webkit-text-stroke: 1.5px var(--hair-strong); position: absolute; top: 16px; right: var(--gutter); line-height: 1; pointer-events: none; }
.pagehead-eyebrow { margin-bottom: 22px; }
.pagehead-title { font-weight: 800; font-size: clamp(2.3rem, 6vw, 4.6rem); letter-spacing: -0.035em; line-height: 0.98; max-width: 18ch; }
.pagehead-title .amber { color: var(--amber-deep); }
.pagehead-lede { margin-top: 22px; max-width: 60ch; font-size: clamp(1.05rem, 1.6vw, 1.32rem); color: var(--ink-soft); line-height: 1.5; }
.pagehead-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 14px; }

/* ============================================================
   Prose (legal)
   ============================================================ */
.prose { max-width: 76ch; }
.prose h2 { font-weight: 800; font-size: 1.45rem; letter-spacing: -0.02em; margin: 40px 0 14px; padding-top: 26px; border-top: 1px solid var(--hair); }
.prose h2:first-child { padding-top: 0; border-top: 0; margin-top: 0; }
.prose p { color: var(--ink-soft); margin-bottom: 14px; line-height: 1.7; }
.prose ul { margin: 0 0 18px; display: flex; flex-direction: column; gap: 9px; }
.prose li { color: var(--ink-soft); padding-left: 22px; position: relative; line-height: 1.6; }
.prose li::before { content: "—"; position: absolute; left: 0; color: var(--amber-deep); }
.prose a { color: var(--amber-deep); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--ink); }

/* ============================================================
   Footer
   ============================================================ */
.footer { background: var(--ink); color: var(--on-ink); }
.footer-top { padding-block: clamp(48px, 6vw, 80px); display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand { max-width: 36ch; }
.footer-brand .wordmark-name { color: var(--on-ink); }
.footer-mark { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-mark .wordmark-sub { color: var(--on-ink-mute); }
.footer-brand p { color: var(--on-ink-mute); font-size: 0.94rem; line-height: 1.6; margin-bottom: 18px; }
.footer-phone { font: 700 1.16rem/1 var(--mono); letter-spacing: -0.01em; color: var(--amber); }
.footer-col h4 { font: 600 0.72rem/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber); margin-bottom: 18px; }
.footer-col a { display: block; color: var(--on-ink-mute); font-size: 0.92rem; padding: 6px 0; transition: color var(--t), padding var(--t); }
.footer-col a:hover { color: var(--on-ink); padding-left: 6px; }
.footer-bottom { border-top: 1px solid rgba(243,239,230,0.15); padding-block: 22px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }
.footer-bottom span, .footer-bottom a { font: 600 0.74rem/1.4 var(--mono); letter-spacing: 0.03em; color: var(--on-ink-mute); }
.footer-bottom a:hover { color: var(--amber); }

/* WhatsApp float */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 900;
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--ink); color: var(--on-ink);
  border: 1.5px solid var(--ink); padding: 13px 18px;
  font: 700 0.86rem/1 var(--grotesk);
  box-shadow: 4px 4px 0 var(--amber); transition: transform var(--t), box-shadow var(--t);
}
.wa-float:hover { transform: translate(-2px,-2px); box-shadow: 6px 6px 0 var(--amber); }
.wa-float svg { width: 20px; height: 20px; }

/* ============================================================
   Trust ribbon
   ============================================================ */
.trust-ribbon { background: var(--paper-2); border-bottom: 1px solid var(--ink); }
.trust-ribbon-inner { display: flex; flex-wrap: wrap; gap: 10px 28px; padding-block: 16px; }
.trust-ribbon li { font: 600 0.78rem/1.3 var(--mono); letter-spacing: 0.02em; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 9px; }
.trust-ribbon li::before { content: "✓"; color: var(--amber-deep); font-weight: 800; }

/* ============================================================
   Catalog ("everything under one roof")
   ============================================================ */
.catalog { border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); display: grid; grid-template-columns: repeat(3, 1fr); }
.catalog-group { border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: clamp(24px, 2.6vw, 36px); background: var(--paper); display: flex; flex-direction: column; }
.catalog-group h3 { font: 700 0.74rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber-deep); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.catalog-group h3::before { content: ""; width: 18px; height: 2px; background: var(--amber); }
.catalog-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.catalog-list li { font-size: 0.82rem; line-height: 1; padding: 7px 11px; border: 1px solid var(--hair-strong); color: var(--ink-soft); }
.catalog-group .more { margin-top: auto; font: 700 0.82rem/1 var(--grotesk); display: inline-flex; align-items: center; gap: 8px; }
.catalog-group .more .arw { transition: transform var(--t); }
.catalog-group:hover .more { color: var(--amber-deep); }
.catalog-group:hover .more .arw { transform: translateX(4px); }

/* ============================================================
   Coverage by premises
   ============================================================ */
.coverage-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.chip {
  font: 600 0.86rem/1 var(--grotesk); padding: 11px 16px;
  border: 1px solid var(--ink); background: var(--paper); color: var(--ink);
  transition: transform var(--t), box-shadow var(--t), background var(--t), color var(--t);
}
.chip:hover { background: var(--ink); color: var(--on-ink); transform: translate(-2px,-2px); box-shadow: 4px 4px 0 var(--amber); }

/* ============================================================
   Switching / 轉台 offer band
   ============================================================ */
.offer { background: var(--amber); color: var(--ink); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.offer-inner { padding-block: clamp(36px, 4vw, 56px); display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: center; }
.offer-eyebrow { font: 700 0.74rem/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 14px; }
.offer-title { font-weight: 800; font-size: clamp(1.5rem, 3vw, 2.4rem); letter-spacing: -0.02em; line-height: 1.05; }
.offer-lede { margin-top: 12px; font-size: 1rem; max-width: 52ch; }
.offer-actions { display: flex; justify-content: flex-end; }
.offer .btn { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.offer .btn:hover { box-shadow: 5px 5px 0 var(--paper); }

/* ============================================================
   Product directory (hub) + related
   ============================================================ */
.dir { border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); display: grid; grid-template-columns: repeat(3, 1fr); }
.dir-card { border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: clamp(22px, 2.4vw, 32px); background: var(--paper); display: flex; flex-direction: column; gap: 10px; min-height: 170px; transition: background var(--t), color var(--t); }
.dir-card:hover { background: var(--ink); color: var(--on-ink); }
.dir-num { font: 700 0.74rem/1 var(--mono); letter-spacing: 0.1em; color: var(--ink-mute); }
.dir-card:hover .dir-num { color: var(--amber); }
.dir-card h3 { font-weight: 800; font-size: 1.14rem; letter-spacing: -0.015em; line-height: 1.15; }
.dir-card p { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.5; }
.dir-card:hover p { color: var(--on-ink-mute); }
.dir-card .more { margin-top: auto; font: 700 0.84rem/1 var(--grotesk); display: inline-flex; align-items: center; gap: 8px; }
.dir-card .more .arw { transition: transform var(--t); }
.dir-card:hover .more { color: var(--amber); }
.dir-card:hover .more .arw { transform: translateX(4px); }

/* ============================================================
   Product page
   ============================================================ */
.product-figure { border: 1px solid var(--ink); background: var(--paper-2); display: flex; align-items: center; justify-content: center; }
.product-figure img { width: 100%; height: auto; max-height: 440px; object-fit: contain; display: block; }

.callout { border-left: 3px solid var(--amber); background: var(--paper-2); padding: 20px 24px; }
.callout .k { display: block; font: 700 0.72rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber-deep); margin-bottom: 10px; }
.callout p { color: var(--ink-soft); line-height: 1.6; }

.aka { border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); display: grid; grid-template-columns: repeat(2, 1fr); }
.aka-row { border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 18px 22px; display: flex; flex-direction: column; gap: 6px; }
.aka-prov { font: 700 0.72rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber-deep); }
.aka-name { font-weight: 700; font-size: 1rem; letter-spacing: -0.01em; }

.proscons { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.proscons > div { border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: clamp(24px, 2.6vw, 38px); background: var(--paper); }
.proscons h3 { font: 700 0.74rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 20px; }
.proscons .pros h3 { color: var(--amber-deep); }
.proscons .cons h3 { color: var(--ink-soft); }
.proscons ul { display: flex; flex-direction: column; gap: 13px; }
.proscons li { display: flex; gap: 12px; line-height: 1.5; color: var(--ink-soft); font-size: 0.97rem; }
.proscons .pros li::before { content: "✓"; color: var(--amber-deep); font-weight: 800; flex-shrink: 0; }
.proscons .cons li::before { content: "—"; color: var(--ink-mute); font-weight: 800; flex-shrink: 0; }

.pricing-note { border: 1px solid var(--ink); background: var(--amber-soft); padding: clamp(24px, 2.6vw, 36px); }
.pricing-note .k { font: 700 0.74rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber-deep); margin-bottom: 12px; display: block; }
.pricing-note p { font-size: clamp(1.02rem, 1.5vw, 1.18rem); color: var(--ink); line-height: 1.55; }

/* ============================================================
   Coverage address lists
   ============================================================ */
.addr-list { columns: 260px auto; column-gap: 36px; border-top: 1px solid var(--ink); padding-top: 8px; }
.addr-list li { break-inside: avoid; padding: 10px 0; border-bottom: 1px solid var(--hair); display: flex; flex-direction: column; gap: 2px; }
.addr-list li::before { content: ""; }
.addr-list .main { font-size: 0.94rem; font-weight: 600; color: var(--ink); line-height: 1.3; }
.addr-list .alt { font-size: 0.78rem; color: var(--ink-mute); line-height: 1.3; }
.addr-list--links li { padding: 0; }
.addr-list--links li a { display: flex; flex-direction: column; gap: 2px; padding: 10px 0; transition: padding-left var(--t); }
.addr-list--links li a:hover { padding-left: 8px; }
.addr-list--links li a:hover .main { color: var(--amber-deep); text-decoration: underline; text-underline-offset: 3px; }

/* A–Z building accordion (district pages) */
.addr-letter { border-top: 1px solid var(--hair); }
.addr-letter > summary { list-style: none; cursor: pointer; padding: 16px 0; font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; gap: 12px; }
.addr-letter > summary::-webkit-details-marker { display: none; }
.addr-letter > summary::before { content: "+"; font: 400 1.4rem/1 var(--grotesk); color: var(--amber-deep); width: 0.8em; text-align: center; }
.addr-letter[open] > summary::before { content: "–"; }
.addr-letter .addr-count { font: 600 0.74rem/1 var(--mono); color: var(--ink-mute); }
.addr-letter > .addr-list { border-top: 0; padding-bottom: 18px; }

/* OpenStreetMap embed */
.osm { border: 1px solid var(--ink); background: var(--paper-2); }
.osm-frame { width: 100%; height: 380px; border: 0; display: block; }
.osm-link { display: inline-flex; align-items: center; gap: 8px; padding: 13px 18px; font: 700 0.82rem/1 var(--grotesk); border-top: 1px solid var(--ink); width: 100%; }
.osm-link:hover { color: var(--amber-deep); background: var(--paper-3); }
.osm-link .arw { transition: transform var(--t); }
.osm-link:hover .arw { transform: translateX(3px); }

/* Address search */
.addr-search { position: relative; display: flex; max-width: 720px; border: 1.5px solid var(--ink); background: var(--paper); transition: box-shadow var(--t); }
.addr-search:focus-within { box-shadow: 5px 5px 0 var(--amber); }
.addr-search input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 16px 18px; font-size: 1.02rem; }
.addr-search input:focus { outline: none; }
.addr-search button { border-left: 1.5px solid var(--ink); padding: 0 22px; }
.addr-suggest { position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 80; background: var(--paper); border: 1.5px solid var(--ink); max-height: 380px; overflow-y: auto; box-shadow: 6px 6px 0 rgba(21,19,15,0.12); }
.addr-suggest-item { display: flex; align-items: baseline; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--hair); color: var(--ink); }
.addr-suggest-item:last-child { border-bottom: 0; }
.addr-suggest-item:hover, .addr-suggest-item.active { background: var(--ink); color: var(--on-ink); }
.addr-suggest-item .as-icon { color: var(--amber-deep); flex-shrink: 0; font-size: 0.8rem; }
.addr-suggest-item:hover .as-icon, .addr-suggest-item.active .as-icon { color: var(--amber); }
.addr-suggest-item .as-main { flex: 1; font-weight: 600; font-size: 0.96rem; line-height: 1.3; }
.addr-suggest-item .as-alt { font-weight: 400; color: var(--ink-mute); font-size: 0.84rem; }
.addr-suggest-item:hover .as-alt, .addr-suggest-item.active .as-alt { color: var(--on-ink-mute); }
.addr-suggest-item .as-sub { font: 600 0.72rem/1.3 var(--mono); color: var(--ink-mute); flex-shrink: 0; white-space: nowrap; }
.addr-suggest-item:hover .as-sub, .addr-suggest-item.active .as-sub { color: var(--on-ink-mute); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-main { padding-right: 0; border-bottom: 1px solid var(--ink); }
  .datasheet { border-left: 0; }
  .grid-4, .stats, .steps { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: repeat(2, 1fr); }
  .feature-grid.cols-3, .feature-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .cta-inner { grid-template-columns: 1fr; }
  .catalog { grid-template-columns: repeat(2, 1fr); }
  .offer-inner { grid-template-columns: 1fr; }
  .offer-actions { justify-content: flex-start; }
  .dir { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .mainnav, .masthead-cta { display: none; }
  .menu-btn { display: inline-flex; }
  .lang { margin-left: auto; }
  .mainnav.open {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; left: 0; right: 0; top: 72px;
    background: var(--paper); border-bottom: 1px solid var(--ink);
    padding: 8px var(--gutter) 20px; margin: 0;
  }
  .mainnav.open a { padding: 14px 4px; border-bottom: 1px solid var(--hair); font-size: 1.05rem; }
  .mainnav.open a.active::after { display: none; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .grid-2, .grid-3, .grid-4, .stats, .steps, .quotes, .contact-grid,
  .pillars.grid-2, .plans, .feature-grid, .feature-grid.cols-2, .feature-grid.cols-3, .feature-grid.cols-4 {
    grid-template-columns: 1fr;
  }
  .pillar { min-height: 0; }
  .cta-actions .btn { width: 100%; }
  .wordmark-sub { display: none; }
  .pagehead-idx { display: none; }
  .qform .row2 { grid-template-columns: 1fr; }
  .faq-a { padding-left: 0; padding-right: 0; }
  .catalog { grid-template-columns: 1fr; }
  .dir, .aka, .proscons { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .ticker-track { animation: none; }
}