/* FIBER TELECOM — light, precise, quiet-luxury ISP site
   Not a template. Custom grid, custom type scale. */

:root {
  --ink-900: #0a1628;
  --ink-800: #0f1e36;
  --ink-700: #1e2d47;
  --ink-500: #4a5875;
  --ink-400: #6b7896;
  --ink-300: #94a0b8;
  --ink-200: #c8d0e0;
  --ink-100: #e4e9f2;
  --ink-50:  #f3f6fb;
  --paper:   #fbfcfe;
  --white:   #ffffff;

  --brand:      #0d5cff;
  --brand-600:  #0849d1;
  --brand-700:  #063aa8;
  --brand-50:   #eaf1ff;
  --accent:     #14e0a7;
  --accent-ink: #046a4f;
  --warn:       #ff8a3d;

  --radius:    14px;
  --radius-lg: 22px;
  --radius-sm: 8px;

  --shadow-xs: 0 1px 2px rgba(15,30,54,.05);
  --shadow-sm: 0 2px 6px rgba(15,30,54,.06), 0 1px 2px rgba(15,30,54,.04);
  --shadow-md: 0 12px 30px -12px rgba(10,22,40,.18), 0 4px 10px -4px rgba(10,22,40,.08);
  --shadow-lg: 0 30px 60px -20px rgba(10,22,40,.22);

  --max: 1220px;
  --gut: clamp(18px, 3vw, 32px);

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-800);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}
img, svg { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-700); }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink-900);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 .5em;
  font-weight: 600;
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); letter-spacing: -0.035em; font-weight: 500; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: -0.028em; }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1em; color: var(--ink-500); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section-tight { padding: clamp(48px, 6vw, 80px) 0; }

/* =============== eyebrow label =============== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 18px;
  font-weight: 500;
}
.eyebrow::before {
  content: ""; width: 24px; height: 1px; background: currentColor;
}
.eyebrow.center { justify-content: center; }
.eyebrow.muted { color: var(--ink-400); }

/* =============== buttons =============== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  transition: all .2s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn svg { width: 13px; height: 13px; transition: transform .25s ease; opacity: .8; }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--ink-900);
  color: var(--white);
}
.btn-primary:hover { background: var(--brand); color: var(--white); }

.btn-ghost {
  color: var(--ink-800);
  border-color: var(--ink-200);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--ink-900); background: var(--white); color: var(--ink-900); }

.btn-link {
  color: var(--ink-900);
  padding: 0;
  font-weight: 500;
  gap: 6px;
  border-radius: 0;
  border-bottom: 1px solid var(--ink-900);
  padding-bottom: 2px;
}
.btn-link:hover { color: var(--brand); border-color: var(--brand); }

/* =============== navigation =============== */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(251,252,254,.78);
  border-bottom: 1px solid transparent;
  transition: all .3s ease;
}
.nav.scrolled { border-bottom-color: var(--ink-100); background: rgba(251,252,254,.92); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px;
  max-width: var(--max); margin: 0 auto;
  padding: 0 var(--gut);
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 600; font-size: 18px;
  color: var(--ink-900);
  letter-spacing: -0.01em;
}
.logo-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--ink-900) 0%, var(--brand) 100%);
  position: relative;
  box-shadow: 0 6px 18px -4px rgba(13,92,255,.35);
}
.logo-mark::before, .logo-mark::after {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit;
}
.logo-mark::before {
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.35), transparent 50%);
}
.logo-mark::after {
  border: 1.5px solid rgba(255,255,255,.25);
  margin: 6px;
  border-radius: 5px;
}
.logo small { display: block; font-size: 10px; font-weight: 400; color: var(--ink-400); letter-spacing: .12em; text-transform: uppercase; font-family: var(--font-mono);}

.menu {
  display: flex; gap: 4px;
  list-style: none; padding: 0; margin: 0;
}
.menu a {
  display: block; padding: 10px 14px;
  color: var(--ink-700); font-size: 14.5px; font-weight: 500;
  border-radius: 8px;
  transition: all .15s;
  white-space: nowrap;
}
.menu a:hover, .menu a.active {
  color: var(--ink-900);
  background: var(--ink-50);
}
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 13px;
  color: var(--ink-700);
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--ink-100);
  background: var(--white);
}
.nav-phone:hover { color: var(--brand); border-color: var(--brand); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px; border-radius: 10px;
  border: 1px solid var(--ink-100); background: var(--white);
  align-items: center; justify-content: center;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px;
  background: var(--ink-900);
  position: relative;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px;
  background: var(--ink-900);
  transition: all .25s;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

@media (max-width: 980px) {
  .menu, .nav-phone { display: none; }
  .nav-toggle { display: inline-flex; }
  .menu.open {
    display: flex; flex-direction: column; gap: 2px;
    position: absolute; left: 0; right: 0; top: 74px;
    background: var(--white);
    padding: 18px var(--gut) 28px;
    border-top: 1px solid var(--ink-100);
    box-shadow: var(--shadow-md);
  }
  .menu.open a { font-size: 18px; padding: 14px; }
}

/* =============== hero =============== */
.hero {
  padding-top: clamp(60px, 8vw, 110px);
  padding-bottom: clamp(80px, 10vw, 140px);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1000px 520px at 85% -10%, rgba(13,92,255,.10), transparent 60%),
    radial-gradient(700px 480px at 5% 20%, rgba(20,224,167,.09), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.hero .wrap { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--brand) 0%, #5a8cff 55%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero .lead {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  max-width: 560px;
  color: var(--ink-500);
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-meta {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px; margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--ink-100);
  max-width: 560px;
}
.hero-meta div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink-900);
  letter-spacing: -.01em;
  font-weight: 600;
  margin-bottom: 2px;
}
.hero-meta div span {
  font-size: 12.5px;
  color: var(--ink-400);
}

/* hero visual */
.hero-visual {
  position: relative;
  aspect-ratio: 1/1;
  max-width: 520px;
  justify-self: end;
  width: 100%;
}
.hero-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 22px 24px;
}
.hero-card-main {
  inset: 8% 6% 8% 6%;
  background: linear-gradient(155deg, var(--ink-900) 0%, #10213c 60%, var(--brand-700) 120%);
  color: var(--white);
  padding: 36px 38px;
  overflow: hidden;
}
.hero-card-main::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(20,224,167,.28), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(90,140,255,.3), transparent 45%);
  pointer-events: none;
}
.hero-card-main .tag {
  font-family: var(--font-mono); font-size: 11px;
  color: rgba(255,255,255,.6);
  letter-spacing: .15em; text-transform: uppercase;
  position: relative;
}
.hero-card-main .speed {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 4.2rem);
  font-weight: 500;
  letter-spacing: -.035em;
  margin: 14px 0 10px;
  position: relative;
  background: linear-gradient(120deg, #ffffff 0%, #a9c4ff 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero-card-main .speed small { font-size: .4em; color: rgba(255,255,255,.6); margin-left: 6px; letter-spacing: 0; }
.hero-card-main .desc { color: rgba(255,255,255,.7); font-size: 14.5px; max-width: 300px; position: relative; line-height: 1.55; }
.hero-card-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.12);
  position: relative;
}
.hero-card-stats div strong {
  display: block;
  font-family: var(--font-display);
  font-size: .95rem;
  color: rgba(255,255,255,.95);
  font-weight: 600;
  letter-spacing: -.01em;
  margin-bottom: 2px;
}
.hero-card-stats div span {
  font-size: 11px;
  color: rgba(255,255,255,.45);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.hero-card-main .bars {
  position: absolute; bottom: 28px; left: 30px; right: 30px;
  display: flex; gap: 6px; align-items: flex-end; height: 40px;
}
.hero-card-main .bars span {
  flex: 1; background: linear-gradient(180deg, rgba(20,224,167,.9), rgba(20,224,167,.25));
  border-radius: 2px;
  animation: grow 2.4s ease-in-out infinite;
}
.hero-card-main .bars span:nth-child(1){ animation-delay: -0.0s; }
.hero-card-main .bars span:nth-child(2){ animation-delay: -0.4s; }
.hero-card-main .bars span:nth-child(3){ animation-delay: -0.8s; }
.hero-card-main .bars span:nth-child(4){ animation-delay: -1.2s; }
.hero-card-main .bars span:nth-child(5){ animation-delay: -1.6s; }
.hero-card-main .bars span:nth-child(6){ animation-delay: -2.0s; }
@keyframes grow {
  0%, 100% { height: 20%; }
  50%      { height: 100%; }
}

/* =============== logo bar =============== */
.logobar {
  border-top: 1px solid var(--ink-100);
  border-bottom: 1px solid var(--ink-100);
  padding: 32px 0;
  background: var(--white);
}
.logobar .wrap {
  display: flex; gap: clamp(24px, 4vw, 56px);
  align-items: center; justify-content: center;
  flex-wrap: wrap;
  text-align: center;
}
.logobar-label {
  font-family: var(--font-mono);
  font-size: 11px; color: var(--ink-400);
  letter-spacing: .14em; text-transform: uppercase;
  margin: 0;
  flex-shrink: 0;
}
.logobar-label::after {
  content: ""; display: inline-block;
  width: 24px; height: 1px;
  background: var(--ink-200);
  vertical-align: middle;
  margin-left: 16px;
}
.logobar-items {
  display: flex; gap: clamp(20px, 3.5vw, 48px); flex-wrap: wrap;
  align-items: center; justify-content: center;
  font-family: var(--font-display);
  color: var(--ink-400);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -.01em;
}
.logobar-items span { white-space: nowrap; }

/* =============== services grid =============== */
.services {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.services-head {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  margin-bottom: 32px;
  align-items: end;
}
@media (max-width: 780px) {
  .services-head { grid-template-columns: 1fr; gap: 20px; }
}
.services-head p { max-width: 440px; margin: 0; }

.service {
  grid-column: span 4;
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: 38px 38px 34px;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.service::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  opacity: 0; transition: opacity .3s;
}
.service:hover {
  border-color: var(--ink-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.service:hover::before { opacity: 1; }
.service-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--brand-50);
  color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.service-icon svg { width: 26px; height: 26px; }
.service h3 { margin-bottom: 8px; font-size: 1.35rem; }
.service p { margin-bottom: 20px; }
.service ul {
  list-style: none; padding: 0; margin: 0 0 24px;
  border-top: 1px dashed var(--ink-100);
  padding-top: 20px;
}
.service ul li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--ink-700);
  padding: 6px 0;
}
.service ul li::before {
  content: ""; margin-top: 9px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--brand);
  flex-shrink: 0;
}
.service .btn-link { font-size: 14px; }

@media (max-width: 1020px) {
  .service { grid-column: span 6; }
}
@media (max-width: 720px) {
  .service { grid-column: span 12; padding: 30px 26px; }
}

/* =============== feature split =============== */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 7vw, 90px);
  align-items: center;
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
}
.split-text .lead {
  font-size: 1.1rem; max-width: 500px;
}
.feature-list {
  list-style: none; padding: 0; margin: 28px 0 0;
  display: grid; gap: 20px;
}
.feature-list li {
  display: grid; grid-template-columns: 42px 1fr; gap: 16px;
  padding-top: 20px; border-top: 1px solid var(--ink-100);
}
.feature-list li:first-child { padding-top: 0; border-top: 0; }
.feature-list .num {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--brand); letter-spacing: .1em;
  padding-top: 3px;
}
.feature-list h4 {
  font-family: var(--font-display);
  font-size: 1.05rem; color: var(--ink-900);
  margin: 0 0 4px; font-weight: 600;
}
.feature-list p { margin: 0; font-size: 14.5px; }

/* stats card block */
.stat-card {
  background: var(--ink-900);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 85% 15%, rgba(20,224,167,.18), transparent 45%),
    radial-gradient(circle at 15% 85%, rgba(13,92,255,.3), transparent 50%);
  pointer-events: none;
}
.stat-card > * { position: relative; }
.stat-card h3 {
  color: var(--white);
  font-size: 1.45rem;
  margin-bottom: 6px;
  max-width: 360px;
}
.stat-card .stat-sub { color: rgba(255,255,255,.6); font-size: 14px; margin-bottom: 40px; }

.stat-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 28px 18px;
}
.stat-grid dt {
  font-family: var(--font-display); font-weight: 500;
  font-size: 1.9rem;
  letter-spacing: -.025em;
  color: var(--white);
  line-height: 1.05;
}
.stat-grid dt small {
  font-size: .5em; color: rgba(255,255,255,.55);
  font-family: var(--font-mono); font-weight: 400;
  letter-spacing: .08em;
  margin-left: 4px;
}
.stat-grid dd {
  margin: 4px 0 0;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  line-height: 1.4;
}

/* =============== process =============== */
.process-bg {
  background: linear-gradient(180deg, var(--ink-50) 0%, var(--paper) 100%);
}
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
  position: relative;
}
.process::before {
  content: ""; position: absolute;
  top: 46px; left: 6%; right: 6%; height: 1px;
  background: repeating-linear-gradient(90deg, var(--ink-200) 0 6px, transparent 6px 12px);
  z-index: 0;
}
.process-step {
  position: relative; z-index: 1;
  padding: 0 20px;
  text-align: center;
  counter-increment: step;
}
.process-step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  width: 92px; height: 92px; margin: 0 auto 24px;
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink-900);
  font-weight: 500;
  line-height: 92px;
  letter-spacing: -.02em;
  box-shadow: var(--shadow-sm);
  transition: all .25s;
}
.process-step:hover::before {
  background: var(--ink-900);
  color: var(--white);
  border-color: var(--ink-900);
  transform: translateY(-3px);
}
.process-step h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ink-900);
  margin: 0 0 8px;
  font-weight: 600;
}
.process-step p {
  font-size: 14px;
  max-width: 220px;
  margin: 0 auto;
}
@media (max-width: 860px) {
  .process { grid-template-columns: 1fr 1fr; row-gap: 44px; }
  .process::before { display: none; }
}
@media (max-width: 520px) { .process { grid-template-columns: 1fr; } }

/* =============== faq =============== */
.faq {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 60px;
}
@media (max-width: 860px) { .faq { grid-template-columns: 1fr; gap: 30px; } }
.faq-list { border-top: 1px solid var(--ink-100); }
.faq-item {
  border-bottom: 1px solid var(--ink-100);
  padding: 4px 0;
}
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; gap: 24px;
  padding: 22px 4px;
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 500;
  color: var(--ink-900);
  text-align: left;
}
.faq-q-icon {
  flex-shrink: 0;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--ink-200);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-700);
  transition: all .25s;
}
.faq-q-icon svg { width: 14px; height: 14px; transition: transform .3s; }
.faq-item.open .faq-q-icon { background: var(--ink-900); color: var(--white); border-color: var(--ink-900); }
.faq-item.open .faq-q-icon svg { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease;
}
.faq-a-inner { padding: 0 4px 24px; color: var(--ink-500); font-size: 15px; max-width: 560px; }
.faq-item.open .faq-a { max-height: 400px; }

/* =============== cta banner =============== */
.cta-banner {
  background: var(--ink-900);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 68px);
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 100% 0%, rgba(20,224,167,.18), transparent 40%),
    radial-gradient(circle at 0% 100%, rgba(13,92,255,.3), transparent 50%);
}
.cta-banner > * { position: relative; }
.cta-banner h2 { color: var(--white); max-width: 480px; margin-bottom: 14px; }
.cta-banner p { color: rgba(255,255,255,.7); max-width: 480px; margin-bottom: 0; }
.cta-banner .btn-primary {
  background: var(--white); color: var(--ink-900);
  justify-self: end;
}
.cta-banner .btn-primary:hover { background: var(--accent); color: var(--ink-900); }
@media (max-width: 780px) {
  .cta-banner { grid-template-columns: 1fr; }
  .cta-banner .btn-primary { justify-self: start; }
}

/* =============== footer =============== */
.footer {
  background: var(--white);
  border-top: 1px solid var(--ink-100);
  padding: 72px 0 36px;
  font-size: 14px;
  color: var(--ink-500);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h5 {
  font-family: var(--font-display); font-size: 13px;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-900);
  margin: 0 0 16px;
  font-weight: 600;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: var(--ink-500); }
.footer ul a:hover { color: var(--ink-900); }
.footer-brand p { font-size: 14px; max-width: 320px; margin: 16px 0 0; }
.footer-bottom {
  border-top: 1px solid var(--ink-100);
  padding-top: 28px;
  display: flex; flex-wrap: wrap; gap: 16px;
  justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-400);
  letter-spacing: .02em;
}
.footer-bottom-meta { display: flex; gap: 20px; flex-wrap: wrap; }

/* =============== sub-page hero =============== */
.sub-hero {
  padding: 72px 0 72px;
  border-bottom: 1px solid var(--ink-100);
  background:
    radial-gradient(800px 400px at 90% -10%, rgba(13,92,255,.08), transparent 55%),
    var(--paper);
}
.crumbs {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: .08em; color: var(--ink-400);
  margin-bottom: 20px;
}
.crumbs a { color: var(--ink-400); }
.crumbs a:hover { color: var(--ink-900); }
.crumbs span { margin: 0 8px; }
.sub-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  max-width: 760px;
  margin-bottom: 16px;
}
.sub-hero .lead { font-size: 1.1rem; max-width: 620px; color: var(--ink-500); }

/* =============== tariff cards =============== */
.tariffs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 860px) { .tariffs { grid-template-columns: 1fr; } }
.tariff {
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  position: relative;
  display: flex; flex-direction: column;
}
.tariff.featured {
  background: var(--ink-900);
  color: var(--white);
  border-color: var(--ink-900);
}
.tariff-badge {
  position: absolute; top: -11px; left: 24px;
  background: var(--accent); color: var(--accent-ink);
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 11px; border-radius: 999px; font-weight: 600;
}
.tariff h3 {
  font-size: 1.05rem;
  color: var(--ink-500);
  font-family: var(--font-mono);
  letter-spacing: .08em; text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 18px;
}
.tariff.featured h3 { color: rgba(255,255,255,.6); }
.tariff .speed {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 500;
  letter-spacing: -.03em;
  color: var(--ink-900);
  line-height: 1;
}
.tariff .speed small { font-size: .35em; color: var(--ink-400); font-weight: 400; margin-left: 4px; letter-spacing: 0; }
.tariff.featured .speed { color: var(--white); }
.tariff.featured .speed small { color: rgba(255,255,255,.55); }
.tariff .desc { margin-top: 10px; font-size: 14.5px; min-height: 44px; }
.tariff.featured .desc { color: rgba(255,255,255,.7); }
.tariff ul {
  list-style: none; padding: 0; margin: 24px 0 28px;
  border-top: 1px solid var(--ink-100);
  padding-top: 20px;
}
.tariff.featured ul { border-top-color: rgba(255,255,255,.15); }
.tariff ul li {
  display: flex; gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  color: var(--ink-700);
}
.tariff.featured ul li { color: rgba(255,255,255,.82); }
.tariff ul li svg { width: 16px; height: 16px; color: var(--brand); flex-shrink: 0; margin-top: 3px; }
.tariff.featured ul li svg { color: var(--accent); }
.tariff .btn { margin-top: auto; justify-content: center; }
.tariff .btn-ghost { border-color: var(--ink-200); }
.tariff.featured .btn-ghost { border-color: rgba(255,255,255,.25); color: var(--white); }
.tariff.featured .btn-ghost:hover { background: var(--white); color: var(--ink-900); border-color: var(--white); }

/* =============== info rows (specs) =============== */
.specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 40px;
  border-top: 1px solid var(--ink-100);
}
@media (max-width: 720px) { .specs { grid-template-columns: 1fr; } }
.specs .row {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ink-100);
}
.specs .row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-400);
  padding-top: 2px;
}
.specs .row dd {
  margin: 0;
  color: var(--ink-800);
  font-size: 15px;
}

/* =============== billing card =============== */
.billing-card {
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 56px);
  max-width: 900px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}
.billing-card h2 {
  margin-bottom: 36px;
  font-size: 1.7rem;
}
.billing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 40px;
}
@media (max-width: 780px) { .billing-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; } }
@media (max-width: 480px) { .billing-grid { grid-template-columns: 1fr; } }
.billing-grid > div {
  border-left: 2px solid var(--brand);
  padding-left: 16px;
}
.billing-grid span {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 6px;
}
.billing-grid strong {
  display: block;
  font-weight: 500;
  color: var(--ink-900);
  font-size: 15px;
  line-height: 1.5;
}

/* =============== contact page =============== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-card h3 { font-size: 1.2rem; margin-bottom: 20px; }
.contact-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 22px;
}
.contact-list li {
  display: grid; grid-template-columns: 44px 1fr; gap: 16px;
  align-items: flex-start;
}
.contact-list svg {
  width: 22px; height: 22px; color: var(--brand);
  padding: 10px; box-sizing: content-box;
  background: var(--brand-50); border-radius: 11px;
}
.contact-list .label { font-size: 12px; color: var(--ink-400); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .1em; }
.contact-list .value { color: var(--ink-900); font-size: 15px; font-weight: 500; }

form.inquiry { display: grid; gap: 18px; }
.inquiry label {
  display: block;
  font-size: 13px; color: var(--ink-500);
  font-weight: 500;
  margin-bottom: 6px;
}
.inquiry input, .inquiry textarea, .inquiry select {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink-100);
  background: var(--white);
  font: inherit;
  color: var(--ink-900);
  transition: all .2s;
}
.inquiry input:focus, .inquiry textarea:focus, .inquiry select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-50);
}
.inquiry textarea { min-height: 120px; resize: vertical; }
.inquiry-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 520px) { .inquiry-row { grid-template-columns: 1fr; } }

/* =============== misc decorative =============== */
.divider-line {
  height: 1px; background: linear-gradient(90deg, transparent, var(--ink-200), transparent);
  max-width: 100px; margin: 0 auto 20px;
}
.text-center { text-align: center; }
.max-700 { max-width: 700px; margin-left: auto; margin-right: auto; }
.two-col {
  columns: 2;
  column-gap: 48px;
}
.two-col p { break-inside: avoid; }
@media (max-width: 720px) { .two-col { columns: 1; } }

.badge-row {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px;
}
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white);
  border: 1px solid var(--ink-100);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-700);
  font-family: var(--font-mono);
  letter-spacing: .05em;
}
.badge svg { width: 14px; height: 14px; color: var(--accent); }

/* animated fade in */
.reveal { opacity: 0; transform: translateY(20px); transition: all .7s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: none; }
.reveal.delay-1 { transition-delay: .08s; }
.reveal.delay-2 { transition-delay: .16s; }
.reveal.delay-3 { transition-delay: .24s; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}