/* ============================================
   SKY BROADBAND COMPETITIVE ANALYSIS
   Monochrome Editorial / Brutalist Design
   ============================================ */

:root {
  --black: #0A0A0A;
  --white: #FAFAFA;
  --grey-100: #F0F0F0;
  --grey-200: #E0E0E0;
  --grey-400: #999999;
  --grey-600: #555555;
  --grey-800: #222222;
  --accent: #0A0A0A;
  --font-display: 'Syne', sans-serif;
  --font-serif: 'Instrument Serif', serif;
  --font-mono: 'Space Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font-display);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 2.5rem;
  background: var(--black);
  color: var(--white);
  border-bottom: 1px solid #333;
}

.nav-brand {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-label {
  font-size: 0.65rem;
  color: var(--grey-400);
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
  flex: 1;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--grey-400);
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2.5rem 4rem;
  border-bottom: 3px solid var(--black);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: 'SKY';
  position: absolute;
  top: 50%;
  right: -2%;
  transform: translateY(-50%);
  font-size: clamp(12rem, 30vw, 28rem);
  font-weight: 800;
  color: var(--grey-100);
  line-height: 1;
  pointer-events: none;
  z-index: 0;
  letter-spacing: -0.05em;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--grey-600);
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
  animation: fadeUp 0.6s ease both;
}

.hero-title {
  position: relative;
  z-index: 1;
  line-height: 0.9;
  margin-bottom: 2rem;
  animation: fadeUp 0.7s ease 0.1s both;
}

.hero-title-sky {
  font-size: clamp(5rem, 15vw, 14rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  display: block;
}

.hero-title-vs {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 5rem);
  font-style: italic;
  font-weight: 400;
  color: var(--grey-600);
  display: block;
  margin: 0.5rem 0;
}

.hero-title-rivals {
  font-size: clamp(1.5rem, 4vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  display: block;
  color: var(--grey-800);
}

.hero-sub {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-style: italic;
  color: var(--grey-600);
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
  animation: fadeUp 0.7s ease 0.2s both;
}

.hero-stats {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 2px solid var(--black);
  width: fit-content;
  position: relative;
  z-index: 1;
  animation: fadeUp 0.7s ease 0.3s both;
}

.stat-block {
  padding: 1.5rem 2.5rem;
  text-align: center;
}

.stat-num {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--grey-600);
  margin-top: 0.4rem;
  text-transform: uppercase;
}

.stat-divider {
  width: 2px;
  background: var(--black);
  flex-shrink: 0;
}

.hero-scroll {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--grey-400);
  margin-top: 3rem;
  position: relative;
  z-index: 1;
  animation: fadeUp 0.7s ease 0.5s both;
}

/* ============ SECTIONS ============ */
.section {
  padding: 6rem 2.5rem;
  border-bottom: 3px solid var(--black);
}

.section--dark {
  background: var(--black);
  color: var(--white);
}

.section-header {
  margin-bottom: 4rem;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 0 1.5rem;
  align-items: start;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--grey-400);
  grid-row: 1;
  padding-top: 0.5rem;
}

.section-num--light { color: #666; }

.section-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.95;
  grid-column: 2;
  grid-row: 1;
}

.section-title--light { color: var(--white); }

.section-desc {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--grey-600);
  grid-column: 2;
  grid-row: 2;
  margin-top: 0.75rem;
}

.section-desc--light { color: #888; }

/* ============ SPEED GRID ============ */
.speed-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 2px solid var(--black);
}

.speed-card {
  border-right: 2px solid var(--black);
  padding: 2rem 1.5rem;
  position: relative;
}

.speed-card:last-child { border-right: none; }

.speed-card--sky {
  background: var(--black);
  color: var(--white);
}

.speed-card-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid currentColor;
  opacity: 0.8;
}

.speed-card-provider {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.speed-card-network {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  opacity: 0.6;
  margin-top: 0.3rem;
}

.speed-tiers { display: flex; flex-direction: column; gap: 0.6rem; }

.tier {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(128,128,128,0.2);
}

.tier-speed {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.tier-unit {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  opacity: 0.6;
  letter-spacing: 0.05em;
}

.tier-name {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  opacity: 0.5;
  margin-left: auto;
  letter-spacing: 0.05em;
}

.tier--top .tier-speed { font-size: 1.6rem; }
.tier--ultra .tier-speed { font-size: 1.8rem; }
.tier--ultra { opacity: 0.7; }

.speed-card-note {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  opacity: 0.5;
  margin-top: 1rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
}

/* ============ PRICING CHART ============ */
.pricing-chart-wrap {
  margin-bottom: 4rem;
}

.chart-legend {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.legend-item {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-item::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
}

.legend-sky::before { background: var(--white); }
.legend-bt::before { background: #888; }
.legend-virgin::before { background: #555; }
.legend-voda::before { background: #333; border: 1px solid #666; }

.chart-rows { display: flex; flex-direction: column; gap: 1.5rem; }

.chart-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  gap: 1.5rem;
}

.chart-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: #888;
  text-align: right;
}

.bar-group {
  display: flex;
  gap: 4px;
  align-items: flex-end;
  height: 60px;
}

.bar {
  flex: 1;
  height: calc(var(--val) * 1%);
  min-height: 4px;
  max-height: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  transition: height 1s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: default;
}

.bar span {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.05em;
  position: absolute;
  top: -1.2rem;
  white-space: nowrap;
}

.bar-sky { background: var(--white); }
.bar-sky span { color: var(--white); }
.bar-bt { background: #888; }
.bar-bt span { color: #888; }
.bar-virgin { background: #555; }
.bar-virgin span { color: #555; }
.bar-voda { background: #333; border: 1px solid #666; }
.bar-voda span { color: #666; }
.bar-na { opacity: 0.2; min-height: 2px; }

/* ============ PRICE RISE ============ */
.price-rise-section { margin-bottom: 4rem; }

.subsection-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.subsection-title--light { color: var(--white); }

.rise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 2px solid #333;
}

.rise-card {
  padding: 1.5rem;
  border-right: 1px solid #333;
  position: relative;
}

.rise-card:last-child { border-right: none; }

.rise-card--winner {
  background: var(--white);
  color: var(--black);
}

.rise-provider {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: #888;
  margin-bottom: 0.5rem;
}

.rise-card--winner .rise-provider { color: #555; }

.rise-amount {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.rise-amount span {
  font-size: 0.9rem;
  font-weight: 400;
  opacity: 0.6;
}

.rise-note {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.05em;
  color: #888;
  line-height: 1.5;
}

.rise-card--winner .rise-note { color: #555; }

.rise-badge {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.2rem 0.5rem;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ============ COST CALLOUT ============ */
.cost-callout {
  border: 2px solid #333;
}

.callout-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 2.5rem 3rem;
  gap: 3rem;
}

.callout-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: #888;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.callout-compare {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.callout-provider {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.callout-name {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: #888;
}

.callout-price {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
}

.callout-price--high { color: #666; }

.callout-vs {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: #666;
}

.callout-right { text-align: right; }

.callout-saving-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: #888;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.callout-saving {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--white);
  line-height: 1;
}

.callout-saving-sub {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: #666;
  margin-top: 0.3rem;
}

/* ============ SWITCHING ============ */
.switching-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 2px solid var(--black);
}

.switch-card {
  border-right: 2px solid var(--black);
  padding: 2rem 1.5rem;
  position: relative;
}

.switch-card:last-child { border-right: none; }

.switch-card--sky {
  background: var(--black);
  color: var(--white);
}

.switch-rank {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--grey-400);
  margin-bottom: 0.5rem;
}

.switch-card--sky .switch-rank { color: #666; }

.switch-provider {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.switch-headline {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid currentColor;
  opacity: 0.9;
}

.switch-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.switch-item {
  display: flex;
  gap: 0.6rem;
  font-size: 0.8rem;
  line-height: 1.4;
}

.switch-icon {
  flex-shrink: 0;
  font-size: 0.5rem;
  margin-top: 0.3rem;
  opacity: 0.5;
}

.switch-badge {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.25rem 0.6rem;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ============ VERDICT ============ */
.verdict-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 2px solid #333;
  margin-bottom: 4rem;
}

.advantage-block {
  padding: 2.5rem 2rem;
  border-right: 1px solid #333;
  border-bottom: 1px solid #333;
  position: relative;
}

.advantage-block:nth-child(3),
.advantage-block:nth-child(6) { border-right: none; }

.advantage-block:nth-child(4),
.advantage-block:nth-child(5),
.advantage-block:nth-child(6) { border-bottom: none; }

.advantage-block--caution {
  background: #111;
}

.advantage-num {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: #666;
  margin-bottom: 0.75rem;
}

.advantage-title {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1rem;
}

.advantage-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: #aaa;
  margin-bottom: 1.5rem;
}

.advantage-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.advantage-tag--caution {
  background: #333;
  color: #aaa;
}

/* ============ SCORECARD ============ */
.scorecard-wrap { }

.scorecard-table-wrap {
  overflow-x: auto;
  border: 2px solid #333;
}

.scorecard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.scorecard-table th {
  padding: 1rem 1.5rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #888;
  border-bottom: 1px solid #333;
  background: #111;
}

.scorecard-table th.th-sky {
  background: var(--white);
  color: var(--black);
}

.scorecard-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #1a1a1a;
  color: #aaa;
  font-size: 0.8rem;
}

.scorecard-table tr:last-child td { border-bottom: none; }

.scorecard-table td.td-sky {
  background: #111;
  color: var(--white);
  font-weight: 700;
}

.stars {
  letter-spacing: 0.1em;
  font-size: 0.75rem;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 3rem 2.5rem;
  border-top: 3px solid var(--white);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-brand {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.05em;
  color: #555;
  line-height: 1.6;
  max-width: 80ch;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1100px) {
  .speed-grid { grid-template-columns: repeat(2, 1fr); }
  .speed-card:nth-child(2) { border-right: none; }
  .speed-card:nth-child(1),
  .speed-card:nth-child(2) { border-bottom: 2px solid var(--black); }

  .switching-grid { grid-template-columns: repeat(2, 1fr); }
  .switch-card:nth-child(2) { border-right: none; }
  .switch-card:nth-child(1),
  .switch-card:nth-child(2) { border-bottom: 2px solid var(--black); }

  .verdict-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-block:nth-child(3) { border-right: 1px solid #333; }
  .advantage-block:nth-child(2),
  .advantage-block:nth-child(4) { border-right: none; }
  .advantage-block:nth-child(4),
  .advantage-block:nth-child(5),
  .advantage-block:nth-child(6) { border-bottom: 1px solid #333; }
  .advantage-block:nth-child(5),
  .advantage-block:nth-child(6) { border-bottom: none; }

  .rise-grid { grid-template-columns: repeat(2, 1fr); }
  .rise-card:nth-child(2) { border-right: none; }
  .rise-card:nth-child(1),
  .rise-card:nth-child(2) { border-bottom: 1px solid #333; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-label { display: none; }

  .hero { padding: 7rem 1.5rem 3rem; }
  .hero::before { display: none; }

  .hero-stats {
    flex-direction: column;
    width: 100%;
  }
  .stat-divider { width: 100%; height: 2px; }

  .section { padding: 4rem 1.5rem; }

  .section-header {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .section-num { grid-row: auto; }
  .section-title { grid-column: 1; grid-row: auto; }
  .section-desc { grid-column: 1; grid-row: auto; }

  .speed-grid { grid-template-columns: 1fr; }
  .speed-card { border-right: none; border-bottom: 2px solid var(--black); }
  .speed-card:last-child { border-bottom: none; }

  .switching-grid { grid-template-columns: 1fr; }
  .switch-card { border-right: none; border-bottom: 2px solid var(--black); }
  .switch-card:last-child { border-bottom: none; }

  .verdict-grid { grid-template-columns: 1fr; }
  .advantage-block { border-right: none !important; border-bottom: 1px solid #333 !important; }
  .advantage-block:last-child { border-bottom: none !important; }

  .rise-grid { grid-template-columns: 1fr; }
  .rise-card { border-right: none; border-bottom: 1px solid #333; }
  .rise-card:last-child { border-bottom: none; }

  .callout-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .callout-right { text-align: left; }

  .chart-row { grid-template-columns: 80px 1fr; }

  .scorecard-table th,
  .scorecard-table td { padding: 0.75rem 1rem; }
}