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

/* ─── Design Tokens — exact match to app globals.css ────────────────────────── */
:root {
  --bg:           #0E0E0E;
  --surface:      #1A1A1A;
  --surface-2:    #222222;
  --surface-3:    #2A2A2A;
  --accent:       #4361EE;
  --accent-dim:   rgba(67, 97, 238, 0.18);
  --accent-glow:  rgba(67, 97, 238, 0.18);
  --text:         #F0F0F0;
  --text-muted:   #888888;
  --text-dim:     #444444;
  --border:       rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.12);

  --font: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1160px;

  /* No radius — neo-brutalism */
  --radius: 0px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* ─── Scrollbar ──────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { display: none; }
* { scrollbar-width: none; }

/* ─── Layout ─────────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

/* ─── Typography helpers ─────────────────────────────────────────────────────── */
.label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.label-accent {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.heading-xl {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
}

.heading-lg {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text);
}

.heading-md {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}

.body-muted {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
  border: none;
  cursor: pointer;
  transition: opacity 0.12s;
  font-family: var(--font);
  white-space: nowrap;
}
.btn:hover { opacity: 0.88; }
.btn:active { opacity: 0.75; }

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-surface {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-surface:hover { background: var(--surface-3); opacity: 1; }

.btn-lg { padding: 18px 32px; font-size: 16px; }

/* App Store badge — flat, matches app button style */
.badge-appstore {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  padding: 14px 24px;
  transition: border-color 0.12s, background 0.12s;
  cursor: pointer;
}
.badge-appstore:hover {
  border-color: rgba(255,255,255,0.2);
  background: var(--surface-2);
}
.badge-appstore .badge-icon { color: var(--text); flex-shrink: 0; }
.badge-appstore .badge-text { display: flex; flex-direction: column; }
.badge-appstore .badge-sub {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1;
  margin-bottom: 3px;
}
.badge-appstore .badge-main {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1;
}

/* Pro badge — matches app's inline badge style */
.pro-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 8px;
}

/* ─── Navigation ─────────────────────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s;
}
#nav.scrolled {
  background: rgba(14, 14, 14, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  flex-shrink: 0;
}
.nav-logo img { width: 28px; height: 28px; }
.nav-logo-dot { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.12s;
  letter-spacing: -0.01em;
}
.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: 0.25s;
}

/* ─── Hero ───────────────────────────────────────────────────────────────────── */
#hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* The signature app pattern: dark card with accent top border */
.hero-card {
  background: #0D0F18;
  border-top: 3px solid var(--accent);
  padding: 40px;
}

.hero-label { margin-bottom: 20px; }

.hero-title {
  margin-bottom: 20px;
}

.hero-title .accent { color: var(--accent); }

.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 460px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Stats row — mirrors app's metric row pattern */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  margin-top: 36px;
}
.hero-stat {
  padding: 20px 0;
  border-right: 1px solid var(--border);
}
.hero-stat:last-child { border-right: none; }
.hero-stat .stat-value {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat .stat-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Hero phone visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-phone-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-phone {
  width: 100%;
  animation: float 5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ─── Feature Strip ──────────────────────────────────────────────────────────── */
#strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.strip-track {
  display: flex;
  overflow: hidden;
}
.strip-inner {
  display: flex;
  animation: marquee 30s linear infinite;
  will-change: transform;
}
.strip-inner:hover { animation-play-state: paused; }
.strip-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-right: 1px solid var(--border);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.strip-item:hover { color: var(--text); }
.strip-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  flex-shrink: 0;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Section header ─────────────────────────────────────────────────────────── */
.section-header { margin-bottom: 56px; }
.section-header .label-accent { margin-bottom: 14px; }
.section-header .heading-lg { margin-bottom: 16px; }
.section-header.center { text-align: center; }
.section-header.center .body-muted { margin: 0 auto; max-width: 520px; }

/* ─── Features Grid ──────────────────────────────────────────────────────────── */
#features { background: var(--bg); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  /* gap via borders */
}
.feature-card {
  padding: 32px 28px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.feature-card:hover { background: var(--surface); }
.feature-card:nth-child(3n) { border-right: none; }
.feature-card:nth-last-child(-n+3) { border-bottom: none; }

.feature-icon {
  font-size: 24px;
  margin-bottom: 16px;
  line-height: 1;
}
.feature-card h3 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.feature-card .pro-badge { margin-top: 14px; }

/* ─── AI Section ─────────────────────────────────────────────────────────────── */
#ai { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.ai-features { display: flex; flex-direction: column; gap: 2px; }

/* Each AI feature: two-col layout, alternating */
.ai-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--border); /* gap colour */
  gap: 2px;
}
.ai-block-content {
  background: var(--bg);
  padding: 52px 48px;
}
.ai-block-visual {
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  min-height: 380px;
}
.ai-block-visual img {
  width: 200px;
  /* Square image containers — no radius */
}

.ai-block-content .label-accent { margin-bottom: 12px; }
.ai-block-content h3 {
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.15;
}
.ai-block-content .body-muted { margin-bottom: 24px; }

.ai-bullets { display: flex; flex-direction: column; gap: 10px; }
.ai-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}
.ai-bullets li::before {
  content: '';
  width: 2px;
  height: 14px;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ─── Calculators ────────────────────────────────────────────────────────────── */
#calculators { background: var(--bg); }

.calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
}
.calc-card {
  padding: 28px 24px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.calc-card:hover { background: var(--surface); }
.calc-card:nth-child(4n) { border-right: none; }

.calc-card .calc-icon { font-size: 22px; margin-bottom: 12px; line-height: 1; }
.calc-card h3 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  color: var(--text);
}
.calc-card p { font-size: 12px; color: var(--text-muted); line-height: 1.55; }
.calc-card .pro-badge { margin-top: 12px; }

/* Last row — remove bottom border */
.calc-card:nth-last-child(-n+4) { border-bottom: none; }

.offline-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 14px 18px;
  background: var(--surface);
  border-left: 3px solid #22c55e;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}
.offline-dot {
  width: 7px;
  height: 7px;
  background: #22c55e;
  flex-shrink: 0;
}

/* ─── Sky & Light ────────────────────────────────────────────────────────────── */
#sky { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.sky-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
}
.sky-card {
  background: var(--bg);
  padding: 44px 40px;
}
.sky-card .label-accent { margin-bottom: 12px; }
.sky-card h3 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}
.sky-card .body-muted { margin-bottom: 28px; }

/* Mirrors app's event row style */
.event-list { display: flex; flex-direction: column; }
.event-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.event-row:last-child { border-bottom: none; }
.event-row .event-name { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.event-row .event-time {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.event-row .event-time.good { color: #22c55e; }
.event-row .event-time.warn { color: var(--accent); }
.event-row .event-time.bad { color: #F87171; }

/* ─── Guides ─────────────────────────────────────────────────────────────────── */
#guides { background: var(--bg); }

.guides-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
}
.guides-content {
  background: var(--surface);
  padding: 52px 48px;
}
.guides-content .label-accent { margin-bottom: 12px; }
.guides-content h2 { margin-bottom: 14px; }
.guides-content .body-muted { margin-bottom: 28px; }

.topic-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.topic-tag {
  padding: 7px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-muted);
  transition: color 0.12s, border-color 0.12s;
}
.topic-tag:hover { color: var(--accent); border-color: rgba(67, 97, 238, 0.3); }

.guides-visual {
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  min-height: 400px;
}
.guides-visual img { width: 200px; }

/* ─── Reviews ────────────────────────────────────────────────────────────────── */
#reviews { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--border);
  gap: 1px;
}
.review-card {
  background: var(--bg);
  padding: 32px 28px;
}
.review-stars {
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 14px;
}
.review-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
  font-style: italic;
}
.review-author { font-size: 13px; font-weight: 700; color: var(--text); }
.review-meta { font-size: 11px; color: var(--text-dim); margin-top: 3px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }

/* ─── Pricing ────────────────────────────────────────────────────────────────── */
#pricing { background: var(--bg); }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 860px;
  margin: 0 auto;
  background: var(--border);
  gap: 1px;
}
.pricing-card {
  background: var(--surface);
  padding: 44px 40px;
  position: relative;
}
/* Featured card: accent top border — signature app pattern */
.pricing-card.featured {
  background: var(--surface-2);
  border-top: 3px solid var(--accent);
}
.pricing-best-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
}

.pricing-tier { margin-bottom: 12px; }
.pricing-amount {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}
.pricing-amount span { font-size: 18px; font-weight: 600; color: var(--text-muted); }
.pricing-period {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 600;
  margin-bottom: 32px;
}

.pricing-items { display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; }
.pricing-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
/* Mimics app's accent check mark */
.pricing-item .check {
  font-size: 11px;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
  width: 16px;
}
.pricing-item.dim { opacity: 0.3; }
.pricing-item.dim .check { color: var(--text-dim); }

.pricing-note {
  text-align: center;
  margin-top: 28px;
  font-size: 13px;
  color: var(--text-muted);
}
.pricing-note strong { color: var(--accent); font-weight: 700; }

/* ─── CTA ────────────────────────────────────────────────────────────────────── */
#cta {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 100px 0;
}
/* Accent top border on the CTA block — same pattern as hero card */
.cta-block {
  background: #0D0F18;
  border-top: 3px solid var(--accent);
  padding: 64px 48px;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-block .label-accent { margin-bottom: 20px; }
.cta-block .heading-xl { margin-bottom: 16px; }
.cta-block .body-muted { margin-bottom: 40px; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.cta-fine {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ─── Footer ─────────────────────────────────────────────────────────────────── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 56px 0 36px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
}
.footer-brand-logo img { width: 26px; height: 26px; }
.footer-tagline {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 240px;
}
.footer-social { display: flex; gap: 8px; }
.footer-social a {
  width: 34px; height: 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
  transition: border-color 0.12s, color 0.12s;
}
.footer-social a:hover { border-color: var(--accent); color: var(--accent); }

.footer-col h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col ul a {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  transition: color 0.12s;
}
.footer-col ul a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 12px; color: var(--text-dim); font-weight: 600; letter-spacing: 0.02em; }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 12px; color: var(--text-dim); font-weight: 600; letter-spacing: 0.02em; transition: color 0.12s; }
.footer-legal a:hover { color: var(--text-muted); }

/* ─── Scroll reveal ──────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card:nth-child(3n) { border-right: 1px solid var(--border); }
  .feature-card:nth-child(2n) { border-right: none; }
  .calc-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-card:nth-child(4n) { border-right: 1px solid var(--border); }
  .calc-card:nth-child(2n) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }

  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  #nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: rgba(14,14,14,0.97);
    backdrop-filter: blur(12px);
    padding: 28px 24px 20px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }
  #nav.open .nav-cta {
    display: block;
    position: fixed;
    top: auto;
    left: 0; right: 0;
    padding: 0 24px 24px;
    background: rgba(14,14,14,0.97);
  }
  #nav.open .nav-cta .btn { width: 100%; }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-phone { width: 180px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }

  .features-grid { grid-template-columns: 1fr; }
  .feature-card:nth-child(n) { border-right: none; }
  .feature-card:nth-last-child(1) { border-bottom: none; }
  .feature-card:nth-last-child(2) { border-bottom: 1px solid var(--border); }
  .feature-card:nth-last-child(3) { border-bottom: 1px solid var(--border); }

  .ai-block { grid-template-columns: 1fr; }
  .ai-block-visual { display: none; }
  .ai-block-content { padding: 36px 28px; }

  .calc-grid { grid-template-columns: 1fr; }
  .calc-card:nth-child(n) { border-right: none; border-bottom: 1px solid var(--border); }
  .calc-card:last-child { border-bottom: none; }

  .sky-grid { grid-template-columns: 1fr; }
  .guides-layout { grid-template-columns: 1fr; }
  .guides-visual { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-block { padding: 44px 28px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-card { padding: 28px 20px; }
  .cta-actions { flex-direction: column; align-items: stretch; }
}