/* ============================================
   Blanc VPN — minimalist editorial stylesheet
   Pure white canvas · electric blue accent
   Sora display + Manrope body · sharp 0px corners
   ============================================ */

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: 0;
  color: inherit;
}

ul {
  list-style: none;
}

/* ---------- Tokens ---------- */
:root {
  --primary: #000000;
  --accent: #3B82F6;
  --bg: #FFFFFF;
  --bg-alt: #FAFAFA;
  --text: #000000;
  --text-muted: #525252;
  --card-bg: #FFFFFF;
  --border: #E5E5E5;
  --border-strong: #000000;
  --radius: 0px;
  --maxw: 1200px;
  --gutter: 32px;
  --pad-y: 120px;
  --font-head: 'Sora', sans-serif;
  --font-body: 'Manrope', sans-serif;
}

/* ---------- Base ---------- */
html,
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern" 1, "liga" 1;
}

body {
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--primary);
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 700;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-muted);
  font-size: 1.02rem;
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section {
  padding: var(--pad-y) 0;
  position: relative;
}

section.alt {
  background: var(--bg-alt);
}

/* ---------- Header (white sticky, thin bottom border) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: #000;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: #000;
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.93rem;
  font-weight: 500;
  color: #000;
  letter-spacing: -0.005em;
  transition: opacity 0.18s;
}

.nav-links a:hover {
  opacity: 0.55;
}

.nav-links a.nav-cta {
  color: #000000;
  font-weight: 800;
  border-bottom: 2px solid #000;
  padding: 6px 0;
  transition: all 0.18s;
}

.nav-links a.nav-cta:hover {
  color: #000000;
  opacity: 1;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 32px;
  height: 32px;
  justify-content: center;
  align-items: center;
}

.burger span {
  width: 22px;
  height: 1.5px;
  background: #000;
  transition: transform 0.25s;
}

/* ---------- Mobile nav ---------- */
.mobile-nav {
  position: fixed;
  inset: 80px 0 auto 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  transform: translateY(-150%);
  transition: transform 0.3s ease;
  z-index: 99;
  padding: 32px var(--gutter);
}

.mobile-nav.open {
  transform: translateY(0);
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mobile-nav a {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 600;
  color: #000;
}

/* ---------- Buttons (sharp 0px corners) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 32px;
  border-radius: 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.97rem;
  letter-spacing: 0.01em;
  transition: all 0.2s;
  cursor: pointer;
  border: 1.5px solid transparent;
  text-align: center;
  min-height: 56px;
}

.btn-primary {
  background: #000;
  color: #fff;
  border-color: #000;
}

.btn-primary:hover {
  background: #fff;
  color: #000;
  border-color: #000;
}

.btn-outline {
  background: transparent;
  color: #000;
  border-color: #000;
}

.btn-outline:hover {
  background: #000;
  color: #fff;
}

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

.btn-accent:hover {
  background: #000;
  color: #fff;
  border-color: #000;
}

/* ---------- Hero (minimalist white, large typography) ---------- */
.hero {
  padding: 140px 0 160px;
  background: #fff;
  position: relative;
}

.hero-mark {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: 8px;
  border-bottom: 1px solid #000;
  margin-bottom: 48px;
}

.hero h1 {
  margin: 0 0 36px;
  max-width: 14ch;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
  font-weight: 800;
}

.hero-lede {
  font-size: 1.18rem;
  color: var(--text-muted);
  max-width: 62ch;
  line-height: 1.55;
  margin-bottom: 56px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 72px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero-meta-num {
  font-family: var(--font-head);
  font-size: 1.7rem;
  font-weight: 800;
  color: #000;
  letter-spacing: -0.03em;
}

.hero-meta-cap {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
}

/* ---------- Stats row ---------- */
.stats {
  padding: 80px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stats-item {
  text-align: left;
  padding: 0 32px;
  border-left: 1px solid var(--border);
}

.stats-item:first-child {
  border-left: 0;
  padding-left: 0;
}

.stats-item .num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  color: #000;
  letter-spacing: -0.04em;
  line-height: 1;
  display: block;
  margin-bottom: 10px;
}

.stats-item .lab {
  font-size: 0.84rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ---------- Section header ---------- */
.section-head {
  margin-bottom: 80px;
  max-width: 60ch;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.section-head p {
  margin-top: 20px;
  font-size: 1.05rem;
  max-width: 55ch;
}

/* ---------- Features (dashed border cards) ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature {
  background: #fff;
  border: 1.5px dashed #000;
  padding: 36px 32px;
  transition: transform 0.25s, background 0.25s;
}

.feature:hover {
  background: var(--bg-alt);
}

.feature .num {
  display: block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.feature h3 {
  margin-bottom: 14px;
  font-size: 1.22rem;
}

.feature p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---------- Platforms ---------- */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.platform {
  padding: 48px 36px;
  background: #fff;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
  display: block;
}

.platform:hover {
  background: var(--bg-alt);
}

.platform-tag {
  display: block;
  font-family: var(--font-head);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.platform h3 {
  font-size: 1.55rem;
  margin-bottom: 8px;
}

.platform p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.platform-arrow {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  color: #000;
  letter-spacing: 0.04em;
}

.platform-arrow::after {
  content: " →";
  color: var(--accent);
}

/* ---------- Manifesto block ---------- */
.manifesto {
  padding: 140px 0;
  background: #fff;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.manifesto h2 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
}

.manifesto-body {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.manifesto-body p {
  font-size: 1.06rem;
  line-height: 1.75;
  color: #1a1a1a;
}

.manifesto-body p strong {
  color: #000;
  font-weight: 700;
}

.manifesto-body p:first-of-type::first-letter {
  font-family: var(--font-head);
  font-size: 3.4rem;
  font-weight: 800;
  float: left;
  line-height: 0.9;
  padding: 6px 14px 0 0;
  color: #000;
}

/* ---------- Use-cases / list rows ---------- */
.uses {
  padding: 120px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.uses-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.use-row {
  display: grid;
  grid-template-columns: 80px 1fr 2.2fr;
  gap: 32px;
  align-items: start;
  padding: 36px 0;
  border-top: 1px solid var(--border);
}

.use-row:last-child {
  border-bottom: 1px solid var(--border);
}

.use-row .idx {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.use-row h3 {
  font-size: 1.4rem;
}

.use-row p {
  font-size: 1rem;
  line-height: 1.6;
}

/* ---------- Price (minimalist single row) ---------- */
.price {
  padding: 120px 0;
}

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 32px;
  padding: 48px 0;
  border-top: 2px solid #000;
  border-bottom: 2px solid #000;
  flex-wrap: wrap;
}

.price-name {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #000;
  letter-spacing: -0.02em;
}

.price-amount {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  color: #000;
  letter-spacing: -0.03em;
}

.price-amount em {
  color: var(--accent);
  font-style: normal;
}

.price-note {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 28ch;
  text-align: right;
  line-height: 1.4;
}

.price-cta {
  margin-top: 40px;
  display: flex;
  justify-content: flex-end;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  padding: 120px 0;
  background: #000;
  color: #fff;
  text-align: center;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 24px;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner p {
  color: #a3a3a3;
  font-size: 1.1rem;
  margin-bottom: 48px;
  max-width: 55ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #000;
  border-color: #fff;
}

.cta-banner .btn-primary:hover {
  background: #000;
  color: #fff;
  border-color: #fff;
}

/* ---------- FAQ (two-column open grid) ---------- */
.faq {
  padding: 140px 0;
  background: #fff;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 64px;
}

.faq-item {
  padding-top: 28px;
  border-top: 1px solid #000;
}

.faq-item h3 {
  font-size: 1.1rem;
  margin-bottom: 14px;
  line-height: 1.3;
  font-weight: 700;
}

.faq-item p {
  font-size: 0.96rem;
  line-height: 1.65;
  color: #262626;
}

/* ---------- Footer (single row minimal) ---------- */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-row .logo {
  font-size: 1rem;
}

.footer-meta {
  font-size: 0.84rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  gap: 28px;
  font-size: 0.86rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.18s;
}

.footer-links a:hover {
  color: #000;
}

/* ---------- Instruktsiya (steps) ---------- */
.steps {
  padding: 80px 0 120px;
  background: #fff;
}

.step-block {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 40px;
  padding: 56px 0;
  border-top: 1px solid #000;
  align-items: start;
}

.step-block:last-of-type {
  border-bottom: 1px solid #000;
}

.step-num {
  font-family: var(--font-head);
  font-size: 4.2rem;
  font-weight: 800;
  color: #000;
  letter-spacing: -0.04em;
  line-height: 1;
}

.step-body h2 {
  font-size: 1.9rem;
  margin-bottom: 18px;
}

.step-body p {
  font-size: 1.02rem;
  margin-bottom: 18px;
  line-height: 1.65;
}

.step-body ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 18px 0 24px;
}

.step-body ul li {
  padding-left: 28px;
  position: relative;
  font-size: 0.97rem;
  color: #262626;
}

.step-body ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: #000;
  font-weight: 700;
}

.after-pay {
  padding: 120px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.after-pay h2 {
  margin-bottom: 24px;
}

.after-pay-text {
  max-width: 60ch;
  margin-bottom: 64px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---------- Fade-up animation ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive: tablet ---------- */
@media (max-width: 1024px) {
  :root {
    --pad-y: 90px;
  }

  .features-grid,
  .platforms-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .manifesto-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-meta {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-item {
    padding: 24px;
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .stats-item:first-child,
  .stats-item:nth-child(2) {
    border-top: 0;
  }
}

/* ---------- Responsive: mobile ---------- */
@media (max-width: 720px) {
  :root {
    --pad-y: 72px;
    --gutter: 22px;
  }

  .nav-links {
    display: none;
  }

  .burger {
    display: flex;
  }

  .hero {
    padding: 80px 0 100px;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .features-grid,
  .platforms-grid {
    grid-template-columns: 1fr;
  }

  .platform {
    border-right: 0;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .use-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .step-block {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .step-num {
    font-size: 3rem;
  }

  .price-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 32px 0;
  }

  .price-note {
    text-align: left;
  }

  .price-cta {
    justify-content: flex-start;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
}