/* Durev VPN — unique stylesheet */
/* Axes: Hero G, Nav F, Cards F, Typo D, Buttons B, Sections A, Price A, FAQ D, Footer D, Anim A */

:root {
  --primary: #7C2D12;
  --primary-deep: #5C1F0A;
  --accent: #A3E635;
  --accent-deep: #84CC16;
  --bg: #FAFAF7;
  --bg-alt: #FEF7E0;
  --text: #1C1917;
  --text-muted: #57534E;
  --card-bg: #FFFFFF;
  --border: #E7E5E4;
  --radius: 18px;
  --pill: 50px;
  --shadow-sm: 0 2px 8px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 8px 28px rgba(124, 45, 18, 0.10);
  --shadow-lg: 0 20px 60px rgba(124, 45, 18, 0.16);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Karla', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4 {
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.05;
  color: var(--text);
}

h1 { font-size: clamp(2.4rem, 6vw, 4.8rem); }
h2 { font-size: clamp(1.9rem, 4.2vw, 3.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); letter-spacing: 0.04em; }
h4 { font-size: 1.05rem; letter-spacing: 0.06em; }

p { color: var(--text-muted); }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === HEADER (Nav F: centered logo, nav row beneath) === */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 18px 0 10px;
}

.header-top {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 14px;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.brand-name {
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
}

.brand-name span {
  color: var(--primary);
}

.burger {
  display: none;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: var(--primary);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.burger span {
  width: 20px;
  height: 2px;
  background: var(--accent);
  display: block;
}

.nav-row {
  border-top: 2px dashed var(--border);
  padding-top: 10px;
}

.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 38px;
  flex-wrap: wrap;
}

.nav-links a {
  font-family: 'Antonio', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.98rem;
  color: var(--text);
  padding: 8px 4px;
  position: relative;
  transition: color 0.18s ease;
}

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

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--accent-deep);
  transition: width 0.22s ease, left 0.22s ease;
}

.nav-links a:not(.nav-cta):hover::after {
  width: 100%;
  left: 0;
}

.nav-links a.nav-cta {
  background: var(--accent);
  color: #000000;
  font-weight: 800;
  padding: 10px 24px;
  border-radius: var(--pill);
  border: 2px solid #000000;
}

.nav-links a.nav-cta:hover {
  color: #000000;
  background: var(--accent-deep);
  transform: translateY(-1px);
}

/* === MOBILE NAV === */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 200;
  padding: 80px 28px 28px;
  display: none;
  flex-direction: column;
  gap: 14px;
}

.mobile-nav.is-open { display: flex; }

.mobile-nav a {
  font-family: 'Antonio', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1.4rem;
  padding: 14px 18px;
  border-radius: 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
}

.mobile-nav a.mn-cta {
  background: var(--accent);
  color: #000;
  font-weight: 800;
  border-color: #000;
}

.mobile-close {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--accent);
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
}

/* === BUTTONS (B: pill) === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: var(--pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background: var(--accent);
  color: #000;
  border-color: #000;
}

.btn-accent:hover {
  background: var(--accent-deep);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--text);
}

.btn-ghost:hover {
  background: var(--text);
  color: var(--bg);
}

.btn-lg { font-size: 1.1rem; padding: 20px 38px; }

/* === HERO (G: centered card form) === */
.hero {
  padding: 70px 0 90px;
  background:
    radial-gradient(circle at 20% 30%, rgba(163, 230, 53, 0.18), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(124, 45, 18, 0.10), transparent 55%),
    var(--bg);
  position: relative;
}

.hero-card {
  max-width: 880px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 2px solid var(--text);
  border-radius: 28px;
  padding: 56px 52px;
  text-align: center;
  box-shadow: 14px 14px 0 var(--primary);
  position: relative;
}

.hero-badge {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 8px 18px;
  border-radius: var(--pill);
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  margin-bottom: 22px;
  border: 2px solid #000;
}

.hero h1 {
  margin-bottom: 22px;
}

.hero h1 .accent-word {
  color: var(--primary);
  background: linear-gradient(180deg, transparent 60%, rgba(163, 230, 53, 0.5) 60%);
  padding: 0 4px;
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 30px;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.trust-row {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 26px;
  border-top: 2px dashed var(--border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Antonio', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
  color: var(--text);
}

.trust-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-deep);
}

/* === STATS BAR === */
.stats {
  background: var(--bg-alt);
  padding: 44px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.stat {
  text-align: center;
  padding: 8px;
}

.stat-num {
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  font-size: 3rem;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-family: 'Antonio', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.86rem;
  color: var(--text);
}

/* === SECTION BASES (Sections A: alternating cream/wheat) === */
section {
  padding: 90px 0;
}

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

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-eyebrow {
  display: inline-block;
  font-family: 'Antonio', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.85rem;
  color: var(--primary);
  background: rgba(163, 230, 53, 0.3);
  padding: 6px 14px;
  border-radius: var(--pill);
  margin-bottom: 18px;
}

.section-head h2 {
  margin-bottom: 16px;
}

.section-head p {
  font-size: 1.08rem;
}

/* === FEATURES (Cards F: large icon top) === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 28px 32px;
  text-align: center;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.feat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.feat-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  background: var(--accent);
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  font-size: 2.4rem;
  color: var(--primary);
  border: 2px solid #000;
  transition: transform 0.3s ease;
}

.feat-card:hover .feat-icon {
  transform: rotate(-8deg) scale(1.05);
}

.feat-card h3 {
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.feat-card p {
  font-size: 0.98rem;
}

/* === DOWNLOAD PLATFORMS === */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.plat-card {
  background: var(--card-bg);
  border: 2px solid var(--text);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: transform 0.22s ease, background 0.22s ease;
  position: relative;
}

.plat-card:hover {
  background: var(--accent);
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--primary);
}

.plat-icon {
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 10px;
  letter-spacing: 0.06em;
}

.plat-card h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.plat-card p {
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.plat-link {
  display: inline-block;
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 2px;
}

/* === WHY US === */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.why-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.why-list li {
  background: var(--card-bg);
  border-left: 6px solid var(--accent);
  border-radius: 12px;
  padding: 20px 22px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.why-num {
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  font-size: 2rem;
  color: var(--primary);
  line-height: 1;
  min-width: 50px;
}

.why-text h4 {
  margin-bottom: 6px;
}

.why-text p {
  font-size: 0.96rem;
  margin: 0;
}

.why-image {
  background: linear-gradient(135deg, var(--primary), #4A1908);
  border-radius: 24px;
  padding: 50px 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.why-image::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: var(--accent);
  border-radius: 50%;
  top: -60px;
  right: -60px;
  opacity: 0.4;
}

.why-image h3 {
  color: var(--accent);
  font-size: 1.5rem;
  margin-bottom: 18px;
  position: relative;
}

.why-image p {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  position: relative;
}

.why-image .why-quote {
  font-size: 2.4rem;
  color: var(--accent);
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 14px;
}

/* === USE CASES === */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.case-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  position: relative;
  transition: all 0.2s ease;
}

.case-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.case-tag {
  display: inline-block;
  font-family: 'Antonio', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.74rem;
  background: var(--bg-alt);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
}

.case-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.case-card p {
  font-size: 0.96rem;
}

/* === PRICING (Price A: gradient card mocha→lime) === */
.pricing-wrap {
  display: flex;
  justify-content: center;
}

.price-card {
  max-width: 720px;
  width: 100%;
  background: linear-gradient(135deg, var(--primary) 0%, #9A4A1A 50%, var(--accent-deep) 100%);
  border-radius: 28px;
  padding: 56px 48px;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.price-card::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  background: var(--accent);
  border-radius: 50%;
  top: -160px;
  right: -160px;
  opacity: 0.25;
}

.price-card::after {
  content: '';
  position: absolute;
  width: 240px;
  height: 240px;
  background: #000;
  border-radius: 50%;
  bottom: -120px;
  left: -120px;
  opacity: 0.18;
}

.price-card > * { position: relative; }

.price-card .ribbon {
  display: inline-block;
  background: #000;
  color: var(--accent);
  font-family: 'Antonio', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  padding: 6px 16px;
  border-radius: var(--pill);
  margin-bottom: 18px;
}

.price-card h2 {
  color: #fff;
  margin-bottom: 14px;
}

.price-card .price-num {
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  font-size: 4.6rem;
  line-height: 1;
  margin: 18px 0 8px;
  color: var(--accent);
}

.price-card .price-num small {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.8);
  font-weight: 400;
  text-transform: lowercase;
  margin-left: 8px;
}

.price-card p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 26px;
}

.price-features {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
  text-align: left;
  margin: 0 auto 30px;
  max-width: 520px;
}

.price-features li {
  font-family: 'Antonio', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.92rem;
  color: #fff;
  padding-left: 28px;
  position: relative;
}

.price-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 4px;
  border: 2px solid #000;
}

/* === CTA BANNER === */
.cta-banner {
  background: var(--text);
  padding: 80px 0;
  text-align: center;
  color: #fff;
}

.cta-banner h2 {
  color: var(--accent);
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  max-width: 580px;
  margin: 0 auto 28px;
}

/* === FAQ (D: open card grid) === */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.faq-item:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
}

.faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.faq-mark {
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--accent-deep);
  line-height: 1;
}

.faq-q h3 {
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.faq-a {
  color: var(--text-muted);
  font-size: 0.98rem;
  padding-left: 28px;
}

/* === FOOTER (D: two-level) === */
.site-footer {
  background: var(--text);
  color: rgba(255,255,255,0.85);
  padding: 70px 0 0;
}

.foot-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.foot-brand .brand-name {
  color: #fff;
}

.foot-brand .brand-name span {
  color: var(--accent);
}

.foot-brand p {
  margin-top: 16px;
  color: rgba(255,255,255,0.65);
  font-size: 0.94rem;
}

.foot-col h4 {
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.foot-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.foot-col a {
  font-size: 0.94rem;
  color: rgba(255,255,255,0.75);
  transition: color 0.18s ease;
}

.foot-col a:hover {
  color: var(--accent);
}

.foot-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.foot-bottom p {
  color: rgba(255,255,255,0.55);
  font-size: 0.86rem;
}

.foot-eng {
  font-family: 'Antonio', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.76rem;
  color: rgba(255,255,255,0.4);
}

/* === INSTRUCTION PAGE === */
.instr-hero {
  padding: 70px 0 50px;
  background: var(--bg-alt);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.instr-hero h1 { margin-bottom: 16px; }
.instr-hero p { font-size: 1.12rem; max-width: 640px; margin: 0 auto; }

.steps {
  padding: 80px 0;
}

.step {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 30px;
  background: var(--card-bg);
  border: 2px solid var(--text);
  border-radius: 24px;
  padding: 40px 36px;
  margin-bottom: 28px;
  box-shadow: 8px 8px 0 var(--accent);
}

.step-num {
  font-family: 'Antonio', sans-serif;
  font-weight: 700;
  font-size: 5rem;
  color: var(--primary);
  line-height: 1;
}

.step-body h2 {
  margin-bottom: 14px;
}

.step-body p {
  font-size: 1rem;
  margin-bottom: 16px;
}

.step-body .btn {
  margin-top: 8px;
}

.after-pay {
  background: var(--bg-alt);
  padding: 70px 0;
}

.after-pay h2 {
  text-align: center;
  margin-bottom: 16px;
}

.after-pay > .container > p {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

/* === RESPONSIVE === */
@media (max-width: 960px) {
  .features-grid, .platforms-grid, .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .why-grid { grid-template-columns: 1fr; gap: 36px; }
  .faq-grid { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 640px) {
  section { padding: 60px 0; }
  .hero { padding: 50px 0 60px; }
  .hero-card { padding: 38px 24px; box-shadow: 8px 8px 0 var(--primary); }
  .nav-links { display: none; }
  .burger { display: flex; }
  .features-grid, .platforms-grid, .cases-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .price-card { padding: 40px 28px; }
  .price-features { grid-template-columns: 1fr; }
  .price-card .price-num { font-size: 3.4rem; }
  .step { grid-template-columns: 1fr; padding: 28px 22px; }
  .step-num { font-size: 3.6rem; }
  .foot-top { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; text-align: center; }
  .trust-row { gap: 14px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
}

/* === ANIM A: fade-up === */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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