/* CAMPCLOAK — main stylesheet */
/* Theme: dark utility aesthetic, electric green accent, tactical/outdoor energy */

:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e6e3;
  --fg-muted: #8a8891;
  --accent: #c4f042;
  --accent-dim: rgba(196, 240, 66, 0.12);
  --accent-hover: #d6ff4f;
  --red: #ff4545;
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(196, 240, 66, 0.2);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --nav-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* =========================================================
   FADE-IN ANIMATION
   ========================================================= */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   SHARED BUTTONS
   ========================================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 0.85rem 1.8rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 0 0 0 rgba(196, 240, 66, 0);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(196, 240, 66, 0.22);
}
.btn-primary.btn-large {
  font-size: 1rem;
  padding: 1rem 2.4rem;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.4rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.btn-ghost:hover {
  color: var(--fg);
  border-color: rgba(255,255,255,0.15);
}

.btn-outline-accent {
  display: block;
  text-align: center;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 0.85rem 1.8rem;
  border-radius: 8px;
  border: 1px solid var(--border-accent);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.btn-outline-accent:hover {
  background: var(--accent-dim);
  border-color: rgba(196, 240, 66, 0.35);
  transform: translateY(-1px);
}

/* =========================================================
   NAV
   ========================================================= */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: stretch;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

.nav-inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  text-decoration: none;
  transition: color 0.2s ease;
}
.nav-brand-dot { color: var(--accent); }
.nav-brand:hover { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-link:hover {
  color: var(--fg);
  background: rgba(255,255,255,0.04);
}

.nav-cta {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  border: 1px solid var(--border-accent);
  margin-left: 0.5rem;
  transition: background 0.2s ease, transform 0.15s ease;
}
.nav-cta:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--fg);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(16px);
  padding: 1.5rem 2rem 2rem;
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  gap: 0.25rem;
}
.nav-mobile-menu.open { display: flex; }

.nav-mobile-link {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s ease;
}
.nav-mobile-link:last-child { border-bottom: none; }
.nav-mobile-link:hover { color: var(--fg); }
.nav-mobile-cta {
  color: var(--accent);
  margin-top: 0.5rem;
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 4rem) 2rem 6rem;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.45rem 1.1rem;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3.6rem, 9vw, 7rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hero-proof-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.hero-gradient {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(ellipse at center, rgba(196, 240, 66, 0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

/* Subtle grid texture */
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 1;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
}

/* =========================================================
   PROBLEM
   ========================================================= */
.problem {
  padding: 8rem 2rem;
  border-top: 1px solid var(--border);
}

.problem-inner {
  max-width: 960px;
  margin: 0 auto;
}

.problem-label,
.kit-label,
.specs-label,
.howto-label,
.pricing-label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.problem h2,
.kit h2,
.howto h2,
.pricing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 3.5rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: border-color 0.25s ease;
}
.problem-card:hover { border-color: rgba(255,255,255,0.12); }

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

/* =========================================================
   KIT
   ========================================================= */
.kit {
  padding: 8rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.kit-inner {
  max-width: 960px;
  margin: 0 auto;
}

.kit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.kit-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.kit-item:hover {
  border-color: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.kit-number {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  margin-bottom: 1.5rem;
}

.kit-item h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
}

.kit-item p {
  color: var(--fg-muted);
  font-size: 0.93rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.kit-specs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
}

.kit-specs li {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.38rem 0.85rem;
  border-radius: 100px;
  border: 1px solid rgba(196, 240, 66, 0.14);
}

/* Kit visual demos */
.kit-visual {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.5rem;
  background: var(--bg-elevated);
}
.kit-visual-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.9rem;
}

/* Tint demo */
.kit-tint-demo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.tint-pane {
  flex: 1;
  text-align: center;
  padding: 0.7rem;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.tint-clear {
  background: rgba(255,255,255,0.08);
  color: var(--fg);
  border: 1px solid rgba(255,255,255,0.15);
}
.tint-dark {
  background: rgba(0,0,0,0.7);
  color: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.06);
}
.tint-arrow {
  color: var(--accent);
  font-size: 1.2rem;
}

/* Temp demo */
.kit-temp-demo {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.temp-bar {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.temp-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-muted);
  width: 52px;
  flex-shrink: 0;
}
.temp-track {
  flex: 1;
  height: 8px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}
.temp-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 1s ease;
}
.temp-hot { background: linear-gradient(90deg, #ff7043, #ff4545); }
.temp-cool { background: linear-gradient(90deg, #43e97b, var(--accent)); }
.temp-val {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fg);
  width: 40px;
  text-align: right;
  flex-shrink: 0;
}

/* =========================================================
   HOW IT WORKS
   ========================================================= */
.howto {
  padding: 8rem 2rem;
  border-top: 1px solid var(--border);
}

.howto-inner {
  max-width: 960px;
  margin: 0 auto;
}

.howto h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.howto-sub {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 4rem;
}

.howto-phases {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.howto-phase {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.howto-phase-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  flex-wrap: wrap;
}

.howto-phase-badge {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  flex-shrink: 0;
}
.howto-phase-badge-b {
  background: var(--fg-muted);
  color: var(--bg);
}

.howto-phase-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  flex: 1;
}

.howto-phase-time {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--fg-muted);
  margin-left: auto;
}

.howto-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.howto-step {
  display: flex;
  gap: 1rem;
  padding: 1.8rem 2rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background 0.2s ease;
}
.howto-step:hover { background: rgba(255,255,255,0.015); }

/* Remove right border from every 2nd step (right column) */
.howto-step:nth-child(2n) { border-right: none; }
/* Remove bottom border from last two steps */
.howto-step:nth-last-child(-n+2) { border-bottom: none; }

.step-num {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 2px;
}

.step-content { flex: 1; }

.step-content h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.step-content p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

.step-icon {
  flex-shrink: 0;
  opacity: 0.7;
}

/* Tools footer */
.howto-footer {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.howto-tools-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.howto-tools-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.howto-tools-list li {
  font-size: 0.87rem;
  color: var(--fg-muted);
  padding-left: 1rem;
  position: relative;
}
.howto-tools-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

.howto-note {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.7;
  display: flex;
  align-items: flex-start;
}
.howto-note strong { color: var(--fg); }

/* =========================================================
   SPECS
   ========================================================= */
.specs {
  padding: 8rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.specs-inner {
  max-width: 960px;
  margin: 0 auto;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.spec {
  padding: 1.8rem 0;
  border-top: 2px solid var(--accent);
}

.spec-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.7rem;
  letter-spacing: -0.03em;
}

.spec-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* =========================================================
   PRICING
   ========================================================= */
.pricing {
  padding: 8rem 2rem;
  border-top: 1px solid var(--border);
}

.pricing-inner {
  max-width: 1020px;
  margin: 0 auto;
}

.pricing-sub {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 3.5rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.pricing-card:hover {
  border-color: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.pricing-card-featured {
  border-color: var(--border-accent);
  background: linear-gradient(160deg, rgba(196, 240, 66, 0.04) 0%, var(--bg-card) 60%);
}
.pricing-card-featured:hover {
  border-color: rgba(196, 240, 66, 0.35);
}

.pricing-card-tag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-van-type {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}
.pricing-van-examples {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 1.2rem;
}

.pricing-price {
  display: flex;
  align-items: flex-start;
  gap: 0.2rem;
  margin-bottom: 0.3rem;
}
.pricing-currency {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--fg-muted);
  padding-top: 0.35rem;
}
.pricing-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.pricing-desc {
  font-size: 0.87rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
}
.pf-check {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.pf-muted {
  color: rgba(255,255,255,0.15);
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Pricing footer */
.pricing-footer {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1.5rem 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.pricing-guarantee {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  font-size: 0.87rem;
  color: var(--fg-muted);
  line-height: 1.6;
}
.pricing-guarantee-icon { flex-shrink: 0; padding-top: 2px; }
.pricing-guarantee strong { color: var(--fg); }

.pricing-shipping {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* =========================================================
   CLOSING
   ========================================================= */
.closing {
  padding: 10rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg) 100%);
  border-top: 1px solid var(--border);
}

.closing-inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.closing-actions {
  margin-bottom: 2rem;
}

.closing-trust {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
}

.closing-glow {
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(196, 240, 66, 0.05) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}
.footer-brand-dot { color: var(--accent); }

.footer-nav {
  display: flex;
  gap: 1.5rem;
}
.footer-nav-link {
  font-size: 0.82rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-nav-link:hover { color: var(--fg); }

.footer-text {
  font-size: 0.78rem;
  color: var(--fg-muted);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
  }
  .pricing-inner { max-width: 500px; }
  .howto-steps {
    grid-template-columns: 1fr;
  }
  .howto-step { border-right: none !important; }
  .howto-step:nth-last-child(-n+2) { border-bottom: 1px solid var(--border) !important; }
  .howto-step:last-child { border-bottom: none !important; }
  .howto-footer { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: repeat(2, 1fr); }
}

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

  .problem-grid { grid-template-columns: 1fr; }
  .kit-grid { grid-template-columns: 1fr; }

  .hero { padding: calc(var(--nav-h) + 3rem) 1.5rem 4rem; }

  .problem,
  .kit,
  .specs,
  .howto,
  .pricing { padding: 5rem 1.5rem; }

  .closing { padding: 6rem 1.5rem; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

@media (max-width: 480px) {
  .specs-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; text-align: center; }
  .btn-primary, .btn-ghost { justify-content: center; }
  .pricing-footer { flex-direction: column; }
}