/* ==========================================================================
   Rocket Fourth — Marketing Site
   ========================================================================== */

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

:root {
  --color-bg: #050507;
  --color-surface: #0e0e12;
  --color-surface-2: #16161d;
  --color-border: #1e1e28;
  --color-text: #e8e8ed;
  --color-text-muted: #9494a3;
  --color-accent: #ff4f1a;
  --color-accent-glow: rgba(255, 79, 26, 0.15);
  --color-accent-hover: #ff6a3d;
  --color-white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* --- Utility --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1.05rem;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 0 30px var(--color-accent-glow);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 0 50px var(--color-accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition);
  background: transparent;
}

.nav.scrolled {
  background: rgba(5, 5, 7, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.6rem 0;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.15rem;
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.nav-links .btn {
  color: var(--color-white);
  background: var(--color-accent);
  margin-left: 0.5rem;
}

.nav-links .btn:hover {
  background: var(--color-accent-hover);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-glow);
  border: 1px solid rgba(255, 79, 26, 0.2);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-highlight {
  background: linear-gradient(135deg, var(--color-accent), #ff8a5c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 80px rgba(255, 79, 26, 0.08);
}

/* --- Proof Bar --- */
.proof-bar {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 2rem 0;
}

.proof-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.proof-stat {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
}

.proof-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.proof-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* --- Features --- */
.features {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 6rem 2rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: rgba(255, 79, 26, 0.3);
  box-shadow: 0 10px 40px rgba(255, 79, 26, 0.05);
  transform: translateY(-2px);
}

.feature-card-large {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.feature-card-image {
  overflow: hidden;
}

.feature-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.feature-card:hover .feature-card-image img {
  transform: scale(1.03);
}

.feature-card-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Personality --- */
.personality {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 6rem 0;
}

.personality-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.personality-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.personality-content .section-title {
  text-align: left;
  margin-bottom: 2rem;
}

.personality-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.pf-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.pf-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-2);
  border-radius: 10px;
  border: 1px solid var(--color-border);
}

.pf-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.pf-item p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Duo / Double Trouble --- */
.duo {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 6rem 2rem;
}

.duo-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.duo-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ff4f1a;
  background: rgba(255, 79, 26, 0.12);
  border: 1px solid rgba(255, 79, 26, 0.2);
  margin-bottom: 1.25rem;
}

.duo-content .section-title {
  text-align: left;
  margin-bottom: 1rem;
}

.duo-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.duo-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.duo-feature {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
}

.duo-feature:hover {
  border-color: rgba(255, 79, 26, 0.3);
  transform: translateX(4px);
}

.duo-feature h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.duo-feature p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.duo-image {
  position: sticky;
  top: 6rem;
}

.duo-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.duo-image-caption {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  opacity: 0.6;
  margin-top: 1rem;
  font-style: italic;
}

@media (max-width: 1024px) {
  .duo-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .duo-image {
    position: static;
    order: -1;
    max-width: 600px;
    margin: 0 auto;
  }

  .duo-content .section-title {
    text-align: center;
  }

  .duo-lead {
    text-align: center;
  }

  .duo-badge {
    display: block;
    text-align: center;
  }
}

/* --- Specs --- */
.specs {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 6rem 2rem;
}

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

.spec-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}

.spec-card:hover {
  border-color: rgba(255, 79, 26, 0.3);
  transform: translateY(-2px);
}

.spec-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.spec-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.spec-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Privacy --- */
.privacy {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 6rem 0;
}

.privacy-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.privacy-content .section-title {
  text-align: center;
}

.privacy-content .section-subtitle {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.privacy-item {
  text-align: center;
  padding: 2rem;
}

.privacy-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.privacy-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.privacy-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Reserve CTA --- */
.reserve {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.reserve::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.reserve-inner {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.reserve-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.reserve-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.reserve-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto 1rem;
}

.reserve-form input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition);
}

.reserve-form input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.reserve-form input::placeholder {
  color: var(--color-text-muted);
}

.reserve-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  opacity: 0.7;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.footer-logo {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
}

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

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-text);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* --- Animations --- */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 7rem;
    gap: 2.5rem;
  }

  .hero-image {
    order: -1;
    max-width: 600px;
    margin: 0 auto;
  }

  .hero-content {
    text-align: center;
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .hero-cta {
    justify-content: center;
  }

  .personality-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .personality-image {
    max-width: 500px;
    margin: 0 auto;
  }

  .personality-content .section-title {
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(5, 5, 7, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links .btn {
    margin-left: 0;
    width: 100%;
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card-large {
    grid-template-columns: 1fr;
  }

  .specs-grid {
    grid-template-columns: 1fr 1fr;
  }

  .privacy-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .reserve-form {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .proof-inner {
    gap: 1.5rem;
  }

  .proof-divider {
    display: none;
  }
}

@media (max-width: 480px) {
  .specs-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .proof-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}