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

:root {
  --red: #dc2626;
  --red-light: #ef4444;
  --red-dark: #b91c1c;
  --red-glow: rgba(220, 38, 38, 0.15);
  --bg-darkest: #0a0a0a;
  --bg-dark: #111111;
  --bg-mid: #1a1a1a;
  --bg-card: #161616;
  --bg-card-hover: #1e1e1e;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text: #e5e5e5;
  --text-muted: #888888;
  --text-dim: #555555;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

img, svg {
  display: block;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
  font-weight: 500;
}

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

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

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg-glow {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--red-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 32px;
}

.hero-logo {
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
  width: 56px;
  height: 56px;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-tagline {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--red);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s var(--ease);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 0 0 0 var(--red-glow);
}

.btn-primary:hover {
  background: var(--red-light);
  box-shadow: 0 8px 32px var(--red-glow);
  transform: translateY(-1px);
}

/* ===== Sections ===== */
.section {
  padding: 120px 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* ===== Apps Grid ===== */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

a.app-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

.app-card--soon {
  border-style: dashed;
  cursor: default;
}

.app-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.app-card-icon--soon {
  background: var(--bg-mid);
}

.app-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.app-card-name {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.app-card-tagline {
  color: var(--red);
  font-size: 0.9rem;
  font-weight: 500;
}

.app-card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.app-card-link {
  color: var(--red);
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 4px;
  transition: color 0.2s ease;
}

a.app-card:hover .app-card-link {
  color: var(--red-light);
}

/* ===== About ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-top: 16px;
}

.about-content .section-title {
  text-align: left;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.value-item {
  padding: 24px;
  background: var(--bg-mid);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.value-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.value-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

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

/* ===== Footer ===== */
.footer {
  background: var(--bg-darkest);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-logo {
  width: 28px;
  height: 28px;
}

.footer-contact h3 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 12px;
}

.footer-email {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 500;
  transition: color 0.2s ease;
  display: block;
  margin-bottom: 16px;
}

.footer-email:hover {
  color: var(--red);
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-mid);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.social-link:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: var(--bg-card-hover);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  color: var(--text-dim);
  transition: color 0.2s ease;
}

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

/* ===== Fade-in Animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

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

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text);
  }

  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 100px 24px 60px;
    min-height: 90vh;
  }

  .hero-logo {
    width: 44px;
    height: 44px;
  }

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

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

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

  .about-content p {
    text-align: center;
  }

  .footer-top {
    flex-direction: column;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .section {
    padding: 80px 0;
  }
}

@media (max-width: 420px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .app-card {
    padding: 24px;
  }
}