*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  background: #0a1612;
  color: #e8f2f7;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

section[id] {
  scroll-margin-top: 76px;
}

/* Navbar */
#navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 6%;
  background: rgba(10, 22, 18, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(143, 212, 168, 0.15);
}

.nav-cta {
  flex-shrink: 0;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(180deg, #45a872 0%, #2f7d54 100%);
  color: #fff;
  border: 1px solid rgba(167, 243, 208, 0.35);
  box-shadow: 0 4px 14px rgba(47, 125, 84, 0.35);
}

.nav-cta:hover {
  filter: brightness(1.06);
}

.nav-brand {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: #9fd4a8;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  color: #d7ebf4;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: #9fd4a8;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #e8f2f7;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  padding: 72px 8% 80px;
  background:
    radial-gradient(circle at top right, rgba(76, 175, 120, 0.16), transparent 42%),
    linear-gradient(180deg, #122820 0%, #0a1612 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}

.hero-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: #8fd4a8;
}

.hero-title {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 24px rgba(76, 175, 120, 0.25);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.badge {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.badge-free {
  background: rgba(61, 154, 106, 0.25);
  color: #bbf7d0;
}

.badge-rating {
  background: rgba(255, 255, 255, 0.06);
  color: #d1e7dd;
}

.hero-tagline {
  margin: -8px 0 16px;
  font-size: 1.25rem;
  font-weight: 600;
  color: #d4eadc;
}

.hero-description {
  margin: 0 0 20px;
  color: #b8cfc4;
  font-size: 1.05rem;
  max-width: 36rem;
}

.platform-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.platform-pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(143, 212, 168, 0.22);
  color: #cfe8d6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-button,
.submit-btn {
  display: inline-block;
  background: linear-gradient(180deg, #45a872 0%, #2f7d54 100%);
  color: #fff;
  text-decoration: none;
  border: 0;
  border-radius: 12px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(47, 125, 84, 0.35);
}

.cta-button--ghost {
  background: transparent;
  border: 1px solid rgba(167, 243, 208, 0.45);
  box-shadow: none;
  color: #d1fae5;
}

.cta-button:hover,
.submit-btn:hover {
  filter: brightness(1.05);
}

.cta-button--ghost:hover {
  background: rgba(61, 154, 106, 0.15);
}

.hero-image img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

/* Shared sections */
.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
}

.section-lead {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
  color: #a8c4b4;
  font-size: 1.05rem;
}

.about-section,
.requirements-section,
.contact-section {
  padding: 72px 8%;
}

.about-section {
  background: #0c1a14;
}

.about-container,
.requirements-container,
.contact-container {
  max-width: 1180px;
  margin: 0 auto;
}

.about-container {
  display: grid;
  gap: 28px;
}

.content-block {
  min-height: 360px;
  background-size: cover;
  background-position: center;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.content-overlay {
  min-height: inherit;
  padding: 28px;
  background: linear-gradient(180deg, rgba(5, 16, 24, 0.55) 0%, rgba(5, 16, 24, 0.82) 100%);
}

.image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.image-grid img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.content-text {
  margin: 0;
  color: #e4f3fa;
  font-size: 1rem;
}

/* Requirements */
.requirements-section {
  background: #0e221a;
}

.requirements-container,
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature-grid {
  grid-template-columns: repeat(3, 1fr);
}

.about-highlights {
  margin: 20px 0 0;
  padding-left: 1.2rem;
  color: #cfe8d6;
}

.about-highlights li {
  margin-bottom: 8px;
}

.feature-icon {
  font-size: 1.75rem;
  line-height: 1;
  margin-bottom: 12px;
  display: block;
}

.feature-card h3 {
  margin: 0 0 10px;
  color: #9fd4a8;
  font-size: 1.15rem;
}

.download-banner img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  object-fit: cover;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.shot {
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.shot--wide {
  grid-column: span 2;
}

.shot img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.faq-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.faq-item dt {
  font-weight: 800;
  font-size: 1.05rem;
  color: #9fd4a8;
  margin-bottom: 8px;
}

.faq-item dd {
  margin: 0;
  color: #c5d9cc;
}

.support-heading {
  margin: 0 0 8px;
  color: #9fd4a8;
}

.download-note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  color: #8fa898;
}

.legal-card .content-text {
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-brand {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: #e8f2f7;
  margin: 0 0 6px;
}

.footer-tagline {
  margin: 0 0 16px;
  font-size: 0.82rem;
  opacity: 0.75;
}

.feature-card p,
.download-copy p {
  margin: 0;
  color: #c5dbe6;
}

.download-banner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.store-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.store-badge {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-width: 160px;
  text-decoration: none;
  color: #fff;
  border-radius: 12px;
  padding: 10px 18px;
  background: #111;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.store-badge--play {
  background: #0d1110;
}

.store-badge-small {
  font-size: 0.65rem;
  opacity: 0.85;
}

.store-badge-large {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.2;
}

.store-badge:hover {
  border-color: rgba(143, 212, 168, 0.5);
  background: #1a2420;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 8px;
}

.footer-links a {
  color: #9fe3ff;
  text-decoration: none;
  font-weight: 600;
}

.requirement-card {
  background: rgba(14, 36, 28, 0.92);
  border: 1px solid rgba(143, 212, 168, 0.18);
  border-radius: 18px;
  padding: 28px;
}

.requirement-title {
  margin: 0 0 18px;
  color: #9fd4a8;
}

.requirement-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.requirement-list li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #d4e6ef;
}

.requirement-list li:last-child {
  border-bottom: 0;
}

.spec-label {
  display: inline-block;
  min-width: 108px;
  font-weight: 700;
  color: #9fd4a8;
  margin-right: 8px;
}

/* Contact */
.contact-section {
  background: #0c1a14;
}

.contact-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
}

.contact-form-wrapper,
.line-contact-wrapper {
  background: rgba(14, 36, 28, 0.92);
  border: 1px solid rgba(143, 212, 168, 0.18);
  border-radius: 18px;
  padding: 28px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(4, 14, 21, 0.7);
  color: #e8f2f7;
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid #3d9a6a;
  border-color: transparent;
}

.submit-btn {
  width: 100%;
}

.line-contact-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}

.line-info h3 {
  margin: 0 0 10px;
}

.line-info p {
  margin: 0 0 16px;
  color: #c5dbe6;
}

.line-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.line-link {
  color: #9fd4a8;
  font-weight: 600;
}

.site-footer {
  padding: 28px 8%;
  text-align: center;
  color: #8eacbb;
  border-top: 1px solid rgba(125, 196, 224, 0.18);
}

@media (max-width: 900px) {
  .hero-content,
  .requirements-container,
  .feature-grid,
  .download-banner,
  .contact-container,
  .screenshots-grid {
    grid-template-columns: 1fr;
  }

  .shot--wide {
    grid-column: span 1;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  #navbar {
    position: relative;
    flex-wrap: wrap;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: #07141d;
    border-bottom: 1px solid rgba(125, 196, 224, 0.18);
  }

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

  .nav-links a {
    display: block;
    padding: 14px 8%;
  }

  .image-grid img {
    height: 130px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}