/* ── Tokens ── */
:root {
  --coral: #e05c3a;
  --coral-dark: #c44d2e;
  --black: #1a1a1a;
  --gray: #6b6b6b;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 16px;
  --max-width: 1100px;
}

/* ── Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}

/* ── Utilities ── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.1s;
}
.btn-primary {
  background: var(--coral-dark);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--coral);
  transform: translateY(-1px);
}
.btn-small {
  padding: 10px 20px;
  font-size: 14px;
}
.btn-large {
  padding: 18px 40px;
  font-size: 18px;
}

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #eee;
  z-index: 100;
  padding: 16px 24px;
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
}
.nav-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 24px;
}

/* ── Hero ── */
.hero {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
}
.hero-text {
  flex: 1;
}
.hero-text h1 {
  font-family: var(--font-heading);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 460px;
}
.hero-screenshots {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 12px;
  justify-content: center;
}
.screenshot {
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}
.screenshot-left,
.screenshot-right {
  width: 28%;
  transform: translateY(20px);
  opacity: 0.85;
}
.screenshot-center {
  width: 36%;
}

/* ── Problem ── */
.problem {
  background: var(--light-gray);
  padding: 80px 24px;
  text-align: center;
}
.problem h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  margin-bottom: 20px;
}
.problem p {
  font-size: 18px;
  color: var(--gray);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}

/* ── Features ── */
.features {
  padding: 80px 24px;
}
.features h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.feature {
  padding: 32px;
  background: var(--light-gray);
  border-radius: var(--radius);
}
.feature-icon {
  font-size: 32px;
  margin-bottom: 16px;
}
.feature h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}
.feature p {
  color: var(--gray);
  line-height: 1.6;
  font-size: 15px;
}

/* ── Screenshots section ── */
.screenshots-section {
  background: var(--light-gray);
  padding: 80px 0px;
  overflow: hidden;
}
.screenshots-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  text-align: center;
  padding: 0 24px;
  margin-bottom: 40px;
}
.screenshots-row {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 16px 24px;
  justify-content: center;
  overflow-x: auto;
}
.screenshot-thumb {
  width: 200px;
  flex-shrink: 0;
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* ── Download ── */
.download {
  padding: 100px 24px;
  text-align: center;
}
.download h2 {
  font-family: var(--font-heading);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  margin-bottom: 16px;
}
.download p {
  font-size: 18px;
  color: var(--gray);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}
.download-sub {
  margin-top: 16px;
  font-size: 14px;
  color: var(--gray);
}

/* ── Feature Spotlight ── */
.feature-spotlight {
  padding: 80px 24px;
  background: var(--light-gray);
}

.feature-spotlight-alt {
  background: var(--white);
}

.feature-spotlight-inner {
  display: flex;
  align-items: center;
  gap: 60px;
}

.feature-spotlight-text {
  flex: 1;
}

.feature-spotlight-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}

.feature-spotlight-text p {
  font-size: 18px;
  color: var(--gray);
  line-height: 1.7;
}

.feature-spotlight-image {
  flex: 1;
  display: flex;
  gap: 16px;
  justify-content: center;
}

.spotlight-screenshot {
  width: 240px;
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.download-alt {
  background: var(--black);
  color: var(--white);
}

.download-alt p {
  color: rgba(255, 255, 255, 0.7);
}

.download-alt .download-sub {
  color: rgba(255, 255, 255, 0.5);
}

/* ── Footer ── */
footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.6);
  padding: 32px 24px;
  text-align: center;
  font-size: 14px;
}
footer a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: underline;
}
footer a:hover {
  color: var(--white);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-inner .btn {
    display: none;
  }
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 60px 24px;
  }
  .hero-sub {
    margin: 0 auto 32px;
  }
  .hero-screenshots {
    width: 100%;
  }
  .screenshot-left,
  .screenshot-right {
    display: none;
  }
  .screenshot-center {
    width: 70%;
  }
  .screenshots-row {
    justify-content: flex-start;
  }
  .feature-spotlight-inner {
    flex-direction: column;
    text-align: center;
  }
  .feature-spotlight-alt .feature-spotlight-inner {
    flex-direction: column-reverse;
  }
}