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

:root {
  --color-bg: #FFFFFF;
  --color-text: #0D0D0D;
  --color-muted: #6B7280;
  --color-border: #E5E7EB;
  --color-accent: #FFD234;
  --color-accent-red: #EB2126;
  --color-accent-blue: #2663DF;
  --color-surface: #F9FAFB;

  --text-xs:   clamp(0.7rem,  1.4vw, 0.75rem);
  --text-sm:   clamp(0.8rem,  1.6vw, 0.875rem);
  --text-base: clamp(0.9rem,  2vw,   1rem);
  --text-lg:   clamp(1rem,    2.4vw, 1.2rem);
  --text-xl:   clamp(1.2rem,  3vw,   1.6rem);
  --text-2xl:  clamp(1.6rem,  4.5vw, 2.4rem);
  --text-3xl:  clamp(2.2rem,  6vw,   3.8rem);

  --content-max: 1080px;
  --content-pad: 0 clamp(1.25rem, 5vw, 3rem);

  --btn-radius: 6px;
  --card-radius: 8px;
  --hero-radius: 12px;

  --header-bg: rgba(255, 255, 255, 0.85);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0D0D0D;
    --color-text: #F5F5F5;
    --color-muted: #9CA3AF;
    --color-border: #1F2937;
    --color-surface: #111318;
    --header-bg: rgba(13, 13, 13, 0.88);
  }
}

html {
  font-size: 100%;
}

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ── Header ────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--content-pad);
  display: flex;
  align-items: center;
  height: 60px;
  gap: 1.5rem;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.header-logo {
  height: 32px;
  width: auto;
  border-radius: var(--card-radius);
}

.header-wordmark {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.header-nav {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .header-nav {
    display: flex;
  }
}

.header-nav-link {
  color: var(--color-accent-blue);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
}

.header-nav-link:hover {
  text-decoration: underline;
}

.header-nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.header-cta {
  margin-left: auto;
}

@media (min-width: 768px) {
  .header-cta {
    margin-left: 0;
  }
}

/* ── Footer ────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem clamp(1.25rem, 5vw, 3rem);
  text-align: center;
}

.footer-text {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.footer-text a {
  color: var(--color-accent-blue);
  text-decoration: none;
}

.footer-text a:hover {
  text-decoration: underline;
}

.footer-text a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Buttons ──────────────────────────────────── */

.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: #0D0D0D;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.65rem 1.5rem;
  border-radius: var(--btn-radius);
  border: none;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary:hover {
  filter: brightness(0.94);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: no-preference) {
  .btn-primary {
    transition: filter 120ms ease;
  }
}

/* ── Content container ────────────────────────── */

.content-wrapper {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--content-pad);
}

/* ── Section ──────────────────────────────────── */

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-alt {
  background: var(--color-surface);
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
}

/* ── Hero ─────────────────────────────────────── */

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-headline {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-subheadline {
  font-size: var(--text-base);
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 36rem;
}

.hero-image {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--hero-radius);
}

/* ── Pillars ──────────────────────────────────── */

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 768px) {
  .pillars-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.pillar-card {
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  padding: 2rem;
  background: transparent;
}

@media (max-width: 767px) {
  .pillar-card {
    border: none;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border);
    padding: 2rem 0;
  }

  .pillar-card:last-child {
    border-bottom: none;
  }
}

.pillar-eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.pillar-heading {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.pillar-body {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-muted);
}

/* ── Screenshots ──────────────────────────────── */

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

@media (min-width: 768px) {
  .screenshots-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.screenshots-grid img {
  width: 100%;
  border-radius: var(--hero-radius);
}

/* ── Pricing / CTA ────────────────────────────── */

.pricing {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.pricing-price {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.pricing-desc {
  font-size: var(--text-base);
  color: var(--color-muted);
}

/* ── Privacy Policy ───────────────────────────── */

.privacy-page {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(5rem, 10vw, 9rem);
}

.privacy-content {
  max-width: 680px;
  margin: 0 auto;
}

.privacy-updated {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: 2.5rem;
}

.privacy-content h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 2.5rem;
}

.privacy-content h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.privacy-content p {
  font-size: var(--text-base);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.privacy-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: 1rem;
}

.privacy-content ul li {
  font-size: var(--text-base);
  line-height: 1.8;
  padding-left: 1.25rem;
  position: relative;
}

.privacy-content ul li::before {
  content: '\2014';
  position: absolute;
  left: 0;
  color: var(--color-muted);
}

.privacy-content a {
  color: var(--color-accent-blue);
  text-decoration: none;
}

.privacy-content a:hover {
  text-decoration: underline;
}

.privacy-content a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Global focus-visible ─────────────────────── */

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Scroll reveal ────────────────────────────── */

.reveal {
  visibility: hidden;
}

.reveal.visible {
  visibility: visible;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 600ms ease, transform 600ms ease;
    visibility: visible;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
}