/* ==========================================================================
   Pomotoro landing — Playful & warm
   ========================================================================== */

/* ----- Design tokens ----- */
:root {
  --bg: #FDF6E3;
  --surface: #FFFFFF;
  --primary: #E63946;
  --primary-dark: #C1121F;
  --secondary: #FFB703;
  --text: #2D2A26;
  --muted: #8A8278;
  --border: #F0E6D2;

  --radius-card: 16px;
  --radius-btn: 12px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.10);

  --container: 1100px;
  --section-pad: 96px;
  --section-pad-mobile: 64px;

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, video { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 150ms ease; }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; padding: 0; margin: 0; }
kbd {
  font-family: var(--font);
  font-size: 0.85em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  box-shadow: 0 1px 0 var(--border);
}

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

.section {
  padding: var(--section-pad) 0;
}
.section--alt {
  background: rgba(255, 183, 3, 0.06);
}
.section__title {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  text-align: center;
}
.section__lede {
  font-size: 1.125rem;
  color: var(--muted);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section__link {
  text-align: center;
  margin-top: 48px;
  font-weight: 500;
}
.section__link a {
  font-size: 1.0625rem;
}

/* ----- Wordmark ----- */
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.wordmark:hover { color: var(--text); }
.wordmark img { width: 40px; height: 40px; }
.wordmark--footer img { width: 32px; height: 32px; }

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 150ms ease, background 150ms ease, color 150ms ease, box-shadow 150ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 2px;
}
.btn--primary {
  background: var(--primary);
  color: #fff;
}
.btn--primary:hover { background: var(--primary-dark); color: #fff; }
.btn--secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--secondary:hover { background: var(--surface); color: var(--text); }
.btn--link {
  background: transparent;
  color: var(--muted);
  padding: 14px 8px;
  border: none;
  font-weight: 500;
}
.btn--link:hover { color: var(--text); transform: none; }

/* ----- Hero ----- */
.hero {
  padding: 48px 0 var(--section-pad);
  background:
    radial-gradient(ellipse at top, rgba(255, 183, 3, 0.12), transparent 60%),
    radial-gradient(ellipse at bottom right, rgba(230, 57, 70, 0.08), transparent 55%);
}
.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 64px;
}
.hero__content {
  text-align: center;
  max-width: 720px;
  margin: 32px auto 0;
}
.hero__headline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 20px;
}
.hero__subhead {
  font-size: clamp(1.0625rem, 2vw, 1.375rem);
  color: var(--muted);
  margin: 0 auto 36px;
  max-width: 580px;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}
.hero__platforms {
  display: none;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 20px;
  font-size: 0.9375rem;
}
.hero__platforms.is-expanded { display: flex; }
.platform-link {
  color: var(--muted);
  font-weight: 500;
}
.platform-link:hover { color: var(--primary); }

.hero__demo {
  max-width: 720px;
  margin: 0 auto;
}
.hero__demo a {
  display: block;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.hero__demo a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}
.hero__demo img { width: 100%; height: auto; }
.hero__demo-caption {
  text-align: center;
  color: var(--muted);
  font-size: 0.9375rem;
  margin: 16px 0 0;
}

/* ----- Feature grid ----- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.feature-card__icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 12px;
}
.feature-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 6px;
}
.feature-card__text {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.55;
}

/* ----- Steps ----- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step {
  text-align: center;
  padding: 24px;
}
.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 6px 18px rgba(230, 57, 70, 0.25);
}
.step__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 8px;
}
.step__text {
  color: var(--muted);
  margin: 0;
  font-size: 1rem;
}

/* ----- Value grid (Why Pomotoro) ----- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.value-card__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.value-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 6px;
}
.value-card__text {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* ----- Roadmap ----- */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.roadmap-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.roadmap-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.roadmap-card__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.roadmap-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 6px;
}
.roadmap-card__text {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* ----- Footer ----- */
.footer {
  background: var(--text);
  color: #F5EFE0;
  padding: 64px 0 32px;
  margin-top: var(--section-pad);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.wordmark--footer { color: #fff; }
.wordmark--footer:hover { color: #fff; }
.footer__tagline {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}
.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer__heading {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--secondary);
  margin: 0 0 12px;
}
.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer__col a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
}
.footer__col a:hover { color: #fff; }
.footer__bottom {
  padding-top: 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}
.footer__bottom a { color: rgba(255, 255, 255, 0.85); }
.footer__bottom a:hover { color: #fff; }

/* ----- Reveal animation (IntersectionObserver adds .is-visible) ----- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 400ms ease, transform 400ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .roadmap-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-pad: var(--section-pad-mobile); }
  .hero { padding: 32px 0 var(--section-pad); }
  .hero__inner { gap: 40px; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }
  .btn--link { width: auto !important; align-self: center; }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .wordmark--footer { justify-content: center; }
  .footer__tagline { text-align: center; }
}

@media (max-width: 560px) {
  .feature-grid,
  .value-grid,
  .roadmap-grid { grid-template-columns: 1fr; }
  .footer__nav { grid-template-columns: 1fr; gap: 32px; }
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}