/* GridTide — marketing landing page */
:root {
  --lavender-0: #faf8ff;
  --lavender-1: #f3eefb;
  --lavender-2: #ebe4f7;
  --sun:        #ffd84a;
  --sun-deep:   #e8b800;
  --sky:        #3db8f0;
  --sky-deep:   #1a9fd4;
  --leaf:       #4ecf7a;
  --leaf-deep:  #2ea85a;
  --coral:      #ff6b6b;
  --coral-deep: #e04f4f;
  --violet:     #9b72f0;
  --violet-deep:#7a4fd4;
  --peach:      #ffaa5e;
  --peach-deep: #e08030;
  --ink:        #1a1530;
  --ink-muted:  #5c5678;
  --ink-soft:   #8a85a3;
  --card:       rgba(255, 255, 255, 0.92);
  --card-edge:  rgba(26, 21, 48, 0.07);
  --cta-a:      #756a78;
  --cta-b:      #4d4352;
  --cta-label:  #faf6f2;
  --cta-glow:   rgba(88, 70, 110, 0.28);
  --link:       #1485ce;
  --max:        1000px;
  --radius-lg:  22px;
  --radius-md:  16px;
  --radius-sm:  12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  /* Horizontal inset for the whole page (replaces per-section horizontal padding) */
  --page-gutter: clamp(20px, 5vw, 32px);
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.47;
  color: var(--ink);
  background: var(--lavender-0);
  -webkit-font-smoothing: antialiased;
  padding-left: max(var(--page-gutter), env(safe-area-inset-left));
  padding-right: max(var(--page-gutter), env(safe-area-inset-right));
}

@media (max-width: 640px) {
  :root {
    --page-gutter: max(22px, 5.5vw);
  }
}

/* ── Ambient background ── */
.bg-brand {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 100% 80% at 50% -30%, rgba(122, 212, 255, 0.28), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 20%,  rgba(255, 216, 74, 0.18),  transparent 50%),
    radial-gradient(ellipse 60% 45% at 0%   70%,  rgba(78, 207, 122, 0.1),   transparent 45%),
    linear-gradient(180deg, var(--lavender-1) 0%, var(--lavender-0) 40%, var(--lavender-2) 100%);
}

p { margin: 0 0 1em; color: var(--ink-muted); }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Header — full-bleed bar; inner inset matches `--page-gutter` (body padding) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 255, 0.82);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  border-bottom: 1px solid rgba(90, 70, 120, 0.09);
  margin-left: calc(-1 * max(var(--page-gutter), env(safe-area-inset-left)));
  margin-right: calc(-1 * max(var(--page-gutter), env(safe-area-inset-right)));
  padding-left: max(var(--page-gutter), env(safe-area-inset-left));
  padding-right: max(var(--page-gutter), env(safe-area-inset-right));
  box-sizing: border-box;
}

.site-header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 10px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
  border-radius: 12px;
  padding: 2px;
}

.brand:hover { opacity: 0.9; text-decoration: none; }

.brand:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 4px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(26, 21, 48, 0.13);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
  justify-content: flex-end;
  min-width: 0;
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 8px 22px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.12s;
}

.nav-link:hover { color: var(--ink); text-decoration: none; }

.nav-link[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
  pointer-events: none;
}

.nav-link:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
  border-radius: 4px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  font-size: 12px;
  font-weight: 600;
  color: var(--cta-label);
  background: linear-gradient(180deg, var(--cta-a) 0%, var(--cta-b) 100%);
  border-radius: 980px;
  text-decoration: none;
  line-height: 1;
  box-shadow: 0 0 0 2px rgba(250, 246, 242, 0.95), 0 6px 18px var(--cta-glow);
  transition: transform 0.15s, box-shadow 0.15s;
}

.nav-cta:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 0 0 2px rgba(250, 246, 242, 0.95), 0 10px 24px rgba(88, 70, 110, 0.34);
}

.nav-cta:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; }

/* Mobile — same nav as desktop; App Store CTA hidden (link remains in hero/footer) */
@media (max-width: 640px) {
  .site-header .nav-cta {
    display: none;
  }
}

/* ── Layout utility — max width only; horizontal inset comes from `body` ── */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0;
}

/* ── Hero ── */
.hero {
  padding: 44px 0 56px;
  text-align: center;
}

@media (max-width: 640px) {
  .hero {
    padding-top: max(48px, env(safe-area-inset-top));
    padding-bottom: 64px;
  }

  .hero-logo-wrap {
    margin-bottom: 32px;
  }

  .hero h1 {
    margin-bottom: 18px;
  }

  .hero-detail {
    margin-bottom: 36px;
  }
}

.hero-logo-wrap { margin: 0 auto 28px; }

.hero-logo {
  height: clamp(110px, 24vw, 200px);
  width: auto;
  max-width: min(680px, 90vw);
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.hero-eyebrow {
  display: flex;
  justify-content: center;
  margin: 0 0 18px;
}

.eyebrow-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: rgba(26, 21, 48, 0.05);
  border: 1px solid rgba(26, 21, 48, 0.08);
  border-radius: 980px;
}

.hero h1 {
  font-size: clamp(32px, 5.8vw, 50px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.06;
  margin: 0 auto 16px;
  max-width: 15ch;
  color: var(--ink);
}

.hero-lead {
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 500;
  line-height: 1.36;
  max-width: 30rem;
  margin: 0 auto 12px;
  color: var(--ink-muted);
}

.hero-detail {
  font-size: 16px;
  max-width: 38rem;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  align-items: center;
  margin-bottom: 24px;
}

/* hero micro-badges */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
}

.hero-badges li {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.hero-badges svg {
  flex-shrink: 0;
  color: var(--sky);
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 30px;
  font-size: 17px;
  font-weight: 600;
  color: var(--cta-label);
  background: linear-gradient(160deg, var(--cta-a) 0%, var(--cta-b) 100%);
  border-radius: 980px;
  text-decoration: none;
  box-shadow: 0 0 0 2px rgba(250, 246, 242, 0.95), 0 10px 30px var(--cta-glow);
  transition: transform 0.15s, box-shadow 0.15s;
  letter-spacing: -0.01em;
}

.btn-primary:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 0 0 2px rgba(250, 246, 242, 0.95), 0 16px 38px rgba(88, 70, 110, 0.36);
}

.btn-primary:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; }

.btn-primary--large { font-size: 19px; padding: 16px 36px; }

/* ── Screenshot slider ── */
.shot-slider-section {
  padding: 8px 0 48px;
}

@media (max-width: 640px) {
  .shot-slider-section {
    padding-bottom: 40px;
  }
}

.shot-slider-head {
  text-align: center;
  margin-bottom: 8px;
}

.shot-slider-title {
  font-size: clamp(22px, 3.5vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
  color: var(--ink);
}

.shot-slider-sub {
  font-size: 15px;
  color: var(--ink-muted);
  margin: 0;
}

.shot-slider {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 0 8px;
  padding: 12px 0 8px;
}

.shot-slider-dots {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px 0 8px;
}

.shot-slider-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(26, 21, 48, 0.16);
  cursor: pointer;
  transition: transform 0.15s, background 0.15s;
}

.shot-slider-dot[aria-selected="true"] {
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-deep) 100%);
  transform: scale(1.3);
}

.shot-slider-dot:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; }

.shot-slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--card-edge);
  background: var(--card);
  color: var(--ink-muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 16px rgba(26, 21, 48, 0.08);
  transition: background 0.15s, transform 0.15s, color 0.15s;
  flex-shrink: 0;
}

.shot-slider-btn:hover:not(:disabled) {
  background: #fff;
  color: var(--ink);
  transform: scale(1.06);
}

.shot-slider-btn:disabled { opacity: 0.3; cursor: default; }

.shot-slider-btn:focus-visible { outline: 2px solid var(--sky); outline-offset: 2px; }

.shot-slider-viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  width: 100%;
  min-width: 0;
  -webkit-overflow-scrolling: touch;
  /* Room so device box-shadow isn’t clipped by the scrollport */
  padding: 28px 10px 48px;
  box-sizing: border-box;
}

.shot-slider-viewport::-webkit-scrollbar { display: none; }

.shot-slider-track {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.shot-slider-slide {
  flex: 0 0 auto;
  scroll-snap-align: start;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 2px 8px;
}

.shot-slider-device {
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
  padding: 10px;
  background: linear-gradient(160deg, #2e2840 0%, #14111f 100%);
  border-radius: 38px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.07),
    0 24px 56px rgba(26, 21, 48, 0.28);
}

.shot-slider-screen {
  border-radius: 28px;
  overflow: hidden;
  background: #000;
  line-height: 0;
}

.shot-slider-screen img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 520px) {
  .shot-slider {
    grid-template-columns: 38px minmax(0, 1fr) 38px;
    gap: 0 4px;
  }
  .shot-slider-btn { width: 38px; height: 38px; }
}

/* ── How to play ── */
.howto-section {
  padding: 56px 0 72px;
  border-top: 1px solid rgba(90, 70, 120, 0.1);
}

@media (max-width: 640px) {
  .howto-section {
    padding-top: 48px;
    padding-bottom: 64px;
  }

  .howto-card figcaption {
    padding-left: 18px;
    padding-right: 18px;
  }
}

.section-head {
  text-align: center;
  max-width: 32rem;
  margin: 0 auto 36px;
}

.section-head h2 {
  font-size: clamp(26px, 3.8vw, 38px);
  font-weight: 700;
  letter-spacing: -0.028em;
  line-height: 1.1;
  margin: 0 0 10px;
  color: var(--ink);
}

.section-head .subhead {
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink-muted);
  margin: 0;
}

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

@media (min-width: 800px) { .howto-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 480px) { .howto-grid { grid-template-columns: 1fr; } }

.howto-card {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(26, 21, 48, 0.07);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.howto-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(26, 21, 48, 0.12);
}

.howto-card img {
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: contain;
  display: block;
  padding: 18px 18px 0;
  background: linear-gradient(180deg, var(--lavender-1) 0%, var(--lavender-0) 100%);
}

.howto-card figcaption { padding: 14px 16px 18px; }

.howto-card h3 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 5px;
  color: var(--ink);
}

.howto-card p {
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
  color: var(--ink-muted);
}

/* ── Features ── */
.features-section {
  padding: 56px 0 64px;
  border-top: 1px solid rgba(90, 70, 120, 0.1);
}

@media (max-width: 640px) {
  .features-section {
    padding: 48px 0 56px;
  }
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 560px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 860px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }

.feat-card {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: var(--radius-md);
  padding: 22px 22px 24px;
  box-shadow: 0 4px 18px rgba(26, 21, 48, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(26, 21, 48, 0.1);
}

.feat-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.feat-icon svg {
  width: 26px;
  height: 26px;
}

/* accent colour themes */
.feat-card--accent-yellow .feat-icon { background: rgba(255, 216, 74, 0.18); color: var(--sun-deep); }
.feat-card--accent-sky    .feat-icon { background: rgba(61, 184, 240, 0.16); color: var(--sky-deep); }
.feat-card--accent-leaf   .feat-icon { background: rgba(78, 207, 122, 0.16); color: var(--leaf-deep); }
.feat-card--accent-coral  .feat-icon { background: rgba(255, 107, 107, 0.14); color: var(--coral-deep); }
.feat-card--accent-violet .feat-icon { background: rgba(155, 114, 240, 0.14); color: var(--violet-deep); }
.feat-card--accent-peach  .feat-icon { background: rgba(255, 170, 94, 0.16);  color: var(--peach-deep); }

.feat-card h3 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
}

.feat-card p {
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
  color: var(--ink-muted);
}

/* ── Closing CTA ── */
.closing {
  text-align: center;
  padding: 56px 0 88px;
}

@media (max-width: 640px) {
  .closing {
    padding: 48px 0 72px;
  }

  .closing-sub {
    padding-left: 4px;
    padding-right: 4px;
  }
}

.closing-inner {
  max-width: 42rem;
  margin: 0 auto;
}

.closing-kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sky-deep);
  margin: 0 0 12px;
}

.closing-headline {
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin: 0 0 16px;
  color: var(--ink);
}

.closing-sub {
  font-size: 18px;
  line-height: 1.5;
  max-width: 34rem;
  margin: 0 auto 36px;
  color: var(--ink-muted);
}

/* ── Footer ── */
.site-footer {
  padding: 28px 0 48px;
  border-top: 1px solid rgba(90, 70, 120, 0.1);
  text-align: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  text-decoration: none;
}

.footer-brand:hover { opacity: 0.82; text-decoration: none; }

.footer-logo {
  height: clamp(38px, 7vw, 52px);
  width: auto;
  max-width: min(320px, 88vw);
  object-fit: contain;
  display: block;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  justify-content: center;
  margin-bottom: 14px;
}

.footer-links a {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-muted);
  transition: color 0.12s;
}

.footer-links a:hover { color: var(--ink); text-decoration: none; }

.footer-appstore {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer-note {
  font-size: 12px;
  color: var(--ink-soft);
  margin: 0;
}

/* ── Subpages ── */
.subpage-main { padding: 40px 0 80px; }

.subpage-card {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: 0 16px 40px rgba(26, 21, 48, 0.06);
}

.subpage-card h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.022em;
  line-height: 1.15;
  margin: 0 0 12px;
}

@media (max-width: 640px) {
  .subpage-main {
    padding: 32px 0 64px;
  }

  .subpage-card {
    padding: 28px 22px 32px;
  }
}

.subpage-card__h2 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 28px 0 10px;
  color: var(--ink);
}

.subpage-card .subpage-list {
  margin: 0 0 16px;
  padding-left: 1.25rem;
  color: var(--ink-muted);
}

.subpage-card .subpage-list li {
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.55;
}

.subpage-card .subpage-list a {
  font-weight: 500;
}

.subpage-card .mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.subpage-card .mini {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--lavender-0);
  border: 1px solid var(--card-edge);
}

.subpage-card .mini strong {
  display: block;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 4px;
}

.subpage-card .mini p { margin: 0; font-size: 14px; }

.subpage-card .subfooter {
  margin-top: 28px;
  font-size: 12px;
  color: var(--ink-soft);
}

.page-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 8px;
}