/* svingapp.com: the app's own look, on the web.
   Tokens are lifted from src/Sving.App/Resources/Styles/Colors.xaml and Styles.xaml. Dark only, like the app. */

:root,
[data-bs-theme="dark"] {
  --sv-ground: #0e120f;
  --sv-ground-raised: #151a16;
  --sv-glass: rgba(255, 255, 255, 0.08);
  --sv-glass-strong: rgba(255, 255, 255, 0.13);
  --sv-glass-stroke: rgba(255, 255, 255, 0.14);
  --sv-glass-nested: rgba(255, 255, 255, 0.06);
  --sv-navbar: rgba(30, 37, 33, 0.9);
  --sv-glow: #4da261;
  --sv-glow-deep: #2e7042;
  --sv-text: #f4f1f7;
  --sv-text-secondary: #b8b5c2;
  --sv-text-muted: #aba7b6;
  --sv-lime: #91cf4a;
  --sv-lime-ink: #161a08;
  --sv-amber: #f2b85c;
  --sv-rose: #ff98a9;
  --sv-brand: #459858;
  --sv-radius: 24px;
  --sv-radius-lg: 28px;

  /* Bootstrap hooks */
  --bs-body-bg: var(--sv-ground);
  --bs-body-color: var(--sv-text);
  --bs-body-font-family: "Outfit", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-font-size: 1.0625rem;
  --bs-body-line-height: 1.55;
  --bs-secondary-color: var(--sv-text-secondary);
  --bs-tertiary-color: var(--sv-text-muted);
  --bs-link-color: var(--sv-lime);
  --bs-link-color-rgb: 145, 207, 74;
  --bs-link-hover-color: #a9de6b;
  --bs-link-hover-color-rgb: 169, 222, 107;
  --bs-border-color: var(--sv-glass-stroke);
  --bs-heading-color: var(--sv-text);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  background-color: var(--sv-ground);
  color: var(--sv-text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* The ground: grass texture under a green glow that comes from the top-left, as in the app's landing page. */
.sv-ground {
  position: relative;
  isolation: isolate;
}
.sv-ground::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("../img/ground_grass.jpg") center top / 1080px auto repeat;
  opacity: 0.55;
}
.sv-ground::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 45% at 18% 8%, rgba(77, 162, 97, 0.45), transparent 70%),
    radial-gradient(50% 40% at 85% 30%, rgba(46, 112, 66, 0.35), transparent 70%),
    linear-gradient(180deg, rgba(14, 18, 15, 0.15) 0%, rgba(14, 18, 15, 0.85) 70%, var(--sv-ground) 100%);
}

/* Type: Outfit Light for display, Medium for section titles, Regular for body. */
h1, .h1 { font-weight: 300; letter-spacing: -0.02em; line-height: 1.05; }
h2, .h2 { font-weight: 500; letter-spacing: -0.01em; line-height: 1.15; }
h3, .h3, h4, .h4 { font-weight: 500; }
.sv-display {
  font-size: clamp(2.6rem, 6.5vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.02;
}
.sv-lead {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 300;
  color: var(--sv-text-secondary);
}
.sv-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sv-lime);
}
.text-secondary-sv { color: var(--sv-text-secondary) !important; }
.text-muted-sv { color: var(--sv-text-muted) !important; }
.text-lime { color: var(--sv-lime) !important; }

/* Navbar: the app's floating bar, dense fill, no shadow. */
.sv-navbar {
  background: var(--sv-navbar);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--sv-glass-stroke);
}
.sv-navbar .nav-link {
  color: var(--sv-text-secondary);
  font-weight: 500;
}
.sv-navbar .nav-link:hover,
.sv-navbar .nav-link:focus { color: var(--sv-text); }
.sv-brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.sv-brand img.logotype { height: 40px; width: auto; display: block; }
.navbar-toggler { border-color: var(--sv-glass-stroke); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28244, 241, 247, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Glass card, as in Styles.xaml: translucent white fill, one-pixel stroke, radius 24. */
.sv-card {
  background: var(--sv-glass);
  border: 1px solid var(--sv-glass-stroke);
  border-radius: var(--sv-radius);
  padding: 1.5rem;
  height: 100%;
}
.sv-card.nested { background: var(--sv-glass-nested); }
.sv-card.strong { background: var(--sv-glass-strong); }
.sv-card-gradient {
  background: linear-gradient(135deg, #62b876 0%, #459858 50%, #2c6038 100%);
  border: 0;
  border-radius: var(--sv-radius-lg);
  padding: 1.5rem;
  color: var(--sv-text);
}
.sv-card-fixed {
  background: linear-gradient(135deg, #2f7d46 0%, #1f5c4a 100%);
  border: 0;
  border-radius: var(--sv-radius-lg);
  padding: 1.25rem 1.5rem;
  color: var(--sv-text);
}

/* Buttons: pill, lime for the single primary action, glass for the rest. */
.btn { border-radius: 999px; font-weight: 600; padding: 0.75rem 1.5rem; }
.btn-lime {
  --bs-btn-bg: var(--sv-lime);
  --bs-btn-color: var(--sv-lime-ink);
  --bs-btn-border-color: var(--sv-lime);
  --bs-btn-hover-bg: #a9de6b;
  --bs-btn-hover-color: var(--sv-lime-ink);
  --bs-btn-hover-border-color: #a9de6b;
  --bs-btn-active-bg: #7fbd3c;
  --bs-btn-active-color: var(--sv-lime-ink);
  --bs-btn-active-border-color: #7fbd3c;
  --bs-btn-focus-shadow-rgb: 145, 207, 74;
}
.btn-glass {
  --bs-btn-bg: var(--sv-glass-strong);
  --bs-btn-color: var(--sv-text);
  --bs-btn-border-color: var(--sv-glass-stroke);
  --bs-btn-hover-bg: rgba(255, 255, 255, 0.2);
  --bs-btn-hover-color: var(--sv-text);
  --bs-btn-hover-border-color: var(--sv-glass-stroke);
  --bs-btn-active-bg: rgba(255, 255, 255, 0.24);
  --bs-btn-active-color: var(--sv-text);
  --bs-btn-active-border-color: var(--sv-glass-stroke);
  --bs-btn-focus-shadow-rgb: 244, 241, 247;
}

/* The App Store badge: Apple's own artwork, at Apple's minimum height of 40 px and up. */
.sv-store-badge img { height: 54px; width: auto; display: block; }
.sv-store-badge:focus-visible { outline: 2px solid var(--sv-lime); outline-offset: 4px; border-radius: 8px; }

/* Numbered step, as on the landing page: lime disc, dark numeral. */
.sv-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.sv-step .num {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--sv-lime);
  color: var(--sv-lime-ink);
  font-weight: 600;
  font-size: 1.15rem;
  display: grid;
  place-items: center;
}
.sv-step h3 { font-size: 1.25rem; margin-bottom: 0.25rem; }
.sv-step p { color: var(--sv-text-secondary); margin: 0; }

/* Phone and tablet frames: a rounded slab with the app's glass stroke, no device chrome. */
.sv-phone, .sv-tablet {
  border-radius: 34px;
  border: 1px solid var(--sv-glass-stroke);
  background: var(--sv-ground-raised);
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(0, 0, 0, 0.4);
}
.sv-phone img, .sv-tablet img { display: block; width: 100%; height: auto; }
.sv-tablet { border-radius: 26px; }

/* Hero */
.sv-hero { padding-block: clamp(3rem, 8vw, 6.5rem) clamp(2rem, 6vw, 4rem); }
.sv-hero .sv-phone {
  max-width: 340px;
  margin-inline: auto;
  transform: rotate(-2deg);
  /* A rotated box gets stair-stepped edges. Its own layer and a transparent outline make the
     browser antialias the edge instead. */
  will-change: transform;
  backface-visibility: hidden;
  outline: 1px solid transparent;
}
@media (min-width: 992px) {
  .sv-hero .sv-phone { max-width: 380px; transform: rotate(-3deg) translateY(10px); }
}

/* Screenshot rail: horizontal scroll, snap, one card per screen. */
.sv-rail {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0.5rem 0.25rem 1.25rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--sv-glass-stroke) transparent;
}
.sv-rail > figure {
  flex: 0 0 auto;
  width: min(72vw, 280px);
  margin: 0;
  scroll-snap-align: start;
}
.sv-rail figcaption {
  margin-top: 0.75rem;
  color: var(--sv-text-secondary);
  font-size: 0.95rem;
}
.sv-rail figcaption strong { color: var(--sv-text); font-weight: 500; display: block; }

/* Fault list: two columns of glass rows with a lime tick. */
.sv-faults { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
@media (min-width: 768px) { .sv-faults { grid-template-columns: 1fr 1fr; } }
.sv-faults li {
  background: var(--sv-glass-nested);
  border: 1px solid var(--sv-glass-stroke);
  border-radius: 16px;
  padding: 0.7rem 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}
.sv-faults li::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sv-lime);
}

/* Plans */
.sv-plan { display: flex; flex-direction: column; }
.sv-plan .name { font-size: 1.35rem; font-weight: 500; }
.sv-plan .term { color: var(--sv-text-secondary); }
.sv-plan .badge-trial {
  display: inline-block;
  background: var(--sv-lime);
  color: var(--sv-lime-ink);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Sections */
section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.sv-divider { border: 0; border-top: 1px solid var(--sv-glass-stroke); margin: 0; opacity: 1; }

/* Accordion (FAQ), in glass. */
.accordion {
  --bs-accordion-bg: var(--sv-glass-nested);
  --bs-accordion-color: var(--sv-text);
  --bs-accordion-border-color: var(--sv-glass-stroke);
  --bs-accordion-btn-color: var(--sv-text);
  --bs-accordion-btn-bg: transparent;
  --bs-accordion-active-bg: var(--sv-glass);
  --bs-accordion-active-color: var(--sv-text);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 0.2rem rgba(145, 207, 74, 0.35);
  --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f4f1f7'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  --bs-accordion-btn-active-icon: var(--bs-accordion-btn-icon);
  --bs-accordion-border-radius: 18px;
  --bs-accordion-inner-border-radius: 17px;
}
.accordion-item { margin-bottom: 0.6rem; border-radius: 18px !important; overflow: hidden; }
.accordion-button { font-weight: 500; }
.accordion-body { color: var(--sv-text-secondary); }

/* Footer */
.sv-footer {
  border-top: 1px solid var(--sv-glass-stroke);
  padding-block: 2.5rem;
  color: var(--sv-text-muted);
  font-size: 0.95rem;
}
.sv-footer a { color: var(--sv-text-secondary); text-decoration: none; }
.sv-footer a:hover { color: var(--sv-text); }

/* Legal pages */
.sv-prose { max-width: 46rem; }
.sv-prose h2 { font-size: 1.5rem; margin-top: 2.5rem; }
.sv-prose p, .sv-prose li { color: var(--sv-text-secondary); }
.sv-prose strong { color: var(--sv-text); font-weight: 500; }

/* Brand page (/brand/): the guide shown with the site's own parts, so every sample is the real thing. */
.sv-brand-page { max-width: 62rem; }
.sv-brand-page h2 { font-size: 1.75rem; margin-top: 3.5rem; }
.sv-brand-page h3 { font-size: 1.15rem; margin-top: 2rem; }
.sv-brand-page p, .sv-brand-page li, .sv-brand-page td { color: var(--sv-text-secondary); }
.sv-brand-page strong { color: var(--sv-text); font-weight: 500; }
.sv-brand-page table { width: 100%; font-size: 0.95rem; }
.sv-brand-page th { color: var(--sv-text); font-weight: 500; }
.sv-brand-page th, .sv-brand-page td { padding: 0.5rem 0.75rem 0.5rem 0; border-bottom: 1px solid var(--sv-glass-stroke); vertical-align: top; }
.sv-brand-page code { color: var(--sv-lime); background: var(--sv-glass-nested); border-radius: 6px; padding: 0.1em 0.4em; font-size: 0.9em; }

/* A tile that holds one logo version. "light" is a light page, for the dark-ink versions. */
.sv-tile {
  background: var(--sv-glass);
  border: 1px solid var(--sv-glass-stroke);
  border-radius: var(--sv-radius);
  padding: 2rem;
  min-height: 11rem;
  display: grid;
  place-items: center;
  flex: 1 1 auto;                    /* the column is a flex column: the tile grows, the caption sits under it */
}
.sv-tile.light { background: #f4f1f7; border-color: transparent; }
.sv-tile img { max-width: 100%; height: auto; display: block; }
.sv-tile-caption { margin-top: 0.75rem; font-size: 0.9rem; color: var(--sv-text-muted); }
.sv-tile-caption strong { display: block; }

/* Colour swatches: the colour itself, over the ground where it is translucent, then its name and hex. */
.sv-swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); gap: 1rem; }
.sv-swatch { display: flex; flex-direction: column; gap: 0.5rem; }
.sv-swatch .chip { height: 5rem; border-radius: 18px; border: 1px solid var(--sv-glass-stroke); }
.sv-swatch .name { color: var(--sv-text); font-weight: 500; font-size: 0.95rem; line-height: 1.15; }
.sv-swatch .hex { color: var(--sv-text-muted); font-size: 0.85rem; }

/* Type samples: the app's styles at their relative sizes. */
.sv-type-sample { display: grid; grid-template-columns: 1fr; gap: 0.15rem; padding: 1rem 0; border-bottom: 1px solid var(--sv-glass-stroke); }
.sv-type-sample .sample { color: var(--sv-text); line-height: 1.1; }
.sv-type-sample .spec { color: var(--sv-text-muted); font-size: 0.85rem; }
.sv-t-hero { font-weight: 300; font-size: 3.25rem; }
.sv-t-title { font-weight: 300; font-size: 1.9rem; }
.sv-t-stat { font-weight: 500; font-size: 2.25rem; }
.sv-t-section { font-weight: 500; font-size: 1.3rem; }
.sv-t-card { font-weight: 500; font-size: 1.2rem; }
.sv-t-body { font-weight: 400; font-size: 1.0625rem; line-height: 1.3; }
.sv-t-caption { font-weight: 400; font-size: 1rem; color: var(--sv-text-secondary) !important; }
.sv-t-button { font-weight: 600; font-size: 0.95rem; }

/* The ground, shown plain next to the grass ground. */
.sv-ground-sample { border-radius: var(--sv-radius); border: 1px solid var(--sv-glass-stroke); aspect-ratio: 16 / 10; overflow: hidden; position: relative; isolation: isolate; background: var(--sv-ground); }
.sv-ground-sample.plain::after, .sv-ground-sample.grass::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 60% at 95% 5%, rgba(77, 162, 97, 0.46), transparent 70%),
    radial-gradient(55% 55% at 2% 92%, rgba(46, 112, 66, 0.34), transparent 70%);
}
.sv-ground-sample.plain { background-image: radial-gradient(circle, #1e2420 1.5px, transparent 1.6px); background-size: 44px 44px; }
.sv-ground-sample.grass::before { content: ""; position: absolute; inset: 0; z-index: -2; background: url("../img/ground_grass.jpg") center / 100% auto repeat; opacity: 0.55; }
.sv-ground-sample span { position: absolute; left: 1rem; bottom: 0.9rem; font-size: 0.9rem; color: var(--sv-text-secondary); }

/* The badge, as the ads and store screenshots carry it. */
.sv-badge { display: inline-block; background: var(--sv-lime); color: var(--sv-lime-ink); border-radius: 999px; padding: 0.35rem 1rem; font-weight: 500; }

/* The don'ts: glass rows with a rose dot instead of the fault list's lime one. */
.sv-donts { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
@media (min-width: 768px) { .sv-donts { grid-template-columns: 1fr 1fr; } }
.sv-donts li { background: var(--sv-glass-nested); border: 1px solid var(--sv-glass-stroke); border-radius: 16px; padding: 0.7rem 1rem; display: flex; gap: 0.75rem; align-items: center; }
.sv-donts li::before { content: ""; flex: 0 0 auto; width: 10px; height: 10px; border-radius: 50%; background: var(--sv-rose); }

/* Cookie consent bar (js/consent.js): a glass card at the bottom, Decline and Accept given equal weight. */
.sv-consent {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 1080;
  max-width: 44rem;
  margin-inline: auto;
  padding: 1.1rem 1.25rem;
  background: rgba(30, 37, 33, 0.94);
  border: 1px solid var(--sv-glass-stroke);
  border-radius: var(--sv-radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}
.sv-consent[hidden] { display: none; }
.sv-consent-text { flex: 1 1 18rem; margin: 0; font-size: 0.95rem; color: var(--sv-text-secondary); }
.sv-consent-actions { display: flex; gap: 0.6rem; flex: 0 0 auto; }
.sv-consent .btn { padding: 0.55rem 1.3rem; min-width: 6.5rem; }
@media (max-width: 480px) {
  .sv-consent-actions { flex: 1 1 100%; }
  .sv-consent .btn { flex: 1 1 0; }
}

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