/* =========================================================
   Homeloom Landing Page
   Core styles: brand system, layout, components, and motion.
   ========================================================= */

:root {
  --color-primary: #6537E9;
  --color-primary-dark: #4F2CC4;
  --color-primary-light: #8B6CF2;
  --color-primary-soft: #F5F1FF;
  --color-background: #FCFBFF;
  --color-white: #FFFFFF;
  --color-text: #1F1F28;
  --color-muted: #6B7280;
  --color-border: #E7E3F7;

  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container: 1180px;
  --header-height: 76px;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --shadow-soft: 0 24px 70px rgba(101, 55, 233, 0.12);
  --shadow-card: 0 20px 50px rgba(31, 31, 40, 0.08);
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(139, 108, 242, 0.16), transparent 34rem),
    var(--color-background);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
}

::selection {
  color: var(--color-white);
  background: var(--color-primary);
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.sr-only,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  z-index: 200;
  top: 14px;
  left: 14px;
  width: auto;
  height: auto;
  padding: 12px 16px;
  margin: 0;
  clip: auto;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: var(--radius-pill);
}

/* ---------------------------
   Navigation
   --------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252, 251, 255, 0.82);
  border-bottom: 1px solid rgba(231, 227, 247, 0.72);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  transition: box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.site-header.is-scrolled {
  background: rgba(252, 251, 255, 0.94);
  border-color: rgba(231, 227, 247, 0.95);
  box-shadow: 0 18px 48px rgba(31, 31, 40, 0.08);
}

.nav {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.18rem;
  font-weight: 850;
  line-height: 1;
  letter-spacing: 0;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(101, 55, 233, 0.18);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-menu a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  transition: color var(--transition), background var(--transition);
}

.nav-menu a:hover,
.nav-menu a:focus-visible,
.nav-menu a.is-active,
.nav-menu a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  outline: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: 0 12px 24px rgba(31, 31, 40, 0.06);
  cursor: pointer;
}

.nav-toggle span[aria-hidden="true"] {
  width: 18px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-pill);
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------------------------
   Buttons
   --------------------------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  font-weight: 800;
  border-radius: var(--radius-pill);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.button:focus-visible,
.store-button:focus-visible,
.newsletter-form input:focus-visible {
  outline: 3px solid rgba(139, 108, 242, 0.38);
  outline-offset: 3px;
}

.button-primary {
  color: var(--color-white);
  background: var(--color-primary);
  box-shadow: 0 16px 34px rgba(101, 55, 233, 0.26);
}

.button-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 20px 44px rgba(101, 55, 233, 0.32);
  transform: translateY(-2px);
}

.button-secondary {
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(231, 227, 247, 0.92);
  box-shadow: 0 16px 34px rgba(31, 31, 40, 0.08);
}

.button-secondary:hover {
  background: var(--color-white);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
}

/* ---------------------------
   Hero
   --------------------------- */

.hero {
  position: relative;
  min-height: clamp(680px, 88svh, 880px);
  isolation: isolate;
  overflow: hidden;
}

.hero-media,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -2;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-scrim {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(252, 251, 255, 0.98) 0%, rgba(252, 251, 255, 0.9) 36%, rgba(252, 251, 255, 0.48) 62%, rgba(252, 251, 255, 0.16) 100%),
    linear-gradient(180deg, rgba(252, 251, 255, 0.8) 0%, rgba(252, 251, 255, 0.12) 46%, rgba(252, 251, 255, 0.96) 100%);
}

.hero-inner {
  min-height: inherit;
  display: flex;
  align-items: center;
  padding: 110px 0 78px;
}

.hero-copy {
  width: min(690px, 100%);
}

.eyebrow,
.section-kicker,
.assist-label {
  margin: 0 0 16px;
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.section-copy h2,
.story-copy h2,
.download-copy h2,
.legal-hero h1 {
  margin: 0;
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: 0;
  color: var(--color-text);
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(4rem, 8vw, 6.9rem);
}

.hero-subtitle {
  max-width: 560px;
  margin: 26px 0 0;
  color: var(--color-muted);
  font-size: clamp(1.16rem, 2vw, 1.45rem);
  line-height: 1.52;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

/* ---------------------------
   Shared sections
   --------------------------- */

.section {
  padding: 116px 0;
}

.section-slim {
  padding: 34px 0 96px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 52px;
}

.section-heading h2,
.section-copy h2,
.story-copy h2,
.download-copy h2 {
  font-size: clamp(2.5rem, 5vw, 4.8rem);
}

.section-lead {
  margin: 22px 0 0;
  color: var(--color-muted);
  font-size: 1.18rem;
  line-height: 1.72;
}

.section-copy p:not(.section-kicker),
.story-copy p,
.legal-document p,
.legal-document li {
  color: var(--color-muted);
}

.vision {
  background: var(--color-background);
}

.vision-grid,
.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 72px;
  align-items: center;
}

.vision-image,
.story-image {
  margin: 0;
}

.vision-image img,
.story-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.vision-image figcaption {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.principles {
  background: linear-gradient(180deg, var(--color-background), var(--color-white));
}

.how-it-works {
  background: var(--color-background);
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.principle,
.how-card {
  min-height: 168px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 44px rgba(31, 31, 40, 0.05);
}

.how-card {
  min-height: 216px;
}

.principle span {
  display: block;
  margin-bottom: 12px;
  font-weight: 850;
}

.how-card h3 {
  margin: 0 0 12px;
  color: var(--color-text);
  font-size: 1.32rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.principle p {
  margin: 0;
  color: var(--color-muted);
}

.how-card p {
  margin: 0;
  color: var(--color-muted);
}

/* ---------------------------
   Features
   --------------------------- */

.features {
  background:
    linear-gradient(180deg, var(--color-white), var(--color-background));
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  position: relative;
  min-height: 304px;
  padding: 30px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 46px rgba(31, 31, 40, 0.06);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.feature-card:hover {
  border-color: rgba(139, 108, 242, 0.5);
  box-shadow: var(--shadow-soft);
  transform: translateY(-4px);
}

.feature-card:hover::after {
  transform: scaleX(1);
}

.feature-index {
  display: inline-flex;
  margin-bottom: 20px;
  color: var(--color-primary-light);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.feature-card h3,
.assist-card h3 {
  margin: 22px 0 12px;
  color: var(--color-text);
  font-size: 1.32rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.feature-card p,
.assist-card p {
  margin: 0;
  color: var(--color-muted);
}

.feature-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-border);
  border-radius: 18px;
}

.feature-icon::before,
.feature-icon::after {
  content: "";
  position: absolute;
  box-sizing: border-box;
}

.icon-private::before {
  width: 24px;
  height: 18px;
  bottom: 13px;
  border: 3px solid currentColor;
  border-radius: 6px;
}

.icon-private::after {
  width: 20px;
  height: 18px;
  top: 10px;
  border: 3px solid currentColor;
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
}

.icon-media::before,
.icon-media::after {
  width: 25px;
  height: 18px;
  border: 3px solid currentColor;
  border-radius: 6px;
}

.icon-media::before {
  transform: translate(-4px, -4px);
}

.icon-media::after {
  transform: translate(5px, 5px);
}

.icon-timeline::before {
  width: 3px;
  height: 32px;
  background: currentColor;
  border-radius: var(--radius-pill);
}

.icon-timeline::after {
  width: 30px;
  height: 30px;
  background:
    radial-gradient(circle at center 4px, currentColor 0 4px, transparent 5px),
    radial-gradient(circle at center 15px, currentColor 0 4px, transparent 5px),
    radial-gradient(circle at center 26px, currentColor 0 4px, transparent 5px);
}

.icon-story::before {
  width: 28px;
  height: 28px;
  border: 3px solid currentColor;
  border-radius: 7px 3px 3px 7px;
}

.icon-story::after {
  width: 3px;
  height: 26px;
  background: currentColor;
  transform: translateX(-4px);
  border-radius: var(--radius-pill);
}

.icon-events::before {
  width: 28px;
  height: 26px;
  border: 3px solid currentColor;
  border-radius: 7px;
}

.icon-events::after {
  width: 18px;
  height: 3px;
  background: currentColor;
  box-shadow: 0 8px 0 currentColor;
  border-radius: var(--radius-pill);
  transform: translateY(2px);
}

.icon-reactions::before {
  width: 20px;
  height: 20px;
  background: currentColor;
  transform: translateY(3px) rotate(45deg);
  border-radius: 4px;
}

.icon-reactions::after {
  width: 28px;
  height: 16px;
  background:
    radial-gradient(circle at 8px 8px, currentColor 0 8px, transparent 9px),
    radial-gradient(circle at 20px 8px, currentColor 0 8px, transparent 9px);
  transform: translateY(-3px);
}

.icon-assist::before {
  width: 26px;
  height: 26px;
  background:
    linear-gradient(currentColor, currentColor) center / 3px 26px no-repeat,
    linear-gradient(90deg, currentColor, currentColor) center / 26px 3px no-repeat;
  transform: rotate(45deg);
  border-radius: 4px;
}

.icon-assist::after {
  width: 8px;
  height: 8px;
  right: 10px;
  top: 10px;
  background: currentColor;
  border-radius: 50%;
}

.assist-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  margin-top: 18px;
  padding: 28px;
  background: rgba(245, 241, 255, 0.72);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.assist-card h3 {
  margin-top: 0;
}

.assist-label {
  margin-bottom: 10px;
  font-size: 0.72rem;
}

/* ---------------------------
   Story and download
   --------------------------- */

.story {
  background: var(--color-white);
}

.story-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
}

.story-copy blockquote {
  margin: 30px 0;
  padding: 0 0 0 24px;
  border-left: 4px solid var(--color-primary);
}

.story-copy blockquote p {
  margin: 0;
  color: var(--color-primary);
  font-size: clamp(2.35rem, 4.8vw, 4.25rem);
  font-weight: 950;
  line-height: 1.05;
  letter-spacing: 0;
}

.download {
  background:
    radial-gradient(circle at 18% 20%, rgba(139, 108, 242, 0.22), transparent 30rem),
    var(--color-background);
}

.download-inner {
  padding: 58px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.download-copy {
  max-width: 820px;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 38px 0;
}

.store-button {
  display: grid;
  align-content: center;
  min-width: 214px;
  min-height: 76px;
  padding: 12px 22px;
  text-align: left;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: 0 14px 32px rgba(31, 31, 40, 0.06);
}

.store-button span {
  display: block;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.store-button strong {
  display: block;
  font-size: 1.15rem;
  line-height: 1.15;
}

.store-button:disabled {
  cursor: not-allowed;
  opacity: 1;
}

.newsletter-form {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 14px;
  align-items: end;
  max-width: 720px;
}

.newsletter-field label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 800;
}

.newsletter-form input {
  width: 100%;
  min-height: 54px;
  padding: 0 18px;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.newsletter-form input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 12px 30px rgba(101, 55, 233, 0.1);
}

.form-note,
.form-message {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.form-message {
  min-height: 1.5em;
  color: var(--color-primary);
  font-weight: 800;
}

.form-message.is-error {
  color: var(--color-primary-dark);
}

/* ---------------------------
   Footer
   --------------------------- */

.site-footer {
  padding: 52px 0;
  color: var(--color-muted);
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: center;
}

.footer-brand {
  color: var(--color-text);
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.site-footer a:not(.brand) {
  font-weight: 750;
  color: var(--color-muted);
  transition: color var(--transition);
}

.site-footer a:not(.brand):hover,
.site-footer a:not(.brand):focus-visible {
  color: var(--color-primary);
  outline: none;
}

.copyright {
  grid-column: 1 / -1;
  font-size: 0.9rem;
}

/* ---------------------------
   Legal pages
   --------------------------- */

.legal-page {
  background: var(--color-background);
}

.legal-hero {
  padding: 96px 0 54px;
  background:
    radial-gradient(circle at 12% 12%, rgba(139, 108, 242, 0.18), transparent 32rem),
    var(--color-background);
}

.legal-hero h1 {
  max-width: 900px;
  font-size: clamp(3.4rem, 8vw, 6.4rem);
}

.legal-updated {
  margin: 22px 0 0;
  color: var(--color-primary);
  font-weight: 850;
}

.legal-intro {
  max-width: 850px;
  margin: 24px 0 0;
  color: var(--color-muted);
  font-size: 1.16rem;
}

.legal-content {
  padding: 54px 0 104px;
}

.legal-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.legal-summary {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  padding: 26px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 42px rgba(31, 31, 40, 0.06);
}

.legal-summary h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.legal-summary p {
  margin: 0;
  color: var(--color-muted);
}

.legal-document {
  padding: 48px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(31, 31, 40, 0.06);
}

.legal-document h2 {
  margin: 42px 0 12px;
  color: var(--color-text);
  font-size: 1.28rem;
  line-height: 1.25;
}

.legal-document h2:first-child {
  margin-top: 0;
}

.legal-document p {
  margin: 0 0 18px;
}

.legal-document ul {
  margin: 0 0 20px;
  padding-left: 22px;
}

.legal-document li + li {
  margin-top: 10px;
}

.legal-document a {
  color: var(--color-primary);
  font-weight: 800;
}

.legal-document a:hover,
.legal-document a:focus-visible {
  color: var(--color-primary-dark);
  outline: none;
}

/* ---------------------------
   Motion
   --------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}