/*
  ai-moments.com marketing site
  - Static, mobile-first
  - Warm, family-friendly styling
  - Soft purple → blue accents on a clean white base
  - Minimal motion with prefers-reduced-motion support
*/

:root {
  /* Base */
  --bg: #ffffff;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-2: rgba(255, 255, 255, 0.75);

  /* Ink */
  --text: #1f1a2b;
  --muted: #4b3f63;

  /* Accents */
  --accent-a: #7a5cff; /* soft purple */
  --accent-b: #3aa6ff; /* soft blue */

  /* Lines + shadows */
  --border: rgba(35, 24, 54, 0.14);
  --shadow: 0 16px 40px rgba(31, 26, 43, 0.10);
  --shadow-soft: 0 10px 24px rgba(31, 26, 43, 0.08);

  /* Radius + spacing */
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 22px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 72px;

  /* Type */
  --font: ui-rounded, system-ui, -apple-system, "SF Pro Rounded", "SF Pro Text", "Segoe UI", Roboto,
    Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";

  /* Container */
  --container: 1120px;
}

/* Basic reset */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

:focus-visible {
  outline: 3px solid rgba(58, 166, 255, 0.55);
  outline-offset: 3px;
  border-radius: 10px;
}

/* Screen-reader only utility */
.sr-only {
  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 */
.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 10px 12px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  transform: translateY(-140%);
  transition: transform 160ms ease;
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(35, 24, 54, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  height: 40px;
  width: auto;
}

.nav {
  display: none;
  gap: 14px;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  color: rgba(31, 26, 43, 0.84);
  padding: 10px 10px;
  border-radius: 999px;
}

.nav-link:hover {
  background: rgba(122, 92, 255, 0.08);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-7) 0 var(--space-6);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: auto;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.25;
  pointer-events: none;
}

.hero::before {
  background: radial-gradient(circle at 30% 30%, var(--accent-a), transparent 55%);
  top: -240px;
  left: -200px;
}

.hero::after {
  background: radial-gradient(circle at 30% 30%, var(--accent-b), transparent 55%);
  top: -220px;
  right: -220px;
}

.hero-inner {
  display: grid;
  gap: 28px;
  align-items: center;
}

.hero-content {
  max-width: 44rem;
}

.hero-headline {
  display: grid;
  gap: 14px;
  align-items: start;
}

.hero-text {
  min-width: 0;
}

.hero-brand {
  display: inline-flex;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(35, 24, 54, 0.12);
  box-shadow: var(--shadow-soft);
}

.hero-logo {
  height: clamp(84px, 10vw, 120px);
  width: auto;
}

.hero-brand-inline {
  justify-self: start;
}

@media (min-width: 640px) {
  .hero-headline {
    grid-template-columns: auto 1fr;
    gap: 18px;
    align-items: center;
  }

  .hero-brand-inline {
    padding: 14px 16px;
  }
}

.hero-title {
  margin: 18px 0 10px;
  font-size: clamp(2rem, 5vw, 3.1rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
}

.hero-subtitle {
  margin: 0;
  color: rgba(31, 26, 43, 0.82);
  font-size: 1.08rem;
  max-width: 42rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.hero-note {
  margin: 14px 0 0;
  color: rgba(75, 63, 99, 0.9);
  font-size: 0.98rem;
}

.hero-panel {
  justify-self: start;
}

.hero-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.75));
  border: 1px solid rgba(35, 24, 54, 0.12);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow);
}

.hero-card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.hero-card-caption {
  margin: 6px 0 0;
  color: rgba(75, 63, 99, 0.92);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(35, 24, 54, 0.12);
  background: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 650;
  letter-spacing: -0.01em;
  min-height: 44px;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
  box-shadow: 0 12px 22px rgba(122, 92, 255, 0.22);
}

.button-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(58, 166, 255, 0.24);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(35, 24, 54, 0.14);
  color: rgba(31, 26, 43, 0.9);
}

.button-secondary:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.92);
}

/* Sections */
.section {
  padding: var(--space-6) 0;
}

.section-tinted {
  background: linear-gradient(
    180deg,
    rgba(122, 92, 255, 0.06) 0%,
    rgba(58, 166, 255, 0.05) 100%
  );
  border-top: 1px solid rgba(35, 24, 54, 0.06);
  border-bottom: 1px solid rgba(35, 24, 54, 0.06);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.section-title {
  margin: 0;
  font-size: 1.65rem;
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 12px 0 0;
  color: rgba(31, 26, 43, 0.82);
  font-size: 1.06rem;
  max-width: 60ch;
}

.section-kicker {
  margin: 0;
  color: rgba(75, 63, 99, 0.9);
}

/* Experience cards grid */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

.card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(35, 24, 54, 0.12);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 10px;
}

.card-title {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.card-text {
  margin: 0;
  color: rgba(31, 26, 43, 0.82);
}

.card-link {
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 650;
  color: rgba(31, 26, 43, 0.92);
  width: fit-content;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(35, 24, 54, 0.14);
  background: rgba(255, 255, 255, 0.74);
}

.card-link:hover {
  background: rgba(255, 255, 255, 0.94);
}

.external {
  font-size: 0.95em;
}

/* Steps */
.steps {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(35, 24, 54, 0.12);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
}

.step-number {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: rgba(31, 26, 43, 0.9);
  background: linear-gradient(180deg, rgba(122, 92, 255, 0.18), rgba(58, 166, 255, 0.12));
  border: 1px solid rgba(35, 24, 54, 0.10);
}

.step-title {
  margin: 0;
  font-size: 1.05rem;
}

.step-text {
  margin: 6px 0 0;
  color: rgba(31, 26, 43, 0.82);
}

.reassurance {
  margin: 16px 0 0;
  color: rgba(75, 63, 99, 0.92);
  max-width: 66ch;
}

/* Trust */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

.trust-item {
  padding: 18px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(35, 24, 54, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.trust-title {
  margin: 0;
  font-size: 1.08rem;
}

.trust-text {
  margin: 8px 0 0;
  color: rgba(31, 26, 43, 0.82);
}

/* Closing */
.closing {
  padding: var(--space-7) 0;
}

.closing-inner {
  text-align: center;
  border-radius: var(--radius-lg);
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid rgba(35, 24, 54, 0.12);
  background: linear-gradient(
      120deg,
      rgba(122, 92, 255, 0.10),
      rgba(58, 166, 255, 0.08)
    ),
    rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.closing-title {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
}

.closing-text {
  margin: 10px auto 18px;
  color: rgba(31, 26, 43, 0.82);
  max-width: 52ch;
}

/* Footer */
.footer {
  padding: 28px 0;
  border-top: 1px solid rgba(35, 24, 54, 0.08);
  background: rgba(255, 255, 255, 0.96);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-logo {
  height: 34px;
  width: auto;
}

.footer-copy {
  margin: 10px 0 0;
  color: rgba(75, 63, 99, 0.92);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-link {
  color: rgba(31, 26, 43, 0.88);
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(35, 24, 54, 0.12);
  background: rgba(255, 255, 255, 0.72);
}

.footer-link:hover {
  background: rgba(255, 255, 255, 0.94);
}

/* Active nav link */
.nav-link-active {
  background: rgba(122, 92, 255, 0.10);
  color: var(--accent-a);
  font-weight: 650;
}

/* About page */
.about-hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-7) 0 var(--space-6);
}

.about-hero::before,
.about-hero::after {
  content: "";
  position: absolute;
  inset: auto;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.22;
  pointer-events: none;
}

.about-hero::before {
  background: radial-gradient(circle at 30% 30%, var(--accent-a), transparent 55%);
  top: -240px;
  left: -200px;
}

.about-hero::after {
  background: radial-gradient(circle at 30% 30%, var(--accent-b), transparent 55%);
  top: -220px;
  right: -220px;
}

.about-hero-inner {
  max-width: 52rem;
}

.about-eyebrow {
  margin: 0 0 14px;
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-title {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.about-vision-section {
  padding: var(--space-7) 0;
}

.about-vision {
  max-width: 58rem;
  display: grid;
  gap: var(--space-5);
}

.about-vision-heading {
  margin: 0;
  font-size: 1.65rem;
  letter-spacing: -0.02em;
}

.about-vision-body {
  display: grid;
  gap: var(--space-4);
  padding: clamp(22px, 4vw, 40px);
  border-radius: var(--radius-lg);
  background: linear-gradient(
      120deg,
      rgba(122, 92, 255, 0.07),
      rgba(58, 166, 255, 0.05)
    ),
    rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(35, 24, 54, 0.12);
  box-shadow: var(--shadow-soft);
}

.about-vision-lead {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.about-vision-text {
  margin: 0;
  font-size: 1.06rem;
  color: rgba(31, 26, 43, 0.82);
  line-height: 1.65;
}

.about-vision-closing {
  color: rgba(31, 26, 43, 0.9);
}

.about-vision-tagline {
  display: inline-block;
  margin-top: 6px;
  font-style: italic;
  font-weight: 650;
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Reveal (minimal motion). JS toggles [data-reveal] into view. */
[data-reveal] {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 520ms ease, transform 520ms ease;
  }

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

  .button {
    transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease, opacity 120ms ease;
  }

  html {
    scroll-behavior: smooth;
  }
}

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

  * {
    transition: none !important;
    animation: none !important;
  }
}

/* Responsive enhancements */
@media (min-width: 720px) {
  .nav {
    display: flex;
  }

  .hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 32px;
  }

  .hero-panel {
    justify-self: end;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .step-number {
    width: 46px;
    height: 46px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}