/* ===================================================================
   Zurl — Home Page Styles
   Design tokens: indigo #4F46E5 / coral #F2675A on light neutral base
   Display: Sora | Body: Inter | Data/code: JetBrains Mono
=================================================================== */

:root {
  /* Color */
  --color-bg: #FAFAFC;
  --color-bg-alt: #F3F3FB;
  --color-surface: #FFFFFF;
  --color-ink: #11131F;
  --color-ink-soft: #4B4F63;
  --color-muted: #767B91;
  --color-border: #E6E6F0;

  --color-primary: #4F46E5;
  --color-primary-dark: #3D34C9;
  --color-primary-light: #EEF0FF;
  --color-coral: #F2675A;
  --color-coral-dark: #D94F42;
  --color-coral-light: #FFF0EE;

  --gradient-hero: radial-gradient(circle at 20% 20%, rgba(79,70,229,0.16), transparent 55%),
                    radial-gradient(circle at 85% 15%, rgba(242,103,90,0.14), transparent 50%),
                    linear-gradient(180deg, #FAFAFC 0%, #F3F3FB 100%);
  --gradient-cta: linear-gradient(135deg, #4F46E5 0%, #6D5CF5 45%, #8B6CF7 100%);
  --gradient-brand-text: linear-gradient(120deg, #4F46E5, #8B6CF7 60%, #F2675A);

  /* Type */
  --font-display: 'Sora', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(17, 19, 31, 0.05);
  --shadow-md: 0 8px 24px rgba(17, 19, 31, 0.08);
  --shadow-lg: 0 20px 50px rgba(17, 19, 31, 0.12);
  --shadow-glow: 0 12px 40px rgba(79, 70, 229, 0.25);

  /* Radius */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.18s var(--ease);
  --transition-base: 0.3s var(--ease);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; color: var(--color-ink); }
p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
img, svg { display: block; max-width: 100%; }

.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;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 6px;
}

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

/* ===================== LAYOUT HELPERS ===================== */
.section { padding: 96px 24px; }
.section__inner { max-width: 1180px; margin: 0 auto; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.eyebrow--center { display: flex; width: fit-content; margin-left: auto; margin-right: auto; }

.section__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto 16px;
  letter-spacing: -0.01em;
}
.section__title--left { text-align: left; margin: 0 0 16px; max-width: none; }

.section__subtitle {
  text-align: center;
  color: var(--color-muted);
  font-size: 17px;
  max-width: 540px;
  margin: 0 auto 56px;
  line-height: 1.6;
}
.section__subtitle--left { text-align: left; margin: 0 0 32px; max-width: 480px; }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-ink);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary); transform: translateY(-1px); box-shadow: var(--shadow-glow); }

.btn--ghost {
  background: transparent;
  color: var(--color-ink-soft);
  border-color: var(--color-border);
}
.btn--ghost:hover { color: var(--color-ink); border-color: var(--color-ink-soft); background: var(--color-bg-alt); }

.btn--ghost-dark {
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn--ghost-dark:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

.btn--cta {
  background: var(--gradient-cta);
  color: #fff;
  padding: 14px 26px;
  font-size: 16px;
  box-shadow: var(--shadow-glow);
}
.btn--cta:hover { transform: translateY(-2px); box-shadow: 0 16px 48px rgba(79, 70, 229, 0.35); }
.btn--cta:active { transform: translateY(0); }

.btn--copy {
  background: var(--color-ink);
  color: #fff;
  padding: 8px 16px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}
.btn--copy:hover { background: var(--color-primary); }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  padding: 88px 24px 64px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  opacity: 0.6;
}
.hero__glow--one {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(79,70,229,0.35), transparent 70%);
  top: -180px; left: -140px;
}
.hero__glow--two {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(242,103,90,0.3), transparent 70%);
  bottom: -160px; right: -120px;
}

.hero__inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.hero__title {
  font-size: clamp(36px, 6vw, 60px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.hero__title-accent {
  background: var(--gradient-brand-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle {
  margin: 22px auto 0;
  max-width: 540px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.hero__trust {
  margin-top: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13.5px;
  color: var(--color-muted);
}
.hero__trust .dot { opacity: 0.6; }

/* ===================== SHORTENER CARD ===================== */
.shortener-card {
  position: relative;
  margin: 44px auto 0;
  max-width: 640px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: left;
  animation: rise 0.7s var(--ease) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.field { position: relative; }

.field__icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
}

.field__input {
  width: 100%;
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.field__input::placeholder { color: var(--color-muted); }
.field__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
}

.field__input--lg {
  padding: 17px 18px 17px 48px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

.shortener-card__options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.option-toggle {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 13px 16px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.option-toggle:has(.switch:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.option-toggle--password:has(.switch:checked) {
  border-color: var(--color-coral);
  background: var(--color-coral-light);
}

.option-toggle__label {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  flex-shrink: 0;
}
.option-toggle__icon { color: var(--color-primary); flex-shrink: 0; }
.option-toggle--password .option-toggle__icon { color: var(--color-coral); }

.option-toggle__field {
  flex: 1;
  min-width: 140px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 13.5px;
  background: var(--color-surface);
  color: var(--color-ink);
  transition: opacity var(--transition-fast), border-color var(--transition-fast);
}
.option-toggle__field:disabled {
  opacity: 0.45;
  background: var(--color-bg-alt);
  cursor: not-allowed;
}
.option-toggle__field:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Switch */
.switch {
  appearance: none;
  -webkit-appearance: none;
  margin: 0 0 0 auto;
  width: 40px;
  height: 23px;
  border-radius: var(--radius-pill);
  background: #D8D9E6;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}
.switch::before {
  content: "";
  position: absolute;
  top: 2.5px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.25);
  transition: transform var(--transition-fast);
}
.switch:checked { background: var(--color-primary); }
.option-toggle--password .switch:checked { background: var(--color-coral); }
.switch:checked::before { transform: translateX(17px); }

.shortener-card__submit {
  width: 100%;
  margin-top: 20px;
  padding: 15px 22px;
}

.result-banner {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: #F0FBF4;
  border: 1.5px solid #BCEBC9;
  animation: rise 0.4s var(--ease) both;
}
.result-banner__label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: #1F8A4C;
  margin-bottom: 8px;
}
.result-banner__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.result-banner__url {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--color-ink);
  word-break: break-all;
}

/* ===================== FEATURES ===================== */
.features { background: var(--color-bg); }

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  padding: 28px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(79, 70, 229, 0.25);
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  margin-bottom: 18px;
}
.feature-card__icon--indigo { background: var(--color-primary-light); color: var(--color-primary); }
.feature-card__icon--coral { background: var(--color-coral-light); color: var(--color-coral-dark); }

.feature-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card__text {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--color-muted);
}

/* ===================== SECURITY ===================== */
.security { background: var(--color-bg-alt); }

.security__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.security-card {
  position: relative;
  padding: 32px 26px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}
.security-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.security-card__visual {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  margin-bottom: 20px;
}
.security-card__visual--password { background: var(--color-coral-light); color: var(--color-coral-dark); }
.security-card__visual--onetime { background: var(--color-primary-light); color: var(--color-primary); }
.security-card__visual--expiry { background: #FFF6E0; color: #B07B00; }

.security-card__title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}
.security-card__text {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--color-muted);
}

/* ===================== ANALYTICS PREVIEW ===================== */
.analytics-preview { background: var(--color-bg); }

.analytics-preview__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.analytics-preview__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0 28px;
}
.analytics-preview__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--color-ink-soft);
}
.analytics-preview__list svg { color: var(--color-primary); flex-shrink: 0; }

.dash-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.dash-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.dash-card__title { font-weight: 700; font-size: 15.5px; }
.dash-card__badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 10px;
  border-radius: var(--radius-pill);
}

.dash-card__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.dash-stat {
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 12px;
}
.dash-stat__value {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-ink);
}
.dash-stat__label {
  display: block;
  font-size: 11.5px;
  color: var(--color-muted);
  margin-top: 2px;
}

.dash-card__chart { margin-bottom: 16px; }

.dash-card__footer {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}
.dash-card__row {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  color: var(--color-ink-soft);
}
.dash-card__row span:last-child { font-weight: 600; color: var(--color-ink); }

/* ===================== CTA ===================== */
.cta {
  margin: 0 24px 96px;
  padding: 72px 32px;
  border-radius: var(--radius-lg);
  background: var(--gradient-cta);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 0%, rgba(255,255,255,0.18), transparent 55%);
}

.cta__inner { position: relative; max-width: 620px; margin: 0 auto; }

.cta__title {
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.cta__subtitle {
  margin-top: 14px;
  font-size: 16px;
  color: rgba(255,255,255,0.85);
}
.cta__actions {
  margin-top: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cta .btn--cta {
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 12px 32px rgba(0,0,0,0.18);
}
.cta .btn--cta:hover { box-shadow: 0 16px 40px rgba(0,0,0,0.25); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .security__grid { grid-template-columns: 1fr; }
  .analytics-preview__inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 640px) {
  .section { padding: 64px 18px; }
  .hero { padding: 56px 18px 48px; }
  .shortener-card { padding: 20px; }
  .shortener-card__options { gap: 10px; }
  .option-toggle { padding: 12px; }
  .features__grid { grid-template-columns: 1fr; }
  .cta { margin: 0 14px 64px; padding: 48px 22px; }
  .dash-card__stats { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .hero__trust { flex-direction: column; gap: 4px; }
  .hero__trust .dot { display: none; }
}