/* ==========================================================================
   Design tokens
   ========================================================================== */

:root {
  /* Color — drawn from the Swift SOAP app's own green palette for brand
     consistency, adapted for a marketing page (higher-contrast body copy,
     brighter backgrounds than the app's UI chrome). */
  --color-primary: #1b4332;
  --color-primary-dark: #0f2a1c;
  --color-accent: #2d6a4f;
  --color-accent-light: #95d5b2;

  --color-bg: #ffffff;
  --color-bg-alt: #f4f7f3;
  --color-bg-dark: #122016;

  --color-text: #16241c;
  --color-text-muted: #52685c;
  --color-text-on-dark: #f0f7f1;
  --color-text-on-dark-muted: #a8c2b1;

  --color-border: #dce5de;

  /* Type */
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;

  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: 1.0625rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.75rem;

  /* Space */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Shape */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --container-width: 1120px;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
}

body,
h1,
h2,
h3,
p,
figure {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ==========================================================================
   Base
   ========================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section {
  padding-block: var(--space-2xl);
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__header {
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.section__text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Button
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.85em 1.6em;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-text-on-dark);
}

.btn--primary:hover {
  background: var(--color-primary);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-on-dark);
  border: 1px solid rgb(255 255 255 / 35%);
}

.btn--secondary:hover {
  border-color: rgb(255 255 255 / 70%);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-accent);
}

.btn--large {
  padding: 1em 2em;
  font-size: var(--text-base);
}

/* ==========================================================================
   Site header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgb(255 255 255 / 90%);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.site-header__logo-mark {
  display: flex;
  color: var(--color-accent);
}

.site-header__logo-mark svg {
  width: 22px;
  height: 22px;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.site-header__nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.site-header__nav-link:hover {
  color: var(--color-primary);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.site-header__actions .btn--secondary {
  color: var(--color-primary);
  border-color: var(--color-border);
}

.site-header__actions .btn--secondary:hover {
  border-color: var(--color-primary);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  background: linear-gradient(160deg, var(--color-primary) 0%, #0a2417 100%);
  color: var(--color-text-on-dark);
  padding-block: var(--space-2xl);
  overflow: hidden;
}

.hero__inner {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.4em 0.9em;
  border-radius: 999px;
  background: rgb(255 255 255 / 10%);
  border: 1px solid rgb(255 255 255 / 15%);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent-light);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.hero__title-accent {
  color: var(--color-accent-light);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.hero__note {
  font-size: var(--text-xs);
  color: var(--color-text-on-dark-muted);
}

/* ==========================================================================
   Features
   ========================================================================== */

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.feature-card {
  padding: var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.feature-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.feature-card__icon svg {
  width: 22px;
  height: 22px;
}

.feature-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.feature-card__text {
  color: var(--color-text-muted);
}

/* ==========================================================================
   Steps ("how it works")
   ========================================================================== */

.steps__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.step {
  position: relative;
  padding-top: var(--space-lg);
}

.step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
}

.step__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.step__text {
  color: var(--color-text-muted);
}

/* ==========================================================================
   Trust
   ========================================================================== */

.trust__inner {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.trust__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.trust__icon svg {
  width: 28px;
  height: 28px;
}

.trust__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.trust__text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* ==========================================================================
   CTA banner
   ========================================================================== */

.cta {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  margin-inline: var(--space-md);
}

.cta__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.cta__text {
  font-size: var(--text-lg);
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-lg);
}

.cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark-muted);
  padding-block: var(--space-xl) var(--space-lg);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgb(255 255 255 / 10%);
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-xs);
}

.site-footer__brand-mark {
  display: flex;
  color: var(--color-accent-light);
}

.site-footer__brand-mark svg {
  width: 20px;
  height: 20px;
}

.site-footer__tagline {
  max-width: 320px;
  font-size: var(--text-sm);
}

.site-footer__nav {
  display: flex;
  gap: var(--space-lg);
}

.site-footer__nav-link:hover {
  color: var(--color-text-on-dark);
}

.site-footer__bottom {
  padding-top: var(--space-lg);
  font-size: var(--text-xs);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 800px) {
  :root {
    --text-3xl: 2.1rem;
    --text-2xl: 1.6rem;
  }

  .site-header__nav {
    display: none;
  }

  .features__grid,
  .steps__list {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    flex-direction: column;
  }
}