/* Self-hosted fonts */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/inter-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/inter-500.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/inter-600.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/inter-700.woff2') format('woff2');
}

@font-face {
  font-family: 'Satisfy';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/satisfy-400.woff2') format('woff2');
}

:root {
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-background: #f4f7fb;
  --color-surface: #ffffff;
  --color-primary: #8cb9ff;
  --color-primary-dark: #b5d3ff;
  --color-text: #0f172a;
  --color-muted: #4a5568;
  --color-border: rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 20px 40px rgba(15, 23, 42, 0.12);
  --gradient-hero: linear-gradient(135deg, rgba(31, 111, 235, 0.12), rgba(56, 189, 248, 0.08));
  --gradient-download: linear-gradient(135deg, rgba(31, 111, 235, 0.15), rgba(59, 130, 246, 0.2));
  --color-footer-background: var(--color-surface);
  --color-footer-text: var(--color-text);
  --color-footer-heading: var(--color-text);
  --color-footer-link: var(--color-muted);
  --color-footer-link-hover: var(--color-primary);
  --color-footer-brand: var(--color-primary);
  --color-footer-meta: var(--color-muted);
  --color-footer-border: var(--color-border);
  --max-width: 1100px;
  --section-padding-top: clamp(4rem, 6vw, 5rem);
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
}

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

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

a:hover,
a:focus {
  color: var(--color-primary);
}

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

.container {
  width: min(100% - 3rem, var(--max-width));
  margin-inline: auto;
}

:where(section, footer) {
  scroll-margin-top: 5.0rem;
}

.site-header {
  position: sticky;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary-dark);
  text-transform: none;
  letter-spacing: 0;
}

.brand-logo {
  width: 2.25rem;
  height: auto;
  display: block;
  align-self: center;
  transform: translateY(-0.2rem);
}

.brand-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  white-space: nowrap;
}

.brand-name {
  font-family: 'Satisfy';
  font-size: 1.75rem;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  line-height: 1;
}

.brand-tagline {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  position: relative;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-weight: 500;
  color: var(--color-muted);
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--color-primary-dark);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 0.45rem;
  color: var(--color-text);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

@media (hover: hover) {
  .nav-toggle:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background-color: rgba(140, 185, 255, 0.12);
  }
}

.nav-toggle-active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background-color: rgba(140, 185, 255, 0.12);
}

.nav-toggle:focus-visible {
  color: var(--color-primary);
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(140, 185, 255, 0.25);
}

.nav-toggle-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.nav-toggle-line {
  stroke: currentColor;
  stroke-width: 2.25;
  stroke-linecap: round;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle-line--top {
  transform-origin: 12px 7px;
}

.nav-toggle-line--middle {
  transform-origin: 12px 12px;
}

.nav-toggle-line--bottom {
  transform-origin: 12px 17px;
}

.nav-toggle[aria-expanded='true'] .nav-toggle-line--top {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle-line--middle {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] .nav-toggle-line--bottom {
  transform: translateY(-5px) rotate(-45deg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 10px 20px rgba(31, 111, 235, 0.25);
}

.button-primary:hover,
.button-primary:focus {
  color:  #fff;
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(31, 111, 235, 0.28);
}

.button-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: 0 10px 20px rgba(31, 111, 235, 0.15);
}

.button-primary:disabled:hover {
  transform: none;
  box-shadow: 0 10px 20px rgba(31, 111, 235, 0.15);
}

/* Spinner animation */
.button-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spinner-rotate 0.6s linear infinite;
}

@keyframes spinner-rotate {
  to { transform: rotate(360deg); }
}

.button-secondary {
  background: transparent;
  border-color: rgba(15, 23, 42, 0.15);
  color: var(--color-text);
}

.button-secondary:hover,
.button-secondary:focus {
  border-color: rgba(15, 23, 42, 0.35);
  transform: translateY(-1px);
}

.hero {
  padding: var(--section-padding-top) 0 4rem;
  background: var(--gradient-hero);
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 3rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-text h1 {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.hero-text p {
  margin: 0 0 1rem;
  color: var(--color-muted);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
}

.hero-text .eyebrow {
  display: inline-block;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-media {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about {
  padding: var(--section-padding-top) 0 4rem;
  background: var(--color-surface);
}

.about-layout {
  display: grid;
  gap: 2rem;
}

.about-copy h2 {
  font-size: 2rem;
  margin: 0 0 1.5rem;
}

.about-copy p {
  margin: 0 0 1.25rem;
  color: var(--color-muted);
  max-width: 60ch;
}

.values {
  padding: var(--section-padding-top) 0 4rem;
}

.section-heading {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section-heading h2 {
  margin: 0 0 0.75rem;
  font-size: 2rem;
}

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

.values-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.values-list li {
  padding: 1.5rem;
  border-radius: 20px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  font-size: 1rem;
  color: var(--color-muted);
  line-height: 1.7;
}

.download {
  padding: var(--section-padding-top) 0 4.5rem;
}

.download-card {
  background: var(--gradient-download);
  border-radius: 32px;
  padding: clamp(2.5rem, 4vw, 3.5rem);
  display: grid;
  justify-items: start;
  gap: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.download-copy h2 {
  margin: 0;
  font-size: 2rem;
}

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

.app-store-link {
  display: inline-block;
  margin-top: 1.5rem;
}

.app-store-link img {
  width: 180px;
  filter: drop-shadow(0 10px 20px rgba(15, 23, 42, 0.18));
}

.contact-hero {
  padding: var(--section-padding-top) 0 4rem;
  background: var(--gradient-hero);
}

.contact-hero-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.contact-hero-copy h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1.15;
}

.contact-hero-copy p {
  margin: 0 0 1.25rem;
  color: var(--color-muted);
  max-width: 58ch;
}

.contact-highlight {
  background: var(--color-surface);
  border-radius: 24px;
  padding: clamp(2rem, 4vw, 2.75rem);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  display: grid;
  gap: 1.5rem;
}

.contact-highlight h2 {
  margin: 0;
  font-size: 1.5rem;
}

.contact-highlight-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.contact-highlight-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.contact-highlight-list p {
  margin: 0;
  color: var(--color-muted);
}

.contact-details {
  padding: var(--section-padding-top) 0 4rem;
}

.contact-details-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.contact-card {
  background: var(--color-surface);
  border-radius: 24px;
  padding: clamp(2rem, 3.5vw, 2.75rem);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  display: grid;
  gap: 1.5rem;
}

.contact-card h2 {
  margin: 0;
  font-size: 1.5rem;
}

.contact-card-description {
  margin: 0;
  color: var(--color-muted);
}

.contact-card-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.contact-card-list div {
  display: grid;
  gap: 0.35rem;
}

.contact-card-list dt {
  font-weight: 600;
  color: var(--color-text);
}

.contact-card-list dd {
  margin: 0;
  color: var(--color-muted);
}

.contact-card-list a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-card-list a:hover,
.contact-card-list a:focus {
  color: var(--color-primary-dark);
}

.contact-card-inline {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.contact-card-inline h3 {
  margin: 0 0 0.75rem 0;
  font-size: 1.5rem;
}

.contact-card-inline .contact-card-description {
  margin: 0 0 1.5rem 0;
  color: var(--color-muted);
}

.contact-card-inline .contact-card-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.contact-help {
  padding: var(--section-padding-top) 0 4.5rem;
}

.contact-form {
  padding: var(--section-padding-top) 0 4rem;
}

.contact-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  align-items: start;
}

.contact-form-copy {
  display: grid;
  gap: 1.25rem;
}

.contact-form-copy h2 {
  margin: 0;
  font-size: 2rem;
}

.contact-form-copy p {
  margin: 0;
  color: var(--color-muted);
}

.contact-form-guidelines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.contact-form-guidelines li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--color-muted);
}

.contact-form-guidelines li::before {
  content: '';
  position: absolute;
  top: 0.55em;
  left: 0.35rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--color-primary);
}

.contact-form-card {
  background: var(--color-surface);
  border-radius: 24px;
  padding: clamp(2rem, 3.5vw, 2.75rem);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  display: grid;
  gap: 1.5rem;
}

.contact-form-fields {
  display: grid;
  gap: 1.25rem;
}

.contact-form-row {
  display: grid;
  gap: 1rem;
}

.contact-form-row--split {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-form-field {
  display: grid;
  gap: 0.5rem;
}

.contact-form-field label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.contact-form-field input,
.contact-form-field select,
.contact-form-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form-field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230f172a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

.contact-form-field textarea {
  min-height: 9rem;
  resize: vertical;
}

.contact-form-field input:focus,
.contact-form-field select:focus,
.contact-form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(140, 185, 255, 0.25);
}

.field-required {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-form-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.contact-form-footnote {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.contact-form-footnote a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-form-footnote a:hover,
.contact-form-footnote a:focus {
  color: var(--color-primary-dark);
}

.contact-help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.contact-help-card {
  background: var(--color-surface);
  border-radius: 24px;
  padding: clamp(2rem, 3.5vw, 2.75rem);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  display: grid;
  gap: 1.25rem;
}

.contact-help-card h2 {
  margin: 0;
  font-size: 1.4rem;
}

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

.contact-resource-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-resource-links a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-resource-links a:hover,
.contact-resource-links a:focus {
  color: var(--color-primary-dark);
}

.site-footer {
  background: var(--color-footer-background);
  color: var(--color-footer-text);
  padding: 3rem 0 2.5rem;
  border-top: 1px solid var(--color-footer-border);
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
}

.footer-links h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: var(--color-footer-heading);
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--color-footer-link);
  font-size: 0.95rem;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-footer-link-hover);
}

.footer-meta {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-footer-meta);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #0b1220;
    --color-surface: #111c2f;
    --color-primary: #8cb9ff;
    --color-primary-dark: #b5d3ff;
    --color-text: #e2e8f0;
    --color-muted: #94a3b8;
    --color-border: rgba(148, 163, 184, 0.25);
    --shadow-soft: 0 24px 50px rgba(4, 10, 24, 0.55);
    --gradient-hero: linear-gradient(135deg, rgba(11, 21, 40, 0.85), rgba(59, 130, 246, 0.25));
    --gradient-download: linear-gradient(135deg, rgba(37, 99, 235, 0.4), rgba(125, 211, 252, 0.28));
    --color-footer-background: var(--color-surface);
    --color-footer-text: var(--color-text);
    --color-footer-heading: var(--color-text);
    --color-footer-link: var(--color-muted);
    --color-footer-link-hover: var(--color-primary);
    --color-footer-brand: var(--color-primary);
    --color-footer-meta: var(--color-muted);
    --color-footer-border: var(--color-border);
  }

  body {
    color-scheme: dark;
  }

  .site-header {
    background: rgba(8, 14, 26, 0.85);
    border-bottom-color: var(--color-border);
  }

  .button-primary {
    box-shadow: 0 12px 28px rgba(140, 185, 255, 0.35);
  }

  .button-primary:hover,
  .button-primary:focus {
    color: #fff;
    box-shadow: 0 16px 36px rgba(140, 185, 255, 0.42);
  }

  .button-secondary {
    border-color: rgba(148, 163, 184, 0.4);
  }

  .button-secondary:hover,
  .button-secondary:focus {
    border-color: rgba(148, 163, 184, 0.6);
  }

  .app-store-link img {
    filter: drop-shadow(0 12px 24px rgba(2, 6, 23, 0.55));
  }
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    order: -1;
  }

  .site-header .container {
    flex-wrap: wrap;
  }

  .contact-hero-grid {
    grid-template-columns: 1fr;
  }

  .contact-form-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .contact-form-copy {
    display: contents;
  }

  .contact-form-card {
    order: 2;
  }

  .contact-card-inline {
    order: 3;
    margin-top: 0rem;
    padding-top: 1.5rem;
  }

  .contact-help {
    margin-top: 0rem;
    padding-top: 0rem;
  }

  .contact-details-grid,
  .contact-help-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 2.2rem, var(--max-width));
  }

  :where(section, footer) {
    scroll-margin-top: 4.6rem;
  }

  .brand-copy {
    gap: 0.75rem;
  }

  .site-nav ul {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    background: var(--color-surface);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
    padding: 1rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }

  .site-nav ul[aria-expanded='true'],
  .site-nav ul.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .button {
    font-size: 0.9rem;
  }

  .download-card {
    justify-items: stretch;
  }

  .app-store-link img {
    width: 160px;
  }

  .contact-highlight,
  .contact-card,
  .contact-help-card {
    padding: 2rem;
  }

  .contact-form-row--split {
    grid-template-columns: 1fr;
  }

  .contact-form-guidelines li::before {
    left: 0;
  }

  .contact-form-card {
    padding: 2rem;
  }
}

@media (max-width: 640px) {
  .brand {
    align-items: center;
  }

  .brand-copy {
    position: relative;
    gap: 0.5rem;
    align-items: center;
  }

  .brand-tagline {
    position: absolute;
    top: 100%;
    left: 0;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    margin-top: 0rem;
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  .site-header .button {
    display: none;
  }

  .hero {
    padding: var(--section-padding-top) 0 3rem;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .download-card {
    padding: 2rem;
  }
}