@font-face {
  font-family: "Sora";
  src: url("/fonts/sora-400.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Sora";
  src: url("/fonts/sora-600.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Sora";
  src: url("/fonts/sora-700.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Public Sans";
  src: url("/fonts/public-sans-400.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Public Sans";
  src: url("/fonts/public-sans-600.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Public Sans";
  src: url("/fonts/public-sans-700.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --font-heading: "Sora", sans-serif;
  --font-body: "Public Sans", sans-serif;
  --bg-canvas-top: #eef1f7;
  --bg-canvas-bottom: #f7f8fc;
  --bg-surface: #ffffff;
  --bg-elevated: #f8fafe;
  --text-primary: #1f2635;
  --text-secondary: #536079;
  --text-muted: #78839a;
  --text-on-primary: #f8fbff;
  --border-subtle: #d8deea;
  --border-strong: #a8b4cd;
  --focus-ring: #8dc4ff;
  --action-primary: #3d66cc;
  --action-primary-hover: #3259b8;
  --link-accent: #6a4de0;
  --success: #31a958;
  --warning: #f39a25;
  --error: #ef4b42;
  --success-bg: #edf9f0;
  --warning-bg: #fff8ec;
  --error-bg: #fff0ef;
  --radius-md: 0.875rem;
  --radius-xl: 1.25rem;
  --shadow-card: 0 8px 24px rgb(23 35 58 / 10%);
  --shadow-hover: 0 10px 28px rgb(23 35 58 / 14%);
  --header-bg: rgb(255 255 255 / 88%);
  --backdrop: rgb(18 28 46 / 52%);
  --transition-fast: 120ms;
  --transition-base: 200ms;
  --transition-slow: 320ms;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg-canvas-top: #0e1321;
  --bg-canvas-bottom: #11192b;
  --bg-surface: #171f33;
  --bg-elevated: #1d2740;
  --text-primary: #edf2ff;
  --text-secondary: #b4bfd9;
  --text-muted: #8d99b3;
  --text-on-primary: #f8fbff;
  --border-subtle: #2d3954;
  --border-strong: #4a5878;
  --focus-ring: #5a9fff;
  --action-primary: #4f7fe6;
  --action-primary-hover: #6b95ef;
  --link-accent: #9b84ff;
  --success-bg: rgb(49 169 88 / 14%);
  --warning-bg: rgb(243 154 37 / 14%);
  --error-bg: rgb(239 75 66 / 14%);
  --shadow-card: 0 8px 24px rgb(0 0 0 / 28%);
  --shadow-hover: 0 10px 28px rgb(0 0 0 / 36%);
  --header-bg: rgb(14 19 33 / 88%);
  --backdrop: rgb(4 8 16 / 68%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg-canvas-top: #0e1321;
    --bg-canvas-bottom: #11192b;
    --bg-surface: #171f33;
    --bg-elevated: #1d2740;
    --text-primary: #edf2ff;
    --text-secondary: #b4bfd9;
    --text-muted: #8d99b3;
    --text-on-primary: #f8fbff;
    --border-subtle: #2d3954;
    --border-strong: #4a5878;
    --focus-ring: #5a9fff;
    --action-primary: #4f7fe6;
    --action-primary-hover: #6b95ef;
    --link-accent: #9b84ff;
    --success-bg: rgb(49 169 88 / 14%);
    --warning-bg: rgb(243 154 37 / 14%);
    --error-bg: rgb(239 75 66 / 14%);
    --shadow-card: 0 8px 24px rgb(0 0 0 / 28%);
    --shadow-hover: 0 10px 28px rgb(0 0 0 / 36%);
    --header-bg: rgb(14 19 33 / 88%);
    --backdrop: rgb(4 8 16 / 68%);
  }
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.45;
  color: var(--text-secondary);
  background: linear-gradient(180deg, var(--bg-canvas-top), var(--bg-canvas-bottom));
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: var(--link-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background: var(--action-primary);
  color: var(--text-on-primary);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

.page-shell {
  width: min(1600px, 100%);
  margin: 0 auto;
  padding: 1rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}

@media (max-width: 480px) {
  .page-shell {
    padding: 0.75rem;
    padding-left: max(0.75rem, env(safe-area-inset-left));
    padding-right: max(0.75rem, env(safe-area-inset-right));
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  margin: 0 -1rem 1rem;
  padding: 0.75rem 1rem;
  padding-top: max(0.75rem, env(safe-area-inset-top));
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  transition: box-shadow var(--transition-base) ease;
}

.site-header.is-scrolled {
  box-shadow: 0 4px 18px rgb(23 35 58 / 8%);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1600px, 100%);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-primary);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 0.75rem;
  background: linear-gradient(145deg, var(--action-primary), var(--link-accent));
  box-shadow: var(--shadow-card);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link,
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  background: transparent;
  cursor: pointer;
  transition:
    background var(--transition-fast) ease,
    border-color var(--transition-fast) ease,
    transform var(--transition-fast) ease;
}

.nav-link:hover,
.theme-toggle:hover {
  border-color: var(--border-subtle);
  background: var(--bg-elevated);
}

.nav-link.is-active {
  background: var(--action-primary);
  color: var(--text-on-primary);
}

.theme-toggle {
  font-size: 0.875rem;
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    position: fixed;
    inset: 4.5rem 0.75rem auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    background: var(--bg-surface);
    box-shadow: var(--shadow-card);
  }

  .site-header.nav-open .nav-links {
    display: flex;
  }

  .nav-link,
  .theme-toggle {
    width: 100%;
    justify-content: center;
  }
}

.page-main {
  display: grid;
  gap: 1rem;
}

.kicker {
  margin: 0 0 0.35rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-heading);
  color: var(--text-primary);
}

h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.2rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
}

h2 {
  font-size: 1.15rem;
}

.lead {
  margin: 0.75rem 0 0;
  font-size: 1.05rem;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  transition:
    transform var(--transition-base) ease,
    box-shadow var(--transition-base) ease,
    border-color var(--transition-base) ease;
}

.card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.app-card {
  display: grid;
  gap: 0.75rem;
}

.app-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 1rem;
  background: linear-gradient(145deg, var(--action-primary), var(--link-accent));
}

.app-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-md);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    background var(--transition-fast) ease,
    border-color var(--transition-fast) ease,
    transform var(--transition-fast) ease,
    box-shadow var(--transition-fast) ease,
    opacity var(--transition-fast) ease;
}

.btn-primary {
  border: none;
  background: var(--action-primary);
  color: var(--text-on-primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--action-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.62;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 480px) {
  .app-card-actions,
  .form-actions {
    flex-direction: column;
  }

  .app-card-actions .btn,
  .form-actions .btn {
    width: 100%;
  }
}

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

.contact-intro:not([hidden]) {
  display: grid;
  gap: 0.5rem;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.25rem;
}

.field > span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 44px;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font: inherit;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-muted);
}

.field input:hover,
.field textarea:hover,
.field select:hover {
  border-color: var(--border-strong);
}

.field input:focus,
.field textarea:focus,
.field select:focus,
.btn:focus-visible,
.nav-link:focus-visible,
.theme-toggle:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.helper {
  margin: -0.35rem 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.bot-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.image-upload {
  display: grid;
  gap: 0.5rem;
}

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

.image-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  font-size: 0.875rem;
}

.image-list button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
}

.status-banner {
  margin: 0;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  font-size: 0.875rem;
}

.status-banner[data-tone="success"] {
  border-color: var(--success);
  background: var(--success-bg);
  color: var(--text-primary);
}

.status-banner[data-tone="warning"] {
  border-color: var(--warning);
  background: var(--warning-bg);
  color: var(--text-primary);
}

.status-banner[data-tone="error"] {
  border-color: var(--error);
  background: var(--error-bg);
  color: var(--text-primary);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.contact-backbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.back-button {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  background: var(--bg-surface);
  color: var(--text-primary);
  text-decoration: none;
}

.contact-backbar-title {
  flex: 1;
  text-align: center;
  margin-right: 44px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.error-card:not([hidden]) {
  display: grid;
  gap: 0.75rem;
}

.contact-form-card:not([hidden]) {
  display: grid;
  gap: 1rem;
}

.site-footer {
  margin-top: 2rem;
  padding: 1rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--backdrop);
}

.modal-card {
  position: relative;
  width: min(480px, 100%);
  padding: 1.25rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--bg-surface);
  box-shadow: var(--shadow-hover);
  animation: modal-in var(--transition-slow) ease;
}

.modal-card h2 {
  margin-bottom: 0.5rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1rem;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .card:hover,
  .btn-primary:hover:not(:disabled),
  .btn-outline:hover:not(:disabled) {
    transform: none;
  }
}