/* DialogDrive marketing site - directional refresh */

:root {
  --bg: #0c1016;
  --ink: #e8ecf2;
  --muted: #a6b0c0;
  --accent: #6aa8ff;
  --surface: color-mix(in lab, var(--ink) 6%, transparent);
  --surface-strong: color-mix(in lab, var(--ink) 12%, transparent);
  --border: color-mix(in lab, var(--ink) 10%, transparent);
  --border-soft: color-mix(in lab, var(--ink) 4%, transparent);
  --highlight: rgba(255, 255, 255, 0.08);
  --radius-sm: 6px;
  --radius-lg: 12px;
  --shadow-1: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-press: inset 0 1px 0 rgba(255, 255, 255, 0.08), inset 0 -1px 0 rgba(0, 0, 0, 0.35);
  --font-sans: "Inter", "Geist Variable", "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --max-width: 1120px;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --header-height: 72px;
  --transition: 200ms ease;
  --color-bg-page: var(--bg);
  --color-bg-surface: var(--surface);
  --color-text: var(--ink);
  --color-text-mid: var(--muted);
  --color-text-muted: color-mix(in lab, var(--muted) 80%, transparent);
  --color-border: var(--border);
  --color-border-light: var(--border-soft);
  color-scheme: dark;
  --scene-base: #0b1016;
  --scene-l1: rgba(70, 90, 140, 0.12);
  --scene-l2: rgba(90, 120, 200, 0.1);
  --scene-l3: rgba(255, 255, 255, 0.06);
  --scene-vignette: rgba(0, 0, 0, 0.35);
  --noise-opacity: 0.06;
}

[data-theme="light"] {
  --bg: #f4f6fb;
  --ink: #0c121a;
  --muted: #4c5564;
  --accent: #3569ff;
  --surface: rgba(12, 18, 26, 0.04);
  --surface-strong: rgba(12, 18, 26, 0.08);
  --border: rgba(12, 18, 26, 0.16);
  --border-soft: rgba(12, 18, 26, 0.08);
  --highlight: rgba(255, 255, 255, 0.7);
  --shadow-1: 0 6px 18px rgba(12, 18, 26, 0.12);
  --shadow-press: inset 0 1px 0 rgba(255, 255, 255, 0.85), inset 0 -1px 0 rgba(12, 18, 26, 0.12);
  --color-text-muted: color-mix(in srgb, var(--muted) 85%, transparent);
  color-scheme: light;
  --scene-base: #f3f5fc;
  --scene-l1: rgba(90, 122, 235, 0.16);
  --scene-l2: rgba(52, 94, 224, 0.08);
  --scene-l3: rgba(255, 255, 255, 0.82);
  --scene-vignette: rgba(120, 130, 160, 0.18);
  --noise-opacity: 0.035;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  font-feature-settings: "ss01","cv01","tnum";
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  position: relative;
  z-index: 1;
}

::selection {
  background: color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--ink);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

p,
li {
  color: var(--color-text-muted);
}

strong {
  color: var(--ink);
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  margin: 0 0 var(--space-3);
  line-height: 1.15;
  font-weight: 650;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(3rem, 6vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
}

h3 {
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  letter-spacing: -0.01em;
}

h4 {
  font-size: var(--text-lg);
}

ul {
  padding-left: 1.1rem;
  margin: var(--space-3) 0;
  display: grid;
  gap: var(--space-2);
}

li {
  padding-left: 0.2rem;
}

code,
kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
  background: var(--surface);
  color: var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.35rem;
  border: 1px solid var(--border);
}

kbd {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.wrap,
.container {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-6));
}

section {
  padding-block: var(--space-20);
  position: relative;
  z-index: 1;
}

.hero {
  padding-block: clamp(var(--space-24), 18vh, 9rem);
  position: relative;
  overflow: hidden;
}

.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: clamp(var(--space-8), 6vw, var(--space-12));
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__copy {
  max-width: 32rem;
}

.hero__kicker {
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.hero__headline {
  margin-bottom: var(--space-4);
  font-size: clamp(2.5rem, 4.8vw, 3.35rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
  font-stretch: 92%;
  font-variation-settings: "wght" 470, "wdth" 92;
}

.hero__headline-prefix {
  white-space: nowrap;
}

.hero__headline-rotator {
  --rotator-min-width: auto;
  display: inline-flex;
  align-items: baseline;
  position: relative;
  min-width: var(--rotator-min-width);
  white-space: nowrap;
}

.hero__headline-text {
  display: inline-block;
}

.hero__headline-caret {
  display: inline-block;
  width: 0.08em;
  height: 0.94em;
  margin-left: 0.16em;
  background-color: currentColor;
  opacity: 1;
  transform: translateY(0.08em);
}

.hero__headline-rotator.is-idle .hero__headline-caret {
  animation: heroCaretBlink 1.08s steps(1, end) infinite;
}

@keyframes heroCaretBlink {
  0%,
  45% {
    opacity: 1;
  }
  55%,
  100% {
    opacity: 0;
  }
}

.hero__lede {
  font-size: clamp(1.25rem, 1.7vw, 1.5rem);
  color: var(--ink);
  margin-bottom: var(--space-3);
}

.hero__body {
  margin-bottom: var(--space-6);
  max-width: 30rem;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__footnote {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.hero__media {
  justify-self: stretch;
}

.preview {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: color-mix(in srgb, rgba(8, 14, 22, 0.65) 68%, transparent);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
  overflow: hidden;
  position: relative;
}

.preview::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.3;
}

.preview img {
  border-radius: inherit;
  width: 100%;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.button-primary {
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 74%, rgba(255, 255, 255, 0.16)), color-mix(in srgb, var(--accent) 52%, rgba(0, 0, 0, 0.3)));
  color: #061018;
  border-color: color-mix(in srgb, var(--accent) 48%, rgba(0, 0, 0, 0.35));
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28);
}

.button-primary:hover {
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 80%, rgba(255, 255, 255, 0.2)), color-mix(in srgb, var(--accent) 60%, rgba(0, 0, 0, 0.3)));
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.32);
}

.button-primary:active {
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 66%, rgba(0, 0, 0, 0.4)), color-mix(in srgb, var(--accent) 48%, rgba(0, 0, 0, 0.6)));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 4px 12px rgba(0, 0, 0, 0.35);
}

.button-primary:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 70%, #ffffff 10%);
  outline-offset: 2px;
}

[data-theme="light"] .button-primary {
  color: #f7f9ff;
}

.button--lg {
  padding: 0.95rem 1.9rem;
  font-size: var(--text-lg);
  letter-spacing: 0.01em;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3);
}

.button--header {
  padding: 0.6rem 1.1rem;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.26);
}

.strip {
  padding-block: var(--space-16);
  border-top: 1px solid var(--border-soft);
}

.strip__inner {
  display: grid;
  gap: var(--space-6);
}

.strip__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.strip__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

.strip__item {
  position: relative;
  padding-left: var(--space-5);
  margin-left: var(--space-2);
}

.strip__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
  opacity: 0.8;
}

.strip__item h3 {
  margin-bottom: var(--space-2);
  color: var(--ink);
}

.demo {
  padding-block: var(--space-20);
}

.demo-inner {
  display: grid;
  gap: var(--space-12);
}

.demo-header {
  max-width: 30rem;
  margin-bottom: var(--space-10);
}

.demo-title {
  margin-bottom: var(--space-3);
}

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

.tour-steps {
  display: grid;
  gap: var(--space-10);
}

.tour-step {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}

.tour-step--right .tour-media-wrapper {
  order: 2;
}

.tour-step--right .tour-caption {
  order: 1;
}

.tour-media-wrapper {
  display: grid;
  gap: var(--space-3);
}

.tour-label {
  justify-self: start;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

.tour-media {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-strong);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.tour-video {
  width: 100%;
  height: auto;
  display: block;
}

.tour-caption {
  position: relative;
  padding-top: var(--space-4);
}

.tour-caption::before {
  content: "";
  display: block;
  width: 48px;
  height: 1px;
  background: var(--border);
  margin-bottom: var(--space-3);
  opacity: 0.85;
}

.tour-caption__title {
  margin-bottom: var(--space-2);
}

.tour-caption__text {
  margin: 0;
}

.footer {
  border-top: 1px solid var(--border-soft);
  padding-block: var(--space-8);
  background: color-mix(in srgb, var(--surface) 80%, rgba(0, 0, 0, 0.15));
  position: relative;
  z-index: 1;
}

.footer--simple {
  font-size: var(--text-sm);
}

.footer__simple {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
}

.footer__simple a {
  color: inherit;
}

.footer__simple a:hover {
  color: var(--accent);
}

.hero-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 800px at 20% 10%, var(--scene-l1), transparent 60%),
    radial-gradient(1000px 700px at 80% 70%, var(--scene-l2), transparent 60%),
    radial-gradient(900px 600px at 50% 120%, var(--scene-l3), transparent 60%),
    var(--scene-base);
}

.hero-bg::before,
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg::before {
  background: radial-gradient(1200px 800px at 50% 40%, transparent 60%, var(--scene-vignette));
}

.hero-bg::after {
  opacity: var(--noise-opacity);
  mix-blend-mode: soft-light;
  background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAF0lEQVQImWNgoBpgZGJgYGBg+P///wMAgHcDAm8GDagAAAAASUVORK5CYII=');
  background-size: 200px 200px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition), -webkit-backdrop-filter var(--transition);
}

.header.scrolled {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  border-color: rgba(255, 255, 255, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding-block: var(--space-4);
}

.header__brand {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-size: var(--text-lg);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: nowrap;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header__nav a {
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 0.25rem;
}

.header__nav a.is-active,
.header__nav a[aria-current="page"] {
  color: var(--ink);
}

.header__nav a.is-active::after,
.header__nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 100%;
  background: var(--accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 75%, rgba(255, 255, 255, 0.05));
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.theme-toggle:hover {
  background: color-mix(in srgb, var(--surface) 65%, rgba(255, 255, 255, 0.12));
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--ink);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
}

.theme-toggle:active {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 3px 10px rgba(0, 0, 0, 0.28);
}

.theme-toggle:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 60%, #ffffff 12%);
  outline-offset: 2px;
}

.theme-toggle__label {
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: none;
  font-weight: 600;
}

[data-theme="light"] .theme-toggle {
  color: var(--ink);
  background: color-mix(in srgb, rgba(255, 255, 255, 0.82) 70%, var(--surface) 30%);
  border-color: rgba(12, 18, 26, 0.16);
}

.page-hero {
  padding-block: var(--space-20) var(--space-10);
}

.page-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.page-hero__subtitle {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 44rem;
}

.content-page {
  padding-block: var(--space-16) var(--space-24);
}

.content-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-strong);
  padding: clamp(var(--space-6), 5vw, var(--space-8));
  box-shadow: inset 0 1px 0 var(--highlight);
  display: grid;
  gap: var(--space-8);
}

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

.contact-highlight {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
}

.contact-options {
  display: grid;
  gap: var(--space-4);
}

.contact-option {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  padding: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.response-info {
  border-left: 1px solid var(--border);
  padding-left: var(--space-4);
}

.faq-section {
  display: grid;
  gap: var(--space-4);
}

.faq-item {
  border-top: 1px solid var(--border-soft);
  padding-top: var(--space-4);
}

.troubleshooting-section {
  display: grid;
  gap: var(--space-4);
}

.troubleshooting-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
}

.troubleshooting-table th,
.troubleshooting-table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}

.troubleshooting-table th {
  font-weight: 600;
  color: var(--ink);
  background: color-mix(in srgb, rgba(232, 236, 242, 0.12) 60%, transparent);
}

.troubleshooting-table tr:last-child td {
  border-bottom: none;
}

.security-section {
  display: grid;
  gap: var(--space-3);
}

.cta-box {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: var(--space-6);
  background: color-mix(in srgb, rgba(8, 14, 22, 0.45) 60%, transparent);
  display: grid;
  gap: var(--space-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 88%, #ffffff 12%), var(--accent));
  color: #0b121a;
  border-color: color-mix(in srgb, var(--accent) 60%, rgba(0, 0, 0, 0.4));
  box-shadow: var(--shadow-1);
}

.btn-primary:hover {
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-press);
}

.btn-outline {
  border-color: var(--border);
  background: transparent;
  color: var(--ink);
}

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

.last-updated {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.policy-section {
  border-top: 1px solid var(--border-soft);
  padding-top: var(--space-4);
  display: grid;
  gap: var(--space-3);
}

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

  .hero__media {
    max-width: 480px;
  }

  .tour-step {
    grid-template-columns: minmax(0, 1fr);
  }

  .tour-step--right .tour-media-wrapper,
  .tour-step--right .tour-caption {
    order: initial;
  }

  .strip__grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

@media (max-width: 720px) {
  section {
    padding-block: var(--space-16);
  }

  .header__inner {
    flex-wrap: wrap;
  }

  .header__nav {
    width: 100%;
    justify-content: space-between;
    gap: var(--space-3);
  }

  .header__actions {
    width: 100%;
    justify-content: flex-end;
  }

  .hero__actions {
    align-items: flex-start;
  }

  .strip__grid {
    gap: var(--space-6);
  }

  .strip__item {
    margin-left: 0;
    padding-left: 0;
    padding-top: var(--space-4);
  }

  .strip__item::before {
    width: 100%;
    height: 1px;
    top: 0;
    left: 0;
    bottom: auto;
  }

  .strip__item:first-child::before {
    opacity: 0;
  }

  .footer__simple {
    gap: var(--space-1);
  }
  .contact-option {
    flex-direction: column;
    align-items: flex-start;
  }
}