/* ============================================
   DIABLO AI — ONBOARDING PORTAL
   Styles for intake landing, thank you, and support pages
   ============================================ */

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e8e8e8;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a1a1a1;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  --color-green: #0d7c3e;
  --color-green-light: #f0f8f0;
  --color-blue: #1a56db;
  --color-blue-light: #f0f4ff;
  --color-red: #dc2626;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
  line-height: 1.6;
}

a {
  color: var(--color-black);
  text-decoration: none;
}

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

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.container--wide {
  max-width: 960px;
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  background-color: var(--color-black);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 1.5px;
}

.nav__link {
  font-size: 14px;
  color: var(--color-gray-400);
  transition: color 0.2s;
}

.nav__link:hover {
  color: var(--color-white);
}

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

.hero {
  background-color: var(--color-black);
  padding: 64px 0 80px;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  background-color: var(--color-gray-800);
  color: var(--color-gray-400);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero__subtitle {
  font-size: 18px;
  color: var(--color-gray-400);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================
   Steps
   ============================================ */

.steps {
  padding: 48px 0;
}

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

.step {
  text-align: center;
  padding: 24px;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-black);
  color: var(--color-white);
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 16px;
}

.step__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: 8px;
}

.step__desc {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.5;
}

.step__time {
  font-size: 13px;
  color: var(--color-gray-400);
  margin-top: 8px;
}

/* ============================================
   Cards
   ============================================ */

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
}

.card--highlight {
  border-color: var(--color-green);
  border-width: 2px;
}

.card__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.card__text {
  font-size: 15px;
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 40px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn--primary:hover {
  background-color: var(--color-gray-800);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-gray-300);
}

.btn--secondary:hover {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-400);
}

.btn--large {
  font-size: 18px;
  padding: 18px 56px;
  border-radius: var(--radius-lg);
}

.btn--green {
  background-color: var(--color-green);
  color: var(--color-white);
}

.btn--green:hover {
  background-color: #0a6b34;
}

/* ============================================
   Sections
   ============================================ */

.section {
  padding: 48px 0;
}

.section--gray {
  background-color: var(--color-gray-100);
}

.section__title {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.section__heading {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

/* ============================================
   CTA Section
   ============================================ */

.cta {
  padding: 64px 0;
  text-align: center;
}

.cta__box {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-200);
}

/* ============================================
   Success Page (Thank You)
   ============================================ */

.success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: var(--color-green-light);
  border-radius: 50%;
  margin-bottom: 24px;
}

.success-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-green);
}

.timeline {
  text-align: left;
  max-width: 480px;
  margin: 32px auto;
}

.timeline__item {
  display: flex;
  gap: 16px;
  padding-bottom: 24px;
  position: relative;
}

.timeline__item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background-color: var(--color-gray-200);
}

.timeline__dot {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background-color: var(--color-gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-gray-600);
}

.timeline__dot--active {
  background-color: var(--color-green);
  color: var(--color-white);
}

.timeline__content {
  padding-top: 8px;
}

.timeline__title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}

.timeline__desc {
  font-size: 14px;
  color: var(--color-gray-500);
}

/* ============================================
   Support Section
   ============================================ */

.faq {
  margin-top: 24px;
}

.faq__item {
  border-bottom: 1px solid var(--color-gray-200);
  padding: 20px 0;
}

.faq__question {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-gray-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq__question::after {
  content: '+';
  font-size: 20px;
  color: var(--color-gray-400);
  transition: transform 0.2s;
}

.faq__item.active .faq__question::after {
  content: '-';
}

.faq__answer {
  font-size: 14px;
  color: var(--color-gray-600);
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq__item.active .faq__answer {
  max-height: 200px;
  padding-top: 12px;
}

/* ============================================
   Video Embed
   ============================================ */

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--color-gray-900);
  margin: 24px 0;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--color-gray-500);
}

.video-placeholder__icon {
  font-size: 48px;
  margin-bottom: 8px;
}

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

.footer {
  background-color: var(--color-black);
  padding: 32px 0;
  text-align: center;
  margin-top: auto;
}

.footer__text {
  font-size: 13px;
  color: var(--color-gray-500);
}

.footer__link {
  color: var(--color-gray-400);
  text-decoration: underline;
}

.footer__link:hover {
  color: var(--color-white);
}

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

@media (max-width: 768px) {
  .hero__title {
    font-size: 28px;
  }

  .hero__subtitle {
    font-size: 16px;
  }

  .steps__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cta__box {
    padding: 32px 24px;
  }

  .btn--large {
    font-size: 16px;
    padding: 16px 40px;
    width: 100%;
  }

  .container {
    padding: 0 16px;
  }
}