/* ============================================
   Intake — intake-online.com
   Clean, minimal, monochrome design system
   ============================================ */

:root {
  --bg: #F7F7F7;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --text: #111827;
  --muted: #6B7280;
  --subtle: #9CA3AF;
  --primary: #111827;
  --secondary: #F3F4F6;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--text);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.7;
}

ul {
  list-style: none;
}

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

/* ---- Container ---- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 760px;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}

.nav.scrolled {
  background: rgba(247, 247, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  opacity: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  padding: 180px 0 120px;
  text-align: center;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.hero-logo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 28px;
  width: 72px;
  height: 72px;
  margin-left: auto;
  margin-right: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.hero-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
  transform: scale(1.08);
  transform-origin: center;
  box-sizing: border-box;
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 20px;
}

.hero-title {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--bg));
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  text-decoration: none;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

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

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-store {
  padding: 12px 24px;
}

.btn-store-text {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
}

/* ============================================
   Section shared
   ============================================ */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 16px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
}

/* ============================================
   Features
   ============================================ */
.features {
  padding: 100px 0;
}

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

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--secondary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--text);
}

.feature-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

/* ============================================
   How It Works
   ============================================ */
.how-it-works {
  padding: 100px 0;
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 24px;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--card);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}

.step-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.step-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.step-line {
  width: 60px;
  height: 2px;
  background: var(--border);
  margin-top: 24px;
  flex-shrink: 0;
}

/* ============================================
   About
   ============================================ */
.about {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-content .section-eyebrow {
  text-align: left;
}

.about-content .section-title {
  text-align: left;
  font-size: 32px;
}

.about-content p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 36px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

/* ============================================
   CTA
   ============================================ */
.cta-section {
  padding: 40px 0 100px;
}

.cta-card {
  position: relative;
  overflow: hidden;
  background: var(--primary);
  color: var(--card);
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  text-align: center;
}

.cta-watermark {
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  width: 320px;
  height: auto;
  filter: invert(1);
  mix-blend-mode: screen;
  opacity: 0.07;
  pointer-events: none;
  user-select: none;
}

.cta-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 16px;
  opacity: 0.7;
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   Contact
   ============================================ */
.contact {
  padding: 100px 0;
  background: var(--card);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--subtle);
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 8px;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: var(--secondary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text);
}

.contact-info-card h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.contact-info-card a,
.contact-info-card p {
  font-size: 14px;
  color: var(--muted);
}

.contact-info-card a:hover {
  color: var(--text);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-brand {
  max-width: 280px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 16px;
}

.footer-links-group h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-links-group ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-group a {
  font-size: 14px;
  color: var(--muted);
}

.footer-links-group a:hover {
  color: var(--text);
  opacity: 1;
}

.footer-bottom {
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--subtle);
}

/* ============================================
   Legal Pages (Privacy / Terms)
   ============================================ */
.legal-page {
  padding: 140px 0 80px;
}

.legal-page h1 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.legal-updated {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.legal-page h2 {
  font-size: 22px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--text);
}

.legal-page h3 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text);
}

.legal-page p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 12px;
}

.legal-page ul {
  margin-bottom: 16px;
  padding-left: 20px;
}

.legal-page ul li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
}

.legal-page ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--subtle);
}

.legal-page a {
  color: var(--text);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}

.legal-page a:hover {
  text-decoration-color: var(--text);
  opacity: 1;
}

.legal-contact {
  padding-left: 0;
}

.legal-contact li {
  padding-left: 0 !important;
}

.legal-contact li::before {
  display: none;
}

/* ============================================
   Responsive — Tablet
   ============================================ */
@media (max-width: 900px) {
  .hero-title {
    font-size: 40px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .step-line {
    width: 2px;
    height: 32px;
    margin-top: 0;
  }

  .step {
    padding: 0;
    max-width: 320px;
  }
}

/* ============================================
   Responsive — Mobile
   ============================================ */
@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(247, 247, 247, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 14px 24px;
    font-size: 16px;
    color: var(--text);
  }

  .hero {
    padding: 140px 0 80px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn-store {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-title {
    font-size: 28px;
  }

  .features {
    padding: 64px 0;
  }

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

  .how-it-works {
    padding: 64px 0;
  }

  .about {
    padding: 64px 0;
  }

  .about-content .section-title {
    font-size: 26px;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-card {
    padding: 20px 16px;
  }

  .stat-number {
    font-size: 28px;
  }

  .cta-section {
    padding: 20px 0 64px;
  }

  .cta-card {
    padding: 48px 24px;
    border-radius: var(--radius-lg);
  }

  .cta-watermark {
    width: 200px;
    right: -30px;
    opacity: 0.05;
  }

  .cta-title {
    font-size: 28px;
  }

  .contact {
    padding: 64px 0;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    max-width: 100%;
  }

  .legal-page {
    padding: 120px 0 60px;
  }

  .legal-page h1 {
    font-size: 30px;
  }

  .legal-page h2 {
    font-size: 20px;
  }
}

/* ============================================
   Animations (reduced motion safe)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
  .feature-card,
  .stat-card,
  .step {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.5s ease forwards;
  }

  .feature-card:nth-child(1) { animation-delay: 0.05s; }
  .feature-card:nth-child(2) { animation-delay: 0.1s; }
  .feature-card:nth-child(3) { animation-delay: 0.15s; }
  .feature-card:nth-child(4) { animation-delay: 0.2s; }
  .feature-card:nth-child(5) { animation-delay: 0.25s; }
  .feature-card:nth-child(6) { animation-delay: 0.3s; }

  .step:nth-child(1) { animation-delay: 0.05s; }
  .step:nth-child(3) { animation-delay: 0.15s; }
  .step:nth-child(5) { animation-delay: 0.25s; }

  .stat-card:nth-child(1) { animation-delay: 0.05s; }
  .stat-card:nth-child(2) { animation-delay: 0.1s; }
  .stat-card:nth-child(3) { animation-delay: 0.15s; }
  .stat-card:nth-child(4) { animation-delay: 0.2s; }
}

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

/* ============================================
   Utility
   ============================================ */
::selection {
  background: var(--primary);
  color: var(--card);
}