/* ========================================
   markdown.agency — Design Tokens & Base
   ======================================== */

:root {
  --surface-primary: #0A0A0A;
  --surface-card: #111111;
  --surface-inverse: #FFFFFF;
  --fg-primary: #FFFFFF;
  --fg-secondary: #A1A1AA;
  --fg-inverse: #0A0A0A;
  --border-subtle: #1A1A1A;
  --border-input: #27272A;
  --accent-primary: #A855F7;
  --accent-secondary: #EC4899;
  --accent-tertiary: #06B6D4;
  --accent-primary-dim: rgba(168, 85, 247, 0.08);
  --radius-sm: 4px;
  --radius-full: 100px;
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--surface-primary);
  color: var(--fg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }

/* ========================================
   Typography
   ======================================== */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.heading-xl { font-size: 72px; font-weight: 700; line-height: 1.05; }
.heading-lg { font-size: 56px; font-weight: 700; line-height: 1.05; }
.heading-md { font-size: 48px; font-weight: 700; line-height: 1.05; }
.heading-sm { font-size: 40px; font-weight: 700; line-height: 1.1; }
.heading-xs { font-size: 32px; font-weight: 700; line-height: 1.1; }

.body-lg { font-size: 18px; line-height: 1.6; color: var(--fg-secondary); }
.body-md { font-size: 16px; line-height: 1.6; color: var(--fg-secondary); }
.body-sm { font-size: 14px; line-height: 1.6; color: var(--fg-secondary); }

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

.container { width: 100%; max-width: 1440px; margin: 0 auto; padding: 0 48px; }
.section { padding: 80px 0; }
.divider { height: 1px; background: var(--border-subtle); }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: opacity 0.2s, transform 0.1s;
  white-space: nowrap;
}
.btn:hover { opacity: 0.9; }
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--accent-primary); color: var(--fg-primary); }
.btn-ghost {
  background: transparent;
  color: var(--fg-secondary);
  border: 1px solid var(--border-subtle);
}
.btn-ghost:hover { border-color: var(--fg-secondary); color: var(--fg-primary); }
.btn-full { width: 100%; }

/* ========================================
   Navbar
   ======================================== */

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 48px;
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  background: var(--surface-primary);
  z-index: 100;
}

.navbar-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
}
.navbar-logo span { color: var(--accent-primary); }

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.navbar-links a:not(.btn) {
  font-size: 14px;
  color: var(--fg-secondary);
  transition: color 0.2s;
}
.navbar-links a:not(.btn):hover { color: var(--fg-primary); }
.navbar-links a:not(.btn).active { color: var(--fg-primary); }

.lang-dropdown {
  position: relative;
}
.lang-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-secondary);
  cursor: pointer;
  transition: border-color 0.2s;
}
.lang-trigger:hover { border-color: var(--fg-secondary); }
.lang-trigger.open { border-color: var(--accent-primary); color: var(--fg-primary); }
.lang-trigger svg { width: 14px; height: 14px; transition: transform 0.2s; }
.lang-trigger.open svg { transform: rotate(180deg); }

.lang-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 140px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 8px rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s, visibility 0.15s, transform 0.15s;
  z-index: 200;
}
.lang-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }

.lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--fg-secondary);
  cursor: pointer;
  transition: background 0.15s;
}
.lang-option:hover { background: #1A1A1A; }
.lang-option.active { color: var(--fg-primary); background: #1A1A1A; }
.lang-option .check { color: var(--accent-primary); width: 14px; }
.lang-option .check.hidden { visibility: hidden; }

.hamburger { display: none; background: none; border: none; cursor: pointer; }
.hamburger svg { width: 24px; height: 24px; color: var(--fg-primary); }

.navbar-right { display: none; }

/* ========================================
   Mobile Menu
   ======================================== */

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--surface-primary);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}
.mobile-menu.open { transform: translateX(0); }

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border-subtle);
}
.mobile-menu-header .navbar-logo { font-size: 15px; }

.mobile-menu-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.mobile-menu-close { background: none; border: none; cursor: pointer; }
.mobile-menu-close svg { width: 24px; height: 24px; color: var(--fg-primary); }

.mobile-menu-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px;
}

.mobile-menu-links { display: flex; flex-direction: column; }
.mobile-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 32px;
  font-weight: 600;
}
.mobile-menu-link:last-child { border-bottom: none; }
.mobile-menu-link svg { width: 24px; height: 24px; color: var(--fg-secondary); }

.mobile-menu-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}
.mobile-menu-bottom .btn { width: 100%; }

.mobile-menu-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.mobile-menu-info .email {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--fg-secondary);
}
.mobile-menu-socials {
  display: flex;
  gap: 28px;
}
.mobile-menu-socials a svg { width: 22px; height: 22px; color: var(--fg-secondary); }
.mobile-menu-socials a:hover svg { color: var(--fg-primary); }

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

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 120px 48px;
  gap: 32px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-input);
}
.hero-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
}
.hero-badge span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-secondary);
  letter-spacing: 2px;
}

.hero-title { max-width: 900px; }
.hero-subtitle { max-width: 680px; }

.hero-ctas { display: flex; gap: 16px; }

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

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

.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card-icon {
  width: 48px; height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-icon.purple { background: linear-gradient(180deg, #A855F7, #6D28D9); }
.card-icon.pink { background: linear-gradient(180deg, #EC4899, #9D174D); }
.card-icon.cyan { background: linear-gradient(180deg, #06B6D4, #0E7490); }
.card-icon svg { width: 24px; height: 24px; color: var(--fg-primary); }

.card-title { font-size: 20px; font-weight: 600; }

/* ========================================
   Stats
   ======================================== */

.stats {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 64px 48px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-number { font-size: 48px; font-weight: 700; }
.stat-number.accent { color: var(--accent-primary); }
.stat-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-secondary);
  letter-spacing: 1px;
}

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

.cta-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 100px 48px;
  gap: 32px;
  text-align: center;
}
.cta-section .body-lg { max-width: 500px; }

/* ========================================
   Service Rows (Services Page)
   ======================================== */

.service-row {
  display: flex;
  gap: 48px;
  padding: 64px 0;
  align-items: flex-start;
}
.service-row-left,
.service-row-right { flex: 1; }

.service-row-left { display: flex; flex-direction: column; gap: 16px; }

.service-number {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
}
.service-number.purple { color: var(--accent-primary); }
.service-number.pink { color: var(--accent-secondary); }
.service-number.cyan { color: var(--accent-tertiary); }

.service-title { font-size: 32px; font-weight: 700; }

.service-bullets {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
}
.service-bullets li {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.8;
}

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

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.step-number {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-primary);
}
.step-title { font-size: 18px; font-weight: 600; }
.step-desc { font-size: 13px; color: var(--fg-secondary); line-height: 1.6; }

/* ========================================
   Values Cards (About Page)
   ======================================== */

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

.value-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.value-card-icon svg { width: 32px; height: 32px; }
.value-card-icon.purple svg { color: var(--accent-primary); }
.value-card-icon.pink svg { color: var(--accent-secondary); }
.value-card-icon.cyan svg { color: var(--accent-tertiary); }

.value-card-title { font-size: 20px; font-weight: 600; }

/* ========================================
   Why Us (About Page)
   ======================================== */

.why-us {
  display: flex;
  gap: 64px;
  padding: 80px 0;
}
.why-us-left,
.why-us-right { flex: 1; }
.why-us-left { display: flex; flex-direction: column; gap: 24px; }
.why-us-right { display: flex; flex-direction: column; gap: 24px; }

.why-item { display: flex; flex-direction: column; gap: 8px; }
.why-item-title { font-size: 18px; font-weight: 600; }

/* ========================================
   Contact Page
   ======================================== */

.contact-body {
  display: flex;
  gap: 64px;
  padding: 80px 0;
}
.contact-left,
.contact-right { flex: 1; }

.contact-left { display: flex; flex-direction: column; gap: 32px; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--fg-secondary);
}
.contact-info-item svg { width: 20px; height: 20px; color: var(--accent-primary); flex-shrink: 0; }

.contact-form {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-secondary);
}
.form-input,
.form-textarea {
  background: var(--surface-primary);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--fg-primary);
  outline: none;
  transition: border-color 0.2s;
}
.form-input::placeholder,
.form-textarea::placeholder { color: #52525B; }
.form-input:focus,
.form-textarea:focus { border-color: var(--accent-primary); }
.form-textarea { resize: vertical; min-height: 120px; }

/* ========================================
   Time Slots
   ======================================== */

.slots-section { display: flex; flex-direction: column; gap: 10px; }

.slots-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.slots-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.slots-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-secondary);
}
.slots-optional {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: #1A1A1A;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-secondary);
}

.slots-arrows {
  display: flex;
  gap: 4px;
}
.slots-arrow {
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-input);
  background: none;
  cursor: pointer;
  transition: border-color 0.2s;
}
.slots-arrow:hover { border-color: var(--fg-secondary); }
.slots-arrow svg { width: 14px; height: 14px; color: var(--fg-secondary); }

.slots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-input);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: transparent;
}
.slot:hover { border-color: var(--fg-secondary); }
.slot.selected {
  border-color: var(--accent-primary);
  background: var(--accent-primary-dim);
}

.slot-date { font-size: 12px; font-weight: 500; color: var(--fg-primary); }
.slot-time { font-family: var(--font-mono); font-size: 11px; color: var(--fg-secondary); }
.slot.selected .slot-time { color: var(--accent-primary); }

.slot.empty {
  border: 1px dashed var(--border-input);
  cursor: default;
  opacity: 0.4;
}
.slot.empty:hover { border-color: var(--border-input); }

.slots-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-size: 13px;
  color: var(--fg-secondary);
}

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

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 48px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
}
.footer-logo span { color: var(--accent-primary); }
.footer-copy { font-size: 13px; color: var(--fg-secondary); }

/* ========================================
   Form Feedback
   ======================================== */

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 48px 32px;
  text-align: center;
}
.form-success.show { display: flex; }
.form-success svg { width: 48px; height: 48px; color: var(--accent-primary); }
.form-success h3 { font-size: 20px; font-weight: 600; }

.form-content.hidden { display: none; }

.btn.loading { pointer-events: none; opacity: 0.7; }

/* ========================================
   Responsive — Tablet (768px)
   ======================================== */

@media (max-width: 1024px) {
  .container { padding: 0 32px; }
  .navbar { padding: 14px 24px; }
  .navbar-links { display: none; }
  .navbar-right { display: flex; align-items: center; gap: 12px; }
  .hamburger { display: flex; }

  .hero { padding: 80px 32px; gap: 24px; }
  .heading-xl { font-size: 48px; }
  .heading-lg { font-size: 40px; }
  .heading-md { font-size: 36px; }
  .heading-sm { font-size: 32px; }
  .heading-xs { font-size: 28px; }

  .hero-subtitle { max-width: 550px; }

  .cards-grid { grid-template-columns: 1fr; gap: 16px; }
  .card {
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
  }
  .card-icon { flex-shrink: 0; width: 40px; height: 40px; }
  .card-icon svg { width: 20px; height: 20px; }
  .card-body { display: flex; flex-direction: column; gap: 8px; }
  .card-title { font-size: 17px; }
  .card .body-sm { font-size: 13px; }

  .stats { padding: 48px 32px; }
  .stat-number { font-size: 36px; }
  .stat-label { font-size: 10px; }

  .cta-section { padding: 72px 32px; gap: 24px; }
  .cta-section .heading-md { font-size: 36px; }
  .cta-section .body-lg { max-width: 450px; }

  .section { padding: 64px 0; }

  .service-row {
    flex-direction: column;
    padding: 48px 0;
    gap: 16px;
  }
  .service-number { font-size: 36px; }
  .service-title { font-size: 26px; }
  .service-bullets li { font-size: 13px; }

  .steps-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .step { padding: 16px; }
  .step-title { font-size: 15px; }
  .step-desc { font-size: 12px; }

  .values-grid { grid-template-columns: 1fr; gap: 16px; }
  .value-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
  }
  .value-card-icon svg { width: 28px; height: 28px; }
  .value-card-body { display: flex; flex-direction: column; gap: 8px; }
  .value-card-title { font-size: 17px; }
  .value-card .body-sm { font-size: 13px; }

  .why-us { flex-direction: column; gap: 32px; padding: 64px 0; }
  .why-item-title { font-size: 16px; }
  .why-item .body-sm { font-size: 13px; }

  .contact-body { flex-direction: column; gap: 48px; padding: 64px 0; }
  .contact-form { padding: 24px; gap: 20px; }
  .contact-form form { gap: 20px; }
  .form-content { gap: 20px; }

  .footer { padding: 24px; }
  .footer-logo { font-size: 12px; }
  .footer-copy { font-size: 11px; }

  .mobile-menu-body { padding: 64px 48px 48px; }
  .mobile-menu-link { font-size: 32px; }
}

/* ========================================
   Responsive — Phone (375px)
   ======================================== */

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .navbar { padding: 12px 16px; }
  .navbar-logo { font-size: 13px; }
  .navbar-right .lang-trigger { padding: 5px 8px; font-size: 11px; }
  .navbar-right .lang-trigger svg { width: 12px; height: 12px; }

  .hero { padding: 56px 20px; gap: 20px; }
  .heading-xl { font-size: 32px; }
  .heading-lg { font-size: 28px; }
  .heading-md { font-size: 28px; }
  .heading-sm { font-size: 24px; }
  .heading-xs { font-size: 22px; }
  .body-lg { font-size: 14px; }
  .body-md { font-size: 14px; }
  .eyebrow { font-size: 10px; letter-spacing: 1.5px; }

  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { width: 100%; }

  .section { padding: 48px 0; }

  .card { padding: 20px; gap: 12px; }
  .card-icon { width: 36px; height: 36px; border-radius: 6px; }
  .card-icon svg { width: 18px; height: 18px; }

  .stats { flex-direction: column; gap: 32px; padding: 40px 20px; }
  .stat-number { font-size: 32px; }

  .cta-section { padding: 48px 20px; gap: 20px; }

  .service-number { font-size: 28px; }
  .service-title { font-size: 22px; }
  .service-bullets li { font-size: 12px; }

  .steps-grid { grid-template-columns: 1fr; gap: 12px; }
  .step { padding: 16px; }
  .step-number { font-size: 12px; }
  .step-title { font-size: 15px; }

  .value-card { padding: 20px; gap: 10px; }
  .value-card-icon svg { width: 24px; height: 24px; }

  .why-item-title { font-size: 15px; }
  .why-item .body-sm { font-size: 12px; }

  .contact-form { padding: 20px; gap: 16px; }
  .contact-form form { gap: 16px; }
  .form-content { gap: 16px; }
  .contact-info-item { font-size: 13px; }
  .contact-info-item svg { width: 16px; height: 16px; }

  .slots-arrow { width: 22px; height: 22px; }
  .slots-arrow svg { width: 12px; height: 12px; }
  .slot { padding: 8px 6px; }
  .slot-date { font-size: 11px; }
  .slot-time { font-size: 10px; }

  .footer { flex-direction: column; gap: 8px; padding: 20px; text-align: center; }
  .footer-logo { font-size: 11px; }
  .footer-copy { font-size: 10px; }

  .mobile-menu-header { padding: 12px 16px; }
  .mobile-menu-header .navbar-logo { font-size: 13px; }
  .mobile-menu-body { padding: 48px 24px; }
  .mobile-menu-link { font-size: 24px; padding: 20px 0; }
  .mobile-menu-info .email { font-size: 13px; }
}