/* ============================================
   TinySteps — Brand Color Constants
   ============================================ */
:root {
  /* ===== Brown family ===== */
  --color-brown-900: #2E2A25;
  --color-brown-800: #3E3832;
  --color-brown-700: #4E473F;
  --color-brown-600: #5D564E;
  --color-brown-500: #7D756C;
  --color-brown-400: #9E948A;
  --color-brown-300: #B8AEA4;
  --color-brown-200: #D8CFC4;
  --color-brown-100: #EDE7DE;

  /* ===== Warm accent browns ===== */
  --color-warm-600: #8B7355;
  --color-warm-500: #A68B6B;
  --color-warm-400: #C4A882;
  --color-warm-300: #D9C4A4;
  --color-warm-200: #EADBC8;

  /* ===== Cream family ===== */
  --color-cream-50:  #FEFCF9;
  --color-cream-100: #FDF7ED;
  --color-cream-200: #F5EDE0;
  --color-cream-300: #EBE3D5;
  --color-cream-400: #DDD5C7;
  --color-cream-500: #CFC5B8;

  /* ===== Aliases (legacy names) ===== */
  --color-grey-brown:        var(--color-brown-600);
  --color-grey-brown-dark:   var(--color-brown-700);
  --color-grey-brown-darker: var(--color-brown-800);
  --color-grey-brown-light:  var(--color-brown-500);
  --color-grey-brown-muted:  var(--color-brown-400);
  --color-grey-brown-faint:  var(--color-brown-200);
  --color-cream:             var(--color-cream-100);
  --color-cream-dark:        var(--color-cream-200);
  --color-cream-darker:      var(--color-cream-300);
  --color-cream-darkest:     var(--color-cream-400);
  --color-white:             #ffffff;
  --color-off-white:         var(--color-cream-50);

  /* Text */
  --color-text-primary:   var(--color-brown-800);
  --color-text-secondary: var(--color-brown-500);
  --color-text-muted:     var(--color-brown-400);
  --color-text-on-dark:   var(--color-cream-100);

  /* Functional */
  --color-border:        var(--color-cream-300);
  --color-border-light:  var(--color-cream-200);
  --color-border-strong: var(--color-cream-500);

  /* Shadows — warm, subtle */
  --shadow-sm: 0 1px 3px rgba(93, 86, 78, 0.06);
  --shadow-md: 0 4px 16px rgba(93, 86, 78, 0.08);
  --shadow-lg: 0 12px 40px rgba(93, 86, 78, 0.10);

  /* Typography */
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: Georgia, 'Times New Roman', 'Noto Serif', serif;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Layout */
  --max-width: 1140px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background: var(--color-cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.25;
  font-weight: 400;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.35rem); font-family: var(--font-body); font-weight: 600; }

p {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
}

.text-center { text-align: center; }
.text-large { font-size: 1.1875rem; }
.text-small { font-size: 0.875rem; }

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

.section-warm {
  background: var(--color-cream-dark);
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--color-grey-brown);
  color: var(--color-text-on-dark);
  border-color: var(--color-grey-brown);
}

.btn-primary:hover {
  background: var(--color-grey-brown-dark);
  border-color: var(--color-grey-brown-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}

.btn-secondary:hover {
  background: var(--color-cream-dark);
  border-color: var(--color-grey-brown-muted);
}

.btn-cream {
  background: var(--color-cream);
  color: var(--color-text-primary);
  border-color: var(--color-cream);
}

.btn-cream:hover {
  background: var(--color-cream-dark);
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 247, 237, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-grey-brown);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 18px;
  height: 18px;
  fill: var(--color-cream);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 450;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Language dropdown */
.lang-dropdown {
  position: relative;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-cream-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.lang-toggle:hover {
  background: var(--color-cream-darker);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 140px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s;
}

.lang-dropdown.open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-menu a {
  display: block;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: background 0.15s;
}

.lang-menu a:hover {
  background: var(--color-cream);
  color: var(--color-text-primary);
}

.lang-menu a.active {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
  background: var(--color-cream);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -15%;
  right: -10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, var(--color-cream-darker) 0%, transparent 65%);
  opacity: 0.6;
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -15%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--color-cream-darkest) 0%, transparent 65%);
  opacity: 0.4;
  border-radius: 50%;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero h1 {
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.hero h1 em {
  color: var(--color-grey-brown-light);
  font-style: italic;
}

.hero p {
  font-size: 1.1875rem;
  max-width: 560px;
  margin-bottom: var(--space-lg);
  color: var(--color-text-secondary);
}

.hero-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.hero-trust-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-grey-brown-light);
}

/* ============================================
   Section Header
   ============================================ */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

/* ============================================
   How It Works
   ============================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.step {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  transition: all 0.3s;
}

.step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-border);
}

.step-number {
  width: 44px;
  height: 44px;
  background: var(--color-cream-dark);
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  font-family: var(--font-heading);
}

.step h3 {
  margin-bottom: 0.5rem;
  font-size: 1.0625rem;
}

.step p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ============================================
   Categories
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
}

.category-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.category-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-sm);
  background: var(--color-cream);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-text-primary);
}

.category-card h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.category-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ============================================
   For Experts Banner
   ============================================ */
.experts-banner {
  background: var(--color-grey-brown);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.experts-banner h2 {
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-xs);
}

.experts-banner p {
  color: rgba(253, 247, 237, 0.75);
  font-size: 1.0625rem;
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.testimonial-stars {
  color: var(--color-grey-brown-light);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.15em;
}

.testimonial-text {
  font-size: 1rem;
  font-style: italic;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
  line-height: 1.6;
  font-family: var(--font-heading);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 42px;
  height: 42px;
  background: var(--color-cream-dark);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  color: var(--color-text-primary);
  font-size: 0.8125rem;
}

.testimonial-name {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
}

.testimonial-role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  font-size: 1.0625rem;
  font-weight: 500;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary);
  transition: color 0.2s;
}

.faq-question:hover {
  color: var(--color-grey-brown-light);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s;
  color: var(--color-text-muted);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: var(--space-md);
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: var(--color-grey-brown);
  color: var(--color-text-on-dark);
  text-align: center;
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-lg);
  margin: 0 var(--space-md);
}

.cta-section h2 {
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-sm);
}

.cta-section p {
  color: rgba(253, 247, 237, 0.75);
  max-width: 520px;
  margin: 0 auto var(--space-lg);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-cream-dark);
  padding: var(--space-2xl) 0 var(--space-lg);
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-brand p {
  font-size: 0.9375rem;
  margin-top: var(--space-sm);
  max-width: 280px;
  color: var(--color-text-muted);
}

.footer-links h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.footer-links a {
  display: block;
  padding: 0.25rem 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================
   RTL Support
   ============================================ */
[dir="rtl"] .lang-menu {
  right: auto;
  left: 0;
}

[dir="rtl"] .hero-trust {
  flex-direction: row;
}

[dir="rtl"] .experts-banner {
  flex-direction: row;
}

[dir="rtl"] .footer-grid {
  direction: rtl;
}

[dir="rtl"] .faq-question {
  text-align: right;
}

[dir="rtl"] .testimonial-author {
  flex-direction: row;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
  .steps {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-links {
    display: none;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-cream);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    gap: var(--space-sm);
    align-items: stretch;
  }

  .nav-links.open a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border-light);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .experts-banner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-trust {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .cta-section {
    margin: 0;
    border-radius: 0;
  }
}