/* ===== DESIGN TOKENS ===== */
:root {
  --color-primary: #B7472A;
  --color-primary-light: #D4654A;
  --color-primary-dark: #8E3620;
  --color-accent: #D4A574;
  --color-accent-light: #E8C9A0;
  --color-background: #FEFCF9;
  --color-foreground: #2D2D2D;
  --color-muted: #6B6B6B;
  --color-card: #FFFFFF;
  --color-card-border: #F0E8E0;
  --color-section-alt: #FDF8F3;
  --color-border: #E8DDD4;

  --font-heading: 'Noto Serif SC', serif;
  --font-body: 'Inter', sans-serif;

  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);

  --max-width: 1200px;
  --transition: 200ms ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--foreground);
  background: var(--color-background);
  line-height: 1.7;
  color: var(--color-foreground);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-foreground);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 5rem 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(254, 252, 249, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-foreground);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  cursor: pointer;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  border: none;
  background: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-foreground);
  transition: transform var(--transition), opacity var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-section-alt) 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content .subtitle {
  font-size: 1.25rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.hero-content .tagline {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-image {
  display: flex;
  justify-content: center;
}

.hero-image .avatar-placeholder {
  width: 360px;
  height: 420px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-foreground);
  box-shadow: var(--shadow-lg);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== STATS ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

/* ===== CARDS ===== */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--color-section-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.card p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-background);
  transform: translateX(-5px);
}

.timeline-item h4 {
  margin-bottom: 0.25rem;
}

.timeline-item .time {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-item p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* ===== TESTIMONIALS ===== */
.testimonial {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}

.testimonial::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--color-accent-light);
  position: absolute;
  top: 0.5rem;
  left: 1.5rem;
  line-height: 1;
}

.testimonial p {
  font-style: italic;
  margin-bottom: 1rem;
  padding-top: 1.5rem;
}

.testimonial .author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-foreground);
  color: #fff;
  padding: 3rem 0 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer h4 {
  color: #fff;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer p,
.footer a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

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

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-section-alt) 100%);
  text-align: center;
}

.page-header h1 {
  margin-bottom: 1rem;
}

.page-header p {
  color: var(--color-muted);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FEATURE LIST ===== */
.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ===== CONTACT FORM ===== */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-card);
  color: var(--color-foreground);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(183, 71, 42, 0.1);
}

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

/* ===== CONTACT INFO ===== */
.contact-info-list {
  list-style: none;
}

.contact-info-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-info-list .icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-section-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image .avatar-placeholder {
    width: 280px;
    height: 320px;
  }

  .btn-group {
    justify-content: center;
  }

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

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  html { font-size: 15px; }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }

  .hero-content h1 { font-size: 2.25rem; }

  .container { padding: 0 1.25rem; }

  section { padding: 3.5rem 0; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-background);
    flex-direction: column;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
    gap: 1rem;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .cards-grid,
  .cards-grid-2 {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .page-header {
    padding: 6rem 0 3rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.85rem; }
  .stat-number { font-size: 2rem; }

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

  .btn-group {
    flex-direction: column;
  }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-muted); }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}