/* ===== CSS Variables ===== */
:root {
  --color-bg: #faf7f0;
  --color-bg-alt: #f2ede2;
  --color-dark: #1a1826;
  --color-dark-medium: #2a2740;
  --color-dark-light: #3d3957;
  --color-accent: #8b3a62;
  --color-accent-hover: #a64d78;
  --color-accent-light: #c46d94;
  --color-gold: #c4862e;
  --color-gold-light: #dba34d;
  --color-text: #1a1826;
  --color-text-light: #faf7f0;
  --color-text-muted: #6e6962;
  --color-border: #e0d8cb;
  --color-white: #ffffff;
  --color-green: #3d6b56;
  --color-green-light: #4f8a6e;
  --color-error: #c0392b;
  --color-success: #27ae60;
  --color-card: #ffffff;
  --font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", monospace;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --nav-height: 70px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 700;
}

.section-title {
  font-size: 2.25rem;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
}

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

/* ===== Site Navigation (class-based) ===== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-nav.scrolled {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  gap: 4px;
}

.logo-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

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

.nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
  line-height: 1.4;
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 58, 98, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-border);
}

.btn-outline:hover {
  background: var(--color-dark);
  color: var(--color-text-light);
  border-color: var(--color-dark);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ===== Hero Section ===== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + 2rem) 1.5rem 4rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-medium) 50%, var(--color-dark-light) 100%);
  color: var(--color-text-light);
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: rgba(139, 58, 98, 0.2);
  border: 1px solid rgba(139, 58, 98, 0.4);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  max-width: 800px;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.8;
  color: #c4c0d4;
  max-width: 650px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-actions .btn-outline {
  color: var(--color-text-light);
  border: 2px solid rgba(250, 247, 240, 0.3);
}

.hero-actions .btn-outline:hover {
  background: var(--color-text-light);
  color: var(--color-dark);
  border-color: var(--color-text-light);
}

.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  max-width: 600px;
  z-index: 1;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
}

.hero-shape-1 {
  width: 500px;
  height: 500px;
  background: rgba(139,58,98,0.08);
  top: -100px;
  right: -100px;
}

.hero-shape-2 {
  width: 350px;
  height: 350px;
  background: rgba(196,134,46,0.08);
  bottom: -50px;
  right: 50px;
}

.hero-shape-3 {
  width: 200px;
  height: 200px;
  background: rgba(196,109,148,0.05);
  top: 150px;
  right: 200px;
}

/* ===== About Section ===== */
.about-section {
  padding: 6rem 1.5rem;
  background: var(--color-white);
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-placeholder {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.about-icon-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  width: 100%;
}

.about-icon-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-dark);
  box-shadow: var(--shadow-sm);
}

.about-icon {
  color: var(--color-accent);
  font-size: 0.7rem;
}

.about-text .section-title {
  margin-bottom: 1.2rem;
}

.about-lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 1.2rem;
  line-height: 1.7;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.75;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* ===== Services Section ===== */
.services-section {
  padding: 6rem 1.5rem;
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-light);
}

.service-number {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-bg-alt);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  line-height: 1;
  pointer-events: none;
}

.service-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
  position: relative;
  z-index: 1;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.service-list {
  list-style: none;
}

.service-list li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 0.35rem 0;
  padding-left: 1.2rem;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ===== Stats Section ===== */
.stats-section {
  padding: 4rem 1.5rem;
  background: var(--color-dark);
  color: var(--color-text-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 1.5rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.5rem;
  color: var(--color-gold);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.95rem;
  color: #b0adc0;
  font-weight: 500;
}

/* ===== Process Section ===== */
.process-section {
  padding: 6rem 1.5rem;
  background: var(--color-white);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.process-step {
  text-align: center;
  padding: 2rem 1.25rem;
}

.process-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.process-step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.process-step p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ===== Contact Section ===== */
.contact-section {
  padding: 6rem 1.5rem;
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: var(--color-dark);
}

.contact-detail {
  margin-bottom: 1.5rem;
}

.contact-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.contact-value {
  font-size: 1rem;
  color: var(--color-dark);
  line-height: 1.6;
}

.contact-form {
  background: var(--color-card);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-family);
  color: var(--color-dark);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(139, 58, 98, 0.15);
}

.form-input::placeholder {
  color: #b0a99e;
}

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

.form-feedback {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.form-feedback.success {
  display: block;
  background: #eaf7ee;
  color: var(--color-green);
  border: 1px solid #c3e6cf;
}

.form-feedback.error {
  display: block;
  background: #fdecea;
  color: var(--color-error);
  border: 1px solid #f5c6cb;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-dark);
  color: #c4c0d4;
  padding: 3rem 1.5rem 1.5rem;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-brand {
  margin-bottom: 2rem;
}

.footer-logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

.footer-logo .logo-dot {
  background: var(--color-accent-light);
}

.footer-tagline {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #8a8599;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(250, 247, 240, 0.08);
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  color: #8a8599;
  font-size: 0.9rem;
  padding: 0.3rem 0;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #6e6880;
}

.footer-address {
  color: #6e6880;
}

/* ===== Fade-Up Animation ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.75rem;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-height) + 2rem) 2rem 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-xl);
    transition: right 0.35s ease;
    z-index: 999;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.05rem;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .section-title {
    font-size: 1.75rem;
  }

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

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

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

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

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

  .about-icon-grid {
    grid-template-columns: 1fr;
  }

  .service-number {
    font-size: 2.5rem;
  }

  .contact-form {
    padding: 1.5rem;
  }
}