/* ===== CSS Custom Properties ===== */
:root {
  --color-primary: #800020;
  --color-primary-light: #9A1034;
  --color-primary-dark: #5C0018;
  --color-accent: #C9A227;
  --color-accent-light: #DABB4A;
  --color-green: #2E6B3A;
  --color-green-light: #3A8A4A;
  --color-text: #2C2C2C;
  --color-text-light: #5A5A5A;
  --color-bg: #FBF9F7;
  --color-bg-warm: #F5EDE6;
  --color-white: #FFFFFF;
  --color-border: #E0D5CC;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1100px;
  --header-height: 72px;
}

/* ===== Reset ===== */
*, *::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(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
}

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

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

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

/* ===== Typography ===== */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  line-height: 1.3;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }

/* ===== Layout ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 60px 0;
}

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

/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(224,213,204,0.5);
  z-index: 100;
  transition: box-shadow 0.3s, background 0.3s;
}

.header--scrolled {
  background: var(--color-white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo img {
  height: 56px;
  width: auto;
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav__links a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-accent);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 6px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Hero ===== */
.hero {
  margin-top: var(--header-height);
  padding: 72px 0 64px;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: var(--color-white);
  text-align: center;
}

.hero__logo {
  width: 220px;
  height: auto;
  margin: 0 auto 24px;
  display: block;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.3));
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 20px;
  font-size: 3.2rem;
}

.hero h1 span {
  color: var(--color-accent-light);
}

.hero__subtitle {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 40px;
  opacity: 0.9;
  line-height: 1.8;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: none;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

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

.btn--primary:hover {
  background: var(--color-accent-light);
  color: var(--color-primary-dark);
}

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

.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary-dark);
}

/* ===== Services Grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.service-card {
  background: var(--color-white);
  border-radius: 12px;
  padding: 40px 28px;
  text-align: center;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.service-card__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: var(--color-green);
}

.service-card h3 {
  color: var(--color-primary-dark);
}

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

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: 60px 0;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-banner p {
  opacity: 0.9;
  margin-bottom: 28px;
  font-size: 1.1rem;
}

/* ===== Products Page ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 48px;
}

.product-card {
  background: var(--color-white);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.product-card__image {
  width: 100%;
  height: 260px;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.product-card__body {
  padding: 28px 24px;
}

.product-card__body h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.product-card__body p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.product-card__tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.product-card__tag--ruby {
  background: rgba(128, 0, 32, 0.1);
  color: var(--color-primary);
}

.product-card__tag--gold {
  background: rgba(201, 162, 39, 0.15);
  color: #8B7117;
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ===== About Page ===== */
.page-header {
  margin-top: var(--header-height);
  padding: 60px 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  font-size: 2.6rem;
}

.page-header p {
  opacity: 0.9;
  font-size: 1.1rem;
  margin-top: 8px;
}

.about-content {
  max-width: 780px;
  margin: 0 auto;
}

.about-content p {
  font-size: 1.1rem;
  color: var(--color-text-light);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.expertise-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-white);
  border-radius: 10px;
  border: 1px solid var(--color-border);
}

.expertise-item__icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  color: var(--color-green);
}

.expertise-item h3 {
  font-size: 1.1rem;
}

.expertise-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--color-text-light);
  font-size: 1.05rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--color-white);
  border-radius: 10px;
  border: 1px solid var(--color-border);
  margin-bottom: 16px;
  transition: border-color 0.2s;
}

.contact-method:hover {
  border-color: var(--color-accent);
}

.contact-method__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-warm);
  border-radius: 50%;
  color: var(--color-green);
}

.contact-method h3 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.contact-method p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.contact-form {
  background: var(--color-white);
  padding: 36px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.contact-form h2 {
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

/* ===== Footer ===== */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 40px 0;
  text-align: center;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 24px;
  list-style: none;
  margin-bottom: 16px;
}

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

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

.footer__copy {
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .hero { padding: 60px 0 50px; }
  .hero h1 { font-size: 2.2rem; }
  .hero__subtitle { font-size: 1.05rem; }

  .section { padding: 50px 0; }

  .nav__links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 16px 24px;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links li {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav__links li:last-child {
    border-bottom: none;
  }

  .nav__toggle {
    display: block;
  }

  .nav__toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

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

  .nav__toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

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

  .page-header h1 { font-size: 2rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .btn { padding: 12px 28px; font-size: 0.95rem; }
  .container { padding: 0 16px; }
}