/* ============================================
   Greenville Bicycle Company — Stylesheet
   Charcoal + Coral | Confident Corporate
   ============================================ */

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

:root {
  --charcoal: #3D405B;
  --charcoal-deep: #2B2D42;
  --charcoal-light: #535670;
  --coral: #E07A5F;
  --coral-dark: #C96A52;
  --coral-light: #F2A08D;
  --cream: #F4F1EB;
  --cream-light: #FAFAF8;
  --white: #FFFFFF;
  --gray-100: #F8F9FA;
  --gray-200: #E9ECEF;
  --gray-300: #DEE2E6;
  --gray-400: #CED4DA;
  --gray-500: #ADB5BD;
  --gray-600: #6C757D;
  --gray-700: #495057;
  --gray-800: #343A40;
  --green-dark: #1B4332;
  --green-light: #D8F3DC;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-sm: 0 1px 3px rgba(61, 64, 91, 0.08);
  --shadow-md: 0 4px 16px rgba(61, 64, 91, 0.10);
  --shadow-lg: 0 8px 32px rgba(61, 64, 91, 0.12);
  --shadow-xl: 0 16px 48px rgba(61, 64, 91, 0.14);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
}

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

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--cream-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--charcoal);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 16px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--coral-dark);
  border-color: var(--coral-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background: var(--charcoal);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--charcoal);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: color var(--transition);
}

.logo:hover {
  color: var(--coral);
}

.logo-text {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.main-nav a {
  color: var(--charcoal);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
}

.main-nav a:hover {
  color: var(--coral);
  background: rgba(224, 122, 95, 0.08);
}

.nav-cta {
  background: var(--charcoal) !important;
  color: var(--white) !important;
  border-radius: var(--radius-sm) !important;
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--coral) !important;
  color: var(--white) !important;
}

/* Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  padding-top: 72px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--cream-light);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 64px 0;
}

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--coral);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--charcoal-deep);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-desc {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--charcoal-deep);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-300);
}

.hero-image {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-image-frame:hover img {
  transform: scale(1.03);
}

.hero-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 160px;
  height: 160px;
  background: var(--coral);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.2;
}

/* --- Section Shared --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--coral);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--charcoal-deep);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--gray-600);
}

/* --- Services --- */
.services {
  padding: 100px 0;
  background: var(--white);
}

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

.service-card {
  background: var(--cream-light);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(224, 122, 95, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  color: var(--coral);
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--charcoal-deep);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: 20px;
}

.service-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--coral);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: gap var(--transition);
}

.service-link:hover {
  gap: 10px;
  color: var(--coral-dark);
}

/* --- About --- */
.about {
  padding: 100px 0;
  background: var(--cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

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

.about-image-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image-secondary {
  position: absolute;
  bottom: -32px;
  right: -32px;
  width: 55%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid var(--cream);
}

.about-image-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  top: -20px;
  left: -20px;
  background: var(--charcoal);
  color: var(--white);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  line-height: 1.4;
}

.about-badge svg {
  flex-shrink: 0;
}

.about-content .section-eyebrow {
  text-align: left;
}

.about-content .section-title {
  text-align: left;
}

.about-text {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--gray-600);
  margin-bottom: 16px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--charcoal);
}

.about-feature svg {
  flex-shrink: 0;
}

/* --- Gallery --- */
.gallery {
  padding: 100px 0;
  background: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item--wide {
  grid-column: span 12;
}

.gallery-item--wide img {
  height: 320px;
}

.gallery-item:nth-child(2) {
  grid-column: span 6;
}

.gallery-item:nth-child(3) {
  grid-column: span 6;
}

.gallery-item:nth-child(4) {
  grid-column: span 6;
}

.gallery-item:nth-child(5) {
  grid-column: span 6;
}

.gallery-item img {
  height: 260px;
}

/* --- Contact --- */
.contact {
  padding: 100px 0;
  background: var(--charcoal);
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact .section-eyebrow {
  color: var(--coral-light);
}

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

.contact-desc {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--gray-400);
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-detail {
  display: flex;
  gap: 16px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(224, 122, 95, 0.15);
  border-radius: var(--radius-sm);
  color: var(--coral-light);
}

.contact-detail-label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-detail p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-200);
}

.contact-detail a {
  color: var(--gray-200);
  text-decoration: none;
  transition: color var(--transition);
}

.contact-detail a:hover {
  color: var(--coral-light);
}

/* --- Contact Form --- */
.contact-form-wrapper {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-xl);
}

.contact-form-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--charcoal-deep);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--charcoal);
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--coral);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(224, 122, 95, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

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

.form-notice {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-top: 16px;
  text-align: center;
}

.form-success {
  display: none;
  text-align: center;
  padding: 48px 24px;
}

.form-success svg {
  margin: 0 auto 20px;
  color: var(--green-dark);
}

.form-success h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--charcoal-deep);
  margin-bottom: 12px;
}

.form-success p {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* --- Footer --- */
.site-footer {
  background: var(--charcoal-deep);
  color: var(--gray-400);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(206, 212, 218, 0.15);
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--gray-500);
  max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--gray-500);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--coral-light);
}

.footer-contact p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 4px;
}

.footer-contact a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-contact a:hover {
  color: var(--coral-light);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--gray-600);
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-grid {
    gap: 48px;
  }

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

  .about-grid {
    gap: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

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

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(250, 250, 248, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    padding: 24px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .main-nav a {
    padding: 12px 16px;
  }

  .nav-cta {
    margin-left: 0 !important;
    text-align: center;
    margin-top: 8px;
  }

  .hero {
    min-height: auto;
    padding-top: 72px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 0 64px;
  }

  .hero-image {
    order: -1;
  }

  .hero-image-frame {
    border-radius: var(--radius-md);
  }

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

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

  .hero-stats {
    gap: 24px;
  }

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

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

  .about-image-group {
    max-width: 480px;
  }

  .about-image-secondary {
    right: -16px;
    bottom: -16px;
  }

  .about-badge {
    top: -12px;
    left: -12px;
  }

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

  .about-content .section-eyebrow,
  .about-content .section-title {
    text-align: center;
  }

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

  .gallery-item--wide img {
    height: 220px;
  }

  .gallery-item img {
    height: 200px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-form-wrapper {
    padding: 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .stat-divider {
    display: none;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .services,
  .about,
  .gallery,
  .contact {
    padding: 72px 0;
  }
}