/* ============================================
   ChronoVault - Luxury Watch Buying Service
   Black & Gold Premium Design
   ============================================ */

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

:root {
  --black: #0a0a0a;
  --black-light: #111111;
  --black-card: #141414;
  --black-border: #1e1e1e;
  --gold: #c9a96e;
  --gold-light: #e8d5a3;
  --gold-dark: #a88a50;
  --white: #f0ece4;
  --white-pure: #ffffff;
  --gray: #8a8a8a;
  --gray-light: #b0b0b0;
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', 'Noto Sans SC', sans-serif;
  --radius: 6px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--black);
  color: var(--white);
  line-height: 1.7;
  font-weight: 300;
  overflow-x: hidden;
}

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

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

select, input, textarea {
  font-family: var(--font-body);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gold-text {
  color: var(--gold);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(201, 169, 110, 0.3);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(240, 236, 228, 0.3);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-full {
  width: 100%;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s ease;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--black-border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
}

.logo-icon {
  color: var(--gold);
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-light);
  transition: color var(--transition);
}

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

.nav-cta {
  padding: 10px 24px;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--black);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: all var(--transition);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 100px 0 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.75) 0%,
    rgba(10, 10, 10, 0.6) 30%,
    rgba(10, 10, 10, 0.85) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 24px;
}

.hero-content--prices {
  max-width: 960px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid rgba(201, 169, 110, 0.4);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--white-pure);
}

.hero-sub {
  font-size: 16px;
  font-weight: 300;
  color: var(--gray-light);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero-sub strong {
  color: var(--gold);
  font-weight: 500;
}

/* Hero Price Cards Grid */
.hero-prices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.hero-price-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: rgba(20, 20, 20, 0.8);
  border: 1px solid rgba(201, 169, 110, 0.15);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  text-align: left;
}

.hero-price-card:hover {
  border-color: rgba(201, 169, 110, 0.4);
  background: rgba(20, 20, 20, 0.95);
  transform: translateY(-2px);
}

.hero-price-card img {
  width: 56px;
  height: 56px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
}

.hero-price-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.hero-price-brand {
  font-size: 12px;
  font-weight: 500;
  color: var(--white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.hero-price-market {
  font-size: 11px;
  color: var(--gray);
  text-decoration: line-through;
}

.hero-price-offer {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
  line-height: 1.3;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

/* --- Brands Section --- */
.brands {
  padding: 80px 0;
  border-top: 1px solid var(--black-border);
  border-bottom: 1px solid var(--black-border);
  background: var(--black-light);
}

.brands-label {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 40px;
}

.brands-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.brand-item {
  padding: 12px 28px;
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 400;
  color: var(--gray-light);
  letter-spacing: 0.02em;
  transition: all var(--transition);
}

.brand-item:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201, 169, 110, 0.05);
}

/* --- Watch Price Showcase --- */
.showcase {
  padding: 120px 0;
  background: var(--black);
}

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

.showcase-card {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.4s ease;
}

.showcase-card:hover {
  border-color: rgba(201, 169, 110, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.showcase-img {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--black);
}

.showcase-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.showcase-card:hover .showcase-img img {
  transform: scale(1.08);
}

.showcase-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 3px;
}

.showcase-info {
  padding: 20px;
}

.showcase-brand {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
  display: block;
}

.showcase-info h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--white-pure);
  margin-bottom: 6px;
  line-height: 1.3;
}

.showcase-spec {
  font-size: 12px;
  color: var(--gray);
  display: block;
  margin-bottom: 16px;
}

.showcase-prices {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--black-border);
}

.showcase-market {
  font-size: 13px;
  color: var(--gray);
  text-decoration: line-through;
  text-decoration-color: rgba(138, 138, 138, 0.4);
}

.showcase-offer {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.showcase-cta {
  display: block;
  width: 100%;
  padding: 12px;
  text-align: center;
  border: 1px solid rgba(201, 169, 110, 0.3);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  transition: all var(--transition);
}

.showcase-cta:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.showcase-footer {
  text-align: center;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--black-border);
}

.showcase-footer p {
  font-size: 14px;
  color: var(--gray);
}

.showcase-footer a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.showcase-footer a:hover {
  color: var(--gold-light);
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--white-pure);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 16px;
  color: var(--gray);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.8;
}

/* --- Why Us / Features --- */
.why-us {
  padding: 120px 0;
  background: var(--black);
}

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

.feature-card {
  padding: 40px;
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  transition: all 0.4s ease;
}

.feature-card:hover {
  border-color: rgba(201, 169, 110, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: rgba(201, 169, 110, 0.08);
  color: var(--gold);
  margin-bottom: 24px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--white-pure);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
}

/* --- Process Section --- */
.process {
  padding: 120px 0;
  background: var(--black-light);
}

.process-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.process-card {
  flex: 1;
  max-width: 340px;
  text-align: center;
  padding: 0 16px;
}

.process-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 600;
  color: var(--gold);
  opacity: 0.3;
  margin-bottom: 20px;
}

.process-img {
  width: 100%;
  height: 200px;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid var(--black-border);
}

.process-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.process-card:hover .process-img img {
  transform: scale(1.05);
}

.process-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--white-pure);
  margin-bottom: 12px;
}

.process-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

.process-connector {
  display: flex;
  align-items: center;
  padding-top: 120px;
  color: var(--gold);
  opacity: 0.4;
}

/* --- Testimonials --- */
.testimonials {
  padding: 120px 0;
  background: var(--black);
}

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

.testimonial-card {
  padding: 36px;
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  transition: all 0.4s ease;
}

.testimonial-card:hover {
  border-color: rgba(201, 169, 110, 0.2);
}

.testimonial-stars {
  color: var(--gold);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.testimonial-text {
  font-size: 15px;
  font-style: italic;
  color: var(--gray-light);
  line-height: 1.8;
  margin-bottom: 28px;
  font-family: var(--font-display);
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--black-border);
}

.author-info strong {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
}

.author-info span {
  font-size: 12px;
  color: var(--gray);
}

.author-watch {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
}

/* --- Sell / Form Section --- */
.sell {
  padding: 120px 0;
  background: var(--black-light);
}

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

.sell-info .section-tag {
  text-align: left;
}

.sell-info .section-title {
  text-align: left;
}

.sell-desc {
  font-size: 16px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 36px;
}

.sell-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sell-benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--gray-light);
}

.sell-benefits li svg {
  color: var(--gold);
  flex-shrink: 0;
}

.sell-form {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  padding: 40px;
}

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

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

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--black);
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 15px;
  transition: border-color var(--transition);
  outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a8a8a' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-note {
  text-align: center;
  font-size: 12px;
  color: var(--gray);
  margin-top: 16px;
}

/* --- FAQ Section --- */
.faq {
  padding: 120px 0;
  background: var(--black);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

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

.faq-item summary {
  padding: 24px 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 24px;
  color: var(--gold);
  font-weight: 300;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  color: var(--gold);
}

.faq-item p {
  padding: 0 0 24px;
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
}

/* --- Footer --- */
.footer {
  padding: 80px 0 40px;
  background: var(--black-light);
  border-top: 1px solid var(--black-border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--gray);
  margin-top: 16px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 12px;
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--black-border);
}

.footer-bottom p {
  font-size: 13px;
  color: var(--gray);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 13px;
  color: var(--gray);
}

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

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  max-width: 440px;
  width: 90%;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(201, 169, 110, 0.1);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--gold);
  margin: 0 auto 24px;
}

.modal h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  color: var(--white-pure);
  margin-bottom: 12px;
}

.modal p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 32px;
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Stagger children */
.features-grid .fade-up:nth-child(2) { transition-delay: 0.1s; }
.features-grid .fade-up:nth-child(3) { transition-delay: 0.2s; }
.features-grid .fade-up:nth-child(4) { transition-delay: 0.3s; }

.showcase-grid .fade-up:nth-child(2) { transition-delay: 0.08s; }
.showcase-grid .fade-up:nth-child(3) { transition-delay: 0.16s; }
.showcase-grid .fade-up:nth-child(4) { transition-delay: 0.24s; }
.showcase-grid .fade-up:nth-child(5) { transition-delay: 0.32s; }
.showcase-grid .fade-up:nth-child(6) { transition-delay: 0.4s; }

.testimonial-grid .fade-up:nth-child(2) { transition-delay: 0.1s; }
.testimonial-grid .fade-up:nth-child(3) { transition-delay: 0.2s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-prices-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

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

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

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

  .testimonial-grid .testimonial-card:nth-child(3) {
    grid-column: span 2;
    max-width: 400px;
    margin: 0 auto;
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--black-card);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: right 0.3s ease;
    border-left: 1px solid var(--black-border);
    overflow-y: auto;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }

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

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
  }

  /* Hero mobile */
  .hero {
    padding: 80px 0 40px;
    min-height: auto;
  }

  .hero-title {
    font-size: clamp(26px, 7vw, 36px);
    margin-bottom: 12px;
  }

  .hero-sub {
    font-size: 14px;
    margin-bottom: 24px;
  }

  .hero-badge {
    font-size: 10px;
    padding: 6px 14px;
    margin-bottom: 16px;
  }

  .hero-prices-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 24px;
  }

  .hero-price-card {
    padding: 8px;
    gap: 8px;
  }

  .hero-price-card img {
    width: 44px;
    height: 44px;
  }

  .hero-price-brand {
    font-size: 11px;
  }

  .hero-price-market {
    font-size: 10px;
  }

  .hero-price-offer {
    font-size: 13px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
  }

  .hero-actions .btn {
    width: 100%;
    padding: 14px 24px;
  }

  /* Sections mobile */
  .why-us,
  .process,
  .testimonials,
  .sell,
  .faq,
  .showcase {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-title {
    font-size: clamp(24px, 6vw, 32px);
  }

  .showcase-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 28px;
  }

  .process-grid {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .process-connector {
    padding-top: 0;
    transform: rotate(90deg);
  }

  .process-card {
    max-width: 100%;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .testimonial-grid .testimonial-card:nth-child(3) {
    grid-column: auto;
    max-width: none;
  }

  .testimonial-card {
    padding: 24px;
  }

  .sell-wrapper {
    gap: 32px;
  }

  .sell-info .section-title {
    font-size: clamp(24px, 6vw, 32px);
  }

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

  .sell-form {
    padding: 24px;
  }

  .faq-item summary {
    font-size: 16px;
    padding: 20px 0;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .brands-grid {
    gap: 8px;
  }

  .brand-item {
    padding: 8px 16px;
    font-size: 12px;
  }

  .brands {
    padding: 48px 0;
  }

  .footer {
    padding: 48px 0 32px;
  }
}

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

  .hero-prices-grid {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .hero-price-card {
    padding: 6px;
    gap: 6px;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-price-card img {
    width: 100%;
    height: 80px;
    border-radius: 3px;
  }

  .hero-price-info {
    width: 100%;
  }

  .hero-price-brand {
    font-size: 10px;
  }

  .hero-price-offer {
    font-size: 12px;
  }

  .sell-form {
    padding: 20px;
  }

  .feature-card {
    padding: 24px;
  }

  .testimonial-card {
    padding: 20px;
  }

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

  .showcase-info {
    padding: 16px;
  }

  .showcase-offer {
    font-size: 18px;
  }
}