/* ============================================================
   GRAND MOTORS — Premium Car Dealership
   styles.css
   ============================================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
  --black:       #0a0a0a;
  --dark:        #111111;
  --dark-card:   #181818;
  --mid-dark:    #1f1f1f;
  --border:      #2a2a2a;
  --gold:        #c9a84c;
  --gold-light:  #e2c56c;
  --gold-dim:    rgba(201, 168, 76, 0.15);
  --white:       #ffffff;
  --white-80:    rgba(255,255,255,0.80);
  --white-40:    rgba(255,255,255,0.40);
  --white-10:    rgba(255,255,255,0.08);
  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;
  --transition:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius:      6px;
  --radius-lg:   12px;
  --shadow-card: 0 8px 40px rgba(0,0,0,0.55);
  --shadow-hover:0 16px 60px rgba(0,0,0,0.7);
}

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

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

/* ---------- CONTAINER ---------- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- SECTION HEADER ---------- */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--white-40);
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- BUTTONS ---------- */
.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201,168,76,0.35);
}
.btn-outline {
  display: inline-block;
  padding: 14px 36px;
  border: 1px solid var(--white-40);
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover {
  border-color: var(--gold);
  background: var(--gold-dim);
  color: var(--gold-light);
}
.btn-full { width: 100%; text-align: center; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(10,10,10,0.97);
  padding: 14px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.6);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-shrink: 0;
}
.logo-grand {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.logo-motors {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.08em;
}
.nav-links {
  display: flex;
  gap: 36px;
  margin-left: auto;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-80);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }
.nav-phone {
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color var(--transition);
}
.nav-phone:hover { color: var(--gold-light); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: url('https://images.unsplash.com/photo-1555215695-3004980ad54e?w=1800&q=80') center/cover no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0,0,0,0.88) 0%,
    rgba(0,0,0,0.60) 50%,
    rgba(0,0,0,0.75) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  padding: 0 24px;
  animation: heroFadeIn 1s ease forwards;
}
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-tagline {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(52px, 9vw, 96px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.06em;
  line-height: 1;
  margin-bottom: 20px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--white-80);
  font-weight: 300;
  margin-bottom: 36px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}
.hero-badges span {
  font-size: 13px;
  font-weight: 500;
  color: var(--gold-light);
  letter-spacing: 0.04em;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll-hint span {
  display: block;
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}

/* ============================================================
   CARS SECTION
   ============================================================ */
.cars-section {
  padding: 120px 0;
  background: var(--dark);
}

/* Loading */
.loading-spinner {
  grid-column: 1/-1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 80px 0;
  color: var(--white-40);
  font-size: 14px;
}
.spinner {
  width: 40px; height: 40px;
  border: 2px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Cars grid */
.cars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

/* Car card */
.car-card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  animation: cardIn 0.5s ease both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.car-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--gold);
}
.car-image-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--mid-dark);
}
.car-image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.car-card:hover .car-image-wrap img {
  transform: scale(1.06);
}
.car-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 50%);
}
.car-body {
  padding: 22px 24px 24px;
}
.car-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
}
.car-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}
.car-meta-item {
  font-size: 12px;
  color: var(--white-40);
  display: flex;
  align-items: center;
  gap: 4px;
}
.car-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.car-price {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--gold);
}
.car-btn {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-80);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.car-btn:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: var(--gold-dim);
}

/* No cars */
.no-cars {
  grid-column: 1/-1;
  text-align: center;
  padding: 80px 0;
  color: var(--white-40);
}
.no-cars p { font-size: 16px; }

/* ============================================================
   ADVANTAGES
   ============================================================ */
.advantages {
  padding: 120px 0;
  background: var(--black);
}
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.adv-card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.adv-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(201,168,76,0.12);
}
.adv-icon {
  width: 52px; height: 52px;
  color: var(--gold);
  margin-bottom: 20px;
}
.adv-icon svg { width: 100%; height: 100%; }
.adv-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}
.adv-card p {
  font-size: 14px;
  color: var(--white-40);
  line-height: 1.7;
}

/* ============================================================
   CONTACTS
   ============================================================ */
.contacts {
  padding: 120px 0;
  background: var(--dark);
}
.contacts-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contacts-desc {
  font-size: 16px;
  color: var(--white-40);
  line-height: 1.8;
  margin-bottom: 40px;
}
.contacts-desc strong { color: var(--gold); font-weight: 600; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.contact-item:hover { border-color: var(--gold); }
.contact-icon {
  width: 40px; height: 40px;
  background: var(--gold-dim);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--gold);
}
.contact-icon svg { width: 18px; height: 18px; }
.contact-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-40);
  margin-bottom: 2px;
}
.contact-value {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}
.contacts-card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contacts-card h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 28px;
  color: var(--white);
}
.form-group { margin-bottom: 16px; }
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--mid-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--white);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--white-40); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--gold); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}
.footer-logo {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-logo .logo-grand { font-size: 18px; }
.footer-logo .logo-motors { font-size: 18px; }
.footer-logo p {
  font-size: 12px;
  color: var(--white-40);
  margin-top: 4px;
}
.footer-links {
  display: flex;
  gap: 28px;
}
.footer-links a {
  font-size: 13px;
  color: var(--white-40);
  letter-spacing: 0.08em;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--gold); }
.footer-contact {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-contact a {
  font-size: 16px;
  font-weight: 600;
  color: var(--gold);
}
.footer-contact p {
  font-size: 12px;
  color: var(--white-40);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  backdrop-filter: blur(6px);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition);
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: var(--mid-dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  transition: background var(--transition), color var(--transition);
  color: var(--white-80);
}
.modal-close svg { width: 16px; height: 16px; }
.modal-close:hover { background: var(--gold); color: var(--black); }
.modal-gallery {
  height: 100%;
  min-height: 360px;
  background: var(--mid-dark);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  overflow: hidden;
}
.modal-gallery img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.modal-info {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.modal-info h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--white);
}
.modal-price {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--gold);
}
.modal-desc {
  font-size: 14px;
  color: var(--white-40);
  line-height: 1.75;
}
.modal-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}
.spec-item {
  background: var(--mid-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.spec-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-40);
  margin-bottom: 4px;
}
.spec-value {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}
.modal-cta { margin-top: 8px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .contacts-inner { grid-template-columns: 1fr; gap: 48px; }
  .modal { grid-template-columns: 1fr; }
  .modal-gallery { min-height: 260px; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
}
@media (max-width: 700px) {
  .nav-links { display: none; }
  .cars-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-contact { text-align: left; }
  .hero-title { font-size: clamp(40px, 12vw, 64px); }
}
@media (max-width: 480px) {
  .contacts-card { padding: 24px; }
  .modal-info { padding: 24px 20px; }
  .modal-specs { grid-template-columns: 1fr; }
}