/* ============================================================
   ATLAS CREST MOTORS — Main Stylesheet
   Palette: Deep Navy #0A1628, Amber/Gold #F5A623, White #FFFFFF
   Fonts: Bebas Neue (display), Inter (body)
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand Colors */
  --color-navy:       #0A1628;
  --color-navy-mid:   #0F2040;
  --color-navy-light: #162d58;
  --color-amber:      #F5A623;
  --color-amber-dark: #D4880A;
  --color-amber-dim:  rgba(245, 166, 35, 0.12);
  --color-white:      #FFFFFF;
  --color-off-white:  #F0F2F5;
  --color-gray-light: #CDD3DC;
  --color-gray:       #8B96A4;
  --color-gray-dark:  #4A5568;

  /* Semantic roles */
  --color-bg:           var(--color-navy);
  --color-surface:      var(--color-navy-mid);
  --color-surface-2:    var(--color-navy-light);
  --color-text:         var(--color-off-white);
  --color-text-muted:   var(--color-gray-light);
  --color-text-faint:   var(--color-gray);
  --color-primary:      var(--color-amber);
  --color-primary-dark: var(--color-amber-dark);
  --color-border:       rgba(245, 166, 35, 0.18);
  --color-divider:      rgba(255, 255, 255, 0.06);

  /* Type Scale */
  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl:  clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radii */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.6);
  --shadow-amber: 0 4px 24px rgba(245, 166, 35, 0.25);

  /* Fonts */
  --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', sans-serif;

  /* Content Widths */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1240px;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, picture, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul[role='list'], ol[role='list'] {
  list-style: none;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

::selection {
  background: rgba(245, 166, 35, 0.3);
  color: var(--color-white);
}

:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Automotive Texture Pattern ---------- */
.texture-overlay {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 3px,
      rgba(255,255,255,0.012) 3px,
      rgba(255,255,255,0.012) 6px
    );
  pointer-events: none;
  z-index: 0;
}

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.nav--scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,0.6);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-8);
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

.nav__logo img {
  border-radius: 4px;
  /* Logo has black bg which blends with dark navy nav */
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.4rem);
  letter-spacing: 0.06em;
  color: var(--color-white);
  line-height: 1;
}

.nav__logo-text span {
  color: var(--color-amber);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-1);
  position: relative;
  transition: color var(--transition);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-amber);
  transition: width var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-amber);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__cta {
  background: var(--color-amber);
  color: var(--color-navy) !important;
  padding: var(--space-2) var(--space-5) !important;
  border-radius: var(--radius-sm);
  font-weight: 700 !important;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav__cta::after {
  display: none !important;
}

.nav__cta:hover {
  background: var(--color-amber-dark) !important;
  color: var(--color-navy) !important;
  transform: translateY(-1px);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

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

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-navy-mid);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6) var(--space-8);
    gap: var(--space-4);
  }

  .nav__links.open { display: flex; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-amber);
  color: var(--color-navy);
  border-color: var(--color-amber);
}

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

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}

.btn--outline:hover {
  border-color: var(--color-amber);
  color: var(--color-amber);
  transform: translateY(-2px);
}

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

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

/* ---------- Section Layout ---------- */
.section {
  position: relative;
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-8);
}

.container--narrow {
  max-width: var(--content-default);
  margin: 0 auto;
  padding-inline: var(--space-8);
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-4);
}

.section__label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-amber);
}

.section__heading {
  font-size: var(--text-2xl);
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.section__subheading {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-12);
  line-height: 1.7;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 166, 35, 0.4);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(245,166,35,0.1);
}

/* ---------- Divider ---------- */
.divider {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin-block: 0;
}

/* ---------- Amber Accent Bar ---------- */
.accent-bar {
  width: 56px;
  height: 4px;
  background: var(--color-amber);
  border-radius: 2px;
  margin-bottom: var(--space-6);
}

/* ---------- Page Hero ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 3px,
      rgba(255,255,255,0.01) 3px,
      rgba(255,255,255,0.01) 6px
    );
  pointer-events: none;
}

.page-hero__content {
  position: relative;
  z-index: 1;
}

.page-hero__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.page-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 54ch;
}

/* ---------- Trust Badges ---------- */
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-light);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}

.trust-badge svg {
  color: var(--color-amber);
  flex-shrink: 0;
}

/* ---------- Footer ---------- */
.footer {
  background: #060D18;
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-16) var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  max-width: 36ch;
  margin-top: var(--space-4);
  line-height: 1.7;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-5);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  transition: color var(--transition);
}

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

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}

.footer__contact-item svg {
  flex-shrink: 0;
  color: var(--color-amber);
  margin-top: 2px;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
}

@media (max-width: 600px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}

/* ---------- Forms ---------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-input,
.form-textarea,
.form-select {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
  color: var(--color-white);
  transition: border-color var(--transition), background var(--transition);
  width: 100%;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-faint);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-amber);
  background: rgba(245, 166, 35, 0.05);
}

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

.form-select option {
  background: var(--color-navy-mid);
  color: var(--color-white);
}

/* ---------- Utility ---------- */
.text-amber { color: var(--color-amber); }
.text-muted  { color: var(--color-text-muted); }
.text-faint  { color: var(--color-text-faint); }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .container, .container--narrow { padding-inline: var(--space-5); }
}

/* ---------- Animate on Scroll ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ---------- Amber Glow Divider ---------- */
.amber-line {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-amber), transparent);
  border: none;
  margin: 0;
}

/* ---------- Icon Wrapper ---------- */
.icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--color-amber-dim);
  border: 1px solid rgba(245, 166, 35, 0.25);
  border-radius: var(--radius-md);
  color: var(--color-amber);
  flex-shrink: 0;
}

/* ---------- Stats ---------- */
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-amber);
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}