/* ============================================
   ROOT VARIABLES
   ============================================ */
:root {
  --color-bg: #F5F2ED;
  --color-dark: #1A2332;
  --color-accent: #B8965A;
  --color-text: #2C2C2C;
  --color-section-alt: #EDEAE4;
  --color-white: #FFFFFF;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;

  --nav-height: 64px;
  --max-width: 1200px;
  --max-width-narrow: 820px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--color-dark);
}

h2 {
  font-size: clamp(1.875rem, 1.4rem + 2vw, 2.75rem);
}

h3 {
  font-size: 1.5rem;
}

p {
  margin: 0 0 1em;
  font-size: 1.0625rem;
}

/* ============================================
   LAYOUT HELPERS
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

main > section,
.service-area {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.04em;
  padding: 14px 32px;
  min-height: 44px;
  border: 2px solid var(--color-accent);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
  text-align: center;
}

.btn-ghost {
  color: var(--color-accent);
  background-color: transparent;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: var(--color-accent);
  color: var(--color-dark);
}

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

.btn-solid:hover,
.btn-solid:focus-visible {
  background-color: transparent;
  color: var(--color-accent);
}

/* ============================================
   NAVIGATION
   ============================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--color-dark);
  z-index: 100;
  transition: box-shadow 0.25s ease;
}

.site-nav.is-scrolled {
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.25);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-brand {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-white);
  letter-spacing: 0.01em;
  margin-right: auto;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.02em;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-white);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-phone {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-accent);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}

.nav-phone:hover,
.nav-phone:focus-visible {
  color: var(--color-white);
}

.nav-book {
  padding: 10px 22px;
  min-height: 40px;
  font-size: 0.9375rem;
  border-width: 1px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  margin-left: auto;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-white);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.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: translateY(-7px) rotate(-45deg);
}

/* Scroll offset so anchored sections clear the fixed nav */
section[id] {
  scroll-margin-top: calc(var(--nav-height) + 8px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--nav-height) 1.5rem 2rem;
  background-image: url('images/hero_shot.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(26, 35, 50, 0.65);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
}

.hero-headline {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-white);
  font-size: clamp(2.5rem, 5vw + 1rem, 5rem);
  line-height: 1.05;
  margin: 0 0 1.25rem;
}

.hero-sub {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-white);
  font-size: clamp(1.0625rem, 0.9rem + 0.6vw, 1.375rem);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.5;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  background-color: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.portrait-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 2px;
}

.about-text h2 {
  margin-top: 0;
}

.credentials {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
}

.credentials li {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-dark);
  padding-left: 14px;
  border-left: 3px solid var(--color-accent);
  line-height: 1.3;
}

/* ============================================
   FLEET
   ============================================ */
.fleet {
  background-color: var(--color-section-alt);
}

.fleet-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.vehicle {
  display: flex;
  flex-direction: column;
}

.vehicle-photo {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: contain;
  background-color: var(--color-bg);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.vehicle-name {
  font-family: var(--font-heading);
  margin: 0 0 0.5rem;
}

.vehicle p {
  margin: 0;
  color: var(--color-text);
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  background-color: var(--color-bg);
  text-align: center;
}

.services .eyebrow {
  text-align: center;
}

.services h2 {
  margin-bottom: 1.5rem;
}

.services p {
  font-size: 1.125rem;
  line-height: 1.7;
}

/* ============================================
   WHY SAMI
   ============================================ */
.why {
  background-color: var(--color-section-alt);
}

.why-list {
  display: grid;
  gap: 2rem;
  max-width: 880px;
  margin: 0 auto;
}

.why-item {
  margin: 0;
  padding: 0.5rem 0 0.5rem 1.5rem;
  border-left: 3px solid var(--color-accent);
}

.why-item p {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.125rem, 0.9rem + 0.6vw, 1.375rem);
  line-height: 1.5;
  color: var(--color-dark);
  margin: 0;
}

/* ============================================
   SERVICE AREA
   ============================================ */
.service-area {
  background-color: var(--color-dark);
  color: var(--color-white);
  text-align: center;
}

.service-area h2 {
  color: var(--color-white);
  margin: 0 0 1rem;
}

.area-cities {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  margin: 0;
  letter-spacing: 0.02em;
}

/* ============================================
   BOOK
   ============================================ */
.book {
  background-color: var(--color-bg);
  text-align: center;
}

.book h2 {
  font-size: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  margin-bottom: 1.5rem;
}

.book-phone {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-accent);
  font-size: clamp(3rem, 2rem + 4vw, 5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  transition: color 0.2s ease;
  min-height: 44px;
}

.book-phone:hover,
.book-phone:focus-visible {
  color: var(--color-dark);
}

.book-note {
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.book-tagline {
  font-size: 1rem;
  color: var(--color-text);
  opacity: 0.8;
  margin: 0 0 2.5rem;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  padding: 1.75rem 1.5rem;
  font-size: 0.875rem;
}

.site-footer p {
  margin: 0;
}

/* ============================================
   BOOK DIALOG
   ============================================ */
.book-dialog {
  border: none;
  border-radius: 4px;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  max-width: 480px;
  width: calc(100% - 2rem);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.book-dialog::backdrop {
  background-color: rgba(26, 35, 50, 0.7);
  backdrop-filter: blur(2px);
}

.book-dialog-inner {
  padding: 2.25rem 2rem 1.75rem;
  text-align: center;
}

.book-dialog-inner h3 {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  margin: 0 0 0.5rem;
  color: var(--color-dark);
}

.book-dialog-sub {
  margin: 0 0 1.5rem;
  color: var(--color-text);
  opacity: 0.75;
  font-size: 0.9375rem;
}

.book-dialog-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.book-dialog-btn {
  width: 100%;
}

.btn-ghost-dark {
  background-color: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}

.btn-ghost-dark:hover,
.btn-ghost-dark:focus-visible {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.book-dialog-close {
  background: transparent;
  border: none;
  color: var(--color-text);
  opacity: 0.6;
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  min-height: 44px;
  letter-spacing: 0.04em;
  transition: opacity 0.2s ease;
}

.book-dialog-close:hover,
.book-dialog-close:focus-visible {
  opacity: 1;
}

/* ============================================
   RESPONSIVE — TABLET & MOBILE
   ============================================ */
@media (max-width: 900px) {
  .nav-inner {
    flex-wrap: wrap;
    align-content: flex-start;
    padding-top: 0;
    padding-bottom: 0;
  }

  .nav-brand {
    margin-right: auto;
    align-self: center;
    height: var(--nav-height);
    display: inline-flex;
    align-items: center;
  }

  .nav-toggle {
    display: flex;
    align-self: center;
    margin-left: 0;
  }

  /* Hide menu items by default on mobile */
  .nav-links,
  .nav-cta {
    display: none;
    width: 100%;
    order: 3;
  }

  .site-nav.is-open {
    height: auto;
  }

  .site-nav.is-open .nav-links,
  .site-nav.is-open .nav-cta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav.is-open .nav-cta {
    padding-top: 0.75rem;
    padding-bottom: 1.25rem;
    gap: 0.75rem;
    align-items: stretch;
  }

  .site-nav.is-open .nav-links a {
    display: block;
    font-size: 1.0625rem;
    padding: 0.85rem 0;
    text-align: center;
  }

  .site-nav.is-open .nav-links a::after {
    display: none;
  }

  .site-nav.is-open .nav-phone {
    justify-content: center;
    font-size: 1.125rem;
    padding: 0.5rem 0;
  }

  .site-nav.is-open .nav-book {
    width: 100%;
  }
}

@media (max-width: 768px) {
  main > section,
  .service-area {
    padding: 48px 0;
  }

  .nav-brand {
    font-size: 1.0625rem;
  }

  .nav-inner {
    padding: 0 1rem;
  }

  .container {
    padding: 0 1.25rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-photo {
    max-width: 420px;
    margin: 0 auto;
  }

  .fleet-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .section-title {
    margin-bottom: 2rem;
  }

  .credentials {
    flex-direction: column;
    gap: 1rem;
  }

  .hero {
    padding: var(--nav-height) 1.25rem 2rem;
  }

  .book-dialog-inner {
    padding: 1.75rem 1.25rem 1.25rem;
  }

  .book-dialog-inner h3 {
    font-size: 1.375rem;
  }
}

@media (max-width: 480px) {
  .nav-brand {
    font-size: 0.9375rem;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.site-credit {
  font-family: 'Libre Baskerville', serif;
  font-size: 0.95rem;
  font-style: italic;
  color: inherit;
  opacity: 0.6;
  text-decoration: none;
  border: 1px solid currentColor;
  padding: 2px 10px;
  border-radius: 2px;
  display: inline-block;
  transition: opacity 0.2s ease;
}

.site-credit:hover {
  opacity: 1;
}