/* ============================================================
   Vinetour — Design System (Fase 1)
   Cores extraídas da identidade: laranja vibrante, branco, preto
   ============================================================ */

:root {
  /* --- Cor de marca --- */
  --color-orange-50:  #fff4ec;
  --color-orange-100: #ffe3cc;
  --color-orange-300: #ffab5e;
  --color-orange-500: #ff7a1a; /* laranja principal da marca */
  --color-orange-600: #f2650a;
  --color-orange-700: #cc5308;
  --color-orange-900: #7a3305;

  --color-black:      #17140f;
  --color-charcoal:   #262119;
  --color-white:      #ffffff;
  --color-cream:      #fffaf5; /* fundo levemente quente, evita branco puro */

  --color-gray-100: #f4f1ec;
  --color-gray-300: #ddd6cb;
  --color-gray-500: #9a9184;
  --color-gray-700: #57503f;

  /* --- Papéis semânticos --- */
  --color-bg:            var(--color-black);
  --color-bg-alt:        var(--color-charcoal);
  --color-bg-dark:       var(--color-black);
  --color-text:          var(--color-cream);
  --color-text-muted:    var(--color-gray-300);
  --color-text-on-dark:  var(--color-cream);
  --color-text-on-brand: var(--color-white);
  --color-brand:         var(--color-orange-500);
  --color-brand-hover:   var(--color-orange-600);
  --color-brand-active:  var(--color-orange-700);
  --color-border:        var(--color-gray-300);

  /* Foco em acessibilidade: laranja tem contraste baixo com branco puro em
     texto pequeno — sempre usar --color-orange-700 para texto sobre --color-white,
     e --color-white/--color-cream para texto sobre --color-orange-500/600. */

  /* --- Tipografia --- */
  --font-display: 'Poppins', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Inter', 'Segoe UI', system-ui, sans-serif;

  --fs-xs:   0.8125rem;  /* 13px */
  --fs-sm:   0.9375rem;  /* 15px */
  --fs-base: 1rem;       /* 16px */
  --fs-md:   1.125rem;   /* 18px */
  --fs-lg:   1.375rem;   /* 22px */
  --fs-xl:   1.75rem;    /* 28px */
  --fs-2xl:  2.25rem;    /* 36px */
  --fs-3xl:  3rem;       /* 48px */

  --lh-tight:  1.15;
  --lh-snug:   1.35;
  --lh-normal: 1.6;

  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;

  /* --- Espaçamento (escala em rem, base 8px) --- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-7:  3rem;
  --space-8:  4rem;
  --space-9:  6rem;

  /* --- Layout --- */
  --container-max: 1180px;
  --container-pad: var(--space-4);

  /* --- Forma / profundidade --- */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 3px rgba(23, 20, 15, 0.08);
  --shadow-md: 0 8px 24px rgba(23, 20, 15, 0.12);
  --shadow-brand: 0 8px 24px rgba(255, 122, 26, 0.35);

  --transition-base: 200ms ease;
}

/* ============================================================
   Reset básico
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
  font-weight: var(--fw-semibold);
  margin: 0 0 var(--space-4);
  color: var(--color-text-on-dark);
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }

p {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
}

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

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

button {
  font-family: inherit;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ============================================================
   Utilitários de layout
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-8);
  scroll-margin-top: 5rem;
}

#sobre,
#hero {
  scroll-margin-top: 5rem;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-6);
}

.section-eyebrow {
  display: inline-block;
  color: var(--color-brand);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.grid {
  display: grid;
  gap: var(--space-5);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ============================================================
   Componentes base
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--color-brand);
  color: var(--color-text-on-brand);
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
  background-color: var(--color-brand-hover);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-text-on-dark);
  color: var(--color-text-on-dark);
}

.btn-outline:hover {
  background-color: var(--color-text-on-dark);
  color: var(--color-black);
}

.card {
  background-color: var(--color-charcoal);
  border: 1px solid var(--color-gray-700);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
}

/* ============================================================
   Breakpoints (mobile-first)
   --------------------------------------------------------------
   base:   até 599px   (mobile)
   --bp-sm: 600px+      (mobile grande / tablet retrato)
   --bp-md: 768px+      (tablet)
   --bp-lg: 1024px+     (desktop)
   --bp-xl: 1280px+     (desktop grande)
   ============================================================ */

@media (min-width: 600px) {
  :root { --container-pad: var(--space-5); }
}

@media (min-width: 768px) {
  :root { --fs-3xl: 3.5rem; }
}

@media (min-width: 1024px) {
  :root {
    --container-pad: var(--space-6);
    --fs-2xl: 2.5rem;
  }
}

/* ============================================================
   Skip link (acessibilidade)
   ============================================================ */

.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -3rem;
  z-index: 100;
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: var(--space-3);
}

/* ============================================================
   Header / Navegação
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-black);
  border-bottom: 1px solid var(--color-gray-700);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--color-black);
}

.brand__logo {
  display: block;
  height: 2.75rem;
  width: auto;
  object-fit: contain;
  mix-blend-mode: screen;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text-on-dark);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-nav {
  position: fixed;
  inset: 4.25rem var(--space-4) auto var(--space-4);
  background-color: var(--color-charcoal);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.site-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.site-nav__list a {
  color: var(--color-text-on-dark);
  font-weight: var(--fw-medium);
}

.site-nav__list a:hover {
  color: var(--color-brand);
}

.nav-cta {
  width: 100%;
}

@media (min-width: 1024px) {
  .site-header__inner {
    padding-block: var(--space-2);
  }

  .brand__logo {
    height: 3.5rem;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    inset: auto;
    background: none;
    box-shadow: none;
    padding: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    flex-direction: row;
    align-items: center;
    gap: var(--space-6);
  }

  .site-nav__list {
    flex-direction: row;
    gap: var(--space-5);
  }

  .nav-cta {
    width: auto;
  }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding-block: var(--space-7) var(--space-8);
  background: linear-gradient(180deg, #2d1b10 0%, var(--color-black) 65%);
}

.hero__inner {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

.hero__title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-4);
}

.hero__subtitle {
  font-size: var(--fs-md);
  max-width: 46ch;
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__media {
  max-width: 26rem;
  margin-inline: auto;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-brand);
}

.hero__media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 1024px) {
  .hero__media {
    max-width: none;
    margin-inline: 0;
  }
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--fs-3xl);
  }
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

/* ============================================================
   Sobre / Nossa História
   ============================================================ */

.about__text {
  max-width: 72ch;
  margin-inline: auto;
}

.about__quote {
  margin: var(--space-6) 0;
  padding: var(--space-5) var(--space-6);
  border-left: 4px solid var(--color-brand);
  background-color: #2d241c;
  border-radius: var(--radius-md);
}

.about__quote p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-md);
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-3);
}

.about__quote cite {
  display: block;
  font-style: normal;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  color: var(--color-brand-active);
}

.about__closing {
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  color: var(--color-text-on-dark);
  font-size: var(--fs-md);
}

/* ============================================================
   Frota
   ============================================================ */

.section-subtitle {
  max-width: 50ch;
  margin-inline: auto;
}

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

.fleet-card {
  text-align: center;
}

.fleet-gallery {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  background-color: var(--color-black);
  overflow: hidden;
}

.fleet-gallery__track {
  display: flex;
  height: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  scroll-behavior: smooth;
}

.fleet-gallery__track::-webkit-scrollbar { display: none; }

.fleet-gallery__track img {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  scroll-snap-align: start;
}

.fleet-gallery__button {
  position: absolute;
  top: 50%;
  z-index: 1;
  width: 2.25rem;
  height: 2.25rem;
  border: 0;
  border-radius: 50%;
  background: rgba(23, 20, 15, 0.78);
  color: var(--color-white);
  font-size: var(--fs-xl);
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
}

.fleet-gallery__button--prev { left: var(--space-2); }
.fleet-gallery__button--next { right: var(--space-2); }
.fleet-gallery__button:focus-visible { outline: 2px solid var(--color-brand); outline-offset: 2px; }

.fleet-gallery__counter {
  position: absolute;
  right: var(--space-2);
  bottom: var(--space-2);
  margin: 0;
  padding: 0.125rem var(--space-2);
  border-radius: var(--radius-pill);
  background: rgba(23, 20, 15, 0.78);
  color: var(--color-white);
  font-size: var(--fs-xs);
}

.fleet-card__capacity {
  display: inline-block;
  color: var(--color-brand-active);
  font-weight: var(--fw-semibold);
  background-color: var(--color-orange-100);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .fleet-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ============================================================
   Serviços
   ============================================================ */

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

.service-card {
  text-align: center;
}

.service-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-orange-100);
  font-size: var(--fs-xl);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   Fretamento corporativo, tecnologia e atendimento
   ============================================================ */

.corporate {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

.corporate__intro h2,
.technology__intro h2 {
  max-width: 18ch;
}

.corporate__lead {
  color: var(--color-text-on-dark);
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  margin-bottom: 0;
}

.corporate__content {
  max-width: 62ch;
}

.corporate__content p:last-child,
.technology__intro p:last-child {
  margin-bottom: 0;
}

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

.benefit-card {
  padding: var(--space-5);
}

.benefit-card h3 {
  font-size: var(--fs-md);
  margin-bottom: var(--space-2);
}

.benefit-card p {
  font-size: var(--fs-sm);
  margin-bottom: 0;
}

.benefit-card__icon,
.sac-contact__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 2.5rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-orange-100);
  color: var(--color-orange-900);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-3);
}

.technology {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.technology__intro {
  max-width: 62ch;
}

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

.technology__points li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 3.5rem;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-700);
  border-radius: var(--radius-md);
  color: var(--color-text-on-dark);
  font-weight: var(--fw-medium);
}

.technology__points li::before {
  content: '✓';
  color: var(--color-brand);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
}

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

.regulation-badge {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 9rem;
  padding: var(--space-5);
  border: 1px solid var(--color-gray-700);
  border-radius: var(--radius-md);
  background-color: var(--color-charcoal);
  text-align: center;
}

.regulation-badge strong {
  color: var(--color-brand);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  letter-spacing: 0.04em;
}

.regulation-badge span {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-snug);
}

.regulations__note {
  max-width: 76ch;
  margin: var(--space-6) auto 0;
  text-align: center;
}

.sac__subtitle {
  color: var(--color-text-on-dark);
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-3);
}

.sac__contacts {
  display: grid;
  gap: var(--space-4);
  max-width: 760px;
  margin-inline: auto;
}

.sac-contact {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: 6.5rem;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-gray-700);
  border-radius: var(--radius-md);
  background-color: var(--color-black);
  color: var(--color-text-on-dark);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.sac-contact:hover {
  border-color: var(--color-brand);
  transform: translateY(-2px);
}

.sac-contact__icon {
  margin-bottom: 0;
}

.sac-contact strong,
.sac-contact small {
  display: block;
}

.sac-contact strong {
  color: var(--color-text-on-dark);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
}

.sac-contact small {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.btn:focus-visible,
.site-nav__list a:focus-visible,
.footer__list a:focus-visible,
.sac-contact:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
}

@media (min-width: 640px) {
  .benefits-grid,
  .regulations__badges,
  .sac__contacts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .corporate,
  .technology {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .technology__points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .regulations__badges {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ============================================================
   Formulário de pré-reserva
   ============================================================ */

.booking-form {
  max-width: 760px;
  margin-inline: auto;
}

.booking-form__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: minmax(0, 1fr);
  margin-bottom: var(--space-5);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.form-field label {
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
  color: var(--color-text-on-dark);
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-black);
  color: var(--color-text);
  color-scheme: dark;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--color-gray-500);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-brand);
  outline-offset: 1px;
}

.form-field textarea {
  resize: vertical;
}

.booking-form__submit {
  width: 100%;
}

@media (min-width: 640px) {
  .booking-form__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-field--full {
    grid-column: 1 / -1;
  }

  .booking-form__submit {
    width: auto;
  }
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  background-color: var(--color-black);
  color: var(--color-text-on-dark);
}

.footer__inner {
  padding-block: var(--space-8);
  display: grid;
  gap: var(--space-6);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__brand .brand__logo {
  height: 3.75rem;
}

.footer__summary {
  color: var(--color-gray-300);
  max-width: 40ch;
  margin: 0;
}

.footer__col {
  min-width: 0;
}

.footer__heading {
  color: var(--color-text-on-dark);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__list a,
.footer__list li {
  color: var(--color-gray-300);
}

.footer__list a:hover {
  color: var(--color-orange-300);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-block: var(--space-4);
}

.footer__bottom p {
  margin: 0;
  color: var(--color-gray-300);
  font-size: var(--fs-xs);
  text-align: center;
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}