/* ================================================================
   RG Serviços em Fachadas — Estilos
   ================================================================
   Sumário:
   1.  Design Tokens (Variáveis)
   2.  Dark Mode
   3.  Reset & Base
   4.  Tipografia
   5.  Layout (Container, Section)
   6.  Botões
   7.  Logo Badge
   8.  Header
   9.  Theme Toggle
   10. Highlight Card
   11. Service Card
   12. Feature Card
   13. Contact Card
   14. Footer
   15. WhatsApp Float
   16. Lightbox
   17. Formulário de Orçamento
   18. Seção — Hero
   19. Seção — Sobre
   20. Seção — Serviços
   21. Seção — Galeria
   22. Seção — Diferenciais
   23. Seção — Contato
   24. Media Queries (Responsivo)
   ================================================================ */

/* 1. Design Tokens (Variáveis)
   ================================================================ */

:root {
  /* Cores primárias (azul profissional #0F4C81) */
  --color-primary-900: #071e35;
  --color-primary-800: #0a3050;
  --color-primary-700: #0e4a7a;
  --color-primary-600: #0f4c81;
  --color-primary-500: #1e6fa8;
  --color-primary-400: #3d8bc2;
  --color-primary-300: #6baad5;
  --color-primary-100: #d6e8f5;
  --color-primary-50: #ecf4fa;

  /* Neutros (cinza grafite) */
  --color-neutral-900: #1f2933;
  --color-neutral-700: #374151;
  --color-neutral-600: #4b5563;
  --color-neutral-500: #6b7280;
  --color-neutral-300: #d1d5db;
  --color-neutral-200: #e5e7eb;
  --color-neutral-100: #f4f6f8;
  --color-neutral-50: #f9fafb;
  --color-white: #ffffff;

  /* WhatsApp */
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #1da851;

  /* Feedback */
  --color-green: #16a34a;
  --color-error: #dc2626;
  --color-error-light: #fef2f2;
  --color-error-border: #fecaca;
  --color-success-light: #f0fdf4;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);

  /* Bordas */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Tipografia */
  --font-family:
    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.85rem;
  --font-size-sm: 0.9rem;
  --font-size-base: 1rem;
  --font-size-md: 1.05rem;
  --font-size-lg: 1.15rem;
  --font-size-xl: 1.2rem;
  --font-size-2xl: 1.6rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --line-height-tight: 1.15;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.65;
  --line-height-loose: 1.7;
  --letter-spacing-tight: -0.3px;
  --letter-spacing-tighter: -0.5px;

  /* Espaçamento */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 24px;
  --space-3xl: 32px;
  --space-4xl: 36px;
  --space-5xl: 40px;
  --space-6xl: 48px;
  --space-7xl: 60px;
  --space-8xl: 80px;

  /* Transições */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.35s ease;

  /* Cor fixa para texto sobre fundos coloridos */
  --color-on-primary: #ffffff;

  /* Superfícies (componentes) */
  --color-header-bg: rgba(255, 255, 255, 0.97);
  --color-footer-bg: var(--color-primary-900);
  --color-card-bg: var(--color-white);
  --color-card-alt-bg: var(--color-neutral-50);
  --color-gallery-bg: var(--color-neutral-100);
  --color-hero-gradient: linear-gradient(
    135deg,
    var(--color-primary-900) 0%,
    var(--color-primary-700) 50%,
    var(--color-primary-500) 100%
  );
  --color-hero-img-border: rgba(255, 255, 255, 0.2);
  --shadow-hero-img: 0 12px 40px rgba(0, 0, 0, 0.35);
  --color-compare-line-bg: rgba(22, 163, 74, 0.85);
  --color-logo-badge-bg: var(--color-primary-800);
  --color-submit-area-bg: rgba(15, 76, 129, 0.06);
  --color-submit-area-border: rgba(15, 76, 129, 0.1);
  --color-submit-glow: rgba(15, 76, 129, 0.25);

  /* Layout */
  --header-height: 72px;
  --container-max: 1140px;
  --container-padding: 20px;

  color-scheme: light;
}

/* 2. Dark Mode
   ================================================================
   Dual-selector para progressive enhancement:
   @media → detecta preferência do sistema
   [data-theme="dark"] → toggle manual via JS
   ================================================================ */

/* --- 2a. Tokens (variáveis) --- */

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --color-primary-900: #d6e8f5;
    --color-primary-800: #93c5fd;
    --color-primary-700: #60a5fa;
    --color-primary-600: #3b82f6;
    --color-primary-500: #3b82f6;
    --color-primary-400: #60a5fa;
    --color-primary-300: #60a5fa;
    --color-primary-100: #172140;
    --color-primary-50: #0f1828;

    --color-neutral-900: #e5e7eb;
    --color-neutral-700: #d1d5db;
    --color-neutral-600: #9ca3af;
    --color-neutral-500: #8b95a5;
    --color-neutral-300: #1f2937;
    --color-neutral-200: #1f2937;
    --color-neutral-100: #111827;
    --color-neutral-50: #111827;
    --color-white: #0b1220;

    --color-on-primary: #ffffff;

    --color-green: #22c55e;
    --color-error-light: rgba(220, 38, 38, 0.1);
    --color-error-border: rgba(220, 38, 38, 0.25);
    --color-success-light: rgba(34, 197, 94, 0.1);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);

    --color-header-bg: rgba(11, 18, 32, 0.95);
    --color-footer-bg: #050c18;
    --color-card-bg: var(--color-neutral-100);
    --color-card-alt-bg: var(--color-neutral-100);
    --color-gallery-bg: var(--color-neutral-200);
    --color-hero-gradient: linear-gradient(
      135deg,
      #050c18 0%,
      #0b1220 50%,
      #111e38 100%
    );
    --color-hero-img-border: rgba(255, 255, 255, 0.12);
    --shadow-hero-img: 0 12px 40px rgba(0, 0, 0, 0.5);
    --color-compare-line-bg: rgba(34, 197, 94, 0.9);
    --color-logo-badge-bg: var(--color-primary-600);
    --color-submit-area-bg: rgba(59, 130, 246, 0.08);
    --color-submit-area-border: rgba(59, 130, 246, 0.15);
    --color-submit-glow: rgba(59, 130, 246, 0.3);

    color-scheme: dark;
  }
}

:root[data-theme='dark'] {
  --color-primary-900: #d6e8f5;
  --color-primary-800: #93c5fd;
  --color-primary-700: #60a5fa;
  --color-primary-600: #3b82f6;
  --color-primary-500: #3b82f6;
  --color-primary-400: #60a5fa;
  --color-primary-300: #60a5fa;
  --color-primary-100: #172140;
  --color-primary-50: #0f1828;

  --color-neutral-900: #e5e7eb;
  --color-neutral-700: #d1d5db;
  --color-neutral-600: #9ca3af;
  --color-neutral-500: #8b95a5;
  --color-neutral-300: #1f2937;
  --color-neutral-200: #1f2937;
  --color-neutral-100: #111827;
  --color-neutral-50: #111827;
  --color-white: #0b1220;

  --color-on-primary: #ffffff;

  --color-green: #22c55e;
  --color-error-light: rgba(220, 38, 38, 0.1);
  --color-error-border: rgba(220, 38, 38, 0.25);
  --color-success-light: rgba(34, 197, 94, 0.1);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);

  --color-header-bg: rgba(11, 18, 32, 0.95);
  --color-footer-bg: #050c18;
  --color-card-bg: var(--color-neutral-100);
  --color-card-alt-bg: var(--color-neutral-100);
  --color-gallery-bg: var(--color-neutral-200);
  --color-hero-gradient: linear-gradient(
    135deg,
    #050c18 0%,
    #0b1220 50%,
    #111e38 100%
  );
  --color-hero-img-border: rgba(255, 255, 255, 0.12);
  --shadow-hero-img: 0 12px 40px rgba(0, 0, 0, 0.5);
  --color-compare-line-bg: rgba(34, 197, 94, 0.9);
  --color-logo-badge-bg: var(--color-primary-600);
  --color-submit-area-bg: rgba(59, 130, 246, 0.08);
  --color-submit-area-border: rgba(59, 130, 246, 0.15);
  --color-submit-glow: rgba(59, 130, 246, 0.3);

  color-scheme: dark;
}

/* --- 2b. Componentes (propriedades que NÃO podem ser resolvidas por variáveis) --- */

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .header__logo {
    color: var(--color-primary-700);
  }
  :root:not([data-theme='light']) .header__logo:hover {
    color: var(--color-primary-600);
  }
  :root:not([data-theme='light']) .header__nav li {
    border-bottom-color: var(--color-neutral-300);
  }
  :root:not([data-theme='light']) .theme-toggle:hover {
    background: var(--color-neutral-200);
  }
  :root:not([data-theme='light']) .service-card:hover {
    border-color: var(--color-primary-600);
  }
  :root:not([data-theme='light']) .quote-form {
    background: var(--color-neutral-100);
  }
  :root:not([data-theme='light']) .quote-form__select {
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239CA3AF' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  }
  :root:not([data-theme='light']) .quote-form__icon {
    color: var(--color-primary-400);
  }
  :root:not([data-theme='light']) .quote-form__success-btn {
    color: var(--color-primary-400);
  }
}

:root[data-theme='dark'] .header__logo {
  color: var(--color-primary-700);
}
:root[data-theme='dark'] .header__logo:hover {
  color: var(--color-primary-600);
}
:root[data-theme='dark'] .header__nav li {
  border-bottom-color: var(--color-neutral-300);
}
:root[data-theme='dark'] .theme-toggle:hover {
  background: var(--color-neutral-200);
}
:root[data-theme='dark'] .service-card:hover {
  border-color: var(--color-primary-600);
}
:root[data-theme='dark'] .quote-form {
  background: var(--color-neutral-100);
}
:root[data-theme='dark'] .quote-form__select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239CA3AF' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
:root[data-theme='dark'] .quote-form__icon {
  color: var(--color-primary-400);
}
:root[data-theme='dark'] .quote-form__success-btn {
  color: var(--color-primary-400);
}

/* 3. Reset & Base
   ================================================================ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--space-sm));
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul,
ol {
  list-style: none;
}

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

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

:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sr-only--focusable:focus {
  position: fixed;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 9999;
  width: auto;
  height: auto;
  padding: var(--space-sm) var(--space-lg);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-primary-600);
  color: var(--color-on-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* 4. Tipografia
   ================================================================ */

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  color: var(--color-neutral-700);
  line-height: var(--line-height-loose);
  background: var(--color-white);
}

a {
  color: var(--color-primary-600);
}

a:hover {
  color: var(--color-primary-500);
}

strong {
  color: var(--color-neutral-900);
  font-weight: var(--font-weight-bold);
}

/* 5. Layout (Container, Section)
   ================================================================ */

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

.section {
  padding-block: var(--space-8xl);
}

.section__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary-900);
  text-align: center;
  margin-bottom: var(--space-md);
  letter-spacing: var(--letter-spacing-tight);
}

.section__subtitle {
  text-align: center;
  color: var(--color-neutral-500);
  font-size: var(--font-size-md);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-6xl);
}

.section--alt {
  background: var(--color-neutral-50);
}

/* 6. Botões
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: 14px var(--space-3xl);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition:
    background var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base),
    color var(--transition-base);
  text-decoration: none;
  line-height: var(--line-height-normal);
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-on-primary);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp .bi {
  font-size: 22px;
  line-height: 1;
}

.btn--whatsapp:hover {
  background: var(--color-whatsapp-dark);
  color: var(--color-on-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* 7. Logo Badge
   ================================================================ */

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-logo-badge-bg);
  color: var(--color-on-primary);
  font-weight: var(--font-weight-extrabold);
  padding: 3px var(--space-sm);
  border-radius: var(--radius-xs);
  margin-right: var(--space-xs);
  font-size: var(--font-size-sm);
  letter-spacing: 1px;
}

.logo-badge--inverted {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-on-primary);
}

/* 8. Header
   ================================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--color-header-bg);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.header__logo {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-800);
  text-decoration: none;
  letter-spacing: var(--letter-spacing-tight);
  white-space: nowrap;
}

.header__logo:hover {
  color: var(--color-primary-700);
}

.header__nav ul {
  display: flex;
  gap: var(--space-3xl);
}

.header__nav a {
  color: var(--color-neutral-600);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  position: relative;
  padding: var(--space-xs) 0;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-600);
  transition: width var(--transition-base);
}

.header__nav a:hover {
  color: var(--color-primary-600);
}

.header__nav a:hover::after {
  width: 100%;
}

.header__toggle {
  display: none;
  background: none;
  border: none;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 1001;
}

.header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-neutral-700);
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition:
    top var(--transition-slow),
    transform var(--transition-slow),
    opacity var(--transition-slow);
}

.header__toggle span:nth-child(1) {
  top: 0;
}
.header__toggle span:nth-child(2) {
  top: 9px;
}
.header__toggle span:nth-child(3) {
  top: 18px;
}

.header__toggle.is-active span:nth-child(1) {
  top: 9px;
  transform: rotate(45deg);
}

.header__toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.header__toggle.is-active span:nth-child(3) {
  top: 9px;
  transform: rotate(-45deg);
}

/* 9. Theme Toggle
   ================================================================ */

.theme-toggle {
  background: none;
  border: none;
  color: var(--color-neutral-600);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  transition:
    color var(--transition-base),
    background var(--transition-base);
  flex-shrink: 0;
}

.theme-toggle:hover {
  color: var(--color-primary-600);
  background: var(--color-neutral-100);
}

.theme-toggle__icon--sun,
.theme-toggle__icon--moon {
  display: none;
}

.theme-toggle__icon--moon {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .theme-toggle__icon--moon {
    display: none;
  }
  :root:not([data-theme='light']) .theme-toggle__icon--sun {
    display: block;
  }
}

:root[data-theme='dark'] .theme-toggle__icon--moon {
  display: none;
}
:root[data-theme='dark'] .theme-toggle__icon--sun {
  display: block;
}
:root[data-theme='light'] .theme-toggle__icon--sun {
  display: none;
}
:root[data-theme='light'] .theme-toggle__icon--moon {
  display: block;
}

/* 10. Highlight Card
   ================================================================ */

.highlight-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  background: var(--color-primary-50);
  padding: var(--space-xl) var(--space-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-primary-300);
}

.highlight-card__icon {
  flex-shrink: 0;
  color: var(--color-primary-600);
  margin-top: 2px;
  font-size: 36px;
  line-height: 1;
}

.highlight-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-900);
  margin-bottom: var(--space-xs);
}

.highlight-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
  line-height: var(--line-height-normal);
}

/* 11. Service Card
   ================================================================ */

.service-card {
  background: var(--color-card-bg);
  padding: var(--space-4xl) var(--space-3xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-neutral-300);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-primary-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-card__icon {
  color: var(--color-primary-600);
  margin-bottom: var(--space-xl);
  font-size: 48px;
  line-height: 1;
}

.service-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-900);
  margin-bottom: var(--space-md);
}

.service-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
  line-height: var(--line-height-relaxed);
}

/* 12. Feature Card
   ================================================================ */

.feature-card {
  padding: var(--space-3xl);
  border-radius: var(--radius-lg);
  background: var(--color-card-alt-bg);
  border: 1px solid var(--color-neutral-300);
  transition:
    background var(--transition-base),
    border-color var(--transition-base);
}

.feature-card:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-300);
}

.feature-card__number {
  font-size: 2.5rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary-300);
  line-height: 1;
  margin-bottom: var(--space-lg);
  transition: color var(--transition-base);
}

.feature-card:hover .feature-card__number {
  color: var(--color-primary-600);
}

.feature-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-900);
  margin-bottom: var(--space-md);
}

.feature-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
  line-height: var(--line-height-relaxed);
}

/* 13. Contact Card
   ================================================================ */

.contact-card {
  background: var(--color-card-bg);
  text-align: center;
  padding: var(--space-4xl) var(--space-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-neutral-300);
}

.contact-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  margin-bottom: var(--space-lg);
  font-size: 28px;
}

.contact-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-900);
  margin-bottom: var(--space-sm);
}

.contact-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
  line-height: var(--line-height-normal);
}

.contact-card__text a {
  color: var(--color-primary-600);
  font-weight: var(--font-weight-semibold);
}

/* 14. Footer
   ================================================================ */

.footer {
  background: var(--color-footer-bg);
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-5xl);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer__logo {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-on-primary);
}

.footer__copy p {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* 15. WhatsApp Float
   ================================================================ */

.whatsapp-float {
  position: fixed;
  bottom: var(--space-2xl);
  right: var(--space-2xl);
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--color-whatsapp);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
  transition:
    background var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.whatsapp-float:hover {
  background: var(--color-whatsapp-dark);
  color: var(--color-on-primary);
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

/* 16. Lightbox
   ================================================================ */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base);
}

.lightbox[hidden] {
  display: flex;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lightbox.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  transition: transform var(--transition-base);
}

.lightbox__caption {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  margin-top: var(--space-lg);
  text-align: center;
}

.lightbox__close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--color-on-primary);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 28px;
  transition: background var(--transition-fast);
  z-index: 2001;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--color-on-primary);
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 32px;
  transition: background var(--transition-fast);
  z-index: 2001;
}

.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox__nav--prev {
  left: var(--space-xl);
}
.lightbox__nav--next {
  right: var(--space-xl);
}

/* 17. Formulário de Orçamento
   ================================================================ */

.quote-form {
  background: var(--color-white);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-lg);
  padding: var(--space-6xl);
  max-width: 680px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
}

.quote-form__header {
  text-align: center;
  margin-bottom: var(--space-5xl);
}

.quote-form__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  margin-bottom: var(--space-lg);
  font-size: 32px;
}

.quote-form__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-sm);
}

.quote-form__desc {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
}

.quote-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.quote-form__group--full {
  grid-column: 1 / -1;
}

.quote-form__group {
  display: flex;
  flex-direction: column;
}

.quote-form__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-sm);
}

.quote-form__label span {
  color: var(--color-neutral-500);
  font-weight: var(--font-weight-regular);
  font-size: var(--font-size-xs);
}

.quote-form__input,
.quote-form__select,
.quote-form__textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-neutral-900);
  background-color: var(--color-white);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  outline: none;
}

.quote-form__input::placeholder,
.quote-form__textarea::placeholder {
  color: var(--color-neutral-500);
}

.quote-form__input:focus,
.quote-form__select:focus,
.quote-form__textarea:focus {
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.1);
}

.quote-form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.quote-form__textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--line-height-relaxed);
}

.quote-form__input--error,
.quote-form__select--error,
.quote-form__textarea--error {
  border-color: var(--color-error);
}

.quote-form__error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
  display: none;
}

.quote-form__error.is-visible {
  display: block;
}

.quote-form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  width: 100%;
  padding: var(--space-lg) var(--space-3xl);
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-primary-600);
  color: var(--color-on-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition:
    background var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
  box-shadow: 0 4px 14px var(--color-submit-glow);
  margin-top: var(--space-lg);
}

.quote-form__submit:hover {
  background: var(--color-primary-500);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--color-submit-glow);
}

.quote-form__submit:active {
  transform: translateY(0);
}

.quote-form__submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.quote-form__group--submit {
  background: var(--color-submit-area-bg);
  border: 1px solid var(--color-submit-area-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-top: var(--space-lg);
}

.quote-form__note {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
  margin-top: var(--space-lg);
  line-height: var(--line-height-relaxed);
}

.quote-form__success {
  text-align: center;
  padding: var(--space-6xl) var(--space-2xl);
}

.quote-form__success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--color-success-light);
  color: var(--color-green);
  margin-bottom: var(--space-2xl);
  font-size: 48px;
}

.quote-form__success-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-md);
}

.quote-form__success-text {
  font-size: var(--font-size-base);
  color: var(--color-neutral-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3xl);
  max-width: 400px;
  margin-inline: auto;
}

.quote-form__success-btn {
  display: inline-block;
  padding: var(--space-md) var(--space-2xl);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-primary-600);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.quote-form__success-btn:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-300);
}

/* 18. Seção — Hero
   ================================================================ */

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: var(--color-hero-gradient);
  padding: 120px 0 var(--space-8xl);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='180' height='180' viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.04' fill-rule='evenodd'%3E%3Cpath d='M18 22c0 3.3-2.7 6-6 6s-6-2.7-6-6c0-5 6-12 6-12s6 7 6 12z'/%3E%3Cpath d='M118 18 L119.5 23.5 L125 25 L119.5 26.5 L118 32 L116.5 26.5 L111 25 L116.5 23.5Z'/%3E%3Cpath d='M128 14 L128.8 16.5 L131 17 L128.8 17.5 L128 20 L127.2 17.5 L125 17 L127.2 16.5Z'/%3E%3Cg transform='rotate(-8 42 72)'%3E%3Crect x='36' y='64' width='12' height='16' rx='1' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1.2'/%3E%3Cline x1='42' y1='64' x2='42' y2='80' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='0.8'/%3E%3Cline x1='36' y1='72' x2='48' y2='72' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='0.8'/%3E%3C/g%3E%3Ccircle cx='152' cy='68' r='7' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1.2'/%3E%3Cellipse cx='149' cy='65' rx='2' ry='1.2' fill='%23ffffff' fill-opacity='0.03' transform='rotate(-30 149 65)'/%3E%3Cpath d='M88 118c0 2.2-1.8 4-4 4s-4-1.8-4-4c0-3.3 4-8 4-8s4 4.7 4 8z' transform='rotate(15 84 114)'/%3E%3Cpath d='M24 148 L25.2 152 L29 153 L25.2 154 L24 158 L22.8 154 L19 153 L22.8 152Z'/%3E%3Ccircle cx='158' cy='142' r='4.5' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3Cellipse cx='156' cy='140' rx='1.3' ry='0.8' fill='%23ffffff' fill-opacity='0.03' transform='rotate(-25 156 140)'/%3E%3Cpath d='M112 162c0 2.5-2 4.5-4.5 4.5s-4.5-2-4.5-4.5c0-4 4.5-9.5 4.5-9.5s4.5 5.5 4.5 9.5z' transform='rotate(-20 107.5 157)'/%3E%3C/g%3E%3C/svg%3E")
    repeat;
}

.hero__fade {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(to top, var(--color-white) 0%, transparent 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: var(--space-6xl);
}

.hero__text {
  flex: 1;
  min-width: 0;
}

.hero__image {
  flex-shrink: 0;
  width: 380px;
  height: 420px;
  border-radius: 40% 60% 55% 45% / 55% 45% 60% 40%;
  overflow: hidden;
  box-shadow: var(--shadow-hero-img);
  border: 4px solid var(--color-hero-img-border);
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-on-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-xl);
  letter-spacing: var(--letter-spacing-tighter);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-4xl);
  max-width: 600px;
}

.hero__contacts {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.hero__contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
  padding: var(--space-xs) 0;
}

.hero__contact-link:hover {
  color: var(--color-on-primary);
}

.hero__contact-link .bi {
  flex-shrink: 0;
  opacity: 0.7;
  font-size: 16px;
}

.hero__contact-link:hover .bi {
  opacity: 1;
}

.hero__contact-divider {
  color: rgba(255, 255, 255, 0.3);
  font-size: var(--font-size-xs);
  user-select: none;
}

/* 19. Seção — Sobre
   ================================================================ */

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6xl);
  align-items: start;
  margin-top: var(--space-5xl);
}

.about__text p {
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-base);
  color: var(--color-neutral-700);
}

.about__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* 20. Seção — Serviços
   ================================================================ */

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

/* 21. Seção — Galeria
   ================================================================ */

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

.gallery__item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3 / 4;
  background: var(--color-gallery-bg);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.gallery__item:hover img {
  transform: scale(1.05);
}

.gallery__item--compare img {
  transform: rotate(-2deg) scale(1.08);
}

.gallery__item--compare:hover img {
  transform: rotate(-2deg) scale(1.12);
}

.gallery__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-3xl) var(--space-lg) var(--space-lg);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
  color: var(--color-on-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.gallery__item:hover .gallery__caption {
  opacity: 1;
}

.gallery__badge {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  padding: 6px 14px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-on-primary);
  border-radius: var(--radius-md);
  pointer-events: none;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.gallery__badge--before {
  right: var(--space-md);
  background: rgba(220, 53, 53, 0.85);
}

.gallery__badge--after {
  left: var(--space-md);
  background: rgba(22, 163, 74, 0.85);
}

.gallery__item--compare::before {
  content: '';
  position: absolute;
  top: 10%;
  bottom: 10%;
  left: 42%;
  width: 4px;
  background: var(--color-compare-line-bg);
  z-index: 2;
  pointer-events: none;
  border-radius: 2px;
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.6),
    0 0 12px rgba(22, 163, 74, 0.5);
}

.gallery__item[data-lightbox]::after {
  content: '';
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  background: rgba(0, 0, 0, 0.45);
  border-radius: var(--radius-full);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='15 3 21 3 21 9'/%3E%3Cpolyline points='9 21 3 21 3 15'/%3E%3Cline x1='21' y1='3' x2='14' y2='10'/%3E%3Cline x1='3' y1='21' x2='10' y2='14'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.gallery__item[data-lightbox]:hover::after {
  opacity: 1;
}

/* 22. Seção — Diferenciais
   ================================================================ */

.features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3xl);
  margin-top: var(--space-6xl);
}

/* 23. Seção — Contato
   ================================================================ */

.contact__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-top: var(--space-6xl);
}

/* 24. Media Queries (Responsivo)
   ================================================================ */

/* --- Tablet (≤ 900px) --- */
@media (max-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr;
  }
  .services__grid {
    grid-template-columns: 1fr;
  }
  .features__grid {
    grid-template-columns: 1fr;
  }
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Mobile (≤ 768px) --- */
@media (max-width: 768px) {
  /* Header mobile */
  .header__toggle {
    display: block;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    background: var(--color-card-bg);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    padding: 90px var(--space-3xl) var(--space-3xl);
    transition: right var(--transition-slow);
    z-index: 999;
  }

  .header__nav.is-open {
    right: 0;
  }
  .header__nav ul {
    flex-direction: column;
    gap: 0;
  }
  .header__nav li {
    border-bottom: 1px solid var(--color-neutral-100);
  }

  .header__nav a {
    display: block;
    padding: var(--space-lg) 0;
    font-size: var(--font-size-base);
  }

  .header__nav a::after {
    display: none;
  }

  /* Hero mobile */
  .hero {
    min-height: 500px;
    padding: 100px 0 var(--space-8xl);
  }

  .hero__content {
    flex-direction: column;
    text-align: center;
  }

  .hero__image {
    width: 260px;
    height: 290px;
    order: -1;
    margin-bottom: var(--space-lg);
  }

  .hero__title {
    font-size: 1.85rem;
  }
  .hero__subtitle {
    font-size: var(--font-size-base);
  }

  .hero__contacts {
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
  }

  .hero__contact-divider {
    display: none;
  }

  /* Seções */
  .section {
    padding-block: var(--space-7xl);
  }
  .section__title {
    font-size: var(--font-size-2xl);
  }

  /* Galeria: 1 coluna */
  .gallery__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* Lightbox mobile */
  .lightbox__nav--prev,
  .lightbox__nav--next {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-lg);
  }

  .lightbox__close {
    top: var(--space-sm);
    right: var(--space-sm);
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  /* Formulário */
  .quote-form {
    padding: var(--space-3xl) var(--space-2xl);
  }
  .quote-form__grid {
    grid-template-columns: 1fr;
  }
  .quote-form__title {
    font-size: var(--font-size-xl);
  }
}

/* --- Small mobile (≤ 480px) --- */
@media (max-width: 480px) {
  .hero__title {
    font-size: var(--font-size-2xl);
  }
  .container {
    padding-inline: var(--space-lg);
  }
  .service-card {
    padding: 28px var(--space-2xl);
  }
  .feature-card {
    padding: var(--space-2xl);
  }
}