/* ============================================================
   FACULDADE DOMÍNIO EAD — Design System
   Extraído do Figma: faculdade-domino (ZLCO75yYBfufCTDGPJOJU7)
   ============================================================ */

/* -----------------------------------------------------------
   FONTES (carregar via Google Fonts ou self-hosted)
   ----------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700&family=Manrope:wght@400;600;700;800&display=swap');

/* Articulat CF — adquirir licença separada ou usar fallback */
/* font-family: 'Articulat CF', 'Archivo', sans-serif; */

/* -----------------------------------------------------------
   TOKENS — Cores
   ----------------------------------------------------------- */
:root {
  /* Primárias */
  --color-orange:        #ED5300;
  --color-orange-light:  #F97316;
  --color-red-dark:      #870000;

  /* Gradiente principal (CTAs) */
  --gradient-cta: linear-gradient(107.86deg, #ED5300 2.83%, #870000 79.50%);

  /* Backgrounds */
  --color-bg-page:       #0A0A0A;
  --color-bg-section:    #111111;
  --color-bg-card:       #1A1A1A;
  --color-bg-nav:        rgba(0, 0, 0, 0.29);

  /* Borders */
  --color-border-nav:    rgba(185, 185, 185, 0.27);
  --color-border-orange: #F97316;

  /* Texto */
  --color-text-primary:  #FFFFFF;
  --color-text-muted:    #888888;
  --color-text-subtle:   rgba(255, 255, 255, 0.6);

  /* -----------------------------------------------------------
     TOKENS — Tipografia
     ----------------------------------------------------------- */
  --font-heading:   'Archivo', sans-serif;
  --font-body:      'Manrope', sans-serif;
  --font-label:     'Archivo', sans-serif;

  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;
  --fw-extrabold: 800;

  /* Escala de tamanhos */
  --text-xs:   12px;
  --text-sm:   14px;
  --text-base: 16px;
  --text-lg:   18px;
  --text-xl:   24px;
  --text-2xl:  32px;
  --text-3xl:  40px;
  --text-4xl:  56px;
  --text-5xl:  72px;

  /* Line-heights */
  --lh-tight:  1.1;
  --lh-snug:   1.2;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  /* Letter-spacing */
  --ls-heading: -0.64px;
  --ls-upper:    0.08em;

  /* -----------------------------------------------------------
     TOKENS — Espaçamento
     ----------------------------------------------------------- */
  --space-1:   4px;
  --space-2:   8px;
  --space-3:   12px;
  --space-4:   16px;
  --space-5:   20px;
  --space-6:   24px;
  --space-8:   32px;
  --space-10:  40px;
  --space-12:  48px;
  --space-16:  64px;
  --space-20:  80px;
  --space-24:  96px;
  --space-32: 128px;

  /* -----------------------------------------------------------
     TOKENS — Bordas e Sombras
     ----------------------------------------------------------- */
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-pill: 1000px;

  --blur-nav:    7.6px;

  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(237, 83, 0, 0.25);

  /* -----------------------------------------------------------
     TOKENS — Layout
     ----------------------------------------------------------- */
  --container-max: 1440px;
  --container-inner: 1200px;
  --container-padding: clamp(24px, 5vw, 80px);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--color-bg-page);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-normal);
}

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

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

/* -----------------------------------------------------------
   LAYOUT — Container
   ----------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-inner);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

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

/* -----------------------------------------------------------
   TIPOGRAFIA — Headings
   ----------------------------------------------------------- */
.heading-xl {
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  font-size: clamp(36px, 5vw, var(--text-5xl));
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-heading);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.heading-lg {
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  font-size: clamp(28px, 4vw, var(--text-4xl));
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-heading);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.heading-md {
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  font-size: clamp(22px, 3vw, var(--text-3xl));
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-heading);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.heading-sm {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--text-xl);
  line-height: var(--lh-snug);
  color: var(--color-text-primary);
}

.label {
  font-family: var(--font-label);
  font-weight: var(--fw-medium);
  font-size: var(--text-sm);
  letter-spacing: var(--ls-upper);
  text-transform: uppercase;
  color: var(--color-orange);
}

.body-lg {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-text-subtle);
}

.body-base {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-relaxed);
  color: var(--color-text-subtle);
}

/* -----------------------------------------------------------
   COMPONENTES — Botões
   ----------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: var(--fw-bold);
  font-size: var(--text-lg);
  line-height: 1.2;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

/* Primário — gradiente laranja */
.btn-primary {
  background: var(--gradient-cta);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

/* Secundário — outline laranja */
.btn-outline {
  background: transparent;
  color: #fff;
  border: 3px solid var(--color-border-orange);
}

/* Sólido laranja */
.btn-solid {
  background: var(--color-orange);
  color: #fff;
}

/* -----------------------------------------------------------
   COMPONENTES — Nav
   ----------------------------------------------------------- */
.nav {
  display: flex;
  align-items: center;
  gap: clamp(40px, 7vw, 110px);
  padding: var(--space-4) clamp(24px, 4vw, 48px);
  background: var(--color-bg-nav);
  backdrop-filter: blur(var(--blur-nav));
  -webkit-backdrop-filter: blur(var(--blur-nav));
  border: 1.2px solid var(--color-border-nav);
  border-radius: var(--radius-pill);
}

.nav__logo img {
  height: 34px;
  width: auto;
}

.nav__links {
  display: flex;
  gap: clamp(16px, 2vw, 24px);
  list-style: none;
}

.nav__link {
  font-family: var(--font-label);
  font-weight: var(--fw-medium);
  font-size: var(--text-sm);
  letter-spacing: var(--ls-upper);
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text-primary);
}

/* -----------------------------------------------------------
   COMPONENTES — Cards
   ----------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
}

.card--orange-border {
  border: 1px solid var(--color-orange);
}

/* -----------------------------------------------------------
   COMPONENTES — Badge / Tag
   ----------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background: rgba(237, 83, 0, 0.15);
  color: var(--color-orange);
  font-family: var(--font-label);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-upper);
  text-transform: uppercase;
}

/* -----------------------------------------------------------
   COMPONENTES — Seções
   ----------------------------------------------------------- */
.section {
  padding-block: var(--space-24);
}

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

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

/* -----------------------------------------------------------
   UTILITÁRIOS
   ----------------------------------------------------------- */
.text-orange  { color: var(--color-orange); }
.text-muted   { color: var(--color-text-muted); }
.text-white   { color: var(--color-text-primary); }
.text-upper   { text-transform: uppercase; }
.text-center  { text-align: center; }

.gradient-text {
  background: var(--gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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