/* ============================================================
   LINK DOG — ESTILOS GLOBAIS · Tema Light
   ============================================================ */

@import url('tokens.css');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: var(--navbar-height);
}

body {
  background-color: var(--color-bg);       /* #FFFFFF */
  color: var(--color-text);                /* #1A1A2E */
  font-family: var(--font-body);
  font-size: 1.0625rem;                    /* 17px — padrão Cobasi/Petz */
  line-height: var(--leading-normal);
}

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

/* --- TIPOGRAFIA BASE --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

/* Títulos de seção — impacto visual 32–56px */
.tecnologia__title,
.depoimentos__title,
.pro__title,
.checkout__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);     /* 32px → 56px */
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

/* Subtítulos e parágrafos de seção — 18px legível */
.tecnologia__subtitle,
.depoimentos__subtitle,
.pro__description,
.checkout__subtitle,
.institucional__body,
.hero__subheadline {
  font-size: 1.125rem;                        /* 18px */
  line-height: var(--leading-relaxed);
}

p {
  font-family: var(--font-body);
  font-size: 1.0625rem;                    /* 17px — herda base do body */
  line-height: var(--leading-normal);
  color: var(--color-text-muted);
}

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

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

/* ============================================================
   BOTÕES — Light Mode D2C
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border: none;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-size: var(--size-md);
  font-weight: var(--weight-bold);
  letter-spacing: 0.03em;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    transform        var(--transition-fast),
    box-shadow       var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}

/* CTA Principal — Turquesa sólido, texto branco */
.btn-primary {
  background-color: var(--color-teal);
  color: #FFFFFF;
  box-shadow: var(--shadow-teal);
}

.btn-primary:hover {
  background-color: var(--color-teal-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 180, 166, 0.35);
}

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

/* Secundário — outline turquesa */
.btn-secondary {
  background: transparent;
  color: var(--color-teal);
  border: 1.5px solid var(--color-teal);
}

.btn-secondary:hover {
  background-color: var(--color-teal);
  color: #FFFFFF;
  transform: translateY(-2px);
}

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

/* Tamanhos */
.btn-sm  { padding: var(--space-2) var(--space-5); font-size: var(--size-sm); }
.btn-lg  { padding: 1rem var(--space-10); font-size: var(--size-lg); }
.btn-xl  { padding: 1.125rem var(--space-12); font-size: var(--size-xl); }
.btn-block { width: 100%; }

/* --- BADGE --- */
.badge {
  display: inline-block;
  padding: 3px var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--size-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.badge-gold {
  background: rgba(212, 160, 23, 0.1);
  color: var(--color-gold);
  border: 1px solid rgba(212, 160, 23, 0.3);
}

.badge-teal {
  background: rgba(0, 180, 166, 0.1);
  color: var(--color-teal);
  border: 1px solid rgba(0, 180, 166, 0.3);
}

/* --- SEPARADORES --- */
.divider-gold {
  width: 40px;
  height: 2px;
  background: var(--color-gold);
  border: none;
  opacity: 0.5;
}

.section-divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: 0;
}

/* --- UTILITÁRIOS --- */
.text-gold   { color: var(--color-gold); }
.text-teal   { color: var(--color-teal); }
.text-muted  { color: var(--color-text-muted); }
.text-white  { color: var(--color-white); }
.text-center { text-align: center; }
.text-left   { text-align: left; }

.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;
}

[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}

/* ── SISTEMA REVEAL: aparição cinematográfica no scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity  0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Variantes de direção */
.reveal--left  { transform: translateX(-36px); }
.reveal--right { transform: translateX(36px); }
.reveal--scale { transform: scale(0.94) translateY(20px); }

.reveal--left.is-visible,
.reveal--right.is-visible,
.reveal--scale.is-visible {
  transform: none;
  opacity: 1;
}

/* Delays de escalonamento */
.r-d2 { transition-delay: 0.12s; }
.r-d3 { transition-delay: 0.24s; }
.r-d4 { transition-delay: 0.36s; }
.r-d5 { transition-delay: 0.48s; }

/* ── BARRA DE PROGRESSO DE SCROLL ── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(to right, var(--color-teal), var(--color-teal-hover));
  z-index: 9999;
  transition: width 0.1s linear;
  pointer-events: none;
}