/* ============================================================
   BASE — Tokens de design, reset, tipografia e botões
   Paleta Color Hunt: #000080 · #ff0000 · #9e2a3a · #3a2525
   ============================================================ */

:root {
  /* Paleta original */
  --c-navy: #000080;
  --c-red: #ff0000;
  --c-crimson: #9e2a3a;
  --c-maroon: #3a2525;

  /* Tema dark (derivados da paleta) */
  --bg: #150e0e;
  --bg-soft: #1c1212;
  --surface: #231716;
  --surface-2: #2a1c1a;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #f8f3f0;
  --muted: #c9b8b3;

  /* Acentos (navy/clareado para legibilidade no dark) */
  --accent: #9e2a3a;
  --accent-hover: #bd3548;
  --accent-soft: rgba(158, 42, 58, 0.16);
  --highlight: #ff4d4d;
  --blue: #5a5af0;
  --green: #25d366;
  --green-hover: #20ba5a;

  /* Formato e sombras */
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --glow: 0 12px 45px -12px rgba(158, 42, 58, 0.5);

  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 76px;

  --font-heading: "Sora", "Inter", sans-serif;
  --font-body: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
}

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

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

:focus-visible {
  outline: 2px solid var(--highlight);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Âncoras não ficam escondidas sob o header fixo */
[id] {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

/* ---------- Layout ---------- */
.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* ---------- Tipografia de seção ---------- */
.section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.section--alt {
  background: var(--bg-soft);
  border-block: 1px solid var(--border);
}

.section-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto clamp(2.25rem, 5vw, 3.5rem);
}

.section-heading h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  margin: 0.6rem 0 0.75rem;
}

.section-heading p:last-child {
  color: var(--muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(158, 42, 58, 0.35);
  color: #f0aab5;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.text-gradient {
  background: linear-gradient(90deg, var(--highlight), var(--accent-hover));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  min-height: 48px;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s ease,
    background-color 0.25s ease, border-color 0.25s ease;
}

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

.btn svg {
  width: 1.15em;
  height: 1.15em;
  fill: currentColor;
  flex-shrink: 0;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), #7d2130);
  color: #ffffff;
  box-shadow: var(--glow);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
}

.btn--whatsapp {
  background: var(--green);
  border-color: var(--green);
  color: #06281a;
}

.btn--whatsapp:hover {
  background: var(--green-hover);
  border-color: var(--green-hover);
  box-shadow: 0 10px 30px -10px rgba(37, 211, 102, 0.45);
}