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

img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  list-style: none;
}
button {
  font-family: inherit;
}

:root {
  /* azul-escuro */
  --navy: #04122b; /* topbar, footer */
  --navy-mid: #0a1f4a; /* planos, hero */
  --navy-light: #0d2760; /* cards, sobre */
  --blue: #1045a8; /* hover de botões */
  --blue-mid: #1558d6; /* ação principal */

  /* ciano */
  --cyan: #00c6ff;
  --cyan-dim: rgba(0, 198, 255, 0.12);
  --glow: rgba(0, 198, 255, 0.25);

  /* Neutros */
  --white: #ffffff;
  --transparent-grey: #f4f7fe8e;
  --off-white: #f4f7fe;
  --light-gray: #e8edf8;
  --mid-gray: #8a97b8;
  --dark-gray: #444d69;
  --dark-text: #0f1b35;

  /* Feedback */
  --success: #10d97e;

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(4, 18, 43, 0.15);
  --shadow-md: 0 8px 32px rgba(4, 18, 43, 0.22);
  --shadow-lg: 0 20px 60px rgba(4, 18, 43, 0.3);
  --shadow-glow: 0 0 40px rgba(0, 198, 255, 0.18);

  /* Transição */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.25s;

  /* Alturas fixas */
  --topbar-h: 38px;
  --header-h: 68px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + var(--header-h) + 8px);
}

body {
  font-family: "Space Grotesk", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--dark-text);
  background: var(--white);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: "Space Grotesk", "Sora", sans-serif;
  line-height: 1.15;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
}
h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
}
h3 {
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 600;
}

/* <em> dentro de h1/h2 vira ciano */
em {
  font-style: normal;
  color: var(--cyan);
}

/* Parágrafos usam Space Grotesk */
p {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 400;
  line-height: 1.75;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  width: 100%;
}

/* Section header */
.section-header {
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.section-header--light .section-title {
  color: var(--white);
}

.section-title {
  color: var(--navy);
}
.section-title--light {
  color: var(--white);
}

/* Linha decorativa abaixo do título */
.section-header .section-title::after {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  background: var(--cyan);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}
.section-header--light .section-title::after {
  background: rgba(0, 198, 255, 0.45);
}

/* Label acima do título */
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 0.5rem;
}
.section-label--light {
  color: var(--cyan);
}

/* ── Scrollbar personalizada ── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--navy);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--blue-mid), var(--cyan));
  border-radius: 100px;
  box-shadow: 0 0 8px rgba(0, 198, 255, 0.5);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--cyan), var(--blue-mid));
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--navy-mid) var(--mid-gray);
}