/* ═══════════════════════════════════════════════════════════════════
   Kruger Vision — base.css
   Design system: tokens, reset, tipografia, container, utilitários
   Tema: escuro (preto) + verde-esmeralda — identidade extraída do logo
   ═══════════════════════════════════════════════════════════════════ */

:root {
  /* Marca */
  --green: #00c896;
  --green-deep: #00a67d;
  --green-soft: rgba(0, 200, 150, 0.12);

  /* WhatsApp */
  --wpp: #25D366;
  --wpp-deep: #1EBE5A;

  /* Superfícies */
  --bg: #070808;
  --bg-elev: #0e1110;
  --bg-card: #131615;
  --surface: #181c1a;

  /* Texto */
  --ink: #ffffff;
  --text: #d6dbd8;
  --text-dim: #a4aca8;
  --text-mute: #6c7470;

  --border: #262b28;
  --border-soft: #1a1e1c;

  /* Gradientes */
  --grad-brand: linear-gradient(120deg, var(--green) 0%, #4dffcf 100%);
  --grad-hero: radial-gradient(1100px 600px at 80% 0%, rgba(0,200,150,0.14) 0%, transparent 55%),
               radial-gradient(900px 700px at 5% 100%, rgba(0,200,150,0.08) 0%, transparent 55%);

  /* Tipografia */
  --font-display: "Poppins", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaçamento */
  --section-py: 110px;
  --section-py-sm: 64px;
  --container: 1180px;
  --container-narrow: 860px;

  /* Raio */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;

  /* Sombras */
  --shadow-sm: 0 4px 20px -8px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 24px 60px -30px rgba(0, 0, 0, 0.8);
  --shadow-green: 0 18px 40px -16px rgba(0, 200, 150, 0.35);
  --shadow-wpp: 0 16px 34px -14px rgba(37, 211, 102, 0.5);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease), opacity .2s var(--ease); }
ul, ol { list-style: none; }
::selection { background: var(--green); color: #000; }

/* ─── Tipografia ─── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.3rem, 5vw, 3.7rem); font-weight: 800; line-height: 1.08; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { color: var(--text); font-size: 1.0625rem; line-height: 1.65; }
strong, b { color: var(--ink); font-weight: 600; }

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}
.container.narrow { max-width: var(--container-narrow); }

/* ─── Seção ─── */
section { padding-block: var(--section-py); position: relative; }
.bg-elev { background: var(--bg-elev); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
}

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 1.125rem; color: var(--text-dim); }

/* ─── Botões ─── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  transition: all .25s var(--ease);
  white-space: nowrap;
  cursor: pointer;
  overflow: hidden;
}
.btn svg { width: 19px; height: 19px; transition: transform .25s var(--ease); }

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform .6s var(--ease);
}
.btn:hover::after { transform: translateX(120%); }

.btn-green { background: var(--green); color: #000; box-shadow: var(--shadow-green); }
.btn-green:hover { background: var(--green-deep); transform: translateY(-3px) scale(1.02); box-shadow: 0 22px 48px -14px rgba(0,200,150,.5); }
.btn-green:active { transform: translateY(-1px) scale(0.99); }

.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

.btn-lg { padding: 19px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

@media (max-width: 480px) {
  .btn-lg {
    width: 100%;
    max-width: 320px;
    margin-inline: auto;
    white-space: normal;
    text-align: center;
    padding: 16px 22px;
    font-size: 0.92rem;
  }
}

/* ─── Fade-up ─── */
.fade-up { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.fade-up.in { opacity: 1; transform: translateY(0); }
.fade-up.d-1 { transition-delay: .08s; }
.fade-up.d-2 { transition-delay: .16s; }
.fade-up.d-3 { transition-delay: .24s; }
.fade-up.d-4 { transition-delay: .32s; }
.fade-up.d-5 { transition-delay: .40s; }

/* ─── Utilitários ─── */
.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.green-text { color: var(--green); }
.dim-text { color: var(--text-dim); }

/* ─── Responsivo ─── */
@media (max-width: 768px) {
  :root { --section-py: var(--section-py-sm); }
  .container { padding-inline: 20px; }
  .section-head { margin-bottom: 36px; }
}