/* ===========================================================
   ÍCONE STUDIO — Design System
   Dark + Violet, modern sans-serif
   =========================================================== */

:root {
  /* Surfaces */
  --bg-0: #07050d;
  --bg-1: #0c0817;
  --bg-2: #130c24;
  --bg-3: #1a1233;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hi: rgba(255, 255, 255, 0.06);
  --border: rgba(168, 152, 220, 0.12);
  --border-hi: rgba(168, 152, 220, 0.22);

  /* Text */
  --text: #f4f1ff;
  --text-dim: #a9a2c5;
  --text-mute: #6e6890;

  /* Brand */
  --violet-50: #f5f0ff;
  --violet-200: #ddc9ff;
  --violet-300: #c4a6ff;
  --violet-400: #a87bff;
  --violet-500: #8b5cf6;
  --violet-600: #7333ec;
  --violet-700: #5b21b6;
  --magenta-500: #d946ef;

  /* Gradients */
  --grad-brand: linear-gradient(135deg, #a87bff 0%, #8b5cf6 45%, #d946ef 100%);
  --grad-brand-soft: linear-gradient(135deg, rgba(168,123,255,0.18) 0%, rgba(217,70,239,0.10) 100%);
  --grad-glow: radial-gradient(circle at center, rgba(168,123,255,0.45), rgba(168,123,255,0) 60%);

  /* Type */
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Manrope", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-pill: 999px;

  /* Layout */
  --maxw: 1280px;
  --gutter: clamp(20px, 4vw, 56px);

  /* Shadows */
  --shadow-glow: 0 30px 80px -20px rgba(139, 92, 246, 0.55);
  --shadow-card: 0 18px 50px -20px rgba(0, 0, 0, 0.7);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(139,92,246,0.18), transparent 60%),
    radial-gradient(900px 700px at -10% 30%, rgba(217,70,239,0.08), transparent 60%),
    var(--bg-0);
}

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

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 0.4em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.6rem, 6vw, 5rem); letter-spacing: -0.035em; font-weight: 600; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -0.025em; }
h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); }
h4 { font-size: 1.1rem; }
p { margin: 0 0 1em; color: var(--text-dim); text-wrap: pretty; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet-300);
  padding: 7px 14px;
  border: 1px solid var(--border-hi);
  border-radius: var(--r-pill);
  background: var(--surface);
  backdrop-filter: blur(8px);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--violet-400);
  border-radius: 50%;
  box-shadow: 0 0 14px var(--violet-400);
}

.text-grad {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- Layout helpers ---- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

section {
  position: relative;
  padding: clamp(70px, 10vw, 130px) 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space: nowrap;
  position: relative;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 14px 34px -10px rgba(139,92,246,0.65), inset 0 1px 0 rgba(255,255,255,0.25);
}
.btn-primary:hover {
  box-shadow: 0 20px 44px -8px rgba(139,92,246,0.85), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-ghost {
  border: 1px solid var(--border-hi);
  color: var(--text);
  background: var(--surface);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  border-color: var(--violet-400);
  background: var(--surface-hi);
}

.btn-arrow svg { transition: transform .25s ease; }
.btn-arrow:hover svg { transform: translateX(4px); }

/* ---- Navigation ---- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 5, 13, 0.6);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.1rem;
}
.nav-logo .logo-mark {
  display: block;
  width: auto;
  max-width: 100%;
}
.nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: var(--r-pill);
  transition: color .2s, background .2s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface-hi); }

.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: inline-flex;
    width: 42px; height: 42px;
    align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--surface-hi);
    border: 1px solid var(--border-hi);
  }
  .nav-mobile {
    position: fixed;
    top: 72px;
    left: var(--gutter);
    right: var(--gutter);
    padding: 16px;
    background: var(--bg-1);
    border: 1px solid var(--border-hi);
    border-radius: var(--r-lg);
    display: none;
    flex-direction: column;
    z-index: 49;
  }
  .nav-mobile.open { display: flex; }
  .nav-mobile a { padding: 12px 14px; border-radius: 10px; }
  .nav-mobile a:hover { background: var(--surface-hi); }
}

/* ---- Cards ---- */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  position: relative;
  transition: border-color .3s, transform .3s, background .3s;
}
.card:hover {
  border-color: var(--border-hi);
  transform: translateY(-3px);
}

.card-glow::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.card-glow:hover::before { opacity: 1; }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 70px 0 30px;
  background: linear-gradient(180deg, var(--bg-0), #050309);
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer h5 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--violet-300);
  margin-bottom: 18px;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer ul a { color: var(--text-dim); font-size: 14px; transition: color .2s; }
.footer ul a:hover { color: var(--violet-300); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-mute);
  flex-wrap: wrap;
  gap: 10px;
}
.social-ico {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: color .2s, border-color .2s, background .2s;
}
.social-ico:hover {
  color: var(--violet-300);
  border-color: var(--violet-400);
  background: var(--surface-hi);
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---- Reveal on scroll ---- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ---- Forms ---- */
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  font-family: var(--font-mono);
}
.field input, .field textarea, .field select {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 16px;
  border-radius: var(--r-md);
  font-family: inherit;
  font-size: 15px;
  transition: border-color .2s, background .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--violet-400);
  background: rgba(168,123,255,0.06);
}
.field textarea { resize: vertical; min-height: 110px; }

/* Dropdown nativo do <select> precisa de color-scheme: dark para o painel
   aberto sair em tema escuro (Chrome/Edge/Safari/Firefox modernos).
   As <option> também recebem estilo explícito como fallback. */
.field select {
  color-scheme: dark;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23c4a6ff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 42px;
}
.field select option,
.field select optgroup {
  background-color: #130c24;
  color: var(--text);
}

/* ---- Marquee ---- */
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track {
  display: flex;
  gap: 60px;
  width: max-content;
  animation: marquee 38s linear infinite;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---- Misc utilities ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-3.md-2, .grid-4.md-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .grid-3.md-2, .grid-4.md-2 { grid-template-columns: 1fr; }
}

.section-head { max-width: 720px; margin-bottom: 60px; }
.section-head .eyebrow { margin-bottom: 24px; }

/* ---- Logo mark (animated) ---- */
.logo-mark {
  display: inline-block;
}
.logo-mark .ring {
  transform-origin: 50% 50%;
  animation: spin 22s linear infinite;
}
.logo-mark .ring-2 {
  animation: spin 14s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Decorative grid background ---- */
.bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(168,123,255,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168,123,255,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

/* ---- Service hero spacing ---- */
.page-hero {
  padding-top: clamp(140px, 18vw, 200px);
  padding-bottom: clamp(60px, 10vw, 100px);
  position: relative;
}
.crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 30px;
}
.crumbs a { color: var(--text-mute); transition: color .2s; }
.crumbs a:hover { color: var(--violet-300); }
.crumbs span { color: var(--violet-300); }

/* ---- WhatsApp floating button ---- */
.fab-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #1ebe5d);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
  box-shadow: 0 14px 30px -8px rgba(37, 211, 102, 0.6);
  transition: transform .25s;
}
.fab-whatsapp:hover { transform: scale(1.08); }
.fab-whatsapp::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.4);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}