:root {
  --bg: #0A0A0A;
  --bg-elevated: #121212;
  --bg-soft: #161616;
  --text: #F5F5F5;
  --muted: #9A9A9A;
  --accent: #FCBF21;
  --accent-soft: rgba(252, 191, 33, 0.14);
  --line: rgba(255, 255, 255, 0.08);
  --max: 1120px;
  --font: "Comfortaa", system-ui, sans-serif;
}

@font-face {
  font-family: "Comfortaa";
  src: url("/assets/Comfortaa-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-weight: 400;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(252, 191, 33, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 20%, rgba(252, 191, 33, 0.05), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  letter-spacing: -0.01em;
}

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

a {
  color: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 10, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  height: 56px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--text);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #0A0A0A;
}

.btn-primary:hover {
  background: #FFC94A;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---- Hero ---- */
.hero {
  min-height: calc(100vh - 68px);
  display: flex;
  align-items: center;
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -30% 40%;
  height: 70%;
  background: radial-gradient(circle, var(--accent-soft), transparent 65%);
  pointer-events: none;
  animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.hero-brand {
  height: clamp(96px, 14vw, 128px);
  width: auto;
  margin-bottom: 1.75rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 14ch;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.12s forwards;
}

.hero-lead {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 36ch;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.24s forwards;
}

.hero .cta-group {
  opacity: 0;
  animation: fadeUp 0.8s ease 0.36s forwards;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.2s forwards;
}

.hero-lock {
  width: min(340px, 78vw);
  height: auto;
  filter: drop-shadow(0 0 40px rgba(252, 191, 33, 0.25));
  animation: floatLock 6s ease-in-out infinite;
}

@keyframes floatLock {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Sections ---- */
.section {
  padding: 5.5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, var(--bg-elevated) 12%, var(--bg-elevated) 88%, transparent);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-lead {
  color: var(--muted);
  font-size: 1.1rem;
}

/* ---- Manifesto ---- */
.manifesto-quote {
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 2rem;
}

.manifesto-quote em {
  font-style: normal;
  color: var(--accent);
}

.manifesto-body {
  display: grid;
  gap: 1.25rem;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.manifesto-body strong {
  color: var(--text);
  font-weight: 600;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- ICA ---- */
.ica-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.ica-step {
  padding: 1.75rem 1.5rem;
  border-top: 2px solid var(--accent);
  background: var(--bg-soft);
}

.ica-step .step-num {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.ica-step h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.ica-step p {
  color: var(--muted);
  font-size: 0.98rem;
}

.ica-closing {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 1.15rem;
  font-weight: 500;
}

.ica-closing span {
  color: var(--accent);
}

/* ---- Products ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.product {
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--line);
  background: transparent;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 100%;
}

.product:hover {
  border-color: rgba(252, 191, 33, 0.45);
  background: var(--accent-soft);
  transform: translateY(-3px);
}

.product h3 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.product p {
  color: var(--muted);
  font-size: 0.98rem;
  flex: 1;
}

.product-seal {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.product-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.product:hover .product-link {
  color: var(--accent);
}

/* ---- Alicerce bridge ---- */
.bridge {
  padding: 4rem 0;
}

.bridge-inner {
  border: 1px solid var(--line);
  padding: 2.5rem clamp(1.5rem, 4vw, 3rem);
  background:
    linear-gradient(135deg, rgba(252, 191, 33, 0.06), transparent 50%),
    var(--bg-elevated);
  display: grid;
  gap: 1.25rem;
  max-width: 48rem;
  margin-inline: auto;
  text-align: center;
}

.bridge-inner p {
  color: var(--muted);
  font-size: 1.1rem;
}

.bridge-inner strong {
  color: var(--text);
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.footer-brand img {
  height: 48px;
  width: auto;
  opacity: 0.95;
}

.footer-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-meta a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.footer-meta a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero h1,
  .hero-lead {
    max-width: none;
    margin-inline: auto;
  }

  .hero .cta-group {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-lock {
    width: min(220px, 55vw);
  }

  .hero-brand {
    margin-inline: auto;
    height: clamp(80px, 18vw, 110px);
  }

  .ica-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }

  .nav .nav-hide-sm {
    display: none;
  }
}

@media (max-width: 560px) {
  .header-inner {
    padding: 0.85rem 0;
  }

  .brand img {
    height: 44px;
  }

  .hero {
    padding: 2.5rem 0 3.5rem;
    min-height: auto;
  }

  .section {
    padding: 4rem 0;
  }
}