/* =========================================================
   EPIH STOR — Landing Page
   Arquivo: style.css
   Design: dark mode corporativo, azul e cinza escuro.
   Sem dependências externas.
   ========================================================= */

/* Design tokens */
:root {
  --bg-body: oklch(0.14 0.02 260);
  --bg-surface: oklch(0.19 0.03 260);
  --bg-elevated: oklch(0.23 0.04 260);
  --bg-input: oklch(0.16 0.02 260);

  --text-primary: oklch(0.96 0.01 260);
  --text-secondary: oklch(0.72 0.02 260);
  --text-muted: oklch(0.58 0.03 260);

  --accent: oklch(0.58 0.16 250);
  --accent-hover: oklch(0.65 0.18 250);
  --accent-glow: oklch(0.55 0.2 250 / 0.28);
  --accent-2: oklch(0.7 0.14 190);

  --border: oklch(1 0 0 / 0.08);
  --border-strong: oklch(1 0 0 / 0.14);

  --success: oklch(0.65 0.18 145);
  --shadow: 0 18px 45px oklch(0 0 0 / 0.35);
  --shadow-sm: 0 6px 18px oklch(0 0 0 / 0.2);

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;

  --container: 1160px;
  --header-h: 4.5rem;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  min-height: 100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-body);
  background-image:
    radial-gradient(circle at 10% 10%, oklch(0.25 0.08 250 / 0.25), transparent 45%),
    radial-gradient(circle at 90% 0%, oklch(0.2 0.06 190 / 0.18), transparent 40%);
  background-attachment: fixed;
}

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

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

ul { list-style: none; }

/* Utilitários */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--bg-body);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 1rem; }

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), oklch(0.5 0.18 260));
  color: #fff;
  box-shadow: 0 6px 20px var(--accent-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), oklch(0.55 0.2 260));
  box-shadow: 0 10px 28px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: oklch(0.22 0.05 250 / 0.5);
}

.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.875rem; }
.btn-lg { padding: 0.95rem 1.6rem; font-size: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: oklch(0.12 0.02 260 / 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), oklch(0.45 0.15 260));
  color: #fff;
  font-size: 0.85rem;
}

.brand-text {
  font-size: 1.15rem;
  color: var(--text-primary);
}

/* Navegação */
.main-nav { display: flex; align-items: center; }

.menu-list {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.menu-list a {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.menu-list a:hover {
  color: var(--text-primary);
  background: oklch(1 0 0 / 0.05);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
}

.menu-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle.is-active .menu-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-active .menu-bar:nth-child(2) { opacity: 0; }
.menu-toggle.is-active .menu-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4rem, 10vw, 7rem);
}

.hero-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 70% 30%, oklch(0.35 0.12 250 / 0.22), transparent),
    radial-gradient(ellipse 50% 40% at 20% 80%, oklch(0.3 0.1 190 / 0.12), transparent);
  opacity: 0.8;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.hero-lead {
  margin-top: 1.25rem;
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 54ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.75rem;
}

.hero-badges li {
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: oklch(1 0 0 / 0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.hero-visual {
  display: grid;
  place-items: center;
  gap: 1.5rem;
  position: relative;
}

.shield-card {
  width: min(100%, 280px);
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: linear-gradient(145deg, var(--bg-elevated), var(--bg-surface));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  color: var(--accent-2);
}

.shield-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  width: min(100%, 280px);
}

.status-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
}

/* Seções */
.section {
  padding-block: clamp(4rem, 8vw, 6rem);
}

.section-header {
  max-width: 720px;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.section-header.is-visible { opacity: 1; transform: translateY(0); }

.section-header h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Sobre */
.about-card {
  background: linear-gradient(145deg, var(--bg-surface), var(--bg-elevated));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.about-card.is-visible { opacity: 1; transform: translateY(0); }

.about-avatar {
  flex-shrink: 0;
  width: 5.5rem;
  height: 5.5rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent), oklch(0.45 0.15 260));
  color: #fff;
  font-size: 1.8rem;
  font-weight: 800;
  box-shadow: 0 10px 28px var(--accent-glow);
}

.about-body h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.about-body p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.about-highlights {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.about-highlights li {
  position: relative;
  padding-left: 1.3rem;
  color: var(--text-secondary);
}

.about-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent-2);
}

.about-highlights strong { color: var(--text-primary); }

/* Serviços */
.section-services { background: oklch(0.12 0.02 260 / 0.5); }

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

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  opacity: 0;
  transform: translateY(16px);
}
.service-card.is-visible { opacity: 1; transform: translateY(0); }

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.service-featured {
  border-color: oklch(0.55 0.15 250 / 0.45);
  background: linear-gradient(145deg, var(--bg-surface), oklch(0.21 0.06 250 / 0.5));
}

.service-icon {
  width: 3.2rem;
  height: 3.2rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: oklch(0.25 0.06 250 / 0.5);
  color: var(--accent-2);
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Portfólio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.portfolio-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease, border-color var(--transition-base), box-shadow var(--transition-base);
}
.portfolio-card.is-visible { opacity: 1; transform: translateY(0); }

.portfolio-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.portfolio-badge {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-2);
  background: oklch(0.25 0.06 250 / 0.5);
  border-radius: 999px;
  margin-bottom: 0.9rem;
}

.portfolio-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.portfolio-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.portfolio-tags li {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
}

/* Contato */
.section-contact { background: oklch(0.12 0.02 260 / 0.5); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.contact-grid.is-visible { opacity: 1; transform: translateY(0); }

.contact-info h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 0.9rem;
  letter-spacing: -0.02em;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.contact-channels { display: grid; gap: 0.9rem; }

.contact-channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.contact-channel:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.channel-icon {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: oklch(0.25 0.06 250 / 0.5);
  color: var(--accent-2);
}

.channel-meta { display: flex; flex-direction: column; }
.channel-meta strong { color: var(--text-primary); font-size: 1rem; }
.channel-meta span { color: var(--text-secondary); font-size: 0.9rem; }

/* Formulário */
.contact-form {
  display: grid;
  gap: 1.1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
}

.form-field { display: grid; gap: 0.4rem; }

.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-muted); }

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Footer */
.site-footer {
  padding-block: 2.25rem;
  border-top: 1px solid var(--border);
  background: var(--bg-body);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
}

.footer-copy { color: var(--text-secondary); font-size: 0.9rem; }
.footer-tagline { color: var(--text-muted); font-size: 0.85rem; }

/* Responsivo */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  :root { --header-h: 4rem; }

  .header-cta { display: none; }

  .menu-toggle { display: flex; }

  .menu-list {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    background: oklch(0.12 0.02 260 / 0.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .menu-list.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .menu-list a {
    display: block;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
  }

  .services-grid { grid-template-columns: 1fr; }
  .about-card { flex-direction: column; align-items: center; text-align: center; }
  .about-highlights li { padding-left: 0; text-align: left; }
  .about-highlights li::before { display: none; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

@media (max-width: 420px) {
  .hero-badges { gap: 0.5rem; }
  .hero-badges li { font-size: 0.75rem; }
  .status-grid { grid-template-columns: 1fr; }
}