/* Zephron — direção visual premium preto, branco quente e vermelho */
:root {
  color-scheme: dark;

  --color-bg-primary: #070708;
  --color-bg-secondary: #0d0d0f;
  --color-bg-tertiary: #131316;
  --color-surface: #111114;
  --color-surface-elevated: #18181c;
  --color-surface-hover: #202025;
  --color-section-light: #f2eee8;
  --color-section-light-alt: #e8e2da;
  --color-text-primary: #f7f3ed;
  --color-text-heading: #f7f3ed;
  --color-text-secondary: #b8b4ae;
  --color-text-secondary-on-soft: #b8b4ae;
  --color-text-muted: #85817c;
  --color-text-on-light: #161618;
  --color-text-on-light-muted: #5f5a55;
  --color-accent: #c71922;
  --color-accent-strong: #d51d27;
  --color-accent-hover: #d91f29;
  --color-accent-dark: #8d1017;
  --color-border: rgba(255, 255, 255, 0.16);
  --color-border-subtle: rgba(255, 255, 255, 0.08);
  --color-border-light: rgba(20, 20, 22, 0.14);
  --color-overlay-dark: rgba(0, 0, 0, 0.68);
  --color-glow-red: rgba(199, 25, 34, 0.26);
  --color-glow-red-soft: rgba(199, 25, 34, 0.12);
  --color-success: #4aa978;
  --color-success-surface: rgba(74, 169, 120, 0.12);
  --color-error: #ef5a61;
  --shadow-card:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 18px 50px rgba(0, 0, 0, 0.22);
  --shadow-accent: 0 14px 40px rgba(199, 25, 34, 0.22);

  /* Compatibilidade com os tokens existentes. */
  --color-primary: var(--color-accent);
  --color-primary-hover: var(--color-accent-hover);
  --color-primary-light: var(--color-accent-strong);
  --color-primary-soft: var(--color-glow-red-soft);
  --color-primary-surface: rgba(199, 25, 34, 0.07);
  --color-primary-accessible: var(--color-accent-strong);
  --color-primary-accessible-hover: var(--color-accent-hover);
  --color-background: var(--color-bg-primary);
  --bg: var(--color-bg-primary);
  --bg-soft: var(--color-bg-secondary);
  --surface: var(--color-surface);
  --surface-strong: var(--color-surface-hover);
  --surface-glass: rgba(17, 17, 20, 0.94);
  --text: var(--color-text-primary);
  --text-soft: var(--color-text-secondary);
  --muted: var(--color-text-muted);
  --accent: var(--color-accent);
  --accent-strong: var(--color-accent-strong);
  --accent-soft: var(--color-glow-red-soft);
  --green: var(--color-success);
  --line: var(--color-border-subtle);
  --line-strong: var(--color-border);
  --shadow: var(--shadow-card);
  --shadow-soft: var(--shadow-accent);
}

html {
  background: var(--color-bg-primary);
}

html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  background:
    radial-gradient(circle at 88% 5%, var(--color-glow-red-soft), transparent 28rem),
    linear-gradient(180deg, var(--color-bg-primary), var(--color-bg-secondary) 48%, var(--color-bg-primary));
  color: var(--color-text-primary);
}

body::before {
  display: block;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.3;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

::selection {
  background: var(--color-accent);
  color: var(--color-text-primary);
}

:focus-visible {
  outline-color: var(--color-accent-hover);
  box-shadow: 0 0 0 5px var(--color-glow-red-soft);
}

.skip-link {
  border: 1px solid var(--color-border);
  background: var(--color-section-light);
  color: var(--color-text-on-light);
}

.section-border {
  border-color: var(--color-border-subtle);
}

.section-soft {
  border-block: 1px solid var(--color-border-subtle);
  background:
    radial-gradient(circle at 10% 15%, rgba(199, 25, 34, 0.045), transparent 24rem),
    var(--color-bg-secondary);
}

.eyebrow,
.section-heading em,
.hero-title em,
.page-title em,
.text-link::after,
.card-index,
.seo-card-label,
.content-meta {
  color: var(--color-accent-strong);
}

.section-heading,
.hero-title,
.page-title,
.text-link,
.prose h2,
.prose h3 {
  color: var(--color-text-primary);
}

.section-lead,
.hero-description,
.page-intro,
.prose {
  color: var(--color-text-secondary);
}

.button {
  border-color: transparent;
}

.button-primary {
  background: var(--color-accent);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-accent);
}

.button-primary:hover,
.button-primary:focus-visible {
  transform: translateY(-2px);
  background: var(--color-accent-hover);
  box-shadow: 0 16px 42px rgba(199, 25, 34, 0.3);
}

.button-primary:active {
  transform: translateY(0);
  background: var(--color-accent-dark);
}

.button-secondary {
  border-color: rgba(223, 34, 44, 0.62);
  background: rgba(255, 255, 255, 0.025);
  color: var(--color-text-primary);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  transform: translateY(-1px);
  border-color: var(--color-accent-hover);
  background: var(--color-glow-red-soft);
  color: var(--color-text-primary);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

/* Header */
.site-header {
  border-bottom-color: var(--color-border-subtle);
  background: rgba(7, 7, 8, 0.78);
  box-shadow: none;
}

@supports (backdrop-filter: blur(1px)) {
  .site-header {
    backdrop-filter: saturate(115%) blur(16px);
  }
}

.site-header.is-scrolled {
  border-color: var(--color-border-subtle);
  background: rgba(7, 7, 8, 0.91);
  box-shadow: 0 9px 30px rgba(0, 0, 0, 0.2);
}

.brand img,
.footer-brand img {
  filter: none;
}

.menu-toggle {
  border-color: var(--color-border);
  background: var(--color-surface);
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  border-color: rgba(223, 34, 44, 0.7);
  background: var(--color-surface-hover);
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  background: var(--color-text-primary);
}

.main-nav {
  border-color: var(--color-border-subtle);
  background: rgba(7, 7, 8, 0.985);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.34);
}

.nav-link {
  color: var(--color-text-secondary);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-primary);
}

.nav-link[aria-current="page"],
.nav-link.is-active {
  background: var(--color-glow-red-soft);
  color: var(--color-accent-hover);
}

.menu-backdrop {
  background: rgba(0, 0, 0, 0.68);
}

/* Hero */
.hero {
  background:
    radial-gradient(circle at 76% 35%, var(--color-glow-red), transparent 28rem),
    linear-gradient(90deg, rgba(7, 7, 8, 0.98) 0%, rgba(7, 7, 8, 0.92) 52%, rgba(7, 7, 8, 0.68) 100%),
    url("/assets/images/hero-studio.webp?v=2") center center / cover no-repeat;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, transparent 58%, var(--color-bg-primary));
  content: "";
  pointer-events: none;
}

#particles-js {
  z-index: 0;
  opacity: 0.82;
  mix-blend-mode: screen;
  isolation: isolate;
}

#particles-js::before {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 73% 42%, rgba(223, 34, 44, 0.17), transparent 26%),
    radial-gradient(circle at 42% 70%, rgba(255, 255, 255, 0.035), transparent 22%);
  content: "";
}

#particles-js canvas {
  position: relative;
  z-index: 1;
}

.hero-grid,
.hero-copy {
  position: relative;
  z-index: 2;
}

.trust-line li {
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.trust-line li::before {
  background: var(--color-accent-strong);
  box-shadow: 0 0 12px var(--color-glow-red);
}

/* Superfícies e cards */
.trust-card,
.problem-card,
.difference-card,
.feature-card,
.content-card,
.process-step,
.contact-card,
.benefit-item,
.seo-card,
.diagnostic-panel {
  border-color: var(--color-border-subtle);
  background: linear-gradient(145deg, var(--color-surface-elevated), var(--color-surface));
  color: var(--color-text-primary);
  box-shadow: var(--shadow-card);
}

.trust-card strong,
.problem-card h3,
.difference-card h3,
.feature-card h3,
.content-card h2,
.content-card h3,
.process-step h3,
.contact-card h2,
.contact-card h3,
.benefit-item strong,
.seo-card h3,
.solution-item h3 {
  color: var(--color-text-primary);
}

.trust-card p,
.problem-card p,
.difference-card p,
.feature-card p,
.content-card p,
.process-step p,
.contact-card p,
.benefit-item span,
.seo-card p,
.seo-card li,
.solution-item p {
  color: var(--color-text-secondary);
}

.problem-card {
  overflow: hidden;
}

.problem-card::after {
  position: absolute;
  inset: auto 0 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transform: scaleX(0.45);
  content: "";
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.problem-card:hover::after,
.problem-card.is-active::after {
  opacity: 0.9;
  transform: scaleX(1);
}

.card-index {
  background: var(--color-glow-red-soft);
}

.solution-item {
  border-color: var(--color-border-subtle);
  background: transparent;
}

.solution-item:hover,
.solution-item.is-active {
  border-color: rgba(223, 34, 44, 0.38);
  background: linear-gradient(90deg, var(--color-glow-red-soft), transparent 68%);
}

.solution-icon,
.service-icon,
.difference-icon {
  border-color: rgba(223, 34, 44, 0.34);
  background: var(--color-glow-red-soft);
  color: var(--color-accent-hover);
}

.service-card {
  border: 1px solid var(--color-border-subtle);
  border-bottom-color: var(--color-border-subtle);
  background: linear-gradient(150deg, var(--color-surface-elevated), var(--color-surface));
  color: var(--color-text-primary);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.service-card:nth-child(3n + 1) {
  border-bottom-color: var(--color-border-subtle);
  background: linear-gradient(150deg, var(--color-surface-elevated), var(--color-surface));
}

.service-card:hover,
.service-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(223, 34, 44, 0.7);
  background: linear-gradient(150deg, var(--color-surface-hover), var(--color-surface));
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.32), 0 0 30px var(--color-glow-red-soft);
}

.service-card .service-icon {
  border-color: rgba(223, 34, 44, 0.34);
  background: var(--color-glow-red-soft);
  color: var(--color-accent-hover);
}

.service-card h3,
.service-benefits li,
.service-card .text-link {
  color: var(--color-text-primary);
}

.service-card p {
  color: var(--color-text-secondary);
}

.service-benefits li::before,
.seo-card li::before,
.check-list li::before,
.diagnostic-points li::before {
  color: var(--color-accent-strong);
}

.service-card .text-link {
  border-color: rgba(223, 34, 44, 0.32);
  background: rgba(199, 25, 34, 0.07);
}

.service-card .text-link:hover,
.service-card .text-link:focus-visible {
  border-color: var(--color-accent-strong);
  background: var(--color-glow-red-soft);
}

/* Processo: a linha acompanha o progresso da rolagem sem alterar o grid. */
.process-grid {
  position: relative;
  --process-progress: 0%;
}

.process-grid::before,
.process-grid::after {
  position: absolute;
  top: -14px;
  left: 0;
  width: 100%;
  height: 1px;
  transform-origin: left center;
  content: "";
  pointer-events: none;
}

.process-grid::before {
  background: var(--color-border);
}

.process-grid::after {
  width: var(--process-progress);
  background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent-hover));
  box-shadow: 0 0 16px var(--color-glow-red);
}

.process-step {
  transition: border-color 0.28s ease, background 0.28s ease, box-shadow 0.28s ease;
}

.process-step::before {
  color: var(--color-text-muted);
  transition: color 0.28s ease;
}

.process-step.is-active {
  border-color: rgba(223, 34, 44, 0.58);
  background: linear-gradient(145deg, var(--color-surface-hover), var(--color-surface));
  box-shadow: var(--shadow-card), 0 0 28px var(--color-glow-red-soft);
}

.process-step.is-active::before {
  color: var(--color-accent-hover);
}

/* Faixa clara para SEO/AEO e FAQ */
#seo-aeo {
  border-block: 1px solid var(--color-border-light);
  background: var(--color-section-light);
  color: var(--color-text-on-light);
}

#seo-aeo .eyebrow,
#seo-aeo .seo-card-label {
  color: var(--color-accent);
}

#seo-aeo .section-heading {
  color: var(--color-text-on-light);
}

#seo-aeo .section-lead {
  color: var(--color-text-on-light-muted);
}

#seo-aeo .seo-card {
  border-color: rgba(255, 255, 255, 0.09);
  background: linear-gradient(145deg, var(--color-bg-tertiary), var(--color-bg-primary));
  box-shadow: 0 20px 48px rgba(20, 20, 22, 0.16);
}

#seo-aeo .button-secondary {
  border-color: var(--color-accent);
  background: transparent;
  color: var(--color-accent-dark);
}

#seo-aeo .button-secondary:hover,
#seo-aeo .button-secondary:focus-visible {
  background: rgba(199, 25, 34, 0.08);
  color: var(--color-accent-dark);
}

#faq.section-soft {
  border-color: var(--color-border-light);
  background: var(--color-section-light-alt);
}

#faq .eyebrow {
  color: var(--color-accent);
}

#faq .section-heading,
#faq .faq-item summary {
  color: var(--color-text-on-light);
}

.faq-list {
  border-color: var(--color-border-subtle);
}

.faq-item {
  border-color: var(--color-border-subtle);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  transition: border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.faq-item:hover,
.faq-item:focus-within {
  border-color: rgba(199, 25, 34, 0.38);
  background: var(--color-surface-hover);
}

.faq-item[open] {
  border-color: rgba(199, 25, 34, 0.56);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-card), 0 0 24px var(--color-glow-red-soft);
}

.faq-item summary::after {
  border-color: rgba(199, 25, 34, 0.48);
  color: var(--color-accent);
}

.faq-item summary {
  color: var(--color-text-primary);
}

.faq-answer {
  color: var(--color-text-secondary);
}

#faq .faq-list {
  border-color: var(--color-border-light);
}

#faq .faq-item {
  border-color: var(--color-border-light);
  background: rgba(242, 238, 232, 0.58);
  box-shadow: 0 12px 28px rgba(20, 20, 22, 0.06);
}

#faq .faq-item:hover,
#faq .faq-item:focus-within {
  border-color: rgba(199, 25, 34, 0.38);
  background: rgba(247, 243, 237, 0.82);
}

#faq .faq-item[open] {
  border-color: rgba(199, 25, 34, 0.56);
  background: var(--color-section-light);
  box-shadow: 0 16px 34px rgba(20, 20, 22, 0.09);
}

#faq .faq-answer {
  color: var(--color-text-on-light-muted);
}

.faq-item[open] .faq-answer {
  animation: faq-answer-in 0.28s ease-out both;
}

@keyframes faq-answer-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Formulários, modal e consentimento */
.diagnostic-panel {
  border-color: var(--color-border);
}

.field label,
.field-label,
.diagnostic-points li,
.consent-field,
.recaptcha-status {
  color: var(--color-text-secondary);
}

.field input,
.field select,
.field textarea {
  border-color: var(--color-border);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  caret-color: var(--color-accent-hover);
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: rgba(255, 255, 255, 0.26);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

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

.consent-field input,
.cookie-toggle input {
  accent-color: var(--color-accent-strong);
}

.consent-field a {
  color: var(--color-text-primary);
  text-decoration-color: var(--color-accent);
}

.form-message {
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.form-message.is-error,
.recaptcha-error,
.login-message {
  border-color: rgba(239, 90, 97, 0.45);
  background: rgba(239, 90, 97, 0.1);
  color: var(--color-error);
}

.form-message.is-success {
  border-color: rgba(74, 169, 120, 0.42);
  background: var(--color-success-surface);
  color: #8dd4ad;
}

.modal-overlay,
.cookie-panel-overlay {
  background: rgba(0, 0, 0, 0.76);
}

.modal-dialog,
.cookie-panel,
.cookie-banner {
  border-color: var(--color-border);
  background: rgba(17, 17, 20, 0.985);
  color: var(--color-text-primary);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.48);
}

.modal-dialog h2,
.cookie-panel h2,
.cookie-cat-name {
  color: var(--color-text-primary);
}

.modal-dialog > p,
.cookie-panel > p,
.cookie-banner p,
.cookie-cat-desc {
  color: var(--color-text-secondary);
}

.modal-close,
.cookie-panel-close,
.cookie-button {
  border-color: var(--color-border);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.modal-close:hover,
.cookie-panel-close:hover,
.cookie-button:hover {
  border-color: rgba(223, 34, 44, 0.62);
  background: var(--color-surface-hover);
}

.cookie-button.primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-text-primary);
}

.cookie-category {
  border-color: var(--color-border-subtle);
  background: var(--color-bg-secondary);
}

.cookie-cat-badge {
  color: #8dd4ad;
}

/* CTA final com fallback CSS; o canvas nativo é acrescentado sem ocupar layout. */
.final-cta {
  isolation: isolate;
  border: 1px solid rgba(223, 34, 44, 0.34);
  background:
    radial-gradient(circle at var(--cta-halo-x, 24%) 32%, var(--color-glow-red), transparent 34%),
    linear-gradient(145deg, var(--color-bg-tertiary), var(--color-bg-primary));
  box-shadow: var(--shadow-card);
  color: var(--color-text-primary);
}

.final-cta::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.035);
  content: "";
  pointer-events: none;
}

.final-cta > *:not(.cta-light-canvas) {
  position: relative;
  z-index: 2;
}

.final-cta h2,
.final-cta p {
  color: var(--color-text-primary);
}

.cta-light-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  opacity: 0.62;
  pointer-events: none;
}

/* Páginas internas */
.page-main,
.page-hero {
  background: var(--color-bg-primary);
}

.page-hero {
  border-color: var(--color-border-subtle);
  background:
    radial-gradient(circle at 86% 28%, var(--color-glow-red-soft), transparent 26rem),
    linear-gradient(145deg, var(--color-bg-primary), var(--color-bg-secondary));
}

.breadcrumbs,
.benefit-item span,
.contact-card p,
.comparison td {
  color: var(--color-text-secondary);
}

.comparison {
  border-color: var(--color-border);
  background: var(--color-surface);
}

.comparison th,
.comparison td {
  border-color: var(--color-border-subtle);
}

.comparison th {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.contact-card a,
.prose a {
  color: var(--color-accent-hover);
  text-decoration-color: var(--color-accent);
}

/* Footer e canais */
.site-footer {
  border-color: var(--color-border-subtle);
  border-bottom-color: var(--color-accent-dark);
  background: #060607;
}

.footer-brand p,
.footer-links a,
.footer-link-button,
.footer-bottom {
  color: var(--color-text-muted);
}

.footer-column h2,
.footer-column h3 {
  color: var(--color-text-primary);
}

.footer-links a:hover,
.footer-link-button:hover,
.footer-links a:focus-visible,
.footer-link-button:focus-visible {
  color: var(--color-accent-hover);
}

.footer-bottom {
  border-color: var(--color-border-subtle);
}

/* O verde permanece apenas como identificação funcional do WhatsApp. */
.whatsapp-float,
.mobile-commercial-bar {
  border-color: rgba(255, 255, 255, 0.38);
  background: #167c46;
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.38);
}

.whatsapp-float:hover,
.mobile-commercial-bar:hover {
  background: #1a9252;
}

/* O HTML é sempre visível. GSAP aplica estilos inline somente após inicializar. */
.js body .reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

.motion-ready .is-animating {
  will-change: transform, opacity;
}

@media (min-width: 980px) {
  .main-nav {
    background: transparent;
    box-shadow: none;
  }
}

@media (max-width: 799px) {
  .hero {
    background:
      radial-gradient(circle at 78% 24%, var(--color-glow-red), transparent 18rem),
      linear-gradient(90deg, rgba(7, 7, 8, 0.97), rgba(7, 7, 8, 0.78)),
      url("/assets/images/hero-studio.webp?v=2") 35% center / cover no-repeat;
  }

  #particles-js {
    opacity: 0.56;
  }

  .cta-light-canvas {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js body .reveal,
  .motion-ready .reveal {
    opacity: 1;
    transform: none;
  }

  #particles-js canvas,
  .cta-light-canvas {
    display: none;
  }

  #particles-js {
    opacity: 0.42;
  }
}