/* =========================================================
   InteliScan v3 — Sistema de Diseño
   Brand: Intelitroop · Harabara display · Poppins body
   ========================================================= */

@font-face {
  font-family: 'Harabara';
  src: url('/fonts/Harabara.ttf') format('truetype');
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Backgrounds — intelitroop spec */
  --ink-deep: #0B1120;
  --ink: #0A2540;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --surface-3: rgba(255, 255, 255, 0.08);

  /* Brand blues (Google blue + cyan accent) */
  --primary: #1a73e8;
  --primary-bright: #4A93F0;
  --navy: #0A2540;
  --navy-deep: #061629;
  --accent: #00F5FF;
  --accent-bright: #5EFFFF;
  --accent-glow: rgba(0, 245, 255, 0.45);
  --aurora-1: #1a73e8;
  --aurora-2: #1E3A8A;
  --aurora-3: #0A2540;

  --text: #F5F7FA;
  --text-soft: #C8D4E2;
  --text-dim: #8C9BB0;
  --text-mute: #5A6A82;

  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(0, 245, 255, 0.28);

  --critical: #EF4444;
  --warning: #F59E0B;
  --success: #16A34A;
  --inversion: #EF4444;

  --font-display: 'Harabara', 'Poppins', system-ui, sans-serif;
  --font-body: 'Poppins', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--ink-deep);
  color: var(--text);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* AURORA BG */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--ink-deep);
  overflow: hidden;
  pointer-events: none;
}
.ambient-bg::before, .ambient-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  will-change: transform;
}
.ambient-bg::before {
  width: 720px; height: 720px;
  background: radial-gradient(circle, var(--aurora-2) 0%, transparent 65%);
  top: -180px; left: -100px;
  opacity: 0.55;
  animation: drift1 24s ease-in-out infinite;
}
.ambient-bg::after {
  width: 820px; height: 820px;
  background: radial-gradient(circle, var(--aurora-1) 0%, transparent 65%);
  bottom: -250px; right: -150px;
  opacity: 0.5;
  animation: drift2 30s ease-in-out infinite;
}
.aurora-orb {
  position: absolute;
  width: 560px; height: 560px;
  background: radial-gradient(circle, var(--aurora-3) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(100px);
  top: 28%; left: 42%;
  opacity: 0.4;
  animation: drift3 34s ease-in-out infinite;
}
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 33% { transform: translate(140px,80px) scale(1.1);} 66% { transform: translate(-80px,140px) scale(0.92);} }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-180px,-120px) scale(1.18); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1) rotate(0deg); } 50% { transform: translate(-220px,100px) scale(1.15) rotate(45deg); } }

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

@media (prefers-reduced-motion: reduce) {
  .ambient-bg::before, .ambient-bg::after, .aurora-orb { animation: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }
.container-narrow { max-width: 880px; }
.container-wide { max-width: 1480px; }

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 100;
  padding: 18px 0;
  background: rgba(5, 8, 17, 0.6);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.logo-svg { height: 26px; width: auto; display: block; }
.logo-svg-footer { height: 32px; }
.logo-by {
  font-size: 10px; letter-spacing: 1.8px;
  color: var(--text-mute); text-transform: uppercase;
  font-weight: 500; padding-left: 14px;
  border-left: 1px solid var(--border-strong);
}
.nav-right { display: flex; align-items: center; gap: 32px; }
.nav-link {
  color: var(--text-soft); text-decoration: none;
  font-size: 14px; font-weight: 400;
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--accent); }
.nav-cta {
  padding: 10px 22px; background: var(--primary);
  color: #fff; text-decoration: none;
  border-radius: 100px; font-size: 13px; font-weight: 600;
  transition: all 0.25s ease;
}
.nav-cta:hover { background: var(--primary-bright); transform: translateY(-1px); }

/* HERO */
.hero { padding: 120px 0 100px; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-content { max-width: 680px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase;
  font-weight: 600; margin-bottom: 32px;
  padding: 8px 16px;
  background: rgba(91, 184, 232, 0.08);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.4); } }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 700; line-height: 0.95;
  letter-spacing: -3px;
  text-transform: uppercase;
  margin-bottom: 28px;
  color: var(--text);
}
.hero-line {
  display: block;
  opacity: 0;
  transform: translateY(24px);
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-line:nth-child(1) { animation-delay: 0.1s; }
.hero-line:nth-child(2) { animation-delay: 0.25s; }
.hero-line-accent {
  background: linear-gradient(120deg, var(--primary-bright) 0%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

.hero-sub {
  font-size: 19px; line-height: 1.65;
  color: var(--text-soft);
  margin-bottom: 40px;
  opacity: 0;
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-cta-row {
  display: flex; gap: 14px; margin-bottom: 56px;
  flex-wrap: wrap;
  opacity: 0;
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.55s forwards;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 16px 30px;
  border-radius: var(--radius-md);
  font-size: 14.5px; font-weight: 600;
  text-decoration: none; cursor: pointer; border: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--font-body);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-bright) 100%);
  color: #fff;
  box-shadow: 0 8px 28px rgba(26, 115, 232, 0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(26, 115, 232, 0.55); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-ghost {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(20px);
}
.btn-ghost:hover { border-color: var(--border-accent); background: var(--surface-2); }

.hero-meta {
  display: flex; gap: 32px; flex-wrap: wrap;
  opacity: 0;
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}
.meta-item {
  font-size: 13px; color: var(--text-dim);
  display: flex; align-items: center; gap: 8px;
}
.meta-item::before {
  content: ''; width: 4px; height: 4px;
  background: var(--accent); border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* HERO PREVIEW CARD */
.hero-preview {
  opacity: 0;
  animation: rise 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}
.preview-card {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 32px;
  backdrop-filter: blur(40px) saturate(180%);
  position: relative;
}
.preview-card::before {
  content: '';
  position: absolute; top: 0; left: 15%; right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.6;
}
.preview-card-eyebrow {
  font-size: 10px; letter-spacing: 2.5px;
  color: var(--accent); text-transform: uppercase;
  font-weight: 600; margin-bottom: 10px;
}
.preview-score-display { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.preview-score-num {
  font-family: var(--font-display);
  font-size: 92px; font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1; letter-spacing: -4px;
}
.preview-score-of { font-size: 22px; color: var(--text-mute); }
.preview-status {
  display: inline-block; padding: 4px 10px;
  background: rgba(255, 184, 77, 0.12);
  border: 1px solid rgba(255, 184, 77, 0.3);
  color: var(--warning);
  font-size: 11px; font-weight: 600;
  letter-spacing: 1px; border-radius: 6px;
  margin-bottom: 24px;
}
.preview-inversion {
  padding: 14px 0;
  border-top: 1px solid var(--border);
  display: flex; gap: 12px;
}
.preview-inversion:first-of-type { border-top: 1px solid var(--border-strong); margin-top: 8px; }
.preview-inversion-rank {
  font-family: var(--font-display);
  font-size: 22px; color: var(--text-mute);
  font-weight: 700; line-height: 1; margin-top: 2px;
  letter-spacing: -1px;
  min-width: 24px;
}
.preview-inversion-body { flex: 1; }
.preview-inversion-head {
  font-size: 13.5px; color: var(--text);
  font-weight: 500; margin-bottom: 3px;
}
.preview-inversion-tag {
  font-size: 10px; font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--inversion);
  margin-bottom: 3px;
}
.preview-inversion-impact {
  font-size: 12px; color: var(--text-dim);
}

/* SECTIONS */
.section { padding: 100px 0; position: relative; }
.section-form { padding-bottom: 140px; }
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border-strong) 50%, transparent 100%);
}
.section-header { margin-bottom: 56px; }
.section-eyebrow {
  font-size: 11px; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase;
  font-weight: 600; margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.8vw, 58px);
  font-weight: 700; letter-spacing: -1.8px;
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 16px;
  max-width: 760px;
}
.section-title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--primary-bright), var(--accent));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-sub {
  font-size: 17px; color: var(--text-soft);
  max-width: 640px; line-height: 1.6;
}

/* GLASS CARD */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(24px) saturate(150%);
  transition: all 0.3s ease;
}
.glass-card:hover {
  background: var(--surface-2);
  border-color: var(--border-accent);
}

/* STEPS */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.step { padding: 36px 28px; }
.step-num {
  font-family: var(--font-display);
  font-size: 64px; font-weight: 700;
  color: var(--accent); line-height: 1;
  margin-bottom: 24px; opacity: 0.85;
  letter-spacing: -2px;
}
.step-title { font-size: 20px; font-weight: 500; margin-bottom: 12px; letter-spacing: -0.2px; }
.step-body { font-size: 15px; color: var(--text-soft); line-height: 1.6; }

/* BLOCKS GRID */
.blocks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.block-item { padding: 28px 26px; }
.block-tag {
  font-size: 10px; letter-spacing: 2px;
  color: var(--accent); text-transform: uppercase;
  font-weight: 600; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.block-tag::before { content: ''; width: 24px; height: 1px; background: var(--accent); }
.block-name {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 10px; letter-spacing: -0.6px;
}
.block-detail { font-size: 14px; color: var(--text-soft); line-height: 1.55; }

/* FORM */
.scan-form { padding: 48px; margin-top: 48px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-field { display: flex; flex-direction: column; }
.form-field.full { margin-bottom: 22px; }
.form-field label {
  font-size: 11px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 8px; font-weight: 600;
}
.form-field input, .form-field select, .form-field textarea {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text);
  font-size: 15px;
  font-family: var(--font-body);
  transition: all 0.2s ease;
  width: 100%;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(91, 184, 232, 0.05);
  box-shadow: 0 0 0 3px rgba(91, 184, 232, 0.12);
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--text-mute); }
.form-field textarea { resize: vertical; min-height: 80px; }
.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath fill='%238C9BB0' d='M6 8L0 0h12z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.form-field select option { background: var(--ink); color: var(--text); }

.competitors-section {
  margin: 24px 0; padding: 18px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.competitors-section summary {
  cursor: pointer;
  font-size: 13px; color: var(--accent);
  font-weight: 600; list-style: none; padding: 4px 0;
}
.competitors-section summary::before { content: '+ '; font-weight: 700; margin-right: 6px; }
.competitors-section[open] summary::before { content: '− '; }
.competitors-help { font-size: 13px; color: var(--text-soft); margin: 12px 0 16px; }

.btn-submit { width: 100%; padding: 18px 32px; font-size: 15.5px; margin-top: 12px; }
.form-disclaimer {
  text-align: center; font-size: 12px;
  color: var(--text-mute); margin-top: 18px;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
  background: rgba(5, 8, 17, 0.4);
  backdrop-filter: blur(20px);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; margin-bottom: 44px; }
.footer-tag {
  font-family: var(--font-body);
  font-style: normal; font-size: 15px;
  color: var(--text-dim);
  margin-top: 16px; line-height: 1.55; max-width: 380px;
}
.footer-tag em { font-style: normal; color: var(--accent); font-weight: 600; }
.footer-eyebrow {
  font-size: 10px; letter-spacing: 2.5px;
  color: var(--accent); text-transform: uppercase;
  margin-bottom: 12px; font-weight: 600;
}
.site-footer p { font-size: 14px; color: var(--text-soft); line-height: 1.7; }
.site-footer a { color: var(--accent); text-decoration: none; }
.footer-bottom {
  padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text-mute);
}

/* RESPONSIVE */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .blocks-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .container { padding: 0 24px; }
  .hero { padding: 80px 0 60px; }
  .section { padding: 70px 0; }
  .steps, .blocks-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .nav-link { display: none; }
  .scan-form { padding: 32px 24px; }
}
@media (max-width: 560px) {
  .hero-cta-row { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}