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

:root {
  --bg: #04080f;
  --bg-2: #070e1a;
  --bg-3: #0a1220;
  --surface: #0f1a2e;
  --surface-2: #152035;
  --border: rgba(56, 189, 248, 0.1);
  --border-2: rgba(56, 189, 248, 0.18);
  --cyan: #38bdf8;
  --violet: #818cf8;
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;
  --text: #e8f4ff;
  --text-2: #7a9ab5;
  --text-3: #3d5a73;
  --grad: linear-gradient(135deg, #0ea5e9, #6366f1);
  --font: "DM Sans", sans-serif;
  --mono: "Space Mono", monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw+0.5rem, 3.6rem);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

p {
  color: var(--text-2);
}

a {
  color: var(--cyan);
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: min(92%, 1100px);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Animated BG */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse 80% 50% at 50% -5%,
      rgba(56, 189, 248, 0.08) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse 40% 40% at 90% 10%,
      rgba(99, 102, 241, 0.07) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse 30% 30% at 10% 80%,
      rgba(56, 189, 248, 0.04) 0%,
      transparent 50%
    ),
    var(--bg);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  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='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.025'/%3E%3C/svg%3E");
  background-size: 200px;
  opacity: 0.6;
}

/* ── HEADER ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(4, 8, 15, 0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  font-family: var(--mono);
}

.nav__links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav__links a {
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.btn-nav {
  background: var(--grad);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.42rem 1rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition:
    opacity 0.2s,
    transform 0.15s;
  font-family: var(--font);
}

.btn-nav:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .nav__links {
    display: none;
  }
}

/* ── HERO ── */
.hero {
  padding-block: clamp(3.5rem, 8vw, 7rem) clamp(4rem, 10vw, 8rem);
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  text-align: center;
  gap: 1.75rem;
}

.badge-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(56, 189, 248, 0.07);
  border: 1px solid rgba(56, 189, 248, 0.18);
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.28rem 0.75rem;
  border-radius: 100px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  animation: fadeUp 0.5s both;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

.hero__headline {
  animation: fadeUp 0.6s 0.1s both;
}

.hero__headline em {
  font-style: normal;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  max-width: 52ch;
  animation: fadeUp 0.6s 0.2s both;
}

/* ── AI Tools logos strip ── */
.ai-strip {
  animation: fadeUp 0.6s 0.3s both;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.ai-strip__label {
  font-size: 0.72rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.ai-logos {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.ai-logo-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  padding: 0.35rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-2);
  transition:
    border-color 0.2s,
    color 0.2s,
    background 0.2s;
}

.ai-logo-pill:hover {
  border-color: var(--border-2);
  color: var(--text);
  background: rgba(56, 189, 248, 0.05);
}

.ai-logo-pill svg,
.ai-logo-pill img {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ── SCAN FORM ── */
.scan-form {
  width: min(100%, 540px);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  animation: fadeUp 0.6s 0.35s both;
}

.scan-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.scan-input-wrap__icon {
  position: absolute;
  left: 0.9rem;
  pointer-events: none;
  color: var(--text-3);
}

#domain-input {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.95rem;
  padding: 0.95rem 0.95rem 0.95rem 2.65rem;
  border-radius: 10px;
  outline: none;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

#domain-input::placeholder {
  color: var(--text-3);
  font-family: var(--font);
}

#domain-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

#domain-input.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1);
}

/* ── Scan phone input ── */
#scan-phone {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.95rem 0.95rem 0.95rem 2.65rem;
  border-radius: 10px;
  outline: none;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

#scan-phone::placeholder {
  color: var(--text-3);
  font-family: var(--font);
}

#scan-phone:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

#scan-phone:focus ~ .scan-input-wrap__icon,
.scan-input-wrap:focus-within .scan-input-wrap__icon {
  color: var(--cyan);
}

#scan-phone.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1);
}

/* CTA bottom phone field */
#cta-phone {
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  outline: none;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

#cta-phone::placeholder {
  color: var(--text-3);
}

#cta-phone:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

.input-error {
  color: var(--red);
  font-size: 0.8rem;
  display: none;
  text-align: left;
}

.input-error.visible {
  display: block;
}

.btn-cta {
  width: 100%;
  background: var(--grad);
  color: #fff;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.95rem 2rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition:
    transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.2s,
    filter 0.2s;
  box-shadow: 0 4px 24px rgba(14, 165, 233, 0.22);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.38);
  filter: brightness(1.08);
}

.btn-cta:active {
  transform: translateY(0);
}

.btn-cta:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.scan-note {
  font-size: 0.75rem;
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

/* ── RESULT ── */
#scan-result {
  display: none;
}

#scan-result.visible {
  display: block;
}

/* Loading */
.loading-wrap {
  padding: 3rem;
  text-align: center;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.loading-wrap.visible {
  display: flex;
}

.spinner {
  width: 52px;
  height: 52px;
  border: 2.5px solid var(--surface-2);
  border-top-color: var(--cyan);
  border-right-color: var(--violet);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.loading-steps {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  width: min(100%, 300px);
}

.loading-step {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.83rem;
  color: var(--text-3);
  transition: color 0.3s;
}

.loading-step.active {
  color: var(--cyan);
}

.loading-step.done {
  color: var(--green);
}

.loading-step__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

/* Result card */
.result-card {
  background: linear-gradient(145deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 2rem;
  max-width: 720px;
  margin-inline: auto;
  display: grid;
  gap: 1.5rem;
}

.report-logo {
  display: flex;
  justify-content: center;
  padding-bottom: 1.5rem;
  margin-top: 1rem;
}

.report-logo img {
  width: 250px;
  max-width: 100%;
  height: auto;
  display: block;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.result-domain {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--cyan);
}

.result-label {
  font-size: 0.72rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.2rem;
}

.score-ring-wrap {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.score-ring {
  position: relative;
  width: 96px;
  height: 96px;
  flex-shrink: 0;
}

.score-ring svg {
  transform: rotate(-90deg);
}

.score-ring__track {
  fill: none;
  stroke: var(--surface-2);
  stroke-width: 7;
}

.score-ring__fill {
  fill: none;
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 270;
  stroke-dashoffset: 270;
  transition: stroke-dashoffset 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.score-ring__number {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--mono);
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 0.5rem;
}

.check-item {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.7rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: var(--text-2);
}

.issues-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.issue-row {
  border-radius: 8px;
  padding: 0.6rem 0.85rem;
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.issue-row.critical {
  background: rgba(248, 113, 113, 0.06);
  border: 1px solid rgba(248, 113, 113, 0.18);
}

.issue-row.warning {
  background: rgba(251, 191, 36, 0.05);
  border: 1px solid rgba(251, 191, 36, 0.15);
}

.issue-row.info {
  background: rgba(56, 189, 248, 0.04);
  border: 1px solid rgba(56, 189, 248, 0.1);
}

.issue-badge {
  flex-shrink: 0;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-top: 0.15rem;
}

.badge-critical {
  background: rgba(248, 113, 113, 0.12);
  color: var(--red);
}

.badge-warning {
  background: rgba(251, 191, 36, 0.1);
  color: var(--amber);
}

.badge-info {
  background: rgba(56, 189, 248, 0.08);
  color: var(--cyan);
}

.issue-name {
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--text);
  max-width: none;
  margin-bottom: 0.12rem;
}

.issue-msg {
  font-size: 0.78rem;
  color: var(--text-2);
  max-width: none;
}

.result-tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-3);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.32rem 0.75rem;
  border-radius: 100px;
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}

.tab-btn.active,
.tab-btn:hover {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.22);
  color: var(--cyan);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.passed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.45rem;
}

.passed-item {
  background: rgba(52, 211, 153, 0.05);
  border: 1px solid rgba(52, 211, 153, 0.12);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font-size: 0.78rem;
  color: var(--text-2);
  display: flex;
  gap: 0.45rem;
  align-items: flex-start;
}

.meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.65rem 0.9rem;
  background: var(--bg-3);
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--text-3);
  font-family: var(--mono);
}

.infra-pill {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.28rem 0.7rem;
  font-size: 0.75rem;
  color: var(--text-2);
  font-family: var(--mono);
}

.api-error {
  background: rgba(248, 113, 113, 0.07);
  border: 1px solid rgba(248, 113, 113, 0.18);
  border-radius: 12px;
  padding: 1.5rem 2rem;
  text-align: center;
  color: var(--red);
  font-size: 0.9rem;
}

.api-error button {
  margin-top: 0.6rem;
  background: transparent;
  border: 1.5px solid var(--red);
  color: var(--red);
  padding: 0.45rem 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: background 0.2s;
  font-family: var(--font);
}

.api-error button:hover {
  background: rgba(248, 113, 113, 0.1);
}

/* ══════════════════════
       LEAD CAPTURE MODAL (pós-scan)
    ══════════════════════ */
.lead-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(4, 8, 15, 0.88);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
}

.lead-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.lead-modal {
  background: linear-gradient(145deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-2);
  border-radius: 24px;
  padding: 2.25rem;
  max-width: 480px;
  width: 100%;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: grid;
  gap: 1.5rem;
}

.lead-modal-overlay.open .lead-modal {
  transform: translateY(0) scale(1);
}

.lead-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  padding: 0.35rem;
  border-radius: 6px;
  transition:
    color 0.2s,
    background 0.2s;
  font-family: var(--font);
}

.lead-modal__close:hover {
  color: var(--text);
  background: var(--bg-3);
}

.lead-modal__icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(
    135deg,
    rgba(56, 189, 248, 0.15),
    rgba(99, 102, 241, 0.15)
  );
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 16px;
  display: grid;
  place-items: center;
}

.lead-modal__title {
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.25;
}

.lead-modal__sub {
  font-size: 0.88rem;
  color: var(--text-2);
  max-width: none;
}

.lead-teaser {
  display: grid;
  gap: 0.5rem;
}

.lead-teaser-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.83rem;
  color: var(--text-2);
  padding: 0.5rem 0.75rem;
  background: rgba(56, 189, 248, 0.04);
  border: 1px solid rgba(56, 189, 248, 0.09);
  border-radius: 8px;
}

.lead-teaser-item strong {
  color: var(--text);
  font-weight: 700;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lf-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.lf-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-2);
}

.lf-group input {
  background: var(--bg-3);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  outline: none;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

.lf-group input::placeholder {
  color: var(--text-3);
}

.lf-group input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.09);
}

.lf-group input.lerr {
  border-color: var(--red);
}

.lead-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  text-align: center;
  padding: 1rem 0;
}

.lead-success[hidden] {
  display: none;
}

.lead-success__title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--green);
}

.lead-success__sub {
  font-size: 0.85rem;
  color: var(--text-2);
  max-width: none;
}

/* ── SEÇÕES ── */
section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 0.55rem;
}

.section-title {
  margin-bottom: 0.7rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 2.25rem;
}

/* AI Tools Section */
.ai-tools-section {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.ai-tools-inner {
  display: grid;
  gap: 2rem;
}

.ai-tools-heading {
  text-align: center;
  max-width: 56ch;
  margin-inline: auto;
}

.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.ai-tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
  transition:
    border-color 0.2s,
    transform 0.2s,
    background 0.2s;
  cursor: default;
}

.ai-tool-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
  background: var(--surface-2);
}

.ai-tool-card__logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.ai-tool-card__name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
}

.ai-tool-card__desc {
  font-size: 0.72rem;
  color: var(--text-3);
  max-width: none;
}

/* Problems */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.1rem;
}

.problem-card {
  background: linear-gradient(145deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition:
    border-color 0.2s,
    transform 0.2s;
}

.problem-card:hover {
  border-color: rgba(56, 189, 248, 0.22);
  transform: translateY(-2px);
}

.problem-card__icon {
  width: 40px;
  height: 40px;
  background: rgba(56, 189, 248, 0.07);
  border: 1px solid rgba(56, 189, 248, 0.12);
  border-radius: 10px;
  display: grid;
  place-items: center;
}

.problem-card__tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.18rem 0.5rem;
  border-radius: 100px;
}

.tag-critical {
  background: rgba(248, 113, 113, 0.1);
  color: var(--red);
  border: 1px solid rgba(248, 113, 113, 0.18);
}

.tag-high {
  background: rgba(251, 191, 36, 0.08);
  color: var(--amber);
  border: 1px solid rgba(251, 191, 36, 0.18);
}

.tag-medium {
  background: rgba(56, 189, 248, 0.07);
  color: var(--cyan);
  border: 1px solid rgba(56, 189, 248, 0.13);
}

.problem-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.problem-card__desc {
  font-size: 0.82rem;
  color: var(--text-2);
  max-width: none;
}

/* How */
.how-section {
  background: var(--bg-2);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.4rem;
}

.step-card {
  background: linear-gradient(145deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1rem;
  background: var(--grad);
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 18px rgba(14, 165, 233, 0.25);
  font-family: var(--mono);
}

/* Score example */
.score-example-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 680px) {
  .score-example-wrap {
    grid-template-columns: 1fr;
  }
}

.score-bars {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.score-bar-item {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.score-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-2);
}

.score-bar-track {
  height: 7px;
  background: var(--surface-2);
  border-radius: 100px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 100px;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.score-bar-fill.animate {
  transform: scaleX(1);
}

.bar-green {
  background: linear-gradient(90deg, #34d399, #059669);
}

.bar-yellow {
  background: linear-gradient(90deg, #fbbf24, #d97706);
}

.bar-red {
  background: linear-gradient(90deg, #f87171, #dc2626);
}

.bar-blue {
  background: linear-gradient(90deg, #38bdf8, #0ea5e9);
}

/* Contact */
.contact-section {
  background: var(--bg-2);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 820px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.contact-benefits {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.contact-benefits li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--text-2);
}

.benefit-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.18);
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--green);
  margin-top: 0.1rem;
}

.contact-card {
  background: linear-gradient(145deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2rem;
  position: relative;
}

.contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(56, 189, 248, 0.35),
    transparent
  );
  border-radius: 100px;
}

.contact-card__header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}

.contact-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.contact-card__sub {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 0.08rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.cfield-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.cfield-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-2);
}

.cfield-group input,
.cfield-group textarea {
  background: var(--bg-3);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.88rem;
  padding: 0.65rem 0.85rem;
  border-radius: 9px;
  outline: none;
  width: 100%;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
  resize: vertical;
}

.cfield-group input::placeholder,
.cfield-group textarea::placeholder {
  color: var(--text-3);
}

.cfield-group input:focus,
.cfield-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.08);
}

.cfield-group input.field-error,
.cfield-group textarea.field-error {
  border-color: var(--red);
}

.contact-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  text-align: center;
  padding: 2rem 1rem;
}

.contact-success[hidden] {
  display: none;
}

.contact-success__title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--green);
}

.contact-success__sub {
  font-size: 0.88rem;
  color: var(--text-2);
  max-width: none;
}

.btn-secondary {
  width: 100%;
  background: transparent;
  border: 1.5px solid var(--violet);
  color: var(--violet);
  font-size: 0.93rem;
  font-weight: 700;
  padding: 0.82rem 2rem;
  border-radius: 10px;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.15s;
  font-family: var(--font);
}

.btn-secondary:hover {
  background: rgba(129, 140, 248, 0.1);
  transform: translateY(-1px);
}

/* CTA Final */
.cta-section {
  text-align: center;
  background:
    radial-gradient(
      ellipse 60% 70% at 50% 50%,
      rgba(56, 189, 248, 0.06) 0%,
      transparent 65%
    ),
    var(--bg);
}

.cta-form {
  display: flex;
  gap: 0.65rem;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 500px;
  margin-inline: auto;
}

.cta-form input {
  flex: 1 1 240px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-size: 0.9rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s;
  font-family: var(--font);
}

.cta-form input:focus {
  border-color: var(--cyan);
}

.cta-form .btn-cta {
  flex: 0 1 auto;
  padding: 0.85rem 1.5rem;
  font-size: 0.9rem;
  width: auto;
}

/* Footer */
footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding-block: 2.25rem;
}

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

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-3);
}

.footer-links {
  display: flex;
  gap: 1.4rem;
}

.footer-links a {
  font-size: 0.78rem;
  color: var(--text-3);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-2);
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes checkPop {
  0% {
    transform: scale(0);
    opacity: 0;
  }

  60% {
    transform: scale(1.2);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-1 {
  transition-delay: 0.05s;
}

.reveal-2 {
  transition-delay: 0.12s;
}

.reveal-3 {
  transition-delay: 0.2s;
}

.reveal-4 {
  transition-delay: 0.28s;
}

.reveal-5 {
  transition-delay: 0.36s;
}

.reveal-6 {
  transition-delay: 0.44s;
}

.gradient-text {
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Vullner Premium CSS
  Foco: Modernidade, Fluidez e Intuição
*/

:root {
  --bg: #03060b;
  --bg-2: #070c17;
  --bg-3: #0a1428;
  --surface: rgba(15, 26, 46, 0.6);
  --surface-hover: rgba(21, 32, 53, 0.8);
  --border: rgba(56, 189, 248, 0.12);
  --border-glow: rgba(56, 189, 248, 0.3);

  --cyan: #38bdf8;
  --violet: #818cf8;
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;

  --text: #f0f7ff;
  --text-2: #94a3b8;
  --text-3: #475569;

  --grad: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
  --grad-hover: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);

  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --mono: "Space Mono", monospace;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 12px 24px -6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 40px -12px rgba(0, 0, 0, 0.5);
  --glow-cyan: 0 0 20px rgba(56, 189, 248, 0.25);
}

/* --- RESET & BASE --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background Animado Moderno */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(
      circle at 20% 20%,
      rgba(56, 189, 248, 0.05) 0%,
      transparent 40%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(129, 140, 248, 0.05) 0%,
      transparent 40%
    );
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-3);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-3);
}

/* --- TYPOGRAPHY --- */
h1,
h2,
h3,
h4 {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

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

/* --- LAYOUT --- */
.container {
  width: min(90%, 1200px);
  margin-inline: auto;
}

/* --- HEADER --- */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(3, 6, 11, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
  position: relative;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.nav__logo-image {
  width: 80%;
  max-height: 25%;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
  gap: 0.35rem;
  flex-direction: column;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--text);
  border-radius: 999px;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}

.nav__links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  list-style: none;
}

.nav__links a {
  text-decoration: none;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav__links a:hover {
  color: var(--cyan);
}

.btn-nav {
  background: var(--grad);
  color: white;
  border: none;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}

/* --- HERO --- */
.hero {
  padding-block: clamp(5rem, 12vw, 10rem);
  text-align: center;
  position: relative;
}

.badge {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s ease;
}

.hero__headline em {
  font-style: normal;
  color: var(--cyan);
  position: relative;
}

.hero__headline em::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(56, 189, 248, 0.15);
  z-index: -1;
}

.hero__sub {
  color: var(--text-2);
  max-width: 60ch;
  margin-inline: auto;
  font-size: 1.15rem;
  margin-bottom: 3rem;
  animation: fadeInUp 1s 0.2s both;
}

/* --- SCAN FORM --- */
.scan-form {
  max-width: 600px;
  margin-inline: auto;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 1s 0.4s both;
}

.scan-input-wrap {
  position: relative;
}

#domain-input {
  width: 100%;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 1rem;
  transition: all 0.3s ease;
}

#domain-input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.1);
}

.scan-input-wrap__icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
}

.btn-cta {
  background: var(--grad);
  color: white;
  border: none;
  padding: 1.25rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.4);
}

/* --- AI TOOLS SECTION --- */
.ai-tools-section {
  padding-block: 8rem;
  background: radial-gradient(circle at center, var(--bg-2) 0%, var(--bg) 100%);
}

.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 4rem;
}

.ai-tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: 24px;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  cursor: default;
}

.ai-tool-card:hover {
  background: var(--surface-hover);
  border-color: var(--border-glow);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.ai-tool-card__logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
}

.ai-tool-card__name {
  display: block;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.ai-tool-card__desc {
  color: var(--text-2);
  font-size: 0.9rem;
}

/* --- ANIMATIONS --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    right: 1rem;
    left: 1rem;
    background: rgba(3, 6, 11, 0.96);
    backdrop-filter: blur(18px);
    flex-direction: column;
    gap: 1rem;
    padding: 1.2rem;
    border-radius: 24px;
    border: 1px solid rgba(56, 189, 248, 0.12);
    box-shadow: 0 30px 120px rgba(0, 0, 0, 0.18);
    z-index: 1001;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links li {
    width: 100%;
  }

  .nav__links a,
  .nav__links .btn-nav {
    width: 100%;
  }

  h1 {
    font-size: 2.2rem;
  }

  .hero {
    padding-block: 4rem;
  }
}

/* Reveal on Scroll (Classes para o seu JS de scroll) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
