/* ============================================================
   SIGANET - Landing Page para corretores de imóveis
   CSS estático (sem frameworks)
   ============================================================ */

:root {
  /* Cores */
  --bg: #0a1018;
  --bg-soft: #0c141f;
  --bg-hero-1: #071018;
  --bg-hero-2: #0e2a4d;
  --bg-hero-3: #1666c4;
  --card: #101b28;
  --card-2: #0f1a27;
  --card-good: #10203a;
  --border: #1d2a3a;
  --border-blue: #1f4b86;

  --text: #eaf1f8;
  --text-muted: #93a4b8;
  --text-dim: #7d8ea3;

  --blue: #2b8cf0;
  --blue-strong: #1877e6;
  --blue-soft: #6fb4ff;
  --red: #ef4444;
  --green: #2fae4a;

  /* Tipografia */
  --font: "Segoe UI", "Helvetica Neue", Arial, system-ui, -apple-system, sans-serif;

  /* Layout */
  --container: 1160px;
  --gutter: 24px;
  --radius: 14px;
  --radius-lg: 20px;

  /* Sombras */
  --shadow-card: 0 18px 40px -24px rgba(0, 0, 0, 0.8);
  --shadow-blue: 0 24px 60px -28px rgba(43, 140, 240, 0.55);
  --shadow-btn: 0 12px 26px -12px rgba(24, 119, 230, 0.7);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

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

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

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue);
  color: #fff;
  padding: 10px 16px;
  z-index: 100;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--blue-soft);
  outline-offset: 3px;
}

/* ------------------------- Utilitários ------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.center {
  text-align: center;
}

.text-blue {
  color: var(--blue);
}

.text-red {
  color: var(--red);
}

.eyebrow {
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section {
  padding: 96px 0;
}

.section--tight {
  padding: 56px 0;
}

.section__title {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 800;
}

.section__subtitle {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 620px;
}

.center.section__subtitle {
  margin-left: auto;
  margin-right: auto;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

/* Animação de entrada */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ------------------------- Botões ------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn--sm {
  padding: 10px 18px;
  font-size: 0.82rem;
}

.btn--primary {
  background: var(--blue-strong);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  background: #2b8cf0;
  transform: translateY(-2px);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: #2a3a4d;
  color: var(--text);
}

.btn--ghost:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.arrow,
.play {
  font-size: 0.9em;
}

/* ------------------------- Header ------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(8, 15, 24, 0.88);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.header__logo img {
  width: 150px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.nav > a:not(.btn) {
  font-size: 0.86rem;
  color: #cfdcea;
  transition: color 0.2s ease;
}

.nav > a:not(.btn):hover {
  color: #fff;
}

.nav__cta {
  display: none;
}

.header__cta {
  margin-left: 8px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle span + span {
  margin-top: 5px;
}

.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ------------------------- Hero ------------------------- */
.hero {
  position: relative;
  padding: 150px 0 110px;
  background:
    radial-gradient(1100px 560px at 88% -8%, var(--bg-hero-3) 0%, rgba(22, 102, 196, 0) 58%),
    radial-gradient(900px 520px at 60% 0%, var(--bg-hero-2) 0%, rgba(14, 42, 77, 0) 65%),
    linear-gradient(180deg, #081420 0%, var(--bg-hero-1) 60%, var(--bg) 100%);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid #23374d;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: #b9c9da;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  margin-bottom: 26px;
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

.hero__title {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.hero__text {
  margin-top: 20px;
  max-width: 500px;
  color: #b6c6d7;
  font-size: 1rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 34px;
  color: #7f92a7;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__badges li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero__badges .i {
  color: var(--blue);
}

.hero__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-blue);
}

.hero__media img {
  width: 100%;
  border-radius: var(--radius-lg);
}

/* ------------------------- Comparativo ------------------------- */
.compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.compare__card {
  padding: 28px 26px;
}

.compare__card--good {
  border-color: var(--border-blue);
  background: linear-gradient(180deg, #12233b 0%, #0e1b2c 100%);
  box-shadow: 0 26px 60px -30px rgba(43, 140, 240, 0.6);
}

.compare__title {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.mark {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.6rem;
  margin-top: 3px;
}

.mark--bad {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.mark--good {
  background: var(--blue-strong);
  color: #fff;
}

/* ------------------------- Funcionalidades ------------------------- */
.features {
  margin-top: 48px;
}

.feature {
  padding: 26px 24px 28px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.feature:hover {
  transform: translateY(-4px);
  border-color: var(--border-blue);
}

.feature__icon,
.step__icon,
.perk__icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(43, 140, 240, 0.14);
  border: 1px solid rgba(43, 140, 240, 0.25);
  margin-bottom: 20px;
}

.feature__icon svg,
.step__icon svg,
.perk__icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--blue-soft);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature p {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ------------------------- Como funciona ------------------------- */
.steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
}

.steps__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9);
}

.steps__list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
}

.step__icon {
  margin-bottom: 0;
  flex: 0 0 auto;
  background: var(--blue-strong);
  border-color: var(--blue-strong);
}

.step__icon svg {
  stroke: #fff;
}

.step h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.step__num {
  color: var(--blue);
  font-size: 0.72rem;
  margin-right: 6px;
}

.step p {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.step--active {
  border-color: var(--border-blue);
  background: linear-gradient(180deg, #12233b 0%, #0e1b2c 100%);
}

/* ------------------------- Depoimentos ------------------------- */
.testimonials {
  margin-top: 48px;
}

.testimonial {
  padding: 24px 22px;
}

.stars {
  color: var(--blue);
  letter-spacing: 0.16em;
  font-size: 0.8rem;
  margin-bottom: 16px;
}

.testimonial blockquote {
  margin: 0 0 22px;
  color: #cbd8e6;
  font-size: 0.88rem;
  line-height: 1.65;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--blue-strong);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.testimonial__author strong {
  display: block;
  font-size: 0.84rem;
}

.testimonial__author span {
  color: var(--text-dim);
  font-size: 0.74rem;
}

/* ------------------------- Diferenciais ------------------------- */
.perks {
  text-align: center;
}

.perk__icon {
  margin: 0 auto 16px;
}

.perk h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.perk p {
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ------------------------- CTA final ------------------------- */
.cta-box {
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-lg);
  padding: 64px 32px 56px;
  text-align: center;
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(24, 119, 230, 0.28) 0%, rgba(24, 119, 230, 0) 70%),
    linear-gradient(180deg, #0f1e33 0%, #0b1626 100%);
  box-shadow: 0 40px 90px -50px rgba(43, 140, 240, 0.8);
}

.cta-box__actions {
  margin-top: 32px;
}

.cta-box__note {
  margin-top: 18px;
  color: var(--text-dim);
  font-size: 0.75rem;
}

/* ------------------------- Footer ------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 56px 0 28px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 40px;
}

.footer__brand img {
  width: 150px;
  margin-bottom: 16px;
}

.footer__brand p {
  color: var(--text-dim);
  font-size: 0.83rem;
  max-width: 320px;
}

.footer__col h3 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer__col a,
.footer__col p {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.83rem;
  margin-bottom: 10px;
}

.footer__col a:hover {
  color: #fff;
}

.footer__col .i {
  color: var(--blue);
  flex: 0 0 auto;
  line-height: 1.5;
}

.footer__col p a {
  margin: 0;
}

.footer__bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: #64768a;
  font-size: 0.76rem;
}

/* ============================================================
   RESPONSIVO
   ============================================================ */

/* Notebook */
@media (max-width: 1100px) {
  :root {
    --container: 960px;
  }

  .section {
    padding: 80px 0;
  }

  .nav {
    gap: 22px;
  }

  .steps {
    gap: 36px;
  }
}

/* Tablet */
@media (max-width: 900px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    padding: 130px 0 80px;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__media {
    max-width: 520px;
    margin: 0 auto;
  }

  .hero__text {
    max-width: none;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .steps__content {
    order: -1;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  /* Menu sanduíche */
  .nav-toggle {
    display: block;
  }

  .header__cta {
    display: none;
  }

  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    display: grid;
    gap: 4px;
    margin: 0;
    padding: 18px var(--gutter) 28px;
    background: rgba(8, 15, 24, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

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

  .nav > a:not(.btn) {
    padding: 14px 4px;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav__cta {
    display: inline-flex;
    justify-content: center;
    margin-top: 16px;
    padding: 14px 20px;
    font-size: 0.9rem;
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --gutter: 18px;
  }

  .section {
    padding: 64px 0;
  }

  .section--tight {
    padding: 44px 0;
  }

  .hero {
    padding: 116px 0 64px;
  }

  .hero__title {
    font-size: clamp(2.3rem, 12vw, 3rem);
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero__badges {
    gap: 14px 20px;
    font-size: 0.64rem;
  }

  .compare {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .features,
  .testimonials {
    margin-top: 34px;
  }

  .perks {
    gap: 28px;
  }

  .cta-box {
    padding: 44px 20px 40px;
  }

  .cta-box .btn {
    width: 100%;
    justify-content: center;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__brand {
    grid-column: auto;
  }
}