/* ============================================================
   Qahal — Site Institucional
   Paleta: preto + branco + dourado
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --gold:        #c4a96e;
  --gold-light:  #e8d49a;
  --gold-dark:   #a88b52;
  --black:       #0a0a0a;
  --dark:        #2d2d2d;
  --dark-2:      #1a1a1a;
  --white:       #ffffff;
  --beige:       #f0ede8;
  --beige-2:     #e8e4de;
  --text-dark:   #111111;
  --text-body:   #555555;
  --text-subtle: #999999;

  --font-brand:  'Lilita One', cursive;
  --font-title:  'Playfair Display', serif;
  --font-body:   'Inter', sans-serif;

  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 24px rgba(0,0,0,0.10);
  --shadow-gold: 0 4px 24px rgba(196,169,110,0.20);
  --transition:  0.3s ease;
}

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

html { scroll-behavior: smooth; overflow-x: hidden; }

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

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---------- Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gold-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--gold-light), var(--gold), transparent);
  border: none;
  margin: 0;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-dark);
}

.section-title.light { color: var(--white); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 760px;
  margin-top: 12px;
}

.section-subtitle.light { color: rgba(255,255,255,0.7); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--black);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.4);
}

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

.btn-outline-dark {
  background: transparent;
  color: var(--text-dark);
  border: 1.5px solid var(--text-dark);
}

.btn-outline-dark:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-ghost {
  background: transparent;
  color: var(--gold);
  border: 1.5px solid var(--gold);
}

.btn-ghost:hover {
  background: var(--gold);
  color: var(--black);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

.navbar.scrolled {
  background-color: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  padding: 10px 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-logo img {
  height: 32px;
  width: 32px;
  object-fit: contain;
}

.navbar-logo-text {
  font-family: var(--font-brand);
  font-size: 1.4rem;
  color: var(--white);
  letter-spacing: 0.02em;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition);
}

.navbar-links a:hover { color: var(--gold); }

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

.btn-login {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  padding: 8px 20px;
  border-radius: 6px;
  border: 1.5px solid rgba(255,255,255,0.3);
  transition: var(--transition);
}

.btn-login:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.navbar-cta .navbar-btn-cadastrar {
  padding: 8px 14px;
  font-size: 0.88rem;
}

/* Mobile menu toggle */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10,10,10,0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-nav.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: var(--white);
  transition: color var(--transition);
}

.mobile-nav a:hover { color: var(--gold); }

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  background: var(--black);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(196,169,110,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(196,169,110,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(196,169,110,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,169,110,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  width: 100%;
  padding: 120px 24px 80px;
}

/* Hero logo frame — para logos com fundo branco sobre hero escuro */
.hero-logo-frame {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  padding: 20px;
  overflow: hidden;
  box-shadow:
    0 0 0 4px rgba(196,169,110,0.25),
    0 0 0 10px rgba(196,169,110,0.08),
    0 16px 48px rgba(0,0,0,0.4);
  animation: heroFadeIn 1s ease both;
}

.hero-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-brand {
  font-family: var(--font-brand);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  color: var(--white);
  letter-spacing: 0.04em;
  animation: heroFadeIn 1s ease 0.1s both;
}

.hero-brand span {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(196,169,110,0.12);
  border: 1px solid rgba(196,169,110,0.3);
  color: var(--gold-light);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  animation: heroFadeIn 1s ease 0.2s both;
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  color: var(--white);
  line-height: 1.2;
  max-width: 760px;
  margin: 0 auto 20px;
  animation: heroFadeIn 1s ease 0.3s both;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  max-width: 580px;
  margin: 0 auto 40px;
  animation: heroFadeIn 1s ease 0.4s both;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: heroFadeIn 1s ease 0.5s both;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll svg { width: 20px; height: 20px; }

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ---------- About / Pillars Section ---------- */
.section-about {
  padding: 100px 0;
  background: var(--beige);
}

.about-header {
  text-align: center;
  margin-bottom: 64px;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pillar-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(196,169,110,0.1);
}

.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.pillar-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(196,169,110,0.15), rgba(232,212,154,0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(196,169,110,0.2);
}

.pillar-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pillar-title {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.pillar-desc {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.65;
}

/* ---------- Features Section ---------- */
.section-features {
  padding: 100px 0;
  background: var(--white);
}

.features-header {
  text-align: center;
  margin-bottom: 56px;
}

.features-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.tab-btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid rgba(0,0,0,0.1);
  background: transparent;
  color: var(--text-body);
  transition: var(--transition);
  font-family: var(--font-body);
}

.tab-btn:hover {
  border-color: var(--gold);
  color: var(--gold-dark);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-color: transparent;
  color: var(--black);
  box-shadow: 0 4px 16px rgba(196,169,110,0.3);
}

.features-display {
  display: none;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  align-items: center;
}

.features-display.active { display: grid; }

.feature-info {}

.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(196,169,110,0.1);
  border: 1px solid rgba(196,169,110,0.25);
  color: var(--gold-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.feature-title {
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.25;
}

.feature-desc {
  font-size: 0.98rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-body);
}

.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c4a96e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
}

.feature-screenshot {
  position: relative;
}

.screenshot-frame {
  background: var(--beige);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.06),
    0 20px 60px rgba(0,0,0,0.12),
    0 4px 16px rgba(0,0,0,0.08);
}

.screenshot-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  padding: 0 4px;
}

.screenshot-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.screenshot-dot:nth-child(1) { background: #ff5f57; }
.screenshot-dot:nth-child(2) { background: #ffbd2e; }
.screenshot-dot:nth-child(3) { background: #28c840; }

.screenshot-img {
  border-radius: 8px;
  width: 100%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transition: transform 0.4s ease;
  cursor: zoom-in;
}

.feature-screenshot:hover .screenshot-img { transform: scale(1.01); }

/* ---------- Lightbox ---------- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox.open { display: flex; }

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(6px);
  cursor: zoom-out;
}

.lightbox-content {
  position: relative;
  z-index: 1;
  max-width: min(90vw, 1100px);
  width: 100%;
  animation: lbIn 0.25s ease both;
}

.lightbox-frame {
  background: var(--beige);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow:
    0 0 0 1px rgba(196,169,110,0.2),
    0 32px 80px rgba(0,0,0,0.5);
}

.lightbox-img {
  border-radius: 8px;
  width: 100%;
  display: block;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -16px;
  right: -16px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  transition: var(--transition);
}

.lightbox-close:hover {
  background: var(--beige);
  transform: scale(1.1);
}

.lightbox-close svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-dark);
}

@keyframes lbIn {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}

/* ---------- How It Works ---------- */
.section-how {
  padding: 100px 0;
  background: var(--dark-2);
}

.how-header {
  text-align: center;
  margin-bottom: 72px;
}

.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.steps-row::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.step-number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(196,169,110,0.4);
}

.step-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* ---------- Trial / Experimente Section ---------- */
.section-trial {
  padding: 100px 0;
  background: var(--beige);
}

.trial-inner {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
  border: 1px solid rgba(196,169,110,0.15);
  box-shadow: 0 8px 48px rgba(0,0,0,0.06);
  position: relative;
  overflow: hidden;
}

.trial-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--gold-light), var(--gold), transparent);
}

.trial-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(196,169,110,0.12);
  border: 1px solid rgba(196,169,110,0.3);
  color: var(--gold-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.trial-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.trial-title span {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.trial-sub {
  font-size: 1rem;
  color: var(--text-body);
  max-width: 520px;
  margin: 0 auto 40px;
}

.trial-benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 600px;
  margin: 0 auto 40px;
  text-align: left;
}

.trial-benefit {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-body);
}

.trial-benefit::before {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c4a96e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
}

.trial-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.trial-note {
  font-size: 0.82rem;
  color: var(--text-subtle);
  max-width: 480px;
  line-height: 1.6;
}

/* ---------- Contact Section ---------- */
.section-contact {
  padding: 100px 0;
  background: var(--black);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: flex-start;
}

.contact-info {}

.contact-info .section-title { margin-bottom: 16px; }
.contact-info .section-subtitle { margin-bottom: 40px; }

.contact-detail {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  transition: border-color var(--transition);
}

.contact-detail:hover { border-color: rgba(196,169,110,0.2); }

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(196,169,110,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-detail-text {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 2px;
}

.contact-detail-value {
  font-size: 0.95rem;
  color: var(--white);
  font-weight: 500;
}

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: #25D366;
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  margin-top: 8px;
}

.whatsapp-btn:hover {
  background: #1eb355;
  transform: translateY(-2px);
}

.whatsapp-btn svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

/* ---------- Contact Form ---------- */
.contact-form-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.93rem;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}

.form-group select option { background: var(--dark); color: var(--white); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: rgba(196,169,110,0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.25);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--black);
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.form-submit:hover {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-message {
  margin-top: 16px;
  padding: 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
  text-align: center;
}

.form-message.success {
  background: rgba(40,200,100,0.15);
  border: 1px solid rgba(40,200,100,0.3);
  color: #5fe89f;
  display: block;
}

.form-message.error {
  background: rgba(220,60,60,0.15);
  border: 1px solid rgba(220,60,60,0.3);
  color: #f08080;
  display: block;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--black);
  padding: 60px 0 32px;
  border-top: none;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {}

.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-logo-wrap img { height: 28px; width: 28px; object-fit: contain; }

.footer-logo-name {
  font-family: var(--font-brand);
  font-size: 1.3rem;
  color: var(--white);
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-col ul a:hover { color: var(--gold-light); }

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
  transition: color var(--transition);
}

.footer-contact-item:hover { color: var(--gold-light); }

.footer-contact-item svg {
  width: 14px;
  height: 14px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom a {
  color: rgba(255,255,255,0.3);
  transition: color var(--transition);
}

.footer-bottom a:hover { color: var(--gold); }

/* ---------- Navbar IA Link ---------- */
.nav-ia-link {
  position: relative;
  color: var(--gold) !important;
  font-weight: 600 !important;
}


/* ---------- Hero AI Badge ---------- */
.hero-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(196,169,110,0.12);
  border: 1px solid rgba(196,169,110,0.35);
  color: var(--gold-light);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.hero-ai-badge svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ---------- Section IA (Dedicated) ---------- */
.section-ia {
  padding: 100px 0;
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.section-ia::before {
  content: '';
  position: absolute;
  top: -300px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(196,169,110,0.07) 0%, transparent 65%);
  pointer-events: none;
}

.ia-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 72px;
  align-items: center;
}

.ia-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(196,169,110,0.1);
  border: 1px solid rgba(196,169,110,0.3);
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.ia-badge svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.ia-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.ia-title span { color: var(--gold); }

.ia-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.68);
  line-height: 1.8;
  margin-bottom: 32px;
}

.ia-feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 40px;
}

.ia-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.5;
}

.ia-feature-item svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ia-screenshot-wrap {
  position: relative;
}

.ia-screenshot-wrap::before {
  content: '';
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse at center, rgba(196,169,110,0.12) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.ia-screenshot-frame {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(196,169,110,0.18);
  box-shadow:
    0 32px 80px rgba(0,0,0,0.6),
    0 0 0 1px rgba(196,169,110,0.08);
}

.ia-screenshot-frame img {
  width: 100%;
  display: block;
}

/* ---------- WhatsApp Float Button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 998;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

/* ---------- Pillar IA Card ---------- */
.pillars-grid {
  grid-template-columns: repeat(4, 1fr);
}

.pillar-card--ai {
  position: relative;
  background: linear-gradient(145deg, var(--black), #1a1500);
  border: 1px solid rgba(196,169,110,0.3);
  box-shadow: 0 4px 32px rgba(196,169,110,0.1);
}

.pillar-card--ai .pillar-title,
.pillar-card--ai .pillar-desc { color: var(--white); }
.pillar-card--ai .pillar-desc { color: rgba(255,255,255,0.65); }

.pillar-icon--ai {
  background: linear-gradient(135deg, rgba(196,169,110,0.25), rgba(232,212,154,0.15)) !important;
  border-color: rgba(196,169,110,0.4) !important;
}

.pillar-icon--ai svg {
  width: 26px;
  height: 26px;
  fill: var(--gold);
  stroke: none;
}

.pillar-ai-tag {
  display: inline-block;
  background: var(--gold);
  color: var(--black);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}

/* ---------- Tab Button IA ---------- */
.tab-btn--ai {
  border-color: rgba(196,169,110,0.4) !important;
  color: var(--gold-dark) !important;
  background: rgba(196,169,110,0.05) !important;
}

.tab-btn--ai:hover,
.tab-btn--ai.active {
  background: linear-gradient(135deg, var(--gold), var(--gold-light)) !important;
  border-color: transparent !important;
  color: var(--black) !important;
}

/* ---------- Trial IA Benefit ---------- */
.trial-benefit--ai {
  background: linear-gradient(135deg, rgba(196,169,110,0.15), rgba(232,212,154,0.08)) !important;
  border: 1px solid rgba(196,169,110,0.35) !important;
  color: var(--gold-light) !important;
  font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features-display.active { grid-template-columns: 1fr; }
  .feature-screenshot { order: -1; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .ia-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .navbar-links { display: none; }
  .hamburger { display: flex; }

  .pillars-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .steps-row { grid-template-columns: 1fr 1fr; gap: 40px; }
  .steps-row::before { display: none; }
  .trial-inner { padding: 40px 24px; }
  .trial-benefits { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .features-tabs { gap: 6px; }
  .tab-btn { padding: 8px 14px; font-size: 0.8rem; }
}

@media (max-width: 480px) {
  .btn-login { display: none; }
  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .steps-row { grid-template-columns: 1fr; }
  .contact-form-card { padding: 24px; }
  .pillars-grid { grid-template-columns: 1fr; }
}