/*
Theme Name: iA4 Real Estate
Theme URI: https://www.ia4realestate.com
Author: Digy Marketing
Author URI: https://digymkt.com
Description: Landing page profesional para iA4 Real Estate — Automatización con IA para inmobiliarias
Version: 1.0.3
License: Proprietary
Text Domain: ia4realestate
Tags: landing-page, one-page, real-estate, ai, automation
*/

/* ==========================================================================
   DESIGN TOKENS
   ========================================================================== */
:root {
  --gold:          #C9A633;
  --gold-hover:    #B8912C;
  --gold-pale:     rgba(201,166,51,0.12);
  --dark:          #221D19;
  --taupe:         #5C5249;
  --taupe-light:   #7A6E65;
  --cream:         #F2EDE3;
  --cream-dark:    #E5DDD0;
  --white:         #FFFFFF;
  --text:          #1A1410;
  --text-mid:      #5C5249;
  --text-light:    #9A8C7F;
  --border:        rgba(201,166,51,0.25);

  --font-display:  'Plus Jakarta Sans', sans-serif;
  --font-body:     'Inter', sans-serif;

  --radius:        10px;
  --radius-lg:     18px;
  --radius-full:   100px;
  --transition:    0.3s cubic-bezier(0.4,0,0.2,1);

  --max-w:         1180px;
  --max-w-narrow:  760px;
  --section-v:     100px;
  --section-v-sm:  64px;
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width:100%; height:auto; display:block; }
a { color:inherit; text-decoration:none; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
ul { list-style:none; }

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
.ia4-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}
h1,h2,h3,h4,h5 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
}
.ia4-h1 { font-size: clamp(42px,5.5vw,72px); }
.ia4-h2 { font-size: clamp(32px,3.5vw,52px); }
.ia4-h3 { font-size: clamp(20px,2vw,26px); font-weight:700; }
.ia4-h4 { font-size: 18px; font-weight:700; }
.ia4-body-lg { font-size: 18px; line-height: 1.7; }
.ia4-body    { font-size: 16px; line-height: 1.7; }
.ia4-body-sm { font-size: 14px; line-height: 1.6; }

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.ia4-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.ia4-container--narrow {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  padding: 0 24px;
}
.ia4-section { padding: var(--section-v) 0; }
.ia4-section--sm { padding: var(--section-v-sm) 0; }
.ia4-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.ia4-grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.ia4-grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.ia4-flex { display:flex; align-items:center; }
.ia4-flex--gap { gap:16px; }
.ia4-text-center { text-align:center; }

/* Section Intro Header */
.ia4-section-header { margin-bottom: 56px; }
.ia4-section-header .ia4-eyebrow { margin-bottom:12px; }
.ia4-section-header .ia4-h2 { margin-bottom:16px; }
.ia4-section-header p { color:var(--text-mid); max-width:560px; }
.ia4-section-header.ia4-text-center p { margin:0 auto; }

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.ia4-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: var(--transition);
  white-space: nowrap;
}
.ia4-btn--primary {
  background: var(--gold);
  color: var(--dark);
}
.ia4-btn--primary:hover {
  background: var(--gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(201,166,51,0.35);
}
.ia4-btn--outline {
  border: 2px solid rgba(255,255,255,0.4);
  color: var(--white);
}
.ia4-btn--outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.ia4-btn--dark {
  background: var(--dark);
  color: var(--white);
}
.ia4-btn--dark:hover {
  background: var(--taupe);
  transform: translateY(-2px);
}
.ia4-btn--lg {
  padding: 20px 40px;
  font-size: 17px;
}
.ia4-btn svg { width:18px; height:18px; flex-shrink:0; }

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
#ia4-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: var(--transition);
}
#ia4-nav .ia4-nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#ia4-nav.nav-transparent .ia4-nav-inner { border-bottom: 1px solid rgba(255,255,255,0.08); }
#ia4-nav.nav-scrolled {
  background: rgba(22,18,14,0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 32px rgba(0,0,0,0.25);
}
#ia4-nav.nav-scrolled .ia4-nav-inner { height: 64px; }
#ia4-nav.nav-scrolled .ia4-nav-logo img { height: 48px; }
.ia4-nav-logo img { transition: height 0.35s ease; }

.ia4-nav-logo img {
  height: 120px;
  width: auto;
  object-fit: contain;
}
.ia4-nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.ia4-nav-links a {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.02em;
  transition: var(--transition);
}
.ia4-nav-links a:hover { color: var(--gold); }
.ia4-nav-cta { margin-left: 16px; }
.ia4-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.ia4-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
/* Mobile Nav */
.ia4-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1002;
  background: var(--dark);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.ia4-mobile-menu.is-open { display:flex; }
.ia4-mobile-menu a {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  transition: var(--transition);
}
.ia4-mobile-menu a:hover { color: var(--gold); }
.ia4-mobile-close {
  position: fixed;
  top: 20px;
  right: 20px;
  font-size: 32px;
  color: var(--white);
  padding: 12px;
  z-index: 1003;
  line-height: 1;
  cursor: pointer;
  min-width: 48px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   HERO
   ========================================================================== */
#ia4-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--dark);
  overflow: hidden;
}
.ia4-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 70% 110%, rgba(92,82,73,0.45) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 60%, rgba(201,166,51,0.06) 0%, transparent 50%),
    linear-gradient(160deg, #1A1410 0%, #221D19 40%, #2E2720 100%);
  z-index: 0;
}
.ia4-hero-city {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 55%;
  z-index: 1;
  opacity: 0.18;
}
.ia4-hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,166,51,0.12) 0%, transparent 70%);
  top: -100px; right: -100px;
  z-index: 0;
  pointer-events: none;
}
.ia4-hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 130px 24px 80px;
  max-width: 800px;
}
.ia4-hero-content .ia4-eyebrow {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gold);
}
.ia4-hero-content .ia4-eyebrow::before {
  content: '';
  display: block;
  width: 36px;
  height: 1px;
  background: var(--gold);
}
.ia4-hero-content .ia4-h1 {
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.07;
}
.ia4-hero-content .ia4-h1 em {
  font-style: normal;
  color: var(--gold);
}
.ia4-hero-content .ia4-body-lg {
  color: rgba(255,255,255,0.68);
  margin-bottom: 40px;
  max-width: 560px;
}
.ia4-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.ia4-hero-trust {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.ia4-hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
}
.ia4-hero-trust-item svg { color: var(--gold); }

/* ==========================================================================
   STATS
   ========================================================================== */
#ia4-stats {
  background: var(--taupe);
  padding: 64px 0;
}
.ia4-stats-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow: hidden;
}
.ia4-stat-card {
  background: var(--taupe);
  padding: 48px 40px;
  position: relative;
}
.ia4-stat-card::after {
  content: '';
  position: absolute;
  top: 50%; right: 0;
  transform: translateY(-50%);
  width: 1px; height: 50%;
  background: rgba(255,255,255,0.12);
}
.ia4-stat-card:last-child::after { display:none; }
.ia4-stat-number {
  font-family: var(--font-display);
  font-size: clamp(48px,5vw,72px);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.ia4-stat-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.ia4-stat-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.5;
}

/* ==========================================================================
   INTRO — WHY iA4
   ========================================================================== */
#ia4-intro { background: var(--cream); }
.ia4-problems-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 16px;
}
.ia4-problem-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  transition: var(--transition);
}
.ia4-problem-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.ia4-problem-icon {
  width: 44px; height: 44px;
  background: var(--gold-pale);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--gold);
}
.ia4-problem-icon svg { width:22px; height:22px; }
.ia4-problem-text h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}
.ia4-problem-text p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.5;
}
.ia4-intro-solution {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: var(--white);
}
.ia4-intro-solution .ia4-eyebrow { margin-bottom:16px; }
.ia4-intro-solution .ia4-h3 { color:var(--white); margin-bottom:20px; }
.ia4-intro-solution p { color:rgba(255,255,255,0.68); margin-bottom:20px; }
.ia4-intro-solution .ia4-h3 em { color:var(--gold); font-style:normal; }
.ia4-solution-points { display:flex; flex-direction:column; gap:14px; margin-top:24px; }
.ia4-solution-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}
.ia4-solution-point::before {
  content: '';
  width: 20px; height: 20px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23221D19'%3E%3Cpath d='M13 4L6.5 11 3 7.5' stroke='%23221D19' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
  margin-top: 1px;
}

/* ==========================================================================
   SERVICES
   ========================================================================== */
#ia4-services { background: var(--white); }
.ia4-services-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
}
.ia4-services-grid .ia4-service-card:nth-child(4),
.ia4-services-grid .ia4-service-card:nth-child(5) {
  grid-column: span 1;
}
.ia4-services-row-2 {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 24px;
  margin-top: 24px;
}
.ia4-service-card {
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ia4-service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transition: var(--transition);
}
.ia4-service-card:hover::before { transform:scaleX(1); }
.ia4-service-card:hover {
  border-color: var(--gold);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}
.ia4-service-icon {
  width: 56px; height: 56px;
  background: var(--gold-pale);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--gold);
}
.ia4-service-icon svg { width:28px; height:28px; }
.ia4-service-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.ia4-service-card p {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.65;
}

/* ==========================================================================
   NOVA AGENT
   ========================================================================== */
#ia4-nova {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.ia4-nova-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(201,166,51,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(92,82,73,0.3) 0%, transparent 60%);
  pointer-events: none;
}
.ia4-nova-content { position:relative; z-index:1; }
.ia4-nova-header { margin-bottom:52px; }
.ia4-nova-header .ia4-h2 { color:var(--white); margin-bottom:16px; }
.ia4-nova-header p { color:rgba(255,255,255,0.55); max-width:500px; }
.ia4-nova-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.ia4-nova-skills { display:flex; flex-wrap:wrap; gap:10px; }
.ia4-skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  transition: var(--transition);
}
.ia4-skill-chip:hover {
  background: var(--gold-pale);
  border-color: var(--gold);
  color: var(--gold);
}
.ia4-skill-chip::before {
  content: '✓';
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
}
.ia4-nova-agent {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,166,51,0.2);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.ia4-nova-agent-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--gold-pale);
  border: 1px solid var(--gold);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.ia4-nova-agent h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.ia4-nova-agent p {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 28px;
  line-height: 1.7;
}
.ia4-nova-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.ia4-nova-stat {
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.07);
}
.ia4-nova-stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 4px;
}
.ia4-nova-stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}

/* ==========================================================================
   PROCESS
   ========================================================================== */
#ia4-process { background: var(--cream); }
.ia4-process-timeline { position:relative; }
.ia4-process-timeline::before {
  content: '';
  position: absolute;
  top: 36px; left: 35px;
  width: 2px;
  height: calc(100% - 72px);
  background: linear-gradient(to bottom, var(--gold), transparent);
}
.ia4-process-steps { display:flex; flex-direction:column; gap:0; }
.ia4-process-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 28px;
  padding: 0 0 40px 0;
  position: relative;
}
.ia4-process-step:last-child { padding-bottom:0; }
.ia4-step-num {
  width: 72px; height: 72px;
  background: var(--dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--gold);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  border: 3px solid var(--cream);
  transition: var(--transition);
}
.ia4-process-step:hover .ia4-step-num {
  background: var(--gold);
  color: var(--dark);
}
.ia4-step-content {
  padding-top: 16px;
}
.ia4-step-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.ia4-step-content p {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.65;
}

/* ==========================================================================
   SUPPORT
   ========================================================================== */
#ia4-support { background: var(--taupe); }
.ia4-support-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}
.ia4-support-header { margin-bottom:36px; }
.ia4-support-header .ia4-h2 { color:var(--white); margin-bottom:12px; }
.ia4-support-header p { color:rgba(255,255,255,0.6); }
.ia4-support-list { display:flex; flex-direction:column; gap:12px; }
.ia4-support-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  color: rgba(255,255,255,0.8);
}
.ia4-support-check {
  width: 22px; height: 22px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.ia4-support-check svg { width:12px; height:12px; color:var(--dark); stroke-width:2.5; }
.ia4-support-aside {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(201,166,51,0.2);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.ia4-support-aside .ia4-eyebrow { margin-bottom:16px; }
.ia4-support-aside h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}
.ia4-support-aside p { color:rgba(255,255,255,0.6); font-size:14px; margin-bottom:24px; }
.ia4-support-aside .ia4-btn { width:100%; justify-content:center; }

/* ==========================================================================
   FAQ
   ========================================================================== */
#ia4-faq { background: var(--white); }
.ia4-faq-list { max-width: 760px; margin:0 auto; }
.ia4-faq-item {
  border-bottom: 1px solid var(--cream-dark);
  overflow: hidden;
}
.ia4-faq-item:first-child { border-top: 1px solid var(--cream-dark); }
.ia4-faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  gap: 20px;
  transition: var(--transition);
}
.ia4-faq-question:hover { color: var(--gold); }
.ia4-faq-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}
.ia4-faq-icon svg {
  width: 16px; height: 16px;
  color: var(--taupe);
  transition: var(--transition);
}
.ia4-faq-item.is-open .ia4-faq-icon {
  background: var(--gold);
}
.ia4-faq-item.is-open .ia4-faq-icon svg {
  color: var(--dark);
  transform: rotate(45deg);
}
.ia4-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.ia4-faq-answer-inner {
  padding: 0 0 24px 0;
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.7;
}
.ia4-faq-item.is-open .ia4-faq-answer {
  max-height: 300px;
}

/* ==========================================================================
   CONTACT / FORM
   ========================================================================== */
#ia4-contact {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.ia4-contact-bg {
  position: absolute; inset:0;
  background: radial-gradient(ellipse 60% 60% at 50% 100%, rgba(92,82,73,0.3) 0%, transparent 60%);
  pointer-events: none;
}
.ia4-contact-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.ia4-contact-copy .ia4-eyebrow { margin-bottom:16px; }
.ia4-contact-copy .ia4-h2 { color:var(--white); margin-bottom:20px; }
.ia4-contact-copy .ia4-h2 em { color:var(--gold); font-style:normal; }
.ia4-contact-copy p { color:rgba(255,255,255,0.6); margin-bottom:32px; }
.ia4-contact-info-list { display:flex; flex-direction:column; gap:16px; }
.ia4-contact-info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: rgba(255,255,255,0.7);
}
.ia4-contact-info-icon {
  width: 40px; height: 40px;
  background: var(--gold-pale);
  border: 1px solid var(--gold);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--gold);
}
.ia4-contact-info-icon svg { width:18px; height:18px; }
.ia4-form-wrapper {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 44px;
}
.ia4-form-wrapper h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 28px;
}
.ia4-form { display:flex; flex-direction:column; gap:16px; }
.ia4-form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.ia4-field { display:flex; flex-direction:column; gap:6px; }
.ia4-field label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.ia4-field input,
.ia4-field select,
.ia4-field textarea {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--white);
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.ia4-field input::placeholder,
.ia4-field textarea::placeholder { color:rgba(255,255,255,0.3); }
.ia4-field input:focus,
.ia4-field select:focus,
.ia4-field textarea:focus {
  border-color: var(--gold);
  background: rgba(255,255,255,0.1);
  box-shadow: 0 0 0 3px var(--gold-pale);
}
.ia4-field select option { background: var(--dark); color:var(--white); }
.ia4-field textarea { resize:vertical; min-height:100px; }
.ia4-form .ia4-btn { width:100%; justify-content:center; }
.ia4-form-note {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  text-align: center;
  margin-top: 8px;
}
/* Form feedback */
#ia4-form-msg {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-display);
  margin-top: 4px;
}
#ia4-form-msg.success { background:rgba(46,160,67,0.15); color:#5EBF71; border:1px solid rgba(46,160,67,0.25); }
#ia4-form-msg.error   { background:rgba(220,53,53,0.12); color:#E77; border:1px solid rgba(220,53,53,0.2); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
#ia4-footer {
  background: #16120E;
  padding: 60px 0 0;
}
.ia4-footer-top {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.ia4-footer-brand img { height:46px; width:auto; margin-bottom:18px; }
.ia4-footer-brand p { font-size:14px; color:rgba(255,255,255,0.45); line-height:1.7; max-width:300px; }
.ia4-footer-col h4 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}
.ia4-footer-col ul { display:flex; flex-direction:column; gap:10px; }
.ia4-footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.ia4-footer-col ul a:hover { color:var(--gold); }
.ia4-footer-contact { display:flex; flex-direction:column; gap:12px; }
.ia4-footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}
.ia4-footer-contact-item svg { width:16px; height:16px; color:var(--gold); flex-shrink:0; }
.ia4-footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.ia4-footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}
.ia4-footer-credit {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}
.ia4-footer-credit a {
  color: var(--gold);
  font-weight: 600;
  transition: var(--transition);
}
.ia4-footer-credit a:hover { color:var(--gold-hover); text-decoration:underline; }

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.ia4-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1),
              transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.ia4-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.ia4-reveal-delay-1 { transition-delay: 0.1s; }
.ia4-reveal-delay-2 { transition-delay: 0.2s; }
.ia4-reveal-delay-3 { transition-delay: 0.3s; }
.ia4-reveal-delay-4 { transition-delay: 0.4s; }
.ia4-reveal-delay-5 { transition-delay: 0.5s; }

/* Gold divider */
.ia4-gold-line {
  width: 56px; height: 3px;
  background: var(--gold);
  border-radius: 2px;
  margin-bottom: 24px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Logo transition for smooth scroll shrink */
.ia4-nav-logo img {
  transition: height 0.3s ease;
}

@media (max-width: 1024px) {
  .ia4-nova-grid { grid-template-columns:1fr; gap:40px; }
  .ia4-contact-inner { grid-template-columns:1fr; gap:40px; }
  .ia4-footer-top { grid-template-columns:1fr 1fr; }
  .ia4-services-row-2 { grid-template-columns:1fr 1fr; }
}

@media (max-width: 768px) {
  :root {
    --section-v: 64px;
    --section-v-sm: 48px;
  }

  /* Nav */
  #ia4-nav .ia4-nav-inner { height: 110px !important; }
  #ia4-nav.nav-scrolled .ia4-nav-inner { height: 60px !important; }
  .ia4-nav-logo img { height: 90px !important; }
  #ia4-nav.nav-scrolled .ia4-nav-logo img { height: 44px !important; }
  .ia4-nav-links { display:none; }
  .ia4-nav-cta { display:none; }
  .ia4-hamburger { display:flex; }

  /* Hero */
  .ia4-hero-content { padding:140px 20px 64px; }
  .ia4-hero-actions { flex-direction:column; align-items:flex-start; }
  .ia4-hero-trust { flex-direction:column; gap:12px; }

  /* Grids → single column */
  .ia4-grid-2 { grid-template-columns:1fr; gap:32px; }
  .ia4-grid-3 { grid-template-columns:1fr; }
  .ia4-grid-4 { grid-template-columns:1fr 1fr; }
  .ia4-services-grid { grid-template-columns:1fr; }
  .ia4-services-row-2 { grid-template-columns:1fr; }

  /* Stats */
  .ia4-stats-grid { grid-template-columns:1fr; }
  .ia4-stat-card::after { display:none; }
  .ia4-stat-card { padding:32px 24px; }

  /* Intro */
  .ia4-problems-grid { grid-template-columns:1fr; }
  .ia4-intro-solution { padding:32px 24px; }

  /* Nova */
  .ia4-nova-stats { grid-template-columns:1fr 1fr; }
  .ia4-nova-agent { padding:28px 20px; }

  /* Process */
  .ia4-process-timeline::before { left:28px; }
  .ia4-process-step { grid-template-columns:56px 1fr; gap:16px; }
  .ia4-step-num { width:56px; height:56px; font-size:18px; }

  /* Support */
  .ia4-support-grid { grid-template-columns:1fr; }
  .ia4-support-aside { padding:28px 20px; }

  /* Contact */
  .ia4-contact-inner { grid-template-columns:1fr; }
  .ia4-form-row { grid-template-columns:1fr; }
  .ia4-form-wrapper { padding:28px 20px; }

  /* Footer */
  .ia4-footer-top { grid-template-columns:1fr; gap:36px; }
  .ia4-footer-bottom { flex-direction:column; text-align:center; }
  .ia4-footer-brand img { height:56px; }

  /* Buttons */
  .ia4-btn { padding:14px 24px; font-size:14px; }
  .ia4-btn--lg { padding:16px 28px; font-size:15px; }
}

@media (max-width: 480px) {
  /* Nav */
  #ia4-nav .ia4-nav-inner { height: 90px !important; }
  #ia4-nav.nav-scrolled .ia4-nav-inner { height: 54px !important; }
  .ia4-nav-logo img { height: 72px !important; }
  #ia4-nav.nav-scrolled .ia4-nav-logo img { height: 38px !important; }

  /* Hero */
  .ia4-hero-content { padding:120px 16px 48px; }
  .ia4-hero-trust { display:none; }

  /* Grids */
  .ia4-grid-4 { grid-template-columns:1fr; }
  .ia4-nova-stats { grid-template-columns:1fr; }

  /* Typography */
  .ia4-faq-question { font-size:15px; }

  /* Container padding */
  .ia4-container { padding:0 16px; }
  .ia4-container--narrow { padding:0 16px; }
  .ia4-section { padding:48px 0; }
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.ia4-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1),
              transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.ia4-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.ia4-reveal-delay-1 { transition-delay: 0.1s; }
.ia4-reveal-delay-2 { transition-delay: 0.2s; }
.ia4-reveal-delay-3 { transition-delay: 0.3s; }
.ia4-reveal-delay-4 { transition-delay: 0.4s; }
.ia4-reveal-delay-5 { transition-delay: 0.5s; }

/* Gold divider */
.ia4-gold-line {
  width: 56px; height: 3px;
  background: var(--gold);
  border-radius: 2px;
  margin-bottom: 24px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .ia4-nova-grid { grid-template-columns:1fr; gap:40px; }
  .ia4-contact-inner { grid-template-columns:1fr; gap:40px; }
  .ia4-footer-top { grid-template-columns:1fr 1fr; }
  .ia4-services-row-2 { grid-template-columns:1fr 1fr; }
}

@media (max-width: 768px) {
  :root {
    --section-v: 64px;
    --section-v-sm: 48px;
  }
  .ia4-grid-2 { grid-template-columns:1fr; gap:32px; }
  .ia4-grid-3 { grid-template-columns:1fr; }
  .ia4-grid-4 { grid-template-columns:1fr 1fr; }
  .ia4-services-grid { grid-template-columns:1fr; }
  .ia4-services-row-2 { grid-template-columns:1fr; }
  .ia4-stats-grid { grid-template-columns:1fr; }
  .ia4-stat-card::after { display:none; }
  .ia4-stat-card { padding:32px 24px; }
  .ia4-problems-grid { grid-template-columns:1fr; }
  .ia4-support-grid { grid-template-columns:1fr; }
  .ia4-contact-inner { grid-template-columns:1fr; }
  .ia4-footer-top { grid-template-columns:1fr; gap:36px; }
  .ia4-nav-links { display:none; }
  .ia4-nav-cta { display:none; }
  .ia4-hamburger { display:flex; }
  .ia4-hero-content { padding:150px 24px 64px; }
  .ia4-nav-logo img { height: 88px !important; }
  #ia4-nav .ia4-nav-inner { height: 100px !important; }
  #ia4-nav.nav-scrolled .ia4-nav-inner { height: 56px !important; }
  #ia4-nav.nav-scrolled .ia4-nav-logo img { height: 40px !important; }
  .ia4-hero-actions { flex-direction:column; align-items:flex-start; }
  .ia4-form-row { grid-template-columns:1fr; }
  .ia4-form-wrapper { padding:28px 20px; }
  .ia4-nova-stats { grid-template-columns:1fr 1fr; }
  .ia4-footer-bottom { flex-direction:column; text-align:center; }
}

@media (prefers-reduced-motion: reduce) {
  .ia4-reveal { opacity:1; transform:none; transition:none; }
  * { animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
}