/* ================= Base & Variables ================= */
:root {
    --primary-red: #E02424;
    --primary-red-hover: #C81E1E;
    --bg-purple: #F4EFFD;
    --text-dark: #111827;
    --text-gray: #4B5563;
    --indigo: #4F46E5;
    --green: #10B981;
    --bg-light: #F9FAFB;
    --white: #FFFFFF;
    --transition: all 0.3s ease-in-out;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center { text-align: center; }
.text-indigo { color: #818CF8; }
.text-green { color: #34D399; }
.text-red { color: #F87171; }
.bg-white { background-color: var(--white); }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: #1F2937; }
.bg-indigo { background-color: var(--indigo); }

/* ================= Scroll Animations ================= */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* ================= Typography & Buttons ================= */
h1 { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
h1 span { color: var(--indigo); }
h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 20px; }
h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 15px; }
p { color: var(--text-gray); margin-bottom: 15px; }

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn-primary { background-color: var(--primary-red); color: var(--white); }
.btn-primary:hover { background-color: var(--primary-red-hover); transform: translateY(-2px); }
.btn-outline { background-color: transparent; border: 2px solid var(--indigo); color: var(--indigo); }
.btn-outline:hover { background-color: var(--indigo); color: var(--white); }
.full-width { width: 100%; display: block; text-align: center; }

/* ================= Navigation ================= */
.navbar {
    background-color: var(--white);
    border-bottom: 1px solid #E5E7EB;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { font-size: 1.5rem; font-weight: 800; color: var(--text-dark); }
.logo span { color: var(--indigo); }
.nav-links a { margin: 0 15px; text-decoration: none; color: var(--text-gray); font-weight: 500; transition: var(--transition); }
.nav-links a:hover { color: var(--indigo); }
.nav-signin { font-weight: 600; color: var(--text-dark); text-decoration: none; }

/* ================= Hero Section ================= */
.hero {
    background-color: var(--bg-purple);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.hero-buttons { display: flex; gap: 15px; margin-top: 30px; flex-wrap: wrap; }
.hero-welcome h3 span { color: var(--indigo); }
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-image {
    width: 100%;
    max-width: 450px;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}
.floating-form {
    position: absolute;
    bottom: -30px;
    left: -20px;
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    width: 280px;
    z-index: 10;
}
.floating-form h3 { font-size: 1.2rem; margin-bottom: 15px; color: var(--text-dark); }
.floating-form input {
    width: 100%; padding: 12px; margin-bottom: 12px; border: 1px solid #D1D5DB; border-radius: 4px; font-family: inherit;
}

/* ================= Infinite Marquee ================= */
.marquee-container {
    background: var(--white);
    border-bottom: 1px solid #E5E7EB;
    padding: 15px 0;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    display: flex;
}
.marquee-content {
    display: flex;
    animation: scrollMarquee 20s linear infinite;
}
.marquee-item {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin: 0 40px;
    display: inline-block;
}
@keyframes scrollMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.3333%); }
}

/* ================= Layout Grids & Cards ================= */
.section {
    padding: 80px 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.card {
    background: var(--white);
    border: 1px solid #E5E7EB;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.dark-card { background: #374151; padding: 30px; border-radius: 8px; }
.dark-card p { color: #D1D5DB; font-size: 0.9rem; margin-bottom: 8px;}

/* ================= Escrow Workflow ================= */
.escrow-workflow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    flex-wrap: wrap;
    gap: 15px;
}
.workflow-step {
    background: var(--bg-light); border: 1px solid #E5E7EB; padding: 20px; border-radius: 8px; width: 18%; font-size: 2rem; font-weight: 600; text-align: center;
}
.workflow-step span { font-size: 0.9rem; color: var(--text-dark); display: block; margin-top: 10px; font-weight: 600; }
.workflow-arrow { font-size: 1.5rem; color: #9CA3AF; }

/* ================= How It Works Section ================= */
.how-it-works-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
    align-items: stretch;
    margin-top: 40px;
}
.how-it-works-grid ul { list-style: none; }
.how-it-works-grid li { display: flex; align-items: center; margin-bottom: 15px; font-weight: 500; }
.step-num { background: var(--indigo); color: var(--white); width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; border-radius: 50%; margin-right: 15px; font-size: 0.8rem; font-weight: bold; flex-shrink: 0; }
.writer-card .step-num { background: var(--green); }
.center-image-wrapper { display: flex; justify-content: center; align-items: center; }
.feature-image { width: 100%; height: 100%; max-height: 400px; object-fit: cover; border-radius: 12px; box-shadow: 0 10px 25px rgba(0,0,0,0.1); }

/* ================= Stats & Footer ================= */
.stat-number { font-size: 3rem; margin-bottom: 5px; font-weight: 800; }
.as { color: rgba(255, 255, 255, 0.9); font-weight: 500; }
footer { background: var(--white); padding: 30px 0; border-top: 1px solid #E5E7EB; }

/* ================= Responsive (Mobile Fit) ================= */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-buttons { justify-content: center; }
    .floating-form { position: relative; bottom: 0; left: 0; width: 100%; max-width: 450px; margin: 20px auto 0; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .how-it-works-grid { grid-template-columns: 1fr; }
    .center-image-wrapper { order: -1; margin-bottom: 20px; }
    .nav-links { display: none; } 
    .escrow-workflow { justify-content: center; }
    .workflow-step { width: 45%; }
    .workflow-arrow { display: none; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .workflow-step { width: 100%; }
    .hero-image { max-width: 100%; }
}