/* ===== VARIABLES ===== */
:root {
    --primary: #0a0e27;
    --primary-600: #131738;
    --primary-500: #1c2248;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --accent-light: #fef3c7;
    --blue: #6366f1;
    --blue-light: #818cf8;
    --blue-dark: #4f46e5;
    --cyan: #06b6d4;
    --purple: #a855f7;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #0a0e27;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 60px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 40px rgba(99,102,241,0.15);
    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glass-bg: rgba(255,255,255,0.08);
    --glass-border: rgba(255,255,255,0.12);
}

/* ===== SVG ICONS ===== */
.icon {
    width: 1em;
    height: 1em;
    display: inline-block;
    vertical-align: -0.125em;
    fill: currentColor;
    flex-shrink: 0;
}
.icon-check { width: 14px; height: 14px; color: var(--blue); }
.icon-x { width: 14px; height: 14px; color: var(--text-light); }

/* ===== PAGE LOADER ===== */
.page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.loader-brand {
    animation: loader-pulse 1.2s ease-in-out infinite;
}
@keyframes loader-pulse {
    0%, 100% { opacity: 0.4; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* ===== WHATSAPP FLOAT ===== */
.wa-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 900;
    transition: all var(--transition);
    animation: wa-bounce 2s ease-in-out infinite 3s;
}
.wa-float svg {
    width: 30px;
    height: 30px;
}
.wa-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37,211,102,0.5);
}
@keyframes wa-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== LAYOUT ===== */
.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 28px; }
.section { padding: 110px 0; position: relative; }
.section-light { background: var(--bg-light); }
.section-dark {
    background: var(--bg-dark);
    color: white;
    overflow: hidden;
}

.section-header { text-align: center; margin-bottom: 64px; }
.section-header.light h2, .section-header.light p { color: white; }
.section-header.light p { opacity: 0.65; }
.section-header h2 { font-size: 40px; font-weight: 800; margin-bottom: 14px; letter-spacing: -0.8px; line-height: 1.2; }
.section-header p { font-size: 17px; color: var(--text-secondary); max-width: 580px; margin: 0 auto; line-height: 1.7; }

.section-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--blue);
    background: rgba(99,102,241,0.08);
    padding: 8px 20px;
    border-radius: 24px;
    margin-bottom: 18px;
    border: 1px solid rgba(99,102,241,0.12);
}
.badge-accent {
    color: var(--accent);
    background: rgba(245,158,11,0.08);
    border-color: rgba(245,158,11,0.15);
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 15px;
    padding: 14px 32px;
    border-radius: 14px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}
.btn-lg { padding: 18px 40px; font-size: 16px; border-radius: 16px; }
.btn-block { width: 100%; justify-content: center; }
.btn-primary {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(99,102,241,0.4); }
.btn-outline {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); background: rgba(99,102,241,0.04); }
.btn-white { background: white; color: var(--primary); border-color: white; box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.btn-white:hover { background: #f8f9ff; transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.btn-outline-white { background: rgba(255,255,255,0.08); color: white; border-color: rgba(255,255,255,0.2); backdrop-filter: blur(8px); }
.btn-outline-white:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.15); }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: all var(--transition);
}
.navbar.scrolled {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 30px rgba(0,0,0,0.06);
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: flex; align-items: center; gap: 12px; font-size: 22px; font-weight: 800; }
.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}
.brand-text { color: white; transition: color var(--transition); }
.brand-text .accent { color: var(--blue-light); transition: color var(--transition); }
.navbar.scrolled .brand-text { color: var(--primary); }
.navbar.scrolled .brand-text .accent { color: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a { font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.7); transition: color var(--transition); }
.nav-links a:hover { color: white; }
.navbar.scrolled .nav-links a { color: var(--text-secondary); }
.navbar.scrolled .nav-links a:hover { color: var(--blue); }
.btn-nav {
    background: rgba(255,255,255,0.15);
    color: white !important;
    padding: 10px 24px;
    border-radius: 12px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
}
.btn-nav:hover { background: rgba(255,255,255,0.25); border-color: rgba(255,255,255,0.3); }
.navbar.scrolled .btn-nav {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    border-color: transparent;
    box-shadow: 0 2px 12px rgba(99,102,241,0.25);
}
.navbar.scrolled .btn-nav:hover { box-shadow: 0 4px 20px rgba(99,102,241,0.4); transform: translateY(-1px); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 7px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-family: var(--font);
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition);
}
.lang-toggle:hover { border-color: rgba(255,255,255,0.4); }
.navbar.scrolled .lang-toggle { background: var(--bg-light); border-color: var(--border); color: var(--text); }
.navbar.scrolled .lang-toggle:hover { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(99,102,241,0.08); }
.lang-flag { font-size: 16px; }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: white; margin: 5px 0; transition: all var(--transition); border-radius: 2px; }
.navbar.scrolled .nav-hamburger span { background: var(--text); }
.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 130px 0 160px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0a0e27 0%, #131738 25%, #1a1150 50%, #0f2a4a 75%, #0a0e27 100%);
    z-index: 0;
}
.hero-bg::before {
    content: '';
    position: absolute;
    top: 5%;
    right: 10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99,102,241,0.25) 0%, transparent 60%);
    animation: float-slow 8s ease-in-out infinite;
}
.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: 5%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168,85,247,0.2) 0%, transparent 60%);
    animation: float-slow 10s ease-in-out infinite reverse;
}

/* Floating decorative shapes */
.hero-shape {
    position: absolute;
    border-radius: 50%;
    z-index: 0;
}
.hero-shape-1 {
    width: 300px; height: 300px;
    top: 20%; right: 15%;
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.1));
    animation: float-slow 12s ease-in-out infinite;
    filter: blur(40px);
}
.hero-shape-2 {
    width: 200px; height: 200px;
    bottom: 25%; left: 10%;
    background: linear-gradient(135deg, rgba(6,182,212,0.15), rgba(99,102,241,0.1));
    animation: float-slow 9s ease-in-out infinite reverse;
    filter: blur(30px);
}
.hero-shape-3 {
    width: 150px; height: 150px;
    top: 40%; left: 20%;
    background: rgba(245,158,11,0.1);
    animation: float-slow 7s ease-in-out infinite;
    filter: blur(25px);
}

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -30px) scale(1.05); }
    66% { transform: translate(-15px, 15px) scale(0.95); }
}

/* Grid pattern overlay */
.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
}

.hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; margin: 0 auto; color: white; }
.hero-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--cyan);
    background: rgba(6,182,212,0.1);
    border: 1px solid rgba(6,182,212,0.2);
    padding: 10px 24px;
    border-radius: 28px;
    margin-bottom: 32px;
    backdrop-filter: blur(8px);
}
.hero-title {
    font-size: 60px;
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -2px;
    color: white;
    margin-bottom: 28px;
}
.gradient-text {
    background: linear-gradient(135deg, #f59e0b, #f97316, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 19px;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    margin-bottom: 44px;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; margin-bottom: 72px; }
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 20px;
}
.hero-stat {
    text-align: center;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 24px 36px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all var(--transition);
}
.hero-stat:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.18);
    transform: translateY(-4px);
}
.hero-stat-number { font-size: 36px; font-weight: 800; color: white; line-height: 1; }
.hero-stat-number span { font-size: 18px; font-weight: 600; color: var(--accent); }
.hero-stat-label { font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 6px; font-weight: 500; }
.hero-stat-ai {
    background: linear-gradient(135deg, rgba(225,29,72,0.15), rgba(168,85,247,0.15));
    border-color: rgba(225,29,72,0.35);
}
.hero-stat-ai:hover {
    background: linear-gradient(135deg, rgba(225,29,72,0.25), rgba(168,85,247,0.25));
    border-color: rgba(225,29,72,0.5);
}
.hero-stat-ai .hero-stat-number { color: #e11d48; }
.hero-stat-ai .hero-stat-label { color: rgba(255,255,255,0.7); }
.hero-stat-divider { display: none; }
.hero-wave { position: absolute; bottom: -2px; left: 0; right: 0; z-index: 2; }
.hero-wave svg { display: block; width: 100%; height: auto; }

/* ===== TRUSTED ===== */
.trusted { padding: 56px 0; background: white; }
.trusted-label { text-align: center; font-size: 11px; text-transform: uppercase; letter-spacing: 3px; color: var(--text-light); margin-bottom: 28px; font-weight: 600; }
.trusted-logos { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.trusted-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 10px 20px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all var(--transition);
}
.trusted-logo:hover {
    border-color: var(--blue);
    color: var(--blue);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.06);
}
.trusted-logo .icon { font-size: 18px; color: var(--blue); }

/* ===== PROBLEM/SOLUTION ===== */
.col-text .section-badge { display: inline-block; }
.col-text h2 { font-size: 30px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 16px; line-height: 1.3; }
.col-text p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; }

/* ===== FEATURES ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
    padding: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    background: white;
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--purple));
    opacity: 0;
    transition: opacity var(--transition);
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 24px;
    color: var(--clr);
    background: color-mix(in srgb, var(--clr) 10%, transparent);
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ===== TRUSTED HIGHLIGHT ===== */
.trusted-highlight {
    background: linear-gradient(135deg, rgba(225,29,72,0.08), rgba(168,85,247,0.08)) !important;
    border-color: rgba(225,29,72,0.3) !important;
    color: #e11d48 !important;
}
.trusted-highlight .icon { color: #e11d48 !important; }
.trusted-highlight:hover {
    border-color: #e11d48 !important;
    box-shadow: 0 0 0 3px rgba(225,29,72,0.1) !important;
}

/* ===== AI SHOWCASE ===== */
.section-ai {
    background: linear-gradient(135deg, #0f0326 0%, #1a0a3e 40%, #0d1b3e 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.section-ai::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -150px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(225,29,72,0.15) 0%, transparent 60%);
}
.section-ai::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99,102,241,0.12) 0%, transparent 60%);
}
.ai-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.badge-ai {
    background: linear-gradient(135deg, #e11d48, #a855f7) !important;
    color: #fff !important;
}
.ai-info h2 {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.25;
    margin-bottom: 18px;
}
.ai-info p {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 28px;
}
.ai-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.ai-features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
}
.ai-features-list .icon-check {
    color: #e11d48;
    font-size: 18px;
    flex-shrink: 0;
}

/* Chat Demo Window */
.chat-window {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.05);
    max-width: 420px;
    margin-left: auto;
}
.chat-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 14px 20px;
    background: linear-gradient(135deg, #e11d48, #a855f7);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}
.chat-header-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
}
.chat-header span { margin-left: 8px; }
.chat-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 300px;
    background: #f8f9fb;
}
.chat-msg {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.chat-msg.chat-user {
    justify-content: flex-end;
}
.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e11d48, #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 14px;
}
.chat-bubble {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 13px;
    line-height: 1.6;
    max-width: 80%;
}
.chat-bot .chat-bubble {
    background: #fff;
    color: var(--text-primary);
    border: 1px solid #e5e7eb;
    border-bottom-left-radius: 4px;
}
.chat-user .chat-bubble {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.chat-input {
    padding: 14px 20px;
    border-top: 1px solid #e5e7eb;
    color: #9ca3af;
    font-size: 13px;
    background: #fff;
}

/* AI section responsive */
@media (max-width: 768px) {
    .ai-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .ai-info h2 { font-size: 26px; }
    .chat-window { max-width: 100%; margin: 0; }
}

/* ===== SIMILARITY SHOWCASE ===== */
.section-sim {
    background: linear-gradient(135deg, #0c1a0c 0%, #0a2e1a 40%, #0d2a3e 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.section-sim::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -150px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(34,197,94,0.15) 0%, transparent 60%);
}
.section-sim::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(249,115,22,0.12) 0%, transparent 60%);
}
.sim-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.badge-sim {
    background: linear-gradient(135deg, #f97316, #22c55e) !important;
    color: #fff !important;
    border-color: transparent !important;
}
.sim-info h2 {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.25;
    margin-bottom: 18px;
}
.sim-info p {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 28px;
}
.sim-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.sim-features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
}
.sim-features-list .icon-check {
    color: #22c55e;
    font-size: 18px;
    flex-shrink: 0;
}

/* Sim Demo Window */
.sim-window {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.05);
    max-width: 400px;
}
.sim-window-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 14px 20px;
    background: linear-gradient(135deg, #f97316, #22c55e);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}
.sim-window-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
}
.sim-window-header span { margin-left: 8px; }
.sim-window-body {
    padding: 24px;
    background: #f8f9fb;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}
.sim-upload-area {
    width: 100%;
    border: 2px dashed #d1d5db;
    border-radius: 14px;
    padding: 20px;
    text-align: center;
    background: #fff;
}
.sim-file-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-top: 8px;
}
.sim-file-meta {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}
.sim-gauge-demo {
    text-align: center;
}
.sim-gauge-circle {
    position: relative;
    display: inline-block;
}
.sim-gauge-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.sim-gauge-number {
    font-size: 28px;
    font-weight: 800;
    color: #22c55e;
    line-height: 1;
}
.sim-gauge-label {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 2px;
}
.sim-gauge-verdict {
    font-size: 13px;
    font-weight: 700;
    margin-top: 8px;
    padding: 4px 16px;
    border-radius: 20px;
    display: inline-block;
}
.sim-verdict-low {
    background: rgba(34,197,94,0.1);
    color: #22c55e;
}
.sim-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    width: 100%;
}
.sim-stat-item {
    text-align: center;
    background: #fff;
    border-radius: 12px;
    padding: 12px 8px;
    border: 1px solid #e5e7eb;
}
.sim-stat-val {
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}
.sim-stat-lbl {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 4px;
}

/* Sim section responsive */
@media (max-width: 768px) {
    .sim-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .sim-showcase .sim-demo { order: -1; }
    .sim-info h2 { font-size: 26px; }
    .sim-window { max-width: 100%; margin: 0 auto; }
}

/* ===== BENEFITS (dark section) ===== */
.section-dark::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -100px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99,102,241,0.12) 0%, transparent 60%);
}
.section-dark::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -80px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168,85,247,0.1) 0%, transparent 60%);
}
.sources-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; position: relative; z-index: 1; }
.source-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 22px 26px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    transition: all var(--transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.source-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.18);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.source-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}
.source-info h4 { font-size: 16px; font-weight: 700; margin-bottom: 3px; }
.source-info p { font-size: 13px; opacity: 0.6; }

/* ===== STEPS ===== */
.steps { display: flex; align-items: flex-start; justify-content: center; gap: 16px; }
.step {
    flex: 1;
    max-width: 300px;
    text-align: center;
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: white;
    transition: all var(--transition);
}
.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.step-number {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    color: white;
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.step-arrow { padding-top: 48px; color: var(--border); font-size: 20px; display: flex; align-items: center; }
.step-arrow .icon { width: 24px; height: 24px; }

/* ===== PRICING ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.price-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 44px 36px;
    position: relative;
    transition: all var(--transition);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.price-card.featured {
    border-color: var(--blue);
    box-shadow: 0 12px 48px rgba(99,102,241,0.18), 0 0 0 1px rgba(99,102,241,0.1);
    transform: scale(1.04);
    background: linear-gradient(180deg, #fafbff 0%, white 100%);
}
.price-card.featured:hover { transform: scale(1.04) translateY(-6px); }
.price-popular {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    color: white;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 7px 22px;
    border-radius: 20px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}
.price-header { margin-bottom: 28px; }
.plan-name { font-size: 22px; font-weight: 700; }
.plan-desc { font-size: 14px; color: var(--text-secondary); margin-top: 6px; }
.price-amount { margin-bottom: 32px; }
.price-amount .currency { font-size: 18px; font-weight: 600; color: var(--text-secondary); vertical-align: top; }
.price-amount .amount { font-size: 48px; font-weight: 800; color: var(--primary); letter-spacing: -1px; }
.price-amount .amount.custom-price { font-size: 26px; letter-spacing: 0; color: var(--blue); }
.price-amount .period { font-size: 15px; color: var(--text-light); }
.plan-features { margin-bottom: 32px; }
.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    font-size: 14px;
    border-bottom: 1px solid #f4f4f5;
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li .icon { margin-top: 3px; flex-shrink: 0; }
.plan-features li.disabled { opacity: 0.35; }
.plan-features li.disabled i { color: var(--text-light); }
.pricing-note { text-align: center; margin-top: 36px; font-size: 14px; color: var(--text-secondary); }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all var(--transition); background: white; }
.faq-item:hover { border-color: rgba(99,102,241,0.2); }
.faq-item.active { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(99,102,241,0.06); }
.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 28px;
    background: white;
    border: none;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition);
}
.faq-question:hover { background: var(--bg-light); }
.faq-question::after { content: '+'; font-size: 22px; font-weight: 300; color: var(--text-light); transition: all var(--transition); }
.faq-item.active .faq-question::after { content: '\2212'; color: var(--blue); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 28px 24px; font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ===== CTA ===== */
.section-cta {
    background: linear-gradient(135deg, #0a0e27 0%, #1a1150 40%, #1e3a5f 70%, #0f2a4a 100%);
    color: white;
    overflow: hidden;
    position: relative;
}
.section-cta::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -50px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99,102,241,0.2) 0%, transparent 60%);
}
.section-cta::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -30px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168,85,247,0.15) 0%, transparent 60%);
}
.cta-content { text-align: center; position: relative; z-index: 1; }
.cta-content h2 { font-size: 40px; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.8px; }
.cta-content p { font-size: 18px; opacity: 0.65; margin-bottom: 36px; line-height: 1.7; }
.cta-actions { display: flex; gap: 16px; justify-content: center; margin-bottom: 44px; }
.cta-details { display: flex; gap: 36px; justify-content: center; }
.cta-detail { display: flex; align-items: center; gap: 10px; font-size: 14px; opacity: 0.75; font-weight: 500; }
.cta-detail .icon { color: var(--accent); font-size: 18px; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.6); padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 14px; margin-top: 14px; line-height: 1.7; }
.footer-brand .nav-brand { margin-bottom: 4px; }
.footer-brand .brand-text { color: white; }
.footer-brand .brand-icon { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); box-shadow: none; }
.footer-socials { display: flex; gap: 12px; margin-top: 20px; }
.footer-socials a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    transition: all var(--transition);
}
.footer-socials a:hover { background: var(--blue); border-color: var(--blue); color: white; transform: translateY(-2px); }
.footer-socials .icon { width: 18px; height: 18px; }
.footer-links h4 { font-size: 13px; font-weight: 700; color: white; margin-bottom: 18px; text-transform: uppercase; letter-spacing: 1.5px; }
.footer-links a { display: block; font-size: 14px; padding: 5px 0; transition: color var(--transition); }
.footer-links a:hover { color: var(--blue-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 28px; text-align: center; font-size: 13px; opacity: 0.4; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin-left: auto; margin-right: auto; }
    .price-card.featured { transform: none; }
    .price-card.featured:hover { transform: translateY(-6px); }
}

@media (max-width: 768px) {
    .section { padding: 70px 0; }
    .section-header { margin-bottom: 44px; }
    .section-header h2 { font-size: 28px; }
    .hero { padding: 110px 0 140px; }
    .hero-title { font-size: 36px; letter-spacing: -1px; }
    .hero-desc { font-size: 16px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-stats { flex-direction: column; gap: 12px; }
    .hero-stat { padding: 18px 28px; }
    .two-col { grid-template-columns: 1fr; gap: 40px; }
    .features-grid { grid-template-columns: 1fr; }
    .sources-grid { grid-template-columns: 1fr; }
    .steps { flex-direction: column; align-items: center; }
    .step { max-width: 100%; }
    .step-arrow { transform: rotate(90deg); padding: 0; }
    .cta-content h2 { font-size: 28px; }
    .cta-actions { flex-direction: column; align-items: center; }
    .cta-details { flex-direction: column; align-items: center; gap: 12px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-xl);
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }
    .nav-hamburger { display: block; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 28px; }
    .price-card { padding: 32px 24px; }
    .col-text h2 { font-size: 24px; }
    .trusted-logos { gap: 8px; }
    .trusted-logo { font-size: 12px; padding: 8px 14px; }
    .wa-float { bottom: 20px; right: 20px; width: 52px; height: 52px; }
    .wa-float svg { width: 26px; height: 26px; }
}

/* ===== SCROLL ANIMATIONS ===== */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation for grid items */
.feature-card.animate-in:nth-child(1) { transition-delay: 0s; }
.feature-card.animate-in:nth-child(2) { transition-delay: 0.1s; }
.feature-card.animate-in:nth-child(3) { transition-delay: 0.2s; }
.feature-card.animate-in:nth-child(4) { transition-delay: 0.3s; }
.feature-card.animate-in:nth-child(5) { transition-delay: 0.4s; }
.feature-card.animate-in:nth-child(6) { transition-delay: 0.5s; }
.feature-card.animate-in:nth-child(7) { transition-delay: 0.6s; }
.feature-card.animate-in:nth-child(8) { transition-delay: 0.7s; }
.feature-card.animate-in:nth-child(9) { transition-delay: 0.8s; }
.feature-card.animate-in:nth-child(10) { transition-delay: 0.9s; }

.source-card.animate-in:nth-child(1) { transition-delay: 0s; }
.source-card.animate-in:nth-child(2) { transition-delay: 0.08s; }
.source-card.animate-in:nth-child(3) { transition-delay: 0.16s; }
.source-card.animate-in:nth-child(4) { transition-delay: 0.24s; }
.source-card.animate-in:nth-child(5) { transition-delay: 0.32s; }
.source-card.animate-in:nth-child(6) { transition-delay: 0.4s; }

.price-card.animate-in:nth-child(1) { transition-delay: 0s; }
.price-card.animate-in:nth-child(2) { transition-delay: 0.15s; }
.price-card.animate-in:nth-child(3) { transition-delay: 0.3s; }