:root {
    --bg: #ffffff;
    --text: #000000;
    --border: 4px solid #000000;
    --shadow: 8px 8px 0px #000000;
    --hover-shadow: 12px 12px 0px #000000;
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: var(--border);
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 900;
    text-decoration: none;
    color: #000;
    letter-spacing: 2px;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-item {
    position: relative;
    font-weight: bold;
    cursor: pointer;
}

.nav-item a {
    text-decoration: none;
    color: #000;
}

.dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border: var(--border);
    box-shadow: var(--shadow);
    min-width: 150px;
    flex-direction: column;
}

.nav-item:hover .dropdown {
    display: flex;
}

.dropdown a {
    padding: 10px 15px;
    border-bottom: 2px solid #000;
    text-decoration: none;
    color: #000;
    font-weight: bold;
}
.dropdown a:last-child {
    border-bottom: none;
}
.dropdown a:hover {
    background: #000;
    color: #fff;
}

.btn {
    background: #000;
    color: #fff;
    padding: 12px 24px;
    text-decoration: none;
    font-weight: 900;
    border: var(--border);
    box-shadow: 4px 4px 0px #000;
    transition: all 0.2s;
    display: inline-block;
    text-align: center;
}

.btn:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--hover-shadow);
}

.btn-outline {
    background: #fff;
    color: #000;
}

/* Stepped Layout */
.stepped-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.step-card {
    background: #fff;
    border: var(--border);
    box-shadow: var(--shadow);
    padding: 40px;
    width: 90%;
    transition: transform 0.3s;
}

.step-card:nth-child(odd) {
    align-self: flex-start;
}

.step-card:nth-child(even) {
    align-self: flex-end;
}

.step-card:hover {
    transform: translateY(-5px);
}

/* Hero Section */
.hero {
    display: flex;
    gap: 40px;
    align-items: center;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.rocket-skeuomorphic {
    font-size: 80px;
    text-shadow: 4px 4px 0px #ccc, 8px 8px 0px #999, 12px 12px 0px #000;
    margin-bottom: 20px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.hero-ui {
    flex: 1;
    border: var(--border);
    background: #f8f8f8;
    padding: 20px;
    box-shadow: inset 4px 4px 0px rgba(0,0,0,0.1);
}

.ui-header {
    font-weight: bold;
    border-bottom: 2px solid #000;
    padding-bottom: 10px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
}

.ui-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-family: monospace;
    font-size: 16px;
    border-bottom: 1px dashed #000;
}

/* Trust Metrics */
.metrics {
    display: flex;
    justify-content: space-between;
    text-align: center;
    flex-wrap: wrap;
    gap: 20px;
}

.metric-item {
    flex: 1;
    min-width: 200px;
    border: 2px solid #000;
    padding: 20px;
}

.metric-num {
    font-size: 40px;
    font-weight: 900;
}

/* Grid Layouts */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.grid-item {
    border: 2px solid #000;
    padding: 20px;
    background: #fff;
}

.grid-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.pricing-card {
    border: var(--border);
    padding: 30px;
    text-align: center;
    background: #fff;
    position: relative;
}

.featured-plan {
    background: #000;
    color: #fff;
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.featured-plan .btn {
    background: #fff;
    color: #000;
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: -15px;
    background: #fff;
    color: #000;
    border: 2px solid #000;
    padding: 5px 15px;
    font-weight: bold;
    transform: rotate(10deg);
}

/* FAQ */
.faq-item {
    border: 2px solid #000;
    margin-bottom: 15px;
}

.faq-q {
    padding: 15px;
    font-weight: bold;
    cursor: pointer;
    background: #f0f0f0;
    border-bottom: 2px solid #000;
}

.faq-a {
    padding: 15px;
    background: #fff;
}

/* Reviews */
.review-card {
    border: 2px solid #000;
    padding: 20px;
    margin-bottom: 20px;
}

.stars {
    font-size: 24px;
    margin-bottom: 10px;
}

/* Footer */
.footer {
    border-top: var(--border);
    padding: 60px 40px 20px;
    background: #000;
    color: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer h4 {
    margin-bottom: 20px;
    font-size: 20px;
    text-transform: uppercase;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer ul li a {
    color: #fff;
    text-decoration: none;
}

.footer ul li a:hover {
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    margin-top: 60px;
    padding-top: 20px;
    border-top: 2px solid #333;
}

.img-responsive {
    max-width: 100%;
    height: auto;
    border: var(--border);
    margin-top: 20px;
}

/* === perf-opt-2026 === */
header, .header {
  contain: layout;
}
.card-white, .scene-card, .pricing-card, .review-card, .blog-card,
.download-item, .faq-item, .download-card-custom, .trust-card {
  contain: layout style;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
@media (max-width: 980px) {
  header, .header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}