/* Stylesheet for Extera Landing Page - Nothing Style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

:root {
    --bg: #000000;
    --bg-gradient: radial-gradient(circle at 50% 30%, #0d0d12 0%, #040406 60%, #000000 100%);
    --bg-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.005) 100%);
    --bg-surface-hover: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
    --border: rgba(255, 255, 255, 0.04);
    --border-hover: rgba(255, 255, 255, 0.1);
    --text: #ffffff;
    --text-dim: #8e8e93;
    --text-muted: #444446;
    --accent: #ffffff;
    --sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --serif: 'Unbounded', sans-serif;
    --mono: 'Space Mono', monospace;
}

body {
    font-family: var(--sans);
    background-color: var(--bg);
    background-image: var(--bg-gradient);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Background Effects */
.bg-glow {
    position: fixed;
    top: 5%;
    left: 50%;
    transform: translate(-50%, -20%);
    width: 70vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.035) 0%, rgba(0, 0, 0, 0) 75%);
    pointer-events: none;
    z-index: 0;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}

/* Container */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.4);
}

.header-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-text {
    font-family: var(--serif);
    font-size: 20px;
    font-weight: 750;
    letter-spacing: -1px;
    text-transform: lowercase;
    color: var(--text);
}

.nav {
    display: flex;
    gap: 32px;
    border: 1px solid var(--border);
    padding: 6px 24px;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.01);
}

.nav-item {
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-dim);
    text-decoration: none;
    text-transform: lowercase;
    transition: color 0.2s ease;
}

.nav-item:hover {
    color: var(--text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    text-transform: lowercase;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.25, 1, 0.5, 1);
    border: none;
}

.btn-primary {
    background: #ffffff;
    color: #000000;
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.02);
    color: #ffffff;
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
}

.btn-outline {
    background: transparent;
    color: #ffffff;
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.02);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.btn-card {
    width: 100%;
    padding: 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.02);
    color: #ffffff;
    border: 1px solid var(--border);
    margin-top: auto;
}

.btn-card:hover {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding-top: 200px;
    padding-bottom: 140px;
    text-align: center;
    position: relative;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-family: var(--mono);
    font-weight: 500;
    color: var(--text-dim);
    padding: 6px 18px;
    border: 1px solid var(--border);
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.01);
    margin-bottom: 32px;
}

.status-circle {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #ffffff;
}

.hero-title {
    font-family: var(--serif);
    font-size: 54px;
    font-weight: 750;
    line-height: 1.15;
    letter-spacing: -2px;
    margin-bottom: 24px;
    text-transform: lowercase;
}

.text-gradient {
    color: var(--text-dim);
}

.hero-subtitle {
    font-family: var(--sans);
    font-size: 15px;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 40px;
    min-height: 27px;
    font-weight: 400;
}

.cursor {
    animation: blink 0.8s infinite;
    font-weight: 300;
    color: #ffffff;
}

@keyframes blink {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Sections */
.features, .pricing {
    padding: 100px 0;
    border-top: 1px solid var(--border);
}

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

.section-title {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 750;
    letter-spacing: -1px;
    margin-bottom: 12px;
    text-transform: lowercase;
}

.section-subtitle {
    font-size: 14.5px;
    color: var(--text-dim);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    .header-container {
        padding: 0 16px;
    }
    .nav {
        display: none;
    }
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px;
    transition: all 0.25s cubic-bezier(0.25, 1, 0.5, 1);
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    background: var(--bg-surface-hover);
    border-color: var(--border-hover);
}

.feature-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.feature-number {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-muted);
}

.feature-icon {
    width: 20px;
    height: 20px;
    color: var(--text-dim);
}

.feature-card-title {
    font-family: var(--serif);
    font-size: 16px;
    font-weight: 750;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    text-transform: lowercase;
}

.feature-card-text {
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--text-dim);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 38px;
    }
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    .btn {
        width: 100%;
    }
}

.price-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.price-card:hover {
    background: var(--bg-surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 255, 255, 0.05);
}

.price-card.popular {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.015);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.price-card.popular:hover {
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(255, 255, 255, 0.1);
}

.popular-ribbon {
    position: absolute;
    top: 18px;
    right: 18px;
    background: #ffffff;
    color: #000000;
    font-size: 9px;
    font-family: var(--mono);
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
    box-shadow: 0 4px 10px rgba(255, 255, 255, 0.2);
}

.price-header {
    margin-bottom: 24px;
}

.plan-badge {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-muted);
    text-transform: lowercase;
}

.plan-name {
    font-family: var(--serif);
    font-size: 20px;
    font-weight: 750;
    margin: 8px 0 4px;
    letter-spacing: -0.5px;
    text-transform: lowercase;
}

.plan-desc {
    font-size: 12.5px;
    color: var(--text-dim);
}

.price-amount {
    font-family: var(--serif);
    font-size: 36px;
    font-weight: 750;
    margin-bottom: 28px;
    letter-spacing: -1px;
    display: flex;
    align-items: flex-start;
}

.currency {
    font-size: 18px;
    font-weight: 500;
    margin-top: 4px;
    margin-right: 4px;
    color: var(--text-dim);
}

.plan-features {
    list-style: none;
    margin-bottom: 32px;
}

.plan-features li {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.plan-features li::before {
    content: "";
    width: 4px;
    height: 4px;
    background: var(--text-dim);
    border-radius: 50%;
    display: inline-block;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 48px 0;
    background: rgba(0, 0, 0, 0.4);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-left .copyright {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 13px;
    text-transform: lowercase;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--text);
}

/* Interactive Glow Adjustments */
.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
    z-index: 0;
    transition: left 0.15s cubic-bezier(0.25, 1, 0.5, 1), top 0.15s cubic-bezier(0.25, 1, 0.5, 1);
    mix-blend-mode: screen;
}

/* 3D Tilt Transitions */
.feature-card, .price-card {
    transition: transform 0.15s cubic-bezier(0.25, 1, 0.5, 1), border-color 0.25s, background 0.25s, box-shadow 0.25s;
    transform-style: preserve-3d;
}

/* Scroll Reveal classes */
.reveal-item {
    opacity: 0;
    filter: blur(12px);
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                filter 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-item.revealed {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

/* Multipage layout */
.web-page {
    display: none;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.web-page.active-page {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.nav-item.active-nav {
    color: #ffffff !important;
    font-weight: 700;
}