:root {
    --bg: #0b0d10;
    --card-bg: rgba(26, 29, 35, 0.7);
    --primary: #00bfff;
    --primary-glow: rgba(0, 191, 255, 0.3);
    --secondary: #ffffff;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
}

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

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 13, 16, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-sub {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: #000;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-primary-small {
    background: var(--primary);
    color: #000;
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
}

.btn-secondary {
    border: 1px solid var(--border);
    color: white;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    margin-left: 15px;
    transition: all 0.3s;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: radial-gradient(circle at top right, rgba(0, 191, 255, 0.05), transparent);
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 25px;
    font-weight: 700;
}

.text-gradient {
    background: linear-gradient(90deg, #fff, var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

/* Hero Visual Image */
.hero-image-wrapper {
    width: 100%;
    max-width: 600px;
    position: relative;
    transform: rotateY(-10deg) rotateX(5deg);
    transition: transform 0.5s ease;
    filter: drop-shadow(0 0 30px var(--primary-glow));
}

.hero-image-wrapper:hover {
    transform: rotateY(-5deg) rotateX(2deg) scale(1.02);
}

.hero-main-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    display: block;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}

/* Features */
.features {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.6;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 24px;
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.icon-box {
    background: rgba(0, 191, 255, 0.1);
    color: var(--primary);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    margin-bottom: 25px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 40px 30px;
    border-radius: 30px;
    text-align: center;
    position: relative;
    transition: transform 0.3s, border-color 0.3s;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255,255,255,0.2);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(180deg, rgba(0, 191, 255, 0.05), transparent);
    box-shadow: 0 20px 40px rgba(0, 191, 255, 0.1);
}

.popular-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #000;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
}

.pricing-card h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--text-muted);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.price small {
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.period {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 40px;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.pricing-features i {
    width: 20px;
    color: var(--primary);
}

.pricing-features .icon-x {
    color: #ff4444;
}

.btn-outline {
    border: 1px solid var(--border);
    color: #fff;
    padding: 12px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-primary-card {
    background: var(--primary);
    color: #000;
    padding: 15px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.3s;
}

.btn-primary-card:hover {
    transform: scale(1.05);
}

/* Visual Showcase */
.showcase {
    padding: 100px 0;
    background: #0f1115;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.screenshot-frame {
    background: #1a1d23;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.software-img {
    width: 100%;
    border-radius: 6px;
    display: block;
}

.caption {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
}

.video-container {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    border: 1px solid var(--border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.video-container video {
    width: 100%;
    display: block;
    border-radius: 12px;
}

.video-placeholder {
    aspect-ratio: 16 / 9;
    background: #1a1d23;
    border: 2px dashed #333;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

#video-play-icon {
    width: 60px;
    height: 60px;
    color: var(--primary);
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Engineering Section */
.engineering {
    padding: 100px 0;
}

.split-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.tech-info {
    flex: 1;
}

.tech-list {
    list-style: none;
    margin-top: 30px;
}

.tech-list li {
    margin-bottom: 20px;
    padding-left: 20px;
    border-left: 3px solid var(--primary);
}

.engineering-visual {
    flex: 1;
    background: #1a1d23;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--border);
}

.stress-meter {
    background: #000;
    padding: 20px;
    border-radius: 12px;
}

.meter-bar {
    height: 12px;
    border-radius: 6px;
    margin-bottom: 10px;
}

/* Personas */
.personas {
    padding: 100px 0;
    background: #0f1115;
}

.personas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.persona-card {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 24px;
    text-align: center;
}

.persona-card i {
    width: 40px;
    height: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

/* FAQ */
.faq {
    padding: 100px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 50px;
}

.faq-item h4 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

@media (max-width: 900px) {
    .showcase-content, .split-content, .faq-grid {
        grid-template-columns: 1fr;
        flex-direction: column;
    }
}

/* Legal Detail Section */
.legal-detail {
    padding: 80px 0;
    background: #0b0d10;
}

.legal-box {
    background: #1a1d23;
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 20px;
}

.legal-box h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--primary);
}

.legal-box p {
    color: var(--secondary);
    font-size: 1rem;
    margin-bottom: 25px;
}

.warning-text {
    background: rgba(255, 68, 68, 0.05);
    border: 1px solid #ff4444;
    padding: 25px;
    border-radius: 12px;
    border-left: 5px solid #ff4444;
}

.warning-text p {
    color: #ff9999;
    margin-bottom: 0;
    font-size: 0.95rem;
    line-height: 1.4;
}

/* Activation Steps */
.activation {
    padding: 100px 0;
    background: #0f1115;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
}

.step-num {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.step h4 {
    margin-bottom: 10px;
}

.step p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Download Section */
.download {
    padding: 100px 0;
}

.download-card {
    background: linear-gradient(135deg, #1a1d23, #0b0d10);
    padding: 80px 40px;
    border-radius: 40px;
    text-align: center;
    border: 1px solid var(--border);
}

.download-card h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.download-card p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

.download-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: var(--primary);
    color: #000;
    padding: 20px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    transition: transform 0.3s;
}

.btn-download:hover {
    transform: scale(1.05);
}

.contact-info {
    margin-top: 50px;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.5rem;
    margin-top: 15px;
    transition: opacity 0.3s;
}

.contact-btn:hover {
    opacity: 0.8;
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    margin-top: 100px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-weight: 700;
}

/* Animations */
.animate-fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 1s forwards;
}

.animate-fade-in-delay {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 1s 0.3s forwards;
}

.animate-fade-in-delay-2 {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 1s 0.6s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero {
        flex-direction: column-reverse;
        height: auto;
        padding-bottom: 100px;
    }
    
    .hero-content {
        text-align: center;
        padding-top: 60px;
    }
    
    .hero p {
        margin: 0 auto 40px;
    }
    
    .hero-image-wrapper {
        margin-top: 60px;
        transform: none;
        max-width: 100%;
    }
}