:root {
    --bg-color: #050507;
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    --accent: #FF5A00;
    --accent-hover: #FF7B33;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

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

/* Background glows */
.glow-circle {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,90,0,0.15) 0%, rgba(5,5,7,0) 70%);
    z-index: -1;
    pointer-events: none;
}

.top-left { top: -200px; left: -200px; }
.bottom-right { bottom: 10%; right: -200px; }

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.btn-primary {
    background: var(--accent);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 90, 0, 0.2);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 80vh;
}

.hero-content {
    flex: 1;
    padding-right: 4rem;
}

h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, #FF5A00, #FFB347);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 500px;
}

.cta-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

.btn-primary.large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

.pricing-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Phone Mockup / RSVP Demo */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.glass-phone {
    width: 320px;
    height: 650px;
    background: rgba(25, 25, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5), inset 0 0 20px rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    transform: rotateY(-15deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.glass-phone:hover {
    transform: rotateY(-5deg) rotateX(2deg) translateY(-10px);
}

.app-ui {
    background: #0A0A0C;
    height: 100%;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.app-header {
    padding: 2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.book-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.wpm-badge {
    background: rgba(255, 90, 0, 0.2);
    color: var(--accent);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.rsvp-display {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    position: relative;
}

/* Central focus lines for RSVP */
.rsvp-display::before, .rsvp-display::after {
    content: '';
    position: absolute;
    height: 10px;
    width: 2px;
    background: var(--accent);
    left: 50%;
    transform: translateX(-50%);
}
.rsvp-display::before { top: 30%; }
.rsvp-display::after { bottom: 30%; }

.app-controls {
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
}

.icon-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.3s;
}

.icon-btn:hover { background: rgba(255,255,255,0.1); }

.play-btn {
    background: var(--accent);
    border: none;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(255, 90, 0, 0.3);
    transition: transform 0.2s;
}

.play-btn:active { transform: scale(0.95); }

.progress-bar {
    height: 4px;
    background: rgba(255,255,255,0.1);
    margin: 0 1.5rem 2rem;
    border-radius: 2px;
}

.progress-fill {
    height: 100%;
    width: 30%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.1s linear;
}

/* Features */
.features {
    padding: 5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    transition: transform 0.3s;
}

.glass:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 90, 0, 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 3rem 5%;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
}

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .hero { flex-direction: column; text-align: center; }
    .hero-content { padding-right: 0; margin-bottom: 4rem; }
    .hero-content p { margin: 1.5rem auto; }
    .cta-group { align-items: center; }
    .nav-links { display: none; }
}