/* OttoVoice Marketing Site - Futuristic Green Theme */

:root {
    --primary: #00ff87;
    --primary-dim: rgba(0, 255, 135, 0.3);
    --secondary: #00d4ff;
    --dark: #0a0a0f;
    --darker: #050508;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --text: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.6);
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Animated Background Grid */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(rgba(0, 255, 135, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 135, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* Floating Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.4;
    animation: float 15s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 14s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 16s; }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 20s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 13s; }
.particle:nth-child(7) { left: 70%; animation-delay: 2s; animation-duration: 17s; }
.particle:nth-child(8) { left: 80%; animation-delay: 4s; animation-duration: 15s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1s; animation-duration: 19s; }

@keyframes float {
    0%, 100% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 0.4; }
    50% { transform: translateY(50vh) scale(1); opacity: 0.6; }
    90% { opacity: 0.4; }
    100% { transform: translateY(-10vh) scale(0); opacity: 0; }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(5, 5, 8, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo img {
    height: 36px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
}

.logo span em {
    font-style: normal;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--gradient);
    color: #000;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s;
    box-shadow: 0 0 30px var(--primary-dim);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--primary-dim);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 140px 20px 80px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s backwards;
}

.hero h1 .gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 600px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.btn-primary {
    background: var(--gradient);
    color: #000;
    padding: 16px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all 0.3s;
    box-shadow: 0 0 40px var(--primary-dim);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px var(--primary-dim);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    padding: 16px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    border: 1px solid var(--card-border);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: var(--card-bg);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Phone Demo */
.phone-demo {
    margin-top: 60px;
    position: relative;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.phone-mockup {
    width: 320px;
    height: 640px;
    background: linear-gradient(145deg, #1a1a24, #0d0d12);
    border-radius: 45px;
    padding: 15px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5), 0 0 60px var(--primary-dim);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--dark);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.phone-header {
    padding: 50px 20px 20px;
    text-align: center;
    background: linear-gradient(180deg, var(--darker) 0%, transparent 100%);
}

.phone-header .caller {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.phone-header .status {
    font-size: 0.9rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.phone-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-bubble {
    max-width: 85%;
    padding: 14px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    line-height: 1.5;
    animation: bubbleIn 0.4s ease;
}

.chat-bubble.ai {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    align-self: flex-start;
    border-bottom-left-radius: 6px;
}

.chat-bubble.caller {
    background: var(--gradient);
    color: #000;
    align-self: flex-end;
    border-bottom-right-radius: 6px;
}

@keyframes bubbleIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.phone-footer {
    padding: 20px;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.phone-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.phone-btn.end {
    background: #ff4444;
    color: white;
}

.phone-btn.mute {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text);
}

/* Sound Wave Animation */
.sound-wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    pointer-events: none;
}

.wave-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid var(--primary);
    opacity: 0;
    animation: waveExpand 3s infinite ease-out;
}

.wave-ring:nth-child(1) { animation-delay: 0s; }
.wave-ring:nth-child(2) { animation-delay: 1s; }
.wave-ring:nth-child(3) { animation-delay: 2s; }

@keyframes waveExpand {
    0% {
        width: 320px;
        height: 640px;
        opacity: 0.6;
    }
    100% {
        width: 600px;
        height: 900px;
        opacity: 0;
    }
}

/* Features Section */
.features {
    padding: 120px 60px;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-dim);
    max-width: 500px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 255, 135, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px var(--primary-dim);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 1rem;
    line-height: 1.7;
}

/* How It Works */
.how-it-works {
    padding: 120px 60px;
    background: var(--dark);
    position: relative;
    z-index: 1;
}

.steps {
    display: flex;
    justify-content: center;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    flex: 1;
    min-width: 250px;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    color: #000;
    margin: 0 auto 24px;
    box-shadow: 0 0 40px var(--primary-dim);
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* Pricing */
.pricing {
    padding: 120px 60px;
    position: relative;
    z-index: 1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    transition: all 0.4s;
    position: relative;
}

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 0 60px var(--primary-dim);
}

.pricing-card.popular::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: #000;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.pricing-card:hover:not(.popular) {
    transform: translateY(-8px);
    border-color: rgba(0, 255, 135, 0.3);
}

.pricing-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 8px;
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-dim);
}

.pricing-card .minutes {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
}

.pricing-cta {
    display: block;
    width: 100%;
    padding: 14px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s;
}

.pricing-card.popular .pricing-cta {
    background: var(--gradient);
    color: #000;
}

.pricing-card:not(.popular) .pricing-cta {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--card-border);
}

.pricing-card:not(.popular) .pricing-cta:hover {
    border-color: var(--primary);
    background: var(--card-bg);
}

/* Testimonials */
.testimonials {
    padding: 120px 60px;
    background: var(--dark);
    position: relative;
    z-index: 1;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

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

.testimonial-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--text-dim);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #000;
}

.testimonial-author h4 {
    font-weight: 600;
    margin-bottom: 2px;
}

.testimonial-author span {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* CTA Section */
.cta-section {
    padding: 120px 60px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-box {
    max-width: 800px;
    margin: 0 auto;
    background: var(--gradient);
    border-radius: 32px;
    padding: 80px 60px;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.cta-box h2 {
    font-size: 2.5rem;
    font-weight: 900;
    color: #000;
    margin-bottom: 16px;
    position: relative;
}

.cta-box p {
    font-size: 1.15rem;
    color: rgba(0, 0, 0, 0.7);
    margin-bottom: 30px;
    position: relative;
}

.cta-box .btn-dark {
    background: #000;
    color: var(--text);
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    position: relative;
}

.cta-box .btn-dark:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Footer */
footer {
    padding: 60px;
    background: var(--darker);
    border-top: 1px solid var(--card-border);
    position: relative;
    z-index: 1;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo img {
    height: 30px;
}

.footer-logo span {
    font-size: 1.3rem;
    font-weight: 800;
}

.footer-logo span em {
    font-style: normal;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

.footer-copy {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    nav {
        padding: 15px 20px;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 120px 20px 60px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .phone-mockup {
        width: 280px;
        height: 560px;
    }

    .features, .how-it-works, .pricing, .testimonials, .cta-section {
        padding: 80px 20px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
        gap: 40px;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    footer {
        padding: 40px 20px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
}

/* Animations on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}