/* ===================================
   Zone AI - Landing Page Styles
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-navy: #001133;
    --color-navy-light: #001a4d;
    --color-navy-lighter: #002255;
    --color-cyan: #00D1FF;
    --color-cyan-light: #66E0FF;
    --color-cyan-dark: #0066CC;
    --color-white: #FFFFFF;
    --color-gray-100: #F5F8FA;
    --color-gray-200: #E8EDF2;
    --color-gray-300: #D1D9E0;
    --color-gray-600: #6B7A8A;
    --color-success: #00E676;
    --color-error: #FF5252;

    /* Typography */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-cyan: 0 4px 20px rgba(0, 209, 255, 0.3);
    --shadow-cyan-lg: 0 8px 40px rgba(0, 209, 255, 0.4);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-white);
    background: var(--color-navy);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.05em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    color: rgba(255, 255, 255, 0.7);
}

.gradient-text {
    background: linear-gradient(90deg, var(--color-cyan) 0%, var(--color-cyan-light) 50%, var(--color-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(45deg, var(--color-cyan) 30%, var(--color-cyan-light) 90%);
    color: var(--color-navy);
    box-shadow: var(--shadow-cyan);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-cyan-lg);
}

.btn-outline {
    background: transparent;
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.btn-outline:hover {
    background: rgba(0, 209, 255, 0.1);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    background: rgba(0, 17, 51, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    height: 40px;
    width: auto;
}

.logo span {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-cyan);
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a:not(.btn) {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-links a:not(.btn):hover {
    color: var(--color-cyan);
    background: rgba(0, 209, 255, 0.1);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
}

.hero-blob-1 {
    top: 10%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 209, 255, 0.15) 0%, transparent 60%);
}

.hero-blob-2 {
    bottom: 10%;
    left: 5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(102, 224, 255, 0.1) 0%, transparent 60%);
    animation-delay: -10s;
    animation-direction: reverse;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, 30px) scale(1.1); }
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-grid-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-image {
    transform: scale(1.1);
    transform-origin: center right;
}

.hero-content h1 {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-stats {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 100px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-cyan);
    line-height: 1;
    display: block;
    width: 100%;
    text-align: center;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: var(--spacing-xs);
    display: block;
    width: 100%;
    text-align: center;
}

/* Browser Mockup */
.browser-mockup {
    background: #1a1a2e;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(0, 209, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.browser-header {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.browser-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.browser-dot:first-child { background: #FF5F57; }
.browser-dot:nth-child(2) { background: #FFBD2E; }
.browser-dot:nth-child(3) { background: #28CA41; }

.hero-screenshot {
    width: 100%;
    height: auto;
    display: block;
}

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
}

/* Features Section */
.features {
    background: linear-gradient(180deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 209, 255, 0.3);
    box-shadow: 0 0 30px rgba(0, 209, 255, 0.1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 209, 255, 0.2), rgba(0, 209, 255, 0.05));
    border-radius: var(--radius-md);
    color: var(--color-cyan);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.feature-card p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    background: var(--color-navy-light);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 200px;
}

.step-number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, var(--color-cyan) 30%, var(--color-cyan-light) 90%);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-cyan);
}

.step-content h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.step-content p {
    font-size: 0.875rem;
}

.step-connector {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-cyan-dark));
    margin-top: 30px;
    opacity: 0.5;
}

/* Pricing Section */
.pricing {
    background: linear-gradient(180deg, var(--color-navy-light) 0%, var(--color-navy) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    align-items: start;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 209, 255, 0.3);
}

.pricing-card.featured {
    background: rgba(0, 209, 255, 0.05);
    border-color: var(--color-cyan);
    transform: scale(1.05);
    box-shadow: var(--shadow-cyan-lg);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(45deg, var(--color-cyan) 30%, var(--color-cyan-light) 90%);
    color: var(--color-navy);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 0.375rem 1rem;
    border-radius: var(--radius-full);
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-md);
}

.pricing-header h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price .currency {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
}

.price .amount {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-cyan);
}

.price .period {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.pricing-features .check {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 230, 118, 0.2);
    border-radius: 50%;
    flex-shrink: 0;
}

.pricing-features .check::before {
    content: '';
    width: 8px;
    height: 5px;
    border-left: 2px solid var(--color-success);
    border-bottom: 2px solid var(--color-success);
    transform: rotate(-45deg);
    margin-top: -2px;
}

/* Contact Section */
.contact {
    background: var(--color-navy);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
}

.contact-item svg {
    color: var(--color-cyan);
}

.contact-form {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(0, 209, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--color-navy);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-content p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero-grid-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-navy);
        padding: var(--spacing-md);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

    .steps {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .step-connector {
        width: 2px;
        height: 40px;
        margin: 0;
    }
}

@media (max-width: 480px) {
    .btn-lg {
        width: 100%;
    }

    .pricing-card {
        padding: var(--spacing-md);
    }
}