/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #000000;
    --bg-card: #111111;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-primary: #3b82f6;
    --accent-secondary: #1e40af;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --border-color: rgba(59, 130, 246, 0.2);
    --grid-color: rgba(59, 130, 246, 0.05);
    --hero-blur-bg: rgba(10, 10, 10, 0.6);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent-primary: #2563eb;
    --accent-secondary: #1e3a8a;
    --accent-glow: rgba(37, 99, 235, 0.2);
    --border-color: rgba(37, 99, 235, 0.3);
    --grid-color: rgba(37, 99, 235, 0.03);
    --hero-blur-bg: rgba(255, 255, 255, 0.8);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative;
    overflow-x: hidden;
}

/* Animated grid background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    opacity: 0.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Navigation ===== */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--accent-glow);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.logo-text {
    display: inline-block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
    box-shadow: 0 0 5px var(--accent-glow);
}

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

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

.theme-toggle {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--accent-primary);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 5;
    position: relative;
    max-width: 900px;
    padding: 0;
}

/* Soft feathered blur behind text - no hard edges */
.hero-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 140%;
    height: 140%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--hero-blur-bg) 0%, transparent 80%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: -1;
    pointer-events: none;
    border-radius: 50%;
    mask-image: radial-gradient(circle, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle, black 30%, transparent 70%);
}

.hero-logo {
    max-width: 250px;
    width: 60%;
    height: auto;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 30px var(--accent-glow));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.hero h1 {
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: 8px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow:
        0 0 20px var(--accent-glow),
        0 0 40px var(--accent-glow);
}

/* Glitch animation - Note: Currently disabled in home.html */
/* To enable glitch animation, use the following line in home.html */
/* <h1 class="glitch" data-text="SYNCLOGIC">SYNCLOGIC</h1> */

/* .glitch {
    position: relative;
    animation: glitch 3s infinite;
} */

@keyframes glitch {

    0%,
    90%,
    100% {
        transform: translate(0);
    }

    92% {
        transform: translate(-2px, 2px);
    }

    94% {
        transform: translate(2px, -2px);
    }

    96% {
        transform: translate(-2px, -2px);
    }
}

.tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--accent-secondary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
    border-color: transparent;
}

.btn-primary:hover {
    background: transparent;
    color: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

/* Technical Background Components */
.hero-animation-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.blueprint-grid {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.15) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.15) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(1000px) rotateX(60deg);
    animation: gridMove 20s linear infinite;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 5;
}

@keyframes gridMove {
    from {
        transform: perspective(1000px) rotateX(60deg) translateY(0);
    }

    to {
        transform: perspective(1000px) rotateX(60deg) translateY(60px);
    }
}

.data-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 3;
}

.data-particle {
    position: absolute;
    background: var(--accent-primary);
    height: 2px;
    width: 40px;
    border-radius: 2px;
    opacity: 0;
    animation: flowDown linear infinite;
}

@keyframes flowDown {
    0% {
        transform: translateY(-100vh);
        opacity: 0;
    }

    10% {
        opacity: 0.6;
    }

    90% {
        opacity: 0.6;
    }

    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(10, 10, 10, 0) 0%, var(--bg-primary) 85%);
    z-index: 2;
    pointer-events: none;
}

/* ===== Features Section ===== */
.features {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

/* ===== Page Header ===== */
.page-header {
    padding: 5rem 0 3rem;
    text-align: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    text-shadow: 0 0 15px var(--accent-glow);
}

/* ===== Services ===== */
.services-list {
    padding: 4rem 0;
}

.service-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.service-item:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px var(--accent-glow);
}

.service-item h2 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.service-item ul {
    list-style: none;
    padding-left: 0;
    margin-top: 1rem;
}

.service-item li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-item li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* ===== About ===== */
.about-content {
    padding: 4rem 0;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section h2 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

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

.tech-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
}

.tech-item h3 {
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.benefits-list {
    list-style: none;
    padding-left: 0;
}

.benefits-list li {
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--bg-card);
    border-left: 3px solid var(--accent-primary);
    border-radius: 5px;
}

/* ===== Contact ===== */
.contact-content {
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contact-info {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
}

.info-item {
    margin-bottom: 2rem;
}

.info-item h3 {
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.info-item a {
    color: var(--accent-primary);
    text-decoration: none;
}

.contact-form-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
}

.contact-form-container h2 {
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* ===== Footer ===== */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

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

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

.pricing-section {
    padding: 5rem 0 4rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
}

.pricing-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}


.pricing-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 25px var(--accent-glow);
    transform: translateY(-5px);
}

.pricing-card.featured {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-5px);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    padding: 0.6rem 1.75rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: 0 4px 15px var(--accent-glow);
    white-space: nowrap;
    z-index: 10;
}

.plan-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.plan-name {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.plan-price {
    margin: 1rem 0;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    align-self: flex-start;
    margin-top: 0.5rem;
}

.price {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.period {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.plan-best-for {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
}

.plan-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    margin: 1.5rem auto;
    border-radius: 2px;
}

.plan-tagline {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    flex-grow: 1;
    text-align: left;
}

.plan-features li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.pricing-card .btn {
    margin-top: auto;
    width: 100%;
}

/* ===== Success Message ===== */
.success-message {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border: 2px solid var(--accent-primary);
    border-radius: 10px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
    font-weight: 600;
    text-align: center;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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