/* Landing Page Styles - Premium Blue Theme */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #06b6d4;
    --accent: #0ea5e9;
    --text-main: #1f2937;
    --text-light: #6b7280;
    --bg-main: #ffffff;
    --bg-secondary: #f9fafb;
    --border-color: #e5e7eb;
    --gradient-1: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-2: linear-gradient(135deg, #0ea5e9 0%, #22d3ee 100%);
    --gradient-3: linear-gradient(135deg, #2563eb 0%, #0891b2 100%);
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

[data-theme="dark"] {
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --secondary: #22d3ee;
    --accent: #38bdf8;
    --text-main: #f9fafb;
    --text-light: #d1d5db;
    --bg-main: #0f172a;
    --bg-secondary: #1e293b;
    --border-color: #334155;
    --gradient-1: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-2: linear-gradient(135deg, #0ea5e9 0%, #22d3ee 100%);
    --gradient-3: linear-gradient(135deg, #2563eb 0%, #0891b2 100%);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation - Glassmorphism */
nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] nav {
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav.scrolled {
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] nav.scrolled {
    background: rgba(15, 23, 42, 0.95);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.3s;
}

.logo:hover {
    transform: scale(1.05);
}

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

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

.theme-toggle {
    background: var(--bg-secondary);
    border: none;
    padding: 0.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    color: var(--text-main);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--gradient-1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.theme-toggle:hover::before {
    width: 200%;
    height: 200%;
}

.theme-toggle:hover {
    color: white;
}

.theme-toggle i {
    position: relative;
    z-index: 1;
}

.cta-button {
    background: var(--gradient-1);
    color: white !important;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 15px -3px rgba(59, 130, 246, 0.5);
    position: relative;
    animation: nav-pulse 2s ease-in-out infinite;
}

@keyframes nav-pulse {

    0%,
    100% {
        box-shadow: 0 4px 15px -3px rgba(59, 130, 246, 0.5);
    }

    50% {
        box-shadow: 0 4px 20px 0px rgba(59, 130, 246, 0.7);
    }
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.8);
    animation: none;
    color: white !important;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-main);
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        background: var(--bg-main);
        flex-direction: column;
        width: 80%;
        height: calc(100vh - 70px);
        padding: 2rem;
        transition: right 0.3s;
        border-left: 1px solid var(--border-color);
    }

    .nav-links.active {
        right: 0;
    }

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

/* Hero Section - Animated Blue Gradient */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(-45deg, #3b82f6, #06b6d4, #0ea5e9, #2dd4bf);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    overflow: hidden;
}

[data-theme="dark"] .hero {
    background: linear-gradient(-45deg, #1e3a8a, #0c4a6e, #164e63, #115e59);
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    text-align: center;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    letter-spacing: -1px;
    color: #1e293b;
}

[data-theme="dark"] .hero h1 {
    color: white;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s 0.2s both cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    color: #334155;
}

[data-theme="dark"] .hero p {
    color: white;
}

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

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

.hero .cta-button {
    animation: fadeInUp 0.8s 0.4s both cubic-bezier(0.4, 0, 0.2, 1), pulse-glow 2s ease-in-out infinite;
    font-size: 1.2rem;
    padding: 1.2rem 2.5rem;
    background: rgba(59, 130, 246, 0.9);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 0 0 rgba(59, 130, 246, 0.7);
}

[data-theme="dark"] .hero .cta-button {
    background: rgba(59, 130, 246, 0.8);
    border: 2px solid rgba(96, 165, 250, 0.5);
}

.hero .cta-button:hover {
    background: rgba(59, 130, 246, 1);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.5), 0 0 30px rgba(59, 130, 246, 0.6);
    animation: fadeInUp 0.8s 0.4s both cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .hero .cta-button:hover {
    background: rgba(59, 130, 246, 1);
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 0 0 rgba(59, 130, 246, 0.7);
    }

    50% {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 20px 5px rgba(59, 130, 246, 0.4);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: white;
    font-size: 2rem;
    opacity: 0.8;
    cursor: pointer;
    transition: opacity 0.3s;
}

.scroll-indicator:hover {
    opacity: 1;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* About Section - Modern Clean Design */
.about {
    padding: 6rem 0;
    background: var(--bg-main);
    position: relative;
}

.about h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.about>.container>p {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 4rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.about-feature-card {
    background: var(--bg-main);
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.about-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.about-feature-card:hover::before {
    transform: scaleX(1);
}

.about-feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -10px rgba(59, 130, 246, 0.2);
}

.about-feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    transition: transform 0.3s;
}

.about-feature-card:hover .about-feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.about-feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-main);
    font-weight: 700;
}

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

/* Pricing Cards - Glassmorphism & 3D */
.pricing {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
    position: relative;
}

.pricing h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 3rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    perspective: 1000px;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 1.5rem;
    padding: 2.5rem;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

[data-theme="dark"] .pricing-card {
    background: rgba(30, 41, 59, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: -1;
}

.pricing-card:hover::before {
    opacity: 0.1;
}

.pricing-card.highlight {
    border-color: transparent;
    background: var(--gradient-1);
    color: white;
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 30px 60px -15px rgba(102, 126, 234, 0.5);
}

.pricing-card.highlight h3,
.pricing-card.highlight .price,
.pricing-card.highlight ul li {
    color: white;
}

.pricing-card:hover {
    transform: translateY(-20px) rotateX(5deg) scale(1.02);
    box-shadow: 0 30px 60px -12px rgba(59, 130, 246, 0.3);
}

.pricing-card.highlight:hover {
    transform: scale(1.08) translateY(-15px);
    box-shadow: 0 40px 80px -15px rgba(59, 130, 246, 0.6);
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    margin-bottom: 1.5rem;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

.pricing-card .price span {
    font-size: 1.2rem;
    color: var(--text-light);
}

.pricing-card.highlight .price {
    -webkit-text-fill-color: white;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-card ul li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.pricing-card ul li:hover {
    transform: translateX(10px);
    padding-left: 0.5rem;
}

.pricing-card ul li::before {
    content: '✓';
    display: inline-flex;
    width: 26px;
    height: 26px;
    background: var(--gradient-1);
    color: white;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.pricing-card ul li:hover::before {
    transform: rotate(360deg) scale(1.1);
}

.pricing-card.highlight ul li::before {
    background: white;
    color: #3b82f6;
}

.pricing-card .cta-button {
    transition: all 0.3s;
}

.pricing-card:hover .cta-button {
    transform: scale(1.05);
}

/* FAQ Section - Enhanced */
.faq {
    padding: 5rem 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.faq::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%233b82f6' fill-opacity='0.1' d='M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
    background-size: cover;
    animation: wave 10s linear infinite;
}

@keyframes wave {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    box-shadow: 0 10px 30px -10px rgba(59, 130, 246, 0.2);
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.faq-question:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

.faq-question i {
    transition: transform 0.3s, color 0.3s;
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s;
    padding: 0 1.5rem;
    color: var(--text-light);
}

.faq-answer.active {
    max-height: 500px;
    padding: 1.5rem;
}

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-main);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

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