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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #0ea5e9;
    --accent: #ec4899;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --light: #f8fafc;
    --white: #ffffff;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* Navbar - Ultra Modern */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: block;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.logo {
    height: 48px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-item {
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.nav-item:hover {
    color: var(--white);
}

.nav-item:hover::before {
    opacity: 1;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s;
}

/* Hero Section */
.main-content {
    flex: 1;
}

.hero {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, var(--white) 0%, var(--light) 100%);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Content Area */
.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.tool-card {
    background: var(--white);
    border-radius: 24px;
    padding: 4rem 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-card:hover {
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.1);
    transform: translateY(-4px);
}

.placeholder-content {
    text-align: center;
}

.placeholder-icon {
    display: inline-flex;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(14, 165, 233, 0.1));
    border-radius: 50%;
    color: var(--primary);
    margin-bottom: 2rem;
}

.placeholder-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.placeholder-content p {
    color: var(--gray);
    font-size: 1.1rem;
}

/* Footer - Modern & Clean */
.footer {
    background: var(--dark);
    color: #94a3b8;
    margin-top: 6rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 4rem;
}

.footer-col h3 {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.about-col p {
    line-height: 1.8;
    margin-bottom: 1rem;
}

.tagline {
    color: var(--primary);
    font-weight: 600;
    margin-top: 1.5rem;
}

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

.footer-list li {
    margin-bottom: 0.75rem;
}

.footer-list a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
    display: inline-block;
}

.footer-list a:hover {
    color: var(--white);
    transform: translateX(4px);
}

/* Social Grid */
.social-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--dark-light);
    border-radius: 12px;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.social-link span {
    font-weight: 500;
    font-size: 0.9rem;
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    text-align: center;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: #64748b;
}

.footer-bottom p:first-child {
    margin-bottom: 0.5rem;
}

.heart {
    color: #ef4444;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.1); }
    50% { transform: scale(1); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .about-col {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 78px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        padding: 1rem;
        gap: 0.5rem;
        transform: translateX(-100%);
        transition: transform 0.3s;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-item {
        padding: 1rem;
        text-align: center;
    }

    .hero {
        padding: 3rem 1.5rem 2rem;
    }

    .content-wrapper {
        padding: 1.5rem;
    }

    .tool-card {
        padding: 3rem 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 3rem 1.5rem;
    }

    .about-col {
        grid-column: 1;
    }

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

@media (max-width: 480px) {
    .logo {
        height: 40px;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .placeholder-icon {
        padding: 1.5rem;
    }

    .placeholder-content h2 {
        font-size: 1.5rem;
    }
}