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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --light: #f1f5f9;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 24px;
}

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

.logo-img-footer {
    height: 36px;
    width: auto;
    margin-bottom: 0.75rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

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

/* Hero */
.hero {
    padding: 160px 0 120px;
    background: linear-gradient(160deg, #f8fafc 0%, #eef2ff 60%, #f5f3ff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 760px;
}

.hero-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark);
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 620px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

/* Section labels */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Portfolio */
.portfolio {
    padding: 120px 0;
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.product-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1.5px solid var(--light);
    transition: all 0.25s;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.08);
    border-color: transparent;
}

.product-card.featured {
    border-color: transparent;
    background: linear-gradient(white, white) padding-box,
                var(--gradient) border-box;
    border: 1.5px solid transparent;
}

.product-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.product-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.product-badge.active {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.product-name {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.product-tagline {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
}

.product-description {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.75;
    flex: 1;
}

/* About */
.about {
    padding: 120px 0;
    background: var(--light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-pillars {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 2rem;
}

.pillar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark);
}

.pillar-icon {
    font-size: 1.25rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 500;
}

/* Contact */
.contact {
    padding: 120px 0;
    background: var(--dark);
}

.contact-content {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.contact .section-label {
    color: var(--secondary);
}

.contact .section-title {
    color: var(--white);
}

.contact-description {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.contact-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact .btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.2);
}

.contact .btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

/* Footer */
.footer {
    background: var(--dark-light);
    color: var(--white);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2.5rem;
}

.footer-brand p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 1rem;
}

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

.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    display: block;
    padding: 0.35rem 0;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: var(--gray);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }

    .hero-title {
        font-size: 2.4rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

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

    .products-grid,
    .about-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }

    .about-grid {
        gap: 3rem;
    }

    .about-text .section-title {
        font-size: 2rem;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 1.5rem 1.5rem;
        gap: 0;
        border-bottom: 1px solid var(--light);
        box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu li a {
        display: block;
        padding: 0.875rem 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--light);
    }

    .nav-menu li:last-child a {
        border-bottom: none;
    }

    .nav-toggle {
        display: flex;
    }

    .contact-actions {
        flex-direction: column;
        align-items: center;
    }
}