/* Container & Grid System */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* Sections */
section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
    position: relative;
}

@media (min-width: 768px) {
    section {
        padding-top: var(--space-32);
        padding-bottom: var(--space-32);
    }
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

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

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--space-2);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}

.gap-12 {
    gap: var(--space-12);
}

/* Grid Utilities */
.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* Cards & Surfaces (SaaS Dashboard Vibe) */
.card-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card-glass:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* Base Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-pill);
    font-weight: 500;
    font-size: 1rem;
    transition: all var(--transition-normal);
    text-decoration: none;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: var(--text-light);
    /* Changed to use --text-light for better contrast */
    box-shadow: 0 4px 14px 0 rgba(10, 37, 64, 0.39);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 6px 20px rgba(10, 37, 64, 0.23);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--text-primary);
    background-color: var(--bg-secondary);
}

/* Header/Nav */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    height: var(--header-height);
    display: flex;
    align-items: center;
    transition: all var(--transition-normal);
}

.site-header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    padding: var(--space-2);
}

.nav-links {
    display: none;
}

/* Mobile specific Header overrides */
@media (max-width: 767px) {
    .mobile-menu-btn {
        display: block;
    }

    .header-cta {
        display: none;
        /* Hide primary CTA on small screens to fit logo and hamburger */
    }

    .nav-links {
        display: none;
        /* Hidden by default */
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: var(--space-6);
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-light);
        gap: var(--space-4);
    }

    .nav-links.active {
        display: flex;
        /* Shown when toggled */
    }
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: var(--space-8);
        align-items: center;
    }
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* Absolute Positioning Utilities */
.absolute {
    position: absolute;
}

.relative {
    position: relative;
}

.inset-0 {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.z-0 {
    z-index: 0;
}

.z-10 {
    z-index: 10;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    color: var(--text-light);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 99;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background-color: var(--accent-hover);
    transform: translateY(-5px);
}

/* Chrome Android / Global Responsive Fixes */
@media (max-width: 767px) {

    /* Ensure containers don't trigger horizontal scroll */
    .container {
        overflow-x: hidden;
    }

    body {
        overflow-x: hidden;
    }

    /* Slightly smaller buttons for mobile */
    .btn {
        padding: var(--space-2) var(--space-4) !important;
        font-size: 0.875rem !important;
    }

    /* Scale down any pure CSS illustrations that exceed screen bounds */
    [style*="width: 400px"],
    [style*="width: 500px"],
    [style*="width: 600px"],
    .innovation-core-wrapper,
    .neural-net-wrapper,
    .zero-trust-wrapper,
    .ide-wrapper {
        transform: scale(0.65);
        transform-origin: center center;
    }
}