/* Design System & Variables */
:root {
    /* Colors */
    --primary-color: #0F172A;
    /* Dark Slate/Navy */
    --secondary-color: #3B82F6;
    /* Bright Blue */
    --accent-color: #F59E0B;
    /* Amber/Orange */
    --background-color: #F8FAFC;
    /* Off-white */
    --surface-color: #FFFFFF;
    /* White */
    --text-color: #334155;
    /* Slate Grey */
    --text-light: #64748B;
    /* Lighter Grey */
    --white: #FFFFFF;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    --h1-size: 3.5rem;
    --h2-size: 2.5rem;
    --h3-size: 1.75rem;
    --body-size: 1rem;
    --small-size: 0.875rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--primary-color);
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--h1-size);
}

h2 {
    font-size: var(--h2-size);
}

h3 {
    font-size: var(--h3-size);
}

p {
    margin-bottom: var(--spacing-sm);
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.grid,
.grid-2,
.grid-3,
.grid-4 {
    display: grid;
    gap: var(--spacing-md);
}

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

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

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

.flex {
    display: flex;
    gap: var(--spacing-md);
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.text-primary {
    color: var(--secondary-color);
}

/* Components */

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #2563EB;
    /* Darker blue */
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #1E293B;
    /* Lighter navy */
    transform: translateY(-2px);
}

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

/* Tech Card */
.tech-card {
    background: white;
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
    font-weight: 600;
    color: var(--text-color);
    border: 1px solid #E2E8F0;
    transition: all var(--transition-fast);
}

.tech-card:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background-color: #F8FAFC;
}

.tech-card.more {
    background-color: #EFF6FF;
    color: var(--secondary-color);
    border-color: #BFDBFE;
    font-style: italic;
}

.tech-card.more:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    border-color: var(--secondary-color);
}

/* Navbar */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.55rem 0;
}

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

.logo {
    display: block;
    width: 150px;
    /* Adjust as needed */
}

.logo img {
    height: 53px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin: 0;
    padding: 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: #94A3B8;
    margin-top: var(--spacing-sm);
    max-width: 300px;
}

.footer-heading {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: #94A3B8;
}

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

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: var(--spacing-md);
    text-align: center;
    color: #94A3B8;
    font-size: var(--small-size);
}

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --h1-size: 3rem;
        --h2-size: 2.25rem;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --h1-size: 2.5rem;
        --h2-size: 2rem;
        --h3-size: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    /* Navigation */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        text-align: center;
        border-top: 1px solid #E2E8F0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        padding: 0.5rem 0;
    }

    .mobile-menu-btn {
        display: block;
        padding: 0.5rem;
    }

    /* Layout */
    .grid-2,
    .grid-3,
    .grid-4 {
        display: grid;
        grid-template-columns: 1fr;
    }

    /* Fix for Hero section which uses both grid-2 and flex-center */
    .hero .container {
        display: flex;
        flex-direction: column;
    }

    .hero-image {
        margin-top: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-brand p {
        margin: var(--spacing-sm) auto;
    }

    .flex {
        flex-direction: column;
    }

    .flex-between {
        flex-direction: row;
        /* Keep nav items row */
    }

    /* Adjustments for specific elements */
    .hero-btns {
        flex-direction: column;
        width: 100%;
    }

    .hero-btns .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --h1-size: 2rem;
        --h2-size: 1.75rem;
    }
}

/* Cookie Consent Popup */
.cookie-consent {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    max-width: 350px;
    display: none;
    border: 1px solid #E2E8F0;
    animation: slideIn 0.5s ease-out;
}

.cookie-consent.show {
    display: block;
}

.cookie-consent h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.cookie-consent p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.cookie-consent-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

@keyframes slideIn {
    from {
        transform: translateY(100%);
        opacity: 0;
    }

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