@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

:root {
    /* Colors */
    --primary-color: #0D1B2A;
    --secondary-color: #E0E1DD;
    --accent-color: #415A77;
    --text-color-dark: #E0E1DD;
    --text-color-light: #0D1B2A;
    --bg-color: #0D1B2A;
    --section-bg-1: #1B263B;
    --section-bg-2: #778DA9;
    --section-bg-3: #0D1B2A;
    --section-bg-4: #415A77;
    --section-bg-5: #E0E1DD;
    --button-color: #415A77;
    --footer-bg-color: #0D1B2A;

    /* Typography */
    --heading-font: 'Poppins', sans-serif;
    --body-font: 'Inter', sans-serif;
    --base-font-size: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;

    /* Border Radius */
    --border-radius-base: 8px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.25); /* Adjusted for 'xl' intensity */
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-duration: 0.3s;
    --transition-timing-function: ease-in-out;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: var(--base-font-size);
    line-height: var(--line-height-base);
    color: var(--text-color-dark);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    color: var(--text-color-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.05em;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
}

h3 {
    font-size: 1.8rem;
    font-weight: 600;
}

h4 {
    font-size: 1.4rem;
    font-weight: 500;
}

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

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-duration) var(--transition-timing-function);
}

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

ul, ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

/* Layout & Structure */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

section:nth-of-type(odd) {
    background-color: var(--section-bg-1);
}

section:nth-of-type(even) {
    background-color: var(--section-bg-3);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(13, 27, 42, 0.9); /* Subtle transparency */
    backdrop-filter: blur(10px); /* Glassmorphism effect */
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-duration) var(--transition-timing-function);
}

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

.header-logo {
    font-family: var(--heading-font);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: -0.02em;
}

.header-logo:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.nav-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--text-color-dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    position: relative;
    transition: color var(--transition-duration) var(--transition-timing-function);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-duration) var(--transition-timing-function), left var(--transition-duration) var(--transition-timing-function);
}

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

.nav-menu a:hover::after {
    width: 100%;
    left: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-base);
    font-family: var(--heading-font);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-duration) var(--transition-timing-function);
    text-decoration: none;
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background-color: var(--button-color);
    color: var(--text-color-dark);
}

.btn-primary:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

.btn-secondary:hover {
    background-color: var(--accent-color);
    color: var(--text-color-dark);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* Cards & Glassmorphism Elements */
.card, .glass-card {
    background-color: rgba(255, 255, 255, 0.05); /* Lighter for visibility against dark bg */
    border-radius: var(--border-radius-base);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    transition: transform var(--transition-duration) var(--transition-timing-function);
}

.card:hover, .glass-card:hover {
    transform: translateY(-5px);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-color-dark);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-base);
    background-color: rgba(255, 255, 255, 0.08); /* Slightly transparent background */
    color: var(--text-color-dark);
    font-family: var(--body-font);
    font-size: var(--base-font-size);
    box-shadow: var(--shadow-inset);
    transition: border-color var(--transition-duration) var(--transition-timing-function), background-color var(--transition-duration) var(--transition-timing-function);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(65, 90, 119, 0.3);
}

/* Footer */
.footer {
    background-color: var(--footer-bg-color);
    color: var(--text-color-dark);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.footer-nav a {
    color: var(--text-color-dark);
    font-weight: 400;
}

.footer-nav a:hover {
    color: var(--accent-color);
}

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

.social-icons a {
    color: var(--text-color-dark);
    font-size: 1.5rem;
    transition: color var(--transition-duration) var(--transition-timing-function), transform var(--transition-duration) var(--transition-timing-function);
}

.social-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-3px) scale(1.1);
}

/* Alpine.js specific styles */
[x-cloak] {
    display: none !important;
}

.fade-in-transition {
    transition: opacity var(--transition-duration) var(--transition-timing-function);
}

.fade-in-transition[x-transition:enter] {
    opacity: 0;
}

.fade-in-transition[x-transition:enter-start] {
    opacity: 0;
}

.fade-in-transition[x-transition:enter-end] {
    opacity: 1;
}

.fade-in-transition[x-transition:leave] {
    opacity: 1;
}

.fade-in-transition[x-transition:leave-start] {
    opacity: 1;
}

.fade-in-transition[x-transition:leave-end] {
    opacity: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .header .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-menu ul {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: center;
    }

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

    .footer .container {
        flex-direction: column;
    }

    .footer-nav ul {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

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

    h2 {
        font-size: 1.5rem;
    }

    .btn {
        width: 100%;
        padding: var(--spacing-sm);
    }
}

/* Utility Classes (to complement Tailwind, or for standalone use) */
.text-center {
    text-align: center;
}

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

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

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }

.flex { display: flex; }
.justify-center { justify-content: center; }
.items-center { align-items: center; }
.flex-col { flex-direction: column; }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.relative { position: relative; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }

.hidden { display: none !important; }

/* Visual Elements - Tech-inspired accents */
.tech-gradient-text {
    background: linear-gradient(45deg, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-section {
    position: relative;
    padding-top: calc(var(--spacing-xl) * 2);
    padding-bottom: calc(var(--spacing-xl) * 2);
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a304e 100%);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-overlay-glass {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    height: 90%;
    background-color: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius-base);
    border: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 5;
    pointer-events: none;
}

/* Abstract tech background elements (conceptual, would be SVGs or pseudo-elements) */
.hero-section::before,
.hero-section::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    pointer-events: none;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
}

.hero-section::before {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 5%;
    animation: float1 15s infinite ease-in-out;
}

.hero-section::after {
    width: 400px;
    height: 400px;
    bottom: 15%;
    right: 10%;
    background: radial-gradient(circle, var(--secondary-color) 0%, transparent 70%);
    animation: float2 18s infinite ease-in-out reverse;
}

@keyframes float1 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-20px, 20px) scale(1.05); }
    100% { transform: translate(0, 0) scale(1); }
}

@keyframes float2 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(25px, -15px) scale(0.95); }
    100% { transform: translate(0, 0) scale(1); }
}

/* Specific section background colors */
.section-bg-1 { background-color: var(--section-bg-1); }
.section-bg-2 { background-color: var(--section-bg-2); color: var(--text-color-light); }
.section-bg-3 { background-color: var(--section-bg-3); }
.section-bg-4 { background-color: var(--section-bg-4); color: var(--text-color-light); }
.section-bg-5 { background-color: var(--section-bg-5); color: var(--text-color-light); }

/* Ensure text color adapts to section backgrounds */
.section-bg-2 h1, .section-bg-2 h2, .section-bg-2 h3, .section-bg-2 h4, .section-bg-2 p, .section-bg-2 a {
    color: var(--text-color-light);
}
.section-bg-4 h1, .section-bg-4 h2, .section-bg-4 h3, .section-bg-4 h4, .section-bg-4 p, .section-bg-4 a {
    color: var(--text-color-light);
}
.section-bg-5 h1, .section-bg-5 h2, .section-bg-5 h3, .section-bg-5 h4, .section-bg-5 p, .section-bg-5 a {
    color: var(--text-color-light);
}
.section-bg-5 .btn-primary {
    background-color: var(--primary-color);
    color: var(--text-color-dark);
}
.section-bg-5 .btn-primary:hover {
    background-color: var(--accent-color);
}
.section-bg-5 .btn-secondary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}
.section-bg-5 .btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-color-dark);
}

/* Accessibility Focus States */
*:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: var(--border-radius-base);
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}