/* Design System & Variables */
:root {
    /* Colors - Premium "Trustworthy Slate" Palette */
    --bg-body: #0f172a;
    /* Slate 900 - Deep Navy */
    --bg-surface: #1e293b;
    /* Slate 800 */
    --bg-card: rgba(30, 41, 59, 0.7);
    /* Glassy Slate */
    --bg-card-hover: rgba(51, 65, 85, 0.8);
    /* Slate 700 */

    --text-primary: #f8fafc;
    /* Slate 50 */
    --text-secondary: #94a3b8;
    /* Slate 400 */
    --text-muted: #64748b;
    /* Slate 500 */

    --accent-primary: #ffffff;
    --accent-secondary: #3b82f6;
    /* Trust Blue */
    --accent-glow: rgba(59, 130, 246, 0.5);

    --border-subtle: rgba(148, 163, 184, 0.1);
    --border-highlight: rgba(148, 163, 184, 0.2);

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2.5rem;
    --spacing-lg: 5rem;
    --spacing-xl: 10rem;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
    /* Custom focus styles preferred */
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-body);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(147, 51, 234, 0.05), transparent 25%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.7;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    font-family: inherit;
}

/* Typography Utilities */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-primary);
    line-height: 1.2;
    font-weight: 600;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

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

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

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

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-full, 999px);
    /* Pill shape is often more premium */
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    letter-spacing: -0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-secondary), #6366f1);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.23);
    filter: brightness(1.1);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) 0;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

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

.nav-links a {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.25rem 0;
    /* Slightly taller */
    background-color: rgba(15, 23, 42, 0.7);
    /* Slate 900 transparent */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-subtle);
    transition: padding var(--transition-fast);
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.95;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 1;
}

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

.nav-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* Hero Section */
.hero {
    padding-top: calc(var(--spacing-xl) + 80px);
    /* More breathing room */
    padding-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    /* Removed old radial gradient in favor of body mesh */
}

/* Hero Glow Spot */
.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    text-align: center;
    /* Subtle gradient text */
    background: linear-gradient(135deg, #fff 30%, #94a3b8 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.hero p.tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
}

/* Grid Layouts */
.grid {
    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);
}

/* Feature Cards */
.feature-card {
    background-color: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    background-color: var(--bg-card-hover);
    transform: translateY(-4px);
    border-color: var(--border-highlight);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
}

.feature-card h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.15rem;
    color: var(--text-primary);
}

/* Privacy Section */
.privacy-grid {
    margin-top: var(--spacing-md);
    text-align: center;
    /* Ensure centered text alignment */
}

.privacy-item {
    background-color: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md) var(--spacing-sm);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.privacy-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border-subtle);
}

.privacy-item h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Steps / How It Works */
.step-card {
    position: relative;
    padding: var(--spacing-md);
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px rgba(148, 163, 184, 0.2);
    margin-bottom: -1rem;
    position: relative;
    z-index: -1;
    font-family: var(--font-main);
}

/* Screenshots Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    /* Slightly wider */
    gap: var(--spacing-md);
}

.screenshot-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    background-color: var(--bg-card);
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.screenshot-item:hover {
    border-color: var(--accent-secondary);
    transform: scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.screenshot-placeholder {
    width: 100%;
    height: 250px;
    background-color: #2a2a2a;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.screenshot-caption {
    padding: var(--spacing-sm);
}

.screenshot-caption h4 {
    color: var(--text-primary);
    font-size: 1rem;
}

/* Video Embed */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    background-color: var(--bg-card);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-subtle);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xl);
    background-color: var(--bg-body);
    position: relative;
    overflow: hidden;
}

/* Subtle glow at footer top */
footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-desc {
    max-width: 300px;
    line-height: 1.6;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-col h4 {
    color: var(--text-secondary);
    /* Muted header color */
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--text-primary);
    transform: translateX(2px);
    /* Subtle nudge */
}

/* Email Button */
.email-btn {
    display: inline-flex !important;
    align-items: center;
    background-color: rgba(30, 41, 59, 0.5);
    /* Dark slate bg */
    border: 1px solid var(--border-subtle);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--accent-secondary) !important;
    /* Blue text */
    font-weight: 500;
    margin-top: 0.5rem;
    transition: all var(--transition-fast);
}

.email-btn:hover {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-secondary);
    transform: translateX(0) !important;
}

/* Footer Bottom Bar */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    opacity: 0.7;
}

.footer-badges .dot {
    color: var(--border-subtle);
}

/* Responsive Footer */
@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Admin Deletion Buttons */
.remove-slot-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.remove-slot-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.remove-slot-btn:active {
    transform: translateY(0);
}

/* File Status Micro-Interactions */
.file-status img {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s;
}

.file-status img:hover {
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 768px) {
    .admin-modal {
        width: 95%;
        padding: 1.5rem;
    }

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

    .hero h1 {
        font-size: 2.5rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .nav-links {
        display: none;
    }

    /* Simplified for now */
}

/* Technical Partner Section */
.partner-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: var(--spacing-lg) 0;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-subtle);
}

.partner-title {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 1rem;
}

.partner-card {
    display: flex;
    align-items: center;
    background-color: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-subtle);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-smooth);
    gap: 1rem;
}

.partner-card:hover {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
}

.dps-logo {
    background-color: #fff;
    color: #000;
    font-weight: 800;
    font-size: 0.9rem;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    letter-spacing: -0.05em;
}

.partner-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.external-icon {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.partner-card:hover .external-icon {
    color: var(--accent-secondary);
}

.partner-desc {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 400px;
}

/* Admin Modal Styles */
.admin-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.admin-modal {
    background: var(--bg-surface);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-md);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s ease-out;
}

.admin-dashboard-modal {
    max-width: 800px;
    /* Wider for dashboard */
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 1rem;
}

/* Login Modal Specifics */
#admin-login-modal {
    text-align: center;
    max-width: 360px;
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

#admin-login-modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

#admin-login-modal .form-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

#admin-login-modal input {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.1);
    transition: all 0.3s ease;
}

#admin-login-modal input:focus {
    background: rgba(15, 23, 42, 0.9);
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

#admin-login-modal .btn-primary {
    width: 100%;
    margin-top: 1rem;
    font-size: 1rem;
    padding: 1rem;
}

/* Close Button Position Adjustment */
.close-modal {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all 0.2s;
}

.close-modal:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.dashboard-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.section-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 1rem;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 0.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    /* Ensure full width */
}

/* Fix for squeezed inputs in grid */
.form-grid .form-group {
    min-width: 0;
    /* Prevent flex items from overflowing */
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    width: 100%;
    /* Force inputs to fill container */
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-secondary);
    background: rgba(15, 23, 42, 0.9);
}

.file-status {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    word-break: break-all;
    /* Handle long filenames gracefully */
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

/* Mobile Adjustments */
@media (max-width: 640px) {
    .form-grid {
        grid-template-columns: 1fr;
        /* Stack on mobile */
    }

    .admin-dashboard-modal {
        padding: 1.5rem;
    }
}