/* styles.css */
:root {
    /* Marwil Rubeus Re-aligned Brand Color Palette (Vibrant Blue & Sky Blue) */
    --deep-blue: #0D47A1;
    --sky-blue: #00B0FF;
    --deep-blue-dark: #002171;
    --charcoal: #2D2D2D;
    --slate: #4A6572;
    --cream: #F8F9FA;
    --cream-light: #FFFFFF;
    --bg-color: #FFFFFF;
    --text-color: #2D2D2D;
    --card-bg: #F8F9FA;
    --nav-bg: rgba(255, 255, 255, 0.95);
    
    /* Typography */
    --font-serif: 'Merriweather', 'Georgia', serif;
    --font-sans: 'Roboto', system-ui, -apple-system, sans-serif;
    
    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
}

[data-theme="dark"] {
    --deep-blue: #2979FF;
    --sky-blue: #40C4FF;
    --deep-blue-dark: #0D47A1;
    --charcoal: #E0E0E0;
    --slate: #B0BEC5;
    --cream: #121212;
    --cream-light: #1E1E1E;
    --bg-color: #121212;
    --text-color: #E0E0E0;
    --card-bg: #1E1E1E;
    --nav-bg: rgba(18, 18, 18, 0.95);
}

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background-color: var(--nav-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    transition: background-color 0.3s;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.logo-text-img {
    height: 30px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--deep-blue);
    text-decoration: none;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-btn {
    background: none;
    border: 1px solid var(--deep-blue);
    color: var(--deep-blue);
    padding: 5px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.8rem;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

.toggle-btn:hover {
    background: var(--deep-blue);
    color: #fff;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--sky-blue);
}

[data-theme="dark"] .logo-img,
[data-theme="dark"] .logo-text-img {
    filter: invert(1) brightness(1.5);
}

.cta-button {
    background-color: var(--deep-blue);
    color: #fff !important;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: var(--sky-blue);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: calc(var(--spacing-xl) * 2) 0;
    position: relative;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: #fff;
    transition: background-image 1s ease-in-out;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: #fff;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: #e0e0e0;
    margin-bottom: var(--spacing-lg);
}

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

.primary-cta {
    background-color: var(--sky-blue);
    color: #fff;
    padding: 0.75rem 2rem;
    border-radius: 4px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
}

.primary-cta:hover {
    background-color: var(--deep-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 176, 255, 0.4);
}

.secondary-cta {
    background-color: transparent;
    color: #fff;
    padding: 0.75rem 2rem;
    border: 2px solid #fff;
    border-radius: 4px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.secondary-cta:hover {
    background-color: #fff;
    color: var(--charcoal);
}

/* Global Secondary CTA used outside Hero */
.problem-section .secondary-cta,
.admin-container .secondary-cta,
.contact-section .secondary-cta {
    color: var(--deep-blue) !important;
    border-color: var(--deep-blue) !important;
}

.problem-section .secondary-cta:hover,
.admin-container .secondary-cta:hover,
.contact-section .secondary-cta:hover {
    background-color: var(--deep-blue) !important;
    color: #fff !important;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: var(--spacing-md);
    margin-top: 2rem;
}

.divider {
    width: 80px;
    height: 4px;
    background-color: var(--sky-blue);
    margin: 0 auto;
}

/* Problem Section */
.problem-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-color);
}

.problem-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.problem-card {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--sky-blue);
    color: var(--text-color);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 176, 255, 0.1);
}

.problem-card .card-icon {
    width: 60px;
    height: 60px;
    background-color: var(--deep-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: #fff;
}

.problem-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--deep-blue);
}

.problem-card p {
    color: var(--slate);
}

/* Solution Section */
.solution-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--card-bg);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.solution-text h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--deep-blue);
}

.solution-text p {
    margin-bottom: var(--spacing-md);
    color: var(--slate);
}

.solution-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--sky-blue) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    text-align: center;
    padding: 2rem;
}

.placeholder-text {
    font-family: var(--font-serif);
    font-weight: 500;
}

/* How It Works Section */
.how-it-works-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-color);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.step {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--card-bg);
    border-radius: 8px;
    transition: transform 0.3s ease;
    color: var(--text-color);
}

.step:hover {
    transform: translateY(-5px);
}

.step .step-number {
    width: 60px;
    height: 60px;
    background-color: var(--sky-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
}

.step h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--deep-blue);
}

.step p {
    color: var(--slate);
}

/* Benefits Section */
.benefits-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--card-bg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    background-color: var(--bg-color);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    color: var(--text-color);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 176, 255, 0.1);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background-color: var(--deep-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: #fff;
}

.benefit-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-align: center;
    color: var(--deep-blue);
}

.benefit-card p {
    color: var(--slate);
    text-align: center;
}

/* Scrollable Table Styles */
.project-list-container {
    margin-top: 1rem;
    border: 1px solid var(--slate);
    border-radius: 8px;
    background-color: var(--bg-color);
}

.project-list-header {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr 0.8fr 1fr;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 2px solid var(--deep-blue);
    font-weight: 700;
    color: var(--text-color);
    background-color: var(--card-bg);
    position: sticky;
    top: 0;
    z-index: 10;
}

#full-project-list {
    max-height: 350px;
    overflow-y: auto;
}

.project-list-item {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr 0.8fr 1fr;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--slate);
    align-items: center;
    transition: background-color 0.3s;
}

.project-list-item {
    cursor: pointer;
}

.project-list-item:hover {
    background-color: var(--card-bg);
}

/* Stats strip */
.stats-strip {
    background: var(--deep-blue-dark);
    padding: 3rem 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}
.stat-number {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--sky-blue);
    font-family: var(--font-serif);
}
.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.75);
    margin-top: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Clients section */
.clients-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    margin-top: 2rem;
}
.client-badge {
    padding: 0.55rem 1.1rem;
    border: 1px solid var(--sky-blue);
    border-radius: 4px;
    font-size: 0.82rem;
    color: var(--text-color);
    background: var(--card-bg);
    font-weight: 500;
}

/* Featured cards grid — limit width so a single card doesn't stretch full-page */
#featured-projects-container,
#projects-container {
    grid-template-columns: repeat(auto-fill, minmax(280px, 380px));
    justify-content: center;
}

#featured-projects-container,
#projects-container {
    transition: opacity 0.4s ease;
}

/* Projects Grid & Cards Enhancement */
.project-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    text-decoration: none;
    color: var(--text-color);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 176, 255, 0.2);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: var(--card-bg);
}

.project-status-badge {
    padding: 4px 8px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
}

.status-finished { background-color: #1B5E20; }
.status-ongoing { background-color: var(--sky-blue); }
.status-future { background-color: var(--slate); }

.project-info {
    padding: 1.5rem;
    flex-grow: 1;
}

.project-info h3 {
    font-family: var(--font-serif);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    color: var(--deep-blue);
}

.project-category {
    font-size: 0.9rem;
    color: var(--sky-blue);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-info p {
    font-size: 0.95rem;
    color: var(--slate);
    line-height: 1.5;
}

/* Admin Dashboard Styling */
.admin-container {
    max-width: 1000px;
    margin: 100px auto;
    padding: var(--spacing-lg);
    background-color: var(--bg-color);
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    color: var(--text-color);
}

.admin-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 8px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group input, .form-group select, .form-group textarea {
    padding: 0.8rem;
    border: 1px solid var(--slate);
    background-color: var(--bg-color);
    color: var(--text-color);
    border-radius: 4px;
    font-family: var(--font-sans);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th, .admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--slate);
}

.action-btn {
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    border: none;
    font-weight: 700;
    margin-right: 5px;
}

.edit-btn { background-color: var(--sky-blue); color: #fff; }
.delete-btn { background-color: #f44336; color: #fff; }

.contact-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--card-bg);
    text-align: center;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1100px;
    margin: 0 auto;
    text-align: left;
}

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

.contact-info h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--deep-blue);
}

.contact-info p {
    margin-bottom: var(--spacing-lg);
    color: var(--slate);
}

.contact-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: 2rem;
}

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

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--sky-blue);
}

.contact-item span {
    font-size: 1.1rem;
    color: var(--text-color);
}

/* Contact form panel */
.contact-form-panel {
    background: var(--bg-color);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.07);
}

.contact-form-panel .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.2rem;
}

.contact-form-panel .form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--deep-blue);
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
}

.cf-label-optional {
    font-weight: 400;
    font-size: 0.78rem;
    color: var(--slate);
}

.contact-form-panel .form-group input,
.contact-form-panel .form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid #c5d0d8;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 1rem;
    background: var(--bg-color);
    color: var(--text-color);
    transition: border-color 0.2s;
    resize: vertical;
}

.contact-form-panel .form-group input:focus,
.contact-form-panel .form-group textarea:focus {
    outline: none;
    border-color: var(--sky-blue);
}

.contact-form-panel .form-group input.cf-invalid,
.contact-form-panel .form-group textarea.cf-invalid {
    border-color: #c62828;
    background: #fff8f8;
}

/* Type toggle — pill-style radio buttons */
.cf-type-toggle {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.cf-type-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem;
    border: 2px solid #c5d0d8;
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--slate);
    transition: border-color 0.2s, background 0.2s, color 0.2s;
    user-select: none;
}

.cf-type-option input[type="radio"] {
    /* hidden but still in tab order */
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.cf-type-option:has(input:checked) {
    border-color: var(--deep-blue);
    background: var(--deep-blue);
    color: #fff;
}

.cf-type-option:hover {
    border-color: var(--sky-blue);
    color: var(--deep-blue);
}

.cf-type-option:has(input:checked):hover {
    border-color: var(--deep-blue);
    color: #fff;
}

/* Hint text under CNP/CUI */
.cf-field-hint {
    font-size: 0.8rem;
    color: var(--slate);
    margin-top: -0.1rem;
}

.cf-field-hint.cf-hint--err {
    color: #c62828;
    font-weight: 500;
}

.cf-submit {
    width: 100%;
    text-align: center;
    margin-top: 0.5rem;
    cursor: pointer;
    border: none;
}

.cf-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.cf-status {
    margin-top: 1rem;
    font-size: 0.95rem;
    min-height: 1.4em;
    border-radius: 6px;
    padding: 0;
    transition: all 0.2s;
}

.cf-status--ok {
    color: #1a6e2e;
    background: #e6f4ea;
    padding: 0.75rem 1rem;
}

.cf-status--err {
    color: #b71c1c;
    background: #fdecea;
    padding: 0.75rem 1rem;
}

/* Contact section responsive */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
    .contact-info {
        text-align: center;
    }
    .contact-details {
        align-items: center;
    }
}

/* Footer */
.footer {
    background-color: var(--deep-blue-dark);
    color: #fff;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    height: 80px; 
    width: auto; 
    margin-bottom: 1rem;
    filter: invert(1) brightness(1.5);
}

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

.footer-column h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--sky-blue);
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--sky-blue);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1.25rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--spacing-lg);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    transition: background 0.3s, transform 0.3s;
}

.social-icon:hover {
    background: var(--sky-blue);
    transform: translateY(-3px);
}

.social-icon svg {
    width: 20px;
    height: 20px;
    fill: #fff;
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.9rem;
}

.admin-link-secret {
    color: var(--deep-blue-dark) !important;
    text-decoration: none !important;
    cursor: default;
}

.admin-link-secret:hover {
    color: var(--deep-blue-dark) !important;
}

/* GDPR Bubble Styles */
#gdpr-bubble {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(15px);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    max-width: 350px;
    z-index: 2000;
    border: 1px solid var(--sky-blue);
    opacity: 0;
    transform: translateY(calc(100% + 40px));
    pointer-events: none;
    transition: opacity 0.5s ease, transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

[data-theme="dark"] #gdpr-bubble {
    background-color: rgba(30, 30, 30, 0.7);
}

#gdpr-bubble.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.gdpr-content h4, 
.gdpr-content p {
    margin-bottom: 0.5rem;
    color: #fff !important; /* Force white for CCTV effect */
    text-shadow: 
        -1px -1px 0 #000,  
         1px -1px 0 #000,
        -1px  1px 0 #000,
         1px  1px 0 #000,
         0px 0px 5px rgba(0,0,0,0.8); /* CCTV-style high contrast stroke */
    line-height: 1.4;
}

.gdpr-content p {
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.gdpr-actions {
    display: flex;
    justify-content: flex-end;
}

.gdpr-btn {
    background-color: var(--deep-blue);
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    transition: background 0.3s;
}

.gdpr-btn:hover {
    background-color: var(--sky-blue);
}

/* --- Hamburger Menu Button --- */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--deep-blue);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.mobile-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.5rem; }
    .solution-content { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    /* Navigation: hamburger */
    .mobile-menu-btn { display: flex; }
    .navbar .container { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
    .nav-links {
        display: none;
        position: fixed;
        top: 63px;
        left: 0; right: 0;
        background: var(--nav-bg);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1.5rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        z-index: 999;
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(0, 0, 0, 0.08);
    }
    .nav-links.open { display: flex; }
    [data-theme="dark"] .nav-links { border-top-color: rgba(255, 255, 255, 0.08); }

    /* Hero */
    .hero { text-align: center; background-attachment: scroll; }
    .hero-content { margin: 0 auto; }

    /* Grids */
    .steps-container, .benefits-grid, .testimonials-grid { grid-template-columns: 1fr; }
    .problem-content { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; }

    /* CTA Buttons */
    .cta-buttons { flex-direction: column; align-items: stretch; }
    .primary-cta, .secondary-cta { width: 100%; text-align: center; }

    /* Stats strip */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

    /* Project list */
    .project-list-header { display: none; }
    .project-list-item { grid-template-columns: 1fr; border: 1px solid var(--slate); border-radius: 8px; margin-bottom: 1rem; }

    /* Admin form & table */
    .admin-form { grid-template-columns: 1fr !important; padding: 1rem; }
    .admin-form > * { grid-column: 1 !important; }
    .admin-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }

    /* GDPR bubble */
    #gdpr-bubble { right: 10px; left: 10px; max-width: none; }

    /* iOS: prevent auto-zoom on input focus */
    input, select, textarea { font-size: 16px !important; }

    /* Banner slots */
    .banner-slot { width: calc(50% - 6px); min-height: 80px; }
}

@media (max-width: 576px) {
    .hero h1 { font-size: 2rem; }
    .hero .subtitle { font-size: 1.1rem; }
    .section-header h2 { font-size: 1.8rem; }
    .footer-links { grid-template-columns: 1fr; }
    .banner-slot { width: 100%; }
}