/* ==========================================================================
   1. CSS Variables & Global Reset (Light Theme)
   ========================================================================== */
:root {
    --bg-color: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #475569;
    --accent-color: #2563eb;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --nav-footer-bg: #0f111a;
    --nav-footer-text: #e2e8f0;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-speed: 0.3s;
}

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

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

/* ==========================================================================
   2. Navigation Bar (Desktop & Mobile)
   ========================================================================== */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: var(--nav-footer-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.brand-container {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: transform var(--transition-speed) ease;
}

.brand-container:hover .nav-logo {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-speed) ease;
}

.nav-links a:hover, 
.nav-links a.active {
    color: #38bdf8; /* Keep a bright blue for dark navbar links */
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid #334155;
}

.lang-switcher a {
    color: #94a3b8;
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

.lang-switcher a:hover {
    color: var(--nav-footer-text);
}

.lang-active {
    color: var(--nav-footer-text) !important;
    font-weight: bold;
}

.lang-divider {
    color: #334155;
    margin: 0 8px;
}

/* Hamburger Menu Icon */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--nav-footer-text);
    transition: all var(--transition-speed) ease;
}

/* ==========================================================================
   3. Global Components & Layouts
   ========================================================================== */
.content-section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 5%;
}

.content-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.content-section p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.content-section ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.content-section li {
    margin-bottom: 0.75rem;
}

/* ==========================================================================
   4. Home Page Specifics
   ========================================================================== */
.home-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 6rem 5% 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.home-hero-content {
    flex: 1.5;
}

.home-hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.profile-pic {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid var(--card-bg);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
    color: var(--text-main);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 2x2 Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto 4rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    border-color: var(--accent-color);
}

.card-image {
    width: 100%;
    height: 240px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.card-desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card-link {
    display: inline-block;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
    border: 2px solid var(--text-main);
    padding: 10px 24px;
    border-radius: 30px;
    align-self: flex-start;
    transition: all var(--transition-speed) ease;
}

.card-link:hover {
    background: var(--text-main);
    color: var(--card-bg);
}

/* ==========================================================================
   5. About Page Specifics
   ========================================================================== */
.about-hero {
    display: flex;
    align-items: center;
    gap: 4rem;
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.about-image {
    flex: 1;
    min-width: 300px;
}

.about-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 15px 15px 0 var(--border-color);
    border: 4px solid var(--card-bg);
    object-fit: cover;
}

.about-text {
    flex: 1.5;
    min-width: 300px;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.philosophy-card {
    background: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    transition: transform var(--transition-speed) ease;
}

.philosophy-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.philosophy-card h3 {
    color: var(--text-main);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.lang-item {
    margin-bottom: 1.5rem;
}

.lang-item:last-child {
    margin-bottom: 0;
}

.lang-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.lang-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--bg-color);
    border-radius: 4px;
    overflow: hidden;
}

.lang-bar-fill {
    height: 100%;
    background: var(--accent-color);
    border-radius: 4px;
}

.personal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.personal-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.personal-icon {
    font-size: 1.5rem;
    line-height: 1;
}

/* ==========================================================================
   6. Case Studies Specifics
   ========================================================================== */
.hero {
    padding: 6rem 5% 4rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero-label {
    color: var(--accent-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: block;
    font-weight: 700;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}

.project-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 0 auto 3rem;
    max-width: 1200px;
    padding: 0 5%;
}

.meta-box {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.meta-title {
    font-size: 0.875rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.meta-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.deliverables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.deliverable-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-color);
    transition: transform 0.3s ease;
}

.deliverable-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.deliverable-title {
    color: var(--text-main);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.deliverable-subtitle {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: block;
    font-weight: 600;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.mission-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
    text-align: center;
}

.mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--accent-color);
}

.badge-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.mission-title {
    color: var(--text-main);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.asset-link-container {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.asset-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-color);
    color: var(--accent-color);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.asset-link:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.testimonial-block {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 12px;
    margin: 4rem 0;
    font-style: italic;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.testimonial-author {
    display: block;
    margin-top: 1.5rem;
    font-style: normal;
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.launch-link {
    display: inline-block;
    background: var(--accent-color);
    color: #fff !important;
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.3s ease, transform 0.3s ease;
    margin-bottom: 1rem;
}

.launch-link:hover {
    background: #1e3a8a;
    transform: scale(1.02);
}

.iframe-container {
    width: 100%;
    height: 600px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    margin: 1.5rem 0 3rem;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin: 3rem 0;
    background: #000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

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

.content-image-wrapper {
    margin: 3rem 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    background: var(--card-bg);
}

.content-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    padding: 1rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    background: var(--bg-color);
}

.case-study-banner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto 4rem;
    padding: 0 5%;
}

.case-study-banner img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    object-fit: cover;
    max-height: 500px;
}

/* ==========================================================================
   7. Professional Footer (Reduced Height)
   ========================================================================== */
.site-footer {
    background-color: var(--nav-footer-bg);
    padding: 2.5rem 5%;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.footer-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--nav-footer-text);
    letter-spacing: -0.5px;
}

.footer-availability {
    color: #94a3b8;
    font-size: 0.95rem;
    max-width: 600px;
    line-height: 1.6;
}

.footer-availability strong {
    color: var(--nav-footer-text);
    font-weight: 500;
}

.footer-copyright {
    color: #334155;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* ==========================================================================
   8. Responsive Media Queries
   ========================================================================== */
@media (max-width: 768px) {
    .hamburger { display: flex; }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(15, 17, 26, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
        border-bottom: 1px solid #334155;
        clip-path: circle(0% at top center);
        transition: clip-path 0.4s ease-in-out;
    }

    .nav-links.nav-active { clip-path: circle(150% at top center); }

    .lang-switcher {
        border-left: none;
        padding-left: 0;
        margin-left: 0;
        margin-top: 1rem;
        border-top: 1px solid #334155;
        padding-top: 1rem;
        width: 100%;
        justify-content: center;
    }

    .hamburger.toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
    .hamburger.toggle .line2 { opacity: 0; }
    .hamburger.toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }

    .home-hero, .about-hero {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 2rem;
    }
    
    .about-hero { flex-direction: column; }
    
    .hero-title { font-size: 2.8rem; }
    
    .project-grid { grid-template-columns: 1fr; }
    
    .footer-content {
        align-items: flex-start;
        text-align: left;
    }
}