/* ==========================================================================
   1. ARCHITECTURE VARIABLES & CUSTOM CORE TOKEN (FIXED EMULATOR)
   ========================================================================== */
html, html[data-theme="light"] {
    /* --- LIGHT THEME STATE (Token Dasar) --- */
    --bg-color: #FAFAFB;
    --bg-secondary: #F1F3F5;
    --text-primary: #0F141C;
    --text-secondary: #4A5464;
    --text-muted: #8792A2;
    
    --accent-blue: #0055FF;
    --accent-emerald: #00B874;
    --accent-indigo: #6366F1;

    /* Light Glassmorphic Specs */
    --glass-bg: rgba(255, 255, 255, 0.78);
    --glass-border: rgba(15, 20, 28, 0.06);
    --glass-shadow: 0 16px 36px rgba(15, 20, 28, 0.02), 0 2px 10px rgba(15, 20, 28, 0.01);
    
    --mockup-shell-bg: #0B0F17;
    --card-inner-bg: #FFFFFF;
    
    --transition-spring: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html[data-theme="dark"] {
    /* --- LUXURY HIGH-CONTRAST DARK THEME STATE --- */
    --bg-color: #0B0F19;         /* Obsidian Dark Core */
    --bg-secondary: #111827;    /* Deep Structural Layer */
    --text-primary: #F3F4F6;     /* Clean Premium White */
    --text-secondary: #9CA3AF;   /* Sophisticated Gray Subtext */
    --text-muted: #6B7280;       /* Lower Level Code Metadata */
    
    --accent-blue: #3B82F6;      /* High Visibility Cyber Blue */
    --accent-emerald: #10B981;   /* System Online Success */
    --accent-indigo: #818CF8;    /* Relational Schema Focus */

    /* Dark Glassmorphism Specs */
    --glass-bg: rgba(17, 24, 39, 0.75);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-shadow: 0 20px 48px rgba(0, 0, 0, 0.4), 0 2px 12px rgba(0, 0, 0, 0.2);
    
    --mockup-shell-bg: #05070B;
    --card-inner-bg: #111827;
}

/* ==========================================================================
   2. GLOBAL BASE RESET
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.5s ease, color 0.5s ease;
}

body {
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ==========================================================================
   3. FLOATING GLASS NAVBAR & THEME CONTROLLER
   ========================================================================== */
.navbar-container {
    position: fixed;
    top: 24px;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 24px;
    pointer-events: none;
}

.navbar {
    max-width: 1080px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    padding: 10px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--glass-shadow);
    position: relative;
    pointer-events: auto;
    transition: var(--transition-spring), background-color 0.5s ease, border-color 0.5s ease;
}

.navbar:hover {
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow);
}

.nav-logo a {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.nav-logo span {
    font-family: 'Instrument Serif', serif;
    font-style: italic;
    font-weight: 400;
    color: var(--accent-blue);
    margin-left: 2px;
}

.nav-pill-bg {
    position: absolute;
    height: 38px;
    background: var(--accent-blue);
    border-radius: 20px;
    z-index: 1;
    pointer-events: none;
    transition: left 0.38s cubic-bezier(0.2, 1, 0.2, 1), width 0.38s cubic-bezier(0.2, 1, 0.2, 1), opacity 0.3s ease;
    opacity: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
    z-index: 2;
}

.nav-link {
    font-size: 0.88rem;
    font-weight: 500;
    padding: 6px 16px;
    color: var(--text-secondary);
    border-radius: 20px;
    transition: color 0.3s ease, transform 0.3s ease;
    display: block;
}

.nav-link:hover {
    color: var(--text-primary);
    transform: translateY(-1px);
}

.nav-link.active {
    color: #FFFFFF !important;
}

.nav-right-container {
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 2;
}

.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
    background: var(--bg-secondary);
    transform: scale(1.05);
}

.theme-toggle-btn .sun-icon { display: block; }
.theme-toggle-btn .moon-icon { display: none; }

html[data-theme="dark"] .theme-toggle-btn .sun-icon { display: none; }
html[data-theme="dark"] .theme-toggle-btn .moon-icon { display: block; color: #FBBF24; }

.nav-cta {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 10px 20px;
    background: var(--text-primary);
    color: var(--bg-color);
    border-radius: 20px;
    border: 1px solid var(--text-primary);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.nav-cta:hover {
    background: transparent;
    color: var(--text-primary);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 20px;
    height: 14px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ==========================================================================
   4. CORE HERO COMPOSITION
   ========================================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-color);
    padding: 150px 24px 80px 24px;
    overflow: hidden;
    transition: background-color 0.5s ease;
}

.hero-container-centered {
    max-width: 940px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 5;
}

.hero-title-centered {
    font-size: 3.8rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: 12px;
    transition: color 0.5s ease;
}

.serif-italic-centered {
    font-family: 'Instrument Serif', serif;
    font-style: italic;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--accent-blue);
}

.hero-subtitle-centered {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 36px;
    transition: opacity 0.3s ease, color 0.5s ease;
}

.portrait-card-container {
    width: 260px;
    height: 260px;
    margin-bottom: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    will-change: transform;
    transition: var(--transition-spring);
}

.portrait-card {
    width: 100%;
    height: 100%;
    border-radius: 50% 50% 12px 12px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    background: var(--bg-secondary);
    transition: border-color 0.5s ease, background-color 0.5s ease;
}

.portrait-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition-smooth);
}

.portrait-card-container:hover .portrait-card {
    transform: scale(1.02);
}

.availability-badge-centered {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(0, 184, 116, 0.06);
    border: 1px solid rgba(0, 184, 116, 0.15);
    border-radius: 100px;
    margin-bottom: 40px;
}

.badge-text-centered {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-emerald);
}

.btn-primary-centered {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    background: var(--accent-blue);
    color: #FFFFFF;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.98rem;
    box-shadow: 0 16px 36px rgba(0, 85, 255, 0.15);
    transition: var(--transition-smooth);
}

.btn-primary-centered:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 48px rgba(0, 85, 255, 0.25);
}

.arrow-container-centered {
    display: inline-flex;
    margin-left: 8px;
}

.btn-primary-centered .btn-arrow {
    transition: transform 0.3s ease;
}

.btn-primary-centered:hover .btn-arrow {
    transform: translateX(4px);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 5;
}

.hero-scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
}

.scroll-wheel-icon {
    width: 20px;
    height: 30px;
    border: 2px solid currentColor;
    border-radius: 100px;
    position: relative;
    display: block;
}

.scroll-dot {
    width: 4px;
    height: 4px;
    background: currentColor;
    border-radius: 50%;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-slide 1.8s infinite;
}

.scroll-indicator-text {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

@keyframes scroll-slide {
    0% { transform: translate(-50%, 0); opacity: 1; }
    50% { transform: translate(-50%, 6px); opacity: 0.3; }
    100% { transform: translate(-50%, 0); opacity: 1; }
}

.hero-bg-marquee {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
    white-space: nowrap;
}

.marquee-track {
    display: inline-block;
    white-space: nowrap;
    animation: marquee-scroll 60s linear infinite;
}

.marquee-track span {
    font-size: 8vw;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    opacity: 0.02;
    padding-right: 4rem;
    display: inline-block;
}

@keyframes marquee-scroll {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

.floating-shapes-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    will-change: transform;
}

.shape-1 {
    top: 15%;
    left: 8%;
    animation: smooth-float 12s ease-in-out infinite;
    opacity: 0.08;
    color: var(--text-primary);
}

.shape-2 {
    bottom: 15%;
    right: 6%;
    animation: smooth-float 16s ease-in-out infinite alternate;
    opacity: 0.12;
}

@keyframes smooth-float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(3deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* ==========================================================================
   5. SHARED STRUCTURE CORE
   ========================================================================== */
section {
    padding: 140px 24px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 5;
    scroll-margin-top: 80px;
}

.section-header {
    width: 100%;
    margin-bottom: 64px;
    text-align: center;
}

.section-title {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    transition: color 0.5s ease;
}

/* ==========================================================================
   6. PROFILE & METRICS SECTION
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 72px;
    align-items: center;
}

.about-editorial-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
}

.about-intro-text {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--text-secondary);
    font-weight: 400;
    transition: color 0.5s ease;
}

.about-editorial-meta {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 24px;
    border-top: 1px solid var(--glass-border);
    padding-top: 24px;
    transition: border-color 0.5s ease;
}

.about-meta-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding-bottom: 4px;
}

.meta-row-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    width: 160px;
    flex-shrink: 0;
    padding-top: 2px;
}

.meta-row-val {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.about-landscape-card {
    width: 100%;
    max-width: 380px;
    aspect-ratio: 4/3;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: border-color 0.5s ease;
}

.about-landscape-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-stats-container-full {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    width: 100%;
    margin-top: 72px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth), background-color 0.5s ease, border-color 0.5s ease;
    text-align: center;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 85, 255, 0.2);
}

.stat-num {
    font-size: 2.2rem;
    font-family: 'Instrument Serif', serif;
    font-style: italic;
    font-weight: 500;
    color: var(--accent-blue);
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   7. CORE EXPERTISE CARDS
   ========================================================================== */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    width: 100%;
}

.expertise-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 36px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-spring), background-color 0.5s ease, border-color 0.5s ease;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.expertise-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--glass-shadow);
    border-color: rgba(0, 85, 255, 0.25);
}

.expertise-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(0, 85, 255, 0.06);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s ease;
}

.expertise-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.expertise-card-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ==========================================================================
   8. ARCHITECTURE WORKFLOW JOURNEY (Pipeline Path)
   ========================================================================== */
.workflow-journey-container {
    position: relative;
    width: 100%;
    max-width: 840px;
    margin: 0 auto;
    padding: 40px 0;
}

.workflow-ribbon-wrapper {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.workflow-wave-svg {
    width: 100%;
    height: 100%;
}

.workflow-steps-list {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 64px;
    width: 100%;
}

.workflow-step-node {
    display: flex;
    align-items: center;
    width: 100%;
    position: relative;
    opacity: 0.3;
    transition: opacity 0.5s ease;
}

.workflow-step-node.active {
    opacity: 1;
}

.step-right { justify-content: flex-start; padding-left: calc(50% + 40px); }
.step-left { justify-content: flex-end; padding-right: calc(50% + 40px); flex-direction: row-reverse; }

.step-circle {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--card-inner-bg);
    border: 2px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glass-shadow);
    z-index: 3;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.workflow-step-node.active .step-circle {
    border-color: var(--node-color);
}

.step-content-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
    width: 100%;
    max-width: 360px;
}

.workflow-step-node.active:hover .step-content-card {
    border-color: var(--node-color);
    transform: translateY(-2px);
}

.step-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 6px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.step-bullet-desc {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.step-bullet-desc span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding-left: 14px;
}

.step-bullet-desc span::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--node-color);
}

/* ==========================================================================
   9. PRODUCTION SYSTEMS (PROJECTS) GRID
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-spring), background-color 0.5s ease, border-color 0.5s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--glass-shadow);
}

.large-card {
    grid-column: span 2;
    flex-direction: row;
    align-items: stretch;
}

.project-thumbnail-container {
    background: rgba(15, 20, 28, 0.01);
    border-right: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
    overflow: hidden;
    position: relative;
}

.large-card .project-thumbnail-container {
    width: 44%;
    background: radial-gradient(circle at top left, rgba(0, 85, 255, 0.02), transparent);
}

.medium-card .project-thumbnail-container {
    height: 240px;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
}

.project-mockup-wrapper {
    width: 100%;
    height: 100%;
    background: var(--card-inner-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mockup-browser-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--glass-border);
}

.browser-dot { width: 6px; height: 6px; border-radius: 50%; }
.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.browser-address-bar {
    margin-left: 14px;
    font-size: 0.65rem;
    color: var(--text-muted);
    background: var(--bg-color);
    padding: 2px 16px;
    border-radius: 4px;
    font-family: monospace;
    width: 100%;
    max-width: 240px;
    border: 1px solid var(--glass-border);
}

.mockup-content-body {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--mockup-shell-bg);
    position: relative;
    overflow: hidden;
}

.project-info {
    padding: 36px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex-grow: 1;
}

.large-card .project-info { width: 56%; }

.project-title {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.project-subtitle {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 16px;
    display: block;
}

.project-description {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-bottom: 24px;
}

.status-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-badge.progress { background: rgba(0, 85, 255, 0.06); color: var(--accent-blue); border: 1px solid rgba(0, 85, 255, 0.12); }
.status-badge.completed { background: rgba(0, 184, 116, 0.06); color: var(--accent-emerald); border: 1px solid rgba(0, 184, 116, 0.12); }
.status-badge.maintenance { background: rgba(99, 102, 241, 0.06); color: var(--accent-indigo); border: 1px solid rgba(99, 102, 241, 0.12); }

.project-tech-tag {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 4px;
}

.project-card-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
}

.btn-project-primary {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    background: var(--text-primary);
    color: var(--bg-color);
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    transition: var(--transition-smooth);
}

.btn-project-primary:hover { transform: translateY(-1px); opacity: 0.9; }

/* ==========================================================================
   10. CONNECTION CAPABILITY (CONTACT)
   ========================================================================== */
.contact-card-container {
    width: 100%;
    display: flex;
    justify-content: center;
}

.contact-card {
    width: 100%;
    max-width: 960px;
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 64px 48px;
    box-shadow: var(--glass-shadow);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.contact-heading {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.contact-desc-placeholder {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 44px;
}

.contact-channels {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    width: 100%;
    margin-bottom: 40px;
}

.channel-item {
    background: var(--card-inner-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: var(--transition-smooth), background-color 0.5s ease, border-color 0.5s ease;
}

.channel-item:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 85, 255, 0.3);
}

.channel-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.channel-value {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-word;
}

.btn-secondary-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background: transparent;
    border: 1.5px solid var(--glass-border);
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.btn-secondary-outline:hover {
    background: var(--bg-secondary);
}

/* ==========================================================================
   11. STRUCTURAL FOOTER
   ========================================================================== */
.footer {
    padding: 48px 24px;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    transition: border-color 0.5s ease;
}

.footer-text {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.footer-highlight { font-weight: 700; color: var(--text-primary); }
.footer-copyright { font-size: 0.78rem; color: var(--text-muted); }

/* ==========================================================================
   12. RESPONSIVE ENGINE (Desktop-First)
   ========================================================================== */
@media (max-width: 992px) {
    section { padding: 100px 24px; }
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-landscape-card { margin: 0 auto; }
    .about-stats-container-full { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .expertise-grid { grid-template-columns: repeat(2, 1fr); }
    
    .workflow-journey-container { padding: 30px 0; }
    .workflow-ribbon-wrapper { left: 20px; transform: none; width: 2px; background: var(--glass-border); }
    .workflow-wave-svg { display: none; }
    .workflow-step-node { padding-left: 48px; padding-right: 0; justify-content: flex-start; flex-direction: row; opacity: 1 !important; }
    .step-left { flex-direction: row; }
    .step-circle { left: 20px; transform: translateX(-50%); }
    
    .large-card { flex-direction: column; }
    .large-card .project-thumbnail-container { width: 100%; height: 220px; border-right: none; border-bottom: 1px solid var(--glass-border); }
    .large-card .project-info { width: 100%; }
    .contact-channels { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero-title-centered { font-size: 2.8rem; }
    .nav-links, .nav-cta { display: none; }
    .mobile-toggle { display: flex; }
}

@media (max-width: 600px) {
    .section-title { font-size: 2.1rem; }
    .about-stats-container-full, .expertise-grid, .projects-grid, .contact-channels { grid-template-columns: 1fr; }
    .large-card, .medium-card { grid-column: span 1; }
    .contact-card { padding: 40px 24px; }
    .contact-heading { font-size: 1.6rem; }
}