/* === Mockarty Website — Landing Page === */

/* === Animations === */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes heroBadgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(45, 140, 240, 0.4); }
    50% { box-shadow: 0 0 20px 4px rgba(45, 140, 240, 0.2); }
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
@keyframes protocolTagSlide {
    from { opacity: 0; transform: translateY(10px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* === Header / Nav === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}
.site-header.scrolled {
    box-shadow: var(--shadow);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}
.nav-logo:hover { opacity: 1; }
.nav-logo-svg {
    height: 36px;
    width: auto;
    overflow: visible;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-sm);
    transition: color 0.2s;
    position: relative;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--accent-color);
}
.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-color);
    border-radius: 2px;
}
.nav-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}
.nav-controls button, .nav-controls select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-sm);
    transition: all 0.2s;
}
.nav-controls button:hover, .nav-controls select:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* === Hero === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    background: var(--bg-hero);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 50%, var(--bg-hero-overlay) 0%, transparent 70%);
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 100px;
    color: rgba(255,255,255,0.9);
    font-size: var(--font-sm);
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s ease-out, heroBadgePulse 3s ease-in-out 1s infinite;
}
.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: white;
    margin-bottom: 20px;
    line-height: 1.1;
    animation: fadeInUp 0.7s ease-out 0.1s both;
}
.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    animation: fadeInUp 0.7s ease-out 0.25s both;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.7s ease-out 0.4s both;
}
.hero .btn-primary {
    background: white;
    color: var(--accent-color);
    box-shadow: 0 4px 14px rgba(0,0,0,0.2);
    font-weight: 700;
}
.hero .btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}
.hero .btn-outline {
    border-color: rgba(255,255,255,0.5);
    color: white;
}
.hero .btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: white;
}
.hero-protocols {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 48px;
    flex-wrap: wrap;
}
.hero-protocols {
    animation: fadeInUp 0.7s ease-out 0.55s both;
}
.hero-protocols .protocol-tag {
    padding: 6px 14px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 100px;
    color: rgba(255,255,255,0.7);
    font-size: var(--font-xs);
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: default;
}
.hero-protocols .protocol-tag:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.35);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* === Why Mockarty (Problem Section) === */
.problem-section {
    background: var(--bg-secondary);
}
.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.problem-card {
    text-align: center;
    padding: 32px 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}
.problem-card .card-icon {
    margin: 0 auto 16px;
    width: 56px;
    height: 56px;
    font-size: 1.4rem;
}
.problem-card h3 {
    font-size: var(--font-md);
    margin-bottom: 8px;
}
.problem-card p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

/* === Protocol Showcase === */
.protocol-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 32px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}
.protocol-tab {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}
.protocol-tab:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}
.protocol-tab.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
}
.protocol-tab .tab-badge {
    font-size: 0.6rem;
    padding: 1px 5px;
    border-radius: 4px;
    background: rgba(245,158,11,0.15);
    color: var(--warning-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.protocol-tab.active .tab-badge {
    background: rgba(255,255,255,0.2);
    color: white;
}
.plugin-notice {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    margin-bottom: 12px;
    background: rgba(245,158,11,0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245,158,11,0.3);
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: 600;
}
.protocol-content {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-align: left;
}
.protocol-content.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.protocol-info {
    padding: 32px;
    text-align: left;
}
.protocol-info h3 {
    font-size: var(--font-xl);
    margin-bottom: 12px;
}
.protocol-info p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}
.protocol-features {
    list-style: none;
}
.protocol-features li {
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    gap: 8px;
}
.protocol-features li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--check-color);
    font-size: 0.75rem;
}
/* === Protocol Diagrams === */
.protocol-diagram {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-left: 1px solid var(--border-color);
    background: var(--bg-secondary);
    align-items: center;
    justify-content: center;
}
.pd-flow {
    display: flex;
    align-items: center;
    gap: 0;
    width: 100%;
    justify-content: center;
}
.pd-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    min-width: 90px;
    text-align: center;
    flex-shrink: 0;
}
.pd-node i {
    font-size: 1.1rem;
    margin-bottom: 2px;
}
.pd-node span {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}
.pd-node small {
    font-size: 0.6rem;
    color: var(--text-muted);
    font-weight: 400;
}
.pd-client {
    border-color: #2d8cf0;
}
.pd-client i {
    color: #2d8cf0;
}
.pd-admin {
    border-color: #f59e0b;
}
.pd-admin i {
    color: #f59e0b;
}
.pd-plugin {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}
.pd-plugin i {
    color: #10b981;
}
.pd-ai {
    border-color: #1a73d4;
}
.pd-ai i {
    color: #1a73d4;
}
.pd-arrow-h {
    flex: 1;
    min-width: 40px;
    max-width: 200px;
    height: 2px;
    background: var(--border-color);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pd-arrow-h::after {
    content: '';
    position: absolute;
    right: -4px;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 6px solid var(--border-color);
}
.pd-arrow-h span {
    position: absolute;
    top: -16px;
    white-space: nowrap;
    font-size: 0.58rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 0 4px;
    font-weight: 500;
}
.pd-arrow-back::after {
    right: auto;
    left: -4px;
    border-left: none;
    border-right: 6px solid var(--border-color);
}
.pd-arrow-bidi::before {
    content: '';
    position: absolute;
    left: -4px;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-right: 6px solid var(--border-color);
}
.pd-arrow-stream {
    background: repeating-linear-gradient(90deg, var(--border-color) 0, var(--border-color) 6px, transparent 6px, transparent 10px);
    height: 2px;
}
.pd-process {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 6px 0;
}
.pd-step {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    background: var(--accent-light);
    border: 1px solid rgba(45, 140, 240, 0.2);
    border-radius: 100px;
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--accent-color);
    white-space: nowrap;
}
.pd-step i {
    font-size: 0.6rem;
}

/* === API-First Section === */
.api-first-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.api-first-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.api-first-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}
.api-first-card .card-icon {
    flex-shrink: 0;
}
.api-first-card h3 {
    font-size: var(--font-md);
    margin-bottom: 6px;
}
.api-first-card p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

/* === AI Section === */
.ai-section {
    background: var(--bg-secondary);
}
.ai-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ai-card {
    padding: 32px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.ai-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}
.ai-card .unique-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent-gradient);
    color: white;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: var(--font-xs);
    font-weight: 600;
}
.ai-card h3 {
    font-size: var(--font-lg);
    margin-bottom: 12px;
    margin-top: 8px;
}
.ai-card p {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    line-height: 1.7;
}

/* === Features Grid === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.feature-card {
    padding: 28px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}
.feature-card .card-icon {
    transition: transform 0.3s ease;
}
.feature-card:hover .card-icon {
    transform: scale(1.1);
}
.feature-card h3 {
    font-size: var(--font-base);
    margin-bottom: 8px;
}
.feature-card p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === On-Premise Section === */
.onprem-section {
    background: var(--bg-hero);
    color: white;
}
.onprem-section .section-subtitle {
    color: rgba(255,255,255,0.7);
}
.onprem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.onprem-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: transform 0.3s ease, background 0.3s ease;
}
.onprem-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.12);
}
.onprem-card h3 {
    font-size: var(--font-md);
    margin-bottom: 8px;
}
.onprem-card p {
    color: rgba(255,255,255,0.7);
    font-size: var(--font-sm);
}
.onprem-card .card-icon {
    background: rgba(255,255,255,0.1);
    color: white;
}

/* === MQ Protocol Diagrams (Kafka / RabbitMQ) === */
.pd-diagram-mq {
    gap: 0 !important;
    padding: 16px 14px !important;
}
.pd-mq-row {
    display: flex;
    align-items: center;
    gap: 0;
    width: 100%;
    justify-content: center;
}
.pd-mq-broker {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    min-width: 140px;
}
.pd-mq-broker-input {
    border-color: #2d8cf0;
    background: rgba(45, 140, 240, 0.04);
}
.pd-mq-broker-output {
    border-color: #f59e0b;
    background: rgba(245, 158, 11, 0.04);
}
.pd-mq-broker-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.pd-mq-broker-input .pd-mq-broker-icon {
    background: rgba(45, 140, 240, 0.12);
    color: #2d8cf0;
}
.pd-mq-broker-output .pd-mq-broker-icon {
    background: rgba(245, 158, 11, 0.12);
    color: #f59e0b;
}
.pd-mq-broker-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.pd-mq-broker-info strong {
    font-size: 0.68rem;
    color: var(--text-primary);
}
.pd-mq-topic {
    font-size: 0.6rem;
    color: var(--accent-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}
.pd-mq-topic i {
    font-size: 0.55rem;
}
.pd-mq-topic-sub {
    font-size: 0.55rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 3px;
}
.pd-mq-topic-sub i {
    font-size: 0.5rem;
}
.pd-mq-note {
    font-size: 0.52rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 1px;
}
.pd-mq-arrow {
    flex: 0 0 60px;
    height: 2px;
    background: var(--border-color);
    position: relative;
}
.pd-mq-arrow::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -4px;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 6px solid var(--border-color);
}
.pd-mq-arrow span {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-size: 0.55rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 0 3px;
    font-weight: 600;
}
.pd-mq-arrow-out {
    background: #f59e0b;
}
.pd-mq-arrow-out::after {
    border-left-color: #f59e0b;
}
.pd-mq-center-node {
    min-width: 80px;
}
.pd-mq-resolve {
    display: flex;
    align-items: flex-start;
    width: 100%;
    padding: 0 0 0 50%;
    position: relative;
}
.pd-mq-resolve-line {
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background: repeating-linear-gradient(180deg, var(--border-color) 0, var(--border-color) 4px, transparent 4px, transparent 8px);
    transform: translateX(-50%);
}
.pd-mq-resolve-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 0 10px 20px;
    position: relative;
    z-index: 1;
}
.pd-mq-resolve-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    font-weight: 500;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    background: var(--bg-secondary);
    padding: 0 6px;
}
.pd-mq-admin-node {
    min-width: 90px;
}
.pd-mq-process {
    padding: 2px 0 !important;
}
.pd-mq-consumer {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    width: 100%;
    padding-right: 20px;
    position: relative;
}
.pd-mq-consumer-line {
    width: 2px;
    height: 20px;
    background: var(--border-color);
    position: absolute;
    right: calc(20px + 45px);
    top: 0;
}
.pd-mq-consumer-line::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--border-color);
}
.pd-mq-consumer-node {
    margin-top: 22px;
    margin-right: 6px;
}

/* === Server Generator Section === */
.servergen-section {
    background: var(--bg-card);
}
.sg-diagram {
    max-width: 800px;
    margin: 36px auto 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}
.sg-top-row {
    width: 100%;
}
.sg-specs {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}
.sg-spec-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}
.sg-spec-item i {
    color: var(--accent-color);
    font-size: 0.85rem;
}
.sg-connector {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 6px 0;
}
.sg-connector-wide {
    width: 60%;
}
.sg-generator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: var(--accent-gradient);
    color: white;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: 0 4px 16px rgba(45, 140, 240, 0.3);
}
.sg-gen-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}
.sg-servers-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}
.sg-server {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 2px solid #10b981;
    background: rgba(16, 185, 129, 0.05);
    min-width: 72px;
}
.sg-server i {
    font-size: 1rem;
    color: #10b981;
}
.sg-server span {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-primary);
}
.sg-bottom-row {
    display: flex;
    gap: 16px;
    justify-content: center;
    width: 100%;
    flex-wrap: wrap;
}
.sg-admin-block, .sg-cache-block {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex: 1;
    min-width: 200px;
    max-width: 340px;
}
.sg-admin-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.sg-cache-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(45, 140, 240, 0.1);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.sg-admin-info, .sg-cache-info {
    display: flex;
    flex-direction: column;
    text-align: left;
}
.sg-admin-info strong, .sg-cache-info strong {
    font-size: 0.8rem;
    color: var(--text-primary);
}
.sg-admin-info span, .sg-cache-info span {
    font-size: 0.65rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* === Architecture Section === */
.architecture-section {
    background: var(--bg-secondary);
}
.arch-diagram {
    max-width: 800px;
    margin: 40px auto 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}
.arch-layer {
    width: 100%;
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}
.arch-label {
    font-weight: 700;
    font-size: var(--font-sm);
    color: var(--text-primary);
    margin-bottom: 6px;
}
.arch-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 1.2rem;
    color: var(--text-secondary);
}
.arch-lb {
    max-width: 300px;
    background: var(--accent-light);
    border-color: var(--accent-color);
}
.arch-lb .arch-label {
    color: var(--accent-color);
}
.arch-lb .arch-icons {
    color: var(--accent-color);
}
.arch-connector {
    display: flex;
    justify-content: center;
    gap: 80px;
    padding: 8px 0;
}
.arch-arrow {
    width: 2px;
    height: 28px;
    background: var(--border-color);
    position: relative;
}
.arch-arrow::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--border-color);
}
.arch-nodes-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
}
.arch-node {
    padding: 20px 16px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.arch-node:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.arch-node-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-size: 1.1rem;
}
.arch-node-admin {
    border-color: #f59e0b;
}
.arch-node-admin .arch-node-icon {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}
.arch-node-resolver {
    border-color: var(--accent-color);
}
.arch-node-resolver .arch-node-icon {
    background: var(--accent-light);
    color: var(--accent-color);
}
.arch-node-runner {
    border-color: #10b981;
}
.arch-node-runner .arch-node-icon {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}
.arch-node-title {
    font-weight: 700;
    font-size: var(--font-sm);
    color: var(--text-primary);
    margin-bottom: 4px;
}
.arch-node-desc {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    line-height: 1.4;
}
.arch-scale-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-gradient);
    color: white;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 3px;
    box-shadow: 0 2px 8px rgba(45, 140, 240, 0.3);
}
.arch-data-row {
    display: flex;
    justify-content: center;
    gap: 24px;
    width: 100%;
}
.arch-data-node {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}
.arch-data-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(45, 140, 240, 0.1);
    color: var(--accent-color);
    font-size: 0.95rem;
}
.arch-data-node span {
    font-weight: 600;
    font-size: var(--font-sm);
    color: var(--text-primary);
}
.arch-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}
.arch-feature {
    text-align: center;
    padding: 24px 16px;
}
.arch-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    background: var(--accent-light);
    color: var(--accent-color);
    font-size: 1.2rem;
}
.arch-feature h4 {
    font-size: var(--font-md);
    margin-bottom: 8px;
    color: var(--text-primary);
}
.arch-feature p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === Audience Section === */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}
.audience-column h3 {
    font-size: var(--font-xl);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.audience-list li {
    padding: 12px 0;
    font-size: var(--font-sm);
    color: var(--text-secondary);
    display: flex;
    gap: 12px;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-light);
}
.audience-list li:last-child { border-bottom: none; }
.audience-list .list-icon {
    color: var(--accent-color);
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* === Comparison Table === */
.comparison-section {
    background: var(--bg-secondary);
}
.comparison-table {
    overflow-x: auto;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}
.comparison-table table {
    min-width: 800px;
}
.comparison-table th:first-child,
.comparison-table td:first-child {
    position: sticky;
    left: 0;
    background: inherit;
    font-weight: 600;
    min-width: 160px;
}
.comparison-table th {
    text-align: center;
    padding: 16px;
}
.comparison-table td {
    text-align: center;
    padding: 12px 16px;
}
.comparison-table td:first-child {
    text-align: left;
}
.comparison-table .check { color: var(--check-color); font-weight: bold; }
.comparison-table .cross { color: var(--cross-color); }
.comparison-table .partial { color: var(--warning-color); }
.comparison-table .cmp-note {
    display: block;
    font-size: 0.6rem;
    font-weight: 400;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}
.comparison-table .mockarty-col {
    background: var(--accent-light);
}
.comparison-table th.mockarty-col {
    color: var(--accent-color);
    font-weight: 700;
    font-size: var(--font-md);
}

/* === Getting Started === */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    counter-reset: step;
}
.step-card {
    position: relative;
    padding-top: 16px;
    counter-increment: step;
}
.step-card::before {
    content: counter(step);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: white;
    font-weight: 700;
    font-size: var(--font-lg);
    margin-bottom: 16px;
}
.step-card h3 {
    font-size: var(--font-md);
    margin-bottom: 8px;
}
.step-card p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.step-card pre {
    background: var(--bg-code);
    padding: 14px;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}
.step-card code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    color: var(--text-primary);
}

/* === CTA Section === */
.cta-section {
    background: var(--accent-gradient);
    text-align: center;
    padding: 80px 24px;
}
.cta-section h2 {
    color: white;
    font-size: var(--font-3xl);
    margin-bottom: 16px;
}
.cta-section p {
    color: rgba(255,255,255,0.8);
    font-size: var(--font-lg);
    margin-bottom: 32px;
}
.cta-section .btn-primary {
    background: white;
    color: var(--accent-color);
}
.cta-section .btn-outline {
    border-color: rgba(255,255,255,0.5);
    color: white;
}
.cta-section .btn-outline:hover {
    background: rgba(255,255,255,0.15);
}

/* === Footer === */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand h3 {
    font-size: var(--font-xl);
    margin-bottom: 12px;
    display: flex;
    align-items: flex-end;
    gap: 0;
}
.footer-brand p {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    max-width: 300px;
}
.footer-column h4 {
    font-size: var(--font-sm);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.footer-column ul li {
    margin-bottom: 8px;
}
.footer-column ul li a {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}
.footer-column ul li a:hover {
    color: var(--accent-color);
}
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-sm);
}

/* === File Upload Zone === */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
}
.upload-zone:hover {
    border-color: var(--accent-color);
    background: var(--accent-light);
}
.upload-zone.drag-over {
    border-color: var(--accent-color);
    background: var(--accent-light);
    box-shadow: 0 0 0 3px rgba(45, 140, 240, 0.15);
}
.upload-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
}
.upload-zone-content i {
    font-size: 1.5rem;
    color: var(--accent-color);
}
.upload-zone-content span {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-secondary);
}
.upload-zone-content small {
    font-size: var(--font-xs);
    color: var(--text-muted);
}
.upload-previews {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}
.upload-preview-card {
    position: relative;
    width: 100px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-secondary);
}
.upload-preview-card img {
    width: 100%;
    height: 64px;
    object-fit: cover;
    display: block;
}
.upload-preview-card .file-icon {
    width: 100%;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
}
.upload-preview-info {
    padding: 4px 6px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.upload-preview-name {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.upload-preview-size {
    font-size: 0.6rem;
    color: var(--text-muted);
}
.upload-preview-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0,0,0,0.6);
    color: white;
    border: none;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    padding: 0;
}
.upload-preview-remove:hover {
    background: var(--danger-color);
}

/* === Responsive === */
@media (max-width: 1024px) {
    .protocol-content.active { grid-template-columns: 1fr; }
    .protocol-diagram { border-left: none; border-top: 1px solid var(--border-color); }
    .problem-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .ai-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
    .api-first-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--nav-bg);
        backdrop-filter: blur(20px);
        padding: 16px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }
    .hero { min-height: auto; padding: 100px 16px 60px; }
    .hero h1 { font-size: 2rem; }
    .problem-grid { grid-template-columns: 1fr; }
    .api-first-grid { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: 1fr; }
    .onprem-grid { grid-template-columns: 1fr; }
    .arch-nodes-row { grid-template-columns: 1fr; }
    .arch-features { grid-template-columns: 1fr; }
    .arch-data-row { flex-direction: column; align-items: center; }
    .arch-connector { gap: 30px; }
    .steps-grid { grid-template-columns: 1fr; }
    .comparison-table { border-radius: var(--radius-md); }
    .footer-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .pd-flow { flex-wrap: wrap; gap: 6px; justify-content: center; }
    .pd-arrow-h { min-width: 30px; max-width: 80px; }
    .pd-arrow-h span { font-size: 0.5rem; top: -14px; }
    .pd-node { min-width: 70px; padding: 8px 10px; }
    .pd-node span { font-size: 0.6rem; }
    .pd-process { gap: 4px; }
    .pd-step { font-size: 0.55rem; padding: 3px 7px; }
    .sg-servers-row { gap: 6px; }
    .sg-server { min-width: 60px; padding: 8px 10px; }
    .sg-bottom-row { flex-direction: column; align-items: center; }
    .sg-admin-block, .sg-cache-block { max-width: 100%; }
    .pd-mq-row { flex-wrap: wrap; gap: 6px; }
    .pd-mq-broker { min-width: 110px; padding: 8px 10px; }
    .pd-mq-arrow { flex: 0 0 30px; }
    .pd-mq-resolve { padding-left: 20%; }
    .pd-mq-consumer { padding-right: 10px; }
    .pd-mq-consumer-line { right: calc(10px + 40px); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}