/* ============================================
   OpenClaw Architecture Site — Core Styles
   ============================================ */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --text-primary: #e8e8f0;
    --text-secondary: #9898b0;
    --text-muted: #606080;
    --accent: #f97316;
    --accent-light: #fb923c;
    --accent-glow: rgba(249, 115, 22, 0.3);
    --purple: #a855f7;
    --purple-glow: rgba(168, 85, 247, 0.3);
    --blue: #3b82f6;
    --blue-glow: rgba(59, 130, 246, 0.3);
    --green: #22c55e;
    --green-glow: rgba(34, 197, 94, 0.3);
    --red: #ef4444;
    --border: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --glass: rgba(22, 22, 31, 0.8);
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
}

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

html {
    font-size: 16px;
    overflow: hidden;
    height: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
    height: 100%;
    -webkit-font-smoothing: antialiased;
}

/* FULLPAGE WRAPPER */
.fullpage-wrapper {
    height: 100vh;
    overflow: hidden;
    position: relative;
}
.fullpage-sections {
    transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1);
    will-change: transform;
}
.fp-section {
    height: 100vh;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}
/* Allow internal scrolling for content-heavy sections */
.fp-section > .container,
.fp-section > .hero-bg + .hero-content {
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.fp-section > .container::-webkit-scrollbar { width: 4px; }
.fp-section > .container::-webkit-scrollbar-track { background: transparent; }
.fp-section > .container::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* NAV */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 24px;
    transition: all 0.3s ease;
}
.nav.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
}
.logo-icon { font-size: 1.5rem; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

/* HERO */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 80px 24px 40px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}
.grid-lines {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}
.orb-1 { width: 600px; height: 600px; background: var(--accent-glow); top: -200px; right: -100px; }
.orb-2 { width: 400px; height: 400px; background: var(--purple-glow); bottom: -100px; left: -50px; }
.orb-3 { width: 300px; height: 300px; background: var(--blue-glow); top: 50%; left: 50%; transform: translate(-50%, -50%); }

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--accent-light);
    margin-bottom: 32px;
}
.badge-dot {
    width: 8px; height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-dot 2s ease infinite;
}
.hero-title {
    font-size: clamp(2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}
.hero-line { display: block; }
.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--purple), var(--blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}
.stat {
    padding: 14px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
}
.stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
}
.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Install Box */
.install-box {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}
.install-prompt { color: var(--green); font-weight: 600; }
.install-box code { color: var(--text-primary); }
.copy-btn {
    padding: 6px 14px;
    background: var(--accent);
    color: #000;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: opacity 0.2s;
}
.copy-btn:hover { opacity: 0.8; }
.install-note {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* SECTIONS */
.section {
    padding: 0;
    position: relative;
}
.section > .container {
    padding: 60px 24px 40px;
}
.section-dark {
    background: var(--bg-secondary);
}
.section-header {
    text-align: center;
    margin-bottom: 36px;
}
.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.15);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}
.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.section-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* ARCHITECTURE DIAGRAM */
.arch-diagram {
    max-width: 1000px;
    margin: 0 auto;
}
.arch-layer {
    padding: 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 12px;
    position: relative;
}
.layer-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    padding-left: 4px;
}
.layer-items {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}
.arch-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 14px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    min-width: 100px;
    text-align: center;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}
.arch-node:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 8px 30px var(--accent-glow);
}
.node-icon { font-size: 1.3rem; }
.arch-node small { color: var(--text-muted); font-size: 0.65rem; }

.arch-channels { background: rgba(59, 130, 246, 0.05); border: 1px solid rgba(59, 130, 246, 0.1); }
.arch-channels .layer-label { color: var(--blue); }
.arch-gateway { background: rgba(249, 115, 22, 0.05); border: 1px solid rgba(249, 115, 22, 0.1); }
.arch-gateway .layer-label { color: var(--accent); }
.arch-tools { background: rgba(168, 85, 247, 0.05); border: 1px solid rgba(168, 85, 247, 0.1); }
.arch-tools .layer-label { color: var(--purple); }
.arch-clients { background: rgba(34, 197, 94, 0.05); border: 1px solid rgba(34, 197, 94, 0.1); }
.arch-clients .layer-label { color: var(--green); }

.arch-arrows {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 0;
}
.arrow-down {
    width: 2px; height: 16px;
    background: linear-gradient(to bottom, var(--accent), transparent);
}
.arrow-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* GATEWAY GRID */
.gateway-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: border-color 0.3s;
}
.detail-card:hover {
    border-color: rgba(249, 115, 22, 0.3);
}
.card-icon { font-size: 1.8rem; margin-bottom: 16px; }
.detail-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

/* Protocol Flow */
.protocol-flow { margin-bottom: 20px; }
.protocol-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.protocol-step:last-child { border-bottom: none; }
.step-badge {
    width: 28px; height: 28px;
    background: var(--accent);
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}
.step-content {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}
.step-content code {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.8rem;
}
.step-content span { color: var(--text-secondary); }

/* Code Block */
.code-block {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.code-block pre {
    padding: 16px;
    overflow-x: auto;
}
.code-block code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Feature List */
.feature-list {
    list-style: none;
    margin-bottom: 20px;
}
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.feature-list li code {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.8rem;
    background: rgba(249, 115, 22, 0.1);
    padding: 1px 6px;
    border-radius: 4px;
}
.feature-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 8px;
}

/* Heartbeat */
.heartbeat-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(34, 197, 94, 0.05);
    border: 1px solid rgba(34, 197, 94, 0.1);
    border-radius: var(--radius-sm);
    margin-top: 12px;
}
.hb-badge {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--green);
    padding: 4px 10px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 4px;
}
.heartbeat-feature span { color: var(--text-secondary); font-size: 0.85rem; }

/* Memory Flow */
.memory-flow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding: 12px;
    background: rgba(168, 85, 247, 0.05);
    border: 1px solid rgba(168, 85, 247, 0.1);
    border-radius: var(--radius-sm);
}
.mem-item {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--purple);
}
.mem-arrow { color: var(--text-muted); }

/* LOOP SECTION */
.loop-visualization {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}
.loop-steps { display: flex; flex-direction: column; gap: 8px; }
.loop-step {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s ease;
}
.loop-step:hover, .loop-step.active {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}
.loop-step.active {
    box-shadow: 0 0 20px var(--accent-glow);
}
.step-number {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent);
    opacity: 0.5;
    min-width: 40px;
}
.loop-step.active .step-number { opacity: 1; }
.step-info h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.step-info p { font-size: 0.85rem; color: var(--text-secondary); }

.loop-detail-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: sticky;
    top: 100px;
}

/* Lifecycle Diagram */
.lifecycle-diagram {
    margin-top: 32px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.lifecycle-diagram h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.1rem;
}
.sequence-diagram {
    display: grid;
    grid-template-columns: 120px 1fr 120px;
    gap: 0;
    max-width: 700px;
    margin: 0 auto;
}
.seq-header {
    text-align: center;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.seq-col { display: flex; flex-direction: column; gap: 0; }
.seq-middle { display: flex; flex-direction: column; gap: 8px; padding-top: 50px; }
.seq-msg {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}
.msg-right { justify-content: flex-end; }
.msg-left { justify-content: flex-start; }
.msg-arrow { color: var(--accent); font-weight: 700; }
.seq-msg span { color: var(--text-secondary); }
.seq-msg.streaming span { color: var(--purple); font-style: italic; }

/* TOOLS GRID */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}
.tool-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: border-color 0.3s;
}
.tool-group:hover { border-color: rgba(249, 115, 22, 0.3); }
.group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.group-icon { font-size: 1.3rem; }
.group-header h3 {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent);
}
.tool-items { display: flex; flex-direction: column; gap: 8px; }
.tool-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--bg-primary);
    border-radius: 6px;
    font-size: 0.85rem;
}
.tool-item code {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.8rem;
    min-width: 110px;
}
.tool-item span { color: var(--text-secondary); font-size: 0.8rem; }

/* Sandbox */
.sandbox-info {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-lg);
}
.sandbox-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}
.sandbox-icon { font-size: 1.5rem; }
.sandbox-header h3 { font-size: 1.2rem; }
.sandbox-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.sandbox-feature {
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
}
.sandbox-feature h4 {
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.sandbox-feature code {
    font-family: var(--font-mono);
    color: var(--blue);
    font-size: 0.8rem;
    display: block;
    margin-bottom: 6px;
}
.sandbox-feature p { font-size: 0.8rem; color: var(--text-muted); }

/* SKILLS SECTION */
.skills-arch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
}
.skills-precedence { display: flex; flex-direction: column; gap: 8px; }
.prec-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.prec-rank {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    min-width: 80px;
    padding-top: 2px;
}
.prec-workspace { background: rgba(34, 197, 94, 0.05); border-color: rgba(34, 197, 94, 0.15); }
.prec-workspace .prec-rank { color: var(--green); }
.prec-managed { background: rgba(59, 130, 246, 0.05); border-color: rgba(59, 130, 246, 0.15); }
.prec-managed .prec-rank { color: var(--blue); }
.prec-bundled { background: rgba(168, 85, 247, 0.05); border-color: rgba(168, 85, 247, 0.15); }
.prec-bundled .prec-rank { color: var(--purple); }
.prec-content h4 { font-family: var(--font-mono); font-size: 0.9rem; margin-bottom: 4px; }
.prec-content p { font-size: 0.8rem; color: var(--text-secondary); }
.prec-arrow {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 4px 0;
}
.skill-format h3 { margin-bottom: 16px; }

/* Skill Cards */
.skills-showcase h3 { text-align: center; margin-bottom: 24px; font-size: 1.3rem; }
.skill-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.skill-card {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.3s ease;
}
.skill-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 8px 30px var(--accent-glow);
}
.skill-emoji { font-size: 1.5rem; margin-bottom: 12px; }
.skill-card h4 {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--accent);
    margin-bottom: 8px;
}
.skill-card p { font-size: 0.85rem; color: var(--text-secondary); }

/* SCENARIOS */
.scenario-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
.tab {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    font-family: var(--font-sans);
    transition: all 0.2s;
}
.tab:hover { border-color: var(--accent); color: var(--text-primary); }
.tab.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    font-weight: 600;
}

.scenario-demo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

/* Chat UI */
.demo-chat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #2E2E2E;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.chat-avatar {
    width: 36px; height: 36px;
    background: rgba(149, 236, 105, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}
.chat-name { font-weight: 600; font-size: 0.9rem; }
.chat-status { font-size: 0.75rem; color: var(--green); display: block; }
.chat-messages {
    padding: 16px;
    min-height: 280px;
    max-height: 340px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #1A1A1A;
}
.msg {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.85rem;
    line-height: 1.5;
    animation: fadeInMsg 0.3s ease;
}
.msg-user {
    align-self: flex-end;
    background: #95EC69;
    color: #000;
    border-bottom-right-radius: 4px;
}
.msg-bot {
    align-self: flex-start;
    background: #fff;
    border: none;
    border-bottom-left-radius: 4px;
    color: #1a1a1a;
}
.msg-system {
    align-self: center;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    color: var(--purple);
    font-size: 0.75rem;
    text-align: center;
}

/* Activity Log */
.demo-activity {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.activity-header {
    padding: 16px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.9rem;
}
.activity-log {
    padding: 12px;
    min-height: 280px;
    max-height: 340px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.log-entry {
    display: flex;
    gap: 10px;
    padding: 8px 10px;
    background: var(--bg-primary);
    border-radius: 8px;
    font-size: 0.8rem;
    animation: fadeInMsg 0.3s ease;
}
.log-icon { flex-shrink: 0; }
.log-text { color: var(--text-secondary); }
.log-text code {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.75rem;
}

/* INTEGRATIONS */
.integrations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.integration-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}
.integration-category h3 { font-size: 1rem; margin-bottom: 16px; }
.int-items { display: flex; flex-direction: column; gap: 8px; }
.int-item {
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}
.int-item:hover { color: var(--text-primary); }

/* MULTI-AGENT */
.agent-topology {
    max-width: 800px;
    margin: 0 auto;
}
.agent-box {
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
}
.agent-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 700;
}
.agent-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
}
.agent-dot.green { background: var(--green); }
.agent-dot.blue { background: var(--blue); }
.agent-dot.purple { background: var(--purple); }
.agent-dot.orange { background: var(--accent); }
.agent-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}
.agent-main { border-color: rgba(34, 197, 94, 0.3); }
.agent-connections {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 0;
}
.conn-line { width: 2px; height: 16px; background: var(--accent); opacity: 0.5; }
.conn-label { font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }
.agent-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/* START SECTION */
.start-steps {
    max-width: 700px;
    margin: 0 auto 48px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.start-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.step-num {
    width: 40px; height: 40px;
    background: var(--accent);
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
}
.step-body h4 { margin-bottom: 10px; }
.step-body .code-block { margin-bottom: 0; }
.step-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; }

.links-row {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.link-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}
.link-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* FOOTER */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}
.footer-content { color: var(--text-secondary); font-size: 0.9rem; }
.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.footer-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; }

/* PAGE DOTS NAVIGATION */
.page-dots {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.page-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.25);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}
.page-dot:hover {
    border-color: var(--accent);
    background: rgba(249, 115, 22, 0.3);
}
.page-dot.active {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.3);
    box-shadow: 0 0 8px var(--accent-glow);
}

/* PAGE INDICATOR (1/N) */
.page-indicator {
    position: fixed;
    right: 24px;
    bottom: 32px;
    z-index: 999;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    letter-spacing: 1px;
}
.pi-current { color: var(--accent); font-weight: 700; }
.pi-sep { margin: 0 2px; }

/* Active nav link */
.nav-links a.active {
    color: var(--accent);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .gateway-grid { grid-template-columns: 1fr; }
    .tools-grid { grid-template-columns: repeat(2, 1fr); }
    .skill-cards { grid-template-columns: repeat(2, 1fr); }
    .skills-arch { grid-template-columns: 1fr; }
    .integrations-grid { grid-template-columns: repeat(2, 1fr); }
    .agent-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .loop-visualization { grid-template-columns: 1fr; }
    .tools-grid { grid-template-columns: 1fr; }
    .skill-cards { grid-template-columns: 1fr; }
    .scenario-demo { grid-template-columns: 1fr; }
    .sandbox-grid { grid-template-columns: 1fr; }
    .integrations-grid { grid-template-columns: 1fr; }
    .sequence-diagram { grid-template-columns: 80px 1fr 80px; }
    .install-box { flex-wrap: wrap; font-size: 0.75rem; }

    /* Mobile: normal scroll instead of fullpage */
    html, body {
        overflow: auto;
        height: auto;
    }
    .fullpage-wrapper {
        height: auto;
        overflow: visible;
    }
    .fullpage-sections {
        transition: none !important;
        transform: none !important;
    }
    .fp-section {
        height: auto;
        min-height: 100vh;
        overflow: visible;
    }
    .fp-section > .container {
        overflow: visible;
        padding: 80px 16px 40px;
    }
    .page-dots { display: none; }
    .page-indicator { display: none; }
    .hero { height: auto; min-height: 100vh; padding: 100px 16px 40px; }
}