/* ═══════════════════════════════════════════
   MARKETMIND LANDING — CLEAN LIGHT THEME
   ═══════════════════════════════════════════ */

:root {
    --bg-primary:    #ffffff;
    --bg-secondary:  #f8faf9;
    --bg-tertiary:   #f0f4f2;
    --bg-card:       #ffffff;
    --bg-card-hover: #f8faf9;
    --border:        #e2e8e4;
    --border-light:  #edf2ef;
    --accent:        #00b86c;
    --accent-dark:   #009958;
    --accent-light:  #e6f7ef;
    --accent-glow:   rgba(0, 184, 108, 0.08);
    --text-primary:  #0f1714;
    --text-secondary:#4a5a52;
    --text-muted:    #7a8a80;
    --text-light:    #a0aba4;
    --white:         #ffffff;
    --shadow-sm:     0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:     0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg:     0 8px 32px rgba(0,0,0,0.08);
    --shadow-xl:     0 16px 48px rgba(0,0,0,0.1);
    --font-sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono:     'JetBrains Mono', 'Fira Code', monospace;
    --container:     1200px;
    --radius:        16px;
    --radius-sm:     10px;
    --radius-xs:     8px;
    --radius-full:   100px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: clip;
    max-width: 100vw;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ── UTILITIES ─────────────────────────── */

.section-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-accent { color: var(--accent); }

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--accent);
    background: var(--accent-light);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.25rem;
}

.section-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.25rem, 4.5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ── BUTTONS ───────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 550;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 1px 2px rgba(0, 184, 108, 0.2);
}

.btn-primary:hover {
    background: var(--accent-dark);
    box-shadow: 0 4px 16px rgba(0, 184, 108, 0.25);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
}

/* ── NAVBAR ────────────────────────────── */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: 0.7rem 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.logo-img {
    height: 32px;
    width: auto;
}

.logo-text {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.25rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color 0.2s;
    font-weight: 450;
}

.nav-links a:hover { color: var(--text-primary); }

.nav-cta {
    background: var(--accent) !important;
    color: #ffffff !important;
    padding: 0.5rem 1.15rem !important;
    border-radius: var(--radius-xs);
    font-weight: 550 !important;
}

.nav-cta:hover {
    background: var(--accent-dark) !important;
    box-shadow: 0 2px 8px rgba(0, 184, 108, 0.25);
}

.nav-contact-btn {
    background: var(--accent) !important;
    color: #ffffff !important;
    padding: 0.5rem 1.15rem !important;
    border-radius: var(--radius-xs);
    font-weight: 550 !important;
    cursor: pointer;
}

.nav-contact-btn:hover {
    background: var(--accent-dark) !important;
    box-shadow: 0 2px 8px rgba(0, 184, 108, 0.25);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Nav Overlay ── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    top: 56px;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* ── HERO ──────────────────────────────── */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 5rem;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    max-width: 100%;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 184, 108, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 184, 108, 0.04) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-glow {
    position: absolute;
    top: -15%;
    left: 50%;
    transform: translateX(-50%);
    width: min(900px, 100vw);
    height: min(900px, 100vw);
    background: radial-gradient(circle, rgba(0, 184, 108, 0.06) 0%, transparent 55%);
    pointer-events: none;
}

.hero-container {
    position: relative;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-light);
    border: 1px solid rgba(0, 184, 108, 0.15);
    padding: 0.45rem 1.2rem;
    border-radius: var(--radius-full);
    margin-bottom: 2.25rem;
    animation: fadeInUp 0.6s ease;
}

.hero-badge::before {
    content: '';
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(3.25rem, 7.5vw, 5.75rem);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.035em;
    margin-bottom: 1.75rem;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-highlight {
    background: linear-gradient(135deg, var(--accent) 0%, #00d97a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto 3rem;
    line-height: 1.75;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 5rem;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 5rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.4s both;
    padding-top: 3rem;
    border-top: 1px solid var(--border-light);
}

.stat { text-align: center; }

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    display: block;
}

/* ── FEATURES ──────────────────────────── */

.features {
    padding: 8rem 0;
    overflow: hidden;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.25rem 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 650;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.feature-tag {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    background: var(--accent-light);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-xs);
    display: inline-block;
}

/* ── MCP INTEGRATION ───────────────────── */

.mcp {
    padding: 8rem 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.mcp-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.mcp-content .section-tag { margin-bottom: 1.25rem; }

.mcp-content .section-title {
    text-align: left;
    margin-bottom: 1.25rem;
}

.mcp-content .section-desc {
    text-align: left;
    margin: 0 0 2rem;
}

.mcp-points {
    list-style: none;
    margin-bottom: 2.5rem;
}

.mcp-points li {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.65rem 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.mcp-check {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

/* ── CODE WINDOW ───────────────────────── */

.code-window {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    min-width: 0;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.15rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.code-dots span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--border);
}

.code-dots span:first-child { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #febc2e; }
.code-dots span:nth-child(3) { background: #28c840; }

.code-filename {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.code-block {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.75;
    overflow-x: auto;
    color: var(--text-secondary);
    background: var(--bg-primary);
    max-width: 100%;
}

.code-key    { color: #0e7c61; }
.code-string { color: var(--accent); }
.code-comment { color: var(--text-light); font-style: italic; }
.code-output { color: var(--text-muted); }

/* ── INTEGRATION CHANNELS ──────────────── */

.channels {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    align-items: start;
    min-width: 0;
}

.channel-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    transition: all 0.3s ease;
    min-width: 0;
    overflow: hidden;
}

.channel-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
}

.channel-card-highlight {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--accent-light) 100%);
}

.channel-card-highlight:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 24px rgba(0, 184, 108, 0.12);
}

.channel-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    background: var(--accent-light);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-xs);
    margin-bottom: 1.25rem;
}

.channel-badge-new {
    background: var(--accent);
    color: #ffffff;
}

.channel-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.channel-card > p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.channel-features {
    list-style: none;
    margin-bottom: 2rem;
}

.channel-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.channel-check {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.channel-code {
    margin-bottom: 2rem;
    min-width: 0;
}

.channel-code .code-window {
    margin: 0;
    min-width: 0;
}

.channel-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ── USE CASES ─────────────────────────── */

.use-cases {
    padding: 8rem 0;
    overflow: hidden;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.use-case-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.use-case-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.use-case-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-light);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xs);
    margin-bottom: 1.5rem;
}

.use-case-card h3 {
    font-size: 1.2rem;
    font-weight: 650;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.use-case-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.use-case-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.use-case-tags span {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--accent-dark);
    background: var(--accent-light);
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-full);
}

/* ── DEVELOPERS ────────────────────────── */

.developers {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.dev-layout {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 4rem;
    align-items: center;
}

.dev-content .section-tag { margin-bottom: 1.25rem; }

.dev-content .section-title {
    text-align: left;
    margin-bottom: 1.25rem;
}

.dev-content .section-desc {
    text-align: left;
    margin: 0 0 2rem;
}

.dev-steps {
    margin-bottom: 2.5rem;
}

.dev-step {
    display: flex;
    gap: 1.15rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
}

.dev-step:last-child { border-bottom: none; }

.step-num {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.step-info h4 {
    font-size: 0.95rem;
    font-weight: 650;
    margin-bottom: 0.2rem;
}

.step-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.dev-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ── UNIFIED IDENTITY SECTION ──────────── */

.unified {
    padding: 8rem 0;
    overflow: hidden;
}

.unified-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.unified-content .section-tag { margin-bottom: 1.25rem; }

.unified-content .section-title {
    text-align: left;
    margin-bottom: 1.25rem;
}

.unified-content .section-desc {
    text-align: left;
    margin: 0 0 2rem;
}

.unified-points {
    list-style: none;
    margin-bottom: 0;
}

.unified-points li {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.65rem 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.unified-check {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

/* ── Unified Key Card ── */

.unified-key-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.unified-key-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--accent) 0%, rgba(0, 184, 108, 0.2) 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.unified-key-card:hover::before {
    opacity: 1;
}

.unified-key-header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.unified-key-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.unified-key-value {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xs);
    padding: 0.85rem 1rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

.unified-key-channels {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-light);
}

.unified-channel {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-light);
    border: 1px solid rgba(0, 184, 108, 0.2);
    border-radius: var(--radius-xs);
    padding: 0.55rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-dark);
}

.unified-channel-icon {
    display: flex;
    align-items: center;
    color: var(--accent);
}

.unified-channel-plus {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
}

/* ── UNIFIED BANNER (inside Integrations) ── */

.unified-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    background: linear-gradient(135deg, var(--accent-light) 0%, rgba(0, 184, 108, 0.06) 100%);
    border: 1px solid rgba(0, 184, 108, 0.2);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.5rem;
    margin-bottom: 2.5rem;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 550;
    color: var(--accent-dark);
}

.unified-banner svg {
    flex-shrink: 0;
    color: var(--accent);
}

/* ── FOOTER ────────────────────────────── */

.footer {
    padding: 4.5rem 0 2.5rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.85rem;
    max-width: 300px;
    line-height: 1.65;
}

.footer-links h4 {
    font-size: 0.78rem;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-primary);
    margin-bottom: 1.15rem;
}

.footer-links ul { list-style: none; }

.footer-links li { margin-bottom: 0.6rem; }

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-light);
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    font-size: 0.8rem;
    color: var(--text-light);
    transition: color 0.2s;
}

.footer-bottom-links a:hover { color: var(--accent); }

/* ── ANIMATIONS ────────────────────────── */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════════════════════════════════════
   RESPONSIVE — ADVANCED BREAKPOINTS
   ═══════════════════════════════════════════ */

/* ── 1200px — Small desktops / large tablets ── */

@media (max-width: 1200px) {
    .section-container {
        padding: 0 1.5rem;
    }

    .nav-container {
        padding: 0 1.5rem;
    }

    .hero-container {
        padding: 0 1.5rem;
    }

    .features-grid {
        gap: 1rem;
    }

    .feature-card {
        padding: 1.75rem 1.5rem;
    }

    .channels-grid {
        gap: 1.25rem;
    }

    .channel-card {
        padding: 2rem;
    }

    .use-case-card {
        padding: 2rem;
    }

    .unified-layout {
        gap: 3rem;
    }

    .unified-key-card {
        padding: 1.5rem;
    }

    .footer-grid {
        gap: 2rem;
    }
}

/* ── 1024px — Tablets landscape ── */

@media (max-width: 1024px) {
    :root {
        --container: 100%;
    }

    .features {
        padding: 6rem 0;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .channels-grid {
        grid-template-columns: 1fr;
        max-width: 560px;
        margin: 0 auto;
    }

    .mcp-layout,
    .dev-layout,
    .unified-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .mcp-content .section-title,
    .mcp-content .section-desc,
    .dev-content .section-title,
    .dev-content .section-desc,
    .unified-content .section-title,
    .unified-content .section-desc {
        text-align: center;
    }

    .mcp-points li,
    .unified-points li {
        justify-content: center;
    }

    .mcp-content .btn,
    .dev-buttons {
        justify-content: center;
    }

    .use-cases {
        padding: 6rem 0;
    }

    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .unified {
        padding: 6rem 0;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

/* ── 768px — Tablets portrait ── */

@media (max-width: 768px) {
    .section-container {
        padding: 0 1.25rem;
    }

    .nav-container {
        padding: 0 1.25rem;
    }

    .nav-links {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        padding: 0.5rem 0;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.3s ease, opacity 0.25s ease, visibility 0.25s ease;
        box-shadow: var(--shadow-lg);
        z-index: 1001;
        max-height: calc(100vh - 56px);
        overflow-y: auto;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: flex;
        align-items: center;
        padding: 0.85rem 1.5rem;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-secondary);
        transition: color 0.2s ease, background 0.2s ease;
    }

    .nav-links a:hover {
        color: var(--accent);
        background: var(--accent-light);
    }

    .nav-contact-btn {
        background: var(--accent) !important;
        color: #ffffff !important;
        margin: 0.5rem 1.5rem;
        border-radius: var(--radius-xs);
        justify-content: center;
        font-weight: 550 !important;
    }

    .nav-contact-btn:hover {
        background: var(--accent-dark) !important;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-overlay {
        display: block;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding: 7rem 0 3.5rem;
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 3.5rem);
    }

    .hero-subtitle {
        font-size: 1rem;
        max-width: 480px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .hero-stats {
        gap: 2rem;
        padding-top: 2rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    /* Features */
    .features {
        padding: 5rem 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    /* Channels */
    .channels {
        padding: 5rem 0;
    }

    .channels-grid {
        max-width: 100%;
    }

    .channel-card {
        padding: 1.75rem;
        min-width: 0;
        overflow: hidden;
    }

    .channel-card h3 {
        font-size: 1.3rem;
    }

    .code-block {
        font-size: 0.72rem;
        padding: 1.25rem;
    }

    /* Use Cases */
    .use-cases {
        padding: 5rem 0;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .use-case-card {
        padding: 1.75rem;
    }

    /* Unified */
    .unified {
        padding: 5rem 0;
    }

    .unified-key-card {
        padding: 1.5rem;
    }

    .unified-key-value {
        font-size: 0.78rem;
        word-break: break-all;
    }

    .unified-key-channels {
        flex-direction: column;
        gap: 0.75rem;
    }

    .unified-channel-plus {
        display: none;
    }

    /* Footer */
    .footer {
        padding: 3.5rem 0 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
        padding-top: 2rem;
    }
}

/* ── 480px — Mobile phones ── */

@media (max-width: 480px) {
    .section-container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .nav-links {
        width: 100%;
    }

    /* Hero */
    .hero {
        padding: 6rem 0 2.5rem;
    }

    .hero-badge {
        font-size: 0.72rem;
        padding: 0.35rem 0.9rem;
        margin-bottom: 1.5rem;
    }

    .hero-title {
        font-size: clamp(2rem, 9vw, 2.75rem);
        margin-bottom: 1.25rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: 2rem;
    }

    .hero-stats {
        gap: 1.25rem;
        flex-direction: column;
        align-items: center;
    }

    .stat {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .stat-value {
        font-size: 1.3rem;
    }

    .stat-label {
        margin-top: 0;
        font-size: 0.75rem;
    }

    /* Buttons */
    .btn {
        padding: 0.7rem 1.3rem;
        font-size: 0.85rem;
    }

    .btn-large {
        padding: 0.85rem 1.5rem;
        font-size: 0.9rem;
    }

    /* Features */
    .features {
        padding: 4rem 0;
    }

    .feature-card {
        padding: 1.5rem 1.25rem;
    }

    .feature-icon {
        width: 42px;
        height: 42px;
        margin-bottom: 1.25rem;
    }

    .feature-icon svg {
        width: 22px;
        height: 22px;
    }

    .feature-card h3 {
        font-size: 1rem;
    }

    .feature-card p {
        font-size: 0.85rem;
    }

    /* Channels */
    .channels {
        padding: 4rem 0;
    }

    .channels-grid {
        max-width: 100%;
    }

    .channel-card {
        padding: 1.5rem 1.25rem;
        min-width: 0;
        overflow: hidden;
    }

    .channel-features li {
        font-size: 0.85rem;
    }

    .channel-actions {
        flex-direction: column;
    }

    .channel-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .code-block {
        font-size: 0.68rem;
        padding: 1rem;
        line-height: 1.6;
    }

    /* Use Cases */
    .use-cases {
        padding: 4rem 0;
    }

    .use-case-card {
        padding: 1.5rem 1.25rem;
    }

    .use-case-card h3 {
        font-size: 1.05rem;
    }

    .use-case-card p {
        font-size: 0.85rem;
    }

    /* Unified */
    .unified {
        padding: 4rem 0;
    }

    .unified-content .section-title {
        font-size: clamp(1.6rem, 6vw, 2rem);
    }

    .unified-key-card {
        padding: 1.25rem;
    }

    .unified-key-value {
        font-size: 0.72rem;
        padding: 0.7rem 0.85rem;
    }

    .unified-channel {
        padding: 0.45rem 0.85rem;
        font-size: 0.75rem;
    }

    .unified-banner {
        font-size: 0.78rem;
        padding: 0.75rem 1rem;
        flex-direction: column;
        gap: 0.35rem;
    }

    /* Section Headers */
    .section-header {
        margin-bottom: 2.5rem;
    }

    .section-title {
        font-size: clamp(1.6rem, 6vw, 2rem);
    }

    .section-desc {
        font-size: 0.95rem;
    }

    /* Footer */
    .footer {
        padding: 3rem 0 1.5rem;
    }

    .footer-brand p {
        font-size: 0.82rem;
    }

    .footer-links h4 {
        font-size: 0.72rem;
    }

    .footer-links li {
        margin-bottom: 0.6rem;
    }

    .footer-links a {
        font-size: 0.85rem;
    }
}

/* ── 360px — Small phones ── */

@media (max-width: 360px) {
    .hero-title {
        font-size: 1.85rem;
    }

    .hero-subtitle {
        font-size: 0.85rem;
    }

    .hero-stats {
        gap: 1rem;
    }

    .stat-value {
        font-size: 1.15rem;
    }

    .btn {
        padding: 0.6rem 1.1rem;
        font-size: 0.8rem;
    }

    .feature-card {
        padding: 1.25rem 1rem;
    }

    .channel-card {
        padding: 1.25rem 1rem;
    }

    .use-case-card {
        padding: 1.25rem 1rem;
    }

    .unified-key-card {
        padding: 1rem;
    }

    .unified-key-channels {
        gap: 0.5rem;
    }

    .unified-channel {
        padding: 0.4rem 0.7rem;
        font-size: 0.7rem;
    }

    .footer-grid {
        gap: 1.5rem;
    }
}