/* Parallex - Cohere-inspired Design */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #000000;
    --surface: #0a0a0a;
    --surface-2: #111111;
    --surface-3: #181818;
    --accent: #00d4ff;
    --accent-2: #667eea;
    --accent-glow: rgba(0, 212, 255, 0.15);
    --accent-glow-2: rgba(102, 126, 234, 0.15);
    --text: #ffffff;
    --text-2: rgba(255, 255, 255, 0.7);
    --text-3: rgba(255, 255, 255, 0.45);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --container: 1200px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--primary);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

/* ========================================
   NAVIGATION
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 2rem;
    transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--border);
}

.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    line-height: 1;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.03em;
}

.logo-sub {
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--text-3);
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-2);
    text-decoration: none;
    transition: color var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--text);
}

.nav-link-cta {
    background: var(--text);
    color: var(--primary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition);
}

.nav-link-cta:hover {
    color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
}

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   BUTTONS
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: var(--text);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow), 0 4px 15px var(--accent-glow-2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    border: 1px solid var(--border-hover);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ========================================
   SECTION LABELS & HEADINGS
======================================== */
.section-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
}

.section-heading {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--text);
    margin-bottom: 3rem;
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 8rem 2rem 4rem;
}

.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, var(--accent-glow) 0%, var(--accent-glow-2) 30%, transparent 70%);
    opacity: 0.6;
    pointer-events: none;
    filter: blur(80px);
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 850px;
    z-index: 1;
}

.hero-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-title {
    font-size: clamp(2.8rem, 7vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero-gradient {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 400;
    color: var(--text-2);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 6px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    animation: scrollMouse 2s ease-in-out infinite;
}

@keyframes scrollMouse {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

.scroll-text {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

/* ========================================
   VALUE PROPS
======================================== */
.value-props {
    padding: 8rem 0;
    position: relative;
}

.props-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.prop-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.prop-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.prop-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--accent-glow), var(--accent-glow-2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.prop-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.prop-desc {
    font-size: 0.95rem;
    color: var(--text-3);
    line-height: 1.7;
}

/* ========================================
   PRODUCTS SECTION
======================================== */
.products {
    padding: 8rem 0;
    position: relative;
}

.product-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 3rem;
    background: var(--surface-2);
    padding: 0.35rem;
    border-radius: var(--radius-full);
    width: fit-content;
    border: 1px solid var(--border);
}

.product-tab {
    padding: 0.7rem 1.75rem;
    border-radius: var(--radius-full);
    border: none;
    background: transparent;
    color: var(--text-3);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.product-tab:hover {
    color: var(--text-2);
}

.product-tab.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: var(--text);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.product-panel {
    display: none;
    grid-template-columns: 1fr 1.3fr;
    gap: 3rem;
    align-items: center;
    animation: fadeIn 0.5s ease;
}

.product-panel.active {
    display: grid;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.product-name {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    color: var(--text);
}

.product-tagline {
    font-size: 1.05rem;
    color: var(--text-2);
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.product-features li {
    position: relative;
    padding: 0.75rem 0 0.75rem 1.5rem;
    font-size: 0.95rem;
    color: var(--text-2);
    line-height: 1.6;
    border-bottom: 1px solid var(--border);
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.1rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.product-features li strong {
    color: var(--text);
}

/* Product Visuals */
.product-card-visual {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
    margin-left: 2rem;
}

.visual-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--surface-3);
    border-bottom: 1px solid var(--border);
}

.visual-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.visual-dot.red { background: #ff5f57; }
.visual-dot.yellow { background: #febc2e; }
.visual-dot.green { background: #28c840; }

.visual-title {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--text-3);
    font-weight: 500;
}

.visual-body {
    padding: 2rem;
}

.visual-body-img {
    padding: 0;
}

.product-screenshot {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.visual-stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.visual-stat {
    text-align: center;
    padding: 1rem;
    background: var(--surface-3);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.stat-number {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-3);
    margin-top: 0.25rem;
    font-weight: 500;
}

/* Bar Chart Visual */
.visual-bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    height: 140px;
    padding-top: 1rem;
}

.visual-bar-chart .bar {
    flex: 1;
    height: var(--height);
    background: linear-gradient(to top, var(--accent), var(--accent-2));
    border-radius: 6px 6px 0 0;
    position: relative;
    opacity: 0.8;
    transition: opacity var(--transition);
}

.visual-bar-chart .bar:hover {
    opacity: 1;
}

.visual-bar-chart .bar span {
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    color: var(--text-3);
    white-space: nowrap;
}

/* Threat List Visual */
.visual-threat-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.threat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--surface-3);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.threat-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.threat-item.safe .threat-status { background: #28c840; box-shadow: 0 0 8px rgba(40, 200, 64, 0.4); }
.threat-item.warning .threat-status { background: #febc2e; box-shadow: 0 0 8px rgba(254, 188, 46, 0.4); }

.threat-name {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-2);
}

.threat-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.threat-badge.safe {
    background: rgba(40, 200, 64, 0.15);
    color: #28c840;
}

.threat-badge.warning {
    background: rgba(254, 188, 46, 0.15);
    color: #febc2e;
}

/* Steps Visual */
.visual-steps {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.7rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: border-color var(--transition);
}

.step-item.completed {
    background: rgba(40, 200, 64, 0.05);
    border-color: rgba(40, 200, 64, 0.2);
}

.step-item.active {
    background: var(--accent-glow);
    border-color: rgba(0, 212, 255, 0.3);
}

.step-item.pending {
    opacity: 0.4;
}

.step-number {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-item.completed .step-number {
    background: #28c840;
    color: #000;
}

.step-item.active .step-number {
    background: var(--accent);
    color: #000;
}

.step-item.pending .step-number {
    background: var(--surface-3);
    color: var(--text-3);
    border: 1px solid var(--border);
}

.step-text {
    font-size: 0.85rem;
    color: var(--text-2);
}

/* ========================================
   ABOUT SECTION
======================================== */
.about {
    padding: 8rem 0;
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-2);
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

/* About Pillars */
.about-pillars {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.pillar {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--transition), transform var(--transition);
}

.pillar:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.pillar-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.pillar-icon img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.pillar-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.3rem;
}

.pillar-desc {
    font-size: 0.88rem;
    color: var(--text-3);
    line-height: 1.6;
}

/* About Graphic */
.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-video-wrapper {
    width: 100%;
    max-width: 650px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
}

.about-video {
    width: 100%;
    height: 450px;
    object-fit: cover;
    display: block;
}

.about-graphic {
    position: relative;
    width: 300px;
    height: 300px;
}

.graphic-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--border);
}

.ring-1 {
    inset: 0;
    animation: ringRotate 20s linear infinite;
    border-color: rgba(0, 212, 255, 0.15);
}

.ring-2 {
    inset: 30px;
    animation: ringRotate 15s linear infinite reverse;
    border-color: rgba(102, 126, 234, 0.15);
}

.ring-3 {
    inset: 60px;
    animation: ringRotate 10s linear infinite;
    border-color: rgba(0, 212, 255, 0.1);
}

.ring-1::after,
.ring-2::after,
.ring-3::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
}

.ring-1::after { background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.ring-2::after { background: var(--accent-2); box-shadow: 0 0 12px var(--accent-2); }
.ring-3::after { background: var(--accent); box-shadow: 0 0 12px var(--accent); }

@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.graphic-center {
    position: absolute;
    inset: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--accent);
}

/* ========================================
   TECHNOLOGY APPROACH
======================================== */
.tech-approach {
    padding: 8rem 0;
    position: relative;
    background: var(--surface);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.tech-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.tech-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.tech-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tech-icon img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.tech-text {
    flex: 1;
    min-width: 0;
}

.tech-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.tech-desc {
    font-size: 0.92rem;
    color: var(--text-3);
    line-height: 1.7;
}

/* ========================================
   PRODUCT STATUS BADGES
======================================== */
.product-badge-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.product-badge-row .product-badge {
    margin-bottom: 0;
}

.product-status {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.product-status.live {
    background: rgba(40, 200, 64, 0.15);
    color: #28c840;
    border: 1px solid rgba(40, 200, 64, 0.25);
}

.product-status.dev {
    background: rgba(254, 188, 46, 0.12);
    color: #febc2e;
    border: 1px solid rgba(254, 188, 46, 0.2);
}

/* ========================================
   VISUAL - CHECKLIST
======================================== */
.visual-checklist {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1rem;
    border-radius: var(--radius);
    background: var(--surface-3);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-2);
}

.check-item.done {
    border-color: rgba(40, 200, 64, 0.2);
}

.check-item.progress {
    border-color: rgba(254, 188, 46, 0.2);
}

.check-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #28c840;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}

.check-icon-progress {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid #febc2e;
    border-top-color: transparent;
    flex-shrink: 0;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   VISUAL - PROTOCOLS & MODES
======================================== */
.visual-protocols {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.protocol-tag {
    padding: 0.45rem 1rem;
    background: var(--surface-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.03em;
}

.visual-modes {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mode-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    background: var(--surface-3);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.mode-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.mode-dot.live {
    background: #28c840;
    box-shadow: 0 0 8px rgba(40, 200, 64, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

.mode-dot.playback {
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.mode-dot.sim {
    background: var(--accent-2);
    box-shadow: 0 0 8px var(--accent-glow-2);
}

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

.mode-name {
    font-size: 0.85rem;
    color: var(--text-2);
    font-weight: 500;
}

/* ========================================
   HOW TO START
======================================== */
.how-to-start {
    padding: 8rem 0;
    position: relative;
    background: var(--surface);
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    gap: 0;
    justify-content: center;
}

.start-step {
    flex: 1;
    max-width: 320px;
    text-align: center;
    padding: 2rem 1.5rem;
}

.step-number-big {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 30px var(--accent-glow);
}

.start-step .step-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.start-step .step-desc {
    font-size: 0.92rem;
    color: var(--text-3);
    line-height: 1.7;
}

.steps-connector {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    margin-top: 4.5rem;
    flex-shrink: 0;
    opacity: 0.4;
}

/* ========================================
   CONTACT INFO LIST
======================================== */
.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: border-color var(--transition), transform var(--transition);
    color: inherit;
}

a.contact-info-item:hover {
    border-color: var(--accent);
    transform: translateX(4px);
}

.contact-info-item svg {
    color: var(--accent);
    flex-shrink: 0;
}

.info-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.info-value {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    margin-top: 0.15rem;
}

/* ========================================
   FOOTER EXTRAS
======================================== */
.footer-logo-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.25rem;
}

.footer-logo-sub {
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--text-3);
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.footer-location {
    font-size: 0.85rem;
    color: var(--text-3);
    margin-top: 0.75rem;
}

/* ========================================
   DEMO / VIDEO SECTION
======================================== */
.demo-section {
    padding: 8rem 0;
    text-align: center;
    position: relative;
}

.demo-desc {
    font-size: 1.05rem;
    color: var(--text-2);
    max-width: 550px;
    margin: -1.5rem auto 3rem;
    line-height: 1.7;
}

.demo-video-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.demo-video-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
}

.video-card-header {
    display: flex;
    align-items: center;
    padding: 12px 18px;
    background: var(--surface-3);
    border-bottom: 1px solid var(--border);
}

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

.vdot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.vdot.red { background: #ff5f57; }
.vdot.yellow { background: #febc2e; }
.vdot.green { background: #28c840; }

.video-card-title {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-3);
    font-weight: 500;
}

.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #000;
}

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

/* ========================================
   CONTACT SECTION
======================================== */
.contact {
    padding: 8rem 0;
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-text {
    font-size: 1.05rem;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-email-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
    padding: 1rem 1.5rem;
    background: var(--accent-glow);
    border-radius: var(--radius);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.contact-email-link:hover {
    color: var(--text);
    border-color: var(--accent);
}

.contact-email-link svg {
    flex-shrink: 0;
}

/* Contact Form */
.contact-form {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--surface-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--surface-2);
    color: var(--text);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ========================================
   FOOTER
======================================== */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.03em;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-3);
    margin-top: 0.75rem;
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.footer-col a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-3);
    text-decoration: none;
    padding: 0.35rem 0;
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--text);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-3);
}

/* ========================================
   ANIMATIONS (scroll reveal)
======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 1024px) {
    .product-panel {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .product-tabs {
        flex-wrap: wrap;
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-visual {
        order: -1;
    }

    .about-video-wrapper {
        max-width: 100%;
    }

    .about-video {
        height: 350px;
    }

    .product-card-visual {
        margin-left: 0;
    }

    .about-graphic {
        width: 240px;
        height: 240px;
    }

    .ring-3 { inset: 50px; }
    .graphic-center { inset: 75px; }

    .steps-grid {
        flex-direction: column;
        align-items: center;
    }

    .steps-connector {
        width: 2px;
        height: 40px;
        margin-top: 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link-cta {
        text-align: center;
        width: 100%;
    }

    .hero {
        padding: 7rem 1.5rem 3rem;
        min-height: 90vh;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

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

    .prop-card {
        padding: 2rem 1.5rem;
    }

    .section-heading {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: 2rem;
    }

    .product-tabs {
        width: 100%;
        justify-content: center;
    }

    .product-tab {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
    }

    .product-panel.active {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

    .product-name {
        font-size: 1.8rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .about-stat {
        display: flex;
        align-items: center;
        gap: 1rem;
        text-align: left;
        padding: 1rem 1.25rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

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

    .container {
        padding: 0 1.25rem;
    }

    .value-props,
    .products,
    .about,
    .demo-section,
    .contact,
    .tech-approach,
    .how-to-start {
        padding: 5rem 0;
    }

    .tech-grid {
        gap: 1rem;
    }

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

    .tech-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .about-video {
        height: 280px;
    }

    .about-video-wrapper {
        max-width: 100%;
    }

    .product-screenshot {
        height: auto;
    }

    .pillar {
        padding: 1rem 1.25rem;
    }

    .start-step {
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .about-video {
        height: 200px;
    }

    .product-tab {
        padding: 0.5rem 0.8rem;
        font-size: 0.72rem;
    }

    .product-name {
        font-size: 1.5rem;
    }

    .product-tagline {
        font-size: 0.88rem;
    }

    .visual-header {
        padding: 6px 10px;
    }

    .visual-title {
        font-size: 0.6rem;
    }

    .pillar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .pillar-icon {
        width: 40px;
        height: 40px;
    }

    .pillar-icon img {
        width: 40px;
        height: 40px;
    }

    .contact-info-items {
        flex-direction: column;
        gap: 1rem;
    }

    .about-graphic {
        width: 200px;
        height: 200px;
    }

    .ring-2 { inset: 25px; }
    .ring-3 { inset: 45px; }
    .graphic-center { inset: 65px; }
}