/* ==========================================================================
   MARK Landing Page Styles
   Following AIMatric Design System
   ========================================================================== */

/* Hero Section */
.mark-hero {
    padding: 100px 0 80px;
    background: var(--teal-900);
    color: var(--white);
    overflow: hidden;
    min-height: 600px;
    position: relative;
}

/* Animated background gradient */
.mark-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(249, 115, 22, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(20, 184, 166, 0.1) 0%, transparent 50%);
    animation: heroGradientShift 15s ease-in-out infinite alternate;
}

@keyframes heroGradientShift {
    0% { opacity: 0.5; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.1); }
}

/* Floating particles */
.mark-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 10% 20%, rgba(251, 146, 60, 0.4) 50%, transparent 50%),
        radial-gradient(2px 2px at 30% 70%, rgba(251, 146, 60, 0.3) 50%, transparent 50%),
        radial-gradient(2px 2px at 60% 30%, rgba(78, 206, 224, 0.3) 50%, transparent 50%),
        radial-gradient(2px 2px at 80% 80%, rgba(251, 146, 60, 0.4) 50%, transparent 50%),
        radial-gradient(2px 2px at 90% 10%, rgba(78, 206, 224, 0.3) 50%, transparent 50%);
    animation: particleFloat 20s linear infinite;
    pointer-events: none;
}

@keyframes particleFloat {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-100px) rotate(360deg); }
}

.mark-hero .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 500px;
    position: relative;
    z-index: 1;
}

.mark-hero .hero-content {
    max-width: 560px;
}

.mark-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: var(--teal-200);
    margin-bottom: 24px;
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.4); }
    50% { box-shadow: 0 0 20px 5px rgba(249, 115, 22, 0.2); }
}

.mark-hero .badge-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    color: var(--white);
}

.mark-hero h1 {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--teal-300), var(--orange-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-highlight {
    color: var(--orange-400);
}

.mark-hero .hero-subtitle {
    font-size: 18px;
    color: var(--gray-300);
    margin-bottom: 32px;
    line-height: 1.7;
}

/* Hero Metrics */
.hero-metrics {
    display: flex;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.hero-metric {
    display: flex;
    flex-direction: column;
}

.hero-metric .metric-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--orange-400);
    line-height: 1;
}

.hero-metric .metric-label {
    font-size: 14px;
    color: var(--gray-300);
    margin-top: 4px;
}

/* Hero Buttons */
.mark-hero .hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.mark-hero .btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.mark-hero .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.mark-hero .hero-cta-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--success);
}

.mark-hero .hero-cta-note svg {
    flex-shrink: 0;
}

/* Hero Visual - Marketing Engine Animation */
.hero-visual {
    position: relative;
    height: 500px;
}

.mark-engine {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Input Sources */
.input-sources {
    position: absolute;
    top: 10%;
    left: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    font-size: 13px;
    color: var(--white);
    animation: slideInLeft 0.6s ease-out both, floatUpDown 4s ease-in-out infinite;
    backdrop-filter: blur(10px);
}

.source-item.s1 { animation-delay: 0.1s, 0s; }
.source-item.s2 { animation-delay: 0.2s, 0.5s; }
.source-item.s3 { animation-delay: 0.3s, 1s; }
.source-item.s4 { animation-delay: 0.4s, 1.5s; }

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.source-item span:first-child {
    font-size: 18px;
}

.source-label {
    font-weight: 500;
}

/* AI Core */
.mark-engine .ai-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
}

.mark-engine .hub-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(78, 206, 224, 0.3);
    border-radius: 50%;
}

.mark-engine .hub-ring.r1 {
    width: 140px;
    height: 140px;
    animation: pulse-ring 2s ease-in-out infinite;
}

.mark-engine .hub-ring.r2 {
    width: 180px;
    height: 180px;
    animation: pulse-ring 2s ease-in-out infinite 0.5s;
}

@keyframes pulse-ring {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.05); }
}

.mark-engine .hub-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--teal-600), var(--teal-800));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 40px rgba(78, 206, 224, 0.4);
    animation: coreGlow 3s ease-in-out infinite alternate;
}

@keyframes coreGlow {
    0% { box-shadow: 0 0 40px rgba(78, 206, 224, 0.4), 0 0 60px rgba(249, 115, 22, 0.1); }
    100% { box-shadow: 0 0 60px rgba(78, 206, 224, 0.6), 0 0 80px rgba(249, 115, 22, 0.2); }
}

.mark-avatar {
    font-size: 42px;
    font-weight: 800;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.mark-avatar-img{
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

/* Output Results */
.output-results {
    position: absolute;
    top: 10%;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 10px;
    animation: slideInRight 0.6s ease-out both, floatUpDownAlt 4s ease-in-out infinite;
    backdrop-filter: blur(10px);
}

.result-item:nth-child(1) { animation-delay: 0.3s, 0.3s; }
.result-item:nth-child(2) { animation-delay: 0.4s, 0.8s; }
.result-item:nth-child(3) { animation-delay: 0.5s, 1.3s; }
.result-item:nth-child(4) { animation-delay: 0.6s, 1.8s; }

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes floatUpDownAlt {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.result-icon {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.result-icon.leads { background: rgba(249, 115, 22, 0.2); }
.result-icon.content { background: rgba(78, 206, 224, 0.2); }
.result-icon.campaigns { background: rgba(147, 51, 234, 0.2); }
.result-icon.revenue { background: rgba(16, 185, 129, 0.2); }

.result-count {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--success);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    animation: countPulse 2s ease-in-out infinite;
}

@keyframes countPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.result-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--white);
}

/* Data Flow Animation */
.data-flow {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--teal-300);
    border-radius: 50%;
    opacity: 0;
    box-shadow: 0 0 10px var(--teal-300);
}

.data-flow.df1 {
    animation: flowToCenter1 3s ease-in-out infinite;
}

.data-flow.df2 {
    animation: flowToCenter2 3s ease-in-out infinite 0.75s;
}

.data-flow.df3 {
    animation: flowFromCenter1 3s ease-in-out infinite 1.5s;
}

.data-flow.df4 {
    animation: flowFromCenter2 3s ease-in-out infinite 2.25s;
}

@keyframes flowToCenter1 {
    0% { left: 15%; top: 20%; opacity: 1; }
    50% { left: 45%; top: 45%; opacity: 1; }
    51% { opacity: 0; }
    100% { opacity: 0; }
}

@keyframes flowToCenter2 {
    0% { left: 15%; top: 50%; opacity: 1; }
    50% { left: 45%; top: 50%; opacity: 1; }
    51% { opacity: 0; }
    100% { opacity: 0; }
}

@keyframes flowFromCenter1 {
    0% { left: 55%; top: 45%; opacity: 0; }
    1% { opacity: 1; }
    50% { left: 80%; top: 25%; opacity: 1; }
    51% { opacity: 0; }
    100% { opacity: 0; }
}

@keyframes flowFromCenter2 {
    0% { left: 55%; top: 55%; opacity: 0; }
    1% { opacity: 1; }
    50% { left: 80%; top: 55%; opacity: 1; }
    51% { opacity: 0; }
    100% { opacity: 0; }
}

/* Processing Stats */
.mark-engine .processing-stats {
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 32px;
    background: rgba(0, 0, 0, 0.3);
    padding: 16px 28px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mark-engine .proc-stat {
    text-align: center;
}

.mark-engine .proc-stat-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--success);
}

.mark-engine .proc-stat-label {
    font-size: 12px;
    color: var(--gray-300);
    margin-top: 2px;
}

/* Trust Bar */
.trust-bar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 32px 0;
}

.trust-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-item {
    text-align: center;
}

.trust-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--teal-700);
    line-height: 1;
}

.trust-label {
    display: block;
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* Problem Section */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.problem-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.problem-card:hover {
    background: var(--white);
    border-color: var(--orange-400);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.problem-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.problem-stat {
    font-size: 42px;
    font-weight: 800;
    color: var(--orange-500);
    line-height: 1;
    margin-bottom: 12px;
}

.problem-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.problem-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

.problem-cta {
    text-align: center;
    padding: 32px;
    background: linear-gradient(135deg, var(--teal-50), var(--gray-50));
    border-radius: 16px;
    border: 1px solid var(--teal-200);
}

.problem-cta p {
    font-size: 18px;
    color: var(--gray-700);
    margin-bottom: 20px;
}

.problem-cta strong {
    color: var(--teal-700);
}

/* Promise Section */
.promise-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.promise-headline {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.2;
}

.promise-text {
    font-size: 18px;
    color: var(--gray-300);
    margin-bottom: 48px;
    line-height: 1.7;
}

.promise-visual {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 32px;
    align-items: center;
}

.promise-before,
.promise-after {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    text-align: left;
}

.promise-before h4,
.promise-after h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.promise-before ul,
.promise-after ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.promise-before li,
.promise-after li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--gray-300);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.promise-before li:last-child,
.promise-after li:last-child {
    border-bottom: none;
}

.promise-before .cross {
    color: var(--orange-500);
    font-weight: 700;
}

.promise-after .check {
    color: var(--success);
    font-weight: 700;
}

.promise-after {
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.1);
}

.promise-arrow {
    width: 48px;
    height: 48px;
    background: var(--orange-500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.promise-arrow svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

/* Capabilities Section */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.capability-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.capability-card:hover {
    border-color: var(--teal-400);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.capability-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.capability-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--teal-100), var(--teal-50));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.capability-badge {
    background: var(--orange-500);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.capability-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.capability-tagline {
    font-size: 13px;
    color: var(--teal-600);
    font-weight: 500;
    margin-bottom: 12px;
}

.capability-desc {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 20px;
}

.capability-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.cap-feature {
    background: var(--gray-100);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    color: var(--gray-600);
}

.capability-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.cap-metric {
    text-align: center;
}

.cap-metric-value {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--teal-600);
    line-height: 1;
}

.cap-metric-label {
    display: block;
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* Capability Animations */
.capability-animation {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 40px;
    opacity: 0.3;
}

/* Content Animation */
.content-anim .typing-indicator {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
}

.content-anim .typing-indicator span {
    width: 6px;
    height: 6px;
    background: var(--teal-400);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.content-anim .typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.content-anim .typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-4px); opacity: 1; }
}

.content-anim .preview-line {
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    margin-bottom: 4px;
    animation: lineGrow 2s infinite;
}

.content-anim .preview-line.l1 { width: 100%; animation-delay: 0s; }
.content-anim .preview-line.l2 { width: 80%; animation-delay: 0.5s; }
.content-anim .preview-line.l3 { width: 60%; animation-delay: 1s; }

@keyframes lineGrow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Leads Animation */
.leads-anim {
    position: relative;
}

.lead-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--orange-400);
    border-radius: 50%;
    animation: leadFlow 2s infinite;
}

.lead-dot.ld1 { left: 0; animation-delay: 0s; }
.lead-dot.ld2 { left: 20px; animation-delay: 0.4s; }
.lead-dot.ld3 { left: 40px; animation-delay: 0.8s; }

@keyframes leadFlow {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(30px); opacity: 0; }
}

.lead-funnel {
    position: absolute;
    bottom: 0;
    left: 10px;
    width: 40px;
    height: 20px;
    background: linear-gradient(to bottom, transparent, var(--success));
    clip-path: polygon(0 0, 100% 0, 80% 100%, 20% 100%);
}

/* Ads Animation */
.ads-anim {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 40px;
}

.ad-bar {
    width: 12px;
    background: var(--teal-300);
    border-radius: 2px;
    animation: barGrow 1.5s infinite;
}

.ad-bar.ab1 { height: 15px; animation-delay: 0s; }
.ad-bar.ab2 { height: 25px; animation-delay: 0.2s; }
.ad-bar.ab3 { height: 35px; animation-delay: 0.4s; }

@keyframes barGrow {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.capabilities-cta {
    text-align: center;
}

/* ROI Calculator Section */
.roi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.roi-calculator {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(78, 206, 224, 0.3);
    border-radius: 20px;
    padding: 36px;
    position: relative;
}

.roi-calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--teal-400), var(--orange-400));
    border-radius: 20px 20px 0 0;
}

.calculator-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.calc-icon {
    font-size: 28px;
}

.calculator-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin: 0;
}

/* Slider Styles */
.slider-group {
    margin-bottom: 28px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.slider-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-300);
}

.slider-value-box {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(78, 206, 224, 0.15);
    border: 1px solid rgba(78, 206, 224, 0.3);
    border-radius: 8px;
    padding: 6px 12px;
}

.slider-prefix {
    color: var(--teal-300);
    font-weight: 600;
    font-family: 'Inter', monospace;
}

.slider-input {
    width: 60px;
    background: transparent;
    border: none;
    color: var(--teal-300);
    font-family: 'Inter', monospace;
    font-size: 15px;
    font-weight: 600;
    text-align: right;
    outline: none;
}

.slider-input.salary-input {
    width: 75px;
}

.slider-input::-webkit-inner-spin-button,
.slider-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.slider-input[type=number] {
    -moz-appearance: textfield;
}

.slider-unit {
    color: var(--gray-400);
    font-size: 12px;
}

.slider-container {
    position: relative;
    height: 28px;
    display: flex;
    align-items: center;
}

.slider-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: transparent;
    cursor: pointer;
    position: absolute;
    z-index: 2;
    margin: 0;
}

.slider-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--teal-400), var(--teal-600));
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 4px 12px rgba(78, 206, 224, 0.4);
    border: 3px solid var(--white);
    transition: transform 0.2s, box-shadow 0.2s;
}

.slider-range::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(78, 206, 224, 0.5);
}

.slider-range::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.15);
}

.slider-range::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--teal-400), var(--teal-600));
    border-radius: 50%;
    cursor: grab;
    border: 3px solid var(--white);
    box-shadow: 0 4px 12px rgba(78, 206, 224, 0.4);
}

.slider-track {
    position: absolute;
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.slider-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--teal-400), var(--orange-400));
    border-radius: 4px;
    transition: width 0.1s ease;
}

.slider-limits {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    font-size: 11px;
    color: var(--gray-400);
    font-family: 'Inter', monospace;
}

/* ROI Results */
.roi-results {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 14px;
    padding: 24px;
    margin-top: 28px;
    margin-bottom: 24px;
}

.results-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--success);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.results-icon {
    font-size: 16px;
}

.roi-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.roi-result-item:last-of-type {
    border-bottom: none;
}

.result-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.result-icon-sm {
    font-size: 18px;
}

.result-label {
    font-size: 14px;
    color: var(--gray-300);
}

.result-tag {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.result-value {
    font-family: 'Inter', monospace;
    font-size: 18px;
    font-weight: 700;
    color: var(--success);
}

.roi-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid rgba(16, 185, 129, 0.3);
}

.total-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
}

.total-icon {
    font-size: 20px;
}

.total-value {
    font-family: 'Inter', monospace;
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--orange-400), var(--orange-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ROI Stats */
.roi-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.roi-stat-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.roi-stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--teal-400);
    transform: translateY(-4px);
}

.stat-icon {
    font-size: 36px;
    display: block;
    margin-bottom: 12px;
}

.stat-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--success);
    display: block;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    display: block;
    margin-bottom: 8px;
}

.stat-desc {
    font-size: 13px;
    color: var(--gray-300);
    line-height: 1.5;
    margin: 0;
}

/* Industries Section */
.industry-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.industry-tab {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.industry-tab:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.industry-tab.active {
    background: var(--teal-700);
    border-color: var(--teal-700);
    color: var(--white);
}

.industry-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.industry-content.active {
    display: block;
}

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

.industry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.industry-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.industry-info > p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 28px;
}

.industry-use-cases {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.use-case {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.use-case:hover {
    background: var(--white);
    border-color: var(--teal-300);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.use-case-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--teal-100), var(--teal-50));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.use-case-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.use-case-content p {
    font-size: 13px;
    color: var(--gray-500);
    margin: 0;
}

.industry-metrics-card {
    background: linear-gradient(135deg, var(--teal-900), var(--navy-900));
    border-radius: 20px;
    padding: 32px;
    color: var(--white);
}

.industry-metrics-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--white);
}

.metric-bars {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.metric-bar-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.metric-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.metric-bar-label {
    font-size: 14px;
    color: var(--gray-300);
}

.metric-bar-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--success);
}

.metric-bar-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.metric-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--teal-400));
    border-radius: 4px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.industry-cta {
    text-align: center;
    margin-top: 48px;
    padding: 32px;
    background: var(--gray-50);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
}

.industry-cta p {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 20px;
}

/* Timeline Section */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 40px;
    bottom: 40px;
    width: 3px;
    background: linear-gradient(to bottom, var(--teal-400), var(--orange-400));
    border-radius: 2px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 32px;
    padding: 24px 0;
    position: relative;
}

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 2;
}

.marker-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.3);
}

.marker-duration {
    font-size: 11px;
    font-weight: 600;
    color: var(--teal-300);
    background: rgba(78, 206, 224, 0.15);
    padding: 4px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--teal-400);
    transform: translateX(8px);
}

.timeline-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--gray-300);
    line-height: 1.6;
    margin-bottom: 16px;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.timeline-tag {
    background: rgba(78, 206, 224, 0.15);
    color: var(--teal-300);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* FAQ Section */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.faq-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s ease;
}

.faq-card:hover {
    background: var(--white);
    border-color: var(--teal-300);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.faq-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.faq-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* Final CTA Section */
.final-cta {
    background: linear-gradient(135deg, var(--teal-900) 0%, var(--navy-900) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(78, 206, 224, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.final-cta h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--white);
}

.final-cta > .cta-content > p {
    font-size: 18px;
    color: var(--gray-300);
    margin-bottom: 32px;
}

.cta-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.cta-stat {
    text-align: center;
}

.cta-stat-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--orange-400);
}

.cta-stat-label {
    display: block;
    font-size: 13px;
    color: var(--gray-300);
    margin-top: 4px;
}

.urgency-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(249, 115, 22, 0.15);
    border: 1px solid rgba(249, 115, 22, 0.3);
    color: var(--orange-400);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 32px;
}

.final-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.final-cta .btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.final-cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.cta-trust {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cta-trust span {
    font-size: 13px;
    color: var(--gray-400);
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .mark-hero .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-visual {
        order: 0;
        height: auto;
        min-height: 450px;
    }
    
    .mark-engine {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 24px;
        padding: 20px 0;
    }
    
    /* Input Sources - horizontal row on tablet */
    .input-sources {
        position: relative;
        top: auto;
        left: auto;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
        order: 1;
    }
    
    .source-item {
        animation: fadeInUp 0.5s ease-out both;
    }
    
    .source-item.s1 { animation-delay: 0.1s; }
    .source-item.s2 { animation-delay: 0.15s; }
    .source-item.s3 { animation-delay: 0.2s; }
    .source-item.s4 { animation-delay: 0.25s; }
    
    /* AI Core - centered */
    .mark-engine .ai-core {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        order: 2;
        margin: 16px auto;
        width: 180px;
        height: 180px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .mark-engine .hub-core {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    .mark-engine .hub-ring {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    .mark-engine .hub-ring.r1 {
        transform: translate(-50%, -50%);
    }
    
    .mark-engine .hub-ring.r2 {
        transform: translate(-50%, -50%);
    }
    
    /* Output Results - horizontal row on tablet */
    .output-results {
        position: relative;
        top: auto;
        right: auto;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
        order: 3;
    }
    
    .result-item {
        animation: fadeInUp 0.5s ease-out both;
    }
    
    .result-item:nth-child(1) { animation-delay: 0.3s; }
    .result-item:nth-child(2) { animation-delay: 0.35s; }
    .result-item:nth-child(3) { animation-delay: 0.4s; }
    .result-item:nth-child(4) { animation-delay: 0.45s; }
    
    /* Processing Stats */
    .mark-engine .processing-stats {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        order: 4;
        margin-top: 8px;
    }
    
    /* Hide data flows on tablet */
    .data-flow {
        display: none;
    }
    
    .mark-hero .hero-content {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-metrics {
        justify-content: center;
    }
    
    .mark-hero .hero-buttons {
        justify-content: center;
    }
    
    .mark-hero .hero-cta-note {
        justify-content: center;
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .promise-visual {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .promise-arrow {
        transform: rotate(90deg);
        margin: 0 auto;
    }
    
    .roi-grid {
        grid-template-columns: 1fr;
    }
    
    .industry-grid {
        grid-template-columns: 1fr;
    }
}

@keyframes fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@media (max-width: 768px) {
    .mark-hero {
        padding: 80px 0 60px;
        min-height: auto;
    }
    
    .hero-visual {
        min-height: 380px;
    }
    
    .mark-engine {
        gap: 20px;
        padding: 16px 0;
    }
    
    /* Smaller source items on mobile */
    .source-item {
        padding: 8px 12px;
        font-size: 12px;
        gap: 6px;
    }
    
    .source-item span:first-child {
        font-size: 14px;
    }
    
    /* Smaller AI Core on mobile */
    .mark-engine .ai-core {
        width: 140px;
        height: 140px;
    }
    
    .mark-engine .hub-ring.r1 {
        width: 100px;
        height: 100px;
    }
    
    .mark-engine .hub-ring.r2 {
        width: 130px;
        height: 130px;
    }
    
    .mark-engine .hub-core {
        width: 70px;
        height: 70px;
    }
    
    .mark-avatar-img {
        width: 55px;
        height: 55px;
    }
    
    /* Smaller result items on mobile */
    .result-item {
        padding: 10px 12px;
        gap: 8px;
    }
    
    .result-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .result-count {
        font-size: 9px;
        padding: 2px 5px;
        top: -5px;
        right: -5px;
    }
    
    .result-label {
        font-size: 12px;
    }
    
    /* Smaller processing stats on mobile */
    .mark-engine .processing-stats {
        padding: 12px 20px;
        gap: 24px;
    }
    
    .mark-engine .proc-stat-value {
        font-size: 20px;
    }
    
    .mark-engine .proc-stat-label {
        font-size: 11px;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .roi-stats {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-inner {
        gap: 32px;
    }
    
    .industry-tabs {
        gap: 8px;
    }
    
    .industry-tab {
        padding: 8px 14px;
        font-size: 12px;
    }
    
    .timeline::before {
        display: none;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .timeline-marker {
        flex-direction: row;
    }
    
    .cta-stats {
        gap: 24px;
    }
    
    .cta-trust {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .hero-visual {
        min-height: 340px;
    }
    
    .mark-engine {
        gap: 16px;
    }
    
    .input-sources,
    .output-results {
        gap: 8px;
    }
    
    .source-item {
        padding: 6px 10px;
        font-size: 11px;
    }
    
    .source-item span:first-child {
        font-size: 12px;
    }
    
    .result-item {
        padding: 8px 10px;
    }
    
    .result-icon {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .result-label {
        font-size: 11px;
    }
    
    .mark-engine .ai-core {
        width: 120px;
        height: 120px;
    }
    
    .mark-engine .hub-ring.r1 {
        width: 90px;
        height: 90px;
    }
    
    .mark-engine .hub-ring.r2 {
        width: 115px;
        height: 115px;
    }
    
    .mark-engine .hub-core {
        width: 60px;
        height: 60px;
    }
    
    .mark-avatar-img {
        width: 45px;
        height: 45px;
    }
    
    .mark-engine .processing-stats {
        padding: 10px 16px;
        gap: 16px;
    }
    
    .mark-engine .proc-stat-value {
        font-size: 18px;
    }
    
    .mark-engine .proc-stat-label {
        font-size: 10px;
    }
    
    .hero-metrics {
        gap: 20px;
    }
    
    .hero-metric .metric-value {
        font-size: 28px;
    }
    
    .hero-metric .metric-label {
        font-size: 12px;
    }
}

/* Fade-in animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .fade-in {
        opacity: 1;
        transform: none;
    }
}