:root {
    --primary: #0F8F5B;
    --primary-light: #27C67A;
    --primary-dark: #0A6B44;
    --bg-white: #FFFFFF;
    --bg-grey: #F7F9F8;
    --text-dark: #111827;
    --text-grey: #4B5563;
    --text-light: #9CA3AF;
    --border: rgba(0, 0, 0, 0.08);
    --border-light: rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-premium: 0 24px 48px -12px rgba(15, 143, 91, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
}

.grey-bg {
    background-color: var(--bg-grey);
}

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

.justify-center {
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border);
    color: var(--text-dark);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: rgba(15, 143, 91, 0.02);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 6px;
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    width: 16px;
    height: 16px;
    border: 2px solid white;
    border-radius: 3px;
    opacity: 0.5;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-grey);
}

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

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 12rem 0 8rem;
    background: radial-gradient(circle at top center, rgba(39, 198, 122, 0.05) 0%, transparent 70%);
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background-color: rgba(39, 198, 122, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(39, 198, 122, 0.2);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    max-width: 900px;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.text-gradient {
    background: linear-gradient(to right, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-grey);
    max-width: 700px;
    margin-bottom: 3rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 5rem;
}

.hero-visual {
    width: 100%;
    max-width: 1100px;
    position: relative;
}

.dashboard-mockup {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    position: relative;
    padding: 1rem;
}

.main-dashboard-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
    transition: transform 0.1s ease-out;
}

.card-icon {
    width: 40px;
    height: 40px;
    background: rgba(15, 143, 91, 0.1);
    color: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon.icon-alert {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.card-info {
    display: flex;
    flex-direction: column;
}

.card-value {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-dark);
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-grey);
}

.card-1 { top: 15%; left: -5%; }
.card-2 { bottom: 20%; left: -8%; }
.card-3 { top: 25%; right: -5%; }
.card-4 { bottom: 15%; right: -8%; }

/* Section Header */
.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-grey);
    max-width: 600px;
    margin-inline: auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-grey);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    color: white;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--text-grey);
}

.feature-hover-glow {
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(39, 198, 122, 0.2) 0%, transparent 70%);
    filter: blur(20px);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover .feature-hover-glow {
    opacity: 1;
}

/* Split Layout */
.split-layout {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.split-layout.reverse {
    flex-direction: row-reverse;
}

.split-content, .split-visual {
    flex: 1;
}

.check-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.check-list i {
    color: var(--primary);
    width: 20px;
}

/* Mockup UI */
.mockup-ui {
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.callai-dashboard-img {
    width: 100%;
    height: auto;
    display: block;
}

.map-ui {
    min-height: 400px;
    background: #fdfdfd;
}

.ui-header {
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-grey);
}

.ui-dots {
    display: flex;
    gap: 4px;
}

.ui-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #eee;
}

.map-placeholder {
    height: 350px;
    position: relative;
    background: radial-gradient(circle at center, #f0fdf4 0%, #f7f9f8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-svg {
    width: 80%;
    opacity: 0.4;
}

.pulse-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
}

.pulse-point::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(3); opacity: 0; }
}

/* Feature Item */
.feature-item {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item-icon {
    width: 40px;
    height: 40px;
    background: rgba(15, 143, 91, 0.05);
    color: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.feature-item p {
    font-size: 0.875rem;
    color: var(--text-grey);
}

/* Security Dashboard */
.security-dashboard {
    background: #0B111D;
    border-radius: var(--radius-lg);
    padding: 4rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}

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

.security-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.security-item i {
    color: var(--primary-light);
}

.security-visual-mock {
    flex: 1;
    height: 200px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.security-line {
    width: 80%;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
}

.security-scanning-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: var(--primary-light);
    box-shadow: 0 0 15px var(--primary-light);
    animation: scan 4s infinite linear;
}

@keyframes scan {
    0% { left: 0; }
    100% { left: 100%; }
}

.security-nodes {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.node {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.node.active {
    background: var(--primary-light);
    box-shadow: 0 0 10px var(--primary-light);
}

/* Charts */
.chart-ui {
    padding: 1.5rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.chart-legend {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
}

.dot.primary { background: var(--primary); }
.dot.secondary { background: var(--primary-light); }

.chart-container {
    display: flex;
    align-items: flex-end;
    gap: 2rem;
    height: 200px;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.chart-bar-group {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 100%;
}

.chart-bar {
    flex: 1;
    background: var(--primary);
    border-radius: 4px 4px 0 0;
    transition: height 1s ease-out;
}

.chart-bar.secondary {
    background: var(--primary-light);
    opacity: 0.6;
}

.stats-grid-small {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
}

.stat-small {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-grey);
}

.feature-list-simple {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text-grey);
}

.feature-list-simple li::before {
    content: '•';
    color: var(--primary);
    margin-right: 0.5rem;
}

/* CTA Section */
.cta-section {
    background: var(--bg-grey);
}

/* Footer */
.footer {
    padding: 5rem 0 2rem;
    background-color: #0B111D;
    color: white;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1.25rem;
}

.social-links a {
    color: rgba(255, 255, 255, 0.6);
}

.social-links a:hover {
    color: var(--primary-light);
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4rem;
}

.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: white;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .split-layout { flex-direction: column !important; gap: 3rem; }
    .security-dashboard { flex-direction: column; padding: 2rem; }
    .footer-top { flex-direction: column; gap: 4rem; }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .header-actions { display: none; }
    .mobile-menu-toggle { display: block; }
    .hero-title { font-size: 2.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-links-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
    .floating-card { display: none; }
}