/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --gray: #64748b;
    --gray-light: #f1f5f9;
    --gray-border: #e2e8f0;
    --white: #ffffff;
    --green: #10b981;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.3);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}
.btn-lg { padding: 16px 32px; font-size: 17px; }
.btn-block { width: 100%; }
.btn-arrow { transition: transform 0.3s; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: var(--shadow-lg);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 22px;
    color: var(--white);
}
.logo-icon {
    width: 36px; height: 36px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    font-weight: 900;
}
.logo-accent { color: var(--accent); }
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-link {
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
}
.nav-link:hover { color: var(--white); }
.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 8px;
    transition: var(--transition);
}
.nav-cta:hover {
    background: var(--primary-dark);
    color: var(--white);
}
.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(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #1e3a5f 100%);
}
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at bottom left, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}
.hero-bg::after {
    content: '';
    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: 50px 50px;
}
.hero-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(37, 99, 235, 0.4);
    border-radius: 100px;
    color: #93c5fd;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}
.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.05;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}
.hero-subtitle {
    font-size: 19px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 36px;
    max-width: 540px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}
.hero-stats {
    display: flex;
    gap: 40px;
}
.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
}
.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

/* ===== Hero Visual (Dashboard Mock) ===== */
.hero-visual { position: relative; }
.dashboard-mock {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.4);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: var(--transition);
}
.dashboard-mock:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}
.mock-header {
    background: var(--gray-light);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--gray-border);
}
.mock-dots { display: flex; gap: 6px; }
.mock-dots span {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #cbd5e1;
}
.mock-dots span:nth-child(1) { background: #ef4444; }
.mock-dots span:nth-child(2) { background: #f59e0b; }
.mock-dots span:nth-child(3) { background: #10b981; }
.mock-title {
    font-size: 13px;
    color: var(--gray);
    font-weight: 500;
}
.mock-body { display: flex; min-height: 320px; }
.mock-sidebar {
    width: 60px;
    background: var(--dark);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.mock-nav-item {
    height: 32px;
    border-radius: 6px;
    background: rgba(255,255,255,0.1);
}
.mock-nav-item.active { background: var(--primary); }
.mock-main { flex: 1; padding: 20px; }
.mock-card {
    background: var(--gray-light);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}
.mock-card-header {
    height: 12px;
    width: 40%;
    background: var(--gray-border);
    border-radius: 4px;
    margin-bottom: 12px;
}
.mock-card-row {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    margin-bottom: 8px;
}
.mock-card-row:nth-child(3) { width: 80%; }
.mock-card-row:nth-child(4) { width: 60%; }
.mock-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.mock-stat-card {
    height: 60px;
    background: var(--gray-light);
    border-radius: 8px;
}

/* ===== Trust Bar ===== */
.trust-bar {
    background: var(--white);
    padding: 24px 0;
    border-bottom: 1px solid var(--gray-border);
}
.trust-text {
    text-align: center;
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 12px;
    font-weight: 500;
}
.trust-items {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.trust-item {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-2);
}
.trust-divider { color: var(--gray-border); }

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}
.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}
.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.section-subtitle {
    font-size: 18px;
    color: var(--gray);
}

/* ===== Features ===== */
.features { padding: 100px 0; background: var(--gray-light); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-border);
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}
.feature-icon {
    font-size: 36px;
    margin-bottom: 16px;
}
.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}
.feature-card p {
    color: var(--gray);
    font-size: 15px;
}

/* ===== Solutions ===== */
.solutions { padding: 100px 0; background: var(--white); }
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.solution-card {
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
    border: 1px solid var(--gray-border);
    transition: var(--transition);
}
.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.solution-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary);
    opacity: 0.15;
    margin-bottom: 8px;
}
.solution-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}
.solution-card > p {
    color: var(--gray);
    margin-bottom: 20px;
}
.solution-list li {
    padding: 8px 0;
    color: var(--dark-2);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.solution-list li::before {
    content: '→';
    color: var(--primary);
    font-weight: 700;
}

/* ===== Pricing ===== */
.pricing { padding: 100px 0; background: var(--gray-light); }
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 2px solid var(--gray-border);
    transition: var(--transition);
    position: relative;
}
.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.pricing-featured {
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.15);
}
.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
}
.pricing-header h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}
.pricing-price {
    font-size: 42px;
    font-weight: 800;
    color: var(--dark);
}
.pricing-price span {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray);
}
.pricing-desc {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-border);
}
.pricing-features {
    margin-bottom: 32px;
}
.pricing-features li {
    padding: 10px 0;
    color: var(--dark-2);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.pricing-features li::before {
    content: '✓';
    color: var(--green);
    font-weight: 700;
    font-size: 16px;
}

/* ===== About ===== */
.about { padding: 100px 0; background: var(--white); }
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}
.about-text {
    color: var(--gray);
    font-size: 17px;
    margin-bottom: 16px;
}
.about-features {
    margin-top: 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--dark-2);
}
.check {
    width: 24px; height: 24px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}
.about-visual {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.about-card {
    background: var(--gray-light);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-border);
    transition: var(--transition);
}
.about-card:hover {
    transform: translateX(-4px);
    box-shadow: var(--shadow-md);
}
.about-card-icon {
    font-size: 32px;
    margin-bottom: 12px;
}
.about-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}
.about-card p {
    color: var(--gray);
    font-size: 14px;
}

/* ===== CTA ===== */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
}
.cta-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}
.cta-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
}
.cta .btn-primary {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}
.cta .btn-primary:hover {
    background: var(--gray-light);
}

/* ===== Contact ===== */
.contact { padding: 100px 0; background: var(--gray-light); }
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}
.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.contact-icon {
    font-size: 24px;
    width: 48px; height: 48px;
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}
.contact-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}
.contact-item p {
    color: var(--gray);
    font-size: 15px;
}
.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    margin-bottom: 16px;
    transition: var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}
.contact-form textarea { resize: vertical; }
.form-note {
    margin-top: 16px;
    font-size: 14px;
    color: var(--green);
    font-weight: 600;
    text-align: center;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    padding: 60px 0 24px;
    color: rgba(255,255,255,0.7);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-desc {
    font-size: 14px;
    max-width: 300px;
    line-height: 1.7;
}
.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: var(--white);
}
.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .hero-container { grid-template-columns: 1fr; gap: 40px; }
    .hero-title { font-size: 48px; }
    .hero-visual { display: none; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .solutions-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 500px; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
    }
    .nav-menu.open { display: flex; }
    .nav-toggle { display: flex; }
    .hero-title { font-size: 36px; }
    .hero-subtitle { font-size: 16px; }
    .hero-stats { gap: 24px; }
    .stat-number { font-size: 24px; }
    .section-title { font-size: 30px; }
    .features-grid { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-title { font-size: 26px; }
}