/* ===== CSS Variables ===== */
:root {
    --primary: #0033A0;
    --primary-light: #1E5BB5;
    --accent: #00B4D8;
    --text: #1a1a2e;
    --text-light: #4a4a5a;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* ===== Utilities ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo span {
    font-weight: 400;
    color: var(--text);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 1.5rem 4rem;
    background: linear-gradient(135deg, #eef2f9 0%, #f8f9fa 40%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 51, 160, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text {
    text-align: left;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--text-light);
    max-width: 500px;
    margin-bottom: 2.5rem;
}

/* ===== Dashboard Mockup ===== */
.hero-visual {
    display: flex;
    justify-content: center;
}

.dashboard-mockup {
    width: 100%;
    max-width: 420px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    background: #f0f2f5;
    border-bottom: 1px solid #e5e7eb;
}

.dashboard-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #d1d5db;
}

.dashboard-dot:nth-child(1) { background: #ef4444; }
.dashboard-dot:nth-child(2) { background: #f59e0b; }
.dashboard-dot:nth-child(3) { background: #22c55e; }

.dashboard-title {
    margin-left: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
}

.dashboard-body {
    padding: 20px;
}

.dashboard-metrics {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.dashboard-metric {
    flex: 1;
    background: var(--light-gray);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Poppins', sans-serif;
}

.metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 2px;
}

.dashboard-chart {
    margin-bottom: 20px;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 80px;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
}

.chart-bar {
    flex: 1;
    height: var(--bar-height);
    background: linear-gradient(to top, var(--primary), var(--accent));
    border-radius: 4px 4px 0 0;
    animation: barGrow 1.2s ease-out forwards;
    transform-origin: bottom;
}

@keyframes barGrow {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

.dashboard-bottom {
    display: flex;
    gap: 20px;
    align-items: center;
}

.dashboard-donut {
    position: relative;
    width: 72px;
    height: 72px;
    flex-shrink: 0;
}

.donut-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.donut-label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
}

.dashboard-status {
    flex: 1;
}

.status-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-light);
    padding: 3px 0;
}

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

.status-dot.active { background: #22c55e; }
.status-dot.idle { background: #f59e0b; }

/* ===== Scroll Indicator ===== */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-light);
    animation: scrollBounce 2s ease-in-out infinite;
    opacity: 0.6;
}

.scroll-indicator:hover {
    opacity: 1;
}

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

/* ===== Stats Bar ===== */
.stats-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 3rem 0;
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item {
    color: var(--white);
}

.stat-number {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1;
}

.stat-suffix {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.85;
    margin-top: 0.5rem;
    color: var(--white);
}

/* ===== Cards Grid ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 3px solid transparent;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--accent);
}

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    color: var(--accent);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.card-text {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* ===== Challenges Section ===== */
.challenges {
    padding: 6rem 0;
    background-color: var(--white);
    position: relative;
}

.challenges::before {
    content: '';
    position: absolute;
    top: 60px;
    left: -100px;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

/* ===== Solution Section ===== */
.solution {
    padding: 6rem 0;
    background-color: var(--light-gray);
    position: relative;
}

.solution::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 51, 160, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.flow-diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 2rem;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.flow-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.flow-icon svg {
    width: 100%;
    height: 100%;
}

.flow-step span {
    font-weight: 600;
    color: var(--text);
}

.flow-arrow {
    font-size: 2rem;
    color: var(--accent);
    font-weight: bold;
}

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

/* ===== Benefits Section ===== */
.benefits {
    padding: 6rem 0;
    background-color: var(--white);
    position: relative;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 40px;
    right: -80px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.benefit-card {
    background-color: var(--light-gray);
    border-radius: 12px;
    padding: 1.75rem;
    text-align: center;
    transition: var(--transition);
    border-top: 3px solid transparent;
}

.benefit-card:hover {
    background-color: #eef1f5;
    transform: translateY(-2px);
    border-top-color: var(--accent);
}

.benefit-number {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.benefit-label {
    display: block;
    font-weight: 500;
    color: var(--text);
    font-size: 0.9375rem;
}

/* ===== CTA Banner ===== */
.cta-banner {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--accent) 0%, #0090ad 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -60px;
    left: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.btn-cta {
    background-color: var(--white);
    color: var(--primary);
    font-weight: 700;
    padding: 1rem 2.5rem;
}

.btn-cta:hover {
    background-color: var(--light-gray);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ===== Contact Section ===== */
.contact {
    padding: 6rem 0;
    background-color: var(--light-gray);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.form-group .required {
    color: #e63946;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: var(--transition);
    background-color: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9a9a9a;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1.0625rem;
}

.form-success {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-success p {
    color: var(--primary);
    font-weight: 500;
    font-size: 1.125rem;
}

/* ===== Footer ===== */
.footer {
    padding: 3rem 0 0;
    background-color: var(--text);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    display: inline-block;
    margin-bottom: 0.75rem;
}

.footer-logo span {
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 300px;
}

.footer-heading {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

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

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

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8125rem;
}

/* ===== Scroll Animations ===== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .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);
    }

    .hero {
        min-height: auto;
        padding: 8rem 1.5rem 5rem;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-visual {
        order: -1;
    }

    .dashboard-mockup {
        max-width: 360px;
    }

    .scroll-indicator {
        display: none;
    }

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

    .flow-diagram {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .challenges,
    .solution,
    .benefits,
    .contact {
        padding: 4rem 0;
    }

    .contact-form {
        padding: 1.5rem;
    }

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

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

    .footer-tagline {
        max-width: none;
    }

    .cta-banner {
        padding: 3.5rem 0;
    }
}

@media (max-width: 480px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

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

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

    .stat-number {
        font-size: 1.75rem;
    }
}