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

:root {
    --primary: #1E88E5;
    --primary-dark: #1565C0;
    --primary-light: #42A5F5;
    --accent: #E53935;
    --accent-hover: #C62828;
    --text: #212121;
    --text-secondary: #616161;
    --text-light: #9E9E9E;
    --bg: #FFFFFF;
    --bg-light: #F5F5F5;
    --bg-section: #FAFAFA;
    --border: #E0E0E0;
    --border-light: #F5F5F5;
    --shadow: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 16px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.3px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    font-size: 1.75rem;
    line-height: 1;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text-main {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
}

.logo-text-sub {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
}

.nav {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

.nav a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav a:hover,
.nav a.active {
    color: var(--primary);
}

/* Menu Toggle Button (Hamburger) */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--text);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 1200px) {
    .header-content {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
}

@media (max-width: 1024px) {
    .nav {
        gap: 1.5rem;
    }

    .stats-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

@media (max-width: 900px) {
    .header-content {
        gap: 1rem;
    }

    .nav {
        gap: 1.25rem;
    }

    .nav a {
        font-size: 0.875rem;
    }

    .logo-text-main {
        font-size: 1.125rem;
    }

    .logo-text-sub {
        font-size: 0.6875rem;
    }
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s;
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: var(--primary);
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(30, 136, 229, 0.85) 0%, rgba(13, 71, 161, 0.85) 100%), url('images/bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.125rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Cards Grid */
.cards-section {
    padding: 4rem 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.cards-grid.two-columns {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
}

.card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.card-header {
    padding: 1.5rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.card-header.blue {
    background: linear-gradient(135deg, #1E88E5 0%, #1565C0 100%);
}

.card-header.grey {
    background: linear-gradient(135deg, #546E7A 0%, #37474F 100%);
}

.card-header.red {
    background: linear-gradient(135deg, #E53935 0%, #C62828 100%);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-price {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.card-period {
    font-size: 0.875rem;
    opacity: 0.9;
}

.card-body {
    padding: 1.5rem;
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.card-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.card-features li {
    padding: 0.5rem 0;
    color: var(--text);
    font-size: 0.9375rem;
    padding-left: 1.5rem;
    position: relative;
}

.card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.card-button {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    transition: background 0.2s;
}

.card-button:hover {
    background: var(--primary-dark);
}

/* Content Sections */
.content-section {
    padding: 4rem 0;
}

.content-section:last-of-type {
    padding-bottom: 2rem;
}

main > section:last-of-type {
    padding-bottom: 2rem;
}

main > section:last-of-type .content-section {
    padding-bottom: 2rem;
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table th {
    background: var(--primary);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9375rem;
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover {
    background: var(--bg-light);
}

/* Stats Cards */
.stats-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 3rem 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    background: var(--bg);
    padding: 2rem 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.75rem;
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.4;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.feature-grid.two-columns {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
}

.feature-grid.four-columns {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1200px;
}

.feature-item {
    background: var(--bg);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.15);
}

.feature-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    font-size: 0.9375rem;
}

/* Strategy Cards - Improved Design */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 3rem 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.strategy-grid.two-columns {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1000px;
}

.strategy-card {
    background: var(--bg);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    min-height: 280px;
}

.strategy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.strategy-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-light);
}

.strategy-card:hover::before {
    opacity: 1;
}

.strategy-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.75rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.strategy-card:hover .strategy-icon {
    transform: scale(1.1);
}

.strategy-icon svg {
    width: 36px;
    height: 36px;
    stroke-width: 2.5;
}

.strategy-card-1 .strategy-icon {
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    color: #1976D2;
}

.strategy-card-2 .strategy-icon {
    background: linear-gradient(135deg, #F3E5F5 0%, #E1BEE7 100%);
    color: #7B1FA2;
}

.strategy-card-3 .strategy-icon {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
    color: #E65100;
}

.strategy-card-4 .strategy-icon {
    background: linear-gradient(135deg, #E8F5E9 0%, #C8E6C9 100%);
    color: #2E7D32;
}

.strategy-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.strategy-card p {
    color: var(--text-secondary);
    line-height: 1.75;
    margin: 0;
    font-size: 0.9375rem;
    flex-grow: 1;
}

.content-section.bg-light {
    background: var(--bg-light);
}

.content-section.bg-section {
    background: var(--bg-section);
}

.content {
    max-width: 800px;
    margin: 0 auto;
}

.content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
}

.content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin: 2rem 0 1rem;
}

.content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.content ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.content li {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

/* Info Box */
.info-box {
    background: #E3F2FD;
    border-left: 4px solid var(--primary);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin: 2rem 0;
}

.content-section:last-of-type .info-box {
    margin-bottom: 0 !important;
}

main > section:last-of-type .info-box {
    margin-bottom: 0 !important;
}

.info-box.warning {
    background: #FFF3E0;
    border-left-color: #FF9800;
}

.info-box h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 0.5rem 0;
}

.info-box p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Page Header */
.page-header {
    background: var(--bg-section);
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

.page-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
}

.page-content {
    padding: 3rem 0;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: 4rem 0 2rem;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-brand {
    position: relative;
    z-index: 1;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-top: 1rem;
}

.footer-section {
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.3px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: all 0.2s;
    display: inline-block;
}

.footer-section a:hover {
    color: white;
    transform: translateX(4px);
}

.footer-newsletter {
    position: relative;
    z-index: 1;
}

.footer-newsletter h3 {
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
}

.footer-newsletter p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
    z-index: 1;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.2s;
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

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

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

.btn-secondary {
    background: var(--bg);
    color: var(--primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-light);
    border-color: var(--primary);
}

.btn-large {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: nowrap;
        align-items: center;
        gap: 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        padding: 5rem 2rem 2rem;
        overflow-y: auto;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        width: 100%;
        border-top: none;
        padding-top: 0;
    }

    .nav li {
        width: 100%;
        border-bottom: 1px solid var(--border-light);
    }

    .nav a {
        display: block;
        width: 100%;
        padding: 1rem 0;
        font-size: 1rem;
    }

    .logo {
        flex: 1;
    }

    /* Overlay when menu is open */
    body.menu-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }

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

    .hero h1 {
        font-size: 2rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .feature-grid.two-columns {
        grid-template-columns: 1fr;
    }

    .feature-grid.four-columns {
        grid-template-columns: 1fr;
    }

    .strategy-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 100%;
    }

    .strategy-grid.two-columns {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

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

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

@media (max-width: 1024px) {
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

@media (max-width: 480px) {
    .logo-text-main {
        font-size: 1.125rem;
    }

    .logo-text-sub {
        font-size: 0.6875rem;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 1.5rem;
    }

    .nav-menu {
        width: 100%;
        right: -100%;
    }

    .nav-menu.active {
        right: 0;
    }

    .stat-number {
        font-size: 2.25rem;
    }

    .stat-item {
        padding: 1.5rem 1rem;
    }

    .strategy-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .strategy-card {
        padding: 1.75rem 1.5rem;
    }

    .strategy-icon {
        width: 56px;
        height: 56px;
    }

    .strategy-icon svg {
        width: 28px;
        height: 28px;
    }
}