:root {
    --primary: #12345b;
    --primary-dark: #0b223d;
    --accent: #1f8f6b;
    --bg: #f5f7fb;
    --white: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
    --shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Tahoma, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: auto;
}

.site-header {
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
}

.header-inner {
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-system-image {
    width: 100%;
    max-width: 460px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 18px;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.18);
    border: 1px solid #e5e7eb;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 2px;
}

.brand-logo {
    height: 58px;
    width: auto;
    display: block;
}

.brand-name {
    font-size: 27px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.brand-subtitle {
    font-size: 13px;
    color: var(--muted);
    margin-top: 5px;
    letter-spacing: 0.2px;
}

.main-nav {
    display: flex;
    gap: 22px;
    font-size: 15px;
    color: var(--text);
}

.main-nav a {
    transition: 0.2s;
}

.main-nav a:hover {
    color: var(--accent);
}

.hero-section {
    padding: 90px 0 70px;
    background:
        radial-gradient(circle at top right, rgba(31, 143, 107, 0.16), transparent 35%),
        linear-gradient(135deg, #ffffff 0%, #eef3fa 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 44px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 8px 14px;
    background: rgba(31, 143, 107, 0.12);
    color: var(--accent);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 18px;
}

.hero-content h1 {
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.35;
    color: var(--primary-dark);
    margin: 0 0 18px;
}

.hero-text {
    font-size: 18px;
    color: #374151;
    max-width: 720px;
    margin-bottom: 28px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border-radius: 12px;
    font-weight: 700;
    border: 1px solid transparent;
    transition: 0.2s;
}

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

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(31, 143, 107, 0.25);
}

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

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

.hero-card {
    display: flex;
    justify-content: center;
}

.screen-box {
    width: 100%;
    max-width: 470px;
    background: white;
    border-radius: 22px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border);
}

.screen-top {
    height: 44px;
    background: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 0 18px;
}

.screen-top span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #d1d5db;
}

.screen-content {
    padding: 28px;
}

.screen-content h3 {
    margin: 0;
    color: var(--primary);
    font-size: 26px;
}

.screen-content p {
    color: var(--muted);
    margin-bottom: 24px;
}

.mini-row {
    height: 14px;
    border-radius: 999px;
    background: #e5e7eb;
    margin-bottom: 12px;
}

.mini-row.short {
    width: 65%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 24px;
}

.stats-grid div {
    background: #f8fafc;
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 14px;
}

.stats-grid strong {
    display: block;
    color: var(--primary);
}

.stats-grid span {
    display: block;
    color: var(--muted);
    font-size: 13px;
}

.section {
    padding: 76px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 38px;
}

.section-title span {
    color: var(--accent);
    font-weight: 800;
}

.section-title h2 {
    font-size: 34px;
    margin: 8px 0 12px;
    color: var(--primary-dark);
}

.section-title p {
    max-width: 760px;
    margin: auto;
    color: var(--muted);
    font-size: 17px;
}

.features-grid,
.modules-grid {
    display: grid;
    gap: 20px;
}

.features-grid {
    grid-template-columns: repeat(3, 1fr);
}

.modules-grid {
    grid-template-columns: repeat(3, 1fr);
}

.feature-card,
.module-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 26px;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
    transition: 0.2s;
}

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

.feature-card h3,
.module-card h3 {
    margin: 0 0 10px;
    color: var(--primary);
    font-size: 21px;
}

.feature-card p,
.module-card p {
    color: var(--muted);
    margin: 0;
}

.updates-section {
    background: white;
}

.updates-list {
    display: grid;
    gap: 14px;
    max-width: 850px;
    margin: auto;
}

.update-item {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 18px;
    align-items: center;
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
}

.update-item span {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-weight: 800;
}

.update-item p {
    margin: 0;
    color: #374151;
}

.contact-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
}

.contact-box {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 28px;
    align-items: center;
}

.contact-label {
    color: #a7f3d0;
    font-weight: 800;
}

.contact-box h2 {
    font-size: 32px;
    margin: 8px 0 10px;
}

.contact-box p {
    color: #dbeafe;
    margin: 0;
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-actions .secondary-btn {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.3);
}

.site-footer {
    background: #07182c;
    color: #d1d5db;
    padding: 22px 0;
    font-size: 14px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-inner p {
    margin: 0;
}

.floating-whatsapp {
    position: fixed;
    left: 20px;
    bottom: 20px;
    background: #25d366;
    color: white;
    padding: 13px 18px;
    border-radius: 999px;
    font-weight: 800;
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.32);
    z-index: 50;
}

@media (max-width: 900px) {
    .hero-grid,
    .contact-box {
        grid-template-columns: 1fr;
    }

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

    .main-nav {
        display: none;
    }
}

@media (max-width: 620px) {
    .features-grid,
    .modules-grid {
        grid-template-columns: 1fr;
    }

    .hero-section {
        padding-top: 60px;
    }

    .hero-actions,
    .contact-actions {
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

.quick-features {
    background: linear-gradient(180deg, #eef3fa 0%, #f5f7fb 100%);
    padding: 0 0 36px;
}

.quick-features-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: -34px;
    position: relative;
    z-index: 5;
}

.quick-feature {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    padding: 20px 18px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
    transition: 0.2s ease;
}

.quick-feature:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 42px rgba(15, 23, 42, 0.13);
}

.quick-icon {
    min-width: 42px;
    height: 42px;
    border-radius: 14px;
    background: linear-gradient(135deg, #ff8a00, #e02424);
    color: #ffffff;
    display: grid;
    place-items: center;
    font-size: 14px;
    font-weight: 900;
}

.quick-feature h3 {
    margin: 0 0 6px;
    color: var(--primary-dark);
    font-size: 17px;
}

.quick-feature p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
}

@media (max-width: 1000px) {
    .quick-features-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 620px) {
    .quick-features-inner {
        grid-template-columns: 1fr;
        margin-top: 0;
    }

    .quick-features {
        padding-top: 24px;
    }
}