/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.7;
    color: #2d3748;
    background-color: #ffffff;
    text-align: left;
}
a {
    color: #00897b;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #00695c;
    text-decoration: none;
}
img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-weight: 700;
    line-height: 1.3;
    color: #1a202c;
}
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.35rem; }
h5 { font-size: 1.15rem; }
p { margin-top: 0; margin-bottom: 1.25rem; }
ul, ol { margin-top: 0; margin-bottom: 1.25rem; padding-left: 1.5rem; }
li { margin-bottom: 0.4rem; }
strong { font-weight: 700; color: #1a202c; }

/* ===== CONTAINER ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER ===== */
.header-section {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}
.header-section.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.logo img {
    max-height: 45px;
    transition: transform 0.3s ease;
}
.logo img:hover {
    transform: scale(1.05);
}
.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a202c;
    letter-spacing: -0.5px;
}
.logo-text span {
    color: #00897b;
}
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.25rem;
}
.nav-menu li a {
    display: block;
    padding: 0.5rem 1rem;
    color: #4a5568;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}
.nav-menu li a:hover {
    background: #e0f2f1;
    color: #00897b;
}
.nav-menu li a.active {
    background: #00897b;
    color: #fff;
}
.nav-menu li a i {
    font-size: 1.1rem;
}

/* ===== BANNER ===== */
.banner-section {
    position: relative;
    background-color: #0f172a;
    background-image: url('images/niceprotkt2.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 70% auto;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.banner-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.3) 0%, rgba(15,23,42,0.1) 100%);
    z-index: 1;
}
.banner-section .container {
    position: relative;
    z-index: 2;
}
.banner-section .display-4 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    margin-bottom: 0.5rem;
}
.banner-section .lead {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.85);
    text-shadow: 0 1px 5px rgba(0,0,0,0.3);
    max-width: 600px;
    margin: 0 auto;
}
.banner-badge {
    display: inline-block;
    background: rgba(0,137,123,0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0,137,123,0.3);
    color: #b2dfdb;
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

/* ===== CONTENT SECTIONS ===== */
.content-section {
    padding: 60px 0;
}
.content-section-alt {
    background: #fff;
}

/* ===== SECTION TITLES ===== */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
}
.section-title h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #1a202c;
    margin-bottom: 0.75rem;
}
.section-title p {
    color: #718096;
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}
.section-title .title-underline {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #00897b, #4db6ac);
    border-radius: 2px;
    margin: 1rem auto 0;
}

/* ===== FEATURE CARDS ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.feature-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00897b, #4db6ac);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-color: transparent;
}
.feature-card:hover::before {
    opacity: 1;
}
.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    color: #fff;
}
.feature-icon.blue { background: linear-gradient(135deg, #00897b, #4db6ac); }
.feature-icon.green { background: linear-gradient(135deg, #2d8a4e, #48bb78); }
.feature-icon.purple { background: linear-gradient(135deg, #00897b, #4db6ac); }
.feature-icon.orange { background: linear-gradient(135deg, #dd6b20, #ed8936); }
.feature-icon.teal { background: linear-gradient(135deg, #00897b, #4db6ac); }
.feature-icon.red { background: linear-gradient(135deg, #e53e3e, #fc8181); }
.feature-icon.indigo { background: linear-gradient(135deg, #00897b, #4db6ac); }
.feature-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #1a202c;
}
.feature-card p {
    color: #718096;
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.7;
}
.feature-card ul, .feature-card ol {
    margin-bottom: 0;
    padding-left: 1.25rem;
}
.feature-card li {
    color: #718096;
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}
.feature-card li strong {
    color: #2d3748;
}

/* ===== TWO COLUMN LAYOUT ===== */
.two-col {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
}
.two-col > .col-main {
    flex: 1 1 60%;
    min-width: 300px;
}
.two-col > .col-side {
    flex: 1 1 35%;
    min-width: 280px;
}

/* ===== VIDEO WRAPPER ===== */
.video-wrapper {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid #e2e8f0;
    margin-bottom: 1.5rem;
}
.video-wrapper video {
    display: block;
    width: 100%;
    border-radius: 16px;
}
.video-label {
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #4a5568;
    background: #f7fafc;
    border-top: 1px solid #e2e8f0;
    text-align: center;
}
.video-label i {
    color: #00897b;
    margin-right: 0.5rem;
}

/* ===== IMAGE CARDS ===== */
.image-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid #e2e8f0;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.image-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}
.image-card img {
    width: 100%;
    display: block;
}
.image-card .image-label {
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #4a5568;
    background: #f7fafc;
    border-top: 1px solid #e2e8f0;
    text-align: center;
}

/* ===== DIVIDER ===== */
.divider {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
    margin: 2.5rem 0;
}

/* ===== EULA SECTION ===== */
.eula-section {
    background: #fff;
    border-top: 1px solid #e2e8f0;
}
.eula-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #4a5568;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}
.eula-toggle:hover {
    background: #e0f2f1;
    border-color: #00897b;
    color: #00897b;
}
.eula-toggle i {
    transition: transform 0.3s ease;
}
.eula-toggle.active i {
    transform: rotate(180deg);
}
.eula-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.3s ease;
    opacity: 0;
}
.eula-content.open {
    max-height: 5000px;
    opacity: 1;
}
.eula-inner {
    background: #ffffff;
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid #e2e8f0;
}
.eula-inner h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}
.eula-inner h4 {
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}
.eula-inner h5 {
    font-size: 1rem;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
    color: #00897b;
}
.eula-inner p {
    color: #4a5568;
    font-size: 0.95rem;
}
.eula-inner ul, .eula-inner ol {
    color: #4a5568;
    font-size: 0.95rem;
}
.eula-inner li {
    margin-bottom: 0.3rem;
}

/* ===== FOOTER ===== */
.footer-section {
    padding: 3rem 0;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
}
.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.footer-brand img {
    max-height: 35px;
}
.footer-brand span {
    color: #1a202c;
    font-weight: 700;
    font-size: 1rem;
}
.footer-links {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 1.5rem;
}
.footer-links li a {
    color: #00897b;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}
.footer-links li a:hover {
    color: #00695c;
}

/* ===== COPYRIGHT ===== */
.copyright-section {
    padding: 1.25rem 0;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    color: #718096;
}
.copyright-section .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}
.copyright-section small {
    font-size: 0.85rem;
}
.copyright-section a {
    color: #00897b;
    transition: color 0.3s ease;
}
.copyright-section a:hover {
    color: #00695c;
}

/* ===== BACK TO TOP ===== */
#backtotop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: #00897b;
    color: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,137,123,0.3);
}
#backtotop.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
#backtotop:hover {
    background: #00695c;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,137,123,0.4);
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ===== COOKIE CONSENT BANNER ===== */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #5009de;
    color: #ffffff;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
    line-height: 1.5;
}
.cookie-consent.visible {
    transform: translateY(0);
}
.cookie-consent-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    flex: 1;
}
.cookie-consent-message {
    flex: 1;
    min-width: 200px;
}
.cookie-consent-link {
    color: #ffffff;
    text-decoration: underline;
    white-space: nowrap;
    font-weight: 600;
    opacity: 0.9;
    transition: opacity 0.2s;
}
.cookie-consent-link:hover {
    opacity: 1;
}
.cookie-consent-btn {
    background: #ffffff;
    color: #5009de;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    flex-shrink: 0;
}
.cookie-consent-btn:hover {
    background: #f0f0f0;
    transform: scale(1.02);
}
.cookie-consent-btn:active {
    transform: scale(0.98);
}
@media (max-width: 600px) {
    .cookie-consent {
        flex-direction: column;
        padding: 1rem;
        text-align: center;
    }
    .cookie-consent-content {
        flex-direction: column;
        align-items: center;
    }
    .cookie-consent-btn {
        width: 100%;
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991.98px) {
    .two-col > .col-main,
    .two-col > .col-side {
        flex: 1 1 100%;
    }
    .banner-section {
        min-height: 350px;
        background-size: 70% auto;
    }
    .banner-section .display-4 {
        font-size: 2rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
    .copyright-section .container {
        flex-direction: column;
        text-align: center;
    }
}
@media (max-width: 767.98px) {
    .header-inner {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0.75rem;
    }
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.25rem;
    }
    .nav-menu li a {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }
    .banner-section {
        min-height: 300px;
        background-size: 80% auto;
    }
    .banner-section .display-4 {
        font-size: 1.6rem;
    }
    .banner-section .lead {
        font-size: 1rem;
    }
    .content-section {
        padding: 40px 0;
    }
    .section-title h2 {
        font-size: 1.5rem;
    }
    .feature-card {
        padding: 1.5rem;
    }
    .eula-inner {
        padding: 1.25rem;
    }
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}
@media (max-width: 480px) {
    .banner-section .display-4 {
        font-size: 1.3rem;
    }
    .banner-section {
        min-height: 250px;
        background-size: 90% auto;
    }
}