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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #0b132b;
    color: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

a:hover {
    color: #3b82f6;
}

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

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

/* Navbar */
.navbar {
    background-color: #111c38;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid #1e293b;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.025em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: #94a3b8;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #ffffff;
}

.menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: #ffffff;
    cursor: pointer;
    padding: 8px;
}

.menu-btn svg {
    width: 24px;
    height: 24px;
}

/* Hero Section */
.hero-section {
    display: flex;
    align-items: center;
    padding: 80px 24px;
    background: radial-gradient(circle at top right, #1e293b 0%, #0b132b 100%);
    border-bottom: 1px solid #1e293b;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 64px;
    width: 100%;
}

.hero-content {
    flex: 1;
    text-align: left;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.025em;
    color: #ffffff;
}

h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: #ffffff;
    line-height: 1.2;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #ffffff;
}

p {
    font-size: 1.125rem;
    color: #94a3b8;
    margin-bottom: 24px;
}

.subtitle {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 48px;
    font-size: 1.2rem;
}

/* Form Wrapper */
.form-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.input-field {
    width: 100%;
    padding: 16px 20px;
    font-size: 1.1rem;
    background-color: #1e293b;
    border: 2px solid #475569;
    border-radius: 8px;
    color: #ffffff;
    transition: all 0.2s ease;
}

.input-field::placeholder {
    color: #94a3b8;
    opacity: 0.8;
}

.input-field:focus {
    outline: none;
    border-color: #3b82f6;
    background-color: #1e293b;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.submit-btn {
    width: 100%;
    padding: 16px 24px;
    font-size: 1.1rem;
    font-weight: 700;
    background: linear-gradient(90deg, #2563eb 0%, #06b6d4 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
}

.submit-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Disabled state */
.submit-btn:disabled,
.input-field:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Spinner */
.spinner {
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top: 3px solid #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
    vertical-align: middle;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-msg {
    color: #f87171; /* red */
    font-size: 0.9rem;
    margin-top: -8px;
    margin-bottom: 12px;
}


/* Video Section */
.video-wrapper {
    flex: 1;
    width: 100%;
    max-width: 600px;
    border-radius: 12px;
    overflow: hidden;
    background-color: #000;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    border: 1px solid #1e293b;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    width: 100%;
    background: #000;
}

.video-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    cursor: pointer;
    overflow: hidden;
}

.video-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.video-link:hover img {
    opacity: 1;
}

.play-button-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 68px;
    height: 48px;
    z-index: 10;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.play-button-overlay svg {
    width: 100%;
    height: 100%;
    drop-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.video-link:hover .play-button-overlay {
    transform: translate(-50%, -50%) scale(1.15);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* General Content Sections */
.content-section {
    padding: 80px 0;
}

.bg-secondary {
    background-color: #0f1629;
    border-top: 1px solid #1e293b;
    border-bottom: 1px solid #1e293b;
}

.text-block p {
    margin-bottom: 20px;
}

.text-block strong {
    color: #ffffff;
}

/* Grid Systems */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

/* Cards & Boxes */
.card-box {
    background-color: #1e293b;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #334155;
    transition: transform 0.2s ease;
}

.card-box:hover {
    transform: translateY(-4px);
    border-color: #3b82f6;
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.step-icon {
    width: 50px;
    height: 50px;
    background: #3b82f6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 20px auto;
}

.feature-card {
    background-color: #1e293b;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #334155;
    transition: transform 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-card h3 {
    margin-bottom: 16px;
}

/* FAQ */
.faq-item {
    background-color: #1e293b;
    padding: 32px;
    border-radius: 12px;
    height: 100%;
    border: 1px solid #334155;
}

.faq-item h3 {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: #fff;
    font-size: 1.2rem;
}

.faq-item h3::before {
    content: "?";
    background-color: #3b82f6;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
    margin-top: 3px;
}

/* Trademark */
.trademark-section {
    padding: 32px 0;
    background: linear-gradient(90deg, #2563eb 0%, #06b6d4 100%);
    text-align: center;
}

.trademark-section p {
    margin: 0;
    color: #ffffff;
    opacity: 0.95;
    font-size: 0.9rem;
}

/* Footer */
.footer-section {
    background-color: #111c38;
    padding: 64px 0 32px;
    border-top: 1px solid #1e293b;
}

.footer-grid {
    margin-bottom: 48px;
}

.footer-section h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a:hover {
    color: #3b82f6;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 32px;
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
}

.footer .brand{
    color: inherit;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 48px;
    }

    .hero-content {
        align-items: center;
    }

    h1 {
        font-size: 2.5rem;
        text-align: center;
    }

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

    .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }

    .subtitle {
        margin-bottom: 32px;
    }
}

@media (max-width: 768px) {
    .menu-btn {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background-color: #111c38;
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        max-height: 300px;
        padding: 16px 0;
    }

    .nav-links a {
        display: block;
        padding: 16px;
        font-size: 1.125rem;
    }

    .hero-section {
        padding: 40px 24px;
    }

    .content-section {
        padding: 48px 0;
    }

    h2 {
        font-size: 1.75rem;
    }
    
    .footer-section {
        text-align: center;
    }
}