:root {
    --primary: #FFD700;
    --primary-glow: rgba(255, 215, 0, 0.3);
    --bg-dark: #0A0A0C;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.7);
    --border: rgba(255, 255, 255, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Effects */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.glow-1 {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    opacity: 0.4;
}

.glow-2 {
    position: absolute;
    bottom: 0;
    left: -20%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(0, 100, 255, 0.15) 0%, transparent 70%);
    opacity: 0.5;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    z-index: 100;
    background: rgba(10, 10, 12, 0.8);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-slogan {
    font-size: 0.7rem;
    color: var(--text-dim);
    font-weight: 400;
    opacity: 0.8;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-back {
    background: var(--primary);
    color: #000;
    padding: 0.8rem 1.5rem;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-back:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--primary-glow);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 150px 5% 100px;
}

.hero-badge {
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 700px;
    margin-bottom: 3rem;
}

/* Video Container */
.video-container {
    margin-top: 3rem;
    width: 100%;
    max-width: 900px;
    border-radius: 24px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    height: 0;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 24px;
}

/* Features Section */
.features {
    padding: 100px 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-title h2 span {
    color: var(--primary);
}

.section-title p {
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Legal Links Section */
.legal-links {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    max-width: 600px;
    text-align: left;
}

.legal-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.legal-link:hover {
    border-color: var(--primary);
    background: rgba(255, 215, 0, 0.05);
    transform: translateX(5px);
}

.link-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 8px;
    background: rgba(255, 215, 0, 0.05);
    border-radius: 10px;
    transition: all 0.3s;
}

.link-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}

.legal-link:hover .link-icon {
    background: rgba(255, 215, 0, 0.15);
    transform: scale(1.1);
}

.legal-link:hover .link-icon img {
    transform: scale(1.2);
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.4));
}

.link-text {
    color: var(--text-dim);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
}

.legal-link:hover .link-text {
    color: var(--text);
}

.support-link {
    border-style: dashed;
    margin-top: 0.5rem;
}

.support-link .link-text {
    color: var(--primary);
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 215, 0, 0.05);
    border: 1px solid rgba(255, 215, 0, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    padding: 12px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 5px 15px rgba(255, 215, 0, 0.2));
    transition: all 0.5s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    border-color: var(--primary);
    background: rgba(255, 215, 0, 0.15);
    box-shadow: 0 15px 30px var(--primary-glow);
}

.feature-card:hover .feature-icon img {
    transform: scale(1.1);
    filter: drop-shadow(0 10px 25px rgba(255, 215, 0, 0.4));
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: 100px 5%;
    text-align: center;
}

.cta-box {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 215, 0, 0.05) 100%);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 30px;
    padding: 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.cta-box h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 1.5rem;
}

.cta-box p {
    color: var(--text-dim);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--primary);
    color: #000;
    padding: 1rem 2rem;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px var(--primary-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    padding: 1rem 2rem;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

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

/* Footer */
footer {
    padding: 3rem 5%;
    text-align: center;
    border-top: 1px solid var(--border);
}

footer p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding: 120px 5% 80px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .cta-box {
        padding: 2rem;
    }
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.5rem;
    margin-left: 1rem;
}

.lang-switcher span {
    cursor: pointer;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-dim);
    transition: all 0.3s;
}

.lang-switcher span.active {
    background: var(--primary);
    color: #000;
}

/* Contact Section */
.contact-section {
    padding-top: 0;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group label {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: white;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
}

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

#btn-send {
    width: 100%;
    background: var(--primary);
    color: black;
    border: none;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

#btn-send:hover {
    transform: scale(1.02);
}

#form-status {
    margin-top: 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}