:root {
    --primary: #FF0000;
    /* YouTube Red */
    --primary-dark: #CC0000;
    --bg-dark: #050505;
    --bg-card: #0F0F0F;
    --text-main: #FFFFFF;
    --text-muted: #888888;
    --accent: #FFD700;
    --container-width: 1300px;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --shadow-soft: 0 20px 40px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-dark);
}

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

h1,
h2,
h3,
.logo {
    font-family: 'Outfit', sans-serif;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2.5rem;
}

/* --- ANIMATIONS --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.airplane-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
    /* Above hero overlay, below text */
    overflow: hidden;
}

.airplane {
    position: absolute;
    width: 60px;
    height: 60px;
    color: rgba(255, 255, 255, 0.7);
    /* High visibility */
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.4));
    transform: rotate(45deg);
    animation: airplaneCrossing 15s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes airplaneCrossing {
    0% {
        left: -15%;
        top: 25%;
        opacity: 0;
        transform: rotate(20deg) scale(0.7);
    }

    15% {
        opacity: 0.7;
    }

    85% {
        opacity: 0.7;
    }

    100% {
        left: 115%;
        top: 15%;
        opacity: 0;
        transform: rotate(50deg) scale(1.3);
    }
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

.lang-switcher {
    display: flex;
    gap: 0.8rem;
    margin-right: 1.5rem;
    padding: 0.3rem 0.8rem;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-switcher a {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.lang-switcher a.active {
    color: var(--primary);
}

.lang-switcher a:hover {
    color: #fff;
}

/* --- NAV --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 2rem 0;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(20px);
    padding: 1.2rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 900;
    text-decoration: none;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
}

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

/* --- HERO --- */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('assets/hero_v3.png') center/cover no-repeat;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(5, 5, 5, 0.2) 0%, rgba(5, 5, 5, 0.95) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-reveal {
    animation: heroReveal 1.2s ease-out forwards;
}

@keyframes heroReveal {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 0, 0, 0.1);
    color: var(--primary);
    padding: 0.6rem 1.4rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 2.5rem;
    border: 1px solid rgba(255, 0, 0, 0.2);
}

.hero h1 {
    font-size: 6.5rem;
    font-weight: 900;
    line-height: 0.9;
    margin-bottom: 2rem;
    text-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

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

.hero p {
    font-size: 1.35rem;
    color: var(--text-muted);
    margin-bottom: 3.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

/* --- BUTTONS --- */
.btn-primary,
.btn-large,
.btn-secondary {
    background: var(--primary);
    color: #fff;
    padding: 0.9rem 1.8rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 800;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.btn-large {
    padding: 1.4rem 3rem;
    font-size: 1.15rem;
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.2);
}

.btn-primary:hover,
.btn-large:hover,
.btn-secondary:hover {
    background: var(--primary-dark);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 40px rgba(255, 0, 0, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 1.4rem 3rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 800;
    transition: var(--transition);
    font-size: 1.15rem;
}

.btn-outline:hover {
    background: #fff;
    color: #000;
    border-color: #fff;
    transform: translateY(-4px);
}

/* --- SECTIONS --- */
.section {
    padding: 10rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 6rem;
}

.section-label {
    color: var(--primary);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 0.75rem;
    display: block;
    margin-bottom: 1.2rem;
}

.section-header h2 {
    font-size: 4rem;
    line-height: 1.1;
}

.section-header h2 span {
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), #FF6666);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- ABOUT --- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.about-card {
    background: var(--bg-card);
    padding: 4rem 3rem;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

.about-card:nth-child(2) {
    animation-delay: 1.5s;
}

.about-card:nth-child(3) {
    animation-delay: 3s;
}

.about-card:hover {
    transform: translateY(-15px);
    border-color: rgba(255, 0, 0, 0.2);
    background: #141414;
    animation-play-state: paused;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 0, 0, 0.05);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.about-card:hover .card-icon {
    transform: scale(1.1) rotate(10deg);
    background: var(--primary);
    color: #fff;
}

.card-icon i {
    width: 28px;
    height: 28px;
}

.about-card h3 {
    margin-bottom: 1.2rem;
    font-size: 1.8rem;
}

.about-card p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* --- VIDEOS --- */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 5rem;
}

.video-card {
    background: var(--bg-card);
    border-radius: 25px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.video-frame {
    position: relative;
    padding-top: 56.25%;
    /* 16:9 Aspect Ratio */
    overflow: hidden;
}

.video-frame iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 25px 25px 0 0;
}

.video-info {
    padding: 2rem;
}

.video-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.video-card:hover {
    transform: scale(1.03);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.1);
}

/* --- FOOTER --- */
.footer {
    padding: 8rem 0 3rem;
    background: #030303;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6rem;
}

.footer-brand .logo {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.footer-links h4 {
    margin-bottom: 2rem;
    color: #fff;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
}

.social-icons {
    display: flex;
    gap: 1.2rem;
}

.social-icons a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-icons a:hover {
    color: #fff;
    background: var(--primary);
    transform: translateY(-5px) rotate(8deg);
    border-color: var(--primary);
    box-shadow: 0 10px 20px rgba(255, 0, 0, 0.3);
}

.social-icons a i {
    width: 22px;
    height: 22px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding-top: 3rem;
    color: rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* --- RESPONSIVE --- */
@media (max-width: 1200px) {
    .container {
        padding: 0 2rem;
    }

    .hero h1 {
        font-size: 5rem;
    }
}

@media (max-width: 1024px) {

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

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

    .hero h1 {
        font-size: 4rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .about-grid,
    .video-grid {
        grid-template-columns: 1fr;
    }

    .hero-btns {
        flex-direction: column;
    }

    .btn-large,
    .btn-outline {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 4rem;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }

    .section {
        padding: 6rem 0;
    }
}