/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    color: #fff;
    background-color: #0a0a0a;
}

/* HEADER */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 50px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background-color: rgba(0,0,0,0.4);
    backdrop-filter: blur(5px);
}

/* LOGO */
.logo-link {
    display: inline-block;
}

.logo {
    width: 80px;
    height: auto;
    cursor: pointer;
    transition: transform 0.8s ease, filter 0.8s ease;
}

.logo:hover {
    transform: rotate(900deg) scale(1.1);
}

.logo.toggle {
    transform: rotate(1080deg) scale(1.1);
    filter: drop-shadow(0 0 15px #ff0000) drop-shadow(0 0 25px #ff0000);
}

/* NAVIGATION */
nav ul {
    display: flex;
    gap: 30px;
    list-style: none;
    padding: 0;
}

nav ul li a {
    text-decoration: none;
    color: #fff;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 30px;
    letter-spacing: 2px;
    position: relative;
    transition: all 0.3s ease;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #ff0000;
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

nav ul li a:hover {
    color: #ff0000;
    transform: scale(1.05);
}

/* HERO SECTION */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100vh;
    text-align: center;
    padding-top: 450px;
    padding-left: 20px;
    padding-right: 20px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.7)),
                url('assets/videos/hero-banghang.mov') center center/cover no-repeat;
    background-attachment: fixed;
    opacity: 0.7;
}

.hero-title {
    font-family: 'Arizonia', cursive;
    color: #ff0000;
    font-size: 80px;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-shadow: 3px 3px 15px rgba(0,0,0,0.7);
    transition: all 0.3s ease;
}

.hero-title:hover {
    color: #ff0000;
    transform: scale(1.05) rotate(-2deg);
    text-shadow: 0 0 10px #8300007a;
}

.hero-subtitle {
    font-family: 'Uncial Antiqua', cursive;
    font-size: 40px;
    margin-bottom: 32px;
    letter-spacing: 0px;
    transition: all 0.3s ease;
}

.hero-subtitle:hover {
    color: #ff0000;
    transform: scale(1.03);
    text-shadow: 0 0 15px #ff0000;
}

.hero-subtitle-link {
    font-family: 'Asimovian', sans-serif;
    font-size: 20px;
    color: #fff;
    text-decoration: none;
    padding: 12px 30px;
    border: 1px solid #ff2e2e49;
    border-radius: 30px;
    transition: all 0.3s ease;
    animation: fadeSlideUp 1s forwards, glowPulse 2s infinite alternate;
    opacity: 0;
}
.hero-subtitle-link:hover {
    background-color: #f70000;
    color: #000;
    box-shadow: 0 0 15px #ff0000, 0 0 25px #ff0000;
    transform: scale(1.1);
}       

/* FOLLOW BUTTON FLOATING */
.follow {
    position: fixed;
    bottom: 200px;
    left: -5px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    z-index: 2000;
}

#follow-btn {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 18px;
    padding: 8px 15px;
    border: 1px solid #ff0000;
    border-radius: 1px;
    background-color: #ff0000;
    color: #000;
    cursor: pointer;
    transition: all 0.3s ease;
}

#follow-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 5px #ff0000, 0 0 15px #ff0000;
}

/* SOCIAL ICONS */
.social-buttons {
    display: flex; /* ensure icons appear */
    flex-direction: column;
    gap: 12px;
    margin-left: 20px;
    opacity: 0;
    transform: translateY(-15px);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.social-buttons.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.social-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgb(255, 0, 0);
    border: 1px solid #ff0000;
    transition: all 0.3s ease;
}

.social-btn img {
    width: 25px;
    height: 25px;
    transition: transform 0.3s ease;
}

.social-btn:hover {
    transform: scale(1.2);
    border-color: #ff0000;
    box-shadow: 0 0 15px #ff0000, 0 0 25px #ff0000;
}

.social-btn:hover img {
    transform: scale(1.1);
}

/* FOOTER */
footer {
    background-color: #ff0000;
    color: #000;
    text-align: center;
    padding: 8px 0;
    font-family: 'Roboto', sans-serif;
    font-size: 10px;
}

/* ANIMATIONS */
@keyframes fadeSlideUp {
    0% { opacity: 0; transform: translateY(30px);}
    100% { opacity: 1; transform: translateY(0);}
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000, 0 0 30px #ff0000; }
    50% { box-shadow: 0 0 20px #ff0000, 0 0 40px #ff0000, 0 0 60px #ff0000; }
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero-title { font-size: 60px; }
    .hero-subtitle { font-size: 30px; }
    .hero-subtitle-link { font-size: 18px; padding: 10px 25px; }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px;
    }
    .logo {
        width: 60px;
    } 
    nav ul { gap: 15px; justify-content: center; }
    nav ul li a { font-size: 24px; }
    .hero { padding-top: 400px; }
    .hero-title { font-size: 50px; margin-bottom: 10px; }
    .hero-subtitle { font-size: 20px; }
    .hero-subtitle-link { font-size: 12px; padding: 8px 20px; }
    .social-btn { width: 35px; height: 35px; }
    .social-btn img { width: 18px; height: 18px; }
}

.social-buttons.visible .social-btn:nth-child(1) { transition-delay: 0.05s; }
.social-buttons.visible .social-btn:nth-child(2) { transition-delay: 0.1s; }
.social-buttons.visible .social-btn:nth-child(3) { transition-delay: 0.15s; }
.social-buttons.visible .social-btn:nth-child(4) { transition-delay: 0.2s; }
.social-buttons.visible .social-btn:nth-child(5) { transition-delay: 0.25s; }
