/* ============================================
   DanSan Karaokê — Shared Styles
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --neon-pink: #ff2d95;
    --neon-cyan: #00f0ff;
    --neon-purple: #b026ff;
    --dark-bg: #0a0a0f;
    --dark-card: #12121a;
    --line: rgba(255, 255, 255, 0.09);
}

html { scroll-behavior: smooth; }

/* Offset anchors for fixed navbar */
section[id] {
    scroll-margin-top: 70px;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--dark-bg);
    color: #e0e0e0;
    overflow-x: hidden;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(255, 45, 149, 0.2);
    transition: background 0.3s;
}
.navbar-logo img { height: 50px; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.4rem;
}
.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 0.84rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    transition: color 0.3s;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-pink);
    box-shadow: 0 0 10px var(--neon-pink);
    transition: width 0.3s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--neon-pink); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}
.menu-toggle span {
    width: 28px;
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: 0.3s;
}

/* --- Page Hero (dicas, musicas) --- */
.page-hero {
    padding: 8rem 2rem 2.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center top, rgba(255,45,149,0.12) 0%, transparent 60%);
}
.page-hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 900;
    color: #fff;
    text-transform: uppercase;
    margin-bottom: 1rem;
    position: relative;
    text-shadow: 0 0 20px rgba(255, 45, 149, 0.5);
}
.page-hero h1 .highlight {
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-hero p {
    color: #aaa;
    font-size: 1.05rem;
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    line-height: 1.7;
}

/* --- Sections --- */
.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    text-align: center;
    margin-bottom: 1rem;
    color: #fff;
    text-transform: uppercase;
}
.section-title .accent {
    color: var(--neon-pink);
    text-shadow: 0 0 20px rgba(255, 45, 149, 0.5);
}
.section-subtitle {
    text-align: center;
    color: #888;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* --- Buttons --- */
.btn-neon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    border: 2px solid var(--neon-pink);
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s;
    cursor: pointer;
    background: transparent;
}
.btn-neon:hover {
    background: var(--neon-pink);
    box-shadow: 0 0 30px rgba(255, 45, 149, 0.6), inset 0 0 30px rgba(255, 45, 149, 0.2);
    transform: translateY(-2px);
}
.btn-neon.cyan { border-color: var(--neon-cyan); }
.btn-neon.cyan:hover {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
}

/* --- CTA Section --- */
.cta-section {
    text-align: center;
    padding: 6rem 2rem;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(255,45,149,0.15) 0%, transparent 70%);
}
.cta-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: #fff;
    margin-bottom: 1rem;
    position: relative;
}
.cta-section p {
    color: #aaa;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    position: relative;
}

/* --- Footer --- */
footer {
    background: var(--dark-card);
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 45, 149, 0.1);
}
footer p { color: #555; font-size: 0.85rem; }
footer a { color: var(--neon-pink); text-decoration: none; }

/* --- WhatsApp FAB --- */
.whatsapp-fab {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.8rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.3s, box-shadow 0.3s;
    animation: pulse-whatsapp 2s infinite;
}
.whatsapp-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}
@keyframes pulse-whatsapp {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive — Mobile Menu & Base --- */
@media (max-width: 900px) {
    .navbar { padding: 0.85rem 1rem; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        text-align: center;
    }
    .nav-links.active { display: flex; }
    .menu-toggle { display: flex; }

    .page-hero { padding: 7rem 1rem 2rem; }

    .whatsapp-fab { width: 54px; height: 54px; right: 18px; bottom: 18px; }
}