:root {
    --beige-oscuro: #ACA694;
    --beige-claro: #D0CEC3;
    --verde-menta: #D6E0DA;
    --rosa-pastel: #E8CBCD;
    --rosa-nude: #E9DAD5;
    --beige-oscuro-dark: #8e8778;
    --rosa-pastel-dark: #d4a8ac;
    --verde-menta-dark: #b5c9bf;
    --text-dark: #4a4540;
    --text-medium: #6b6560;
    --text-light: #8a847e;
    --white: #ffffff;
    --white-translucent: rgba(255, 255, 255, 0.65);
    --shadow-soft: 0 4px 24px rgba(172, 166, 148, 0.15);
    --shadow-medium: 0 8px 32px rgba(172, 166, 148, 0.2);
    --shadow-hover: 0 12px 40px rgba(172, 166, 148, 0.3);
    --font-display: 'Playfair Display', Georgia, serif;
    --font-accent: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Poppins', 'Segoe UI', sans-serif;
    --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--rosa-nude) 0%, var(--verde-menta) 50%, var(--beige-claro) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--rosa-pastel);
    color: var(--text-dark);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes floatReverse {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-5deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.fade-in {
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in-delay-1 {
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.fade-in-delay-2 {
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.fade-in-delay-3 {
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.navbar {
    padding: 16px 0;
    transition: all var(--transition-smooth);
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(172, 166, 148, 0.15);
    animation: slideDown 0.6s ease;
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-soft);
}

.navbar-brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-dark) !important;
    letter-spacing: 0.5px;
    transition: color var(--transition-fast);
}

.navbar-brand i {
    color: var(--rosa-pastel-dark);
    margin-right: 6px;
    transition: transform var(--transition-fast);
}

.navbar-brand:hover i {
    transform: rotate(15deg) scale(1.1);
}

.nav-link {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--text-medium) !important;
    padding: 8px 18px !important;
    border-radius: 50px;
    transition: all var(--transition-fast);
    position: relative;
    letter-spacing: 0.3px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-dark) !important;
    background: rgba(232, 203, 205, 0.3);
}

.nav-link.active {
    font-weight: 500;
}

.navbar-toggler {
    border: 2px solid var(--rosa-pastel);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    transition: all var(--transition-fast);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(232, 203, 205, 0.4);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%234a4540' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(
        160deg,
        var(--rosa-nude) 0%,
        var(--rosa-pastel) 25%,
        var(--verde-menta) 50%,
        var(--beige-claro) 75%,
        var(--rosa-nude) 100%
    );
    background-size: 300% 300%;
    animation: gradientShift 12s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.note {
    position: absolute;
    font-size: 2rem;
    color: rgba(172, 166, 148, 0.18);
}

.note-1 {
    top: 15%;
    left: 8%;
    font-size: 2.5rem;
    animation: float 6s ease-in-out infinite;
}

.note-2 {
    top: 25%;
    right: 12%;
    font-size: 3rem;
    animation: floatReverse 7s ease-in-out infinite 1s;
}

.note-3 {
    bottom: 30%;
    left: 15%;
    font-size: 2rem;
    animation: float 8s ease-in-out infinite 0.5s;
}

.note-4 {
    top: 60%;
    right: 8%;
    font-size: 1.8rem;
    animation: floatReverse 6.5s ease-in-out infinite 2s;
}

.note-5 {
    top: 10%;
    left: 50%;
    font-size: 1.5rem;
    animation: float 9s ease-in-out infinite 1.5s;
}

.note-6 {
    bottom: 15%;
    right: 25%;
    font-size: 2.2rem;
    animation: floatReverse 7.5s ease-in-out infinite 0.8s;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

.hero-badge {
    width: 90px;
    height: 90px;
    background: var(--white-translucent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 2rem;
    color: var(--rosa-pastel-dark);
    border: 2px solid rgba(232, 203, 205, 0.3);
    animation: fadeInUp 0.8s ease, pulse 3s ease-in-out infinite 1s;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: 1px;
    line-height: 1.1;
}

.hero-subtitle {
    font-family: var(--font-accent);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--text-medium);
    margin-bottom: 10px;
    font-style: italic;
    letter-spacing: 1px;
}

.hero-author {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.hero-author span {
    color: var(--rosa-pastel-dark);
    font-weight: 500;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--rosa-pastel), var(--rosa-nude));
    color: var(--text-dark);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: 50px;
    border: none;
    transition: all var(--transition-smooth);
    box-shadow: 0 6px 24px rgba(232, 203, 205, 0.4);
    letter-spacing: 0.5px;
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 36px rgba(232, 203, 205, 0.55);
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--rosa-pastel-dark), var(--rosa-pastel));
}

.hero-btn i {
    font-size: 0.85rem;
}

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    z-index: 1;
    color: var(--verde-menta);
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 100px;
}

.playlist-section,
.about-section {
    padding: 100px 0;
    position: relative;
}

.playlist-section {
    background: linear-gradient(180deg, var(--verde-menta) 0%, var(--white) 15%, var(--white) 85%, var(--rosa-nude) 100%);
}

.about-section {
    background: linear-gradient(180deg, var(--rosa-nude) 0%, var(--verde-menta) 50%, var(--beige-claro) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(232, 203, 205, 0.3);
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--rosa-pastel-dark);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
    border: 1px solid rgba(232, 203, 205, 0.3);
}

.section-tag i {
    margin-right: 6px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.section-description {
    font-family: var(--font-accent);
    font-size: 1.15rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 0;
}

.title-decoration {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--rosa-pastel), var(--verde-menta));
    margin: 20px auto 0;
    border-radius: 2px;
}

.song-card {
    background: var(--white-translucent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.5);
    overflow: hidden;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-soft);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.song-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(232, 203, 205, 0.5);
}

.card-number {
    position: absolute;
    top: 12px;
    right: 12px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: rgba(172, 166, 148, 0.25);
    z-index: 3;
    pointer-events: none;
    line-height: 1;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--beige-claro), var(--rosa-nude));
}

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

.card-body-custom {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.song-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
    line-height: 1.3;
}

.song-artist {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--rosa-pastel-dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.song-artist i {
    font-size: 0.7rem;
}

.song-desc {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 0;
    flex-grow: 1;
}

.about-card {
    background: var(--white-translucent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-medium);
    text-align: center;
    position: relative;
}

.about-quote-icon {
    font-size: 2rem;
    color: var(--rosa-pastel);
    margin-bottom: 16px;
    opacity: 0.6;
}

.about-quote-right {
    margin-bottom: 0;
    margin-top: 16px;
}

.about-text {
    font-family: var(--font-accent);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-dark);
    line-height: 1.9;
    font-style: italic;
    margin-bottom: 0;
}

.icon-feature {
    text-align: center;
    padding: 30px 15px;
    transition: transform var(--transition-smooth);
}

.icon-feature:hover {
    transform: translateY(-5px);
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: var(--white-translucent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.6rem;
    color: var(--rosa-pastel-dark);
    border: 2px solid rgba(232, 203, 205, 0.3);
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-soft);
}

.icon-feature:hover .icon-circle {
    background: linear-gradient(135deg, var(--rosa-pastel), var(--rosa-nude));
    color: var(--text-dark);
    transform: scale(1.08);
    box-shadow: var(--shadow-medium);
}

.icon-feature h6 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.icon-feature p {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--text-light);
    margin-bottom: 0;
}

.footer-section {
    background: var(--text-dark);
    padding: 40px 0;
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--rosa-pastel);
    margin-bottom: 8px;
}

.footer-brand i {
    margin-right: 4px;
}

.footer-text {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--beige-claro);
    margin-bottom: 0;
    font-weight: 300;
}

.footer-text i {
    color: var(--rosa-pastel);
}

.btn-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--rosa-pastel), var(--rosa-nude));
    color: var(--text-dark);
    border: none;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-smooth);
    box-shadow: 0 4px 16px rgba(232, 203, 205, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.btn-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(232, 203, 205, 0.55);
}

@media (max-width: 991.98px) {
    .hero-title {
        font-size: 3.2rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .section-title {
        font-size: 2.3rem;
    }

    .about-card {
        padding: 35px 25px;
    }

    .about-text {
        font-size: 1.1rem;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-badge {
        width: 70px;
        height: 70px;
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.9rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .playlist-section,
    .about-section {
        padding: 70px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .about-card {
        padding: 30px 20px;
    }

    .about-text {
        font-size: 1rem;
    }

    .icon-circle {
        width: 65px;
        height: 65px;
        font-size: 1.3rem;
    }

    .note {
        display: none;
    }

    .hero-wave svg {
        height: 60px;
    }

    .btn-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 575.98px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-author {
        font-size: 0.85rem;
    }

    .hero-btn {
        padding: 12px 28px;
        font-size: 0.85rem;
    }

    .section-title {
        font-size: 1.6rem;
    }
}