.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

:root {
    color-scheme: dark;
}

body {
    background:
        radial-gradient(circle at top right, rgba(242, 202, 80, 0.08), transparent 22rem),
        linear-gradient(180deg, #161616 0%, #131313 100%);
}

a {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.site-shell {
    width: min(100% - 2rem, 74rem);
    margin-left: auto;
    margin-right: auto;
}

.site-nav {
    background: rgba(19, 19, 19, 0.8);
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.site-logo {
    font-family: "Noto Serif", serif;
    font-style: italic;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: #f2ca50;
}

.nav-link,
.footer-link {
    color: #8b8578;
    font-family: "Noto Serif", serif;
    font-size: 1rem;
}

.nav-link:hover,
.footer-link:hover {
    color: #f6e6a3;
}

.nav-link-active {
    color: #f2ca50;
    border-bottom: 1px solid rgba(242, 202, 80, 0.55);
    padding-bottom: 0.25rem;
    font-family: "Noto Serif", serif;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(45deg, #f2ca50, #d4af37);
    color: #2d2300;
    padding: 0.7rem 1.15rem;
    border-radius: 0.125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.72rem;
}

.cta-button:hover {
    filter: brightness(1.06);
}

.whatsapp-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    background: #25d366;
    color: #ffffff;
    padding: 1rem 1.35rem;
    border-radius: 0.125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.76rem;
    box-shadow: 0 20px 40px rgba(37, 211, 102, 0.22);
}

.whatsapp-button:hover {
    filter: brightness(1.05);
}

.whatsapp-number {
    font-size: 0.88rem;
    letter-spacing: 0.04em;
    text-transform: none;
}

.menu-button {
    display: inline-flex;
    height: 2.8rem;
    width: 2.8rem;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(242, 202, 80, 0.18);
    background: rgba(42, 42, 42, 0.7);
    color: #f2ca50;
}

.mobile-menu-panel {
    display: grid;
    gap: 0.75rem;
    background: #1b1b1b;
    padding: 1rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.mobile-menu-link {
    color: #e2e2e2;
    padding: 0.35rem 0;
}

.eyebrow {
    display: inline-block;
    color: #f2ca50;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    border-left: 2px solid #f2ca50;
    padding-left: 1rem;
}

.ivory-gradient {
    background: linear-gradient(45deg, #f2ca50, #d4af37);
}

.section-panel {
    background: #1b1b1b;
}

.tonal-panel {
    background: #2a2a2a;
}

.piano-key-hover {
    border-left: 4px solid transparent;
    padding-left: 2rem;
    transition: padding-left 0.3s ease, border-color 0.3s ease;
}

.piano-key-hover:hover {
    border-left-color: #f2ca50;
    padding-left: calc(2rem - 4px);
}

.piano-key-pattern {
    background-image:
        linear-gradient(90deg, rgba(242, 202, 80, 0.24) 0, rgba(242, 202, 80, 0.24) 9%, transparent 9%, transparent 18%),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0.04) 100%);
    background-size: 12rem 100%, 100% 100%;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    color: #f2ca50;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.form-input {
    width: 100%;
    border: 0;
    border-bottom: 1px solid rgba(153, 144, 124, 0.4);
    background: transparent;
    padding: 0.95rem 0.25rem;
    color: #e2e2e2;
    outline: none;
}

.form-input:focus {
    border-bottom-color: #f2ca50;
    box-shadow: inset 0 -1px 0 #f2ca50;
}

.form-input-error {
    border-bottom-color: #ffb4ab;
}

.form-error {
    min-height: 1.25rem;
    margin-top: 0.35rem;
    color: #ffb4ab;
    font-size: 0.875rem;
}

.form-message {
    margin-bottom: 1.25rem;
    padding: 1rem 1.25rem;
}

.form-message-success {
    background: rgba(212, 175, 55, 0.12);
    color: #ffe088;
}

.form-message-error {
    background: rgba(147, 0, 10, 0.22);
    color: #ffdad6;
}

.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: #0f0f0f;
    padding-top: 4rem;
    padding-bottom: 2rem;
}

.footer-heading {
    color: #f2ca50;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.24em;
}

.footer-copy {
    color: #8b8578;
    line-height: 1.8;
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    color: #6f6a61;
    font-size: 0.875rem;
}

@media (max-width: 767px) {
    .site-shell {
        width: min(100% - 1.5rem, 74rem);
    }

    .piano-key-hover {
        padding-left: 1rem;
    }

    .piano-key-hover:hover {
        padding-left: calc(1rem - 4px);
    }
}