/* ============================================================
   Celyn Chua — celynmusic.com
   Palette: warm neutrals with gold + orange undertones
   Type:    Fraunces (display serif) / Instrument Sans (body)
   ============================================================ */

:root {
    /* Colour */
    --canvas: #fbf5ea; /* warm ivory page background */
    --canvas-2: #f4ead7; /* deeper sand band */
    --ink: #26201a; /* espresso near-black text */
    --ink-soft: #5e5346; /* muted warm brown */
    --line: #e4d6bd; /* warm hairline */
    --marigold: #e0832f; /* primary orange accent */
    --marigold-d: #c96c1e; /* orange, darker (hover) */
    --honey: #ebb537; /* gold / yellow secondary */
    --deep: #2e251c; /* deep brown (footer / contrast) */
    --deep-ink: #efe4cf; /* text on deep brown */

    /* Type */
    --serif: "Fraunces", Georgia, "Times New Roman", serif;
    --sans:
        "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;

    /* Rhythm */
    --wrap: 1120px;
    --gutter: clamp(1.25rem, 5vw, 4rem);
    --section-y: clamp(4rem, 9vw, 7.5rem);
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    margin: 0;
    background: var(--canvas);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 1.0625rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
}

::selection {
    background: var(--honey);
    color: var(--ink);
}

/* Focus visibility (a11y) */
:focus-visible {
    outline: 3px solid var(--marigold);
    outline-offset: 3px;
    border-radius: 3px;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0.5rem;
    z-index: 200;
    background: var(--ink);
    color: var(--canvas);
    padding: 0.6rem 1rem;
    border-radius: 8px;
}
.skip-link:focus {
    left: 0.5rem;
}

/* ---------- Shared type ---------- */
.eyebrow {
    font-family: var(--sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin: 0 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.numeral {
    font-family: var(--serif);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--marigold);
    border: 1px solid var(--line);
    border-radius: 999px;
    width: 1.9rem;
    height: 1.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: none;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--sans);
    font-weight: 600;
    font-size: 0.98rem;
    letter-spacing: 0.01em;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    text-decoration: none;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition:
        transform 0.18s ease,
        background-color 0.18s ease,
        color 0.18s ease,
        border-color 0.18s ease;
}
.btn:hover {
    transform: translateY(-2px);
}
.btn--primary {
    background: var(--marigold);
    color: #fff;
}
.btn--primary:hover {
    background: var(--marigold-d);
}
.btn--ghost {
    border-color: var(--ink);
    color: var(--ink);
}
.btn--ghost:hover {
    background: var(--ink);
    color: var(--canvas);
}
.btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    background: var(--ink);
    color: var(--canvas);
}
.btn--sm:hover {
    background: var(--marigold);
}
.btn--lg {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

.link-arrow {
    font-weight: 600;
    text-decoration: none;
    color: var(--marigold-d);
    border-bottom: 1.5px solid transparent;
    transition: border-color 0.18s ease;
}
.link-arrow:hover {
    border-color: var(--marigold-d);
}

/* ---------- Announcement bar ---------- */
.announce {
    background: var(--deep);
    color: var(--deep-ink);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.6rem var(--gutter);
    position: relative;
    text-align: center;
}
.announce__text {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.4;
}
.announce__text strong {
    color: var(--honey);
    font-weight: 600;
}
.announce__link {
    color: var(--deep-ink);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(239, 228, 207, 0.4);
    white-space: nowrap;
}
.announce__link:hover {
    border-color: var(--honey);
    color: var(--honey);
}
.announce__close {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--deep-ink);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    opacity: 0.75;
}
.announce__close:hover {
    opacity: 1;
}

/* ---------- Navigation ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(251, 245, 234, 0.86);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.nav__inner {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0.85rem var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav__brand {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 1.3rem;
    text-decoration: none;
    letter-spacing: 0.01em;
}
.nav__menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}
.nav__menu a {
    text-decoration: none;
    font-weight: 500;
    font-size: 0.98rem;
}
.nav__menu a:not(.btn):hover {
    color: var(--marigold-d);
}
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
}
.nav__toggle span {
    width: 26px;
    height: 2px;
    background: var(--ink);
    transition:
        transform 0.2s ease,
        opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
}
.hero__glow {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    max-width: 720px;
    max-height: 720px;
    background: radial-gradient(
        circle,
        rgba(235, 181, 55, 0.38),
        rgba(224, 131, 47, 0.14) 45%,
        transparent 70%
    );
    pointer-events: none;
    z-index: 0;
}
.hero__inner {
    position: relative;
    z-index: 1;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: clamp(2.5rem, 6vw, 5rem) var(--gutter) var(--section-y);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    align-items: center;
}
.hero__name {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(3.2rem, 8vw, 5.75rem);
    line-height: 0.98;
    letter-spacing: -0.015em;
    margin: 0 0 1.25rem;
}
.hero__tagline {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(1.25rem, 2.4vw, 1.7rem);
    line-height: 1.4;
    color: var(--ink-soft);
    max-width: 30ch;
    margin: 0 0 2rem;
}
.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}
.hero__portrait img {
    width: 100%;
    border-radius: var(--radius);
    aspect-ratio: 3 / 4;
    object-fit: cover;
    box-shadow: 0 30px 60px -30px rgba(46, 37, 28, 0.45);
}

/* ---------- Credibility strip ---------- */
.creds {
    background: var(--canvas-2);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.creds__list {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 1.5rem var(--gutter);
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 2rem;
    font-family: var(--sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--ink);
}
.creds__list li {
    position: relative;
}
.creds__list li + li::before {
    content: "";
    position: absolute;
    left: -1rem;
    top: 50%;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--marigold);
    transform: translateY(-50%);
}

/* ---------- Generic section ---------- */
.section {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: var(--section-y) var(--gutter);
}
.section__head {
    max-width: 46ch;
    margin-bottom: clamp(2rem, 4vw, 3rem);
}
.section__title {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(1.9rem, 4vw, 3rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    margin: 0;
}
.section__title em {
    font-style: italic;
    color: var(--marigold-d);
}
.section__note {
    margin: 2rem 0 0;
    color: var(--ink-soft);
    font-size: 1.02rem;
    max-width: 60ch;
}

/* ---------- Cards (What I teach) ---------- */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        border-color 0.2s ease;
}
.card:hover {
    transform: translateY(-4px);
    border-color: var(--honey);
    box-shadow: 0 20px 40px -28px rgba(46, 37, 28, 0.4);
}
.card h3 {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 1.35rem;
    margin: 0 0 0.6rem;
}
.card p {
    margin: 0;
    color: var(--ink-soft);
}

/* ---------- Quote section (Why) ---------- */
.section--quote {
    border-top: 1px solid var(--line);
}
.quote {
    max-width: 62ch;
    margin: 0 auto;
    text-align: center;
}
.quote blockquote {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(1.5rem, 3.2vw, 2.35rem);
    line-height: 1.32;
    letter-spacing: -0.01em;
    margin: 0 0 1.5rem;
}
.quote blockquote em {
    font-style: italic;
    color: var(--marigold-d);
}
.quote__body {
    color: var(--ink-soft);
    font-size: 1.08rem;
    margin: 0;
}
.quote .eyebrow {
    justify-content: center;
}

/* ---------- Video (Listen) ---------- */
.video {
    max-width: 900px;
    margin: 0 auto;
}
.video__frame {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: 0 30px 60px -35px rgba(46, 37, 28, 0.5);
    background: var(--deep);
}
.video__frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
.video__caption {
    margin: 1.5rem auto 0;
    max-width: 60ch;
    text-align: center;
    color: var(--ink-soft);
}

/* ---------- Learn ---------- */
.section--learn {
    border-top: 1px solid var(--line);
}
.learn__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
    align-items: start;
}
.learn__feature {
    background: var(--deep);
    color: var(--deep-ink);
    border-radius: var(--radius);
    padding: clamp(1.75rem, 3vw, 2.5rem);
}
.learn__feature h3 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    margin: 0.9rem 0 0.85rem;
    color: #fff;
}
.learn__feature p {
    color: var(--deep-ink);
    opacity: 0.9;
    margin: 0 0 1.75rem;
}
.learn__feature strong {
    color: var(--honey);
    font-weight: 600;
}
.tag {
    display: inline-block;
    background: var(--honey);
    color: var(--ink);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
}

.learn__list {
    display: grid;
    gap: 1.1rem;
}
.learn__item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem 1.6rem;
}
.learn__item h3 {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 1.28rem;
    margin: 0 0 0.15rem;
}
.learn__meta {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--marigold-d);
    margin: 0 0 0.7rem;
}
.learn__item p:not(.learn__meta) {
    color: var(--ink-soft);
    margin: 0 0 0.9rem;
}

/* ---------- Contact / footer ---------- */
.contact {
    background: var(--deep);
    color: var(--deep-ink);
    border-radius: 0;
}
.contact__inner {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: var(--section-y) var(--gutter);
    text-align: center;
}
.contact .eyebrow {
    color: rgba(239, 228, 207, 0.7);
    justify-content: center;
}
.contact .numeral {
    border-color: rgba(239, 228, 207, 0.3);
    color: var(--honey);
}
.contact__title {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1.05;
    margin: 0 0 1rem;
    color: #fff;
}
.contact__lead {
    color: var(--deep-ink);
    opacity: 0.9;
    max-width: 46ch;
    margin: 0 auto 2rem;
    font-size: 1.08rem;
}
.contact__socials {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 0;
    margin: 2.5rem 0 1.5rem;
}
.contact__socials a {
    text-decoration: none;
    font-weight: 600;
    color: var(--deep-ink);
    border-bottom: 1.5px solid transparent;
    padding-bottom: 2px;
    transition:
        color 0.18s ease,
        border-color 0.18s ease;
}
.contact__socials a:hover {
    color: var(--honey);
    border-color: var(--honey);
}
.contact__location {
    color: rgba(239, 228, 207, 0.65);
    font-size: 0.95rem;
    margin: 0;
}
.colophon {
    text-align: center;
    color: rgba(239, 228, 207, 0.5);
    font-size: 0.85rem;
    padding: 1.5rem var(--gutter);
    margin: 0;
    border-top: 1px solid rgba(239, 228, 207, 0.12);
}

/* ---------- Scroll reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.6s ease,
        transform 0.6s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
    .hero__inner {
        grid-template-columns: 1fr;
    }
    .hero__portrait {
        order: -1;
        max-width: 380px;
    }
    .hero__glow {
        top: -10%;
        right: -30%;
    }
    .cards {
        grid-template-columns: 1fr;
    }
    .learn__grid {
        grid-template-columns: 1fr;
    }

    /* Mobile nav */
    .nav__toggle {
        display: flex;
    }
    .nav__menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--line);
        padding: 0.5rem var(--gutter) 1.25rem;
        display: none;
    }
    .nav--open .nav__menu {
        display: flex;
    }
    .nav__menu a {
        padding: 0.85rem 0;
        border-bottom: 1px solid var(--line);
    }
    .nav__menu .btn {
        margin-top: 0.85rem;
        align-self: flex-start;
        border: 0;
        padding-inline: 2rem;
        padding-block: 0.5rem;
    }
    .nav--open .nav__toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav--open .nav__toggle span:nth-child(2) {
        opacity: 0;
    }
    .nav--open .nav__toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

@media (max-width: 520px) {
    .announce__text {
        font-size: 0.82rem;
        padding-right: 1.5rem;
    }
    .creds__list {
        gap: 0.5rem 1.5rem;
        font-size: 0.82rem;
    }
    .hero__cta .btn {
        width: 100%;
    }
}