/* =========================================
   VARIABLES & RESET
========================================= */
:root {
    --bg:           #0a0a0a;
    --bg-alt:       #111111;
    --bg-card:      #161616;
    --border:       rgba(255,255,255,0.07);
    --border-md:    rgba(255,255,255,0.15);
    --border-hi:    rgba(255,255,255,0.3);
    --text:         #f0f0f0;
    --text-sec:     #888888;
    --text-muted:   #444444;
    --white:        #ffffff;
    --black:        #000000;

    --font-display: 'Bebas Neue', sans-serif;
    --font-body:    'Montserrat', sans-serif;

    --nav-h:   80px;
    --pad-sec: clamp(80px, 10vw, 140px);
    --max-w:   1200px;
    --gap:     40px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.65;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
strong { font-weight: 600; }
em { font-style: italic; }

::-webkit-scrollbar       { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--text-muted); }


/* =========================================
   LAYOUT HELPERS
========================================= */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 60px);
}

.section        { padding: var(--pad-sec) 0; }
.section--alt   { background: var(--bg-alt); }
.text-center    { text-align: center; }

.section-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 16px;
    display: block;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(52px, 9vw, 110px);
    line-height: .92;
    letter-spacing: 2px;
    color: var(--text);
    margin-bottom: clamp(40px, 6vw, 80px);
}

/* =========================================
   REVEAL ANIMATIONS
========================================= */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity .9s ease, transform .9s ease;
}
.reveal.visible                { opacity: 1; transform: translateY(0); }
.reveal-delay-1.visible        { transition-delay: .12s; }
.reveal-delay-2.visible        { transition-delay: .24s; }
.reveal-delay-3.visible        { transition-delay: .36s; }
.reveal-delay-4.visible        { transition-delay: .48s; }

/* =========================================
   NAVIGATION
========================================= */
.nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 900;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    background: rgba(10,10,10,.95);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav__logo {
    height: 44px;
    display: flex;
    align-items: center;
}

.nav__logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
    mix-blend-mode: screen;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav__link {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 3.5px;
    text-transform: uppercase;
    color: var(--text-sec);
    position: relative;
    transition: color .3s ease;
    cursor: none;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--white);
    transition: width .35s ease;
}

.nav__link:hover,
.nav__link.active { color: var(--white); }
.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

/* hamburger */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--white);
    transition: all .35s ease;
    transform-origin: center;
}

.nav__toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav__toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* =========================================
   HERO
========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 640px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg img {
    width: 100%;
    height: 110%;
    object-fit: cover;
    object-position: center 20%;
    filter: grayscale(100%);
    will-change: transform;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom, rgba(0,0,0,.25) 0%, rgba(0,0,0,.6) 60%, rgba(0,0,0,.95) 100%),
        linear-gradient(to right, rgba(0,0,0,.4) 0%, transparent 60%);
    z-index: 1;
}

/* grain */
.hero__grain {
    position: absolute;
    inset: 0;
    z-index: 2;
    opacity: .045;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 300px;
}

.hero__content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 20px;
}

.hero__eyebrow {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--text-sec);
    margin-bottom: 28px;
    opacity: 0;
    animation: fadeUp .8s ease .4s forwards;
}

.hero__name {
    font-family: var(--font-display);
    font-size: clamp(80px, 16vw, 200px);
    line-height: .88;
    letter-spacing: 4px;
    color: var(--white);
    margin-bottom: 28px;
    opacity: 0;
    animation: fadeUp .9s ease .6s forwards;
}

.hero__title {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 7px;
    text-transform: uppercase;
    color: var(--text-sec);
    opacity: 0;
    animation: fadeUp .8s ease .9s forwards;
}

.hero__scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeUp .8s ease 1.3s forwards;
    cursor: none;
}

.hero__scroll-line {
    width: 1px;
    height: 44px;
    background: linear-gradient(to bottom, transparent, var(--text-muted));
    animation: scrollPulse 2.2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: .3; transform: scaleY(1); }
    50%       { opacity: .9; transform: scaleY(1.2); }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(32px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* =========================================
   ABOUT
========================================= */
.about__grid {
    display: grid;
    grid-template-columns: 55% 1fr;
    gap: clamp(40px, 7vw, 100px);
    align-items: center;
}

.about__text .section-title { margin-bottom: 32px; }

.about__text p {
    font-size: 15px;
    color: var(--text-sec);
    line-height: 1.85;
    margin-bottom: 20px;
}

.about__text p:first-of-type {
    font-size: 17px;
    color: var(--text);
    line-height: 1.7;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    margin-top: 48px;
}

.stat {
    background: var(--bg);
    padding: 28px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat__number {
    font-family: var(--font-display);
    font-size: 40px;
    letter-spacing: 1px;
    color: var(--white);
    line-height: 1;
}

.stat__label {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.about__image {
    position: relative;
}

.about__image img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    object-position: center top;
    filter: grayscale(100%);
}

.about__image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--border-md);
    pointer-events: none;
    translate: 14px -14px;
    z-index: -1;
}

/* =========================================
   TIMELINE
========================================= */
.timeline {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    padding-top: 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border);
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 48px 1fr;
    column-gap: 28px;
    align-items: center;
    margin-bottom: 56px;
}

/* odd: content left, empty right */
.timeline-item:nth-child(odd)  > :nth-child(1) { order: 1; text-align: right; }
.timeline-item:nth-child(odd)  > :nth-child(2) { order: 2; }
.timeline-item:nth-child(odd)  > :nth-child(3) { order: 3; }
/* even: empty left, content right */
.timeline-item:nth-child(even) > :nth-child(1) { order: 3; }
.timeline-item:nth-child(even) > :nth-child(2) { order: 2; }
.timeline-item:nth-child(even) > :nth-child(3) { order: 1; text-align: left; }

.timeline-year {
    grid-column: 2;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-md);
    border-radius: 50%;
    background: var(--bg-alt);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.timeline-year span {
    font-family: var(--font-display);
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--text);
    writing-mode: horizontal-tb;
}

.timeline-content {
    padding: 16px 0;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 2px;
    color: var(--text);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 13px;
    color: var(--text-sec);
    line-height: 1.75;
}

.timeline-empty { /* placeholder */ }

/* =========================================
   DISCOGRAPHY
========================================= */
.disc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
}

.disc-card {
    background: var(--bg-card);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    transition: background .35s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.disc-card::before {
    content: '';
    position: absolute;
    inset: 0 0 0 0;
    border-left: 3px solid transparent;
    transition: border-color .35s ease;
    pointer-events: none;
}

.disc-card:hover { background: var(--bg-alt); }
.disc-card:hover::before { border-left-color: var(--white); }

.disc-card__year {
    font-family: var(--font-display);
    font-size: 64px;
    line-height: 1;
    color: var(--border-md);
    position: absolute;
    top: 16px;
    right: 20px;
    letter-spacing: 2px;
    pointer-events: none;
    transition: color .35s;
}

.disc-card:hover .disc-card__year { color: var(--border-hi); }

.disc-card__type {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.disc-card__title {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 2px;
    color: var(--text);
    line-height: 1.1;
}

.disc-card__artist {
    font-size: 12px;
    color: var(--text-sec);
    margin-top: 4px;
}

.disc-card--featured .disc-card__type { color: var(--text-sec); }

/* =========================================
   BANDS
========================================= */
.bands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    margin-bottom: 80px;
}

.bands-item {
    padding: 22px 24px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-sec);
    overflow: hidden;
    background: linear-gradient(to right, var(--white) 50%, var(--bg-alt) 50%);
    background-size: 200% 100%;
    background-position: 100% 0;
    transition: color .35s ease, padding-left .35s ease, background-position .35s ease;
    cursor: default;
}

.bands-item:hover {
    color: var(--black);
    padding-left: 32px;
    background-position: 0% 0;
}

/* teachers */
.teachers { margin-top: 80px; }
.teachers > .section-label { margin-bottom: 32px; }

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
}

.teacher-card {
    background: var(--bg-alt);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    border-left: 1px solid transparent;
    transition: border-color .35s, background .35s;
}

.teacher-card:hover {
    background: var(--bg-card);
    border-left-color: var(--border-hi);
}

.teacher-card__year {
    font-family: var(--font-display);
    font-size: 72px;
    line-height: 1;
    color: var(--border);
    position: absolute;
    top: 12px;
    right: 16px;
    pointer-events: none;
    transition: color .35s;
}

.teacher-card:hover .teacher-card__year { color: var(--border-md); }

.teacher-card__name {
    font-family: var(--font-display);
    font-size: 26px;
    letter-spacing: 2px;
    color: var(--text);
    margin-bottom: 8px;
}

.teacher-card__origin {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* =========================================
   GALLERY
========================================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 300px;
    gap: 3px;
}

.gallery-item { overflow: hidden; }
.gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.gallery-item:nth-child(4) { grid-column: span 2; }

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: transform .7s ease, filter .5s ease;
    will-change: transform;
}

.gallery-item:hover img {
    transform: scale(1.06);
    filter: grayscale(40%);
}

/* =========================================
   ENDORSERS
========================================= */
.setup-img-wrap {
    text-align: center;
    margin: 2.5rem 0 3rem;
}
.setup-img {
    max-width: 100%;
    width: 100%;
    max-height: 600px;
    object-fit: contain;
    border-radius: 8px;
}

.endorsers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
}

.endorser-card {
    background: var(--bg);
    display: flex;
    flex-direction: column;
    transition: background .35s;
    position: relative;
    overflow: hidden;
}

.endorser-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 1px;
    background: var(--white);
    transition: width .4s ease;
}

.endorser-card:hover { background: var(--bg-card); }
.endorser-card:hover::after { width: 100%; }

/* logo area */
.endorser-logo-wrap {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 28px;
    border-bottom: 1px solid var(--border);
}

.endorser-logo-img {
    display: block;
    width: 100%;
    height: 60px;
    object-fit: contain;
    filter: grayscale(1) invert(1);
    opacity: .65;
    transition: opacity .35s, filter .35s;
}

/* Land Audio logo is already light — don't invert */
.endorser-logo--light {
    filter: grayscale(1) brightness(1.2);
}

.endorser-card:hover .endorser-logo-img {
    opacity: 1;
}

/* text-only logo fallback */
.endorser-logo-text {
    font-family: var(--font-display);
    font-size: 32px;
    letter-spacing: 3px;
    color: var(--text-muted);
    text-transform: uppercase;
    transition: color .35s;
}

.endorser-card:hover .endorser-logo-text {
    color: var(--text);
}

/* info strip */
.endorser-info {
    padding: 20px 24px;
}

.endorser-category {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 3.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.endorser-name {
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 2px;
    color: var(--text);
}

/* =========================================
   CONTACT
========================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 7vw, 100px);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.contact-item {
    border-bottom: 1px solid var(--border);
    padding-bottom: 32px;
}

.contact-item__label {
    display: block;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.contact-item__value {
    font-family: var(--font-display);
    font-size: 20px;
    letter-spacing: 1.5px;
    color: var(--text);
    line-height: 1.4;
    transition: color .3s;
}

.contact-item__value:hover { color: var(--text-sec); }

/* social links */
.contact-social {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-social__link {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color .3s, gap .3s;
}

.contact-social__link:hover {
    color: var(--white);
    gap: 16px;
}

/* map */
.contact-map {
    position: relative;
    overflow: hidden;
    min-height: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.contact-map iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(100%) invert(.92) contrast(1.15) brightness(.9);
    opacity: .85;
    transition: opacity .3s;
}

.contact-map:hover iframe { opacity: 1; }

/* =========================================
   LIVROS
========================================= */
.books-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3px;
    background: var(--border);
    border: 1px solid var(--border);
    max-width: 860px;
    margin: 0 auto;
}

.book-card {
    background: var(--bg);
    display: flex;
    flex-direction: row;
    gap: 0;
    transition: background .35s;
    overflow: hidden;
}

.book-card:hover { background: var(--bg-card); }

/* cover */
.book-cover-wrap {
    flex-shrink: 0;
    width: 140px;
    position: relative;
    padding: 28px 0 28px 28px;
}

.book-cover {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 2px;
    box-shadow:
        4px 4px 12px rgba(0,0,0,.7),
        8px 8px 28px rgba(0,0,0,.5),
        0 0 40px rgba(255,255,255,.04);
    transition: transform .45s ease, box-shadow .45s ease;
}

.book-card:hover .book-cover {
    transform: translateY(-4px) rotate(-1deg);
    box-shadow:
        6px 10px 20px rgba(0,0,0,.8),
        12px 20px 40px rgba(0,0,0,.6),
        0 0 60px rgba(255,255,255,.06);
}

/* info */
.book-info {
    flex: 1;
    padding: 28px 24px 28px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.book-badge {
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    border: 1px solid var(--border-md);
    padding: 4px 10px;
    display: inline-block;
    width: fit-content;
}

.book-title {
    font-family: var(--font-display);
    font-size: 26px;
    letter-spacing: 2px;
    line-height: 1;
    color: var(--text);
}

.book-desc {
    font-size: 12px;
    color: var(--text-sec);
    line-height: 1.7;
    flex: 1;
}

.book-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--white);
    border: 1px solid var(--border-hi);
    width: fit-content;
    transition: background .3s, color .3s, border-color .3s;
    margin-top: auto;
}

.book-btn:hover {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.book-btn svg { flex-shrink: 0; }

/* =========================================
   AGENDA
========================================= */
.agenda-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 24px;
    flex-wrap: wrap;
}

.agenda-header .section-title { margin-bottom: 0; }

.agenda-subtitle {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding-bottom: 12px;
}

.agenda-list {
    list-style: none;
    border-top: 1px solid var(--border);
}

/* row */
.agenda-item {
    display: grid;
    grid-template-columns: 100px 1px 1fr auto auto;
    align-items: center;
    gap: 32px;
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
    position: relative;
    transition: padding-left .35s ease, border-color .3s;
}

.agenda-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--white);
    transform: scaleY(0);
    transform-origin: center;
    transition: transform .35s ease;
}

.agenda-item:hover {
    padding-left: 18px;
    border-bottom-color: var(--border-md);
}

.agenda-item:hover::before { transform: scaleY(1); }

/* past */
.agenda-item--past {
    opacity: .35;
}

/* date block */
.agenda-date {
    display: flex;
    align-items: baseline;
    gap: 6px;
    flex-shrink: 0;
}

.agenda-day {
    font-family: var(--font-display);
    font-size: 52px;
    line-height: 1;
    color: var(--text);
    letter-spacing: 0;
}

.agenda-date-right {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.agenda-month {
    font-family: var(--font-display);
    font-size: 16px;
    letter-spacing: 2px;
    color: var(--text-sec);
    line-height: 1;
}

.agenda-year {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--text-muted);
}

/* divider */
.agenda-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
    flex-shrink: 0;
}

/* details */
.agenda-details { flex: 1; min-width: 0; }

.agenda-weekday {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: 4px;
}

.agenda-venue {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 2px;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* band */
.agenda-band {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-sec);
    flex-shrink: 0;
}

/* status tag */
.agenda-status { flex-shrink: 0; }

.agenda-tag {
    display: inline-block;
    padding: 5px 12px;
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    border: 1px solid;
}

.agenda-tag--next {
    color: var(--text);
    border-color: var(--border-md);
}

.agenda-tag--done {
    color: var(--text-muted);
    border-color: var(--border);
}

/* responsive */
@media (max-width: 768px) {
    .agenda-item {
        grid-template-columns: 80px 1px 1fr;
        grid-template-rows: auto auto;
        gap: 16px;
        row-gap: 8px;
    }

    .agenda-band   { grid-column: 3; grid-row: 2; }
    .agenda-status { display: none; }
    .agenda-day    { font-size: 40px; }
    .agenda-venue  { font-size: 22px; }
}

/* =========================================
   VÍDEOS
========================================= */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3px;
    background: var(--border);
    border: 1px solid var(--border);
}

.video-card {
    background: var(--bg-card);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* facade / thumbnail */
.video-facade {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    cursor: pointer;
}

.video-facade img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: transform .5s ease, filter .5s ease;
    display: block;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.38);
    transition: background .3s;
}

.video-facade:hover img { transform: scale(1.04); filter: grayscale(0%); }
.video-facade:hover .video-overlay { background: rgba(0,0,0,.2); }

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 68px;
    height: 68px;
    background: rgba(0,0,0,.65);
    border: 2px solid rgba(255,255,255,.75);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: background .3s, border-color .3s, transform .3s;
    cursor: pointer;
    padding-left: 4px; /* optical centering of play icon */
}

.video-facade:hover .video-play-btn {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
    transform: translate(-50%, -50%) scale(1.1);
}

/* when playing — iframe replaces facade */
.video-card iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
    display: block;
}

/* info bar */
.video-info {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-top: 1px solid var(--border);
}

.video-label {
    display: block;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.video-title {
    font-family: var(--font-display);
    font-size: 20px;
    letter-spacing: 1.5px;
    color: var(--text);
    line-height: 1.1;
}

.video-yt-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    border: 1px solid var(--border);
    white-space: nowrap;
    transition: color .3s, border-color .3s;
}

.video-yt-btn:hover {
    color: var(--white);
    border-color: var(--border-hi);
}

/* book btn disabled */
.book-btn--disabled {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    border: 1px solid var(--border);
    width: fit-content;
    cursor: default;
    margin-top: auto;
}

/* =========================================
   FOOTER
========================================= */
.footer {
    border-top: 1px solid var(--border);
    padding: 48px 0;
    background: var(--black);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer__logo {
    height: 40px;
    display: flex;
    align-items: center;
}

.footer__logo img {
    height: 100%;
    width: auto;
    mix-blend-mode: screen;
    opacity: .7;
    transition: opacity .3s;
}

.footer__logo:hover img { opacity: 1; }

.footer__copy {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.footer__social {
    display: flex;
    gap: 28px;
}

.footer__social a {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color .3s;
}

.footer__social a:hover { color: var(--white); }

/* =========================================
   WHATSAPP FLOAT
========================================= */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 800;
    width: 54px;
    height: 54px;
    background: var(--bg-card);
    border: 1px solid var(--border-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: background .3s, color .3s, transform .3s, border-color .3s;
}

.whatsapp-float svg { width: 22px; height: 22px; }

.whatsapp-float:hover {
    background: var(--white);
    color: var(--black);
    transform: scale(1.1);
    border-color: var(--white);
}

/* =========================================
   RESPONSIVE — tablet
========================================= */
@media (max-width: 1024px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about__image {
        order: -1;
        max-height: 480px;
        overflow: hidden;
    }

    .about__image img { aspect-ratio: 16/9; object-position: center 30%; }

    .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 260px; }
    .gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 1; }
    .gallery-item:nth-child(4) { grid-column: span 1; }

    .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .endorsers-grid { grid-template-columns: repeat(2, 1fr); }
    .books-grid { grid-template-columns: 1fr; }
    .videos-grid { grid-template-columns: 1fr; }
}

/* =========================================
   RESPONSIVE — mobile
========================================= */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(5,5,5,.97);
        backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transform: translateX(100%);
        transition: transform .45s cubic-bezier(.76,0,.24,1);
    }

    .nav__menu.open { transform: translateX(0); }
    .nav__link { font-size: 14px; letter-spacing: 4px; }
    .nav__toggle { display: flex; }

    /* hero */
    .hero__name { font-size: clamp(64px, 22vw, 100px); }

    /* timeline mobile: single column */
    .timeline::before { left: 24px; transform: none; }

    .timeline-item {
        grid-template-columns: 48px 1fr;
        column-gap: 20px;
    }

    .timeline-item:nth-child(odd)  > :nth-child(1),
    .timeline-item:nth-child(even) > :nth-child(1) {
        display: none; /* hide empty side */
    }

    .timeline-item:nth-child(odd)  > :nth-child(2),
    .timeline-item:nth-child(even) > :nth-child(2) { order: 1; }

    .timeline-item:nth-child(odd)  > :nth-child(3),
    .timeline-item:nth-child(even) > :nth-child(3) { order: 2; text-align: left; }

    .about__stats { grid-template-columns: repeat(3, 1fr); }
    .teachers-grid { grid-template-columns: 1fr 1fr; }

    .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
    .gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 1; }

    .footer__inner { flex-direction: column; text-align: center; }
    .footer__social { justify-content: center; flex-wrap: wrap; gap: 20px; }
}

@media (max-width: 480px) {
    .about__stats { grid-template-columns: 1fr; }
    .teachers-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
    .gallery-item:nth-child(1),
    .gallery-item:nth-child(4) { grid-column: span 1; }
    .disc-grid { grid-template-columns: 1fr; }
    .endorsers-grid { grid-template-columns: 1fr 1fr; }
    .endorser-logo-wrap { height: 110px; }
    .book-cover-wrap { width: 110px; }
    .book-title { font-size: 20px; }
}