/* ============================================================
   NORTH FIGHT TEAM — Jiu-Jitsu
   Matar ou Morrer.
   ============================================================ */

/* --- Reset & tokens --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root {
    --black: #0a0a0a;
    --black-soft: #141414;
    --black-deep: #050505;
    --white: #f5f3ee;
    --white-dim: rgba(245, 243, 238, 0.72);
    --white-mute: rgba(245, 243, 238, 0.5);
    --red: #c0211c;
    --red-dark: #8f1714;
    --gold: #c9a961;
    --border: rgba(245, 243, 238, 0.12);
    --border-dark: rgba(10, 10, 10, 0.15);

    --font-display: 'Bebas Neue', 'Impact', sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    --max: 1240px;
    --pad: clamp(20px, 5vw, 60px);
    --radius: 4px;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    --transition: 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

body {
    font-family: var(--font-body);
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { background: none; border: none; cursor: pointer; font: inherit; color: inherit; }
ul { list-style: none; }

.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad);
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 0.92;
    letter-spacing: 0.01em;
    text-transform: uppercase;
}

.section__eyebrow {
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--red);
    font-weight: 600;
    margin-bottom: 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}
.section__eyebrow::before {
    content: '';
    width: 40px; height: 1px;
    background: var(--red);
}
.section__eyebrow--light { color: var(--gold); }
.section__eyebrow--light::before { background: var(--gold); }

.section__title {
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    color: var(--white);
}
.section__title .accent { color: var(--red); font-style: italic; }
.section__title--light { color: var(--white); }

.section__lead {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    color: var(--white-dim);
    max-width: 720px;
    margin-bottom: 3rem;
}

/* ============ NAV ============ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 18px 0;
    transition: background var(--transition), backdrop-filter var(--transition), padding var(--transition);
}
.nav.is-scrolled {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.nav__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.nav__logo {
    display: flex;
    align-items: baseline;
    gap: 10px;
    letter-spacing: 0.03em;
}
.nav__logo-mark {
    font-family: var(--font-display);
    font-size: 1.9rem;
    letter-spacing: 0.08em;
}
.nav__logo-sub {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--white-mute);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav__menu a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white-dim);
    transition: color var(--transition);
    position: relative;
}
.nav__menu a:hover { color: var(--white); }
.nav__menu a.nav__cta {
    background: var(--red);
    color: var(--white);
    padding: 10px 22px;
    border-radius: var(--radius);
    letter-spacing: 0.15em;
}
.nav__menu a.nav__cta:hover { background: var(--red-dark); }

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 32px; height: 32px;
    justify-content: center;
    align-items: center;
    z-index: 110;
}
.nav__toggle span {
    width: 24px; height: 2px;
    background: var(--white);
    transition: transform 0.3s, opacity 0.3s;
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
    white-space: nowrap;
    border: 2px solid transparent;
}
.btn--primary {
    background: var(--red);
    color: var(--white);
}
.btn--primary:hover {
    background: var(--red-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(192, 33, 28, 0.4);
}
.btn--ghost {
    border-color: var(--white);
    color: var(--white);
    background: transparent;
}
.btn--ghost:hover {
    background: var(--white);
    color: var(--black);
}
.btn--ghost.btn--dark {
    border-color: var(--black);
    color: var(--black);
}
.btn--ghost.btn--dark:hover {
    background: var(--black);
    color: var(--white);
}
.btn--light {
    border-color: rgba(245, 243, 238, 0.6);
}
.btn--xl {
    padding: 18px 36px;
    font-size: 0.95rem;
}

/* ============ HERO ============ */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding: 120px 20px 140px;
}
.hero__video {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 0;
    filter: grayscale(30%) contrast(1.05);
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 40%, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.85) 100%),
        linear-gradient(180deg, rgba(10,10,10,0.6) 0%, rgba(10,10,10,0.5) 50%, rgba(10,10,10,0.95) 100%);
    z-index: 1;
}
.hero__content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}
.hero__eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.5rem;
    font-weight: 500;
}
.hero__title {
    font-size: clamp(3.5rem, 15vw, 10rem);
    line-height: 0.85;
    letter-spacing: 0.02em;
    margin-bottom: 1.8rem;
    color: var(--white);
    text-shadow: 0 4px 40px rgba(0,0,0,0.6);
}
.hero__title-line {
    display: block;
    overflow: hidden;
}
.hero__title-line:nth-child(2) {
    color: var(--red);
    font-style: italic;
}
.hero__motto {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 2rem);
    letter-spacing: 0.15em;
    color: var(--gold);
    margin-bottom: 0.5rem;
    font-style: italic;
}
.hero__tagline {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    color: var(--white-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 3rem;
}
.hero__ctas {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero__scroll {
    position: absolute;
    bottom: 48px; left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    width: 26px; height: 44px;
    border: 2px solid var(--white-mute);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
    opacity: 0.7;
    transition: opacity var(--transition);
}
.hero__scroll:hover { opacity: 1; }
.hero__scroll span {
    width: 3px; height: 8px;
    background: var(--white);
    border-radius: 2px;
    animation: scroll-bob 1.6s ease-in-out infinite;
}
@keyframes scroll-bob {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.3; }
}

/* ============ SECTIONS ============ */
.section {
    padding: clamp(60px, 10vw, 120px) 0;
    position: relative;
}

/* ============ ADN ============ */
.adn {
    background: var(--black);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2px;
    margin-top: 3rem;
    background: var(--border);
    border: 1px solid var(--border);
}
.pillar {
    padding: 40px 30px;
    background: var(--black-soft);
    transition: background var(--transition);
}
.pillar:hover { background: var(--black-deep); }
.pillar__num {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--red);
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
}
.pillar h3 {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
}
.pillar p {
    color: var(--white-dim);
    font-size: 0.95rem;
    line-height: 1.55;
}

/* ============ SENSEI ============ */
.sensei {
    background: linear-gradient(180deg, var(--black) 0%, var(--black-soft) 100%);
}
.sensei__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(30px, 5vw, 80px);
    align-items: center;
}
.sensei__media {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    border-radius: var(--radius);
}
.sensei__media img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center 20%;
    filter: grayscale(20%) contrast(1.05);
    transition: transform 1.2s var(--transition);
}
.sensei__media:hover img { transform: scale(1.03); }
.sensei__badge {
    position: absolute;
    bottom: 20px; left: 20px;
    background: var(--red);
    color: var(--white);
    padding: 12px 20px;
    display: flex;
    flex-direction: column;
    line-height: 1;
}
.sensei__badge span {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 4px;
}
.sensei__badge strong {
    font-family: var(--font-display);
    font-size: 1.8rem;
    letter-spacing: 0.05em;
}
.sensei__bio {
    font-size: 1.05rem;
    color: var(--white-dim);
    margin-bottom: 1.8rem;
}
.sensei__quote {
    border-left: 3px solid var(--red);
    padding: 10px 0 10px 24px;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    font-style: italic;
    color: var(--white);
    line-height: 1.5;
}
.sensei__actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.sensei__insta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white-dim);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    font-weight: 500;
    transition: color var(--transition);
}
.sensei__insta:hover { color: var(--gold); }
.sensei__insta svg { opacity: 0.85; }

/* ============ PALMARÈS ============ */
.palmares {
    background: var(--black-deep);
    text-align: left;
}
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 3rem 0;
    padding: 40px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, var(--black-soft) 0%, var(--black) 100%);
}
.stat {
    text-align: center;
    padding: 10px;
}
.stat__num {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    color: var(--red);
    line-height: 1;
    margin-bottom: 0.5rem;
}
.stat__label {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--white-dim);
    line-height: 1.4;
}
.palmares__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 2rem;
}
.palmares__card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--black-soft);
}
.palmares__card img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform 0.8s var(--transition);
}
.palmares__card:hover img { transform: scale(1.05); }
.palmares__card figcaption {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 24px;
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.9) 100%);
    color: var(--white);
}
.palmares__card strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.4rem;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}
.palmares__card span {
    font-size: 0.8rem;
    color: var(--white-dim);
    letter-spacing: 0.1em;
}

/* ============ COURS ============ */
.cours {
    background: var(--black);
}
.cours__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}
.cours__card {
    background: var(--black-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), border-color var(--transition);
}
.cours__card:hover {
    transform: translateY(-6px);
    border-color: var(--red);
}
.cours__card--kids:hover { border-color: var(--gold); }
.cours__media {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--black);
    position: relative;
}
.cours__media video {
    width: 100%; height: 100%;
    object-fit: cover;
}
.cours__body {
    padding: 32px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.cours__tag {
    display: inline-block;
    align-self: flex-start;
    background: var(--red);
    color: var(--white);
    padding: 6px 14px;
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 1rem;
    border-radius: 2px;
}
.cours__tag--kids { background: var(--gold); color: var(--black); }
.cours__card h3 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    margin-bottom: 0.8rem;
}
.cours__body p {
    color: var(--white-dim);
    margin-bottom: 1.5rem;
    flex: 1;
}
.schedule {
    margin-bottom: 2rem;
    border-top: 1px solid var(--border);
}
.schedule li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}
.schedule li span {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.8rem;
    color: var(--white-mute);
    font-weight: 600;
}
.schedule li strong {
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    color: var(--white);
}

/* ============ GALERIE ============ */
.galerie {
    background: var(--black-deep);
}
.gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 200px;
    gap: 8px;
    margin-top: 3rem;
}
.gallery__item {
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: var(--black);
}
.gallery__item--wide {
    grid-column: span 2;
    grid-row: span 2;
}
.gallery__item img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--transition), filter 0.5s var(--transition);
    filter: grayscale(30%);
}
.gallery__item:hover img {
    transform: scale(1.08);
    filter: grayscale(0%);
}
.gallery__item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.5) 100%);
    opacity: 0;
    transition: opacity var(--transition);
}
.gallery__item:hover::after { opacity: 1; }

/* ============ CONTACT ============ */
.contact {
    position: relative;
    padding: clamp(80px, 12vw, 160px) 0;
    overflow: hidden;
    text-align: center;
}
.contact__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.contact__bg img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: grayscale(80%) contrast(1.1);
}
.contact__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5,5,5,0.9) 0%, rgba(5,5,5,0.95) 100%);
    z-index: 1;
}
.contact__content {
    position: relative;
    z-index: 2;
}
.contact__content .section__eyebrow,
.contact__content .section__title {
    justify-content: center;
}
.contact__lead {
    font-size: 1.1rem;
    color: var(--white-dim);
    max-width: 620px;
    margin: 0 auto 3rem;
}
.contact__actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}
.contact__info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    max-width: 820px;
    margin: 0 auto;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
}
.contact__info > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.contact__info-label {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
}
.contact__info strong {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    color: var(--white);
}

/* ============ FOOTER ============ */
.footer {
    background: var(--black-deep);
    padding: 60px 0 40px;
    border-top: 1px solid var(--border);
    text-align: center;
}
.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}
.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}
.footer__mark {
    font-family: var(--font-display);
    font-size: 2.4rem;
    letter-spacing: 0.1em;
    color: var(--white);
}
.footer__sub {
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--white-mute);
}
.footer__motto {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 0.15em;
    color: var(--red);
    font-style: italic;
}
.footer__links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}
.footer__links a {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--white-dim);
    transition: color var(--transition);
}
.footer__links a:hover { color: var(--red); }
.footer__copy {
    font-size: 0.75rem;
    color: var(--white-mute);
    margin-top: 1rem;
}

/* ============ LIGHTBOX ============ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0,0,0,0.95);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.lightbox.is-open { display: flex; }
.lightbox__img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    box-shadow: var(--shadow);
}
.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: absolute;
    color: var(--white);
    font-size: 2.5rem;
    width: 56px; height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
    line-height: 1;
}
.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover { background: rgba(255,255,255,0.1); }
.lightbox__close { top: 20px; right: 20px; }
.lightbox__prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 20px; top: 50%; transform: translateY(-50%); }

/* ============ REVEAL ANIMATIONS ============ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.9s var(--transition), transform 0.9s var(--transition);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
    .sensei__grid {
        grid-template-columns: 1fr;
    }
    .sensei__media {
        aspect-ratio: 4/5;
        max-height: 520px;
        max-width: 440px;
        margin: 0 auto;
    }
    .sensei__media img {
        object-position: center 15%;
    }
    .gallery {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 140px;
    }
}

@media (max-width: 768px) {
    .nav__toggle { display: flex; }
    .nav__menu {
        position: fixed;
        top: 0; right: 0;
        height: 100vh;
        height: 100svh;
        width: min(360px, 85%);
        background: var(--black-deep);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: 60px 40px;
        gap: 28px;
        transform: translateX(100%);
        transition: transform 0.4s var(--transition);
        border-left: 1px solid var(--border);
    }
    .nav__menu.is-open { transform: translateX(0); }
    .nav__menu a {
        font-size: 1.1rem;
        width: 100%;
    }
    .nav__menu a.nav__cta {
        text-align: center;
        margin-top: 10px;
    }

    .hero { padding: 100px 16px 120px; }
    .hero__ctas .btn { width: 100%; max-width: 320px; }
    .hero__scroll { bottom: 36px; }

    .gallery {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 140px;
    }
    .gallery__item--wide { grid-column: span 2; grid-row: span 1; }

    .stats { padding: 24px 16px; }

    .contact__actions { flex-direction: column; align-items: center; }
    .contact__actions .btn { width: 100%; max-width: 340px; }

    .lightbox { padding: 60px 10px; }
    .lightbox__prev, .lightbox__next { width: 44px; height: 44px; font-size: 2rem; }
}

@media (max-width: 480px) {
    .hero__title { font-size: clamp(3rem, 18vw, 5rem); }
    .cours__body { padding: 24px 20px; }
    .pillar { padding: 30px 24px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
    .hero__video { display: none; }
}