/* ============================================
   ANSIBIKERS - Professional Sports Website
   ============================================ */

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

:root {
    --color-black: #000000;
    --color-dark: #0d0d0d;
    --color-gray-900: #1a1a1a;
    --color-gray-800: #252525;
    --color-gray-700: #333333;
    --color-gray-500: #666666;
    --color-gray-400: #888888;
    --color-gray-200: #cccccc;
    --color-white: #ffffff;
    --color-accent: #e63946;
    --color-accent-dark: #c1121f;
    --color-trail: #2d6a4f;
    --color-xcm: #d4a373;
    --color-xco: #457b9d;
    --color-gravel: #8d6e63;
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-white);
    background: var(--color-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn--outline:hover {
    background: var(--color-white);
    color: var(--color-dark);
}

.btn--sm {
    padding: 8px 20px;
    font-size: 12px;
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn--sm:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

.btn--ghost {
    background: transparent;
    color: var(--color-gray-200);
    border-color: var(--color-gray-500);
}

.btn--ghost:hover {
    border-color: var(--color-white);
    color: var(--color-white);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.nav--scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo img {
    height: 40px;
    width: auto;
}

.nav__menu {
    display: flex;
    gap: 32px;
}

.nav__menu a {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-white);
    transition: color 0.3s;
}

.nav__menu a:hover {
    color: var(--color-accent);
}

.nav__cta {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 10px 24px;
    border: 2px solid var(--color-accent);
    color: var(--color-white);
    transition: all 0.3s;
}

.nav__cta:hover {
    background: var(--color-accent);
}

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

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all 0.3s;
}

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

.hero__bg {
    position: absolute;
    inset: 0;
}

.hero__bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero__bg-img--active {
    opacity: 1;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.4) 0%,
        rgba(0,0,0,0.25) 50%,
        rgba(13,13,13,0.95) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
}

.hero__logo {
    height: auto;
    width: 100%;
    max-width: 500px;
    margin: 0 auto 32px;
    filter: drop-shadow(0 4px 20px rgba(0,0,0,0.5));
}

.hero__title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 6px;
    color: var(--color-gray-200);
    margin-bottom: 12px;
}

.hero__subtitle {
    font-size: 16px;
    color: var(--color-gray-400);
    letter-spacing: 2px;
    margin-bottom: 40px;
}

.hero__tagline {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 8px;
    color: var(--color-gray-200);
    margin-bottom: 32px;
}

.hero__tagline span {
    display: inline-block;
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.hero__scroll span {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-gray-500);
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: var(--color-gray-500);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   Section Base
   ============================================ */
.section {
    padding: 100px 0;
}

.section__title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-align: center;
    margin-bottom: 12px;
}

.section__title--left {
    text-align: left;
}

.section__subtitle {
    text-align: center;
    color: var(--color-gray-400);
    font-size: 16px;
    margin-bottom: 60px;
}

.section__title--mt {
    margin-top: 80px;
}

.event-card--past {
    opacity: 0.7;
}

.event-card--past:hover {
    opacity: 1;
}

/* ============================================
   Events Section
   ============================================ */
.events {
    background: var(--color-dark);
}

.event-card {
    display: grid;
    grid-template-columns: 400px 1fr;
    background: var(--color-gray-900);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 32px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.event-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.event-card__image {
    position: relative;
    height: 100%;
    min-height: 280px;
    overflow: hidden;
}

.event-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.event-card:hover .event-card__image img {
    transform: scale(1.05);
}

.event-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.3), rgba(0,0,0,0.6));
}

.event-card__badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 3px;
    z-index: 2;
}

.event-card--trail .event-card__badge { background: var(--color-trail); }
.event-card--xcm .event-card__badge { background: var(--color-xcm); color: var(--color-dark); }
.event-card--xco .event-card__badge { background: var(--color-xco); }
.event-card--gravel .event-card__badge { background: var(--color-gravel); }

.event-card__content {
    padding: 32px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.event-card__date {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
    padding: 12px;
    background: var(--color-gray-800);
    border-radius: 6px;
}

.event-card__day {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.event-card__month {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
}

.event-card__info {
    flex: 1;
}

.event-card__title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.event-card__desc {
    color: var(--color-gray-400);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.6;
}

.event-card__distances {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.event-card__distances span {
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 500;
    background: var(--color-gray-800);
    border: 1px solid var(--color-gray-700);
    border-radius: 3px;
    color: var(--color-gray-200);
}

.event-card__links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ============================================
   About Section
   ============================================ */
.about {
    position: relative;
    overflow: hidden;
}

.about__bg {
    position: absolute;
    inset: 0;
}

.about__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.about__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--color-dark) 0%, rgba(13,13,13,0.8) 100%);
}

.about__container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about__text p {
    color: var(--color-gray-200);
    margin-bottom: 16px;
    font-size: 15px;
}

.about__text strong {
    color: var(--color-white);
}

.about__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--color-gray-700);
    border-radius: 8px;
    padding: 28px 20px;
    text-align: center;
}

.stat__number {
    display: block;
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat__label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-gray-400);
}

/* ============================================
   Partners Carousel
   ============================================ */
.partners {
    background: var(--color-gray-900);
}

.partners__main {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 30px 40px;
    margin-top: 40px;
    padding: 40px 30px;
    background: none;
    border-radius: 0;
    border: none;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 50px;
    overflow: hidden;
}

.partner-logo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s, filter 0.3s;
    filter: grayscale(100%) brightness(1.5) contrast(0.8);
}

.partner-logo img:hover {
    transform: scale(1.1);
    filter: grayscale(0%) brightness(1) contrast(1);
}

.partners__secondary {
    margin-top: 40px;
}

.partners__institutional,
.partners__event {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.partners__subtitle {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 10px;
}

.partners__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
}

.partners__carousel {
    overflow: hidden;
    position: relative;
    margin-top: 40px;
}

.partners__carousel::before,
.partners__carousel::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.partners__carousel::before {
    left: 0;
    background: linear-gradient(to right, var(--color-gray-900), transparent);
}

.partners__carousel::after {
    right: 0;
    background: linear-gradient(to left, var(--color-gray-900), transparent);
}

.partners__track {
    display: flex;
    gap: 40px;
    animation: scrollPartners 40s linear infinite;
    width: max-content;
}

.partners__track:hover {
    animation-play-state: paused;
}

@keyframes scrollPartners {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.partner-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    background: none;
    border: none;
    width: 160px;
    height: 80px;
    transition: opacity 0.3s;
    opacity: 0.85;
}

.partner-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%) brightness(1.5) contrast(0.8);
    transition: filter 0.3s;
}

.partner-item:hover img {
    filter: grayscale(0%) brightness(1) contrast(1);
}

.partner-item:hover {
    opacity: 1;
}

.partners__institutional .partner-item img {
    filter: none;
}

.partners__institutional .partner-item {
    opacity: 1;
}

.partner-item span {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-gray-200);
    white-space: nowrap;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--color-dark);
}

.contact__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.contact__card {
    background: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: 8px;
    padding: 32px;
    text-align: center;
}

.contact__card h4 {
    font-family: var(--font-display);
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.contact__card p {
    color: var(--color-gray-200);
    font-size: 14px;
    line-height: 1.8;
}

.contact__card a {
    color: var(--color-gray-200);
    transition: color 0.3s;
}

.contact__card a:hover {
    color: var(--color-accent);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-black);
    padding: 32px 0;
    border-top: 1px solid var(--color-gray-800);
}

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

.footer__logo {
    height: 30px;
    width: auto;
    opacity: 0.6;
}

.footer p {
    font-size: 13px;
    color: var(--color-gray-500);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .event-card {
        grid-template-columns: 300px 1fr;
    }
}

@media (max-width: 768px) {
    .nav__menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(13,13,13,0.98);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
    }

    .nav--mobile-open .nav__menu {
        display: flex;
    }

    .nav__cta {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }

    .hero__logo {
        height: 80px;
    }

    .hero__title {
        font-size: 18px;
        letter-spacing: 3px;
    }

    .section__title {
        font-size: 36px;
    }

    .event-card {
        grid-template-columns: 1fr;
    }

    .event-card__image {
        min-height: 200px;
    }

    .event-card__content {
        flex-direction: column;
        gap: 16px;
    }

    .event-card__date {
        flex-direction: row;
        gap: 8px;
    }

    .about__container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact__grid {
        grid-template-columns: 1fr;
    }

    .footer__inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}