/* Fonts */
:root {
    --default-font: "Roboto", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --heading-font: "Oswald", sans-serif;
    --nav-font: "Inter", sans-serif;
}

:root {
    --accent-color: #d90429;
    --heading-color: #1a1a1a;
    --background-color: #ffffff;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

body {
    font-family: var(--default-font);
    /* 'Roboto', sans-serif;*/
    overflow-x: hidden;
    color: var(--heading-color);
}

h1,
h2,
h3,
.nav-link {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

a {
    color: var(--accent-color);
    text-decoration: none;
}

/* Smooth scroll */
:root {
    scroll-behavior: smooth;
}

/*--------------------------------------------------------------
# Preloader
--------------------------------------------------------------*/
#preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    overflow: hidden;
    /*background-color: var(--background-color);*/
    transition: all 0.6s ease-out;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

#preloader div {
    width: 13px;
    height: 13px;
    background-color: var(--accent-color);
    border-radius: 50%;
    animation-timing-function: cubic-bezier(0, 1, 1, 0);
    position: absolute;
    left: calc(50% + -30px);
}

#preloader div:nth-child(1) {
    left: calc(50% + -30px);
    animation: animate-preloader-1 0.6s infinite;
}

#preloader div:nth-child(2) {
    left: calc(50% + -30px);
    animation: animate-preloader-2 0.6s infinite;
}

#preloader div:nth-child(3) {
    left: calc(50% + -6px);
    animation: animate-preloader-2 0.6s infinite;
}

#preloader div:nth-child(4) {
    left: calc(50% + 18px);
    animation: animate-preloader-3 0.6s infinite;
}

@keyframes animate-preloader-1 {
    0% {
        transform: scale(0);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes animate-preloader-3 {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(0);
    }
}

@keyframes animate-preloader-2 {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(24px, 0);
    }
}

/*--------------------------------------------------------------
# Navbar
--------------------------------------------------------------*/
.navbar {
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.9) !important;
    padding: 0.5rem 0;
}

.nav-link {
    color: white !important;
    margin: 0 10px;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

.navbar-toggler,
.navbar-toggler:focus,
.navbar-toggler:active,
.navbar-toggler-icon:focus {
    outline: none !important;
    border: none !important;
    box-shadow: none !important;
}


/*--------------------------------------------------------------
# Hero Section 
--------------------------------------------------------------*/
#hero {
    height: 100vh;
    width: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
        url('../img/karateka.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.btn-kyokushin {
    background-color: var(--accent-color);
    color: white;
    padding: 12px 35px;
    border-radius: 0;
    border: 2px solid var(--accent-color);
    font-family: 'Oswald', sans-serif;
    transition: var(--transition);
}

.btn-kyokushin:hover {
    background-color: transparent;
    color: white;
    border-color: white;
}

/*--------------------------------------------------------------
# Sections General 
--------------------------------------------------------------*/
section {
    padding: 80px 0;
    overflow-x: hidden;
}

.section-title {
    position: relative;
    margin-bottom: 50px;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
}

/*--------------------------------------------------------------
# Cards
--------------------------------------------------------------*/
.card {
    border: none;
    border-bottom: 4px solid transparent;
    transition: var(--transition);
    background: #f8f9fa;
}

.card:hover {
    transform: translateY(-10px);
    border-bottom: 4px solid var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    height: 100px;
    object-fit: contain;
}

/*--------------------------------------------------------------
# Gallery
--------------------------------------------------------------*/
.gallery-item {
    overflow: hidden;
    height: 250px;
    margin-bottom: 20px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item img:hover {
    transform: scale(1.1);
}

/*--------------------------------------------------------------
# INSTRUCTORS 
--------------------------------------------------------------*/
.instructor-card {
    padding: 30px;
    background: white;
    border: 1px solid #eee;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.instructor-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: var(--accent-color);
    transition: var(--transition);
    z-index: -1;
}

.instructor-card:hover::before {
    height: 5px;
}

.instructor-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: transparent;
}

.instructor-img-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.instructor-img {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.instructor-card:hover .instructor-img {
    transform: scale(1.05);
    border-color: var(--accent-color);
}

.degree-badge {
    background: var(--heading-color);
    color: white;
    padding: 5px 15px;
    display: inline-block;
    margin-top: 10px;
    font-family: 'Oswald', sans-serif;
    transition: var(--transition);
}

.instructor-card:hover .degree-badge {
    background: var(--accent-color);
}

/*--------------------------------------------------------------
# MEMBERSHIP
--------------------------------------------------------------*/
.membership-tabs .nav-link {
    color: var(--heading-color) !important;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    font-size: 1.1rem;
    padding: 12px 25px;
    border: none;
    border-radius: 0;
    transition: var(--transition);
    margin-bottom: -4px; /* Align with content border */
}

.membership-tabs .nav-link:hover {
    color: var(--accent-color) !important;
}

.membership-tabs .nav-link.active {
    background-color: var(--accent-color);
    color: white !important;
}

.membership-content {
    min-height: 300px;
}

.membership-content .tab-pane {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 768px) {
    .border-start-md {
        border-left: 1px solid #dee2e6 !important;
        padding-left: 30px;
    }
}

.list-group-item {
    transition: var(--transition);
    font-size: 0.95rem;
}

.list-group-item:hover {
    padding-left: 5px !important;
}

.italic {
    font-style: italic;
}

/* Statut Styles */
/* Responsywny kontener numeru konta */
.account-box {
    overflow: hidden; /* Zapobiega wyciekaniu treści */
}

.account-number {
    display: block;
    font-family: 'Roboto', monospace; /* Monospace pomaga w czytelności cyfr */
    font-size: 1.0rem; /* Bazowy rozmiar na mobile */
    line-height: 1.4;
    word-break: break-all; /* Kluczowe: wymusza rozbicie długiego ciągu cyfr na mobile */
    background: transparent;
    padding: 0;
}

/* Styl dla tabletów i komputerów */
@media (min-width: 768px) {
    .account-number {
        font-size: 1.25rem; /* Powrót do rozmiaru fs-5 */
        word-break: normal; /* Wyłączenie agresywnego łamania na dużych ekranach */
        letter-spacing: 1px;
    }
}

/* Opcjonalnie: ułatwienie kopiowania na telefonie */
.account-number:active {
    background-color: #f8f9fa;
}

.border-start-danger {
    border-left: 4px solid var(--accent-color) !important;
}

#statut code {
    letter-spacing: 1px;
    display: block;
    word-break: break-all;
}

#statut h5 {
    font-size: 1rem;
    letter-spacing: 0.5px;
}

#statut .bg-dark {
    border-left: 4px solid var(--accent-color);
}

/* Schedule Table */
.table thead {
    background: var(--heading-color);
    color: white;
}

/*--------------------------------------------------------------
# Contact & Footer
--------------------------------------------------------------*/
.contact-info i {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-right: 15px;
}

footer {
    background: var(--heading-color);
    color: white;
    padding: 40px 0;
}

/* Responsive Fixes */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}