/*--------------------------------------------------
[Master Stylesheet]

Project: Antwerp Combat Academy


----------------------------------------------------*/

/* CSS Variables */
:root {
    /* Font Family */
    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;

    /* Font Weight */
    --font-weight-thin: 100;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    --font-weight-black: 900;

    /* Font Size */
    --font-size-h1: clamp(2rem, 1.7573rem + 1.5534vw, 3rem);
    --font-size-h2: clamp(1.75rem, 1.5073rem + 1.5534vw, 2.75rem);
    --font-size-h3: clamp(1.5rem, 1.2573rem + 1.5534vw, 2.5rem);
    --font-size-h4: clamp(1.25rem, 1.0073rem + 1.5534vw, 2.25rem);
    --font-size-h5: clamp(1rem, 0.7573rem + 1.5534vw, 2rem);
    --font-size-h6: clamp(0.75rem, 0.5073rem + 1.5534vw, 1.75rem);
    --font-size-subheading: clamp(1.25rem, 1.068rem + 1.165vw, 2rem);
    --font-size-body: clamp(0.875rem, 0.784rem + 0.5825vw, 1.25rem);
    --font-size-subtitle: clamp(0.75rem, 0.6893rem + 0.3883vw, 1rem);
    --font-size-caption: clamp(0.625rem, 0.5893rem + 0.3883vw, 0.875rem);

    /* Test color — neutral color */
    --color-50: #121417;
    --color-100: #24282F;
    --color-200: #363C46;
    --color-300: #48505E;
    --color-400: #5A6475;
    --color-500: #7B8391;
    --color-600: #9CA2AC;
    --color-700: #BDC1C8;
    --color-800: #DEE0E3;
    --color-900: #E3E4E7;
    --color-1000: #E6E7E9;
    --color-1100: #E9E9EB;
    --color-1200: #ECECEC;
    --color-1300: #F0F0F0;
    --color-1400: #F3F3F3;
    --color-1500: #F6F6F6;
    --color-1600: #F9F9F9;
    --color-1700: #FCFCFC;

    --color-white: #FFFFFF;
    --color-black: #000000;

    /* 8pt Spatial System */
    --space-0: 0;
    /* using 8pt grid system, what would be the value for 4 and 2 pixels? */

    --space-1: 0.5rem; /* 8px */
    --space-2: 1rem; /* 16px */
    --space-3: 1.5rem; /* 24px */
    --space-4: 2rem; /* 32px */
    --space-5: 2.5rem; /* 40px */
    --space-6: 3rem; /* 48px */
    --space-7: 3.5rem; /* 56px */
    --space-8: 4rem; /* 64px */
    --space-9: 4.5rem; /* 72px */
    --space-10: 5rem; /* 80px */
    --space-11: 5.5rem; /* 88px */
    --space-12: 6rem; /* 96px */
    --space-13: 6.5rem; /* 104px */
    --space-14: 7rem; /* 112px */
    --space-15: 7.5rem; /* 120px */
    --space-16: 8rem; /* 128px */
    --space-17: 8.5rem; /* 136px */
    --space-18: 9rem; /* 144px */
    --space-19: 9.5rem; /* 152px */
    --space-20: 10rem; /* 160px */


    /* Spacing */
    --spacing-0: 0;
    --spacing-1: 0.125rem; /* 2px */
    --spacing-2: 0.25rem; /* 4px */
    --spacing-3: 0.375rem; /* 6px */
    --spacing-4: 0.5rem; /* 8px */
    --spacing-5: 0.625rem; /* 10px */
    --spacing-6: 0.75rem; /* 12px */
    --spacing-7: 0.875rem; /* 14px */
    --spacing-8: 1rem; /* 16px */
    --spacing-9: 1.125rem; /* 18px */
    --spacing-10: 1.25rem; /* 20px */
    --spacing-11: 1.375rem; /* 22px */
    --spacing-12: 1.5rem; /* 24px */
    --spacing-13: 1.625rem; /* 26px */
    --spacing-14: 1.75rem; /* 28px */
    --spacing-15: 1.875rem; /* 30px */
    --spacing-16: 2rem; /* 32px */
    --spacing-17: 2.125rem; /* 34px */
    --spacing-18: 2.25rem; /* 36px */
    --spacing-19: 2.375rem; /* 38px */
    --spacing-20: 2.5rem; /* 40px */

    /* dimension */
    --dimension-auto: auto;
    --dimension-screen: 100%;
    --dimension-full-width: 100vw;
    --dimension-full-height: 100vh;
    --dimension-minimum: min(100vw, 100vh);
    --dimension-maximum: max(100vw, 100vh);
    --dimension-none: none;
    --dimension-inherit: inherit;
    --dimension-initial: initial;
    --dimension-unset: unset;
    --dimension-min-content: min-content;
    --dimension-max-content: max-content;
    --dimension-fit-content: fit-content;
    --dimension-fill-available: fill-available;
    --dimension-fit-available: fit-available;
    --dimension-stretch: stretch;
    --dimension-half: 50%;
    --dimension-quarter: 25%;
    --dimension-three-quarter: 75%;
    --dimension-fifth: 20%;
    --dimension-two-fifth: 40%;
    --dimension-three-fifth: 60%;
    --dimension-four-fifth: 80%;


    /* Shadows */
    --shadow-small: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-medium: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-large: 0 1rem 3rem rgba(0, 0, 0, 0.175);

    /* Colors */
    --color-primary: #007bff; /* Replace with actual primary color */
    --color-secondary: #6c757d; /* Replace with actual secondary color */
    --color-success: #28a745; /* Replace with actual success color */
    --color-danger: #dc3545; /* Replace with actual danger color */
    --color-warning: #ffc107; /* Replace with actual warning color */
    --color-info: #17a2b8; /* Replace with actual info color */
    --color-light: #f8f9fa; /* Replace with actual light color */
    --color-dark: #343a40; /* Replace with actual dark color */

    /* Screen Sizes */
    --screen-sm: 36rem; /* Small devices (landscape phones, 576px and up) */
    --screen-md: 48rem; /* Medium devices (tablets, 768px and up) */
    --screen-lg: 62rem; /* Large devices (desktops, 992px and up) */
    --screen-xl: 75rem; /* Extra large devices (large desktops, 1200px and up) */
    --screen-xxl: 90rem; /* Extra extra large devices (larger desktops, 1400px and up) */

    /* Border Radius */
    --border-radius-small: 0.125rem; /* 2px */
    --border-radius-medium: 0.25rem; /* 4px */
    --border-radius-large: 0.5rem; /* 8px */
    --border-radius-xlarge: 1rem; /* 16px */
    --border-radius-circle: 50%;

    /* Line Height */
    --line-height-body: 1.5;
    --line-height-heading: 1.2;

    /* Icon Sizes */
    --icon-sm: clamp(1rem, 0.5146rem + 3.1068vw, 3rem);
    --icon-md: clamp(1.25rem, 0.6433rem + 3.1068vw, 3.5rem);
    --icon-lg: clamp(3.125rem, 2.3665rem + 4.8544vw, 6.25rem);

    /* Z-index */
    --z-index-default: 1;
    --z-index-dropdown: 1000;
    --z-index-sticky: 1020;
    --z-index-fixed: 1030;
    --z-index-modal-backdrop: 1040;
    --z-index-modal: 1050;
    --z-index-popover: 1060;
    --z-index-tooltip: 1070;

    /* Display */
    --display-block: block;
    --display-inline: inline;
    --display-inline-block: inline-block;
    --display-flex: flex;
    --display-grid: grid;
    --display-none: none;

    /* Position */
    --position-static: static;
    --position-relative: relative;
    --position-absolute: absolute;
    --position-fixed: fixed;
    --position-sticky: sticky;


    /* Background Color */
    --bg-color-light: #f8f9fa; /* Replace with actual light background color */
    --bg-color-dark: #343a40; /* Replace with actual dark background color */
    --bg-color-primary: #007bff; /* Replace with actual primary background color */
    --bg-color-secondary: #6c757d; /* Replace with actual secondary background color */
    --bg-color-success: #28a745; /* Replace with actual success background color */
    --bg-color-danger: #dc3545; /* Replace with actual danger background color */
    --bg-color-warning: #ffc107; /* Replace with actual warning background color */
    --bg-color-info: #17a2b8; /* Replace with actual info background color */
    --bg-color-white: #ffffff; /* Replace with actual white background color */
    --bg-color-transparent: transparent; /* Replace with actual transparent background color */

    /* Breakpoints */
    --breakpoint-xs: 480px;
    --breakpoint-sm: 768px;
    --breakpoint-md: 992px;
    --breakpoint-lg: 1200px;
    --breakpoint-xl: 1400px;

    /* Timing */
    --accordion-timing: 300ms;
    --accordion-easing: cubic-bezier(0.4, 0, 0.2, 1);

    /* Colors */
    --accordion-bg: #fff;
    --accordion-border: #eee;
    --accordion-text: #333;
    --accordion-text-secondary: #666;
    --accordion-focus: #4a90e2;
    --accordion-hover: #f8f8f8;
    --accordion-active: #e8e8e8;

    /* Shadows */
    --accordion-shadow:
            0 2px 4px rgb(0 0 0 / 10%),
            0 0 1px rgb(0 0 0 / 5%);

    /* Animation states */
    --accordion-height: 0px;
}


/*---------------------------------------------------

1. Body
2. Header
3. Banner Section
4. Why Choose Us Section
5. About Us Section
6. Contact Us Section
7. Footer Section

------------------------------------------------------*/

body, html {
    margin: var(--spacing-0);
    padding: var(--spacing-0);
    height: var(--dimension-full-height);
    width: var(--dimension-full-width);
    font-family: var(--font-primary);
    color: var(--color-black);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

@media only screen and (max-width: 800px) {
    #content-section {
        padding: var(--space-3);
    }
}


/* Home Page Style */
/* Home Page Header Section Style */
.banner-section-outer {
    position: relative;
    min-height: var(--dimension-full-height);
}

.banner-section-outer::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(255, 255, 255, 0.8);
    z-index: -2;
}


.bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--dimension-full-width);
    height: var(--dimension-full-height);
    object-fit: cover;
    z-index: -5;
}



/* General styles */
.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-1);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: var(--dimension-full-width);
    margin-right: var(--space-6);
    font-size: var(--font-size-body);
    text-transform: uppercase;
    position: fixed;
    top: var(--spacing-0);
    left: var(--spacing-0);
    right: var(--spacing-0);
    background-color: var(--color-white);
    transition: top 0.3s;
    z-index: var(--z-index-sticky);
}


.logo-link img {
    height: var(--icon-lg);
    width: auto;
    margin-left: var(--space-8);
}

.nav-items {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0 var(--space-8) 0 0;
}

@media (max-width: 56.25em) {
    .nav-items {
        display: flex;
        list-style: none;
        padding: 0;
        margin: 0;
    }
}



.nav-items li {
    margin: 0 var(--spacing-5);
}

.nav-items a {
    text-decoration: none;
    color: var(--color-black);
}

.navbar-toggle {
    display: none;
}

#menu-icon, #close-icon {
    font-size: var(--icon-sm);
}

/* Mobile styles */
@media (max-width: 56.25em) {
    .navbar-toggle {
        display: inline-block;
        position: fixed;
        right: var(--space-8);
        top: var(--space-3);
        z-index: 502;
    }

    .navbar-toggle i {
        display: none;
    }

    .navbar-toggle i.fa-bars {
        display: inline-block;
    }

    #close-icon {
        display: none;
    }

    .navbar-collapse {
        display: none;
        position: fixed;
        right: 0;
        top: 0;
        height:  calc(100% - 8rem);
        width: calc(100% - 8rem);
        margin: var(--space-8);
        padding: var(--space-3);
        background: var(--color-black);
        border-radius: var(--border-radius-medium);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        border: 1px solid rgba(255, 255, 255, 1);
        z-index: 501;
    }

    #navbar-backdrop {
        display: none;
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5); /* semi-transparent black */
        backdrop-filter: blur(5px);
        z-index: 500; /* below the navbar */
    }

    .navbar-collapse .nav-items {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: var(--dimension-full-height);
        margin-top: calc(var(--space-10) * -1);
    }

    .navbar-collapse .nav-items a {
        color: var(--color-white);
        font-size: var(--font-size-h5);
        font-weight: 600;
    }



    .navbar-collapse .nav-items li {
        margin: var(--space-3) 0;
    }
}

.mobile-nav {
    display: none;
}

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

/* Hero Section */
.hero-section {
    position: relative;
    padding: var(--space-4) 0 0 var(--space-20);  ;
    color: var(--color-black);
    margin-top: calc(var(--space-12) * -1);
}

.heading-content {
    display: flex;
    align-items: stretch;
    gap: var(--space-3);
    width: 80vw;
    margin-top: var(--space-15);
}

@media (max-width: 56.25em) {
    .hero-section {
        padding: var(--space-6);
        margin-top: var(--space-2) !important;
    }

    .heading-content {
        display: grid;
        place-items: center;
        gap: var(--space-3);
        margin-top: var(--space-17) !important;
    }
}

.vertical-line {
    border-right: 5px solid black;
    width: 0;
    align-self: stretch;
    margin-top: clamp(3rem, 1.301rem + 10.8738vw, 10rem);
}

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

.heading-hero {
    font-family: 'Roboto flex', sans-serif;
    font-size: clamp(1rem, 0.8786rem + 0.7767vw, 1.5rem);
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    margin-top: clamp(3rem, 1.301rem + 10.8738vw, 10rem);
    margin-bottom: clamp(1rem, 0.7573rem + 1.5534vw, 2rem);
}

@media (max-width: 56.25em) {
    .heading-hero {
        margin-top: 2rem !important;
    }

    .vertical-line {
        margin-top: 2rem !important;
        display: none;
    }
}

.sub-heading-hero {
    font-size: clamp(1.0rem, 1rem + 3vw, 3em);
    line-height: 1.2;
    margin-top: -1rem;
}

.hero-paragraph {
    font-size: var(--font-size-body);
    line-height: 1.5;
    font-weight: 400;
}

@media  (max-width: 56.25em) {
    .hero-paragraph {
        margin-top: 0.1vh;
    }
}

.hero-btn {
    margin-top: clamp(2rem, 1.5146rem + 3.1068vw, 4rem);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: clamp(0.25rem, 0.1893rem + 0.3883vw, 0.5rem);
    padding: clamp(1rem, 0.3786rem + 0.7767vw, 2rem) clamp(2rem, 0.7573rem + 1.5534vw, 4rem);
    font-size:  clamp(1rem, 0.7573rem + 1.5534vw, 2rem);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    outline: none;
    border-radius: clamp(0.15625rem, 0.1183rem + 0.2427vw, 0.3125rem);
    z-index: 0;
    background: #000000;
    overflow: hidden;
    border: 2px solid black;
    color: #ffffff;
}

.hero-btn:hover {
    color: #000000;
}

.hero-btn:hover:after {
    width: 100%;
}

.hero-btn:after {
    content: "";
    position: absolute;
    z-index: -1;
    transition: all 0.3s ease;
    right: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: #ffffff;
}

.secondary-btn {
    position: absolute;
    bottom: clamp(4rem, 3.0291rem + 6.2136vw, 8rem);
    right: clamp(4rem, 3.0291rem + 6.2136vw, 8rem);
    background: #575a5e;
    color: #ffffff;
    border-radius: clamp(25%, 50vw, 50%);
    padding: clamp(0.3125rem, 0.2367rem + 0.4854vw, 0.625rem);
    font-size: clamp(1rem, 0.7573rem + 1.5534vw, 2rem);
    height: clamp(3.125rem, 2.3665rem + 4.8544vw, 6.25rem);
    width: clamp(3.125rem, 2.3665rem + 4.8544vw, 6.25rem);
    display: flex;
    align-items: center;
    justify-content: center;
}

.secondary-btn::after {
    content: "";
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid #575a5e;
    border-radius: clamp(25%, 50vw, 50%);
    z-index: -1;
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.secondary-btn:hover i {
    color: #000000;
}


/* Video modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: clamp(0.625rem, 0.4733rem + 0.9709vw, 1.25rem);
    width: clamp(35%, 70vw, 70%);
}

.close-button {
    color: #000;
    float: right;
    font-size: 72px;
    font-weight: bold;
    padding: 10px;
    margin: 3px;
    position: relative;
    z-index: 2;
}

.close-button:hover,
.close-button:focus {
    color: red;
    text-decoration: none;
    cursor: pointer;
}

video {
    width: 100%;
    height: auto;
}


@media  (max-width: 56.25em) {
    .callToAction {
        display: flex;
        flex-direction: row;
        justify-content: center;
        margin-left: -6rem;
    }

    .secondary-btn {
        display: none;
    }

}

/* Form section */
.form-container {
    /* positioning */
    display: flex;
    justify-content: space-between;

    /* box model */
    padding: clamp(3rem, 2.2718rem + 4.6602vw, 6rem);
    gap: clamp(2.33rem, calc(2.08rem + 1.25vw), 3.05rem);
    border-radius: clamp(0.15625rem, 0.1183rem + 0.2427vw, 0.3125rem);

}


@media only screen and (max-width: 800px) {
    .form-container {
        padding: 0;
    }
}

#back-to-top-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: black;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
}

#back-to-top-btn:hover {
    background-color: #555;
}

/* Modal */
.modal {
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
    display: none;
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.g-recaptcha {
    margin-bottom: 20px;
}

/*Alert css*/
.alert {
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}