:root {
    --display-font: 'Climate Crisis', sans-serif;
    --body-font: 'Geist', Helvetica, Arial, sans-serif;
    --main-bg: #252525;
    --content-bg: #303030;
    --none-more-black: #000000;
    --vetus-green: rgba(46, 250, 220, 1);
    --vetus-pink: rgba(255, 175, 218, 1);
    --text-gradient: linear-gradient(to right, rgba(46,250,220), rgba(255, 175, 218) );
    --light: rgb(212, 212, 212);
}

body {
    background-color: var(--none-more-black);
}

/* Space at top so section headers aren't cut off */
html {
    scroll-padding: 5rem;
}

.navbar {
    border-radius: 60px;
    margin: 24px 16px 40px 16px;
    background-color: var(--content-bg) !important;
    z-index: 1000;
    box-shadow: 0px 0px 32px rgba(0,0,0,0.9);
}

.navbar-expand-md {
    border-radius: 50px;
    margin-bottom: 24px;
}

.navbar-brand {
    padding-left: 4px!important;
    transition: all 0.2s ease-in-out;
}

.navbar-brand:hover {
    opacity: 0.5;
}

.navbar-brand h3{
 display: inline-block;   
 vertical-align: middle;
 margin-top: 4px;
 font-size: 1.5rem;
 font-family: var(--display-font);
 text-transform: uppercase;
 letter-spacing: 1px;
 width: 300px;
 margin-right: 40px;
}

.navbar-nav {
    font-family: var(--body-font);
    font-size: 20px;
    padding-right: 8px;
    margin-right: 16px;
    align-items: center;
}

.navbar-toggler {
    margin-right: 8px;
    width: 48px;
    border: none;
    transition: all 0.2s ease-in-out;
    padding: 4px 0 8px 0px;
}

.navbar-toggler:hover {
    opacity: 0.5;
}

.navbar-toggler:focus {
    border-radius: 80px;
    box-shadow: none;
    transform: rotate(-90deg);
}

.navbar-toggler-icon {
    width: 48px;
    height: auto;
    /* Need this to over-ride the default icon */
    background-image: none;
}

/* Media queries to centre align toggle icon in mobile view */
@media (max-width: 599px) {
    .navbar-toggler {
        margin: 0 auto;
    }
    .navbar-brand {
        margin-left: 16px;
        font-size: 1rem;
    }
}
/* Mobile screen width - hide logo text */
@media (max-width: 540px) {
    .navbar-brand h3 {
        display: none;
    }
    .navbar-toggler {
        margin-right: 16px;
    }
}

.nav {
    background-color: var(--header-bg);
}

/* Nav links in navbar */

.nav-link {
    font-weight: 400;
    transition: all 0.2s ease;
    position: relative;
    margin-left: 16px;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-image: linear-gradient(to right, var(--vetus-green), var(--vetus-pink));
    color: transparent;
    transition: width 0.2s ease-in-out;
}

.nav-link:hover {
    color: var(--light);
}
.nav-link:hover::after {
    width: 100%;
}


#hero {
    margin-top: 120px;
    margin-bottom: 12rem;
}

@media (max-width:1480px){
    #hero {
        margin-bottom: 8rem;
    };
}

.bg-dark {
    background: linear-gradient(to top, transparent, rgba(0,0,0,1), rgba(0,0.0,0)) !important;
    padding-top: 0px;
    margin-top: 0px;
}

/* Get the video to stay in background under the nav and hero text */

header {
    position: relative;
}

video {
    position: absolute;
    z-index: -100;
    top: 100px;
    right: 0;
    max-width: 100%;
}

@media (max-width: 799px) {
    video {
        display: none;
    }
}

/* Hero Heading H1 */
.display-5 {
    font-family: var(--display-font);
    text-transform: uppercase;
    letter-spacing: 0.5rem;
    font-size: 6rem !important;
    margin-bottom: 1rem;
}

/* Hero subheading */
.hero-sub {
    font-family: var(--body-font);
    font-weight: 200;
    font-size: 3rem;
    line-height: 3rem;
    color: var(--vetus-green);
}

/* Trying out clamp property instead of using media queries */
/* H1 Headings/Titles for sections */
.section-title {
    font-family: var(--display-font);
    text-transform: uppercase;
    font-size: clamp(2rem, 1rem + 8.333vw, 6rem);
    letter-spacing: 0.25rem;
    text-align: center;
    line-height: clamp(1rem, 5.5rem, 6rem);
    margin-bottom: 3rem;
    
    color: var(--vetus-green);
    background-image: linear-gradient(to right, var(--vetus-green), var(--vetus-green), var(--vetus-pink), var(--vetus-pink));
    color: transparent;
    background-clip: text;
}

#gallery {
    margin-bottom: 8rem;
}

.gallery-text {
    font-family: var(--body-font);
    font-weight: 100;
    font-size: 5rem;
    z-index: 5;
    padding-left: 24px;
    padding-bottom: 120px;
    color: var(--vetus-green);
}    

/* Gradient overlay to segue video into background */
.overlay {
    padding-top: 120px;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,1), rgba(0,0,0,1), rgba(0,0,0,1), rgba(0,0.0,0));
}

/* Media Queries for scaling text sizes and spacing */
@media (max-width: 1440px) {
    #hero {
        margin-bottom: 0.6rem;
    }
    .overlay {
        padding-top: 80px;
    }
}


@media (max-width: 740px) {
    .gallery-text {
        font-size: 4rem;
    }
    #hero {
        margin-bottom: 0.6rem;
    }
    .display-5 {
        font-size: 4rem !important;
    }
}

@media (max-width: 540px) {
    .display-5 {
        font-size: 3rem !important;
    }
    .hero-sub {
        font-size: 2rem;
    }
    .gallery-text {
        font-size: 3rem;
        padding-top: 16px;
    }
    #hero {
        margin-bottom: 1rem;
    }
}

@media (max-width: 420px) {
    .display-5 {
        font-size: 2.5rem !important;
    }
    .hero-sub {
        font-size: 1.5rem;
        line-height: 2rem;
    }
}

@media (max-width: 369px) {
    .display-5 {
        font-size: 2rem !important;
    }
    .hero-sub {
        font-size: 1.5rem;
        line-height: 2rem;
    }
}

/* Rounded corners of carousel container */
.carousel-inner {
    border-radius: 20px;
}
/* Carousel icons */
.carousel-control-prev-icon, .carousel-control-next-icon {
    position: absolute;
    width: 40px;
    height: 40px;
    background-color: var(--content-bg);
    border-radius: 60px;
    margin: 2px;
}

.carousel-control-prev-icon {
    left: 16px;
}
.carousel-control-next-icon {
    right: 16px;
}

/* Invert indicators for carousel to be visible on white backgrounds */
.carousel-indicators {
    filter: invert(100%);
}

/* Cards for guitar images and features list */
.card {
    background-color: var(--main-bg)!important;
    border-radius: 20px;
}

.card-body {
    padding: 16px 24px;
}

.card-text {
    color: var(--light);
    font-family: var(--body-font);
    font-size: 1.1rem;
    font-weight: 300;
}

.rounded-start {
    border-top-left-radius: 20px !important;
    border-top-right-radius: 20px;
    border-bottom-left-radius: 0px !important;
}

@media (min-width: 768px) { 
    .rounded-start {
    border-top-left-radius: 20px !important;
    border-top-right-radius: 0px !important;
}
}

/* // Large devices desktops, 992px and up */
@media (min-width: 992px) { 
    .rounded-start {
    border-top-left-radius: 20px !important;
    border-bottom-left-radius: 0px !important;
}
 }

/* // X-Large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) { 
    .rounded-start {
    border-top-left-radius: 20px !important;
    border-bottom-left-radius: 20px !important;
}
 }

/* // XX-Large devices (larger desktops, 1400px and up) */
@media (min-width: 1400px) { 
    .rounded-start {
    border-top-left-radius: 20px !important;
    border-bottom-left-radius: 20px !important;
}
    .card-body {
    padding: 56px 24px;
}

 }

 #gallery {
    padding-top: 40px;
    margin-bottom: 80px;
 }

#about, #models {
    padding-top: 120px;
    margin-bottom: 80px;
 }

 .models-intro {
    font-family: var(--body-font);
    font-weight: 100;
    font-size: 5rem;
    z-index: 5;
    padding-left: 24px;
    padding-bottom: 120px;
    
    background-image: linear-gradient(to left, var(--vetus-green), var(--vetus-green), var(--vetus-pink), var(--vetus-pink));
    color: transparent;
    background-clip: text;
 }
/* Font size scaling for models-intro text */
@media (max-width: 768px) {
     .models-intro {
        font-size: 4rem;
    }
}

@media (max-width: 640px) {
     .models-intro {
        font-size: 3rem;
    }
}

 /* Hover states to show and hide front & back of guitars */
.h-100 img {
    transition: all 0.2s ease-in-out;
 }

 .h-100 img:hover {
    scale: 1.2;
 }

 .h-100 .guitar-back {
    display: none;
 }


 .h-100:active .guitar-front {
    display: none;
 }

 .h-100:active .guitar-back {
    display: block;
 }

.model-name {
    text-align: center;
    font-size: 1.5rem;
    color: var(--light);
}

/* Pseudo elements for colour coded dots */
.green-v:before {
    content: "⬤";
    color: var(--vetus-green);
    font-size: 0.8rem;
    margin-right: 8px;
    position: relative;
    bottom: 5px;
}

.pink-v:before {
    content: "⬤";
    color: var(--vetus-pink);
    font-size: 0.8rem;
    margin-right: 8px;
    position: relative;
    bottom: 5px;
}

.black-v:before {
    content: "⬤";
    color: black;
    text-shadow: 0px 0px 1px var(--light);
    font-size: 0.8rem;
    margin-right: 8px;
    position: relative;
    bottom: 5px;    
}

.feature-list {
    color: var(--light);
    font-family: var(--body-font);
    font-size: clamp(1rem, 4vw, 1.5rem);
    font-weight: 200;
    margin: 0 auto;
    max-width: 540px;
    list-style-type: disc;
    padding-bottom: 8px;
}
/* Separate colour between list icon & text */
.feature-list li::marker {
   color: var(--vetus-green);
   font-size: 0.8em;
}

/* FAQs section */
#faqs {
    padding-top: 80px;
    padding-bottom: 80px;
    margin-bottom: 120px;
    background-color: var(--none-more-black);
}

/* Accordion classes */

.accordion {
    --bs-border-color: var(--none-more-black)!important;
    --bs-accordion-bg: var(--content-bg);
    background-color: var(--content-bg) !important;
}

.accordion-collapse {
    background-color: var(--content-bg);
}

.accordion-collapse.collapse.show {
    background-color: var(--content-bg)!important;
}

.accordion-body {
    font-family: var(--body-font);
    font-size: 18px;
    padding-left: 16px;
    margin: 0 auto;
    max-width: 540px;
    background-color: var(--content-bg);
    color: var(--light);
    border-radius: 0 !important;
}

.accordion-button {
    color: var(--light);
    background-color: var(--main-bg);
    font-size: 20px;
    font-weight: 500 !important;
    font-family: var(--body-font);
    border-bottom: 1px solid var(--none-more-black);
    outline: none;
}

.accordion-button:not(.collapsed) {
    color: var(--light);
    background-color: var(--main-bg);
}

/* Override bootstrap icon colour */
.accordion-button::after, .accordion-button::before {
    background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>") !important;
 }

.accordion-button {
   color: var(--light);
}

/* overrides default blue border on focus */
button.accordion-button:focus{
    outline: 1px solid var(--vetus-green);
    box-shadow: 1px 1px 4px var(--none-more-black);
    border-bottom: none;
}

/* Footer Section */
footer {
    font-family: var(--body-font);
    color: var(--light);
    text-align: center;
    background-color: var(--main-bg);
    margin: 40px 4px 16px 4px;
    padding: 40px 24px 24px 24px;
    border-radius: 0 0 40px 40px;
    background: linear-gradient(to top, var(--main-bg), var(--main-bg),
    var(--none-more-black));
}
/* nav links in footer */
.text-body-secondary {
    color: var(--light)!important;
    padding-bottom: 4px;
}

/* form button styling */
form button {
    background-image: linear-gradient(to right, var(--vetus-green), var(--vetus-green), var(--vetus-pink))!important;
    color: var(--none-more-black)!important;
    outline: none!important;
    border: none!important;
    border-radius: 60px!important;
    transition: all 0.2s ease-out!important;
}

form button:hover {
    opacity: 0.5;
    background-image: linear-gradient(to right, var(--vetus-green), var(--vetus-pink), var(--vetus-pink))!important;
}

/* Footer divider */
.border-top {
    border-color: var(--content-bg)!important;
}