/* Base Styles */
/* set global VARIABLES */
:root {
    --base-size: 16px;
    --gap: 1.5rem;
    --primary: darkorange;
    --secondary: #e25454;
    --h2-border: #ff5e62;
    --text: #333;
    --text-2: #777;
    /*  */
    --navHeight: 100px;
    --max-card-w: 400px;
    --link-line: crimson;

    /* LIGHT theme, for ref. See '.theme-switch__input' */
    /* --light: #333;
    --dark: burlywood;
    --gradDark: rgb(184, 184, 192);
    --gradLight: rgba(222, 184, 135, 0.85);
    --background: linear-gradient(90deg, var(--gradDark), var(--gradLight), var(--gradDark));
    --nav-gradLight: darkgoldenrod;
    --nav-gradDark: rgba(230, 230, 250, 1);
    --nav-background: linear-gradient(0deg, var(--nav-gradLight), var(--nav-gradDark), var(--nav-gradLight)); */

    /* DARK theme, for ref. See '.theme-switch__input' */
    --light: whitesmoke;
    --dark: #2c3e50;
    --gradDark: #071a64;
    --gradLight: #b90000;
    --background: linear-gradient(90deg, var(--gradDark), var(--gradLight), var(--gradDark));
    --nav-gradDark: rgba(0, 0, 0, 0.95);
    --nav-gradLight: rgba(0, 0, 0, 0.8);
    --nav-background: linear-gradient(0deg, var(--nav-gradLight), var(--nav-gradDark), var(--nav-gradLight));
}

html {
    box-sizing: border-box;
    font-size: var(--base-size, 16px);
    font-size: min(0.7rem + 1vw, calc(var(--base-size) + 4px));
    line-height: 1.6;
    overflow-x: hidden;
}

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

body {
    /* font-family: 'Open Sans', sans-serif; */
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 
            Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', 
            sans-serif;
    font-optical-sizing: auto;
    margin: 0 auto;
    background: var(--background);
    /* color: var(--text, black); */
    color: var(--light);
    padding-top: var(--navHeight);
}

h1, h2, h3 {
    /* font-family: 'Montserrat', sans-serif; */
    font-family: sans-serif;
    font-weight: 700;
    letter-spacing: 0.2rem;
}

a {
    text-decoration: none;
    color: var(--h2-border);
}

/* Add ANIMATIONs */
@keyframes slideIn {
  from {translate: 0vw 100vh; opacity: 0; scale: 0;}
  to {translate: 0 0; opacity: 1; scale: 1;}
}

@keyframes slideOut {
  from {translate: 0 0; opacity: 1; scale: 1;}
  to {translate: 100vw 100vh; opacity: 0; scale: 0;}
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    /* background: linear-gradient(135deg, var(--primary), var(--secondary)); */
    background: var(--nav-background);
    color: var(--light);
    z-index: 1;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Logo & Branding Styles */
.branding {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo {
    width: 3.5rem;
    height: 3.5rem;
    margin-right: 1rem;
    border-radius: 10px;
    object-fit: contain;
}

.branding-text {
    display: flex;
    flex-direction: column;
    line-height: initial;
}

.branding:hover {
    opacity: 0.9;
}

/* Desktop Navigation */
.main-nav ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
}

.main-nav li {
    margin-left: 2rem;
}

.main-nav a {
    color: var(--light);
    text-decoration: none;
    font-weight: bold;
    padding: 0.5rem 0;
    position: relative;
}

.main-nav a:hover,
.branding:hover h1 {
    /* color: var(--text-2); */
    color: var(--primary);
}

.main-nav a::after,
.branding h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--light);
    transition: width 0.3s ease;
}

.main-nav a:hover::after,
.branding:hover h1::after {
    width: 100%;
}

/* Mobile Menu Toggle */
/* .main-nav.active {
    color: whitesmoke;
} */

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
    padding: 10px;
    position: relative;
    z-index: 2;
}

/* Ensure hamburger stays clickable */
.hamburger, 
.hamburger::before, 
.hamburger::after {
    pointer-events: none; /* Lets clicks pass through to button */
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--light);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background: var(--light);
    left: 0;
    transition: all 0.3s ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

/* Mobile Menu Styles */
/* @media (max-width: 768px) { */
@media (max-width: 992px) {
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--nav-gradDark);
        transition: right 0.3s ease;
        padding: 6rem 2rem 2rem;
        z-index: 1;
        overflow-y: auto;
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
    }

    .main-nav li {
        margin: 1.5rem 0;
    }

    .main-nav a {
        font-size: 1.2rem;
    }

    .main-nav a:hover {
        color: var(--light);
    }
    .mobile-menu-toggle {
        display: block;
    }

    .mobile-menu-toggle[aria-expanded="true"] .hamburger {
        background: transparent;
    }

    .mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}


/* Main Grid Layout */
main > section {
    scroll-margin-top: var(--navHeight);
}

.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap);
    max-width: 1200px;
    margin: 1rem auto;
    padding: 0 1rem;
}



/* Cards */
.card {
    display: flex;
    flex-direction: column;
    /* background: var(--light); */
    /* color: var(--light); */
    border-radius: 0.5rem;
    /* border: 1px solid whitesmoke; */
    overflow: hidden;
    box-shadow: 0 0.5rem 0.75rem rgba(0,0,0,0.95);
    transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
}

.card:hover {
    transform: scale(1.025);
    /* box-shadow: 0 0.5rem 0.75rem rgba(0,0,0,0.9); */
}

.card:hover, 
.card:focus, 
.card:active {
    background-color:darkgoldenrod;
}

.card.about:hover {
    transform: none;
    background-color:initial;
}

.card-content {
    padding: 1.5rem;
}

.card h2 {
    margin-bottom: 1rem;
    font-size: 2rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.625rem;
    border-bottom: 2px solid var(--h2-border);
    display: inline-block;
}

.card ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.card li {
    margin-bottom: 0.5rem;
}

.card-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.stillness {
    width: 6rem;
    height: 6rem;
    position: absolute;
    right: -1rem;
    bottom: -4rem;
}

/* Buttons */
.cta {
    display: inline-block;
    background: var(--primary);
    color: var(--light);
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 10rem;
    font-weight: bold;
    font-size: inherit;
    cursor: pointer;
    transition: all 0.5s ease;
}

.cta:hover {
    background: var(--nav-background);
    border: 1px solid whitesmoke;
}

.cta:hover:after {
    width: 100%;
}

.cta:after {
    content: "";
    position: absolute;
    z-index: -1;
    transition: all 0.5s ease;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: var(--dark);
}

.cta a {
    color: unset;
}

/* Details dropdown */
summary {
    cursor: pointer;
}

/* Audio Player */
.audio-player {
    margin: 1rem;
}

audio {
    width: 100%;
    padding: 0.25rem;
    background-color: darkgoldenrod;
    border-radius: 10px;
}

audio:hover, 
audio:focus, 
audio:active, 
audio:focus-within {
    background-color:gray;
}

.bi-soundwave,
.bi-film {
    color: crimson;
}


/* Testimonials */
.testimonials {
    text-align: center;
    padding: 2rem;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr;
    /* gap: 1.5rem; */
    gap: var(--gap);
    margin-top: 2rem;
    margin-bottom: 2rem;
    color: var(--text);
}

@media (min-width: 768px) {
    .testimonial-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

blockquote {
    /* background: var(--light); */
    background: whitesmoke;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

blockquote p {
    font-style: italic;
    margin-bottom: 1rem;
}

cite {
    font-weight: bold;
    color: var(--text-2);
}


/* Contact */
.contact {
    padding: 2rem;
    /* background: var(--light);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1); */
}

.contact h2 {
    text-align: center;
    margin-bottom: 1rem;
}

/* Contact blocks */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
    padding-bottom: 2rem;
}

.feature {
    background: rgba(0, 0, 0, 0.4);
    padding: 0.5rem 1.25rem 1.25rem 1.25rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: scale(1.025);
    background: rgba(0, 0, 0, 0.5);
}

.feature i {
    font-size: 2.5rem;
    color: var(--h2-border);
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.4rem;
    color: #ff9966;
}

.feature a button {
    font-weight: normal;
}

/* Contact Form */
.contact-form {
    display: grid;
    gap: var(--gap);
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding-top: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

.contact-form textarea {
    resize: vertical;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    background: var(--nav-background);
    color: var(--light);
}

.social-links {
    margin-bottom: 1rem;
}

.footer-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
}

.footer-row a,
.footer-row .logo {
    width: 2rem;
    height: 2rem;
}

.social-links a {
    color: var(--light);
    font-size: 1.5rem;
    margin: 0 0.5rem;
    transition: color 0.3s;
}

/* Bandcamp icon */
.bi-suit-diamond-fill::before {
    transform: rotate(53deg);
    /* color: #0687f5; */
}

.social-links a:hover {
    color: var(--primary);
}


/* Videos */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--gap);
    margin: 1rem;
}

.video-item {
    border-radius: 0.5rem;
    overflow: hidden;
}

.video-thumb {
    position: relative;
    overflow: hidden;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background-size: cover;
    background-position: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Loading Animation */
.loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s ease-in-out infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.video-thumb iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.3s ease 0.2s;
}

.video-loaded iframe {
    opacity: 1;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 0, 0, 0.8);
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    color: var(--light);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}

.play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
    cursor: inherit;
}

/* Poster Animation */
.video-thumb::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.2);
    opacity: 1;
    transition: opacity 0.3s ease;
}

.video-loaded::before {
    opacity: 0;
}

/* Controls panel @ Footer */
.foot-bar {
    text-align: center;
    background-color: var(--primary);
    padding: 0.5rem;
    position: fixed;
    width: 2.5rem;
    height: 2.5rem;
    right: 5px;
    bottom: 5px;
    border-radius: 10rem;
    opacity: 0.95;
    animation: slideIn 1s;
}

.foot-bar span a, 
.foot-bar span a:visited,
.foot-bar span a:active {
    color: var(--light);
}

.foot-bar:hover,
.foot-bar:focus {
    background-color: black;
    border: 1px solid whitesmoke;
    cursor: pointer;
}

.foot-bar > span span {
    font-size: 1.5rem;
    line-height: 0;
}

/* .foot-bar modal(s) */
#controls-modal {
    display: none;
    flex-flow: row wrap;
    animation: slideIn 0.8s;
    padding: 1rem 1rem 0.75rem 1rem;
    justify-content: space-evenly;  
    position: fixed;
    bottom: 0;
    width: 100%;
    background: var(--nav-background);
    /* overflow-y: hidden; */
    /* overflow: auto; */
}

.close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  z-index: 2;
  font-family: "Inter", sans-serif;
  font-size: 2rem;
  line-height: 1rem;
  transition: 1s;
}

.close:hover {
  transform: scale(1.2);
  color: var(--primary);
  cursor: pointer;
}

.made-by {
  position: absolute;
  bottom: 0.5rem;
  right: 2rem;
  z-index: 2;
  transition: 1s;
}

ul, .made-by {
  font-size: min(0.8rem + 1vw, 18px);
}

/* START Theme switch */
body:has(.theme-switch__input:checked) {
    /* LIGHT theme */
    --light: #333;
    --dark: burlywood;
    --gradDark: rgb(184, 184, 192);
    --gradLight: rgba(222, 184, 135, 0.85);
    --background: linear-gradient(90deg, var(--gradDark), var(--gradLight), var(--gradDark));
    --nav-gradLight: darkgoldenrod;
    --nav-gradDark: rgba(230, 230, 250, 1);
    --nav-background: linear-gradient(0deg, var(--nav-gradLight), var(--nav-gradDark), var(--nav-gradLight));
    /* DARK theme */
    /* --light: whitesmoke;
    --dark: #2c3e50;
    --gradDark: #071a64;
    --gradLight: #b90000;
    --background: linear-gradient(90deg, var(--gradDark), var(--gradLight), var(--gradDark));
    --nav-gradDark: rgba(0, 0, 0, 0.95);
    --nav-gradLight: rgba(0, 0, 0, 0.8);
    --nav-background: linear-gradient(0deg, var(--nav-gradLight), var(--nav-gradDark), var(--nav-gradLight)); */
}

.theme-switch__input {
  display: none;
}

.theme-switch__input:hover + .theme-switch__label span::after, .theme-switch__input:focus + .theme-switch__label span::after {
  background-color: lightgray
}

.theme-switch__label {
  position: relative;
  margin: 2rem;
  transition: background-color 200ms ease-in-out;
  width: 7rem;
  height: 2rem;
  border-radius: 3.125rem;
  text-align: center;
  background-color: slateGray;
  box-shadow: -4px 4px 15px inset rgba(0, 0, 0, 0.4);
}
.theme-switch__label span {
  position: absolute;
  bottom: calc(100% + 0.45rem);
  left: 0;
  width: 100%;
}

.theme-switch__label::before, .theme-switch__label::after {
  font-size: 2rem;
  position: absolute;
  transform: translate3d(0, -50%, 0);
  top: 50%;
}

.theme-switch__label::before {
  content: "\263E";
  right: 100%;
  margin-right: 10px;
}
.theme-switch__label::after {
  content: "\263C";
  left: 100%;
  margin-left: 10px;
  color: orange;
}

.theme-switch__label span::after {
  position: absolute;
  top: calc(100% + 0.69rem);
  left: 0.2rem;
  width: 1.5rem;
  height: 1.5rem;
  content: "";
  border-radius: 50%;
  background-color: burlywood;
  transition: transform 200ms, background-color 200ms;
  box-shadow: -3px 3px 8px rgba(0, 0, 0, 0.4);
}

.theme-switch__input:checked ~ .theme-switch__label span::after {
  transform: translate3d(5.08rem, 0, 0);
}

.theme-switch__input:checked ~ .theme-switch__label::after {
  /* color: black; */
  color: var(--light);
}
.theme-switch__input:checked ~ .theme-switch__label::before {
  color: turquoise;
}
/* END Theme switch */

/* START gap switch */
.range {
  display: flex;
  flex-flow: column-reverse;
  /* CROSS flex axis */
  align-items: center;
  /* MAIN flex axis */
  justify-content: flex-end;
}

.gap-switch__label {
  margin-bottom: 0.8rem;
}

datalist {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  width: 160px;
}
/* END gap switch */

/* General screens settings */
@media (min-width: 768px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about, .testimonials, .contact {
        grid-column: 1 / -1;
    }
}

@media (min-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .teaching {
        grid-column: 1 / 4;
    }
    
    .performance {
        grid-column: 2 / -1;
    }
    
    .videos {
        grid-column: 1 / -1;
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .composition {
        grid-column: 2 / 4;
    }
}