/* GLOBALS */
:root {
    --color-primary-1: #ff2788;
    --color-primary-2: #e15958;
    --color-accent: #0e00b1;
    --color-dark-1: #2b2b2b;
    --color-dark-2: #4c4c4c;
    --color-dark-3: #919191;
    --color-light-1: #efefef;
    --color-light-2: #f5f5f5;
    --color-light-3: #fafafa;
    --white: #ffffff;
    --black: #000000;

    --shadow-1: 0px 0px 1px rgba(40, 41, 61, 0.08), 0px 0.5px 2px rgba(96, 97, 112, 0.16);
    --shadow-2: 0px 0px 1px rgba(40, 41, 61, 0.04), 0px 2px 4px rgba(96, 97, 112, 0.16);
    --shadow-3: 0px 0px 2px rgba(40, 41, 61, 0.04), 0px 4px 8px rgba(96, 97, 112, 0.16);
    --shadow-4: 0px 2px 4px rgba(40, 41, 61, 0.04), 0px 8px 16px rgba(96, 97, 112, 0.16);
    --shadow-5: 0px 2px 8px rgba(40, 41, 61, 0.04), 0px 16px 24px rgba(96, 97, 112, 0.16);
    --shadow-6: 0px 2px 8px rgba(40, 41, 61, 0.08), 0px 20px 32px rgba(96, 97, 112, 0.24);

    --webkit-gradient: -webkit-linear-gradient(130deg, var(--color-primary-1), var(--color-primary-2) 50%);
    --gradient: linear-gradient(130deg, var(--color-primary-1) 20%, var(--color-primary-2) 100%);
    --gradient-shift: linear-gradient(130deg, var(--color-primary-2), var(--color-primary-1), var(--color-primary-2));
    --transition-3: 0.3s;
    --transition-5: 0.5s;
}

body {
    font-family: "Inter", sans-serif;
    scroll-behavior: smooth;
}

img { width: 100%; }

button {
    outline: none;
    border: none;
    transition: var(--transition-3);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin: 0;
}
.bg-primary { background-color: var(--color-primary); }
.bg-light { background-color: var(--light-3); }
.bg-white { background-color: #fff; }
.bg-dark { background-color: var(--color-dark); }
.color-dark { color: var(--color-dark); }
.color-primary-1 { color: var(--color-primary); }
.color-primary-2 { color: var(--color-prmary);  }
.color-accent { color: var(--color-accent); }
.color-white { color: #fff; }

.title-gradient {
    background: var(--webkit-gradient);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient {
    background: var(--webkit-gradient);
    background: var(--gradient);
}
.text-center { text-align: center; }
.color-black { color: var(--black); }
.color-dark { color: var(--dark-3); }
.border-radius { border-radius: 16px; }
.btn-rounded { border-radius: 25px; }

svg { transition: var(--transition-3); }
.svg-xlarge { width: 64px; }
.svg-large { width: 42px; }
.svg-normal { width: 32px; }
.svg-small { width: 22px; }
.svg-xsmall { width: 16px; }
.svg-blue { fill: var(--color-primary); }
.svg-dark { fill: var(--dark-3); }
.svg-white { fill: #fff; }

.grid-row { display: grid; }
.grid-row.col-2 { grid-template-columns: repeat(2, 1fr); }
.grid-row.col-3 { grid-template-columns: repeat(3, 1fr); }
.grid-row.col-4 { grid-template-columns: repeat(4, 1fr); }
.gap { gap: 32px; }
.gap-lg { gap: 48px; }
.gap-sm { gap: 24px; }

.fb-card {
    background-color: #fff;
    border-radius: 3rem;
    transition: var(--transition-3);
}
.fb-card.card-outlined {border: 1px solid var(--light-1); }
.fb-card.shad-lg {box-shadow: var(--shadow-4); }
.fb-card.shad-sm {box-shadow: var(--shadow-2); }
.fb-card.on-elevate:hover {box-shadow: var(--shadow-4); }

.title-bar {
    height: 200px;
    background-image: url(images/about-bar-bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    /* background-attachment: fixed; */
    margin-bottom: 0 !important;
}
.title-bar h2 { font-size: 4rem; }
.section-title {
    font-size: 3.3rem;
    font-family: 'Poppins', sans-serif;
}

.space-h-100 {
    padding-top: 100px;
    padding-bottom: 100px;
}
.space-h-80 {
    padding-top: 80px;
    padding-bottom: 80px;
}
.space-b-100 {
    padding-bottom: 100px;
}

/* END */

/* OVERRIDE BOOTSTRAP */
.container { max-width: 1300px; }

/* END */

/* HEADER */
.desktop-mode {
    display: block;
    transition: var(--transition-3);
}
.mobile-mode {
    display: none;
    transition: var(--transition-3);
}

.fixed-header {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 100;
    transition: var(--transition-3);
}

.top-header {
    background-color: var(--color-accent);
    font-family: 'Inter', sans-serif;
    transition: var(--transition-3);
}
.top-header p,
.top-header a { color: #fff; }
.top-header a:hover { text-decoration: underline; }

.base-header {
    height: 90px;
    transition: var(--transition-3);
}
.base-header a {
    text-decoration: none;
    color: var(--white);
    transition: var(--transition-3);
}
.base-header .nav-link {
    display: inline-block;
    margin-top: -20px;
    font-weight: 700;
    font-size: 1.2rem;
    height: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
    font-family: 'Poppins', 'Inter', sans-serif;
    opacity: 0.7;
}
.base-header .nav-link:hover { opacity: 1; }
.base-header .nav-link.active { opacity: 1; }
.base-header .logo {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background-color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    top: -30px;
}
.base-header .logo img {  width: 70px; }

.navigation {
    padding: 0;
    background-color: var(--color-dark-1);
    height: 0px;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition-5);
}
.navigation.open {
    padding: 16px 0;
    height: auto;
    visibility: visible;
    opacity: 1;
    transition: var(--transition-3);
}
.mobile-mode > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.navigation > div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.navigation > div a {
    font-weight: 500;
    width: 100%;
    color: var(--white);
    transition: var(--transition-3);
}
.navigation > div a:hover {
    background: var(--webkit-gradient);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.navigation > div a.active {
    background: var(--webkit-gradient);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mobile-mode .logo {
    width: 40px;
    height: 40px;
    position: static;
    top: unset;
    border-radius: 50%;
    background-color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
}
.mobile-mode .logo img { width: 20px; }

.menu-icon {
    background-color: transparent;
    outline: none;
    border: none;
}

/* END */

/* FOOTER */
.footer-top { background-color: var(--color-light-1); }
.footer-top .quick-links a {
    font-weight: 500;
    transition: var(--transition-3);
}
.footer-top .quick-links a:hover { color: var(--color-primary-1); }
.footer-top .social a {
    display: inline-block;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.footer-top .social a:hover { animation: gradientMove 0.3s ease-in-out forwards; }
.footer-base {
    background-color: var(--color-dark-2);
    transition: var(--transition-3);
}
.footer-base a:hover { color: var(--color-primary-1); }

/* END */


/* CONTENTS */
.main-contents { margin-top: 130px; }

.hero-section {
    height: 690px;
    background-image: url(images/hero-bg.jpg);
    background-image: linear-gradient(45deg, rgba(0, 0, 0, 0.99), transparent 100%), url(images/hero-bg.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    margin-bottom: 0 !important;
}
.hero-section h1 {
    font-size: 4.5rem;
    font-family: 'Poppins', sans-serif;
}
.hero-section p {  max-width: 700px; }
.hero-section a {
    align-self: flex-start;
    border-radius: 1px;
    padding: 18px 42px;
    font-weight: 500;
    color: var(--color-light-1);
}
.hero-section a:hover {
    color: var(--white);
    animation: gradientMove 0.3s ease-in-out forwards;
}

@keyframes gradientMove {
    0% {
        background: var(--gradient);
    }
    100% {
        background: var(--gradient-shift);
    }
}

.about-tutor > div { align-items: center; }

.cards-section { background-color: var(--color-light-2); }
.cards-section .cards-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.cards-section .cards-layout .icon {
    width: 120px;
    border-top: 10px solid var(--color-primary-1);
    border-bottom: 10px solid var(--color-primary-1);
    align-self: center;
}

.subscribe-section {
    height: 315px;
    background-image: url(images/subscribe-bg.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}
.subscribe-section>div {
    display: flex;
    justify-content: center;
    align-items: center;
}
.subscribe-section p {
    font-weight: 400;
    font-size: 2rem;
}
.subscribe-section p span { font-weight: 700; }
.subscribe-section a {
    border-radius: 1px;
    padding: 18px 42px;
    font-weight: 500;
    color: var(--color-light-1);
}
.subscribe-section a:hover {
    color: var(--white);
    animation: gradientMove 0.3s ease-in-out forwards;
}
.subscribe-section a span { display: inline-block; }

/* ABOUT PAGE */
#about-page #who-we-are-section { margin-bottom: 0 !important; }
#about-page #who-we-are-section p { max-width: 900px; }
#about-page .about-tutor {
    background-image: url(images/who-we-are-bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin-bottom: 0 !important;
}
#about-page .about-tutor > div { grid-template-columns: 400px 1fr; }
#about-page .promo-video { background-color: var(--color-dark-1); }
#about-page .design-brief > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#about-page .design-brief a {
    display: flex;
    align-items: center;
    text-align: center;
    background-color: var(--color-accent);
    padding: 16px 24px;
    color: #fff;
    gap: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-3);
}
#about-page .design-brief a:hover {
    color: var(--color-primary-2);
}
#about-page .design-brief a:hover svg {
    fill: var(--color-primary-2) !important;
}

/* COURSES PAGE */
#courses-page .intro p { max-width: 700px; }
#courses-page .courses-list {
    background-image: url(images//courses-bg.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
#courses-page .courses-list .item {
    background-color: rgba(255, 255, 255, 0.9);
    background-color: var(--white);
    padding: 24px 32px;
}
#courses-page .premium {
    align-items: center;
}
#courses-page .premium a {
    padding: 16px 24px;
    text-decoration: none;
    transition: var(--transition-3);
}
#courses-page .premium a h4 {
    color: var(--color-primary-2);
}
#courses-page .premium a:nth-of-type(1) {
    background-color: rgba(255, 39, 136, .05);
}
#courses-page .premium a:nth-of-type(2) {
    background-color: rgba(14, 0, 177, 0.05);
}
#courses-page .premium a:nth-of-type(1):hover {
    background-color: rgba(255, 39, 136, 0.1);
}
#courses-page .premium a:nth-of-type(2):hover {
    background-color: rgba(14, 0, 177, 0.1);
}
#courses-page .premium img {
    width: 50px;
}

/* GALLERY PAGE */
#gallery-page .styled-grid-layout > div {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(6, 18vw);
}
#gallery-page .styled-grid-layout > div img,
#gallery-page .img-scale img {
    height: 100%;
    object-fit: cover;
    transition: var(--transition-3);
}
#gallery-page .styled-grid-layout > div img:hover,
#gallery-page .img-scale img:hover {
    transform: scale(1.05);
}
#gallery-page .styled-grid-layout > div img:nth-child(1) {
    grid-column: 1 / span 2;
    grid-row: 1 / span 2;
}
#gallery-page .styled-grid-layout > div img:nth-child(2) {
    grid-column: 3 / span 1;
    grid-row: 1 / span 1;
}
#gallery-page .styled-grid-layout > div img:nth-child(3) {
    grid-column: 3 / span 1;
    grid-row: 2 / span 1;
}
#gallery-page .styled-grid-layout > div img:nth-child(4) {
    grid-column: 1 / span 1;
    grid-row: 3 / span 1;
}
#gallery-page .styled-grid-layout > div img:nth-child(5) {
    grid-column: 2 / span 1;
    grid-row: 3 / span 1;
}
#gallery-page .styled-grid-layout > div img:nth-child(6) {
    grid-column: 3 / span 1;
    grid-row: 3 / span 1;
}
#gallery-page .styled-grid-layout > div img:nth-child(7) {
    grid-column: 1 / span 1;
    grid-row: 4 / span 1;
}
#gallery-page .styled-grid-layout > div img:nth-child(8) {
    grid-column: 2 / span 1;
    grid-row: 4 / span 1;
}
#gallery-page .styled-grid-layout > div img:nth-child(9) {
    grid-column: 3 / span 1;
    grid-row: 4 / span 1;
}
#gallery-page .styled-grid-layout > div img:nth-child(10) {
    grid-column: 1 / span 1;
    grid-row: 5 / span 1;
}
#gallery-page .styled-grid-layout > div img:nth-child(11) {
    grid-column: 2 / span 2;
    grid-row: 5 / span 2;
}
#gallery-page .styled-grid-layout > div img:nth-child(12) {
    grid-column: 1 / span 1;
    grid-row: 6 / span 1;
}

/* CONTACT */
#contact-page .contact-grid-layout > div { grid-template-columns: 500px 1fr; }
#contact-page .contact-info .info-item { gap: 32px; }
#contact-page .contact-info .info-item:nth-child(1) { border: 1px solid var(--color-primary-1); }
#contact-page .contact-info .info-item:nth-child(2) { border: 1px solid var(--color-primary-2); }
#contact-page .contact-info .info-item:nth-child(3) { border: 1px solid var(--color-accent); }
#contact-page .contact-info .info-item:nth-child(1) .icon { background-color: var(--color-primary-1); }
#contact-page .contact-info .info-item:nth-child(2) .icon { background-color: var(--color-primary-2); }
#contact-page .contact-info .info-item:nth-child(3) .icon { background-color: var(--color-accent); }
#contact-page .contact-form form .input-container {
    position: relative;
    margin-bottom: 20px;
    width: 100%;
}
#contact-page .contact-form form input,
#contact-page .contact-form form textarea {
    font-size: 16px;
    padding: 16px 20px;
    display: block;
    width: 100%;
    border: none;
    border-bottom: 1px solid #ccc;
    background-color: transparent;
}
#contact-page .contact-form form .appearance-fill input,
#contact-page .contact-form form .appearance-fill textarea {
    background-color: var(--color-light-2);
    border-radius: 4px;
    padding: 20px 24px;
}
#contact-page .contact-form form .appearance-outline input,
#contact-page .contact-form form .appearance-outline textarea {
    border-radius: 1px;
    border: 1px solid #ccc;
    padding: 10px;
}
#contact-page .contact-form form .appearance-standard input,
#contact-page .contact-form form .appearance-standard textarea {
    border-radius: 1px;
    border: 1px solid #ccc;
    padding: 8px;
}
#contact-page .contact-form form input:focus,
#contact-page .contact-form form textarea:focus { 
    outline: none;
}
#contact-page .contact-form form label {
    color: #999;
    font-size: 16px;
    font-weight: normal;
    position: absolute;
    pointer-events: none;
    left: 24px;
    top: 24px;
    transition: 0.2s ease all;
    transition: var(--transition-3);
}
#contact-page .contact-form form input:focus~label,
#contact-page .contact-form form input:valid~label,
#contact-page .contact-form form textarea:focus~label,
#contact-page .contact-form form textarea:valid~label {
    top: -20px;
    left: 0;
    font-size: 12px;
    color: var(--color-primary-1);
}
#contact-page .contact-form form .bar {
    position: relative;
    display: block;
    width: 100%;
}
#contact-page .contact-form form .bar:before,
#contact-page .contact-form form .bar:after {
    content: '';
    height: 2px;
    width: 0;
    bottom: 0;
    position: absolute;
    background: var(--color-accent);
    transition: 0.2s ease all;
    transition: var(--transition-3);
}
#contact-page .contact-form form .bar:before { left: 50%; }
#contact-page .contact-form form .bar:after { right: 50%; }
#contact-page .contact-form form input:focus~.bar:before,
#contact-page .contact-form form input:focus~.bar:after,
#contact-page .contact-form form input:valid~.bar:before,
#contact-page .contact-form form input:valid~.bar:after,
#contact-page .contact-form form textarea:focus~.bar:before,
#contact-page .contact-form form textarea:focus~.bar:after,
#contact-page .contact-form form textarea:valid~.bar:before,
#contact-page .contact-form form textarea:valid~.bar:after {
    width: 50%;
}
#contact-page .contact-form form .button-area button {
    border-radius: 1px;
    padding: 18px 42px;
    font-weight: 500;
    font-size: 1.2rem;
}
#contact-page .contact-form form .button-area button:hover {
    color: var(--white);
    animation: gradientMove 0.3s ease-in-out forwards;
}


/* MEDIA QUERIES */
@media screen and (max-width: 1200px) {
    #contact-page .contact-grid-layout > div { grid-template-columns: 450px 1fr; }
}

@media screen and (max-width: 992px) {
    .grid-row.col-4 { grid-template-columns: repeat(2, 1fr); }
    .desktop-mode { display: none; }
    .mobile-mode { display: block; }

    .main-contents { margin-top: 96px; }
    #courses-page .courses-list .courses-layout { grid-template-columns: repeat(2, 1fr); }
    #contact-page .contact-grid-layout > div { grid-template-columns: 400px 1fr; }
    #contact-page .info-item {
        padding: 16px !important;
        gap: 16px !important;
    }
    #contact-page .info-item .icon { padding: 16px !important; }
    #contact-page .info-item .icon svg { width: 32px; }
    #contact-page .info-item .item-content span {
        font-size: 1rem;
    }
}

@media screen and (max-width: 768px) {
    .grid-row.col-2 { grid-template-columns: 1fr; }
    .grid-row.col-3 { grid-template-columns: 1fr; }
    .grid-row.col-4 { grid-template-columns: 1fr; }

    .hero-section h1 { font-size: 3.5rem; }

    .cards-section .cards-layout { grid-template-columns: 1fr; }
    #about-page .design-brief > div {
        flex-direction: column;
        gap: 12px;
    }
    #about-page .about-tutor > div { grid-template-columns: 1fr; }

    #courses-page .courses-list .courses-layout { grid-template-columns: 1fr; }
    #courses-page .premium > div { margin-bottom: 16px; }
    
    #gallery-page .styled-grid-layout > div { gap: 16px; }
    #contact-page .contact-grid-layout > div { grid-template-columns: 1fr; }
}

@media screen and (max-width: 576px) {
    .lead { font-size: 1rem !important; }
    .title-bar h2 { font-size: 2.3rem; }
    .section-title { font-size: 2.3rem; }

    .top-header { display: none; }

    .main-contents { margin-top: 56px; }

    .hero-section h1 {
        font-size: 2.5rem;
        font-weight: 700;
    }
    .hero-section a { font-size: 1rem; }

    .subscribe-section p { font-size: 1.7rem; }
    .subscribe-section a svg { width: 24px; }
    .subscribe-section a span {
        font-size: 1rem;
    }
    #courses-page .courses-list .item { padding: 16px 24px; }
    

    #about-page .design-brief > div {
        text-align: center;
    }
    #about-page .design-brief a {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    #gallery-page .styled-grid-layout > div { gap: 8px; }

    #gallery-page .styled-grid-layout > div img {
        grid-column: unset;
        grid-row: unset;
    }
    #contact-page .info-item {
        padding: 10px !important;
        gap: 16px !important;
    }
    #contact-page .info-item .icon { padding: 10px !important; }
    #contact-page .info-item .icon svg { width: 24px; }
    #contact-page .info-item .item-content span { font-size: 0.9rem; }
    #contact-page .contact-form form > div:first-child { flex-direction: column; }
    #contact-page .contact-form .name-email { 
        flex-direction: column;
        gap: 24px;
    }
    

    .footer-top > div {
        flex-direction: column;
        justify-content: center;
        gap: 30px;
    }
}