/*RESET*/

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


/*COLORS*/

:root {
    --chinese-violet_30: #8665844d;
    --chinese-violet: #866584;
    --sonic-silver: #6d777e;
    --old-rose_30: #c27a7e4d;
    --ghost-white: #eeeff6;
    --light-pink: #fcb0b4;
    --light-gray: #cccccc;
    --old-rose: #c27a7e;
    --seashell: #f5ebe5;
    --charcoal: #2e4756;
    --white: #ffffff;


/*TYPOGRAPHY*/

    --ff-philosopher: 'Philosopher', sans-serif;
    --ff-poppins: 'Poppins', sans-serif;

    --fs-1: 4rem;
    --fs-2: 3.2rem;
    --fs-3: 2.7rem;
    --fs-4: 2.4rem;
    --fs-5: 2.2rem;
    --fs-6: 2rem;
    --fs-7: 1.8rem;

    --fw-500: 500;
    --fw-700: 700;


/*SPACING*/

    --section-padding: 80px;    


/*SHADOWS*/

    --shadow-1: 4px 6px 10px hsla(231, 94%, 7%, 0.06);
    --shadow-2: 2px 0 15px 5px hsla(231, 94%, 7%, 0.06);
    --shadow-3: 3px 3px 10px var(--chinese-violet);
    --shadow-4: 5px 5px 10px var(--chinese-violet);


/*RADIUS*/

    --radius-5: 5px;
    --radius-10: 10px;


/*CLIP PATH*/

    --polygon: polygon(100% 29%,100% 100%,19% 99%,0 56%);


/*TRANSITIONS*/

    --transition-1: 0.25s ease;
    --transition-2: 0.5s ease;
    --cubic-out: cubic-bezier(0.33, 0.85, 0.4, 0.96);
}


li {
    list-style: none;
}

a,
img,
span,
data,
input,
button,
textarea,
ion-icon {
    display: block;
}

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

img {
    height: auto;
}

input,
button,
textarea {
    background: none;
    border: none;
    font: inherit;
}

input,
textarea {
    width: 100%;
}

button {
    cursor: pointer;
}

address {
    font-style: normal;
}

ion-icon {
    pointer-events: none;
}

html {
    font-family: var(--ff-poppins);
    font-size: 10px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--white);
    color: var(--sonic-silver);
    font-size: 1.6rem;
    line-height: 1.8;
}

:focus-visible {
    outline-offset: 4px;
}

::selection {
    background-color: var(--old-rose); 
    color: var(--white);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background-color: hsl(0, 0%, 98%);
}
::-webkit-scrollbar-thumb {
    background-color: hsl(0, 0%, 80%);
}
::-webkit-scrollbar-thumb:hover {
    background-color: hsl(0, 0%, 70%);
}








.container {
    padding-inline: 15px;
}

.section {
    padding-block: var(--section-padding);
}

.section:nth-child(odd) {
    background-color: var(--seashell);
}

.section-subtitle {
    color: var(--old-rose);
    text-transform: uppercase;
    font-weight: var(--fw-700);
    letter-spacing: 4px;
    text-align: center;
}


.h1,
.h2,
.h3,
.tab-text {
    color: var(--charcoal);
    font-family: var(--ff-philosopher);
    line-height: 1.2;
}

.h1 {
    font-size: var(--fs-2);
}

.h2 {
    font-size: var(--fs-3);
}

.h3 {
    font-size: var(--fs-5);
}

.section-text {
    font-size: var(--fs-7);
}

.w-100 {
    width: 100%;
}

.has-before,
.has-after {
    position: relative;
    z-index: 1;
}

.has-before::before,
.has-after::after {
    content: "";
    position: absolute;
}

.section-title {
    text-align: center;
}

.grid-list {
    display: grid;
    gap: 25px;
}

.btn-link {
    color: var(--old-rose);
    font-weight: var(--fw-500);
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition-1);
}

.btn-link:is(:hover, :focus) {
    color: var(--chinese-violet);
}

.has-underline {
    position: relative;
    margin-block-end: 60px;
}

.has-underline .span {
    height: 2px;
    background-color: var(--old-rose_30);
    width: 200px;
    margin-inline: auto;
    margin-block-start: 30px;
}

.has-underline .has-before::before {
    width: 18px; 
    height: 18px;
    top: 2px;
    left: 45%;
    transform: translateY(-50%) rotate(45deg);
    background-color: var(--old-rose_30);
    box-shadow: 7px -7px var(--old-rose_30);
}

.btn {
    padding: 12px 30px;
    transition: var(--transition-1);
}

.btn-primary {
    background-color: var(--old-rose);
    color: var(--white);
}

.btn-primary:is(:hover, :focus) {
    background-color: var(--chinese-violet);
}

.btn-secondary {
    border: 1px solid var(--old-rose);
    color: var(--old-rose);
}

.btn-secondary:is(:hover, :focus) {
    background-color: var(--old-rose);
    color: var(--white);
}

.img-holder {
    aspect-ratio: var(--width) / var(--height);
    background-color: var(--light-gray);
}

.img-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}








/* HEADER */

.header {
    background-color: var(--white);
    position: absolute;
    top: 10px;
    right: 10px;
    left: 10px;
    padding-block: 12px;
    z-index: 4;
    transition: var(--transition-2);
}

.header.active {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    filter: drop-shadow(var(--shadow-1));
    transform: translateY(-100);
    transition: none;
    animation: slideIn 0.5s ease forwards;
}

@keyframes slideIn {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(0);
    }
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--ff-philosopher);
    font-size: 4rem;
    color: var(--charcoal);
    line-height: 1;
}

.nav-toggle-btn {
    font-size: 40px;
    color: var(--charcoal);
}

.nav-toggle-btn ion-icon {
    --ionicon-stroke-width: 20px;
}

.nav-toggle-btn.active .open,
.nav-toggle-btn .close {
    display: none;
}

.nav-toggle-btn .open,
.nav-toggle-btn.active .close {
    display: block;
}

.navbar {
    display: none;
}

.navbar {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    padding-inline: 15px;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: 0.25s var(--cubic-out);
}

.navbar.active {
    max-height: 300px;
    visibility: visible;
    transition-duration: 0.5s;
}

.navbar-list {
    margin-block-end: 10px;
}

.navbar-link {
    color: var(--charcoal);
    padding-block: 8px;
    line-height: 1.5;
    transition: var(--transition-1);
}

.navbar-link:is(:hover, :focus){
    color: var(--old-rose);
}







/* HERO */ 

.hero {
    padding-block-start: calc(var(--section-padding) + 60px);
    text-align: center;
}

.hero .container {
    display: grid;
    gap: 60px;
}

.hero .hero-title {
    margin-block: 10px 25px;
}

.hero-banner {
    padding-inline-start: 30px;
    padding-block-end: 30px;
    max-width: 420px;
    margin-inline: auto;
}

.hero-banner .w-100 {
    border-radius: 10px 30px;
}

.hero-banner::before {
    top: 30px;
    right: 30px;
    bottom: 0;
    left: 0;
    background-color: var(--light-pink);
    border-radius: var(--radius-10);
    z-index: -1;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--white);
    color: var(--chinese-violet);
    font-size: 22px;
    padding: 24px;
    border-radius: 50%;
    transition: var(--transition-1);
    animation: pulse 3s ease infinite;
}

.play-btn:is(:hover, :focus) {
    color: var(--old-rose);
}

@keyframes pulse {
    0%,
    50% {
        box-shadow: 0 0 0 0 hsla(0, 0, 100%, 0.5);
    }

    100%{
        box-shadow:  0 0 0 10px transparent;
    }
}







.benefits .section-text {
    text-align: center;
    margin: 8px 25px;
}

.benefits-card {
     padding: 25px;
     box-shadow: var(--shadow-2);
     border-radius: var(--radius-5);
     overflow: hidden;
     transition: var(--transition-2);
}

.benefits-card::before,
.benefits-card::after {
    bottom: 0;
    right: 0;
    clip-path: var(--polygon);
    transition: var(--transition-2);
}
.benefits-card::before {
    width: 80px;
    height: 80px;
    background-color: var(--old-rose_30);
    transform: translateY(60px);
}

.benefits-card::after {
    width: 70px;
    height: 70px;
    background-color: var(--chinese-violet_30);
    transform: translateY(65px);
}

.benefits-card:is(:hover, :focus-within) {
    transform: translateY(-10px);
}

.benefits-card:is(:hover, :focus-within)::before,
.benefits-card:is(:hover, :focus-within)::after {
    transform: translateY(0);
}

.benefits-card:is(:hover, :focus-within)::after {
    transition-delay: 0.1s;
}

.benefits-card .card-icon {
    background-color: var(--old-rose);
    max-width: max-content;
    padding: 10px;
    box-shadow: var(--shadow-3);
    transition: var(--transition-1);
}

.benefits-card:is(:hover, :focus) .card-icon {
    box-shadow: none;
}

.benefits-card .card-title {
    margin-block: 20px 15px;
}

.benefits-card .btn-link {
    margin-block-start: 15px;
}











.chapter-card {
    height: 100%;
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--radius-5);
    box-shadow: var(--shadow-2);
    transition: var(--transition-2);
}

.chapter-card:is(:hover, :focus-within) {
    transform: translateY(-10px);
}

.chapter-card .card-title {
    margin-block-end: 15px;
}









.tab-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tab-card {
    position: relative;
    height: 60px;
    background-color: var(--seashell);
    border-radius: var(--radius-10);
    box-shadow: var(--shadow-3);
    display: grid;
    place-content: center;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-1);
}

.tab-card .w-100 {
    pointer-events: none;
    opacity: 0;
    transition: var(--transition-2);
}

.tab-card.active .w-100 {
    opacity: 1;
}

.tab-card.active {
    height: 40vh;
    box-shadow: none;
}

.tab-text {
    font-size: var(--fs-4);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.tab-card.active .tab-text {
    display: none;
}







/* PRICING */

.pricing-card {
    padding: 40px 50px;
    background-color: var(--white);
    text-align: center;
    transition: var(--transition-2);
}

.pricing-card:is(:hover, :focus-within),
.pricing-card.bundle {
    box-shadow: var(--shadow-4);
}

.pricing-card:is(:hover, :focus-within) {
    transform: translateY(-10px);
}

.pricing-card .price {
    font-family: var(--ff-philosopher);
    font-size: var(--fs-1);
    color: var(--charcoal);
    font-weight: var(--fw-700);
    margin-block-start: 10px;
}

.pricing-card-list {
    margin-block: 20px 40px;
}

.pricing-card-list .card-item:not(:last-child) {
    border-block-end: 1px solid var(--ghost-white);
}

.pricing-card .card-text {
    padding-block: 10px;
}

.pricing-card .btn {
    margin-inline: auto;
}







/* AUTHOR */

.author {
    background-color: var(--seashell);
}

.author .container {
    display: grid;
    gap: 40px;
}

.author :is(.section-subtitle, .section-title) {
    text-align: left;
}

.author-content {
    background-color: var(--white);
    padding: 30px;
}

.author .section-text {
    font-size: unset;
}






/* ACHIEVEMENT */

.section.achievement {
    background-color: var(--white);
}

.achievement-card {
    background-color: var(--seashell);
    box-shadow: var(--shadow-4);
    overflow: hidden;
    transition: var(--transition-2);
}

.achievement-card:is(:hover, :focus-within) {
    transform: translateY(-10px);
}

.achievement-card .card-content {
    position: relative;
    padding: 15px;
}

.achievement-card .abs-img {
    position: absolute;
    top: 0;
    right: -5px;
    opacity: 0.3;
}






/* CONTACT */

.contact .wrapper {
    display: grid;
    gap: 25px;
}

.contact-form {
    background-color: var(--seashell);
    padding: 20px;
}

.input-field {
    background-color: var(--white);
    padding: 10px;
    margin-block-end: 15px;
    outline: none;
    border-block-end: 2px solid transparent;
}

.input-field:focus {
    border-color: var(--old-rose);
}

textarea.input-field {
    resize: vertical;
    min-height: 120px;
    height: 120px;
    max-height: 200px;
}

.contact-form .btn {
    margin-inline: auto;
}

.contact-card {
    background-color: var(--seashell);
    padding: 30px;
}

.contact-card .card-title {
    font-family: var(--ff-philosopher);
    text-transform: uppercase;
    font-weight: var(--fw-700);
}

.contact-card > li:not(:last-child) {
    margin-block-end: 30px;
}

.contact-card .card-link {
    color: var(--chinese-violet);
    transition: var(--transition-1);
}

.contact-card .card-link:is(:hover, :focus) {
    color: var(--old-rose);
}

.social-list-title {
    font-size: var(--fs-6);
    font-weight: var(--fw-700);
    margin-block-end: 15px;
}

.social-list {
    display: flex;
    gap: 10px;
}

.social-link {
    background-color: var(--old-rose);
    color: var(--white);
    font-size: 20px;
    padding: 5px;
    box-shadow: var(--shadow-3);
    transition: var(--transition-1);
}

.social-link:is(:hover, :focus) {
    background-color: var(--chinese-violet);
    box-shadow: none;
}





/* FOOTER */

.footer {
    background-color: var(--seashell);
    text-align: center;
}

.footer-top {
    padding-block: 50px;
    border-block-end: 1px solid var(--chinese-violet_30);
}

.footer .logo {
    margin-block-end: 15px;
}

.footer-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    column-gap: 20px;
}

.footer-link {
    color: var(--charcoal);
    transition: var(--transition-1);
}

.footer-link:is(:hover, :focus) {
    color: var(--old-rose);
}

.footer-bottom {
    padding-block: 20px;
}







/* MEDIA QUERIES */

/* responsive media query for 575px screen */

@media (min-width: 575px) {

    /*CUSTOM PROPERTIES*/

    :root {

        /* typography */
        --fs-2: 4.5rem;
        --fs-3: 3.5rem;
        --fs-5: 2.5rem;

    }


    /* REUSED STYLE */

    .container,
    .header,
    .navbar {
        max-width: 540px;
        width: 100%;
        margin-inline: auto;
    }
    .section-text {
        --fs-7: 2rem;
    }


    /* HEADER */

    .header {
        top: 30px;
    }
    .header.active {
        max-width: unset;
    }
    .navbar {
        left: 50%;
        transform: translateX(-50%);
    }


    /* PREVIEW */

    .tab-card.active {
        height: 50vh;
    }


    /* ACHIEVEMENT */

    .achievement-card{
        display: flex;
    }
    .achievement-card > * {
        width: 50%;
    }
    .achievement-card .card-content {
        padding-block: 30px;
    }
    .achievement-card .card-title {
        margin-block-end: 20px;
    }


    /* CONTACT */

    .social-list-title {
        --fs-6: 2.2rem;
    }
    .social-link{
        font-size: 25px;
        padding: 8px;
    }
}






/* responsive media query for 768px screen */

@media (min-width: 768px) {

    /*CUSTOM PROPERTIES*/

    :root {

        /* typography */
        --fs-2: 4.8rem;

    }


    /* REUSED STYLE */
    .container,
    .header,
    .navbar {
        max-width: 720px;
    }

    .grid-list {
        grid-template-columns: 1fr 1fr;
    }


    /* HERO */
    .hero {
        padding-block-start: calc(var(--section-padding) + 100px);
        text-align: left;
    }
    .hero .container {
        grid-template-columns: 1fr 0.8fr;
        align-items: center;
    }
    .hero .section-subtitle {
        text-align: left;
    }


    /* BENEFITS */
    .benefits :is(.section-title, .section-text) {
        text-align: center;
    }
    .benefits-content {
        grid-column: 1 / 3;
    }


    /* CHAPTERS ,PRICING */
    :is(.pricing) .grid-list li:last-child {
        grid-column: 1 / 3;
        max-width: calc(50% - 12.5px);
        width: 100%;
        margin-inline: auto;
    }


    /* PREVIEW */
    .tab-card.active {
        height: 70vh;
    }


    /*AUTHOR */
    .author .h2 {
        --fs-3: 4.2rem;
    }


    /* ACHIEVEMENTS */
    .achievement-card {
        flex-direction: column;
    }
    .achievement-card > * {
        width: 100%;
    }


    /* CONTACT */
    .contact .wrapper {
        grid-template-columns: 1fr 1fr;
    }
}






/* responsive media query for 992px screen */

@media (min-width: 992px) {

    /*CUSTOM PROPERTIES*/

    :root {

        /* typography */
        --fs-2: 5.4rem;
        --fs-3:  4rem;

    }


    /* REUSED STYLE */
    .container,
    .header,
    .navbar {
        max-width: 960px;
    }

    .grid-list {
        grid-template-columns: repeat(3, 1fr);
    }


    /* HEADER */
    .header .container {
        padding-inline: 20px 30px;
    }
    .nav-toggle-btn{
        display: none;
    }
    .navbar,
    .navbar.active {
        all: unset;
    }
    .navbar-list {
        margin-block-end: 0;
        display: flex;
        gap: 30px;
    }


    /* BENEFITS */
    .benefits .grid-list {
        grid-template-columns: repeat(4, 1fr);
        text-align: center;
    }
    .benefits-content {
        max-width: 80%;
    }


    /* CHAPTERS, PRICING */
    :is(.chapters,.pricing) .grid-list li:last-child {
        all: unset;
    }


    /* PREVIEW */
    .tab-list {
        flex-direction: row;
        gap: 20px;
    }
    .tab-text {
        text-orientation: upright;
        white-space: nowrap;
        writing-mode: vertical-lr;
    }
    .tab-card {
        height: 70vh;
        max-width: 60px; 
    }
    .tab-card.active {
        max-width: 650px;
    }


    /*AUTHOR */
    .author .container {
        grid-template-columns: 0.6fr 1fr;
        gap: 0;
    }
    .author-content {  /* comment if she doesn't like the style */
        margin-block-start: 40px;
        margin-inline-start: -30px; 
        padding-block-end: 70px;
    }


    /* ACHIEVEMENTS */
    .achievement .grid-list {
        grid-template-columns: repeat(3, 1fr);
    }
    .achievement-card {
        flex-direction: row;
    }
    .achievement-card > * {
        width: 50%;
    }


    /* CONTACT */
    .contact .wrapper {
        grid-template-columns: 1fr 0.5fr;
    }
    .contact-form {
        padding: 40px;
    }
}






/* responsive media query for 1200px screen */

@media (min-width: 1200px) {

    /*CUSTOM PROPERTIES*/
 
    :root {

        /* typography */
        --fs-2:  6rem;
        --fs-3:  4.5rem;
        --fs-4:  3rem;
        --fs-5:  3rem;

    }


    /* REUSED STYLE */
    .container,
    .header,
    .navbar {
        max-width: 1140px;
    }


    /* PREVIEW */
    .tab-card {
        max-width: 75px; 
    }
    .tab-card.active {
        max-width: 750px;
    }


    /* AUTHOR */
    .author-content {
        padding: 85px 60px 115px;
    }


    /* FOOTER */
    .footer-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .footer .logo {
        margin-block-end: 0;
    }
}