html {
    box-sizing: border-box;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

@media (max-width: 600px) {
    html {
        font-size: 13px;
    }
}

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

img {
    display: block;
    max-width: 100%;
    height: auto;
}

@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 100 900;
    font-display: fallback;
    src:
        url('fonts/woff2/Roboto-VariableFont.woff2') format('woff2'),
        url('fonts/ttf/Roboto-VariableFont.ttf') format('truetype-variations');
    font-stretch: normal;
}

@font-face {
    font-family: 'Roboto';
    font-style: italic;
    font-weight: 100 900;
    font-display: fallback;
    src:
        url('fonts/woff2/Roboto-Italic-VariableFont.woff2') format('woff2'),
        url('fonts/ttf/Roboto-Italic-VariableFont.ttf') format('truetype-variations');
    font-stretch: normal;
}

@font-face {
    font-family: 'Roboto Condensed';
    font-style: normal;
    font-weight: 100 900;
    font-display: fallback;
    src:
        url('fonts/woff2/RobotoCondensed-VariableFont.woff2') format('woff2'),
        url('fonts/ttf/RobotoCondensed-Italic-VariableFont.ttf') format('truetype-variations');
    font-stretch: normal;
}

@font-face {
    font-family: 'Roboto Condensed';
    font-style: italic;
    font-weight: 100 900;
    font-display: fallback;
    src:
        url('fonts/woff2/RobotoCondensed-Italic-VariableFont.woff2') format('woff2'),
        url('fonts/ttf/RobotoCondensed-Italic-VariableFont.ttf') format('truetype-variations');
    font-stretch: normal;
}

:root {
    --main-width: 1280px;
    --mobile-width: 900px;

    /* colors */
    --navy-color-1: #233d57;
    --navy-color-2: #0a2a3b;
    --blue-color-1: #6eb3e2;
    --blue-color-2: #3cb4e5;

    --white-color: #fff;
    --fluor-color: #ffff01;

    --grey-color-1: #f6f6f6;
    --grey-color-2: #e5e5e5;
    --grey-color-3: #808080;
    --grey-color-4: #706f6f;

    /* dynamic content colors */
    --yellow-color: #FCBD1B;
    --red-color: #F93549;
    --orange-color: #FF8300;
    --green-color: #00B189;
    --brown-color: #B68150;

    /* paddings */
    --base-padding: 40px;
    --xs-padding: calc(var(--base-padding) * 0.50);
    --s-padding: calc(var(--base-padding) * 0.75);
    --m-padding: calc(var(--base-padding) * 1.5);
    --l-padding: calc(var(--base-padding) * 2);
    --xl-padding: calc(var(--base-padding) * 2.5);
    --xxl-padding: calc(var(--base-padding) * 3.5);
}

@media (max-width: 600px) {
    :root {
        --base-padding: 18px;
    }
}

body {
    font-family: 'Roboto Condensed', sans-serif;
    font-weight: 400;
    /* 16px */
}



.container {
    justify-content: center;
    display: grid;
    grid-template-columns: min(100%, var(--mobile-width));
    grid-template-areas: "main"
        "form"
        "news"
        "footer";

}

.yellow-color {
    background-color: var(--yellow-color);
}

.orange-color {
    background-color: var(--orange-color);
}

.red-color {
    background-color: var(--red-color);
}

.green-color {
    background-color: var(--green-color);
}

.brown-color {
    background-color: var(--brown-color);
}

.font-normal {
    font-family: 'Roboto', sans-serif;
}

.font-light {
    font-weight: 300;
}

.main-content {
    grid-area: main;
}

.form {
    grid-area: form;
}

.news {
    grid-area: news;
}

footer {
    grid-area: footer;
}

.logo {
    padding: var(--base-padding) var(--l-padding) var(--xs-padding) var(--l-padding);
    background-image: var(--header-image-url);
    background-size: cover;
    background-repeat: no-repeat;
    aspect-ratio: 2/1.2;
}

.logo img {
    max-width: 30vw;
}

@media (min-width: 1280px) {
    .container {
        justify-content: inherit;
        grid-template-columns: auto minmax(auto, calc(var(--main-width) / 2)) minmax(auto, calc(var(--main-width) / 2)) auto;

        grid-template-areas:
            ". form main ."
            ". news news ."
            "footer footer footer footer"
        ;
        background-image: var(--header-image-url);
        background-position: left calc(50% - (var(--mobile-width) / 2 - var(--base-padding))) top 0;
        background-size: var(--mobile-width) auto;
        background-repeat: no-repeat;
    }

    .logo {
        padding: var(--base-padding) var(--l-padding) var(--xs-padding) var(--l-padding);
        background: none;
        aspect-ratio: initial;
    }

}

h1 {
    font-size: 2.75rem;
    /* 44px */
    line-height: 1;
}

.main-title {
    padding: var(--base-padding) var(--l-padding);
    background-color: var(--navy-color-1);
    color: var(--white-color);
    font-size: 1.875rem;
    /* 30px */
}

.main-title span {
    color: var(--blue-color-2);
}

.main-intro {
    padding: var(--s-padding) var(--l-padding) var(--l-padding) var(--l-padding);
    font-size: 1.125rem;
    /* 18px */
    color: var(--grey-color-3);
}

article {

    border-left: 1em solid var(--white-color);
    border-right: 1em solid var(--white-color);
}

.article-header {

    padding: var(--base-padding) var(--m-padding);
    color: var(--navy-color-1);
    font-weight: bold;
}

.article-header-data {
    font-size: 1.625rem;
    /* 26px */
}

.article-header-data em,
.article-header-title span {
    color: var(--white-color);
}

h1.article-header-title {
    padding: 0.8em 0 0.4em 0;
}

.article-intro {
    display: flex;
    align-items: start;
    column-gap: var(--s-padding);
    --transparent-height: 28px;
    background: linear-gradient(to bottom, transparent 0%, transparent var(--transparent-height), white var(--transparent-height), white 100%);
    padding: 0 var(--l-padding);
}

.article-intro img {
    max-width: 30vw;
}

.article-intro-text {
    padding-top: var(--l-padding);
    color: var(--blue-color-2);
}

@media (min-width: 900px) {

    article {
        border: none;
    }

}

@media (min-width: 1280px) {
    .article-header {
        padding: var(--base-padding) var(--l-padding);
    }

    .article-intro {
        flex-direction: column;
        --transparent-height: 100px;
    }

    /* Quan NO hi ha una imatge com a primer fill */
    .article-intro:not(:has(> img:first-child)) {
        background: white;
    }
}

.speaker-title {
    font-size: 1.4375rem;
    /* 23px */
    font-style: italic;
}

.speaker-name {
    font-weight: 700;
    font-size: 1.75rem;
    /* 28px */
}

.speaker-cv {
    font-style: italic;
}

.article-content {
    padding: var(--l-padding);
    background-color: var(--white-color);
}

.article-content-text {
    color: var(--navy-color-1);
    padding-top: var(--xs-padding);
}

@media (max-width: 1280px) {
    .article-content-text {
        display: none;
    }
}

.article-content label {
    font-size: 1.4375rem;
    /* 23px */
    color: var(--blue-color-2);
}

#article-content-button:checked+.article-content-text {
    display: block;
}

/* FORMULARIO */

.form {
    margin-bottom: var(--l-padding);
}

@media (min-width: 1280px) {
    .form {
        padding-top: 620px;
        padding-left: var(--xxl-padding);

    }
}

.login {
    padding: var(--base-padding) 0 var(--xs-padding) 0;
    color: var(--grey-color-3);
    text-align: center;
    font-size: 1.25rem;
}

.login a {
    color: var(--navy-color-1);
    font-style: italic;
}

.registration-form {
    padding: var(--base-padding);
    background-color: var(--grey-color-2);
    display: flex;
    flex-direction: column;
    gap: 1.5em
}

.registration-form h2 {
    font-size: 1.875rem;
    /* 30px */
    background-color: var(--blue-color-2);
    align-self: center;
    text-align: center;
    padding: 0.5em 1em;
    border-radius: 0.2em;
    line-height: 1;
    color: var(--navy-color-2);
}

.registration-form h2 span {
    color: var(--white-color);
    display: block;
}

.fields-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.8em;
}

.input-wrapper {
    position: relative;
    display: grid;
    background-color: var(--white-color);
    border-radius: 2em;
    overflow: hidden;
}

.input-wrapper>* {
    grid-area: 1 / 1;
    /* Ambos elementos en la misma celda de grid */
}

.input-wrapper label {
    z-index: 1;
    /* Label detrás */
    padding: 12px;
    color: #666;
    pointer-events: none;
    /* Permite hacer clic a través del label */
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 1.25rem;
    /* 20px */
}

.registration-form label span {
    color: var(--blue-color-1)
        /* Color rojo para el asterisco */
}

.registration-form button[type="submit"] {
    align-self: center;
    font-size: 1.5625rem;
    /* 25px */
    background-color: var(--navy-color-2);
    color: #FFF;
    appearance: none;
    -webkit-appearance: none;
    /* Para navegadores WebKit (Safari, Chrome) */
    -moz-appearance: none;
    border: none;
    padding: 0.5em 2em;
    border-radius: 1em;
    font-family: "Roboto Condensed";
}

.input-wrapper input {
    z-index: 2;
    /* Input encima */
    background-color: transparent;
    border: 1px solid transparent;
    padding: 12px;
    outline: none;
    transition: all 0.3s ease;
    font-size: 1.25rem;
    /* 20px */
}

/* Estados del input */
.input-wrapper input:focus,
.input-wrapper input:not(:placeholder-shown) {
    background-color: white;
}

/* Opcional: Ocultar el label cuando el input tiene valor */
.input-wrapper input:not(:placeholder-shown)+label {
    opacity: 0;
    visibility: hidden;
}

.mandatory-fields {
    color: var(--blue-color-2);
    font-weight: 300;
    font-style: italic;
    font-size: 0.875rem;
    /* 14px */
}

.form-disclaimer {
    font-size: 0.875rem;
    /* 14px */
}

.form-disclaimer input {
    margin-right: 0.4em;
}

.news {
    display: flex;
    flex-direction: column;
    background-color: var(--grey-color-1);
    gap: var(--base-padding);
    background: linear-gradient(to bottom, transparent 0%, transparent var(--base-padding), var(--grey-color-1) var(--base-padding), var(--grey-color-1) 100%);
    margin-bottom: var(--l-padding);
}

@media (min-width: 1280px) {
    .news {
        flex-direction: row;
        padding: var(--xs-padding) var(--l-padding) var(--base-padding) 0;
        background: linear-gradient(to right, transparent 0%, transparent var(--xxl-padding), var(--grey-color-1) var(--xxl-padding), var(--grey-color-1) 100%);
    }
}

.news h2 {
    font-size: 1.5rem;
    /* 24px */
    color: var(--blue-color-1);
    align-self: flex-start;
    padding: var(--s-padding);
    line-height: 1;
    background-color: var(--navy-color-2);
    font-weight: 400;
}

.news h2 span {
    color: var(--white-color);
    display: block;
}

.news-wrapper {
    flex: 1;
    padding: var(--xs-padding) var(--m-padding);

}

.new-item {
    display: grid;
    column-gap: 1em;
    border-bottom: 1px solid var(--grey-color-2);
    padding: var(--xs-padding) 0;
}

@media (min-width: 1280px) {
    .news-wrapper {
        padding: 0;
    }
}

@media (min-width: 800px) {
    .new-item {
        grid-template-columns: 1fr auto;
    }

    .new-item-date,
    .new-item-cat {
        grid-column: span 2;
    }
}

.new-item-date {
    font-size: 1.125rem;
    /* 18px */
    color: var(--grey-color-4);
    font-weight: 700;
}

.new-item-cat {
    font-size: 1.5rem;
    /* 24px */
    font-weight: 500;
    color: var(--blue-color-2)
}

h3.new-item-title {
    font-size: 1.5rem;
    /* 24px */
    color: var(--navy-color-1)
}

.new-item-button {
    color: var(--white-color);
    text-decoration: none;
    background: var(--grey-color-4);
    line-height: 1;
    padding: 0.5em 0.8em;
    border-radius: 2em;
    align-self: flex-start;
    justify-self: flex-end;
    font-size: 1.0625rem;
    /* 17px */
}

.new-item-button:hover {
    background-color: var(--navy-color-2);
}

/* footer */

footer {
    background-color: var(--blue-color-2);
    color: var(--white-color);
    display: flex;
    justify-content: center;
    background: linear-gradient(to bottom, transparent 0%, transparent 200px, var(--blue-color-2) 200px, var(--blue-color-2) 100%)
}

.footer-wrapper {
    max-width: 1150px;
}

.footer-content {
    display: grid;
    grid-template-columns: min(35vw, 185px) 1fr;
    column-gap: var(--xs-padding);
}

.contact {
    grid-column: span 2;
    justify-items: center;
    text-align: center;
    font-size: 1.75rem;
    /* 28px */
    position: relative;
    justify-self: center;
    padding: 0.5em 0.2em 1em 0;
}

.contact a {
    color: var(--navy-color-1);
    text-decoration: none;
}

.offer {
    background-color: var(--fluor-color);
    aspect-ratio: 1/1;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
    /* 20px */
    color: var(--blue-color-1);
    font-weight: 500;
    text-align: center;
    margin-top: -4em;
}

.offer h4 {
    font-size: 1.5rem;
    /* 30px */
    color: var(--navy-color-1);
    line-height: 1;
}

@media (min-width: 1280px) {
    .offer h4 {
        font-size: 1.875rem;
    }
}


.tariffs {
    font-size: 1.25rem;
    /* 20px */
    align-self: center;
    max-width: 50vw;
    justify-self: center;
    padding: 2em 0;
}

.tariffs small {
    display: block;
    margin-top: 3em;
    font-size: 0.7em;
}

.contact h4 {
    font-size: 2rem;
    /* 32px */
    font-weight: 400;
}

.contact a.phone {
    color: var(--navy-color-1);
    font-size: 4.25rem;
    /* 68px */
    font-weight: 700;
}

.contact:after {
    content: "";
    position: absolute;
    width: 90px;
    aspect-ratio: 1/1;
    background: url(/img/icon-contact.png) bottom center no-repeat;
    background-size: contain;
    display: block;
    left: 0;
    bottom: 100%;
}


.footer-image-desktop {
    box-shadow: 4px 4px 0.8em rgba(0, 0, 0, 0.6)
}

@media (max-width: 700px) {
    .footer-image-desktop {
        display: none;
    }
}

@media (min-width: 701px) {
    .footer-content {
        grid-template-columns: min(35vw, 185px) 1fr auto;
        column-gap: var(--xs-padding);
    }

    .tariffs {
        justify-self: flex-start;
    }

    .contact {
        grid-column: span 1;
    }

    .footer-image-mobile {
        display: none;
    }

    .offer {
        margin-top: -1em;
    }

    .contact a.mail {
        display: block;
    }

    .contact:after {
        width: 70px;
        display: block;
        right: 0;
        bottom: 0;
        left: auto;
        top: auto
    }
}

.thankyou-logo {
    display: flex;
    justify-content: center;
    padding-bottom: var(--xs-padding);
}

.thankyou-container {
    margin: 0;
    padding: 0 var(--s-padding);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.thankyou-container main {
    max-width: 500px;
    width: 100%;
    padding: var(--m-padding);
    background-color: var(--grey-color-2);
}

.thankyou-text {
    font-size: 16px;
}

.thankyou-text h1 {
    color: var(--navy-color-1);
    margin-bottom: var(--xs-padding);
}