:root {
    --color-primary: #3E70DD;
    --color-primary-strong: #3767D2;
    --color-secondary: #2B2D31;
    --background-color: #F8F8FF;
    --subtitle: #656565;
    --space-short: 1.5rem;
    --space-medium: 4.5rem;
}

html {
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--background-color);
}

/* text styles */
.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--color-secondary);
}

.subtitle {
    color: var(--subtitle);
    margin: 0 0 1.5rem;
}

/* defaults */
.container {
    padding: 1em 1em;
    max-width: 60rem;
    margin: 0 auto;
    /* border: 2px solid red; */
}

/* navbar */
.navbar-container {
    padding: 1.5rem;
    display: flex;
    justify-content: center;
    font-size: 1rem;
}

.navbar-menu {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.navbar-container a {
    color: var(--color-secondary);
    text-decoration: none;
}

.navbar-container a:hover {
    color: var(--color-primary);
}

/* header */
.header-container {
    display: flex;
    flex-direction: column;
    padding: 18rem 0;
    text-align: center;
}

.header-container h1 {
    font-size: 3.5rem;
}

.header-container h2 {
    align-self: flex-start;
    margin: -15px auto 0;
    font-size: 2rem;
}

.scroll-element {
    display: block;
    text-align: center;
    text-decoration: none;
    color: var(--color-secondary);
}

/* buttons */
.button-primary {
    background-color: var(--color-primary-strong);
    color: var(--background-color);
    font-size: 1.2rem;
    padding: 0.25rem 1rem;
    border-radius: 30px;
    text-decoration: none;
}

.space-button:hover {
    transform: scale(1.10);
    transition: all 200ms ease-in-out;
}

.button-submit {
    cursor: pointer;
    border: none;
}

.space-button {
    margin: var(--space-short) 0 0.75rem;
}

/* icons */
.fa-envelope {
    color: var(--background-color);
}

.fa-linkedin-in {
    color: var(--background-color)
}

.fa-github-alt {
    color: var(--background-color);
}

.fa-arrow-down {
    color: var(--color-primary);
}

/* circle links */
.circle {
    background-color: var(--color-secondary);
    border-radius: 100%;
    padding: 0.4rem;
}

.circle a {
    gap: var(--space-short);
}

.circle-links {
    display: flex;
    justify-content: center;
    text-decoration: none;
    gap: 0.5rem;
}

/* about me */
.about-container {
    margin-top: var(--space-medium);
    text-align: center;
    align-self: flex-start;
}

.presentation {
    display: flex;
    font-size: 20px;
    text-align: start;
    gap: 2.5rem;
}

.profile {
    width: 40%;
    max-width: 340px;
    height: auto;
    border-radius: 11%;
}

.xp-badges {
    width: 95%;
    height: auto;
}

.presentation-about {
    margin-top: var(--space-short);
}

.link-presentation {
    color: var(--color-primary);
    text-decoration: none;
}

.presentation-xp {
    margin: 0.5rem 0;
    color: var(--color-primary);
}

.title {
    color: var(--color-secondary);
}

/* projects */
.projects-container {
    margin-top: var(--space-medium);
    text-align: center;
}

.projects-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-short);
    margin-top: var(--space-short);
}

.card-project {
    display: flex;
    flex-direction: column;
    background-color: #fff;
    border: 1px solid rgba(43, 45, 49, 0.08);
    border-radius: 12px;
    overflow: hidden;
    text-align: start;
    box-shadow: 0 1px 3px rgba(43, 45, 49, 0.06);
}

.card-project:hover {
    box-shadow: 0 12px 28px rgba(43, 45, 49, 0.12);
    border-color: rgba(62, 112, 221, 0.35);
}

.project-thumb {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--color-secondary);
    border-bottom: 1px solid rgba(43, 45, 49, 0.08);
}

.project-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* screenshots: keep the page header visible */
    object-position: top;
    transition: transform 400ms ease;
}

.card-project:hover .project-thumb img {
    transform: scale(1.05);
}

.project-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.4rem;
    padding: 1.1rem 1.25rem 1.25rem;
    font-family: "Poppins", sans-serif;
}

.project-title {
    color: var(--color-secondary);
    font-size: 1.15rem;
    font-weight: 700;
}

.project-description {
    color: var(--subtitle);
    font-size: 0.9rem;
    font-weight: 400;
    flex: 1;
}

.project-link {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.6rem;
    padding: 0.35rem 1rem;
    border: 2px solid var(--color-primary);
    border-radius: 30px;
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 200ms ease, color 200ms ease;
}

.project-link:hover,
.project-link:focus-visible {
    background-color: var(--color-primary);
    color: #fff;
}

/* project call to action */
.project-cta {
    margin-top: var(--space-medium);
    padding: 2.5rem 1.5rem;
    background-color: var(--color-secondary);
    border-radius: 12px;
    font-family: "Poppins", sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.project-cta-title {
    color: var(--background-color);
    font-size: 1.6rem;
    font-weight: 700;
}

.project-cta-text {
    max-width: 32rem;
    color: rgba(248, 248, 255, 0.75);
    font-size: 1rem;
}

.project-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0.75rem;
    padding: 0.7rem 1.75rem;
    border-radius: 30px;
    background-color: var(--color-primary);
    color: #fff;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 200ms ease, background-color 200ms ease;
}

.project-cta-button:hover,
.project-cta-button:focus-visible {
    background-color: var(--color-primary-strong);
    transform: translateY(-2px);
}

/* contact */
.contact-container {
    margin-top: var(--space-medium);
    text-align: center;
}

.form-container {
    width: 100%;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.form-elements {
    text-align: start;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.25rem;
}

.form-row input,
.form-row textarea {
    font-family: "Poppins", sans-serif;
    font-weight: 500;
    /* iOS Safari zooms into fields with font-size below 16px */
    font-size: 16px;
}

.form-row input {
    border-radius: 6px;
    background-color: var(--background-color);
    border: 2px solid var(--color-secondary);
    /* width: 13rem; removed for responsiveness */
    height: 1.8rem;
}

.form-elements textarea {
    border-radius: 6px;
    border: 2px solid var(--color-secondary);
    background-color: var(--background-color);
    min-height: 5rem;
    max-height: 10rem;
    resize: vertical;

}

/* Responsive form adjustments */
.form-elements {
    width: 100%;
    /* Default to full width */
}

.form-2-column .form-elements {
    width: calc(50% - 0.4rem);
    /* 2 columns accounting for gap */
}

.form-row input,
.form-elements textarea {
    width: 100%;
    /* Fill container */
    box-sizing: border-box;
    /* Include padding/borders in width */
    padding: 0 0.5rem;
}

#project {
    /* input */
    width: 27rem;
}

.button-div {
    display: flex;
    justify-content: flex-end;
    width: 100%;
}

.captcha-submit {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: 100%;
}

.cf-turnstile {
    /* iframe is inline by default and leaves a baseline gap below it */
    display: flex;
}

.divide-columns {
    display: flex;
}

.additional-info {
    padding: 5rem;
    display: flex;
    flex-direction: column;
    gap: var(--space-short) 0;
}

.additional-info .fa-envelope,
.additional-info .fa-location-dot {
    color: var(--color-primary);
    font-size: 2rem;
    margin: 0.5rem 0;
}

.additional-info .fa-location-dot {
    margin-left: 0.25rem;
    margin-right: 0.25rem;
}

.info-title {
    color: var(--color-secondary);
}

.info-desc {
    color: var(--subtitle);
}

.card-info {
    display: flex;
}

.information {
    margin: 0 0.5rem;
    text-align: start;
}

.success-message {
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 6px;
    padding: 0.5rem 5.15rem;
}

/* footer */
footer {
    background-color: var(--color-secondary);
    margin: var(--space-short) 0 0;
}

.footer-container {
    padding: 2rem 1em;
    max-width: 60rem;
    margin: 0 auto;
    color: var(--background-color);
    display: flex;
    justify-content: space-between;
}

.fa-instagram,
.fa-github-alt,
.fa-linkedin-in {
    margin: 0 0.2rem;
    font-size: 1.5rem;
}

.footer-container a {
    color: var(--background-color);
    text-decoration: none;
}

/* fonts */
.poppins-bold {
    font-family: "Poppins", sans-serif;
    font-weight: 700;
    font-size: normal;
}

.poppins-semibold {
    font-family: "Poppins", sans-serif;
    font-weight: 600;
    font-size: normal;
}

.poppins-medium {
    font-family: "Poppins", sans-serif;
    font-weight: 500;
    font-size: normal;
}

.poppins-regular {
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-size: normal;
}

div.project-area {
    object-fit: cover;
}

.swiper {
    margin: var(--space-short) 0 0;
}

/* media queries */
/* small screens */
/* laptop & intermediate screens (covers 125% zoom on 1080p) */
@media(max-width: 1600px) {
    .header-container {
        padding: 12rem 0;
    }

    .navbar-container {
        padding: 1rem 1.5rem;
    }
}

@media(max-width: 900px) {
    .projects-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* mobile */
@media(max-width: 600px) {
    .about-container {
        margin-top: var(--space-short);
    }

    .container {
        padding: 0.1rem 1rem;
    }

    .header-container h1 {
        font-size: 2.2rem;
    }

    .header-container h2 {
        font-size: 1.8rem;
    }

    .button-primary {
        display: inline-block;
        font-size: 1.1rem;
        padding: 0.65rem 1.75rem;
    }

    /* submit: full width and centered under the captcha */
    .button-div {
        justify-content: center;
    }

    .button-submit {
        width: 100%;
    }

    .cf-turnstile {
        justify-content: center;
    }

    .presentation {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-short);
    }

    .presentation-about {
        margin: 0;
        font-size: 16px;
        text-align: justify;
    }

    .profile {
        width: 60%;
    }

    .projects {
        flex-direction: column;
        gap: var(--space-short);
        align-items: center;
    }

    .form-elements,
    .form-2-column .form-elements {
        width: 100%;
    }

    .form-row input,
    .form-row textarea {
        width: 100%;
        font-size: 18px;
    }

    .form-row input {
        height: 2.5rem;
    }

    #project {
        /* input */
        width: auto;
    }

    .divide-columns {
        display: flex;
        flex-direction: column;
    }

    .additional-info {
        margin-top: var(--space-short);
        padding: 0;
    }

    footer {
        font-size: 14px;
        text-align: center;
    }

    .footer-container {
        align-items: center;
        flex-direction: column;
        gap: 0.5rem;
    }

    .projects-cards {
        grid-template-columns: 1fr;
    }

    .project-cta {
        padding: 2rem 1.25rem;
    }

    .project-cta-title {
        font-size: 1.35rem;
    }

    .project-cta-button {
        width: 100%;
        justify-content: center;
        box-sizing: border-box;
    }
}