@import url('https://fonts.cdnfonts.com/css/inter');

@layer base {
    :root {
        --primary-color: #fff;
        --secondary-color: #47cb78;
        --accent-color: #2563eb;
        --white: #fff;
        --black: #0f172a;
        --black-2: #1e293b;
        --color-a: #f8fafc;
        --color-b: #e2e8f0;
        --color-c: #f1f5f9;
        --color-d: #cbd5e1;
        --color-e: #f8fafc;
        --header-height: 4.5rem;
        --top-margin: 5rem;
        --pad1: 40px 20px;
        --line: 1.8;
        --shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);
        --shadow2: 0 0 0 4px rgba(37, 99, 235, 0.1);
        --transition: all .3s cubic-bezier(0.4, 0, 0.2, 1)
    }

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

    html {
        scroll-behavior: smooth;
        font-size: 100%
    }

    body {
        font-family: 'Inter', sans-serif;
        background-color: var(--color-e);
        color: var(--black);
        line-height: var(--line);
        width: 100%;
        font-size: 1rem;
        margin: 0
    }

    main {
        width: 100%
    }
}

@layer components {
    .loader {
        position: absolute;
        inset: 0;
        background-color: var(--white);
        display: grid;
        place-items: center;
        z-index: 9999;
        transition: opacity 1s ease-in-out, visibility 0s linear .5s
    }

    .loader.hidden {
        opacity: 0;
        visibility: hidden
    }

    .loader-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem
    }

    .loader-circle {
        width: 3rem;
        height: 3rem;
        border: 4px solid var(--color-b);
        border-top-color: var(--accent-color);
        border-radius: 50%;
        animation: loader-spin 1s linear infinite
    }

    .loader-content span {
        color: var(--black-2);
        font-size: 1rem;
        font-weight: 500
    }

    @keyframes loader-spin {
        to {
            transform: rotate(360deg)
        }
    }

    body.loading {
        overflow: hidden
    }

    .nav-bar {
        background-color: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        width: 100%;
        height: var(--header-height);
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: fixed;
        padding: 1rem 5%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        z-index: 1050;
        top: 0
    }

    .nav-logo .logo {
        font-family: "Libre Bodoni", serif;
        font-weight: 700;
        font-size: 1.5rem;
        color: var(--black);
        text-decoration: none;
        transition: color .3s ease
    }

    .nav-logo .logo:hover {
        color: var(--accent-color)
    }

    .nav-menu {
        display: flex;
        gap: 2rem;
        list-style: none;
        margin: 0;
        padding: 0
    }

    .nav-link {
        color: var(--black);
        text-decoration: none;
        font-size: .95rem;
        font-weight: 500;
        padding: .5rem 0;
        position: relative;
        transition: color .3s ease
    }

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--accent-color);
        transition: width .3s ease
    }

    .nav-link:hover {
        color: var(--accent-color)
    }

    .nav-link:hover::after {
        width: 100%
    }

    .menu-toggle,
    .close-menu {
        display: none;
        font-size: 30px;
        cursor: pointer;
        color: var(--black);
        border: none;
        background-color: transparent;
    }

    .nav-link.active {
        color: var(--accent-color)
    }

    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: var(--accent-color)
    }

    @media screen and (max-width:1000px) {
        .nav-link.active {
            padding-left: 1rem
        }

        .nav-link.active::after {
            width: 4px;
            height: 100%;
            left: 0;
            top: 0
        }

        .nav-links {
            position: absolute;
            top: 0;
            right: -100%;
            height: 100vh;
            width: 250px;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: right .3s ease-in-out;
            padding: 4rem 2rem;
            box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1)
        }

        .nav-menu {
            flex-direction: column;
            gap: 1.5rem
        }

        .nav-link {
            font-size: 1.1rem;
            width: 100%;
            display: block
        }

        .nav-links.active {
            right: 0
        }

        .menu-toggle,
        .close-menu {
            display: block
        }

        .close-menu {
            position: absolute;
            top: 1rem;
            right: 1rem
        }

        .menu-toggle:hover,
        .close-menu:hover {
            color: var(--accent-color)
        }
    }

    .decor {
        padding-bottom: 2px;
        border-bottom: 2px solid var(--accent-color);
        cursor: pointer;
        color: var(--accent-color)
    }

    .highlight {
        padding: .25rem .75rem;
        background-color: var(--secondary-color);
        border-radius: 6px
    }

    #home {
        scroll-margin-top: calc(var(--header-height) + 1rem);
        position: relative;
        height: 100%;
        margin-top: calc(var(--header-height) + 1rem);
        padding: var(--pad1);
        text-align: center;
        align-items: center;
        /* background-image: var(--bg-img); */
        overflow: hidden
    }

    .home-page h1 {
        font-size: clamp(2rem, 5vw, 3rem);
        margin-bottom: 1.25rem;
        color: var(--black-2)
    }

    .home-content {
        font-size: clamp(1rem, 2vw, 1.125rem);
        max-width: 50rem;
        margin: 0 auto 1.875rem;
        color: var(--black);
        /* text-align: center */
    }

    .cta-send,
    .cta-button {
        display: inline-block;
        width: 100%;
        max-width: 500px;
        border-radius: 12px;
        padding: .625rem 1.25rem;
        background-color: var(--accent-color);
        color: var(--white);
        text-decoration: none;
        transition: var(--transition);
        cursor: pointer;
        border: 0;
        box-shadow: var(--shadow2)
    }

    .cta-button:hover,
    .cta-send:hover,
    .cta-button:focus,
    .cta-send:focus {
        background-color: var(--secondary-color);
        transform: translateY(-2px)
    }

    @media(max-width:768px) {
        #home {
            height: auto;
            padding-bottom: 2.5rem
        }
    }

    section {
        padding: clamp(2rem, 6vw, 6rem) clamp(1rem, 5vw, 5%);
        margin: 2rem clamp(1rem, 5vw, 5%);
        scroll-margin-top: var(--top-margin);
        margin: 2rem clamp(1rem, 5vw, 5%);
        background-color: var(--white);
        border: 1px solid var(--color-b);
        border-radius: 1.5rem;
    }

    .section-header h2 {
        color: var(--black);
        text-transform: uppercase;
        margin-bottom: 1.25rem;
        font-size: clamp(1.5rem, 3vw, 2rem)
    }

    .section-header h2 span {
        padding-bottom: 5px
    }

    .sidebar {
        position: absolute;
        top: 50%;
        left: 0;
        transform: translateY(-50%);
        padding: 1.25rem
    }

    .sidebar-content {
        display: flex;
        flex-direction: column;
        border: 1px solid var(--color-d);
        border-radius: 12px;
        background-color: var(--color-c);
        padding: 1.5625rem .9375rem;
        gap: .625rem
    }

    .sidebar-link svg {
        width: 2rem;
        height: 2rem;
        color: var(--accent-color);
        transition: color var(--transition)
    }

    .sidebar-link:hover svg,
    .sidebar-link:focus svg {
        color: var(--secondary-color)
    }

    @media screen and (max-width:1000px) {
        .sidebar {
            display: none
        }
    }

    .skill-container {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        padding: 1.25rem;
        justify-content: center
    }

    .skill {
        background-color: var(--color-c);
        padding: 1.5rem;
        text-align: center;
        flex: 1 1 calc(25% - 30px);
        cursor: pointer;
        transition: var(--transition);
        border-radius: 12px;
        border: 1px solid var(--color-b)
    }

    .skill:hover,
    .skill:focus {
        transform: translateY(-4px);
        box-shadow: var(--shadow);
        border-color: var(--accent-color);
        background-color: var(--white)
    }

    .skill.active {
        border: 1px solid var(--accent-color);
        transform: translateY(-2px)
    }

    .skill h3 {
        margin: 0;
        font-size: .875rem;
        color: var(--black-2);
        font-weight: 600;
        transition: color var(--transition)
    }

    .skill:hover h3,
    .skill:focus h3 {
        color: var(--accent-color)
    }

    @media(max-width:768px) {
        .skill-container {
            padding: 2px;
            border-radius: 8px
        }

        .skill {
            flex: 1 1 calc(50% - 1rem)
        }
    }

    @media(max-width:480px) {
        .skill {
            flex: 1 1 100%
        }
    }

    .education-item,
    .experience-item {
        border-radius: 12px;
        padding: 2rem;
        background-color: var(--color-c);
        border: 1px solid var(--color-b);
        transition: var(--transition);
        margin-bottom: 1.5rem
    }

    .education-item:hover,
    .experience-item:hover,
    .education-item:focus,
    .experience-item:focus {
        transform: translateY(-6px);
        border-color: var(--accent-color);
        background-color: var(--white)
    }

    .row {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem
    }

    .col-lg-3 {
        flex: 1 1 20%;
        min-width: 12rem
    }

    .col-lg-9 {
        flex: 3 1 60%;
        min-width: 18rem
    }

    @media(max-width:768px) {

        .col-lg-3,
        .col-lg-9 {
            flex: 1 1 100%
        }
    }

    @media(max-width:768px) {
        .row {
            flex-direction: column
        }

        section {
            margin: 1rem;
            padding: 2rem;
            border-radius: 16px
        }
    }

    #contact {
        background-color: var(--color-c);
        margin-bottom: var(--header-height)
    }

    .contact-content {
        display: flex;
        flex-wrap: wrap;
        gap: 40px;
        margin-top: 20px
    }

    .contact-form {
        flex: 1 1 60%
    }

    .contact-form .form-group {
        margin-bottom: 1.25rem
    }

    .contact-form input,
    .contact-form textarea {
        width: 100%;
        padding: 1rem;
        border-radius: 12px;
        border: 1px solid var(--color-b);
        font-size: 1rem;
        font-family: 'Inter', sans-serif;
        background-color: var(--color-c);
        color: var(--black);
        transition: var(--transition);
        caret-color: var(--accent-color)
    }

    .contact-form textarea {
        resize: vertical
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
        outline: 0;
        background-color: var(--white);
        border-color: var(--accent-color);
        box-shadow: var(--shadow2)
    }

    .contact-form button {
        width: 100%;
        padding: 1rem;
        background-color: var(--accent-color);
        border-radius: 12px;
        font-size: 16px;
        cursor: pointer;
        transition: var(--transition)
    }

    .contact-form button:hover {
        background-color: var(--secondary-color);
        transform: translateY(-2px)
    }

    .contact-info {
        flex: 1 1 35%;
        background-color: var(--color-c);
        padding: 2rem;
        border-radius: 12px;
        border: 1px solid var(--color-b)
    }

    .contact-info h3 {
        margin-bottom: 20px;
        color: var(--black-2)
    }


    .contact-list {
        list-style: none;
        padding: 0;
    }

    .contact-item {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding-bottom: 1.3rem;
        font-style: italic;
    }

    .contact-item i {
        font-size: 1.4rem;
        color: var(--accent-color);
    }

    .contact-item a {
        text-decoration: none;
        color: inherit;
        transition: var(--transition);
        text-underline-offset: 5px;
    }

    .contact-item a:hover,
    .contact-item a:focus {
        text-decoration: underline;
        color: var(--accent-color);
    }

    @media(max-width:768px) {
        .contact-form button {
            width: 100%
        }

        .contact-content {
            flex-direction: column
        }

        .contact-form,
        .contact-info {
            flex: 1 1 100%
        }
    }

    footer {
        background-color: var(--white);
        border-top: 1px solid var(--color-b);
        color: var(--black);
        padding: 4rem 5% 2rem;
        text-align: center
    }

    .footer-content {
        display: grid;
        gap: 1.25rem;
        place-items: center
    }

    .copyright p {
        font-size: .875rem;
        color: var(--color-d)
    }

    .developer-link {
        color: var(--accent-color);
        text-decoration: none;
        font-weight: 600;
        font-size: 16.5px;
        transition: color var(--transition)
    }

    .developer-link:hover,
    .developer-link:focus {
        text-decoration: underline;
        text-underline-offset: 5px;
        color: var(--secondary-color)
    }

    .back-to-top-button {
        width: 3.125rem;
        height: 3.125rem;
        border-radius: 50%;
        background-color: var(--accent-color);
        border: 0;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow2);
        cursor: pointer;
        transition: var(--transition);
        overflow: hidden;
        position: relative
    }

    .svgIcon {
        width: .75rem;
        transition: var(--transition)
    }

    .svgIcon path {
        fill: var(--white)
    }

    .back-to-top-button:hover,
    .back-to-top-button:focus {
        width: 140px;
        border-radius: 50px;
        transition-duration: .3s;
        background-color: var(--accent-color);
        align-items: center
    }

    .back-to-top-button:hover .svgIcon,
    .back-to-top-button:focus .svgIcon {
        width: 20px;
        transition-duration: 1s ease;
        transform: translateY(-200%)
    }

    .back-to-top-button::before {
        position: absolute;
        bottom: -20px;
        content: "Back to Top";
        transition: var(--transition);
        color: var(--color-a);
        transition-duration: .3s;
        font-size: 0
    }

    .back-to-top-button:hover::before,
    .back-to-top-button:focus::before {
        font-size: .8125rem;
        opacity: 1;
        bottom: unset;
        transition-duration: .3s
    }
}