/* === GOOGLE FONTS === */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

/* === VARIABLES CSS === */
:root {
    --header-height: 3rem;

    /* Colors */
    --hue-color: 250;
    /* Purple/Blue base */
    --first-color: hsl(var(--hue-color), 69%, 61%);
    --first-color-second: hsl(var(--hue-color), 69%, 61%);
    --first-color-alt: hsl(var(--hue-color), 57%, 53%);
    --first-color-lighter: hsl(var(--hue-color), 92%, 85%);
    --title-color: hsl(var(--hue-color), 8%, 95%);
    --text-color: hsl(var(--hue-color), 8%, 75%);
    --text-color-light: hsl(var(--hue-color), 8%, 65%);
    --input-color: hsl(var(--hue-color), 29%, 16%);
    --body-color: hsl(var(--hue-color), 28%, 12%);
    --container-color: hsl(var(--hue-color), 29%, 16%);
    --scroll-bar-color: hsl(var(--hue-color), 12%, 48%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 36%);
    --highlight_color: #00f2fe;
    /* Cyan accent */

    /* Font and Typography */
    --body-font: 'Outfit', sans-serif;
    --big-font-size: 2rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;

    /* Font weight */
    --font-medium: 500;
    --font-semi-bold: 600;

    /* Margins */
    --mb-0-25: .25rem;
    --mb-0-5: .5rem;
    --mb-0-75: .75rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;

    /* Z-index */
    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;
}

/* Response Typography */
@media screen and (min-width: 968px) {
    :root {
        --big-font-size: 3rem;
        --h1-font-size: 2.25rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.25rem;
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
        --smaller-font-size: .813rem;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0 0 var(--header-height) 0;
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
}

h1,
h2,
h3,
h4 {
    color: var(--title-color);
    font-weight: var(--font-semi-bold);
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

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

/* === REUSABLE CSS CLASSES === */
.section {
    padding: 2rem 0 4rem;
}

.section__title {
    font-size: var(--h1-font-size);
    color: var(--title-color);
}

.section__subtitle {
    display: block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-3);
}

.section__title,
.section__subtitle {
    text-align: center;
}

/* === LAYOUT === */
.container {
    max-width: 768px;
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.header {
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: var(--z-fixed);
    background-color: var(--body-color);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* === NAV === */
.nav {
    max-width: 968px;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo,
.nav__toggle {
    color: var(--title-color);
    font-weight: var(--font-medium);
}

.nav__logo {
    display: flex;
    align-items: center;
    column-gap: .5rem;
}

.nav__logo-text {
    font-weight: var(--font-semi-bold);
    color: var(--title-color);
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    /* Better readability on glass */
}

.nav__logo:hover {
    color: var(--first-color);
}

.nav__logo-img {
    height: 70px;
    /* Adjusted to fit nicely in header */
    width: auto;
    border-radius: 4px;
    /* Optional: smooth corners if square */
}

.nav__toggle {
    font-size: 1.1rem;
    cursor: pointer;
}

.nav__toggle:hover {
    color: var(--first-color);
}

@media screen and (max-width: 767px) {
    .nav__menu {
        position: fixed;
        bottom: -100%;
        left: 0;
        width: 100%;
        background-color: var(--body-color);
        padding: 2rem 1.5rem 4rem;
        box-shadow: 0 -1px 4px rgba(0, 0, 0, .15);
        border-radius: 1.5rem 1.5rem 0 0;
        transition: .3s;
    }
}

.nav__list {
    grid-template-columns: repeat(2, 1fr);
    /* Reduced for small screens */
    gap: 2rem;
}

.nav__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
}

.nav__link:hover {
    color: var(--first-color);
}

.nav__close {
    position: absolute;
    right: 1.3rem;
    bottom: .5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--first-color);
}

.nav__close:hover {
    color: var(--first-color-alt);
}

/* Show Menu */
.show-menu {
    bottom: 0;
}

/* Active link */
.active-link {
    color: var(--first-color);
}

.highlight {
    color: var(--first-color);
}

/* === HERO === */
.hero__container {
    gap: 1rem;
}

.hero__content {
    grid-column: 1 / -1;
}

.hero__title {
    font-size: var(--big-font-size);
    margin-bottom: var(--mb-0-5);
}

.hero__description {
    margin-bottom: var(--mb-2);
}

.highlight-text {
    color: var(--highlight_color);
    font-style: italic;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
}

.button {
    display: inline-block;
    background-color: var(--first-color);
    color: #fff;
    padding: 1rem;
    border-radius: .5rem;
    font-weight: var(--font-medium);
    transition: .3s;
}

.button:hover {
    background-color: var(--first-color-alt);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .3);
}

.button__icon {
    font-size: 1.25rem;
    margin-left: var(--mb-0-5);
    transition: .3s;
}

.button--flex {
    display: inline-flex;
    align-items: center;
}

.hero__img-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero__img {
    width: 250px;
    border-radius: 1.5rem;
    justify-self: center;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* === SERVICES section (Glassmorphism) === */
.services__container {
    gap: 1.5rem;
    grid-template-columns: repeat(2, 1fr);
}

.services__content {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    padding: 3.5rem .5rem 1.25rem 1.5rem;
    border-radius: .85rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .15);
    transition: .3s;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
}

.services__content:hover {
    box-shadow: 0 8px 32px 0 rgba(77, 86, 255, 0.15);
    transform: translateY(-5px);
    border-color: var(--first-color);
}

.services__icon {
    display: block;
    font-size: 1.5rem;
    color: var(--first-color);
    margin-bottom: var(--mb-1);
}

.services__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
    font-weight: var(--font-medium);
}

.services__button {
    cursor: pointer;
    font-size: var(--small-font-size);
    display: inline-flex;
    align-items: center;
    padding: .25rem 0 .25rem .25rem;
    color: var(--first-color);
    transition: .3s;
}

.services__button:hover .services__button-icon {
    transform: translateX(.25rem);
}

.services__button-icon {
    font-size: 1rem;
    margin-left: var(--mb-0-25);
    transition: .3s;
}

/* Services Modal */
.services__modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, .5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: .3s;
    backdrop-filter: blur(4px);
}

.services__modal-content {
    position: relative;
    background-color: var(--container-color);
    padding: 1.5rem;
    border-radius: .5rem;
    width: 450px;
    /* Max width */
    max-width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.services__modal-services {
    row-gap: 1rem;
}

.services__modal-service {
    display: flex;
}

.services__modal-title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-1-5);
}

.services__modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--first-color);
    cursor: pointer;
}

.services__modal-icon {
    color: var(--first-color);
    margin-right: var(--mb-0-25);
}

/* Active Modal */
.active-modal {
    opacity: 1;
    visibility: visible;
}

/* === ABOUT === */
.about {
    background-color: var(--container-color);
    width: 100%;
}

.about__img {
    width: 200px;
    border-radius: .5rem;
    justify-self: center;
    align-self: center;
}

.about__description {
    text-align: center;
    margin-bottom: var(--mb-2-5);
}

.about__info {
    display: flex;
    justify-content: space-evenly;
    margin-bottom: var(--mb-2-5);
}

.about__info-title {
    font-size: var(--h2-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--title-color);
    display: block;
    text-align: center;
}

.about__info-name {
    font-size: var(--smaller-font-size);
    display: block;
    text-align: center;
}

/* === CONTACT === */
.contact__container {
    row-gap: 3rem;
}

.contact__information {
    display: flex;
    margin-bottom: var(--mb-2);
}

.contact__icon {
    font-size: 2rem;
    color: var(--first-color);
    margin-right: var(--mb-0-75);
}

.contact__title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
}

.contact__subtitle {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

.contact__content {
    background-color: var(--input-color);
    border-radius: .5rem;
    padding: .75rem 1rem .25rem;
}

.contact__label {
    font-size: var(--smaller-font-size);
    color: var(--title-color);
}

.contact__input {
    width: 100%;
    background-color: var(--input-color);
    color: var(--text-color);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    border: none;
    outline: none;
    padding: .25rem .5rem .5rem 0;
}

/* === FOOTER === */
.footer {
    padding-top: 2rem;
}

.footer__container {
    row-gap: 3.5rem;
}

.footer__bg {
    background-color: var(--first-color-second);
    padding: 2rem 0 3rem;
}

.footer__title {
    font-size: var(--h1-font-size);
    margin-bottom: var(--mb-0-25);
}

.footer__subtitle {
    font-size: var(--small-font-size);
}

.footer__links {
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
}

.footer__link:hover {
    color: var(--first-color-lighter);
}

.footer__socials {
    display: flex;
    column-gap: 1.5rem;
}

.footer__social {
    font-size: 1.25rem;
    margin-right: var(--mb-1-5);
}

.footer__social:hover {
    color: var(--first-color-lighter);
}

.footer__copy {
    font-size: var(--smaller-font-size);
    text-align: center;
    color: var(--text-color-light);
    margin-top: var(--mb-3);
}

.footer__title,
.footer__subtitle,
.footer__link,
.footer__social {
    color: #fff;
}

/* === SCROLL UP === */
.scrollup {
    position: fixed;
    right: 1rem;
    bottom: -20%;
    background-color: var(--first-color);
    opacity: .8;
    padding: 0 .3rem;
    border-radius: .4rem;
    z-index: var(--z-tooltip);
    transition: .4s;
}

.scrollup:hover {
    background-color: var(--first-color-alt);
}

.scrollup__icon {
    font-size: 1.5rem;
    color: #fff;
}

.show-scroll {
    bottom: 5rem;
}

/* === MEDIA QUERIES === */
/* Small devices */
@media screen and (max-width: 350px) {
    .container {
        margin-left: var(--mb-1);
        margin-right: var(--mb-1);
    }

    .nav__menu {
        padding: 2rem 0.25rem 4rem;
    }

    .nav__list {
        column-gap: 0;
    }

    .services__container {
        grid-template-columns: max-content;
        justify-content: center;
    }

    .services__content {
        padding-right: 3.5rem;
    }

    .services__modal {
        padding: 0 .5rem;
    }
}

/* Medium devices */
@media screen and (min-width: 568px) {

    .contact__container,
    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }

    .services__container {
        grid-template-columns: repeat(2, 232px);
        justify-content: center;
    }
}

@media screen and (min-width: 768px) {
    .container {
        margin-left: auto;
        margin-right: auto;
    }

    body {
        margin: 0;
    }

    .section {
        padding: 6rem 0 2rem;
    }

    .section__subtitle {
        margin-bottom: 4rem;
    }

    .header {
        top: 0;
        bottom: initial;
    }

    .header,
    .main,
    .footer__container {
        padding: 0 1rem;
    }

    .nav {
        height: calc(var(--header-height) + 1.5rem);
        column-gap: 1rem;
    }

    .nav__icon,
    .nav__close,
    .nav__toggle {
        display: none;
    }

    .nav__list {
        display: flex;
        column-gap: 2rem;
    }

    .nav__menu {
        margin-left: auto;
    }

    .hero__container {
        grid-template-columns: repeat(2, 1fr);
        align-items: center;
        gap: 2rem;
    }

    .hero__content {
        grid-column: initial;
    }

    .hero__img {
        width: 350px;
    }

    .about__container {
        column-gap: 5rem;
    }

    .about__img {
        width: 350px;
    }

    .about__description {
        text-align: center;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .about__info {
        justify-content: center;
        gap: 4rem;
    }

    .about__buttons {
        justify-content: initial;
    }

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

    .footer__bg {
        padding: 3rem 0 3.5rem;
    }

    .footer__links {
        flex-direction: row;
        column-gap: 2rem;
    }

    .footer__socials {
        justify-self: flex-end;
    }

    .footer__copy {
        margin-top: 4.5rem;
    }
}

/* Large devices */
@media screen and (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }

    .services__container {
        grid-template-columns: repeat(3, 300px);
        /* Widen cards or allow auto-fit */
        gap: 3rem;
    }

    .contact__form {
        width: 460px;
    }

    .contact__inputs {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }

    .services__container {
        grid-template-columns: repeat(4, 1fr);
        column-gap: 2rem;
    }
}