:root {
    --white: #FFFFFF;
    --white_a8: rgba(255, 255, 255, 0.08);
    --white_a12: rgba(255, 255, 255, 0.12);
    --cultured: #C8D9E6;
    --snow: #C8D9E6;
    --manatee: #C8D9E6;
    --black-coral: #2F4156;
    --cadet-blue-crayola_a20: rgba(200, 217, 230, 0.2);
    --cinnamon-satin: #b09e93;
    --raisin-black: #2F4156;
    --raisin-black_a6: rgba(47, 65, 86, 0.06);
    --gunmetal: #567C8D;
    --charcoal: #2F4156;
    --ff-manrope: 'Manrope', sans-serif;
    --fs-1: calc(2.7rem + 1.38vw);
    --fs-2: calc(2.6rem + .66vw);
    --fs-3: calc(2.6rem + .24vw);
    --fs-4: 1.9rem;
    --fs-5: 1.8rem;
    --fs-6: 1.7rem;
    --fs-7: 1.5rem;
    --fs-8: 1.4rem;
    --fw-700: 700;
    --section-padding: 90px;
    --shadow-1: 0 0 20px hsla(216, 14%, 14%, 0.05);
    --shadow-2: 0 4px 28px hsla(216, 14%, 14%, 0.07);
    --radius-circle: 50%;
    --radius-pill: 100px;
    --radius-8: 8px;
    --radius-6: 6px;
    --transition-1: 0.25s ease;
    --transition-2: 0.5s ease;
    --transition-3: 0.3s ease-in-out;
}

/* Dark mode color variables */
body.dark-mode {
    --white: #1a1a1a;
    --cultured: #2d3748;
    --snow: #2d3748;
    --manatee: #4a5568;
    --black-coral: #e2e8f0;
    --cadet-blue-crayola_a20: rgba(74, 85, 104, 0.2);
    --raisin-black: #e2e8f0;
    --raisin-black_a6: rgba(226, 232, 240, 0.06);
    --gunmetal: #a0aec0;
    --charcoal: #e2e8f0;
    --shadow-1: 0 0 20px hsla(0, 0%, 0%, 0.3);
    --shadow-2: 0 4px 28px hsla(0, 0%, 0%, 0.4);
}

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

li { list-style: none; }

a,
img,
span,
button,
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; }

ion-icon { pointer-events: none; }

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

body {
    background-color: var(--white);
    color: var(--black-coral);
    font-size: 1.6rem;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-2), color var(--transition-2);
}

body.nav-active { overflow: hidden; }

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

::-webkit-scrollbar-track {
    background-color: var(--white);
    transition: background-color var(--transition-2);
}

::-webkit-scrollbar-thumb {
    background-color: var(--manatee);
    transition: background-color var(--transition-2);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--gunmetal);
}

.container { padding-inline: 16px; }

.social-list {
    display: flex;
    align-items: center;
    gap: 12px;
}

.social-link {
    font-size: 3rem;
    transition: var(--transition-1);
}

.social-link:is(:hover, :focus-visible) { transform: translateY(-3px); }

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

.w-100 { width: 100%; }

.h1,
.h2,
.h3,
.h4 {
    color: var(--charcoal);
    line-height: 1.3;
    transition: color var(--transition-2);
}

.h1 { font-size: var(--fs-1); }

.h2 { font-size: var(--fs-2); }

.h3 { font-size: var(--fs-3); }

.h4 { font-size: var(--fs-4); }

.btn {
    color: var(--cinnamon-satin);
    font-size: var(--fs-6);
    font-weight: var(--fw-700);
    border: 2px solid var(--cinnamon-satin);
    max-width: max-content;
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    transition: var(--transition-1);
    will-change: transform;
}

.btn:is(:hover, :focus-visible) { transform: translateY(-4px); }

.btn-primary,
.btn-secondary:is(:hover, :focus-visible) {
    background-color: var(--cinnamon-satin);
    color: var(--white);
}

.section-text {
    font-size: var(--fs-5);
    transition: color var(--transition-2);
}

.section-title { margin-block-end: 16px; }

.grid-list {
    display: flex;
    gap: 30px;
}

[data-reveal] {
    opacity: 0;
    transition: 0.75s ease;
}

[data-reveal="top"] { transform: translateY(-30px); }

[data-reveal="bottom"] { transform: translateY(30px); }

[data-reveal="left"] { transform: translateX(-30px); }

[data-reveal="right"] { transform: translateX(30px); }

[data-reveal].revealed {
    transform: translate(0);
    opacity: 1;
}

.header {
    position: absolute;
    top: 0;
    left: 0;
    background-color: var(--white);
    width: 100%;
    padding-block: 20px;
    box-shadow: var(--shadow-1);
    z-index: 4;
    transition: background-color var(--transition-2);
}

.header.active {
    position: fixed;
    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;
}

.nav-open-btn {
    font-size: 3.5rem;
    color: var(--gunmetal);
    transition: color var(--transition-2);
}

.navbar {
    position: fixed;
    top: 0;
    left: -300px;
    background-color: var(--raisin-black);
    color: var(--white);
    max-width: 300px;
    width: 100%;
    height: 100vh;
    padding: 30px;
    padding-block-end: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    z-index: 2;
    visibility: hidden;
    transition: var(--transition-3);
}

.navbar.active {
    visibility: visible;
    transform: translateX(300px);
}

.navbar-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-close-btn {
    background-color: var(--white_a8);
    color: var(--white);
    font-size: 2rem;
    padding: 6px;
    border-radius: var(--radius-circle);
    transition: var(--transition-1);
}

.nav-close-btn ion-icon { --ionicon-stroke-width: 50px; }

.nav-close-btn:is(:hover, :focus-visible) { background-color: var(--white_a12); }

.navbar-list { margin-block-end: auto; }

.navbar-link {
    font-weight: var(--fw-700);
    padding-block: 6px;
}

.contact-link { transition: var(--transition-1); }

.contact-link:is(:hover, :focus-visible) { color: var(--cinnamon-satin); }

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--raisin-black);
    pointer-events: none;
    opacity: 0;
    transition: var(--transition-1);
}

.overlay.active {
    pointer-events: all;
    opacity: 0.8;
}

.hero {
    padding-block-start: calc(var(--section-padding) + 50px);
    background-color: var(--white);
    transition: background-color var(--transition-2);
}

.hero-banner {
    position: relative;
    max-width: max-content;
    margin-inline: auto;
}

.hero-banner .w-100 {
    mask-image: url("../images/Blob.svg");
    -webkit-mask-image: url("../images/Blog.svg");
    mask-repeat: no-repeat;
    -webkit-mask-repeat: no-repeat;
    mask-position: center;
    -webkit-mask-position: center;
    mask-size: auto;
    -webkit-mask-size: auto;
}

.hero .shape {
    position: absolute;
    bottom: 10%;
    right: 2%;
    filter: drop-shadow(var(--shadow-2));
}

.hero-content { text-align: center; }

.hero .section-text { margin-block: 24px 36px; }

.btn-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.about .wrapper {
    display: grid;
    gap: 50px;
    margin-block-end: 70px;
}

.about-card {
    text-align: center;
    background-color: var(--white);
    transition: background-color var(--transition-2);
}

.about-card .card-icon {
    max-width: max-content;
    margin-inline: auto;
}

.about-card .card-title { margin-block: 16px 10px; }

.footer {
    padding-block: 40px;
    background-color: var(--white);
    height: auto;
    flex-shrink: 0;
    transition: background-color var(--transition-2);
}

.copyright {
    margin-block-end: 12px;
    transition: color var(--transition-2);
}

.footer .social-link {
    color: var(--charcoal);
    transition: color var(--transition-2);
}

@media (min-width: 575px) {
    .container {
        max-width: 540px;
        width: 100%;
        margin-inline: auto;
    }

    .project-card { --padding: 68px; }

    .contact-card { padding: 68px; }
}

@media (min-width: 768px) {
    .container { max-width: 720px; }

    .section-text { --fs-5: 2rem; }

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

    .project .title-wrapper {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 30px;
    }

    .project .btn { min-width: max-content; }

    .contact .section-text { --fs-5: 1.8rem; }

    .input-wrapper {
        display: flex;
        align-items: center;
        gap: 20px;
    }

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

    .copyright { margin-block-end: 0; }
}

@media (min-width: 992px) {
    :root {
        --section-padding: 120px;
    }

    .container { max-width: 960px; }

    .nav-open-btn,
    .navbar-top,
    .navbar .wrapper,
    .overlay { display: none; }

    .navbar,
    .navbar.active {
        all: unset;
        display: flex;
        flex-grow: 1;
    }

    .navbar-list {
        display: flex;
        gap: 36px;
        margin-inline: auto;
    }

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

    .navbar-link:is(:hover, :focus-visible) { color: var(--cinnamon-satin); }

    .navbar .social-link {
        color: var(--charcoal);
        font-size: 1.8rem;
        transition: color var(--transition-2);
    }

    .header {
        top: 45px;
        max-width: 960px;
        left: 50%;
        transform: translateX(-50%);
        padding-inline: 16px;
        border-radius: var(--radius-8);
    }

    .header.active {
        top: 0;
        left: 0;
        max-width: unset;
        border-radius: 0;
    }

    .hero { padding-block-start: calc(var(--section-padding) + 80px); }

    .hero .container {
        grid-template-columns: 0.8fr 1fr;
        align-items: center;
        gap: 100px;
    }

    .hero-content { text-align: left; }

    .hero .btn-wrapper { justify-content: flex-start; }

    .about .wrapper {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    .about .grid-list { grid-template-columns: repeat(4, 1fr); }

    .contact-card {
        grid-template-columns: 0.8fr 1fr;
        align-items: center;
        gap: 90px;
    }
}

@media (min-width: 1200px) {
    .container,
    .header { max-width: 1140px; }

    .about .grid-list { gap: 50px; }

    .contact-card { gap: 150px; }
}

@media (min-width: 1400px) {
    .container,
    .header { max-width: 1320px; }

    .hero .container { grid-template-columns: 1fr 0.8fr; }

    .hero .section-text { --fs-5: 2.4rem; }

    .about .wrapper { gap: 100px; }

    .about .grid-list { gap: 60px; }
}

/* Main content container with white background */
.main-content-wrapper {
    background-color: var(--white);
    max-width: 1200px;
    margin: 0 auto;
    border-radius: var(--radius-8);
    box-shadow: var(--shadow-2);
    overflow: hidden;
    margin-top: 170px;
    margin-bottom: 40px;
    animation: fadeIn 1s ease-in forwards;
    transition: background-color var(--transition-2), box-shadow var(--transition-2);
}

main {
    display: flex;
    align-items: center;
    padding: 2rem;
    max-width: none;
    margin: 0;
    flex-grow: 1;
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    margin-top: 10px;
    align-items: center;
    gap: 2rem;
}

.project-image-link {
    position: relative;
    display: block;
    text-decoration: none;
    border-radius: var(--radius-8);
    overflow: hidden;
    transition: transform var(--transition-1);
}

.project-image-hover {
    width: 100%;
    height: auto;
    border-radius: var(--radius-8);
    transition: transform 0.3s;
}

.project-image-hover:hover {
    transform: scale(1.05);
}

.project-image-link .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: var(--radius-8);
}

.project-image-link:hover .overlay {
    opacity: 1;
}

.project-title {
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    text-align: center;
    margin: 0;
    color: white;
}

.intro-section {
    padding: 3rem 2rem 1rem 2rem;
    text-align: center;
    background-color: var(--white);
    animation: fadeIn 1s ease-in forwards;
    transition: background-color var(--transition-2);
}

.intro-section h1 {
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    font-size: 2rem;
    color: var(--charcoal);
    margin-bottom: 1rem;
    transition: color var(--transition-2);
}

/* Dark mode specific styling for intro section title */
body.dark-mode .intro-section h1 {
    color: var(--charcoal);
}

.intro-section p {
    font-family: 'Manrope', sans-serif;
    font-weight: 500;
    color: var(--black-coral);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    transition: color var(--transition-2);
}

@media (max-width: 768px) {
    .intro-section {
        padding: 2rem 1rem 1rem 1rem;
    }
    .intro-section h1 {
        font-size: 1.5rem;
    }

    .main-content-wrapper {
        margin: 100px 16px 40px 16px;
        border-radius: var(--radius-6);
    }
}

/* Style the language switcher container */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 15px;
}

/* Style the language buttons */
.lang-btn {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

/* Style the flag images */
.lang-btn img {
    width: 24px;
    height: 16px;
    object-fit: cover;
    border: 1px solid var(--manatee);
    border-radius: 2px;
    display: block;
    transition: border-color var(--transition-2);
}

/* Hover effect for interactivity */
.lang-btn:hover {
    background-color: var(--cultured);
    transform: scale(1.1);
}

/* Active or selected language button */
.lang-btn:focus, .lang-btn[aria-selected="true"] {
    outline: 2px solid var(--cinnamon-satin);
    outline-offset: 2px;
}

/* Dark Mode Toggle Button Styles */
.dark-mode-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--cinnamon-satin);
    border: none;
    box-shadow: var(--shadow-2);
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-2);
    overflow: hidden;
}

.dark-mode-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px hsla(216, 14%, 14%, 0.15);
}

.dark-mode-toggle ion-icon {
    font-size: 24px;
    color: var(--white);
    transition: all var(--transition-2);
    position: absolute;
}

.dark-mode-toggle .sun-icon {
    opacity: 0;
    transform: rotate(180deg);
}

.dark-mode-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0deg);
}

/* Dark mode toggle icon states */
body.dark-mode .dark-mode-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0deg);
}

body.dark-mode .dark-mode-toggle .moon-icon {
    opacity: 0;
    transform: rotate(-180deg);
}

/* Fade-in animation for page content */
@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}