* {
    box-sizing: border-box;
}

:root {
    /* 1. Global Layout */
    --max-w: 1100px;

    /* 2. Brand Accents */
    --accent: #f4920e;
    --accent-light: #ffc37a;
    --accent-dark: #d67d0a;

    /* 3. Backgrounds */
    --app-bg: #f9f9f9;
    --section-bg: #f4f7f9;
    --card-bg: #f4f7f9;
    --gradient-ltr: linear-gradient(
        to right,
        var(--card-bg) 50%,
        var(--app-bg)
    );
    --gradient-rtl: linear-gradient(to left, var(--card-bg) 50%, var(--app-bg));

    /* 4. Typography */
    --text-primary: #1e2c3a;
    --text-secondary: #536171;
    --text-muted: #8795a1;
    --important-text: #ffffff;

    /* 5. UI Elements & Borders */
    --border-color: #dce1e7;
    --border-hover-bg: #101c2c70;
    --overlay-color: #2232468e;
    --text-btn: #ffffff;
    --text-btn-special: #ffffff;

    /* 6. Navigation */
    --nav-text: #ffffff;
    --nav-mobile-bg: #ffffff;
    --nav-mobile-text: #1e2c3a;
    --logo-mobile: #1e2c3a;

    /* 7. Specific Components */
    --service-icon: #fff8f0;
    --service-icon-border: #fbd3a3;

    /* 8. shadows */
    --service-shadow: #eee;
    --clip-path-ltr: inset(-30px 0 -30px -30px);
    --clip-path-rtl: inset(-30px -30px -30px 0);
}

[data-theme="dark"] {
    /* 2. Brand Accents */
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --accent-dark: #d97706;

    /* 3. Backgrounds */
    --app-bg: #262626;
    --section-bg: #0d0d0d;
    --card-bg: #0d0d0d;
    --gradient-ltr: linear-gradient(
        to right,
        var(--card-bg) 50%,
        var(--app-bg) 95%,
        transparent 100%
    );
    --gradient-rtl: linear-gradient(
        to left,
        var(--card-bg) 50%,
        var(--app-bg) 95%,
        transparent 100%
    );

    /* 4. Typography */
    --text-primary: #fafafa;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;
    --important-text: #ffffff;

    /* 5. UI Elements & Borders */
    --border-color: #2e2e2e;
    --border-hover-bg: rgba(0, 0, 0, 0.5);
    --overlay-color: rgba(0, 0, 0, 0.8);
    --text-btn: #0d0d0d;
    --text-btn-special: #ffffff;

    /* 6. Navigation */
    --nav-text: #a3a3a3;
    --nav-mobile-bg: #0d0d0d;
    --nav-mobile-text: #a3a3a3;
    --logo-mobile: #fafafa;

    /* 7. Specific Components */
    --service-icon: #1a1a1a;
    --service-icon-border: transparent;

    /* 8. shadows */
    --service-shadow: rgba(0, 0, 0, 0);
}

html {
    scroll-behavior: smooth;
}

body {
    position: relative;
    font-family: "Montserrat", sans-serif;
    background: var(--app-bg);
    color: var(--text-primary);
    margin: 0;
    transition:
        background-color 0.3s ease,
        color 0.3s ease;
}

.container {
    max-width: var(--max-w);
    margin: 0 auto;
}

h1,
h2,
h3,
h4,
p {
    margin: 0;
}

img {
    display: block;
    object-fit: cover;
}

button {
    font-family: "Montserrat", sans-serif;
}

/* animations */

/* -- 1. cards fade up animation -- */
.reveal {
    opacity: 0;
}

@keyframes fade-up {
    0% {
        transform: translateY(80px);
        opacity: 0;
    }

    40% {
        opacity: 0.3;
    }

    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.reveal.active {
    animation: fade-up 1.2s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.reveal.done {
    opacity: 1;
    transform: translateY(0);
    animation: none;
}

/* -- 2. hero stagger on page load -- */
h1,
section.hero .container p,
section.hero .container .actions {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s forwards;
    /* Forwards means it stays visible after animating */
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* The Staggering (delays each element slightly) */
section.hero .container h1 {
    animation-delay: 0.2s;
}

section.hero .container p {
    animation-delay: 0.4s;
}

section.hero .container .actions {
    animation-delay: 0.6s;
}

/* links - buttons */
a {
    text-decoration: none;
}

.btn-special,
.btn {
    border-radius: 10px;
    color: var(--text-btn);
    font-size: 15px;
    font-weight: 600;
    transition:
        background-color 0.3s,
        border-color 0.3s,
        color 0.3s;
    cursor: pointer;
    border: none;

    width: fit-content;
    height: fit-content;
}

.btn.small {
    padding: 0.75rem 1.25rem;
    background-color: var(--accent);
}

.btn.large {
    padding: 1rem 2rem;
    background-color: var(--accent);
}

.btn:hover {
    background-color: var(--accent-light);
}

.btn-special {
    border: 1px solid var(--border-color);
    padding: 1rem 2rem;
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-btn-special);
}

.btn-special:hover {
    background-color: var(--border-hover-bg);
}

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

/* scroll up button */
.scroll-up {
    position: fixed;
    z-index: 999;
    width: 30px;
    height: 30px;
    border-radius: 4px;
    background-color: var(--app-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    bottom: 30px;
    right: 30px;
    border: 1px solid var(--border-color);
    transition: background-color 0.3s;
}

@media (max-width: 500px) {
    .scroll-up {
        width: 23px;
        height: 23px;
        bottom: 15px;
        right: 8px;
    }

    .scroll-up a {
        font-size: 12px;
    }
}

.scroll-up:hover {
    background-color: var(--accent);
}

.scroll-up a {
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s;
    height: 100%;
    width: 100%;
}

.scroll-up:hover a {
    color: var(--app-bg);
}

/* theme toggle button */
#themeToggle {
    position: fixed;
    z-index: 999;
    width: 30px;
    height: 30px;
    bottom: 70px;
    right: 30px;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background-color: var(--app-bg);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition:
        background-color 0.3s,
        color 0.3s;
}

@media (max-width: 500px) {
    #themeToggle {
        width: 23px;
        height: 23px;
        bottom: 45px;
        right: 8px;
        font-size: 12px;
    }
}

#themeToggle:hover {
    background-color: var(--accent);
    color: var(--app-bg);
}

#themeToggle .light-icon {
    display: none;
}

#themeToggle .dark-icon {
    display: block;
}

[data-theme="dark"] #themeToggle .light-icon {
    display: block;
}

[data-theme="dark"] #themeToggle .dark-icon {
    display: none;
}

/* header */
header {
    position: relative;
    z-index: 10;
}

header .container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    padding: 0.5rem 2rem;
    align-items: center;
}

header .logo {
    display: flex;
    align-items: center;
    width: 100px;
    height: 100px;
}

header .logo img {
    object-fit: contain;
    width: 100%;
    height: 100%;
}

header nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

header nav .nav-link {
    color: var(--nav-text);
    transition: color 0.3s;
    font-weight: 400;
}

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

header nav .mobile-login,
header nav .mobile-logout {
    display: none;
}

header button.hamburger {
    width: 30px;
    height: 18px;
    display: none;
    background-color: transparent;
    border: none;
    cursor: pointer;
}

header button.hamburger span {
    width: 100%;
    height: 2px;
    border-radius: 3px;
    background-color: white;
    display: block;
    transition:
        transform 0.3s ease-in-out,
        opacity 0.3s ease-in-out;
}

header button.hamburger.clicked {
    position: relative;
}

header button.hamburger.clicked span:nth-child(2) {
    opacity: 0;
}

header button.hamburger.clicked span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

header button.hamburger.clicked span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 780px) {
    header {
        transition: background-color 0.3s;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
    }

    header.toggle-menu {
        background-color: var(--nav-mobile-bg);
        position: fixed;
    }

    header.toggle-menu .logo a {
        color: var(--logo-mobile);
    }

    header.toggle-menu button.hamburger span {
        background-color: var(--logo-mobile);
    }

    header .container {
        grid-template-columns: 1fr auto;
    }

    header .desktop-login,
    header .desktop-logout {
        display: none;
    }

    header nav .mobile-login,
    header nav .mobile-logout {
        display: block;
    }

    header button.hamburger {
        display: flex;
        flex-direction: column;
        gap: 5px;
    }

    header nav {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0;

        position: absolute;
        width: 100%;
        left: 0;
        top: 100%;
        background-color: var(--nav-mobile-bg);
        z-index: 999;

        opacity: 0;
        visibility: hidden;

        transform: translateY(-20px);
        transition:
            opacity 0.3s ease-in-out,
            transform 0.3s ease-in-out,
            visibility 0.3s;
    }

    header nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    header nav a {
        width: 100%;
    }

    header nav .nav-link {
        padding: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        color: var(--nav-mobile-text);
    }

    header nav .mobile-logout {
        width: 100%;
    }

    header nav .mobile-login,
    header nav form {
        text-align: center;
        width: calc(100% - 3rem);
        margin: 2rem 1.5rem;
    }
}

/* hero */
section.hero {
    padding: 0;
    background-image: url("../images/hero-students-3.jpg");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 100svh;
    max-width: 100vw;
    position: relative;
}

/* Keep hero from becoming too tall on tablet-sized screens (e.g., iPads). */
@media (min-width: 768px) and (max-width: 1180px) {
    section.hero {
        min-height: min(100svh, 860px);
    }
}

section.hero::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-color);
}

section.hero > .container {
    display: grid;
    grid-template-rows: auto auto auto;
    align-items: center;
    justify-items: center;
    gap: 2rem;
    text-align: center;

    padding: 3rem 2rem;

    position: relative;
    z-index: 1;
}

h1 {
    font-size: clamp(33px, 6vw, 48px);
    line-height: 1.4;
    max-width: 550px;
    color: var(--important-text);
}

h1 span {
    color: var(--accent);
}

section.hero > .container p {
    max-width: 550px;
    line-height: 2.1;
    color: var(--important-text);
}

section.hero .actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: fit-content;
    gap: 1rem;
}

@media (max-width: 780px) {
    section.hero {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    section.hero > .container {
        padding-top: 6rem;
    }
}

/* main */

/* -- main globals -- */
main section {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

main section .container {
    padding: 0rem 2rem;
}

@media (max-width: 780px) {
    main section .container {
        max-width: 550px;
    }
}

@media (max-width: 600px) {
    main section .container {
        padding-right: 2.5rem;
        padding-left: 2.5rem;
    }
}

/* -- intro */
main section .intro {
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 1rem;
}

main section .intro .title {
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 600;
    position: relative;
}

main section .intro .title::before,
main section .intro .title::after {
    content: "";
    position: absolute;
    height: 2px;
    width: 20px;
    background-color: var(--accent);
    border-radius: 1px;
}

main section .intro .title::before {
    left: -30px;
    top: 50%;
    transform: translateY(-50%);
}

main section .intro .title::after {
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
}

main section .intro h2 {
    font-size: clamp(30px, 3vw, 42px);
}

main section .intro p {
    max-width: 600px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* -- mini intro -- */
main section .mini-intro {
    display: grid;
    gap: 1.5rem;
}

main section .mini-intro h2 {
    color: var(--accent);
    width: fit-content;
    position: relative;
    font-size: clamp(28px, 3vw, 38px);
}

main section .mini-intro h2::before {
    content: "";
    position: absolute;
    width: 50%;
    height: 3px;
    left: 0;
    bottom: -0.3rem;
    transform: translateY(-50%);
    background-color: var(--accent);
}

main section .mini-intro .sub-title {
    font-weight: 600;
    font-size: clamp(16px, 2vw, 22px);
}

main section .mini-intro p {
    color: var(--text-secondary);
    line-height: 2;
    max-width: 450px;
}

/* -- services -- */
main section.services .services-body {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

main section.services .services-body .service {
    display: grid;
    justify-content: space-between;
    grid-template-columns: 280px auto;
    gap: 2rem;
    padding: 2rem;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

main section.services .services-body .service:hover {
    transform: translateY(-4px);
}

main section.services .services-body .service::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: -1;
    border-radius: 9999px 0 0 9999px;
    box-shadow: -8px 0 15px var(--service-shadow);
    clip-path: var(--clip-path-ltr);
}

main section.services .services-body .service:nth-child(odd) {
    grid-template-columns: 280px auto;
    border-radius: 999px 0 0 999px;
    background: var(--gradient-ltr);
}

main section.services .services-body .service:nth-child(even) {
    grid-template-columns: auto 280px;
    border-radius: 0 999px 999px 0;
    background: var(--gradient-rtl);
}

main section.services .services-body .service:nth-child(even)::before {
    left: auto;
    right: 0;
    border-radius: 0 9999px 9999px 0;
    box-shadow: 8px 0 15px var(--service-shadow);
    clip-path: var(--clip-path-rtl);
}

main section.services .services-body .service:nth-child(even) .img {
    order: 2;
}

main section.services .services-body .service:nth-child(even) .description {
    order: 1;
}

main section.services .services-body .service .img {
    height: 280px;
    border-radius: 50%;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

main section.services .services-body .service .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

main section.services .services-body .service .description {
    display: grid;
    gap: 1.5rem;
    align-items: center;
    align-self: center;
    justify-self: end;
    max-width: 500px;
}

main section.services .services-body .service .description p {
    line-height: 1.8;
    color: var(--text-secondary);
}

main section.services .services-body .service .description a {
    padding: 1rem 1.25rem;
    border: 1px solid var(--accent);
    border-radius: 10px;
    width: fit-content;
    position: relative;
    z-index: 2;
    transition:
        color 0.3s ease,
        background-color 0.3s ease;
    color: var(--accent);
    background-color: transparent;
}

main section.services .services-body .service:hover .img {
    box-shadow: 0 0 10px var(--overlay-color);
}

main section.services .services-body .service:hover .description a {
    color: var(--text-btn);
    background-color: var(--accent);
}

@media (max-width: 780px) {
    :root {
        --gradient-ltr: linear-gradient(
            to bottom,
            var(--card-bg) 50%,
            var(--app-bg)
        );
        --gradient-rtl: linear-gradient(
            to bottom,
            var(--card-bg) 50%,
            var(--app-bg)
        );
    }

    main section.services .services-body {
        justify-items: center;
    }

    main section.services .services-body .service {
        width: fit-content;
    }

    main section.services .services-body .service::before {
        border-radius: 999px 999px 0 0;
    }

    main section.services .services-body .service:nth-child(even)::before {
        border-radius: 999px 999px 0 0;
    }

    main section.services .services-body .service::before,
    main section.services .services-body .service:nth-child(even)::before {
        width: 100%;
        height: 50%;

        top: 0;
        left: 0;
        border-radius: 999px 999px 0 0;

        /* Push shadow UP (Y-axis) instead of Left/Right */
        box-shadow: 0 -8px 15px var(--service-shadow);

        /* Cut the shadow off at the bottom so it doesn't bleed into the text area */
        clip-path: inset(-30px -30px 0 -30px);
    }

    main section.services .services-body .service {
        justify-items: center;
        gap: 2rem;
    }

    main section.services .services-body .service:nth-child(odd),
    main section.services .services-body .service:nth-child(even) {
        grid-template-columns: 1fr;
        grid-template-rows: 220px auto;
        border-radius: 999px 999px 0 0;
    }

    main section.services .services-body .service .img {
        width: 220px;
        height: 220px;
    }

    main section.services .services-body .service:nth-child(even) .img {
        order: 1;
    }

    main section.services .services-body .service .description {
        justify-items: center;
        justify-self: center;
        text-align: center;
        max-width: 220px;
    }

    main section.services .services-body .service:nth-child(even) .description {
        order: 2;
    }
}

/* -- about -- */
section.about {
    background-color: var(--section-bg);
}

section.about .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

section.about .about-content {
    display: grid;
    gap: 2rem;
}

section.about .about-content .about-stats {
    margin-top: 1rem;
    display: grid;
    gap: 0.5rem;
    grid-template-columns: repeat(3, 1fr);
}

section.about .about-content .about-stats .stat {
    display: flex;
    flex-direction: column;
}

section.about .about-content .about-stats .stat .num {
    font-weight: 700;
    font-size: 25px;
}

section.about .about-content .about-stats .stat .label {
    font-size: 14px;
    color: var(--text-muted);
}

section.about .about-image {
    position: relative;
}

section.about .about-image img {
    border-radius: 20px;
}

section.about .about-image img:first-child {
    width: 90%;
    height: 90%;
    position: absolute;
    right: 0;
    top: 0;
}

section.about .about-image img:last-child {
    width: 40%;
    height: 40%;
    position: absolute;
    left: 0;
    bottom: 0;
    border: 10px solid var(--section-bg);
}

@media (max-width: 800px) {
    section.about .container {
        grid-template-columns: 1fr;
        justify-items: center;
    }

    section.about .about-image {
        display: none;
    }
}

/* -- legal hub -- */
section.legal-hub {
    background-color: var(--section-bg);
}

section.legal-hub .legal-grid {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

section.legal-hub .legal-item {
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--app-bg);
    padding: 1.5rem;
    display: grid;
    gap: 0.9rem;
}

section.legal-hub .legal-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

@media (max-width: 780px) {
    section.legal-hub .legal-grid {
        grid-template-columns: 1fr;
    }
}

/* -- legal page -- */
section.legal-page {
    padding-top: 7rem;
}

section.legal-page .legal-content {
    margin-top: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--section-bg);
    padding: 1.5rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

section.legal-page .legal-content h1,
section.legal-page .legal-content h2,
section.legal-page .legal-content h3 {
    color: var(--text-primary);
    margin: 0.8rem 0;
}

section.legal-page .legal-content ul,
section.legal-page .legal-content ol {
    padding-left: 1.2rem;
}

section.legal-page .legal-content p {
    margin: 0.7rem 0;
}

/* -- contact -- */
section.contact .contact-content {
    margin-top: 3rem;
    display: grid;
    align-items: center;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

section.contact .contact-content .contact-info > p {
    margin: 0.5rem 0 2rem;
}

section.contact .contact-content .contact-info .info-items {
    margin-top: 0.5rem;
    display: grid;
    gap: 1rem;
}

section.contact .contact-content .contact-info .info-items .item {
    display: grid;
    gap: 0.5rem;
}

section.contact .contact-content .contact-info .info-items .item > div {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

section.contact .contact-content .contact-info .info-items .item > div i {
    color: var(--accent);
}

section.contact .contact-content .contact-info .info-items .item > div h4 {
    color: var(--accent);
}

section.contact .contact-content .contact-info .info-items .item p,
section.contact .contact-content .contact-info .info-items .item a {
    color: var(--text-secondary);
    font-size: 15px;
}

section.contact .contact-content .map .map-wrapper {
    width: 100%;
    height: 300px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 1rem;

    /* We use overflow hidden here so the square iframe doesn't poke out of the rounded corners */
    overflow: hidden;
}

section.contact .contact-content .map .map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

[data-theme="dark"] section.contact .contact-content .map .map-wrapper iframe {
    filter: invert(90%) hue-rotate(180deg) brightness(85%) contrast(85%);
}

@media (max-width: 780px) {
    section.contact .contact-content {
        grid-template-columns: 1fr;
    }

    section.contact .contact-content .contact-info {
        text-align: center;
    }

    section.contact .contact-content .contact-info .info-items {
        gap: 1.5rem;
    }

    section.contact .contact-content .contact-info .info-items .item > div {
        justify-content: center;
    }
}

/* footer */
footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--section-bg);
}

footer .footer-social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

footer .footer-legal-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

footer .footer-legal-links a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color 0.3s;
}

footer .footer-legal-links a:hover {
    color: var(--accent);
}

footer .footer-social-links a {
    width: 34px;
    height: 34px;
    border-radius: 5px;
    /* border: 1px solid var(--border-color); */
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition:
        background-color 0.3s,
        color 0.3s,
        border-color 0.3s;
}

footer .footer-social-links a:hover {
    background-color: var(--accent);
    color: var(--text-btn);
    border-color: var(--accent);
}

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

/* global media queries */
@media (max-width: 450px) {
    header .logo {
        width: 80px;
        height: 80px;
    }

    section.hero > .container {
        gap: 2rem;
        grid-template-rows: auto auto auto;
    }

    p {
        font-size: 15px;
    }

    .btn,
    .btn-special {
        font-size: 14px;
    }

    .btn.small {
        padding: 0.5rem 1rem;
    }

    .btn.large,
    .btn-special {
        padding: 0.75rem 1.25rem;
    }
}