@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@400;600;700&display=swap');

*, *::before, *::after {
    border: none;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Exo 2', sans-serif;
    background: url('../images/background/hero-image.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: white;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── HEADER ─────────────────────────────────────────── */
header {
    background-color: rgba(0, 0, 0, 0.88);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 50px;
    gap: 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
}

header h1 {
    margin: 0;
    padding: 0;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

#nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 18px;
    margin: 0;
    padding: 0 50px 0 0;
}

#nav-list a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.75);
    padding: 6px 2px 4px;
    display: inline-block;
    line-height: 1;
    vertical-align: middle;
    border-bottom: 2px solid transparent !important;
    transition: border-color 0.15s, color 0.15s;
    font-size: 0.95rem;
}

#nav-list a:hover {
    border-bottom-color: #ffffff !important;
    color: #ffffff;
}

.active {
    border-bottom-color: #ffffff !important;
    color: #ffffff !important;
}

/* ── MAIN ────────────────────────────────────────────── */
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 0 auto;
    padding: 40px 20px;
    flex: 1;
    width: 100%;
}

/* ── GLASS CARDS ─────────────────────────────────────── */
#welcome,
#personal-info,
#registration {
    background-color: rgba(255, 255, 255, 0.08);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 16px;
    padding: 28px 32px;
    width: min(640px, 92%);
    margin: 12px auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    text-align: left;
}

#welcome img.profile-pic {
    border-radius: 50%;
    width: 90px;
    height: 90px;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.35) !important;
    flex-shrink: 0;
}

#personal-info h2,
#registration h2 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

#personal-info p,
#registration p {
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.88);
}

/* ── TEXT + IMAGE LAYOUT ─────────────────────────────── */
.text-image-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.text-image-container img {
    width: 150px;
    height: auto;
    border-radius: 12px;
    flex-shrink: 0;
}

.text-content {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.text-content h2 {
    text-align: left;
    margin-bottom: 10px;
    font-size: 1.15rem;
    font-weight: 700;
}

.text-content p {
    text-align: left;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.88);
}

/* ── FOOTER ──────────────────────────────────────────── */
footer {
    background: rgba(0, 0, 0, 0.92);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 28px 20px 16px;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
}

#social-media {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.social-media-links h2 {
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 14px;
    text-align: center;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.social-media-links ul {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    list-style: none;
    gap: 10px;
    width: 100%;
    padding: 0;
    margin: 0;
}

.social-media-links li {
    margin: 0;
}

.social-media-links a {
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.07);
    font-size: 1.4rem;
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s, transform 0.2s;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
}

.social-media-links a:hover {
    background: #fff;
    color: #000;
    transform: translateY(-3px);
}

.footer-copy {
    text-align: center;
    margin-top: 18px;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.28);
    letter-spacing: 0.03em;
}

/* ── TOOLS & LANGUAGES ───────────────────────────────── */
.tools-and-languages {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: min(720px, 92%);
    margin: 0 auto;
}

.tools-list,
.languages-list,
.web-dev-tools,
.human-languages-list,
.other-tools-list {
    background-color: rgba(255, 255, 255, 0.08);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 16px;
    padding: 22px 24px;
    width: 100%;
    margin: 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    text-align: left;
}

.tools-list h2,
.languages-list h2,
.web-dev-tools h2,
.human-languages-list h2,
.other-tools-list h2 {
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding-bottom: 10px;
}

.tools-list ul,
.languages-list ul,
.web-dev-tools ul,
.human-languages-list ul,
.other-tools-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tools-list li,
.languages-list li,
.web-dev-tools li,
.human-languages-list li,
.other-tools-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
}

.tools-list li:last-child,
.languages-list li:last-child,
.web-dev-tools li:last-child,
.human-languages-list li:last-child,
.other-tools-list li:last-child {
    border-bottom: none !important;
}

/* ── NAV DROPDOWN ────────────────────────────────────── */
.cdropdown-container {
    position: relative;
    display: inline-block;
}

.cdropdown-content {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background-color: rgba(10, 10, 10, 0.95);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    padding: 6px 0;
    border-radius: 10px;
    min-width: 140px;
    display: none;
    flex-direction: column;
    z-index: 999;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.cdropdown-container:hover .cdropdown-content {
    display: flex;
}

.cdropdown-content li {
    list-style: none;
    margin: 0;
}

.cdropdown-item a {
    color: rgba(255, 255, 255, 0.8) !important;
    padding: 9px 16px;
    display: block;
    text-decoration: none;
    white-space: nowrap;
    font-size: 0.9rem;
    transition: color 0.15s, background 0.15s;
    border-bottom: none !important;
}

.cdropdown-item a:hover {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.06);
    border-bottom: none !important;
}

/* ── LEGACY DROPDOWN (blue button) ──────────────────── */
.dropbtn {
    background-color: #3498DB;
    color: white;
    padding: 16px;
    font-size: 16px;
    cursor: pointer;
}

.dropbtn:hover, .dropbtn:focus {
    background-color: #2980B9;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown a:hover { background-color: #ddd; }

.show { display: block; }

/* ── INLINE LINK ─────────────────────────────────────── */
.link {
    color: inherit;
    text-decoration: underline;
    font-weight: bold;
}

/* ── LINKS INSIDE SKILL CARDS ────────────────────────── */
.tools-list a,
.languages-list a,
.web-dev-tools a,
.human-languages-list a,
.other-tools-list a {
    color: #90cdf4;
    text-decoration: none;
    transition: color 0.15s;
}

.tools-list a:hover,
.languages-list a:hover,
.web-dev-tools a:hover,
.human-languages-list a:hover,
.other-tools-list a:hover {
    color: #bee3f8;
    text-decoration: underline;
}

/* ── SKILL LEVEL BADGES ──────────────────────────────── */
.skill-level {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 20px;
    margin-left: auto;
    flex-shrink: 0;
}

.skill-level.beginner {
    background: rgba(72, 187, 120, 0.15);
    color: #68d391;
}

.skill-level.intermediate {
    background: rgba(99, 179, 237, 0.15);
    color: #63b3ed;
}

.skill-level.expert {
    background: rgba(183, 148, 244, 0.15);
    color: #b794f4;
}

/* ── FIREFLY CANVAS ──────────────────────────────────── */
canvas {
    filter: blur(1px);
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    max-width: 100%;
}

/* ── TABLE ───────────────────────────────────────────── */
.table-container {
    width: min(800px, 92%);
    margin: 20px auto;
    background: rgba(255, 255, 255, 0.07);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

table th {
    background: rgba(255, 255, 255, 0.1);
    padding: 14px 18px;
    text-align: left;
    font-weight: 700;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: rgba(255, 255, 255, 0.75);
}

table td {
    padding: 13px 18px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07) !important;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.88);
}

table tr:last-child td {
    border-bottom: none !important;
}

table tr:hover td {
    background: rgba(255, 255, 255, 0.04);
}

main table a:link,
main table a:visited {
    color: #90cdf4 !important;
    text-decoration: none;
}

main table a:hover,
main table a:focus {
    color: #bee3f8 !important;
    text-decoration: underline;
}

.coming-soon {
    color: rgba(255, 255, 255, 0.3);
    font-style: italic;
    font-size: 0.85rem;
}

/* ── FORM ────────────────────────────────────────────── */
#project-description {
    background-color: rgba(255, 255, 255, 0.08);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 16px;
    padding: 24px 32px;
    width: min(480px, 92%);
    margin: 12px auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    text-align: center;
}

#project-description h2 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

#project-description p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
}

.form-section {
    width: min(480px, 92%);
    margin: 12px auto;
}

.signup-form {
    background-color: rgba(255, 255, 255, 0.08);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 16px;
    padding: 28px 32px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    text-align: left;
}

#sign-up-heading h2 {
    font-size: 1.15rem;
    margin-bottom: 22px;
    text-align: center;
}

.form-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.form-item label {
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-item input {
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.18) !important;
    border-radius: 8px;
    padding: 10px 14px;
    color: #fff;
    font-family: 'Exo 2', sans-serif;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.15s, background 0.15s;
}

.form-item input:focus {
    border-color: rgba(144, 205, 244, 0.55) !important;
    background: rgba(255, 255, 255, 0.12);
}

.form-item input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-item-button {
    margin-top: 10px;
    text-align: center;
}

.join-button {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.28) !important;
    border-radius: 8px;
    color: #fff;
    font-family: 'Exo 2', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 11px 36px;
    cursor: pointer;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.join-button:hover {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.5) !important;
    transform: translateY(-1px);
}

/* ── 404 PAGE ─────────────────────────────────────────── */
.page-not-found {
    background-color: rgba(255, 255, 255, 0.08);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 16px;
    padding: 52px 44px;
    width: min(460px, 92%);
    margin: 20px auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    text-align: center;
}

.page-not-found-heading h1 {
    font-size: 6rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.35;
}

.page-not-found p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.btn {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.28) !important;
    border-radius: 8px;
    color: #fff;
    font-family: 'Exo 2', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 11px 36px;
    cursor: pointer;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: background 0.2s, transform 0.15s;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.22);
    transform: translateY(-1px);
}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media screen and (max-width: 768px) {
    header {
        padding: 12px 20px;
    }

    #nav-list {
        font-size: 80%;
        padding-right: 10px;
        gap: 12px;
    }

    .text-image-container {
        flex-direction: column;
        align-items: center;
    }

    .text-image-container img {
        width: 120px;
    }

    .tools-and-languages {
        grid-template-columns: 1fr;
        width: 92%;
    }

    .tools-list,
    .languages-list,
    .web-dev-tools,
    .human-languages-list,
    .other-tools-list {
        width: 100%;
    }
}

@media screen and (max-width: 480px) {
    header h1 {
        font-size: 1rem;
    }

    #nav-list {
        font-size: 70%;
        padding-right: 5px;
        gap: 8px;
    }

    .text-image-container img {
        width: 80px;
    }

    .tools-and-languages {
        gap: 12px;
    }

    .tools-list,
    .languages-list,
    .web-dev-tools,
    .human-languages-list,
    .other-tools-list {
        padding: 18px 20px;
    }
}