:root {
    --bg:      #f7f3eb;
    --bg-card: #f1ebe0;
    --accent:  #0d9297;
    --accent2: #14FFEC;
    --text:    #000000;
    --muted:   #4b5563;
    --white:   #ffffff;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html, body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px 56px;
    background: transparent;
    transition: background .4s;
}
.nav.scrolled {
    background: rgba(247,243,235,.92);
    backdrop-filter: blur(12px);
}
.nav-link {
    display: flex;
    gap: 36px;
    list-style: none;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: .5px;
}
.nav-link a {
    color: var(--muted);
    text-decoration: none;
    position: relative;
    padding-bottom: 4px;
    transition: color .25s;
}
.nav-link a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    transition: width .3s ease;
}
.nav-link a:hover { color: var(--accent); }
.nav-link a:hover::after,
.nav-link li.active a::after { width: 100%; }
.nav-link li.active a { color: var(--accent); }
.about {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-areas: "left photo right";
    align-items: center;
    justify-items: center;
    overflow: hidden;
    position: relative;
    gap: 20px;
    padding-top: 100px;
    padding-bottom: 60px;
}
.section-left {
    padding: 80px 0 40px 40px;
    position: relative;
    z-index: 2;
    grid-area: left;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    width: 100%;
}
.first-name {
    font-size: clamp(55px, 9vw, 80px);
    font-style: italic;
    font-weight: 900;
    line-height: .92;
    color: var(--accent);
    letter-spacing: 2px;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeUp .8s .1s forwards;
}
.last-name {
    font-size: clamp(55px, 9vw, 80px);
    font-style: italic;
    font-weight: 900;
    line-height: .92;
    color: var(--muted);
    letter-spacing: 2px;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeUp .8s .3s forwards;
}
.accent-bar {
    width: 60px; height: 4px;
    background: var(--accent);
    margin-top: 12px;
    border-radius: 2px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp .8s .5s forwards;
}
.profile {
    position: relative;
    grid-area: photo;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 40px 0;
}
.round-background {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 420px; height: 420px;
    background: linear-gradient(160deg, #0d7377 0%, #14FFEC 100%);
    border-radius: 50%;
    z-index: 1;
}
.frame {
    position: relative;
    z-index: 2;
    width: 360px; height: 360px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0,0,0,.45);
    background: #d0d8e8;
    opacity: 0;
    animation: risePhoto .9s .3s forwards;
}
.frame img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}
.about-right {
    grid-area: right;
    padding: 80px 40px 40px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
    z-index: 2;
}
.about-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
}
.about-label::before {
    content: '—';
    color: var(--muted);
    font-weight: 400;
}
.about-heading {
    font-size: clamp(28px, 3vw, 42px);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text);
    margin-bottom: 4px;
}
.about-desc {
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--muted);
    max-width: 360px;
}

.circle-dec {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
.circle-dec1 {
    width: 300px; height: 300px;
    top: -80px; left: -80px;
    background: rgba(13, 146, 151, 0.08);
}
.circle-dec2 {
    width: 200px; height: 200px;
    bottom: 40px; right: -60px;
    background: rgba(20, 255, 236, 0.08);
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes risePhoto {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
}
.experience {
    min-height: 100vh;
    padding: 120px 40px 80px;
    background: var(--bg);
}
.exp-cnt {
    max-width: 1100px;
    margin: 0 auto;
}
.exp-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--accent);
    text-align: center;
    margin-bottom: 12px;
}
.exp-sub {
    text-align: center;
    color: var(--muted);
    font-size: 1rem;
    margin-bottom: 60px;
}
.timeline-wrp {
    position: relative;
    width: 100%;
}
.timeline-table {
    width: 100%;
    border-collapse: collapse;
}
.timeline-table tbody {
    display: block;
    width: 100%;
}
.timeline-row-right,
.timeline-row-left {
    display: grid;
    grid-template-columns: 1fr 60px 1fr;
    margin-bottom: 60px;
    position: relative;
}
.timeline-content-left,
.timeline-content-right {
    padding: 0 30px;
}
.timeline-center {
    position: relative;
    display: flex;
    justify-content: center;
}
.timeline-center::before {
    content: '';
    position: absolute;
    width: 3px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent2) 100%);
    top: 0; bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
}
.timeline-row-left:last-child .timeline-center::before,
.timeline-row-right:last-child .timeline-center::before {
    bottom: 0;
}
.timeline-marker {
    width: 20px; height: 20px;
    background: var(--accent);
    border-radius: 50%;
    border: 4px solid var(--bg);
    box-shadow: 0 0 0 4px var(--accent2);
    position: relative;
    z-index: 2;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px var(--accent2); }
    50%       { box-shadow: 0 0 0 8px rgba(20,255,236,0.3); }
}
.timeline-card {
    background: var(--white);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}
.timeline-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(13,115,119,.15);
}
.timeline-date {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
    color: var(--white);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 14px;
}
.timeline-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 6px;
}
.timeline-company {
    font-size: 1rem;
    color: #2d3748;
    font-weight: 600;
    display: block;
    margin-bottom: 10px;
}
.timeline-desc {
    color: var(--muted);
    line-height: 1.7;
    font-size: 0.9rem;
    margin-bottom: 14px;
}
.timeline-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
}
.timeline-link:hover { gap: 12px; }

.timeline-row-left .timeline-card::after {
    content: '';
    position: absolute;
    right: -15px; top: 24px;
    width: 0; height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 15px solid var(--white);
}
.timeline-row-right .timeline-card::before {
    content: '';
    position: absolute;
    left: -15px; top: 24px;
    width: 0; height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 15px solid var(--white);
}
.education {
    min-height: 100vh;
    padding: 120px 40px 80px;
    background: var(--bg-card);
}
.edc-cnt {
    max-width: 1100px;
    margin: 0 auto;
}
.edc-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--accent);
    text-align: center;
    margin-bottom: 12px;
}
.edc-sub {
    text-align: center;
    color: var(--muted);
    font-size: 1rem;
    margin-bottom: 60px;
}
.edc-table-wrp {
    margin-bottom: 60px;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
}
.edc-table {
    width: 100%;
    border-collapse: collapse;
}
.edc-table thead {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
    color: var(--white);
}
.edc-table th,
.edc-table td {
    padding: 16px 20px;
    text-align: left;
}
.edc-table th {
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.edc-table tbody tr {
    border-bottom: 1px solid #e5e7eb;
    transition: background 0.3s;
}
.edc-table tbody tr:last-child { border-bottom: none; }
.edc-table tbody tr:hover { background: #f9fafb; }
.edc-table td {
    color: var(--muted);
    font-size: 0.95rem;
}
.project {
    min-height: 100vh;
    padding: 120px 40px 80px;
    background: var(--bg);
}
.project-cnt {
    max-width: 1200px;
    margin: 0 auto;
}
.project-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--accent);
    text-align: center;
    margin-bottom: 12px;
}
.project-sub {
    text-align: center;
    color: var(--muted);
    font-size: 1rem;
    margin-bottom: 60px;
}
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}
.project-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
    transition: transform 0.3s, box-shadow 0.3s;
}
.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(13,115,119,.2);
}
.project-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg-card);
}
.project-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
    display: block;
}
.project-card:hover .project-image img {
    transform: scale(1.05);
}
.project-content {
    padding: 24px;
}
.project-content h3 {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 10px;
    font-weight: 600;
}
.project-content p {
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 14px;
    font-size: 0.9rem;
}
.project-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
}
.project-link:hover { gap: 12px; }
.contact {
    min-height: 100vh;
    padding: 100px 60px 80px;
    background: var(--bg);
}
.cnt-contact {
    max-width: 1100px;
    margin: 0 auto;
}
.cnt-title {
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 700;
    color: var(--accent);
    text-align: center;
    margin-bottom: 10px;
}
.cnt-sub {
    text-align: center;
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 56px;
}

.snt-wrap {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 28px;
    align-items: stretch;
}

.cnt-info-card {
    background: linear-gradient(170deg, #0eaaaf 0%, #0a6e72 55%, #095558 100%);
    color: var(--white);
    padding: 36px 28px;
    border-radius: 18px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(13,115,119,.25);
}
.cnt-info-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}
.cnt-desc {
    font-size: 0.85rem;
    line-height: 1.6;
    color: rgba(255,255,255,.85);
    margin-bottom: 32px;
}

.cnt-list {
    list-style: none;
    padding: 0;
    margin-bottom: 36px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.cnt-list li {
    display: flex;
    align-items: center;
    gap: 0;
}
.cnt-icon { display: none; }  
.cnt-detail a,
.cnt-detail span {
    color: var(--white);
    text-decoration: none;
    font-size: 0.88rem;
    opacity: 0.92;
    transition: opacity 0.2s;
}
.cnt-detail a:hover { opacity: 1; text-decoration: underline; }

.social-links-inline { margin-top: 24px; }
.social-links-inline h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 14px;
}
.social-list {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 10px;
}
.social-list li { margin: 0; }
.social-list a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    background: rgba(255,255,255,.18);
    border-radius: 50%;
    text-decoration: none;
    transition: background 0.3s, transform 0.3s;
    padding: 10px;
}
.social-list a img {
    width: 100%; height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}
.social-list a:hover {
    background: rgba(255,255,255,.35);
    transform: translateY(-3px);
}

.cnt-circle {
    position: absolute;
    width: 180px; height: 180px;
    border-radius: 50%;
    pointer-events: none;
    background: rgba(255,255,255,.08);
    bottom: -60px;
    right: -60px;
}
.cnt-circle::before {
    content: '';
    position: absolute;
    width: 130px; height: 130px;
    border-radius: 50%;
    background: rgba(255,255,255,.06);
    bottom: 20px;
    right: 20px;
}

.cnt-form-wrapper {
    background: var(--white);
    padding: 40px 36px;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(0,0,0,.07);
}
.cnt-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.form-group label {
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 500;
}
.form-group input,
.form-group textarea {
    padding: 13px 16px;
    border: 1.5px solid #e5e7eb;
    border-radius: 10px;
    font-size: 0.92rem;
    font-family: inherit;
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.25s, box-shadow 0.25s;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #b0b7c3;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(13,146,151,.12);
}
.form-group textarea {
    resize: vertical;
    min-height: 130px;
}
.submit-btn {
    background: var(--accent);
    color: var(--white);
    padding: 14px 32px;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    width: fit-content;
    letter-spacing: 0.3px;
    transition: background 0.25s, transform 0.2s, box-shadow 0.2s;
}
.submit-btn:hover {
    background: #0b7f84;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13,115,119,.3);
}
.submit-btn:active {
    transform: translateY(0);
    box-shadow: none;
}
[data-reveal] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal="fade-up"]    { transform: translateY(40px); }
[data-reveal="fade-down"]  { transform: translateY(-40px); }
[data-reveal="fade-left"]  { transform: translateX(60px); }
[data-reveal="fade-right"] { transform: translateX(-60px); }
[data-reveal="scale"]      { transform: scale(0.88); }
[data-reveal].revealed {
    opacity: 1;
    transform: translate(0) scale(1);
}

[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="250"] { transition-delay: 0.25s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }
[data-delay="600"] { transition-delay: 0.6s; }
mark {
    background: rgba(20,255,236,.35);
    padding: 1px 4px;
    border-radius: 3px;
}
u {
    text-decoration-color: var(--accent);
    text-decoration-thickness: 2px;
}
@media (max-width: 900px) {
    .about {
        grid-template-columns: 1fr;
        grid-template-areas:
            "photo"
            "left"
            "right";
        padding: 100px 24px 60px;
        gap: 10px;
    }
    .section-left {
        align-items: center;
        padding: 20px 0 0;
    }
    .round-background { width: 280px; height: 280px; }
    .frame            { width: 240px; height: 240px; }
    .about-right {
        padding: 0 0 40px;
        text-align: center;
        align-items: center;
    }
    .about-label::before { display: none; }
    .about-desc { max-width: 100%; }
    .timeline-row-right,
    .timeline-row-left {
        grid-template-columns: 1fr;
        margin-bottom: 30px;
    }
    .timeline-center { display: none; }
    .timeline-content-left,
    .timeline-content-right { padding: 0; }
    .timeline-row-left .timeline-card::after,
    .timeline-row-right .timeline-card::before { display: none; }
    .snt-wrap {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 600px) {
    .nav { padding: 16px 20px; }
    .nav-link { gap: 18px; font-size: 0.8rem; }
    .experience,
    .education,
    .project,
    .contact { padding: 100px 20px 60px; }
    .form-row { grid-template-columns: 1fr; }
}