:root {
    --primary: #1f2a44;
    --secondary: #243654;
    --accent: #6b80a1;
    --muted: #a7b4cc;
    --background: #f3f6fb;
    --card: #ffffff;
    --text: #2c3240;
}

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

html {
    height: 100%;
}

body {
    min-height: 100%;
    margin: 0;
    font-family: "Poppins", "Segoe UI", sans-serif;
    background: linear-gradient(135deg, var(--primary) 0%, #0d1524 100%);
    color: var(--text);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 48px 24px;
}

.page {
    width: min(1120px, 100%);
    background: var(--card);
    border-radius: 28px;
    box-shadow:
        0 40px 80px rgba(7, 15, 35, 0.35),
        0 12px 30px rgba(6, 15, 40, 0.25);
    overflow: hidden;
    display: grid;
    grid-template-columns: 320px 1fr;
    position: relative;
}

.sidebar {
    background: linear-gradient(180deg, var(--secondary) 0%, var(--primary) 100%);
    color: #e7ecf5;
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
}

.avatar {
    width: 168px;
    height: 168px;
    border-radius: 50%;
    background: radial-gradient(circle at top, #ffffff 0%, #d8dfef 55%, rgba(255, 255, 255, 0) 100%);
    display: grid;
    place-items: center;
    border: 6px solid rgba(255, 255, 255, 0.15);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.initials {
    font-size: 42px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 2px;
}

.avatar img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    filter: saturate(1.05);
}

.avatar.has-photo {
    background: none;
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow:
        0 18px 30px rgba(6, 11, 25, 0.25),
        inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.avatar.has-photo .initials {
    display: none;
}

.identity h1 {
    margin: 0;
    font-size: 26px;
    font-weight: 600;
}

.identity p {
    margin: 6px 0 0 0;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(231, 236, 245, 0.8);
}

.sidebar-section {
    border-top: 1px solid rgba(231, 236, 245, 0.1);
    padding-top: 24px;
}

.sidebar-section:first-of-type {
    border-top: none;
    padding-top: 0;
}

.sidebar-section h2 {
    margin: 0 0 16px 0;
    font-size: 16px;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-list .label {
    display: block;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 4px;
    color: rgba(231, 236, 245, 0.6);
}

.contact-list a,
.contact-list span {
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

.contact-list a:hover,
.contact-list a:focus-visible {
    color: var(--muted);
}

.item {
    margin-bottom: 20px;
}

.duration {
    font-size: 12px;
    letter-spacing: 0.9px;
    text-transform: uppercase;
    color: rgba(231, 236, 245, 0.7);
}

.title {
    margin: 6px 0 4px;
    font-size: 15px;
    font-weight: 600;
}

.org {
    margin: 0;
    font-size: 13px;
    color: rgba(231, 236, 245, 0.75);
}

.tag-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.tag-list li {
    font-size: 13px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    color: #f5f8ff;
    justify-content: center;
    text-align: center;
}

.content {
    padding: 56px 72px;
    background: linear-gradient(145deg, rgba(246, 248, 253, 0.9), rgba(233, 238, 249, 0.9));
}

.hero h2 {
    margin: 0;
    font-size: 36px;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.hero h3 {
    margin: 6px 0 20px;
    font-size: 20px;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 4px;
}

.hero p {
    margin: 0;
    font-size: 16px;
    line-height: 1.75;
    color: rgba(24, 28, 40, 0.84);
}

.section-header h2 {
    position: relative;
    margin: 48px 0 32px;
    font-size: 20px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary);
}

.section-header h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: 999px;
}

.experience {
    position: relative;
    padding-left: 24px;
}

.experience::before {
    content: "";
    position: absolute;
    top: 60px;
    left: 18px;
    bottom: 0;
    width: 2px;
    background: rgba(107, 128, 161, 0.35);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
    padding-left: 32px;
}

.timeline-marker {
    position: absolute;
    top: 6px;
    left: -5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(107, 128, 161, 0.25);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 18px;
    padding: 28px 32px;
    box-shadow: 0 24px 40px rgba(15, 30, 70, 0.08);
}

.role h3 {
    margin: 0;
    font-size: 22px;
    color: var(--primary);
}

.company {
    margin: 8px 0 20px;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
}

.timeline-content p,
.timeline-content ul {
    margin: 0 0 16px;
    font-size: 15px;
    line-height: 1.7;
}

.timeline-content ul {
    padding-left: 20px;
}

.timeline-content li {
    margin-bottom: 12px;
}

.timeline-content li:last-child {
    margin-bottom: 0;
}

.timeline-content strong {
    color: var(--secondary);
}

.timeline-content .tech {
    display: block;
    font-size: 13px;
    margin-top: 6px;
    color: var(--muted);
}

.timeline-item:last-of-type {
    margin-bottom: 0;
}

.timeline-item:last-of-type .timeline-content {
    margin-bottom: 0;
}

@media (max-width: 1100px) {
    .page {
        grid-template-columns: 280px 1fr;
    }

    .content {
        padding: 48px 48px;
    }
}

@media (max-width: 920px) {
    body {
        padding: 32px 16px;
    }

    .page {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: relative;
        padding: 40px 32px;
        border-bottom-left-radius: 28px;
        border-bottom-right-radius: 28px;
    }

    .content {
        padding: 40px 32px 56px;
    }

    .experience::before {
        left: 10px;
    }

    .timeline-item {
        padding-left: 24px;
    }

    .timeline-marker {
        left: -12px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 16px;
    }

    .content {
        padding: 32px 24px 48px;
    }

    .hero h2 {
        font-size: 30px;
    }

    .hero h3 {
        letter-spacing: 2px;
        font-size: 16px;
    }

    .timeline-content {
        padding: 24px;
    }

    .experience {
        padding-left: 12px;
    }

    .experience::before {
        left: 6px;
    }

    .timeline-item {
        padding-left: 20px;
    }

    .timeline-marker {
        left: -16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}