/* =========================================================
       HERO
    ========================================================= */

.hero {
    min-height: 100vh;

    display: flex;
    align-items: center;

    padding: 140px 0 100px;

    border-bottom: 1px solid var(--border);
}

.hero-grid {
    display: grid;

    grid-template-columns: 1fr 300px;

    gap: 80px;

    align-items: end;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;

    margin-bottom: 26px;

    color: #777;

    font-size: 12px;
    font-weight: 650;

    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.eyebrow-dot {
    width: 7px;
    height: 7px;

    flex-shrink: 0;

    border-radius: 50%;

    background: #555;
    animation: pulse-gray 2s infinite;
}

.hero h1 {
    max-width: 800px;

    font-size: clamp(54px, 8vw, 96px);

    line-height: 0.94;

    letter-spacing: -0.065em;

    font-weight: 700;
}

.hero h1 span {
    color: #888;
}

.hero-description {
    max-width: 650px;

    margin-top: 34px;

    color: var(--text-secondary);

    font-size: 18px;

    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 18px;

    margin-top: 38px;
}

.button-primary {
    display: inline-flex;
    align-items: center;
    gap: 9px;

    padding: 11px 16px;

    border: 1px solid #171717;
    border-radius: 7px;

    background: #171717;

    color: #fff;

    font-size: 13px;
    font-weight: 600;

    transition:
        background 0.2s ease,
        transform 0.2s ease;
}

.button-primary:hover {
    background: #333;
    transform: translateY(-1px);
}

.button-secondary {
    color: #555;

    font-size: 13px;
    font-weight: 600;

    border-bottom: 1px solid #aaa;

    padding-bottom: 2px;
}

.button-secondary:hover {
    color: #111;
    border-color: #111;
}

/* =========================================================
       HERO SIDE INFO
    ========================================================= */

.hero-aside {
    padding-left: 28px;

    border-left: 1px solid var(--border);
}

.aside-label {
    margin-bottom: 10px;

    color: #999;

    font-family:
        "SFMono-Regular",
        Consolas,
        monospace;

    font-size: 10px;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.aside-value {
    margin-bottom: 26px;

    color: #333;

    font-size: 14px;
}

.availability {
    display: inline-flex;
    align-items: center;
    gap: 7px;

    color: #555;

    font-size: 12px;
}

.availability-dot {
    width: 7px;
    height: 7px;

    flex-shrink: 0;

    border-radius: 50%;

    background: #0fb961;
    animation: pulse-green 2s infinite;
}



/* =========================================================
       SECTION
    ========================================================= */

section:not(.hero) {
    border-bottom: 1px solid var(--border);
}

.section {
    padding: 110px 0;
}

.section-header {
    display: grid;

    grid-template-columns: 220px 1fr;

    gap: 60px;

    margin-bottom: 60px;
}

.section-number {
    color: #aaa;

    font-family:
        "SFMono-Regular",
        Consolas,
        monospace;

    font-size: 11px;

    letter-spacing: 0.08em;
}

.section-title {
    font-size: 42px;

    line-height: 1.05;

    letter-spacing: -0.045em;
}

.section-intro {
    max-width: 650px;

    margin-top: 16px;

    color: #777;

    font-size: 16px;

    line-height: 1.75;
}

/* =========================================================
           SECTION BACKGROUND VARIATION
        ========================================================= */

#about {
    background:
        linear-gradient(180deg,
            rgba(255, 255, 255, 0.18),
            rgba(247, 247, 245, 0.35));
}

#skills {
    background:
        radial-gradient(circle at 85% 15%,
            rgba(43, 95, 217, 0.025),
            transparent 30%);
}

#projects {
    background:
        linear-gradient(180deg,
            rgba(240, 240, 237, 0.22),
            rgba(247, 247, 245, 0.25));
}

#certificates {
    background:
        radial-gradient(circle at 15% 50%,
            rgba(43, 95, 217, 0.018),
            transparent 32%);
}

#contact {
    background:
        linear-gradient(180deg,
            rgba(255, 255, 255, 0.22),
            rgba(247, 247, 245, 0.5));
}

/* =========================================================
       ABOUT
    ========================================================= */

.about-grid {
    display: grid;

    grid-template-columns: 220px 1fr;

    gap: 60px;
}

.about-content {
    max-width: 760px;
}

.about-content p {
    margin-bottom: 24px;

    color: #555;

    font-size: 17px;

    line-height: 1.8;
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-content strong {
    color: #222;
    font-weight: 650;
}

/* =========================================================
           SKILLS — CAPABILITY MAP
        ========================================================= */

.skills-list {
    border-top: 1px solid var(--border);
}

.skill-row {
    display: grid;

    grid-template-columns: 220px 1fr;

    gap: 60px;

    align-items: baseline;

    padding: 25px 0;

    border-bottom: 1px solid var(--border);

    transition:
        padding-left 0.25s ease,
        background 0.25s ease;
}

.skill-row:hover {
    padding-left: 10px;

    background:
        linear-gradient(90deg,
            rgba(255, 255, 255, 0.45),
            transparent);
}

.skill-category {
    display: flex;

    align-items: center;

    gap: 12px;

    color: #555;

    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: 11px;

    letter-spacing: 0.08em;

    text-transform: uppercase;

    transition:
        color 0.2s ease;
}

.skill-index {
    color: #aaa;

    transition:
        color 0.2s ease;
}

.skill-row:hover .skill-category {
    color: var(--accent);
}

.skill-row:hover .skill-index {
    color: var(--accent);
}

.skill-items {
    display: flex;

    flex-wrap: wrap;

    gap: 0 14px;

    color: #666;

    font-size: 14px;

    line-height: 1.8;
}

.skill-item {
    white-space: nowrap;
}

.skill-item:not(:last-child)::after {
    content: "·";

    margin-left: 14px;

    color: #bbb;
}

/* =========================================================
       PROJECTS
    ========================================================= */

.project-list {
    border-top: 1px solid var(--border);
}

.project {
    display: grid;

    grid-template-columns: 60px 1fr 180px 80px;

    gap: 30px;

    align-items: start;

    padding: 30px 0;

    border-bottom: 1px solid var(--border);

    transition: background 0.2s ease;
}

.project:hover {
    background: #f1f1ee;
}

.project-number {
    color: #aaa;

    font-family:
        "SFMono-Regular",
        Consolas,
        monospace;

    font-size: 11px;
}

.project-title {
    margin-bottom: 8px;

    font-size: 21px;

    line-height: 1.25;

    letter-spacing: -0.025em;
}

.project-description {
    max-width: 560px;

    color: #777;

    font-size: 13px;

    line-height: 1.7;
}

.project-tech {
    display: flex;

    flex-wrap: wrap;

    gap: 6px;
}

.project-tech span {
    color: #777;

    font-family:
        "SFMono-Regular",
        Consolas,
        monospace;

    font-size: 10px;
}

.project-tech span:not(:last-child)::after {
    content: "·";

    margin-left: 6px;

    color: #bbb;
}

.project-arrow {
    color: #888;

    font-size: 13px;

    text-align: right;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.project:hover .project-arrow {
    color: #111;

    transform: translateX(3px);
}

.projects-footer {
    display: flex;

    justify-content: flex-end;

    margin-top: 25px;
}

.view-all {
    color: #555;

    font-size: 13px;
    font-weight: 600;

    border-bottom: 1px solid #aaa;
}

.view-all:hover {
    color: #111;

    border-color: #111;
}

/* =========================================================
           CERTIFICATES — TIMELINE
        ========================================================= */

.certificate-list {
    border-top: 1px solid var(--border);
}

.certificate {
    display: grid;

    grid-template-columns:
        100px 20px 1fr auto;

    gap: 25px;

    padding: 28px 0;

    border-bottom: 1px solid var(--border);

    transition:
        padding-left 0.25s ease,
        background 0.25s ease;
}

.certificate:hover {
    padding-left: 10px;

    background:
        linear-gradient(90deg,
            rgba(255, 255, 255, 0.5),
            transparent);
}

.certificate-year {
    color: #999;

    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: 11px;

    letter-spacing: 0.08em;
}

.certificate-marker {
    position: relative;

    display: flex;

    justify-content: center;
}

.certificate-marker::before {
    content: "";

    width: 7px;
    height: 7px;

    margin-top: 5px;

    border: 1px solid #999;

    border-radius: 50%;

    background: var(--bg);

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;
}

.certificate:hover .certificate-marker::before {
    background: var(--text);

    border-color: var(--text);

    transform: scale(1.25);
}

.certificate-content {
    min-width: 0;
}

.certificate-issuer {
    margin-bottom: 10px;

    color: #999;

    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: 10px;

    letter-spacing: 0.07em;

    text-transform: uppercase;
}

.certificate-name {
    margin-bottom: 6px;

    color: #222;

    font-size: 19px;

    line-height: 1.3;

    letter-spacing: -0.025em;
}

.certificate-description {
    max-width: 600px;

    color: #777;

    font-size: 13px;

    line-height: 1.6;
}

.certificate-description strong {
    color: #444;

    font-weight: 650;
}

.certificate-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;

    align-self: center;
    justify-self: end;

    padding: 4px 10px;
    border-radius: 6px;

    color: #71717a;

    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;

    transition:
        color 0.2s ease,
        background-color 0.2s ease;
}

.certificate-link:hover {
    color: #18181b;
    background-color: rgba(228, 228, 231, 0.6);
}

.certificate-link svg,
.certificate-link [data-lucide] {
    width: 14px;
    height: 14px;
    color: #a1a1aa;
    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.certificate-link:hover svg,
.certificate-link:hover [data-lucide] {
    color: #18181b;
    transform: translate(2px, -2px);
}

.certificate-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;

    align-self: center;
    justify-self: end;

    padding: 4px 10px;
    border-radius: 6px;

    color: #71717a;

    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;

    cursor: default;
    user-select: none;
}

.certificate-badge svg,
.certificate-badge [data-lucide] {
    width: 14px;
    height: 14px;
    color: #a1a1aa;
}

/* =========================================================
       CONTACT
    ========================================================= */

.contact-grid {
    display: grid;

    grid-template-columns: 1fr 320px;

    gap: 80px;

    align-items: end;
}

.contact-title {
    max-width: 720px;

    font-size: clamp(42px, 6vw, 70px);

    line-height: 0.98;

    letter-spacing: -0.055em;
}

.contact-description {
    max-width: 600px;

    margin-top: 25px;

    color: #777;

    font-size: 16px;

    line-height: 1.7;
}

.contact-links {
    display: flex;

    flex-direction: column;

    border-top: 1px solid var(--border);
}

.contact-link {
    display: flex;

    align-items: center;
    justify-content: space-between;

    padding: 16px 0;

    border-bottom: 1px solid var(--border);

    color: #555;

    font-size: 13px;

    transition: color 0.2s ease;
}

.contact-link:hover {
    color: #111;
}

.contact-link span:last-child {
    color: #aaa;
}

/* =========================================================
       RESPONSIVE
    ========================================================= */

@media (max-width: 850px) {

    .hero-grid {
        grid-template-columns: 1fr;

        gap: 50px;
    }

    .hero-aside {
        padding-left: 0;

        padding-top: 25px;

        border-left: none;
        border-top: 1px solid var(--border);
    }

    .section-header,
    .about-grid {
        grid-template-columns: 1fr;

        gap: 20px;
    }

    .skill-row {
        grid-template-columns: 150px 1fr;
        gap: 30px;
    }

    .project {
        grid-template-columns: 45px 1fr 70px;
    }

    .project-tech {
        display: none;
    }

    .certificate {
        grid-template-columns:
            70px 20px 1fr 70px;
        gap: 18px;
    }

    .contact-grid {
        grid-template-columns: 1fr;

        gap: 50px;
    }
}

@media (max-width: 600px) {

    .container {
        width: min(100% - 28px, 1120px);
    }

    .navbar {
        height: 64px;
    }

    .nav-links {
        gap: 16px;
    }

    .nav-links a:nth-child(1),
    .nav-links a:nth-child(4) {
        display: none;
    }

    .nav-resume {
        padding: 7px 11px;
    }

    .hero {
        min-height: auto;

        padding: 125px 0 80px;
    }

    .hero h1 {
        font-size: 56px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-actions {
        flex-wrap: wrap;
    }

    .hero-meta {
        gap: 20px;
    }

    .section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 36px;
    }

    .skill-row {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 20px 0;
    }

    .skill-items {
        font-size: 13px;
    }

    .project {
        grid-template-columns: 35px 1fr 30px;

        gap: 15px;

        padding: 25px 0;
    }

    .project-title {
        font-size: 18px;
    }

    .project-description {
        font-size: 12px;
    }

    .project-arrow {
        font-size: 12px;
    }

    .certificate {
        grid-template-columns:
            45px 18px 1fr;
        gap: 12px;
        padding: 24px 0;
    }

    .certificate-link,
    .certificate-badge {
        grid-column: 3;
        margin-top: 8px;
        justify-self: start;
    }

    .certificate-name {
        font-size: 17px;
    }

    .certificate-description {
        font-size: 12px;
    }

    .contact-title {
        font-size: 48px;
    }

    .footer-inner {
        display: block;
    }

    .footer-right {
        margin-top: 10px;
    }
}