/* ═══════════════════════════════════════════════
   VARIABLES
═══════════════════════════════════════════════ */
:root {
    --bg: #f7f7f7;
    --surface: #eeeeee;
    --dark: #393e46;
    --muted: #929aab;
    --border: #d8d8d8;
    --text: #393e46;
    --text-soft: #929aab;

    --font-mono: "Space Mono", "Courier New", monospace;
    --font-display: "DM Serif Display", Georgia, serif;

    --max-w: 1140px;
    --section-pad: 100px 0;
    --radius: 2px;
}

/* ═══════════════════════════════════════════════
   RESET & BASE
═══════════════════════════════════════════════ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}
img {
    display: block;
    max-width: 100%;
}
ul {
    list-style: none;
}

/* ═══════════════════════════════════════════════
   LAYOUT UTILITIES
═══════════════════════════════════════════════ */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: var(--section-pad);
    padding-left: 32px;
    padding-right: 32px;
}

.section-divider {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 32px;
    border-bottom: 1px solid var(--border);
}

.section-label {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.12em;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--dark);
    line-height: 1.1;
    margin-bottom: 48px;
}

.mono-text {
    font-family: var(--font-mono);
}

/* ═══════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(247, 247, 247, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s;
}

.navbar.scrolled {
    box-shadow: 0 1px 12px rgba(57, 62, 70, 0.06);
}

.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 32px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.05em;
    color: var(--dark);
}

.nav-logo-dot {
    color: var(--muted);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    transition: color 0.2s;
    position: relative;
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--dark);
    transition: width 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--dark);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Resume link — outlined pill style */
.nav-resume {
    color: var(--dark) !important;
    border: 1px solid var(--dark);
    padding: 4px 14px;
    letter-spacing: 0.08em;
    transition:
        background 0.2s,
        color 0.2s;
}

.nav-resume::after {
    display: none;
}

.nav-resume:hover {
    background: var(--dark);
    color: var(--bg) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--dark);
    transition:
        transform 0.3s,
        opacity 0.3s;
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 60px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-eyebrow {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.14em;
    margin-bottom: 20px;
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 400;
    line-height: 1;
    color: var(--dark);
    margin-bottom: 12px;
}

.hero-title {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-tagline {
    font-size: 15px;
    color: var(--dark);
    max-width: 380px;
    line-height: 1.8;
    margin-bottom: 40px;
    border-left: 2px solid var(--muted);
    padding-left: 16px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── Geometric SVG ── */
.hero-graphic {
    display: flex;
    align-items: center;
    justify-content: center;
}

.geo-svg {
    width: min(380px, 100%);
    height: auto;
    opacity: 0.9;
}

.geo-ring-outer {
    transform-origin: 200px 200px;
    animation: rotateSlow 30s linear infinite;
}

.geo-hex {
    transform-origin: 200px 200px;
    animation: rotateSlow 20s linear infinite reverse;
}

.geo-pulse {
    animation: pulseDot 3s ease-in-out infinite;
}

.geo-orbit {
    transform-origin: 200px 200px;
    animation: orbitDot 12s linear infinite;
}

@keyframes rotateSlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulseDot {
    0%,
    100% {
        opacity: 0.3;
        r: 8;
    }
    50% {
        opacity: 1;
        r: 14;
    }
}

@keyframes orbitDot {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ── Hero scroll hint ── */
.hero-scroll-hint {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 60px;
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.scroll-line {
    width: 48px;
    height: 1px;
    background: var(--muted);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--dark);
    animation: scrollSlide 2s ease-in-out infinite;
}

@keyframes scrollSlide {
    0% {
        left: -100%;
    }
    50% {
        left: 0;
    }
    100% {
        left: 100%;
    }
}

/* ═══════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════ */
.btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 12px 28px;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--dark);
    color: var(--bg);
}

.btn-primary:hover {
    background: #1e2228;
}

.btn-outline {
    background: transparent;
    color: var(--dark);
    border: 1px solid var(--dark);
}

.btn-outline:hover {
    background: var(--dark);
    color: var(--bg);
}

.btn-full {
    width: 100%;
    text-align: center;
}

.btn-arrow {
    display: inline-block;
    transition: transform 0.2s;
    margin-left: 4px;
}
.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* ═══════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════ */
.about-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 64px;
    margin-bottom: 64px;
}

.about-bio {
    font-size: 14px;
    line-height: 1.9;
    color: var(--dark);
    margin-bottom: 32px;
}

.about-meta {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.meta-value {
    font-size: 13px;
    color: var(--dark);
}

.status-available {
    color: #3a7d44;
    font-weight: 700;
}

/* Skills block */
.skills-label {
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 8px 14px;
    font-size: 12px;
    transition: border-color 0.2s;
}

.skill-item:hover {
    border-color: var(--muted);
}

.skill-icon {
    font-size: 18px;
}
.skill-name {
    font-size: 11px;
    letter-spacing: 0.04em;
}

/* Certifications */
.certs-block {
    margin-top: 4px;
}

.cert-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    gap: 16px;
}

.cert-title {
    font-size: 13px;
    color: var(--dark);
}

.cert-meta {
    font-size: 11px;
    color: var(--muted);
    white-space: nowrap;
}

/* Tables */
.tables-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.table-heading {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.retro-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.retro-table th {
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 400;
    text-align: left;
    padding: 8px 12px 8px 0;
    border-bottom: 1px solid var(--border);
}

.retro-table td {
    padding: 12px 12px 12px 0;
    border-bottom: 1px solid var(--surface);
    vertical-align: top;
    color: var(--dark);
}

.retro-table tr:last-child td {
    border-bottom: none;
}

.retro-table small {
    font-size: 11px;
    color: var(--muted);
}

.badge {
    display: inline-block;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border: 1px solid;
}

.badge-active {
    color: #3a7d44;
    border-color: #3a7d44;
    background: rgba(58, 125, 68, 0.06);
}

.badge-done {
    color: var(--muted);
    border-color: var(--border);
}

/* ═══════════════════════════════════════════════
   PROJECTS
═══════════════════════════════════════════════ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card {
    border: 1px solid var(--border);
    padding: 28px;
    position: relative;
    transition:
        border-color 0.25s,
        transform 0.25s;
    background: var(--bg);
}

.project-card:hover {
    border-color: var(--dark);
    transform: translateY(-3px);
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.project-index {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.1em;
}

.project-links {
    display: flex;
    gap: 12px;
}

.project-link {
    color: var(--muted);
    transition: color 0.2s;
    display: flex;
    align-items: center;
}

.project-link:hover {
    color: var(--dark);
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: 4px;
}

.project-subtitle {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.06em;
    margin-bottom: 14px;
    text-transform: uppercase;
}

.project-desc {
    font-size: 13px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.stack-tag {
    font-size: 10px;
    letter-spacing: 0.06em;
    padding: 3px 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--dark);
}

.project-year {
    font-size: 11px;
    color: var(--muted);
    text-align: right;
}

/* ═══════════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════════ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.service-card {
    background: var(--bg);
    padding: 36px 28px;
    transition: background 0.2s;
}

.service-card:hover {
    background: var(--surface);
}

.service-icon {
    display: block;
    font-size: 24px;
    color: var(--muted);
    margin-bottom: 16px;
}

.service-title {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
    color: var(--dark);
}

.service-desc {
    font-size: 12px;
    line-height: 1.8;
    color: var(--muted);
}

/* ═══════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: start;
}

.contact-intro {
    font-size: 13px;
    line-height: 1.9;
    color: var(--muted);
    margin-bottom: 40px;
    max-width: 320px;
}

.contact-socials {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    transition: color 0.2s;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.social-link:last-child {
    border-bottom: none;
}

.social-link:hover {
    color: var(--dark);
}

/* Form */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-label {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.form-input {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--dark);
    padding: 12px 14px;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
    border-radius: var(--radius);
}

.form-input:focus {
    border-color: var(--dark);
}

.form-input::placeholder {
    color: var(--muted);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-status {
    margin-top: 12px;
    font-size: 12px;
    color: var(--muted);
    min-height: 20px;
}

.form-status.success {
    color: #3a7d44;
}
.form-status.error {
    color: #c0392b;
}

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
}

.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--muted);
}

.footer-name {
    font-weight: 700;
    color: var(--dark);
}

/* ═══════════════════════════════════════════════
   FADE-IN ON SCROLL
═══════════════════════════════════════════════ */
.fade-in {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 0.55s ease,
        transform 0.55s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .hero-graphic {
        order: -1;
    }
    .geo-svg {
        width: 260px;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .about-heading {
        display: none;
    }
    .tables-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 16px 32px 24px;
        gap: 20px;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .section {
        padding: 64px 20px;
    }
    .hero-name {
        font-size: 2.4rem;
    }
}