/* ============================================
   NILS BEDNORZ — American Executive Style
   Power Palette: Midnight Navy, Pure White,
   Platinum. Bold & Clean Sans-Serif only.
   No shadows, no gradients, no ornaments.
============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ---------- Tokens ---------- */
:root {
    --navy: #0a1a2e;           /* midnight navy — primary */
    --navy-deep: #060f1c;      /* darkest */
    --steel: #33608f;          /* functional steel blue, used sparingly */
    --white: #ffffff;
    --platinum: #f2f4f7;       /* subtle background grey */
    --platinum-deep: #e8ecf1;
    --text: #101828;
    --muted: #5b6675;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    --transition: 0.2s ease;
    --container-max: 1140px;
    --section-pad: 140px;
}

[data-theme="dark"] {
    --navy: #e8edf4;
    --steel: #7ea6cf;
    --white: #0a1a2e;
    --platinum: #0e2138;
    --platinum-deep: #122842;
    --text: #e8edf4;
    --muted: #93a1b4;
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    font-weight: 400;
    color: var(--text);
    background: var(--white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: background var(--transition), color var(--transition);
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
::selection { background: var(--navy); color: #fff; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

/* ---------- Accessibility ---------- */
.skip-link {
    position: absolute;
    top: -48px;
    left: 16px;
    background: var(--navy);
    color: #fff;
    padding: 12px 20px;
    z-index: 9999;
    font-weight: 600;
    font-size: 0.85rem;
    transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

:focus-visible {
    outline: 2px solid var(--steel);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1 !important; transform: none !important; }
}

/* ---------- Scroll reveal (subtle) ---------- */
.reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================
   HEADER / NAVIGATION
============================================ */
.header {
    position: sticky;
    top: 0;
    background: var(--white);
    z-index: 1000;
    transition: background var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 26px;
    padding-bottom: 26px;
    gap: 32px;
}

.logo {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    white-space: nowrap;
}
.logo-dot { color: var(--steel); }

.nav-list { display: flex; gap: 36px; align-items: center; }
.nav-list a {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
    padding: 6px 0;
    transition: color var(--transition);
}
.nav-list a:hover { color: var(--text); }

.travel-link { color: var(--steel) !important; }

.nav-cta {
    color: #fff !important;
    background: var(--navy);
    padding: 11px 22px !important;
    transition: background var(--transition);
}
[data-theme="dark"] .nav-cta { color: #0a1a2e !important; }
.nav-cta:hover { background: var(--steel); color: #fff !important; }

.nav-controls { display: flex; gap: 10px; align-items: center; }

.lang-toggle, .theme-toggle {
    background: transparent;
    border: 1px solid transparent;
    color: var(--muted);
    height: 38px;
    min-width: 38px;
    padding: 0 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    transition: color var(--transition), background var(--transition);
}
.lang-toggle:hover, .theme-toggle:hover {
    color: var(--text);
    background: var(--platinum);
}

.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: inline-block; }

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: transform var(--transition), opacity var(--transition);
    margin: 0 auto;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================================
   HERO — bold, dominant, quiet
============================================ */
.hero {
    padding: 150px 0 120px;
}
.hero-content { max-width: 960px; }

.hero-eyebrow {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: 40px;
}

.hero h1 {
    font-weight: 900;
    font-size: clamp(2.5rem, 8vw, 6rem);
    line-height: 1.0;
    letter-spacing: -0.035em;
    color: var(--text);
    margin-bottom: 36px;
}
.hero h1 span { color: var(--steel); }

.hero-subtitle {
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
    font-weight: 400;
    color: var(--muted);
    max-width: 640px;
    margin-bottom: 56px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 110px; }

.btn {
    display: inline-block;
    padding: 17px 34px;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: background var(--transition), color var(--transition);
    cursor: pointer;
}
.btn-primary { background: var(--navy); color: #fff; }
[data-theme="dark"] .btn-primary { color: #0a1a2e; }
.btn-primary:hover { background: var(--steel); color: #fff; }

.btn-secondary { background: transparent; color: var(--text); box-shadow: inset 0 0 0 2px var(--text); }
.btn-secondary:hover { background: var(--text); color: var(--white); }

/* Hero stats */
.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    max-width: 820px;
}
.hero-stat .stat-num {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--text);
    line-height: 1;
    margin-bottom: 14px;
}
.hero-stat dd {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--muted);
    line-height: 1.5;
    max-width: 210px;
}

/* ============================================
   SECTIONS — shared rhythm
============================================ */
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--platinum); }

.section-label {
    display: flex;
    align-items: baseline;
    gap: 16px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 28px;
}
.label-num {
    font-weight: 800;
    color: var(--steel);
}

.section-title {
    font-weight: 800;
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    letter-spacing: -0.03em;
    line-height: 1.08;
    color: var(--text);
    margin-bottom: 90px;
    max-width: 760px;
}

/* ============================================
   ABOUT
============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 100px;
    align-items: start;
}
.about-text p {
    margin-bottom: 28px;
    font-size: 1.1rem;
    color: var(--muted);
    max-width: 54ch;
}
.about-text strong { color: var(--text); font-weight: 700; }

.about-card {
    background: var(--platinum);
    padding: 44px 40px;
}
.section-alt .about-card { background: var(--white); }
.about-card h3 {
    font-weight: 800;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    margin-bottom: 26px;
}
.about-card ul li {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
    font-size: 0.92rem;
    gap: 20px;
}
.about-card ul li + li { border-top: 1px solid rgba(91, 102, 117, 0.18); }
.about-card ul li span { color: var(--muted); font-weight: 500; }
.about-card ul li strong { color: var(--text); font-weight: 600; text-align: right; }

/* ============================================
   EXPERIENCE — date column, pure whitespace
============================================ */
.timeline-item {
    display: grid;
    grid-template-columns: 210px 1fr;
    gap: 56px;
    padding: 56px 0;
}
.timeline-item + .timeline-item { border-top: 1px solid var(--platinum-deep); }

.timeline-date {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--steel);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding-top: 6px;
    white-space: nowrap;
}

.timeline-content h3 {
    font-weight: 800;
    color: var(--text);
    font-size: 1.45rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 8px;
}
.timeline-content h4 {
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 500;
    margin-bottom: 22px;
}
.timeline-content ul { padding-left: 20px; list-style: disc; }
.timeline-content ul li {
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 0.97rem;
    max-width: 62ch;
}
.timeline-content ul li::marker { color: var(--steel); }

/* ============================================
   SKILLS — clean dashboard-style panels
============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}
.skill-card {
    background: var(--platinum);
    padding: 36px 32px;
}
.skill-num {
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--steel);
    margin-bottom: 22px;
}
.skill-card h3 {
    font-weight: 800;
    color: var(--text);
    margin-bottom: 24px;
    font-size: 1.15rem;
    letter-spacing: -0.015em;
    line-height: 1.25;
}
.skill-card ul li {
    padding: 10px 0;
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 500;
    line-height: 1.45;
}
.skill-card ul li + li { border-top: 1px solid rgba(91, 102, 117, 0.15); }

/* ============================================
   EDUCATION
============================================ */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.edu-card {
    background: var(--white);
    padding: 48px 44px;
}
.edu-year {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--steel);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 20px;
}
.edu-card h3 {
    font-weight: 800;
    color: var(--text);
    font-size: 1.4rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 8px;
}
.edu-card h4 { color: var(--muted); font-weight: 500; margin-bottom: 20px; font-size: 0.92rem; }
.edu-card p { color: var(--muted); font-size: 0.95rem; max-width: 52ch; }

/* ============================================
   CONTACT — midnight navy, authoritative
============================================ */
.contact-section {
    background: #060f1c;
    color: #e8edf4;
}
.contact-head { max-width: 680px; margin-bottom: 80px; }
.contact-section .section-label { color: #8b98ab; }
.contact-section .label-num { color: #7ea6cf; }
.contact-section .section-title { color: #ffffff; margin-bottom: 28px; }
.contact-intro {
    font-size: 1.1rem;
    color: #9aa7b8;
    max-width: 60ch;
}

.contact-row {
    display: grid;
    grid-template-columns: 170px 1fr auto;
    align-items: center;
    gap: 28px;
    padding: 34px 0;
}
.contact-row + .contact-row { border-top: 1px solid rgba(255, 255, 255, 0.08); }
.contact-row:hover .contact-value { color: #ffffff; }
.contact-row:hover .contact-arrow { color: #7ea6cf; }

.contact-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #8b98ab;
}
.contact-value {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    color: #c6d0dd;
    word-break: break-word;
    transition: color var(--transition);
}
.contact-arrow {
    color: #46536a;
    font-size: 1.25rem;
    font-weight: 400;
    transition: color var(--transition);
}

/* ============================================
   FOOTER
============================================ */
.footer {
    background: var(--white);
    padding: 36px 0;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--muted);
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
    :root { --section-pad: 96px; }

    .nav-toggle { display: flex; order: 3; }
    .nav-controls { order: 2; margin-left: auto; }

    nav { order: 3; }
    .nav-list {
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px 32px 28px;
        transform: translateY(-130%);
        transition: transform var(--transition);
    }
    .nav-list.active { transform: translateY(0); }
    .nav-list li { width: 100%; }
    .nav-list a { display: block; padding: 16px 0; }
    .nav-list li + li a { border-top: 1px solid var(--platinum-deep); }
    .nav-cta { text-align: center; margin-top: 14px; }

    .hero { padding: 100px 0 90px; }
    .hero-cta { margin-bottom: 80px; }
    .hero-meta { grid-template-columns: 1fr; gap: 32px; }
    .hero-stat dd { max-width: none; }

    .about-grid { grid-template-columns: 1fr; gap: 64px; }
    .timeline-item { grid-template-columns: 1fr; gap: 12px; padding: 44px 0; }
    .timeline-date { padding-top: 0; }
    .edu-grid { grid-template-columns: 1fr; }

    .contact-row { grid-template-columns: 110px 1fr auto; gap: 18px; }
    .contact-value { font-size: 1.1rem; }
}

@media (max-width: 540px) {
    .container { padding: 0 22px; }
    .skills-grid { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; }
    .btn { width: 100%; text-align: center; }
    .contact-row { grid-template-columns: 1fr auto; }
    .contact-label { grid-column: 1 / -1; }
    .edu-card { padding: 36px 28px; }
    .about-card { padding: 36px 28px; }
}