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

:root {
    --bg: #0a0a0a;
    --bg-2: #111111;
    --text: #ebebeb;
    --muted: #888;
    --accent: #22c55e;
    --accent-dark: #16a34a;
    --border: #222;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --max-w: 1100px;
    --radius: 6px;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
    background: var(--accent);
    color: #000;
}
.btn-primary:hover { background: var(--accent-dark); }

/* ===== HEADER / NAV ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
    text-decoration: none;
    flex-shrink: 0;
}
.nav-logo:hover { text-decoration: none; color: var(--accent); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    margin-left: auto;
}
.nav-links a {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links .lang-switch {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
}

.nav-cta { margin-left: 1rem; padding: 0.5rem 1.1rem; font-size: 0.875rem; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===== SECTIONS ===== */
section { padding: 4.5rem 0; }
section:first-of-type { padding-top: 7rem; }

.section-header {
    margin-bottom: 3.5rem;
}
.section-header h2 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}
.section-sub {
    color: var(--muted);
    font-size: 1.05rem;
}

/* ===== HERO ===== */
.hero { background: var(--bg); min-height: 90vh; display: flex; align-items: center; }

.hero-headline {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.hero-sub {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--muted);
    max-width: 560px;
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

.hero-cta { font-size: 1rem; padding: 0.875rem 1.75rem; }

.hero-location {
    margin-top: 1.25rem;
    color: var(--muted);
    font-size: 0.875rem;
}

/* ===== PAIN / SYMPTOMS ===== */
.pain { background: var(--bg); }

.pain-inner { max-width: 720px; margin: 0 auto; }

.pain-headline {
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2.5rem;
}

.pain-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}
.pain-list li {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.6;
    padding-left: 1.25rem;
    position: relative;
}
.pain-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.pain-bridge {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
}

/* ===== SERVICES ===== */
.services { background: var(--bg-2); }

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: border-color 0.2s;
}
.service-card:hover { border-color: var(--accent); }

.service-type {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
}

.service-card h3 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 700;
    line-height: 1.2;
}

.service-card > p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.6;
}

.service-fit { display: flex; flex-direction: column; gap: 0.75rem; }

.service-fit h4 {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.service-fit ul { display: flex; flex-direction: column; gap: 0.65rem; }
.service-fit li {
    color: var(--text);
    font-size: 0.93rem;
    line-height: 1.5;
    padding-left: 1rem;
    position: relative;
}
.service-fit li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.service-format {
    font-size: 0.85rem;
    color: var(--muted);
    border-top: 1px solid var(--border);
    padding-top: 1.25rem;
    margin-top: auto;
}

.services-footer {
    border-top: 1px solid var(--border);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 480px;
    margin: 0 auto;
    align-items: center;
    text-align: center;
}
.services-footer > p {
    color: var(--muted);
    font-size: 0.95rem;
}

/* ===== ABOUT ===== */
.about { background: var(--bg); }
.about-inner { max-width: 680px; margin: 0 auto; }

.about-inner h3 {
    font-size: clamp(1.3rem, 2.2vw, 1.75rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-wrap: balance;
}

.about-inner > p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.75;
    margin-bottom: 1rem;
}

.about-track {
    margin-top: 2.5rem;
    border-top: 1px solid var(--border);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.about-track p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.75;
}
.about-track strong { color: var(--text); }

/* ===== WORK ===== */
.work { background: var(--bg-2); }

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.work-grid.work-single {
    grid-template-columns: 1fr;
    max-width: 680px;
    margin: 0 auto;
}

.work-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: border-color 0.2s;
}
.work-card:hover { border-color: var(--accent); }

.work-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
}

.work-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
}

.work-card p {
    color: var(--muted);
    font-size: 0.93rem;
    line-height: 1.65;
    flex: 1;
}

.work-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}
.work-stack span {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--muted);
}

.work-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    margin-top: 0.5rem;
}
.work-link:hover { color: var(--accent); text-decoration: none; }

/* ===== CONTACT ===== */
.contact { background: var(--bg); }
.contact-inner { max-width: 560px; margin: 0 auto; }

.contact-inner h3 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-inner > p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-linkedin {
    margin-top: 1.25rem;
    color: var(--muted);
    font-size: 0.9rem;
}
.contact-linkedin a { color: var(--text); }
.contact-linkedin a:hover { color: var(--accent); }

/* ===== FOOTER ===== */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
}
.footer-container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-copy { color: var(--muted); font-size: 0.85rem; }
.footer-links { display: flex; gap: 1.5rem; align-items: center; }
.footer-links a { color: var(--muted); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text); text-decoration: none; }

.footer-links .lang-item a { color: var(--muted); }
.footer-links .lang-item.current-lang a { color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    section { padding: 3.5rem 0; }

    .nav-toggle { display: flex; }
    .nav-cta { display: none; }

    .nav-links {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 1.25rem;
        margin-left: 0;
    }
    .nav-links.open { display: flex; }
    .nav-links a { font-size: 1rem; }

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

    .footer-container { flex-direction: column; gap: 1rem; text-align: center; }
}