:root {
  --text-xs: clamp(.75rem, .7rem + .25vw, .875rem);
  --text-sm: clamp(.875rem, .8rem + .35vw, 1rem);
  --text-base: clamp(1rem, .95rem + .25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + .75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2.3rem, 1.5rem + 3vw, 4.5rem);
  --space-2: .5rem; --space-3: .75rem; --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem; --space-20: 5rem;
  --radius-md: .75rem; --radius-lg: 1.25rem; --radius-xl: 1.75rem; --radius-full: 9999px;
  --color-bg: #f7f6f2; --color-surface: #fbfaf7; --color-surface-2: #f0ede6; --color-border: #d4d1ca; --color-text: #241f18; --color-text-muted: #716d66; --color-primary: #0b6b6f; --color-primary-hover: #094a4d; --color-accent: #c18b2f; --color-white: #ffffff; --color-error: #9e2f57;
  --shadow-sm: 0 8px 24px rgba(36,31,24,.08); --shadow-lg: 0 20px 60px rgba(36,31,24,.12);
  --font-body: 'Plus Jakarta Sans', sans-serif; --font-display: 'Playfair Display', serif;
}
[data-theme="dark"] {
  --color-bg: #171614; --color-surface: #201f1c; --color-surface-2: #2a2926; --color-border: #3b3935; --color-text: #f3efe7; --color-text-muted: #b8b2a9; --color-primary: #5eb5b3; --color-primary-hover: #9bd3d2; --color-accent: #f1c46b; --shadow-sm: 0 8px 24px rgba(0,0,0,.28); --shadow-lg: 0 24px 70px rgba(0,0,0,.42);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); font-size: var(--text-base); background: var(--color-bg); color: var(--color-text); line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; border-radius: var(--radius-xl); }
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.section { padding: clamp(var(--space-12), 8vw, 7rem) 0; }
.skip-link { position: absolute; left: -999px; top: 0; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--color-primary); color: white; padding: .75rem 1rem; border-radius: .5rem; }
.site-header { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(16px); background: color-mix(in srgb, var(--color-bg) 88%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--color-border) 75%, transparent); }
.nav-wrap, .footer-wrap, .section-heading-row, .table-head-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.nav-wrap { min-height: 84px; }
.brand { display: flex; align-items: center; gap: .85rem; font-weight: 700; }
.brand-mark { width: 2.5rem; height: 2.5rem; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; }
.nav { display: flex; gap: 1.25rem; color: var(--color-text-muted); }
.nav-actions { display: flex; align-items: center; gap: .75rem; }
.theme-toggle, .btn { min-height: 44px; border-radius: var(--radius-full); }
.theme-toggle { min-width: 44px; border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: .85rem 1.25rem; font-size: var(--text-sm); font-weight: 700; border: 1px solid transparent; }
.btn-primary { background: var(--color-primary); color: white; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { border-color: var(--color-border); background: var(--color-surface); }
.btn-full { width: 100%; }
.hero { padding-top: clamp(3rem, 8vw, 6rem); }
.hero-grid, .contact-grid, .split-section, .timeline-grid, .detail-grid, .admin-grid-2 { display: grid; gap: var(--space-10); }
.hero-grid { grid-template-columns: 1.15fr .85fr; align-items: center; }
.eyebrow, .section-label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .12em; color: var(--color-primary); font-weight: 800; }
h1, h2 { font-family: var(--font-display); line-height: 1.05; margin: 0 0 1rem; }
h1 { font-size: var(--text-2xl); max-width: 10ch; }
h2 { font-size: var(--text-xl); max-width: 14ch; }
.hero-title { font-size: var(--text-lg); color: var(--color-text-muted); margin-bottom: 1rem; }
.hero-lead { max-width: 60ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin: 2rem 0; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding: 0; list-style: none; }
.hero-stats li, .timeline-card, .form-card, .testimonial-card, .project-card, .chip-card, .kpi-card, .admin-form-card, .login-card, .message-card { background: var(--color-surface); border: 1px solid color-mix(in srgb, var(--color-border) 75%, transparent); box-shadow: var(--shadow-sm); }
.hero-stats li { padding: 1rem; border-radius: var(--radius-lg); }
.hero-stats strong { display: block; font-size: 1.05rem; }
.hero-card { position: relative; }
.hero-card img { min-height: 540px; object-fit: cover; }
.hero-panel { position: absolute; left: 1rem; right: 1rem; bottom: 1rem; padding: 1.25rem; border-radius: var(--radius-lg); background: color-mix(in srgb, var(--color-surface) 82%, transparent); backdrop-filter: blur(12px); }
.stack-text p { margin: 0 0 1rem; color: var(--color-text-muted); }
.cards-grid.competencies { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; margin-top: 2rem; }
.chip-card { border-radius: var(--radius-full); padding: 1rem 1.2rem; text-align: center; font-weight: 700; }
.timeline-grid, .contact-grid, .detail-grid, .admin-grid-2 { grid-template-columns: repeat(2, 1fr); margin-top: 2.5rem; }
.timeline-card, .form-card, .admin-form-card, .login-card { border-radius: var(--radius-xl); padding: 1.5rem; }
.timeline-item { padding: 1rem 0; border-bottom: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent); }
.timeline-item:last-child { border-bottom: 0; }
.timeline-item span { color: var(--color-primary); font-size: var(--text-xs); font-weight: 800; text-transform: uppercase; }
.timeline-item h4 { margin: .4rem 0; font-size: 1.1rem; }
.cert-list { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }
.badge { display: inline-flex; align-items: center; padding: .5rem .85rem; border-radius: var(--radius-full); background: color-mix(in srgb, var(--color-primary) 12%, var(--color-surface)); color: var(--color-primary); font-size: var(--text-xs); font-weight: 800; }
.search-input, .form-control, input, textarea { width: 100%; padding: .9rem 1rem; border-radius: 1rem; border: 1px solid var(--color-border); background: var(--color-white); color: #111; }
[data-theme="dark"] .search-input, [data-theme="dark"] .form-control, [data-theme="dark"] input, [data-theme="dark"] textarea { background: #11100f; color: var(--color-text); }
.portfolio-grid, .testimonial-grid, .kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2rem; }
.project-card, .testimonial-card, .kpi-card { overflow: hidden; border-radius: var(--radius-xl); }
.project-body, .testimonial-card, .kpi-card { padding: 1.25rem; }
.project-meta h3, .testimonial-card h3, .admin-title, .login-title, .detail-title { margin: .8rem 0 .4rem; font-size: 1.8rem; font-family: var(--font-display); }
.project-facts, .contact-list, .admin-list { padding: 0; list-style: none; display: grid; gap: .5rem; color: var(--color-text-muted); }
.project-links, .table-actions { display: flex; gap: 1rem; margin-top: 1rem; font-weight: 700; color: var(--color-primary); flex-wrap: wrap; }
.logo-row { display: flex; flex-wrap: wrap; gap: .75rem; }
.logo-row span { padding: .8rem 1rem; border-radius: var(--radius-full); background: var(--color-surface-2); color: var(--color-text-muted); font-size: var(--text-sm); }
.testimonial-card img { width: 72px; height: 72px; border-radius: 50%; margin-bottom: 1rem; }
.contact-form { display: grid; gap: 1rem; }
.field-group { display: grid; gap: .4rem; }
.alert-success, .alert-error { margin-bottom: 1rem; padding: 1rem; border-radius: 1rem; font-weight: 700; }
.alert-success { background: color-mix(in srgb, #2d8f43 15%, var(--color-surface)); color: #2d8f43; }
.alert-error { background: color-mix(in srgb, var(--color-error) 14%, var(--color-surface)); color: var(--color-error); }
.site-footer { padding: 1.5rem 0 3rem; }
.footer-wrap { border-top: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent); padding-top: 1.5rem; color: var(--color-text-muted); }
.detail-wrap { max-width: 1100px; }
.back-link { display: inline-block; margin-bottom: 1rem; color: var(--color-primary); font-weight: 700; }
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 2rem; }
.login-shell { width: min(560px, 100%); }
.admin-body { min-height: 100vh; }
.admin-layout { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.admin-sidebar { padding: 1.5rem; background: var(--color-surface); border-right: 1px solid color-mix(in srgb, var(--color-border) 75%, transparent); display: flex; flex-direction: column; justify-content: space-between; gap: 2rem; position: sticky; top: 0; height: 100vh; }
.admin-nav, .admin-bottom-links { display: grid; gap: .75rem; margin-top: 1.5rem; }
.admin-nav a { padding: .9rem 1rem; border-radius: 1rem; background: var(--color-surface-2); }
.admin-main { padding: 2rem; }
.kpi-card span { display: block; color: var(--color-text-muted); }
.kpi-card strong { font-size: 2rem; }
.table-wrap { overflow-x: auto; }
table th, table td { text-align: left; padding: .9rem .75rem; border-bottom: 1px solid color-mix(in srgb, var(--color-border) 65%, transparent); }
.message-list { display: grid; gap: 1rem; }
.message-card { border-radius: 1rem; padding: 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.message-unread { outline: 2px solid color-mix(in srgb, var(--color-primary) 40%, transparent); }
.admin-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 0; border-bottom: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent); }
.admin-list li:last-child { border-bottom: 0; }
.admin-section { margin-bottom: 2rem; }
@media (max-width: 1100px) {
  .hero-grid, .contact-grid, .split-section, .timeline-grid, .portfolio-grid, .testimonial-grid, .cards-grid.competencies, .detail-grid, .admin-grid-2, .kpi-grid, .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid color-mix(in srgb, var(--color-border) 75%, transparent); }
}
@media (max-width: 980px) {
  .nav { display: none; }
  .hero-stats { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-wrap, .section-heading-row, .footer-wrap, .table-head-row, .message-card { flex-direction: column; align-items: flex-start; }
  .nav-actions { width: 100%; justify-content: space-between; }
  .hero-card img { min-height: 380px; }
  .admin-main { padding: 1rem; }
}