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

/* ── Dark mode (default) ── */
:root {
  --bg:          #070d1a;
  --surface:     #0e1825;
  --surface-2:   #162030;
  --accent:      #38bdf8;
  --accent-dim:  rgba(56,189,248,0.12);
  --accent-2:    #818cf8;
  --gradient:    linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  --text:        #e2eaf6;
  --muted:       #7a90aa;
  --border:      rgba(56,189,248,0.10);
  --border-h:    rgba(56,189,248,0.32);
  --nav-bg:      rgba(7,13,26,0.88);
  --shadow:      rgba(56,189,248,0.07);
  --radius:      12px;
  --radius-lg:   20px;
  --nav-h:       68px;
  --max-w:       1100px;
  --ease:        0.2s ease;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

/* ── Light mode ── */
[data-theme="light"] {
  --bg:          #f8fafc;
  --surface:     #ffffff;
  --surface-2:   #f1f5f9;
  --accent:      #0369a1;
  --accent-dim:  rgba(3,105,161,0.10);
  --accent-2:    #4f46e5;
  --gradient:    linear-gradient(135deg, #0369a1 0%, #4f46e5 100%);
  --text:        #0f172a;
  --muted:       #64748b;
  --border:      rgba(3,105,161,0.12);
  --border-h:    rgba(3,105,161,0.30);
  --nav-bg:      rgba(248,250,252,0.92);
  --shadow:      rgba(3,105,161,0.08);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { background: var(--bg); color: var(--text); line-height: 1.7; overflow-x: hidden; transition: background-color 0.3s ease, color 0.3s ease; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 5rem 0; }
.section-alt { background: var(--surface); }

.section-label {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.6rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.section-label::before { content: ''; display: block; width: 28px; height: 2px; background: var(--accent); border-radius: 2px; }

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 0.75rem; color: var(--text);
}
.section-sub { font-size: 1.05rem; color: var(--muted); max-width: 600px; margin-bottom: 3rem; line-height: 1.75; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  padding-bottom: 0.12em;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.72rem 1.65rem; border-radius: 8px; font-weight: 600;
  font-size: 0.95rem; text-decoration: none; transition: all var(--ease);
  cursor: pointer; border: none; white-space: nowrap;
}
.btn-primary { background: var(--gradient); color: #fff; }
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); box-shadow: 0 8px 24px var(--shadow); }
.btn-ghost { background: transparent; color: var(--accent); border: 1px solid var(--border-h); }
.btn-ghost:hover { background: var(--accent-dim); transform: translateY(-1px); }

/* ── Cards ── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.card:hover { border-color: var(--border-h); transform: translateY(-3px); box-shadow: 0 12px 40px var(--shadow); }
.card-icon { font-size: 2rem; margin-bottom: 1rem; display: block; }
.card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.card-desc { font-size: 0.875rem; color: var(--muted); line-height: 1.7; }

.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.25rem; }

/* ── Nav ── */
.nav-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h); background: var(--nav-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background var(--ease), border-color var(--ease);
}
.nav-inner { display: flex; align-items: center; gap: 1rem; height: var(--nav-h); }
.nav-brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; flex-shrink: 0; }
.nav-brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; background: var(--gradient);
  border-radius: 8px; font-weight: 800; font-size: 0.72rem; color: #fff; flex-shrink: 0;
  letter-spacing: 0.04em;
}
.nav-brand-name { font-weight: 700; font-size: 0.95rem; color: var(--text); white-space: nowrap; }
.nav-links { display: flex; gap: 0.15rem; margin-left: auto; }
.nav-links a {
  padding: 0.38rem 0.75rem; border-radius: 6px; color: var(--muted);
  text-decoration: none; font-size: 0.9rem; font-weight: 500;
  transition: color var(--ease), background var(--ease);
}
.nav-links a:hover { color: var(--text); background: var(--accent-dim); }
.nav-actions { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.lang-switcher { display: flex; gap: 0.2rem; }
.lang-btn {
  padding: 0.28rem 0.55rem; border-radius: 5px; font-size: 0.73rem;
  font-weight: 700; letter-spacing: 0.06em; text-decoration: none; color: var(--muted);
  transition: all var(--ease);
}
.lang-btn:hover, .lang-btn.active { color: var(--accent); background: var(--accent-dim); }
.theme-toggle {
  background: none; border: 1px solid var(--border-h);
  border-radius: 6px; cursor: pointer; padding: 0.32rem 0.42rem;
  color: var(--muted); display: flex; align-items: center; justify-content: center;
  transition: all var(--ease); flex-shrink: 0;
}
.theme-toggle:hover { color: var(--accent); background: var(--accent-dim); border-color: var(--accent); }
.theme-toggle svg { pointer-events: none; display: block; }
.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: 2px; background: var(--text); border-radius: 2px; }

/* ── Hero ── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: var(--nav-h); position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, var(--accent-dim) 0%, transparent 70%),
              radial-gradient(ellipse 50% 40% at 90% 60%, rgba(129,140,248,0.07) 0%, transparent 60%);
}
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 80%, transparent 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 760px; }
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 800;
  line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 1.5rem;
}
.hero-sub { font-size: 1.15rem; color: var(--muted); max-width: 560px; line-height: 1.8; margin-bottom: 2.5rem; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── About ── */
.about-grid { display: grid; grid-template-columns: 1fr 320px; gap: 4rem; align-items: start; }
.about-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--accent-dim); border: 1px solid var(--border-h);
  border-radius: 100px; padding: 0.35rem 1rem; font-size: 0.82rem;
  font-weight: 600; color: var(--accent); margin-bottom: 1.25rem;
}
.about-text p { color: var(--muted); margin-bottom: 1rem; line-height: 1.8; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; }
.stat-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem; text-align: center; }
.stat-value {
  font-size: 1.65rem; font-weight: 800; display: block; margin-bottom: 0.2rem; line-height: 1;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-value.sm { font-size: 1.1rem; }
.stat-label { font-size: 0.75rem; color: var(--muted); font-weight: 500; }
.stat-wide { grid-column: span 2; }

/* ── Services ── */
.philosophy-banner {
  background: linear-gradient(135deg, var(--accent-dim), rgba(129,140,248,0.06));
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: 1rem 1.5rem; margin-bottom: 2.25rem;
  color: var(--muted); font-style: italic; font-size: 0.95rem;
}

/* ── Why Me ── */
.whyme-header { text-align: center; margin-bottom: 3rem; }
.whyme-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem 1.5rem; text-align: center; transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease); }
.whyme-card:hover { border-color: var(--border-h); transform: translateY(-3px); box-shadow: 0 12px 40px var(--shadow); }
.whyme-icon { font-size: 2.5rem; display: block; margin-bottom: 1rem; }
.whyme-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.6rem; }
.whyme-desc { font-size: 0.875rem; color: var(--muted); line-height: 1.7; }

/* ── Rates ── */
.rates-wrap { text-align: center; margin-bottom: 3rem; }
.rates-box {
  max-width: 480px; margin: 0 auto; text-align: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 3rem 2rem; position: relative; overflow: hidden;
}
.rates-box::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient); }
.rates-price {
  font-size: 4.5rem; font-weight: 800; line-height: 1;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 0.2rem;
}
.rates-unit { font-size: 1rem; color: var(--muted); margin-bottom: 0.5rem; }
.rates-vat {
  display: inline-block; background: var(--accent-dim); border: 1px solid var(--border-h);
  border-radius: 100px; padding: 0.2rem 0.8rem; font-size: 0.78rem; font-weight: 700;
  color: var(--accent); margin-bottom: 1.75rem;
}
.rates-note { font-size: 0.875rem; color: var(--muted); margin-bottom: 2rem; line-height: 1.7; }

/* ── Contact ── */
.contact-header { text-align: center; margin-bottom: 3rem; }
.contact-sub { font-size: 1.05rem; color: var(--muted); max-width: 560px; margin: 0 auto; line-height: 1.75; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 0;
  align-items: start;
}
.contact-col-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; color: var(--text); }
.contact-direct { padding-right: 2.5rem; }
.contact-cards { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.75rem; }
.contact-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; }
.contact-card-label { font-size: 0.72rem; color: var(--accent); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.3rem; }
.contact-card-value { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.contact-email-link { color: var(--accent); text-decoration: none; }
.contact-email-link:hover { text-decoration: underline; }
.contact-direct-btn { width: 100%; justify-content: center; }
.contact-divider {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 100%; gap: 0;
  padding-top: 2.5rem;
}
.contact-divider::before, .contact-divider::after {
  content: ''; display: block; flex: 1; width: 1px;
  background: var(--border); min-height: 40px;
}
.contact-divider span {
  font-size: 0.75rem; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 0.5rem 0;
}
.contact-form-col { padding-left: 2.5rem; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { display: flex; flex-direction: column; gap: 0.35rem; }
.form-field label {
  font-size: 0.8rem; font-weight: 600; color: var(--muted);
  letter-spacing: 0.04em; text-transform: uppercase;
}
.form-field input, .form-field textarea {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.65rem 0.9rem;
  color: var(--text); font-size: 0.9rem; font-family: inherit;
  transition: border-color var(--ease), box-shadow var(--ease);
  outline: none; resize: vertical; width: 100%;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--muted); opacity: 0.65; }
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim);
}
/* Altcha CAPTCHA widget */
altcha-widget {
  --altcha-color-base:        var(--surface-2);
  --altcha-color-border:      var(--border-h);
  --altcha-color-text:        var(--text);
  --altcha-color-footertext:  var(--muted);
  --altcha-color-action-bg:   var(--surface);
  --altcha-color-focus:       var(--accent);
  display: block;
}

/* File upload */
.file-drop-zone {
  border: 2px dashed var(--border-h); border-radius: 8px;
  padding: 1.25rem 1rem; text-align: center; cursor: pointer;
  transition: border-color var(--ease), background var(--ease);
  background: var(--surface-2); user-select: none;
}
.file-drop-zone:hover, .file-drop-zone:focus { border-color: var(--accent); outline: none; }
.file-drop-zone.drag-over { border-color: var(--accent); background: var(--accent-dim); }
.file-drop-icon { font-size: 1.5rem; display: block; margin-bottom: 0.4rem; pointer-events: none; }
.file-drop-text { font-size: 0.85rem; color: var(--muted); pointer-events: none; margin: 0; }
.file-drop-link { color: var(--accent); }
.file-drop-paste { font-size: 0.78rem; color: var(--muted); opacity: 0.7; margin: 0.25rem 0 0; pointer-events: none; }
.file-hint { font-size: 0.75rem; color: var(--muted); margin-top: 0.35rem; line-height: 1.5; }
.file-list { list-style: none; display: flex; flex-direction: column; gap: 0.35rem; margin-top: 0.5rem; }
.file-list-item {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--accent-dim); border: 1px solid var(--border-h);
  border-radius: 6px; padding: 0.4rem 0.75rem; font-size: 0.8rem; gap: 0.5rem;
}
.file-list-item span { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.file-remove {
  background: none; border: none; cursor: pointer; color: var(--muted);
  font-size: 1.1rem; line-height: 1; padding: 0 0.1rem; flex-shrink: 0;
  transition: color var(--ease);
}
.file-remove:hover { color: #dc2626; }

.form-status {
  font-size: 0.875rem; border-radius: 8px;
  padding: 0; line-height: 1.5; transition: all var(--ease);
}
.form-status:not(:empty) { padding: 0.7rem 1rem; }
.form-status.success { background: rgba(34,197,94,0.12); color: #16a34a; border: 1px solid rgba(34,197,94,0.3); }
.form-status.error   { background: rgba(239,68,68,0.10);  color: #dc2626; border: 1px solid rgba(239,68,68,0.25); }
[data-theme="light"] .form-status.success { color: #15803d; background: rgba(34,197,94,0.08); }
[data-theme="light"] .form-status.error   { color: #b91c1c; background: rgba(239,68,68,0.07); }

/* ── Footer ── */
footer { background: var(--surface); border-top: 1px solid var(--border); padding: 2.5rem 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; }
.footer-brand { font-weight: 800; font-size: 1rem; color: var(--text); }
.footer-tagline { font-size: 0.82rem; color: var(--muted); margin-top: 0.25rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.85rem; color: var(--muted); text-decoration: none; transition: color var(--ease); }
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: 0.78rem; color: var(--muted); }

/* ── Legal pages ── */
.legal-content {
  max-width: 760px; margin: 0 auto; padding: 5rem 1.5rem 4rem;
}
.legal-content h1 { font-size: clamp(1.75rem, 4vw, 2.25rem); font-weight: 800; margin-bottom: 0.5rem; color: var(--text); }
.legal-content .legal-date { font-size: 0.82rem; color: var(--muted); margin-bottom: 3rem; }
.legal-content h2 { font-size: 1.1rem; font-weight: 700; margin: 2.25rem 0 0.6rem; color: var(--text); }
.legal-content p { color: var(--muted); margin-bottom: 0.9rem; line-height: 1.8; }
.legal-content a { color: var(--accent); text-decoration: underline; }
.legal-content ul { color: var(--muted); padding-left: 1.5rem; margin-bottom: 0.9rem; line-height: 1.8; }
.legal-content li { margin-bottom: 0.25rem; }
.legal-content .legal-block {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 1.5rem; margin-bottom: 1rem;
}
.legal-content .legal-block p { margin-bottom: 0.25rem; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-stats { grid-template-columns: repeat(2,1fr); }
  .nav-brand-name { display: none; }
}
/* Tablet */
@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 3rem); padding-bottom: 3.5rem; }
  .hero-sub { font-size: 1rem; }
  .rates-box { padding: 2.25rem 1.5rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
}
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-divider {
    flex-direction: row; height: 40px; padding-top: 0; width: 100%;
    margin: 0.5rem 0;
  }
  .contact-divider::before, .contact-divider::after {
    width: 100%; height: 1px; flex: 1; min-height: unset;
  }
  .contact-direct { padding-right: 0; }
  .contact-form-col { padding-left: 0; }
}
@media (max-width: 700px) {
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--nav-bg); backdrop-filter: blur(14px);
    flex-direction: column; padding: 1rem 1.5rem 1.5rem; gap: 0.25rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .form-row { grid-template-columns: 1fr; }
}
/* Mobile */
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .section { padding: 2.75rem 0; }
  .hero { padding-top: calc(var(--nav-h) + 2rem); padding-bottom: 2.5rem; }
  .hero-title { font-size: clamp(1.7rem, 9vw, 2.2rem); }
  .hero-sub { font-size: 0.95rem; margin-bottom: 2rem; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section-title { font-size: clamp(1.4rem, 6vw, 1.9rem); }
  .rates-price { font-size: 3.5rem; }
  .rates-box { padding: 2rem 1.25rem; }
  .about-stats { grid-template-columns: repeat(2,1fr); }
  .stat-value { font-size: 1.35rem; }
  .contact-direct-btn { width: 100%; justify-content: center; }
  .legal-content { padding: 3rem 1rem 3rem; }
}
@media (max-width: 580px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}