/* ==========================================================================
   VPSystech — tech-minimal design system
   ========================================================================== */

:root {
  /* surfaces */
  --bg:           #050816;
  --bg-elev:      #0a1228;
  --surface:      rgba(255, 255, 255, 0.025);
  --surface-2:    rgba(255, 255, 255, 0.045);

  /* lines */
  --line:         rgba(108, 229, 248, 0.10);
  --line-strong:  rgba(108, 229, 248, 0.22);
  --line-soft:    rgba(255, 255, 255, 0.06);

  /* text */
  --text:         #e6ecff;
  --text-dim:     #b6c0db;
  --muted:        #6e7a99;
  --mono-dim:     #5a6685;

  /* brand */
  --primary:      #21b7ff;
  --secondary:    #6ce5f8;
  --accent:       #1547d7;

  /* state */
  --ok:           #7ef0b1;
  --danger:       #ff9d9d;

  /* metrics */
  --radius:       6px;
  --radius-lg:    10px;
  --max:          1200px;
  --nav-h:        88px;

  /* type */
  --font-sans:    'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

/* ==========================================================================
   Reset / base
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "ss02", "cv11";
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(to right,  rgba(108, 229, 248, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(108, 229, 248, 0.04) 1px, transparent 1px),
    radial-gradient(ellipse at 50% -10%, rgba(33, 183, 255, 0.10), transparent 55%);
  background-size: 64px 64px, 64px 64px, auto;
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }

::selection { background: var(--primary); color: var(--bg); }

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

main { padding-top: 24px; }

/* mono helper — the visual signature of the design */
.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--mono-dim);
}
.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 8, 22, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.brand img {
  height: 60px;
  width: auto;
  object-fit: contain;
  display: block;
}

.menu {
  display: flex;
  align-items: center;
  gap: 36px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--text-dim);
}

.menu > a,
.menu-dropdown-toggle {
  position: relative;
  padding: 6px 0;
  transition: color .18s ease;
}

.menu > a::before,
.menu-dropdown-toggle::before {
  content: "/ ";
  color: var(--mono-dim);
}

.menu > a:hover,
.menu-dropdown-toggle:hover { color: var(--text); }

/* dropdown */
.menu-dropdown {
  position: relative;
}
.menu-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.menu-dropdown-toggle::after {
  content: "▾";
  font-size: 0.72rem;
  color: var(--mono-dim);
}

.menu-dropdown-list {
  position: absolute;
  top: calc(100% + 14px);
  left: -14px;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  padding: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 24px 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
  z-index: 80;
}
.menu-dropdown-list a {
  padding: 10px 14px;
  border-radius: 4px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.menu-dropdown-list a:hover {
  color: var(--text);
  background: var(--surface-2);
}
.menu-dropdown:hover > .menu-dropdown-list,
.menu-dropdown:focus-within > .menu-dropdown-list {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* "Entrar" button-style menu item */
.menu .menu-cta {
  padding: 10px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  transition: all .18s ease;
}
.menu .menu-cta::before { content: ""; }
.menu .menu-cta:hover {
  background: var(--secondary);
  color: var(--bg);
  border-color: var(--secondary);
}

.user-greeting {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(108, 229, 248, 0.06);
  color: var(--secondary);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}
.user-greeting::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
}

/* mobile menu toggle */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.menu-toggle svg { width: 22px; height: 22px; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  font-weight: 500;
  cursor: pointer;
  transition: all .18s ease;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--secondary);
  color: var(--bg);
  border-color: var(--secondary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--secondary);
  color: var(--text);
}

.btn-arrow::after {
  content: "→";
  font-family: var(--font-mono);
  transition: transform .18s ease;
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 96px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 56px;
  align-items: center;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--mono-dim);
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--secondary);
}

h1 {
  margin: 0 0 24px;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.035em;
  font-weight: 500;
  max-width: 14ch;
}

h1 .hl {
  color: var(--secondary);
  font-style: normal;
}

.hero-lead {
  margin: 0 0 36px;
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 52ch;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* terminal-style status panel (replaces the old visual-panel) */
.status-panel {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.status-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(108, 229, 248, 0.05);
  border-bottom: 1px solid var(--line);
  color: var(--mono-dim);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.status-panel-head::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px var(--ok);
}
.status-panel-body {
  padding: 22px 16px;
  display: grid;
  gap: 14px;
}
.status-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  align-items: baseline;
}
.status-row dt {
  color: var(--mono-dim);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}
.status-row dd {
  margin: 0;
  color: var(--text);
  font-size: 0.86rem;
}
.status-row dd .ok { color: var(--ok); }

/* ==========================================================================
   Sections
   ========================================================================== */

section {
  padding: 56px 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 40px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  letter-spacing: -0.02em;
  font-weight: 500;
}
.section-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--secondary);
  letter-spacing: 0.06em;
}

/* capability cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cap {
  padding: 32px 28px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 220px;
  transition: background .2s ease;
}
.cap:hover { background: var(--bg-elev); }
.cap-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mono-dim);
  letter-spacing: 0.06em;
}
.cap h3 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.cap p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.94rem;
  line-height: 1.55;
}

/* CTA section */
.cta {
  padding: 48px 0 96px;
}
.cta-box {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 44px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(33, 183, 255, 0.06), transparent 60%),
    var(--surface);
}
.cta-box h2 {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  letter-spacing: -0.02em;
  font-weight: 500;
}
.cta-box p {
  margin: 0;
  color: var(--text-dim);
  max-width: 52ch;
}
.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mono-dim);
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer .build {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.site-footer .build::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 6px var(--ok);
}

/* ==========================================================================
   Auth & Contact pages — single-column, centered
   ========================================================================== */

.auth-section {
  padding: 64px 0 96px;
  display: flex;
  justify-content: center;
}
.auth-shell {
  width: 100%;
  max-width: 520px;
}
.auth-shell.wide {
  max-width: 640px;
}

.auth-head {
  margin-bottom: 32px;
}
.auth-head .mono-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.auth-head .mono-tag::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--secondary);
}
.auth-head h1 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.025em;
  font-weight: 500;
}
.auth-head p {
  margin: 0;
  color: var(--text-dim);
  max-width: 60ch;
}

.form-card {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 32px;
  background: var(--surface);
}

.auth-form,
.contact-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.field-full { grid-column: 1 / -1; }

.field {
  display: grid;
  gap: 8px;
}
.field label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--text-dim);
}
.field label::before {
  content: "// ";
  color: var(--mono-dim);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 13px 14px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.5;
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--muted);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(108, 229, 248, 0.12);
}
.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--mono-dim) 50%),
                    linear-gradient(135deg, var(--mono-dim) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 36px;
}

.dynamic-block {
  display: none;
  grid-column: 1 / -1;
  gap: 18px;
  grid-template-columns: repeat(2, 1fr);
}
.dynamic-block.active { display: grid; }

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.check-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--secondary);
}
.check-row label {
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--text-dim);
}
.check-row label::before { content: ""; }
.check-row label a { color: var(--secondary); }

.turnstile-box {
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: var(--radius);
  padding: 16px;
}
.turnstile-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.turnstile-label::before {
  content: "// ";
  color: var(--mono-dim);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.form-message {
  display: none;
  padding: 12px 14px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.form-message.show { display: block; }
.form-message.info {
  background: rgba(126, 240, 177, 0.08);
  border: 1px solid rgba(126, 240, 177, 0.25);
  color: #d6ffea;
}
.form-message.error {
  background: rgba(255, 157, 157, 0.08);
  border: 1px solid rgba(255, 157, 157, 0.25);
  color: #ffd8d8;
}

.auth-footer {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--mono-dim);
  text-align: center;
}
.auth-footer a {
  color: var(--secondary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 980px) {
  .hero { padding: 64px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-3 .cap { border-bottom: 1px solid var(--line); }
  .grid-3 .cap:last-child { border-bottom: none; }
  .cta-box { grid-template-columns: 1fr; padding: 32px; }
  .form-grid { grid-template-columns: 1fr; }
  .dynamic-block { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  :root { --nav-h: 72px; }
  .brand img { height: 48px; }
  .menu-toggle { display: inline-flex; }
  .menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--line-strong);
  }
  .menu.open { display: flex; }
  .menu > a,
  .menu .menu-cta,
  .menu-dropdown {
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
  }
  .menu .menu-cta { border-radius: 0; background: transparent; border: none; border-bottom: 1px solid var(--line); }
  .menu-dropdown-list {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 8px 0 0 16px;
  }
  .form-card { padding: 24px; }
  .actions .btn,
  .hero-actions .btn,
  .cta-actions .btn { flex: 1; min-width: 0; }
}
.site-footer .footer-links {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  opacity: 0.85;
}
.site-footer .footer-links a { color: inherit; text-decoration: none; }
.site-footer .footer-links a:hover { text-decoration: underline; }