/* ═══════════════════════════════════════════════════════════
   ICCOM Voce — Design System v3
   Aligned with ICCOM Portal Brandbook 2026
   ═══════════════════════════════════════════════════════════ */

:root {
  /* ── ICCOM Brandbook 2026 — Core Palette ── */
  --primary: #13263F;        /* Navy */
  --primary-light: #1E3A5F;
  --primary-lighter: #2C4A70;
  --navy-dark: #0C1A2E;

  /* vPBX brand accent: Voice Purple */
  --accent: #8E44AD;
  --accent-dark: #7D3C98;
  --accent-light: rgba(142, 68, 173, 0.12);
  --accent-lighter: rgba(142, 68, 173, 0.06);
  --accent-glow: rgba(142, 68, 173, 0.25);

  /* ICCOM Blue — primary CTA colour (portal-aligned) */
  --iccom-blue: #299BD5;
  --iccom-blue-light: #E3F2FD;

  /* Backgrounds & Grays */
  --bg-white: #FFFFFF;
  --bg-light: #F4F7FA;    /* matches portal --light-bg */
  --bg-lighter: #EDF2F7;
  --white: #FFFFFF;        /* alias for templates */
  --light: #F4F7FA;        /* alias for templates */
  --border: #E0E6ED;       /* matches portal --border */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray: #6B7280;          /* alias for templates */
  --gray-dark: #374151;

  /* Status Colors (portal-aligned) */
  --success: #27AE60;
  --warning: #F39C12;
  --danger: #E74C3C;
  --info: #3498DB;

  /* Typography */
  --font-primary: 'Nunito Sans', 'Quicksand', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Quicksand', 'Nunito Sans', sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', 'Courier New', ui-monospace, monospace;
  --font-stack: var(--font-primary); /* alias used in dashboard HTML */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Shadows (portal-aligned) */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
  --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);       /* portal alias */
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12); /* portal alias */

  /* Border Radii (portal-aligned) */
  --radius-sm: 6px;
  --radius: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Typography ────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

h1 { font-size: 3.5rem; font-weight: var(--font-weight-extrabold); letter-spacing: -1px; }
h2 { font-size: 2.5rem; font-weight: var(--font-weight-bold); }
h3 { font-size: 1.875rem; font-weight: var(--font-weight-bold); }
h4 { font-size: 1.375rem; font-weight: var(--font-weight-semibold); }
h5 { font-size: 1.125rem; font-weight: var(--font-weight-semibold); }
h6 { font-size: 1rem; font-weight: var(--font-weight-semibold); }

p { line-height: 1.7; color: var(--gray-600); }
a { color: var(--accent); text-decoration: none; transition: color var(--transition-base); }
a:hover { color: var(--accent-dark); }

/* ── Hero Section ─────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary-lighter) 100%);
  position: relative;
  overflow: hidden;
  color: var(--bg-white);
  padding: 7rem 2rem;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(142, 68, 173, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, var(--accent-light) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3.5rem;
  color: var(--bg-white);
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -1px;
  font-weight: var(--font-weight-extrabold);
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  position: relative;
  overflow: hidden;
  user-select: none;
  letter-spacing: -0.25px;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background var(--transition-base);
}

.btn:hover::before {
  background: rgba(255, 255, 255, 0.1);
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--bg-white);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(142, 68, 173, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background: var(--bg-white);
  color: var(--primary);
  border: 2px solid var(--bg-white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary:hover {
  background: transparent;
  color: var(--bg-white);
  transform: translateY(-2px);
}

/* Success Button */
.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  color: var(--bg-white);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

/* Button States */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

/* ── Section Styling ───────────────────────────────────── */
.section {
  padding: 5rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.section h2 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  text-align: center;
  letter-spacing: -0.5px;
}

.section h3 {
  font-size: 1.875rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.section p {
  font-size: 1.0625rem;
  color: var(--gray-600);
  line-height: 1.8;
}

.section-alt {
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-lighter) 100%);
  max-width: none;
  padding: 5rem 2rem;
}

/* ── Cards ────────────────────────────────────────────── */
.card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-lighter) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card:hover::before {
  opacity: 1;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card-accent {
  border-left: 4px solid var(--accent);
}

.card-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ── Forms ────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--primary);
  font-size: 0.95rem;
  letter-spacing: -0.25px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 12px;
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--gray-800);
  background: var(--bg-white);
  transition: all var(--transition-base);
}

.form-group input::placeholder,
.form-group select::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-lighter), inset 0 0 0 1px var(--accent);
  background: var(--bg-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-group .error-msg {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: none;
  font-weight: var(--font-weight-medium);
}

.form-group.has-error input,
.form-group.has-error select {
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.05);
}

.form-group.has-error input:focus,
.form-group.has-error select:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.has-error .error-msg {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* ── Tables ───────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.9375rem;
}

.data-table th {
  font-weight: var(--font-weight-semibold);
  color: var(--gray-600);
  background: var(--bg-lighter);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background: var(--bg-light);
}

/* ── Badges & Status ───────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.25px;
}

.status {
  padding: 0.375rem 0.875rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-active {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
}

.status-pending {
  background: rgba(245, 158, 11, 0.1);
  color: #92400e;
}

.status-provisioning {
  background: rgba(59, 130, 246, 0.1);
  color: #1e40af;
}

.status-suspended {
  background: rgba(245, 158, 11, 0.1);
  color: #92400e;
}

.status-cancelled {
  background: rgba(239, 68, 68, 0.1);
  color: #7f1d1d;
}

/* ── Footer ───────────────────────────────────────────── */
footer {
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--bg-white);
  padding: 4rem 2rem 2rem;
  margin-top: 5rem;
  border-top: 1px solid var(--accent-light);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-content h3 {
  color: var(--bg-white);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.footer-content p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--bg-white);
}

.footer-legal {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ── Cookie Banner ────────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(19, 38, 63, 0.95);
  backdrop-filter: blur(12px);
  color: var(--bg-white);
  padding: 1.5rem 2rem;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: 0.9375rem;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cookie-banner.visible {
  display: flex;
}

.cookie-banner a {
  color: var(--accent);
  text-decoration: underline;
  font-weight: var(--font-weight-semibold);
}

.cookie-banner button {
  padding: 0.625rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  font-size: 0.875rem;
  font-family: var(--font-primary);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.cookie-accept {
  background: var(--accent);
  color: var(--bg-white);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.cookie-accept:hover {
  box-shadow: 0 6px 16px rgba(142, 68, 173, 0.35);
  transform: translateY(-1px);
}

.cookie-decline {
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-decline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ── Responsive Design ────────────────────────────────── */
@media (max-width: 1024px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2rem;
  }

  .section {
    padding: 4rem 1.5rem;
  }

  .section-alt {
    padding: 4rem 1.5rem;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.375rem;
  }

  .hero {
    padding: 4rem 1.5rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero p {
    font-size: 1.0625rem;
  }

  .section {
    padding: 3rem 1.5rem;
  }

  .section-alt {
    padding: 3rem 1.5rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .btn {
    padding: 0.8125rem 1.75rem;
    width: 100%;
  }

  .btn-sm {
    padding: 0.5rem 1rem;
    width: auto;
  }

  footer {
    padding: 3rem 1.5rem 1.5rem;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .cookie-banner {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 1.5rem;
  }

  .cookie-banner button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.875rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  h4 {
    font-size: 1.125rem;
  }

  .hero {
    padding: 3rem 1rem;
  }

  .hero h1 {
    font-size: 1.875rem;
  }

  .section {
    padding: 2.5rem 1rem;
  }

  .section-alt {
    padding: 2.5rem 1rem;
  }

  .card {
    padding: 1.5rem;
  }

  .btn {
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 0.75rem 0.875rem;
  }

  footer {
    padding: 2rem 1rem 1rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}

/* ── Print Styles ────────────────────────────────────── */
@media print {
  footer,
  .cookie-banner {
    display: none;
  }

  body {
    background: var(--bg-white);
  }

  .card {
    box-shadow: none;
    border: 1px solid var(--gray-200);
  }
}

/* ── Utility Classes ─────────────────────────────────── */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.max-w-full { max-width: 100%; }
.max-w-lg { max-width: 32rem; }
.max-w-2xl { max-width: 42rem; }