/* ==========================================================================
   365 business development – Self-Service Portal
   Design tokens mirror the main 365businessdev.com site (read-only reference)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design tokens – dark (default)
   -------------------------------------------------------------------------- */
:root {
  --bd-bg-base:    #0d1117;
  --bd-bg-surface: #161b22;
  --bd-bg-raised:  #1c2330;
  --bd-bg-subtle:  #21262d;

  --bd-accent:       #64c3cb;
  --bd-accent-hover: #4dadb5;
  --bd-accent-muted: rgba(100, 195, 203, 0.12);

  --bd-blue:       #38bdf8;
  --bd-blue-muted: rgba(56, 189, 248, 0.12);

  --bd-text-1: #f0f6fc;
  --bd-text-2: #8b949e;
  --bd-text-3: #6e7681;

  --bd-border:        rgba(255, 255, 255, 0.08);
  --bd-border-strong: rgba(255, 255, 255, 0.16);

  --bd-success: #3fb950;
  --bd-warning: #d29922;
  --bd-error:   #f85149;

  --bd-shadow-sm: 0 1px 3px  rgba(0, 0, 0, 0.4);
  --bd-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --bd-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);

  --bd-transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);

  --font-sans: "Inter", system-ui, -apple-system, sans-serif;

  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --radius-full: 9999px;
}

/* --------------------------------------------------------------------------
   Light theme
   -------------------------------------------------------------------------- */
:root.light {
  --bd-bg-base:    #f6f8fa;
  --bd-bg-surface: #ffffff;
  --bd-bg-raised:  #eef1f5;
  --bd-bg-subtle:  #e6ebf1;

  --bd-accent:       #3a8f96;
  --bd-accent-hover: #2e7279;
  --bd-accent-muted: rgba(58, 143, 150, 0.1);

  --bd-blue:       #0369a1;
  --bd-blue-muted: rgba(3, 105, 161, 0.1);

  --bd-text-1: #1c2128;
  --bd-text-2: #57606a;
  --bd-text-3: #848d97;

  --bd-border:        rgba(0, 0, 0, 0.08);
  --bd-border-strong: rgba(0, 0, 0, 0.16);

  --bd-success: #1a7f37;
  --bd-warning: #9a6700;
  --bd-error:   #cf222e;

  --bd-shadow-sm: 0 1px 3px  rgba(0, 0, 0, 0.08);
  --bd-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --bd-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

/* --------------------------------------------------------------------------
   Reset & base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; border-color: var(--bd-border); }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  transition: background-color var(--bd-transition), color var(--bd-transition);
}

body {
  margin: 0;
  background-color: var(--bd-bg-base);
  color: var(--bd-text-1);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--bd-text-1);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--bd-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bd-bg-surface);
  border-bottom: 1px solid var(--bd-border);
  backdrop-filter: blur(8px);
}

.site-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-logo-link {
  display: flex;
  align-items: center;
  transition: opacity var(--bd-transition);
  flex-shrink: 0;
}

.header-logo-link:hover { opacity: 0.8; }

/* Right-side action group */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

/* DE / EN language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.lang-btn {
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--bd-text-2);
  transition: color var(--bd-transition), background-color var(--bd-transition);
  text-decoration: none;
}

.lang-btn:hover { color: var(--bd-text-1); }

.lang-btn--active {
  color: var(--bd-accent);
  background-color: rgba(100, 195, 203, 0.1);
}

.lang-sep {
  color: var(--bd-border-strong);
  user-select: none;
  font-weight: 400;
}

/* Book a meeting CTA button */
.btn-book-meeting {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bd-bg-base);
  background-color: var(--bd-accent);
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--bd-transition), transform 150ms ease;
  box-shadow: 0 1px 4px rgba(0,0,0,.25);
}

.btn-book-meeting:hover { background-color: var(--bd-accent-hover, #4fb0b8); }
.btn-book-meeting:active { transform: scale(0.96); }

@media (max-width: 540px) {
  .btn-book-meeting { display: none; }
}

/* Theme toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--bd-border);
  border-radius: var(--radius-sm);
  padding: 0.375rem;
  cursor: pointer;
  color: var(--bd-text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--bd-transition), border-color var(--bd-transition), background-color var(--bd-transition);
  width: 2rem;
  height: 2rem;
}

.theme-toggle:hover { color: var(--bd-text-1); border-color: var(--bd-border-strong); }
.theme-toggle svg { width: 1rem; height: 1rem; }

/* Show sun in dark, moon in light */
.icon-sun  { display: block; }
.icon-moon { display: none; }
:root.light .icon-sun  { display: none; }
:root.light .icon-moon { display: block; }

/* --------------------------------------------------------------------------
   Hero section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: blur(0px);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      135deg,
      rgba(13, 17, 23, 0.95) 0%,
      rgba(13, 17, 23, 0.82) 30%,
      rgba(20, 184, 166, 0.15) 100%
    ),
    linear-gradient(
      to top,
      rgba(13, 17, 23, 0.85) 0%,
      rgba(13, 17, 23, 0.5) 50%,
      rgba(13, 17, 23, 0.25) 100%
    );
}

:root.light .hero-overlay {
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.93) 0%,
      rgba(255, 255, 255, 0.78) 30%,
      rgba(20, 184, 166, 0.25) 100%
    ),
    linear-gradient(
      to top,
      rgba(255, 255, 255, 0.9) 0%,
      rgba(255, 255, 255, 0.7) 50%,
      rgba(255, 255, 255, 0.5) 100%
    );
}

.hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bd-accent);
}

.hero-title {
  font-size: clamp(1.875rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  margin: 0 0 1rem;
}

:root.light .hero-title { color: var(--bd-text-1); }

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

:root.light .hero-subtitle { color: var(--bd-text-2); }

/* --------------------------------------------------------------------------
   Main layout
   -------------------------------------------------------------------------- */
.main-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

/* --------------------------------------------------------------------------
   Form card
   -------------------------------------------------------------------------- */
.form-card {
  background-color: var(--bd-bg-surface);
  border: 1px solid var(--bd-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--bd-shadow-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 540px;
}

@media (max-width: 580px) {
  .form-card { padding: 1.75rem 1.25rem; border-radius: var(--radius-lg); }
}

/* Brand */
.brand {
  margin-bottom: 1.75rem;
}

/* Real logo images — swap dark/light based on theme */
.logo-dark  { display: block; }
.logo-light { display: none;  }
:root.light .logo-dark  { display: none;  }
:root.light .logo-light { display: block; }

/* Header logo */
.header-logo {
  height: 4rem;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

/* Form card brand logo */
.brand-logo {
  height: 2.5rem;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

/* Title & intro */
.page-title {
  font-size: clamp(1.375rem, 4vw, 1.75rem);
  margin-bottom: 0.5rem;
}

.page-intro {
  color: var(--bd-text-2);
  font-size: 0.9375rem;
  line-height: 1.55;
  margin: 0 0 1.25rem;
}

/* --------------------------------------------------------------------------
   Demo intro section
   -------------------------------------------------------------------------- */
.demo-intro {
  margin-bottom: 1.75rem;
  border: 1px solid var(--bd-border);
  border-radius: var(--radius-md);
  background-color: var(--bd-bg-raised);
  padding: 1rem 1.125rem;
}

.demo-intro-body {
  color: var(--bd-text-2);
  font-size: 0.875rem;
  line-height: 1.55;
  margin: 0 0 0.625rem;
}

.demo-details { }

.demo-details-summary {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bd-accent);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  user-select: none;
}

.demo-details-summary::-webkit-details-marker { display: none; }

.demo-details-summary::before {
  content: '';
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--bd-accent);
  border-bottom: 2px solid var(--bd-accent);
  transform: rotate(-45deg);
  transition: transform var(--bd-transition);
  margin-right: 0.125rem;
  flex-shrink: 0;
}

details[open] .demo-details-summary::before {
  transform: rotate(45deg);
}

.app-list {
  margin: 0.75rem 0 0.875rem 1.125rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.app-list li {
  color: var(--bd-text-1);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.disclaimer {
  font-size: 0.8125rem;
  color: var(--bd-text-3);
  line-height: 1.55;
  border-top: 1px solid var(--bd-border);
  padding-top: 0.75rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Form fields
   -------------------------------------------------------------------------- */
.provision-form { display: flex; flex-direction: column; gap: 1.25rem; }

.field { display: flex; flex-direction: column; gap: 0.375rem; }

.field-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--bd-text-1);
}

.field-input,
.field-select {
  background-color: var(--bd-bg-base);
  border: 1px solid var(--bd-border-strong);
  border-radius: var(--radius-md);
  color: var(--bd-text-1);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  padding: 0.625rem 0.875rem;
  width: 100%;
  transition: border-color var(--bd-transition), box-shadow var(--bd-transition);
  appearance: none;
  outline: none;
}

.field-input:focus,
.field-select:focus {
  border-color: var(--bd-accent);
  box-shadow: 0 0 0 3px var(--bd-accent-muted);
}

.field-input::placeholder { color: var(--bd-text-3); }

.field-input.input-error {
  border-color: var(--bd-error);
  box-shadow: 0 0 0 3px rgba(248, 81, 73, 0.15);
}

.select-wrapper { position: relative; }

.field-select {
  padding-right: 2.5rem;
  cursor: pointer;
}

.select-chevron {
  pointer-events: none;
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 1rem;
  color: var(--bd-text-3);
}

.field-error {
  color: var(--bd-error);
  font-size: 0.8125rem;
  line-height: 1.4;
  display: none;
}

.global-error {
  padding: 0.625rem 0.875rem;
  background-color: rgba(248, 81, 73, 0.08);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--bd-accent);
  color: var(--bd-bg-base);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  width: 100%;
  cursor: pointer;
  transition: background-color var(--bd-transition), transform var(--bd-transition), opacity var(--bd-transition);
  box-shadow: var(--bd-shadow-sm);
  margin-top: 0.5rem;
}

.btn-primary:hover:not(:disabled)  { background-color: var(--bd-accent-hover); }
.btn-primary:active:not(:disabled) { transform: scale(0.98); }
.btn-primary:disabled              { opacity: 0.55; cursor: not-allowed; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--bd-border-strong);
  border-radius: var(--radius-md);
  color: var(--bd-text-2);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  cursor: pointer;
  margin-top: 1rem;
  transition: color var(--bd-transition), border-color var(--bd-transition);
}

.btn-ghost:hover { color: var(--bd-text-1); border-color: var(--bd-border-strong); }

/* Form footer note */
.form-note {
  color: var(--bd-text-3);
  font-size: 0.8125rem;
  text-align: center;
  margin: 1.5rem 0 0;
  line-height: 1.5;
}

.app-version {
  color: var(--bd-text-3);
  font-size: 0.6875rem;
  text-align: center;
  margin: 0.5rem 0 0;
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Waiting dialog
   -------------------------------------------------------------------------- */
.waiting-dialog {
  background-color: var(--bd-bg-surface);
  border: 1px solid var(--bd-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--bd-shadow-lg);
  padding: 2.5rem 2rem;
  width: min(480px, calc(100vw - 2rem));
  max-height: 90dvh;
  overflow-y: auto;
  color: var(--bd-text-1);
}

.waiting-dialog::backdrop {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
}

.waiting-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
}

/* Coffee cup SVG */
.coffee-wrapper { display: flex; justify-content: center; }

.coffee-cup { width: 5rem; height: 5rem; }

/* Steam animation */
.steam {
  animation: steam 2s ease-in-out infinite;
  transform-origin: bottom center;
}
.steam-1 { animation-delay: 0s; }
.steam-2 { animation-delay: 0.4s; }
.steam-3 { animation-delay: 0.8s; }

@keyframes steam {
  0%, 100% { opacity: 0; transform: translateY(0) scaleY(1); }
  30%       { opacity: 0.7; transform: translateY(-4px) scaleY(1.15); }
  60%       { opacity: 0; transform: translateY(-10px) scaleY(0.8); }
}

/* Status indicator */
.waiting-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--bd-text-2);
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--bd-accent);
  animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

/* Rotating message */
.waiting-message {
  color: var(--bd-text-2);
  font-size: 0.9375rem;
  font-style: italic;
  min-height: 3rem;
  margin: 0;
  transition: opacity 0.25s ease;
}

/* Confirmation text */
.waiting-confirmation {
  color: var(--bd-text-1);
  font-size: 0.9375rem;
  font-weight: 500;
  margin: 0;
  padding: 1rem 1.25rem;
  background-color: var(--bd-accent-muted);
  border: 1px solid rgba(100, 195, 203, 0.25);
  border-radius: var(--radius-md);
  line-height: 1.5;
}

/* Progress shimmer */
.waiting-progress {
  width: 100%;
  align-self: stretch;
  height: 3px;
  background-color: var(--bd-bg-raised);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, transparent, var(--bd-accent), transparent);
  border-radius: var(--radius-full);
  animation: shimmer 2.5s ease-in-out infinite;
}

@keyframes shimmer {
  0%   { transform: translateX(-150%); }
  100% { transform: translateX(350%); }
}

/* Result states (success / failed) */
.dialog-result-icon {
  font-size: 2.5rem;
  line-height: 1;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.5rem;
  background-color: rgba(100, 195, 203, 0.15);
  color: var(--bd-accent);
  border: 2px solid var(--bd-accent);
}

.dialog-result-icon--error {
  background-color: rgba(220, 53, 69, 0.12);
  color: #dc3545;
  border-color: #dc3545;
}

.dialog-result-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--bd-text-1);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--bd-border);
  padding: 1.25rem 1.5rem;
  margin-top: auto;
}

.site-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--bd-text-3);
}

.footer-nav {
  display: flex;
  gap: 1.25rem;
}

.footer-nav a {
  font-size: 0.8125rem;
  color: var(--bd-text-3);
  transition: color var(--bd-transition);
}

.footer-nav a:hover { color: var(--bd-text-1); }