/* =====================
   Business Nextcloud Kalkulator – CSS
   ===================== */

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-navy:          #004266;
  --color-navy-dark:     #002d47;
  --color-navy-light:    #005a8a;
  --color-orange:        #FFA106;
  --color-orange-hover:  #e08e00;
  --color-white:         #ffffff;
  --color-bg-light:      #f4f6f9;
  --color-bg-section:    #eef2f7;
  --color-text:          #1a1a1a;
  --color-text-muted:    #5a6a7a;
  --color-border:        #d8e2ec;
  --color-success:       #0a8754;
  --color-success-bg:    #e6f7ef;
  --color-error:         #c0392b;
  --color-error-bg:      #fdecea;
  --font-primary:        -apple-system, BlinkMacSystemFont, "Segoe UI",
                         "Helvetica Neue", Arial, sans-serif;
  --spacing-section:     clamp(3rem, 6vw, 5rem);
  --max-width:           1200px;
  --max-width-narrow:    780px;
  --border-radius:       12px;
  --border-radius-lg:    20px;
  --shadow-card:         0 4px 24px rgba(26,58,92,0.08);
  --shadow-hover:        0 8px 40px rgba(26,58,92,0.16);
  --transition:          0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Embedded mode: no background, tight padding */
body.embedded {
  background: transparent;
}
body.embedded .standalone-only { display: none !important; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* =====================
   NAVIGATION (standalone only)
   ===================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-nav.scrolled {
  border-color: var(--color-border);
  box-shadow: 0 2px 12px rgba(26,58,92,0.08);
}
.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo svg { height: 28px; width: auto; }
.nav-links {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  margin-left: auto;
}
.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--color-navy); }
.nav-toggle { display: none; }

/* =====================
   BUTTONS
   ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }
.btn-lg { padding: 1rem 2.25rem; font-size: 1.05rem; border-radius: 14px; }
.btn-primary { background: var(--color-orange); color: #fff; border-color: var(--color-orange); }
.btn-primary:hover:not(:disabled) { background: var(--color-orange-hover); border-color: var(--color-orange-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(255,161,6,0.4); }
.btn-ghost { background: transparent; color: var(--color-navy); border-color: var(--color-navy); }
.btn-ghost:hover:not(:disabled) { background: var(--color-navy); color: #fff; }

/* =====================
   HERO (standalone only)
   ===================== */
.hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: #fff;
  padding: clamp(3rem, 8vw, 5rem) 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 60% 0%, rgba(255,161,6,0.12) 0%, transparent 60%); pointer-events: none; }
.hero-container { max-width: var(--max-width-narrow); margin: 0 auto; position: relative; }
.hero-eyebrow { display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.7); margin-bottom: 1.25rem; }
.hero-headline { font-size: clamp(1.75rem, 5vw, 3rem); font-weight: 900; line-height: 1.12; margin-bottom: 1rem; letter-spacing: -0.02em; }
.hero-headline em { font-style: normal; color: var(--color-orange); }
.hero-sub { font-size: clamp(0.95rem, 2vw, 1.15rem); color: rgba(255,255,255,0.8); margin: 0 auto; max-width: 560px; line-height: 1.65; }

/* =====================
   TRUST BAR (standalone only)
   ===================== */
.trust-bar { background: var(--color-bg-light); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.trust-bar .section-container { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.trust-stats { display: flex; justify-content: center; gap: clamp(1.5rem, 4vw, 4rem); flex-wrap: wrap; }
.trust-stat { text-align: center; }
.stat-number { display: block; font-size: 1.1rem; font-weight: 800; color: var(--color-navy); }
.stat-label { font-size: 0.75rem; color: var(--color-text-muted); font-weight: 500; }

/* =====================
   SECTION UTILITIES
   ===================== */
.section-container { max-width: var(--max-width); margin: 0 auto; padding: var(--spacing-section) 1.5rem; }
body.embedded .section-container { padding: 0.5rem 0; }
.section-eyebrow { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-orange); margin-bottom: 0.75rem; }
.section-headline { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 800; color: var(--color-navy); line-height: 1.2; margin-bottom: 0.75rem; }

/* =====================
   CALCULATOR LAYOUT
   ===================== */
.calculator-section { background: var(--color-white); }
body.embedded .calculator-section { background: transparent; }
.calculator-layout { display: grid; grid-template-columns: 1fr 380px; gap: 2.5rem; align-items: start; }
.calculator-main { min-width: 0; }
.price-sidebar { position: sticky; top: 100px; }
body.embedded .price-sidebar { top: 20px; }

/* =====================
   STEP INDICATORS
   ===================== */
.steps-indicator { display: flex; gap: 0; margin-bottom: 2.5rem; border-bottom: 2px solid var(--color-border); }
.step-tab { flex: 1; padding: 1rem 1.5rem; text-align: center; font-weight: 600; font-size: 0.9rem; color: var(--color-text-muted); cursor: default; position: relative; transition: color var(--transition); border: none; background: none; font-family: var(--font-primary); }
.step-tab.active { color: var(--color-navy); }
.step-tab.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 3px; background: var(--color-orange); border-radius: 2px 2px 0 0; }
.step-tab .step-num { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; background: var(--color-border); color: var(--color-text-muted); font-size: 0.8rem; font-weight: 700; margin-right: 0.5rem; transition: all var(--transition); }
.step-tab.active .step-num { background: var(--color-navy); color: #fff; }
.step-tab.completed .step-num { background: var(--color-success); color: #fff; }

.step-panel { display: none; }
.step-panel.active { display: block; }

/* =====================
   CONFIGURATION
   ===================== */
.config-group { margin-bottom: 2rem; }
.config-group-label { font-size: 0.85rem; font-weight: 700; color: var(--color-navy); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.config-group-label svg { width: 18px; height: 18px; color: var(--color-orange); }

.user-count-wrapper { display: flex; align-items: center; gap: 1rem; background: var(--color-bg-light); border: 2px solid var(--color-border); border-radius: var(--border-radius); padding: 1rem 1.25rem; transition: border-color var(--transition); }
.user-count-wrapper:focus-within { border-color: var(--color-navy); }
.user-count-wrapper label { font-weight: 600; color: var(--color-navy); font-size: 0.95rem; white-space: nowrap; }
.user-count-input { width: 100px; padding: 0.5rem 0.75rem; border: 2px solid var(--color-border); border-radius: 8px; font-family: var(--font-primary); font-size: 1.1rem; font-weight: 700; color: var(--color-navy); text-align: center; background: #fff; transition: border-color var(--transition); -moz-appearance: textfield; }
.user-count-input::-webkit-outer-spin-button, .user-count-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.user-count-input:focus { outline: none; border-color: var(--color-navy); }
.user-count-hint { font-size: 0.8rem; color: var(--color-text-muted); margin-left: auto; }

/* Option cards */
.option-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.option-card { display: flex; align-items: center; gap: 0.875rem; padding: 1rem 1.25rem; background: var(--color-bg-light); border: 2px solid var(--color-border); border-radius: var(--border-radius); cursor: pointer; transition: all var(--transition); user-select: none; }
.option-card:hover { border-color: var(--color-navy-light); }
.option-card.selected { border-color: var(--color-navy); background: rgba(0,66,102,0.04); }
.option-card.mandatory { border-color: var(--color-navy); background: rgba(0,66,102,0.06); cursor: default; }
.option-card input[type="checkbox"] { display: none; }
.option-check { width: 22px; height: 22px; border: 2px solid var(--color-border); border-radius: 6px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: all var(--transition); background: #fff; }
.option-card.selected .option-check, .option-card.mandatory .option-check { background: var(--color-navy); border-color: var(--color-navy); }
.option-check svg { width: 14px; height: 14px; color: #fff; opacity: 0; transition: opacity var(--transition); }
.option-card.selected .option-check svg, .option-card.mandatory .option-check svg { opacity: 1; }
.option-info { flex: 1; min-width: 0; }
.option-name { font-weight: 600; font-size: 0.9rem; color: var(--color-navy); display: block; }
.option-price-tag { font-size: 0.8rem; color: var(--color-text-muted); }
.option-mandatory-badge { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; background: var(--color-navy); color: #fff; padding: 0.15rem 0.5rem; border-radius: 4px; }

/* =====================
   PRICE SIDEBAR
   ===================== */
.price-card { background: var(--color-bg-light); border: 2px solid var(--color-border); border-radius: var(--border-radius-lg); padding: 2rem; transition: box-shadow var(--transition); }
.price-card:hover { box-shadow: var(--shadow-card); }
.price-card-title { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); margin-bottom: 1.5rem; }
.price-main { text-align: center; margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--color-border); }
.price-amount { font-size: 2.75rem; font-weight: 900; color: var(--color-navy); line-height: 1; }
.price-amount .currency { font-size: 1.5rem; vertical-align: top; }
.price-period { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 0.25rem; }
.price-per-user { font-size: 0.9rem; color: var(--color-navy-light); font-weight: 600; margin-top: 0.5rem; }
.price-details { margin-bottom: 1.5rem; }
.price-line { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 0; font-size: 0.85rem; color: var(--color-text-muted); }
.price-line + .price-line { border-top: 1px solid var(--color-border); }
.price-line-value { font-weight: 600; color: var(--color-text); }
.discount-badge { display: inline-flex; align-items: center; gap: 0.35rem; background: var(--color-success-bg); color: var(--color-success); font-size: 0.8rem; font-weight: 700; padding: 0.3rem 0.75rem; border-radius: 6px; margin-top: 0.75rem; }
.discount-badge svg { width: 14px; height: 14px; }
.price-note { font-size: 0.75rem; color: var(--color-text-muted); text-align: center; margin-top: 1rem; line-height: 1.5; }

/* =====================
   CONTACT FORM
   ===================== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group.full-width { grid-column: 1 / -1; }
.form-label { font-size: 0.85rem; font-weight: 600; color: var(--color-navy); }
.form-label .required { color: var(--color-orange); }
.form-label .optional { color: var(--color-text-muted); font-weight: 400; font-size: 0.8rem; }
.form-input, .form-textarea { padding: 0.75rem 1rem; border: 2px solid var(--color-border); border-radius: 8px; font-family: var(--font-primary); font-size: 0.95rem; color: var(--color-text); background: #fff; transition: border-color var(--transition); }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--color-navy); }
.form-input.error, .form-textarea.error { border-color: var(--color-error); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-error { font-size: 0.78rem; color: var(--color-error); display: none; }
.form-error.visible { display: block; }
.form-checkbox-wrapper { display: flex; align-items: flex-start; gap: 0.75rem; margin-top: 1rem; }
.form-checkbox-wrapper input[type="checkbox"] { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; accent-color: var(--color-navy); }
.form-checkbox-label { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.5; }
.form-checkbox-label a { color: var(--color-navy-light); text-decoration: underline; }
.form-actions { display: flex; gap: 1rem; margin-top: 1.5rem; align-items: center; }

/* Messages */
.message-box { padding: 1.5rem; border-radius: var(--border-radius); display: none; }
.message-box.visible { display: block; }
.message-box.success { background: var(--color-success-bg); border: 2px solid var(--color-success); color: var(--color-success); }
.message-box.error { background: var(--color-error-bg); border: 2px solid var(--color-error); color: var(--color-error); }
.message-box h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.message-box p { font-size: 0.9rem; line-height: 1.6; }
.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Config summary */
.config-summary { background: var(--color-bg-light); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 1.25rem; margin-bottom: 1.5rem; }
.config-summary-title { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.config-summary-items { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.config-summary-chip { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.35rem 0.75rem; background: #fff; border: 1px solid var(--color-border); border-radius: 6px; font-size: 0.8rem; font-weight: 500; color: var(--color-navy); }
.config-summary-chip svg { width: 12px; height: 12px; color: var(--color-success); }

/* =====================
   FOOTER (standalone only)
   ===================== */
.site-footer { background: var(--color-navy-dark); color: rgba(255,255,255,0.6); padding: 2.5rem 1.5rem; text-align: center; font-size: 0.85rem; }
.site-footer a { color: rgba(255,255,255,0.7); transition: color var(--transition); }
.site-footer a:hover { color: #fff; }
.footer-links { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-top: 0.75rem; }

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 960px) {
  .calculator-layout { grid-template-columns: 1fr; }
  .price-sidebar { position: static; order: -1; }
}
@media (max-width: 640px) {
  .option-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: 1; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; margin-left: auto; padding: 4px; }
  .nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-navy); transition: all var(--transition); }
  .steps-indicator { flex-direction: column; gap: 0; }
  .step-tab { text-align: left; padding: 0.75rem 1rem; }
  .user-count-wrapper { flex-wrap: wrap; }
  .price-amount { font-size: 2.25rem; }
}
.nav-open .nav-links { display: flex; flex-direction: column; position: fixed; inset: 0; background: var(--color-navy); z-index: 99; justify-content: center; align-items: center; gap: 2rem; }
.nav-open .nav-links a { color: #fff; font-size: 1.5rem; }