/* ============================================================
   COMPONENTS.CSS — Reusable UI Components
   ============================================================ */

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(13,27,42,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border-dark);
  transition: background var(--t-base), box-shadow var(--t-base);
}
.navbar.scrolled {
  background: rgba(13,27,42,0.97);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.navbar .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.navbar-logo { display: flex; align-items: center; gap: var(--sp-3); text-decoration: none; }
.navbar-logo .logo-icon {
  width: 38px; height: 38px;
  background: var(--g-primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-primary);
}
.navbar-logo .logo-icon svg { width: 22px; height: 22px; fill: white; }
.navbar-logo .logo-text { font-family: var(--font-heading); font-weight: var(--fw-bold); font-size: var(--fs-lg); color: var(--c-white); line-height: 1; }
.navbar-logo .logo-text span { color: var(--c-accent); }
.navbar-nav { display: flex; align-items: center; gap: var(--sp-8); }
.navbar-nav a { color: rgba(255,255,255,0.75); font-size: var(--fs-sm); font-weight: var(--fw-medium); transition: color var(--t-fast); position: relative; }
.navbar-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:var(--c-accent); transition:width var(--t-base); }
.navbar-nav a:hover { color: var(--c-white); }
.navbar-nav a:hover::after { width: 100%; }
.navbar-nav a.active { color: var(--c-white); }
.navbar-nav a.active::after { width: 100%; }
.navbar-actions { display: flex; align-items: center; gap: var(--sp-3); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: var(--sp-2); cursor: pointer; }
.hamburger span { display:block; width:24px; height:2px; background: var(--c-white); border-radius:2px; transition: transform var(--t-base), opacity var(--t-base); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height); left: 0; right: 0;
  background: rgba(13,27,42,0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border-dark);
  padding: var(--sp-6);
  flex-direction: column;
  gap: var(--sp-4);
  z-index: 999;
  animation: fadeDown 0.3s ease;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { color: rgba(255,255,255,0.8); font-size: var(--fs-md); font-weight: var(--fw-medium); padding: var(--sp-3) 0; border-bottom: 1px solid var(--c-border-dark); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--t-base);
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--g-primary);
  color: var(--c-white);
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(21,101,192,0.45); filter: brightness(1.1); }
.btn-primary:active { transform: translateY(0); }

.btn-accent {
  background: var(--c-accent);
  color: var(--c-dark);
  font-weight: var(--fw-bold);
  box-shadow: var(--shadow-accent);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,188,212,0.45); filter: brightness(1.05); }

.btn-outline {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,0.35);
}
.btn-outline:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.6); }

.btn-outline-primary {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.btn-outline-primary:hover { background: var(--c-primary); color: var(--c-white); }

.btn-sm { padding: 0.5rem 1.2rem; font-size: var(--fs-xs); }
.btn-lg { padding: 1rem 2.25rem; font-size: var(--fs-base); }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
}
.badge-primary { background: rgba(21,101,192,0.12); color: var(--c-primary-light); border: 1px solid rgba(21,101,192,0.25); }
.badge-accent   { background: rgba(0,188,212,0.12); color: var(--c-accent); border: 1px solid rgba(0,188,212,0.25); }
.badge-success  { background: rgba(0,200,83,0.12); color: var(--c-success); border: 1px solid rgba(0,200,83,0.25); }
.badge-dark     { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.85); border: 1px solid rgba(255,255,255,0.12); }

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--c-white);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-border);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(21,101,192,0.2); }

.card-dark {
  background: var(--c-dark-2);
  border-color: var(--c-border-dark);
  color: var(--c-white);
}
.card-dark:hover { border-color: rgba(0,188,212,0.35); box-shadow: 0 12px 40px rgba(0,188,212,0.12); }

/* ── Feature Card ─────────────────────────────────────────── */
.feature-card { text-align: center; }
.feature-card .icon-wrap {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, rgba(21,101,192,0.12) 0%, rgba(0,188,212,0.12) 100%);
  border-radius: var(--r-xl);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--sp-5);
  transition: all var(--t-base);
  border: 1px solid rgba(0,188,212,0.15);
}
.feature-card:hover .icon-wrap {
  background: var(--g-primary);
  box-shadow: var(--shadow-primary);
  border-color: transparent;
  transform: scale(1.05);
}
.feature-card .icon-wrap svg { width: 32px; height: 32px; stroke: var(--c-primary-light); transition: stroke var(--t-base); }
.feature-card:hover .icon-wrap svg { stroke: white; }
.feature-card h3 { font-size: var(--fs-lg); margin-bottom: var(--sp-3); }
.feature-card p  { color: var(--c-text-secondary); font-size: var(--fs-sm); line-height: 1.7; }

/* ── Stat Card ────────────────────────────────────────────── */
.stat-card { text-align: center; padding: var(--sp-10) var(--sp-8); }
.stat-card .stat-num {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--fw-extrabold);
  color: var(--c-white);
  line-height: 1;
  margin-bottom: var(--sp-2);
  background: var(--g-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card .stat-label { font-size: var(--fs-sm); color: rgba(255,255,255,0.6); font-weight: var(--fw-medium); letter-spacing: 0.05em; }

/* ── Pricing Card ─────────────────────────────────────────── */
.pricing-card { position: relative; }
.pricing-card.featured {
  background: var(--g-primary);
  color: var(--c-white);
  border-color: transparent;
  box-shadow: var(--shadow-primary);
  transform: scale(1.04);
}
.pricing-card.featured:hover { transform: scale(1.04) translateY(-4px); }
.pricing-card .popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--c-accent); color: var(--c-dark);
  font-size: var(--fs-xs); font-weight: var(--fw-bold);
  padding: var(--sp-1) var(--sp-4); border-radius: var(--r-full);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.pricing-card .plan-name { font-size: var(--fs-sm); font-weight: var(--fw-semibold); letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-text-muted); margin-bottom: var(--sp-4); }
.pricing-card.featured .plan-name { color: rgba(255,255,255,0.7); }
.pricing-card .price { font-family: var(--font-heading); font-size: var(--fs-4xl); font-weight: var(--fw-extrabold); line-height: 1; margin-bottom: var(--sp-2); }
.pricing-card .price-note { font-size: var(--fs-sm); color: var(--c-text-muted); margin-bottom: var(--sp-6); }
.pricing-card.featured .price-note { color: rgba(255,255,255,0.65); }
.pricing-card .feature-list { list-style: none; display: flex; flex-direction: column; gap: var(--sp-3); margin-bottom: var(--sp-8); }
.pricing-card .feature-list li { display: flex; align-items: center; gap: var(--sp-3); font-size: var(--fs-sm); }
.pricing-card .feature-list li svg { width: 18px; height: 18px; stroke: var(--c-success); flex-shrink: 0; }
.pricing-card.featured .feature-list li svg { stroke: rgba(255,255,255,0.8); }
.pricing-card .feature-list li.disabled { color: var(--c-text-muted); }
.pricing-card .feature-list li.disabled svg { stroke: var(--c-text-muted); }

/* ── Testimonial Card ─────────────────────────────────────── */
.testimonial-card {
  padding: var(--sp-8);
  border-left: 3px solid var(--c-accent);
}
.testimonial-card .quote { font-size: var(--fs-md); line-height: 1.8; color: var(--c-text-secondary); margin-bottom: var(--sp-5); font-style: italic; }
.testimonial-card .author { display: flex; align-items: center; gap: var(--sp-3); }
.testimonial-card .author-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--g-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: var(--fw-bold); color: white; font-size: var(--fs-md);
  flex-shrink: 0;
}
.testimonial-card .author-info .name { font-weight: var(--fw-semibold); font-size: var(--fs-sm); }
.testimonial-card .author-info .role { font-size: var(--fs-xs); color: var(--c-text-muted); }
.testimonial-card .stars { color: #FFB300; font-size: var(--fs-sm); margin-bottom: var(--sp-4); letter-spacing: 2px; }

/* ── Accordion / FAQ ──────────────────────────────────────── */
.accordion { display: flex; flex-direction: column; gap: var(--sp-3); }
.accordion-item {
  background: var(--c-white);
  border-radius: var(--r-lg);
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: border-color var(--t-base);
}
.accordion-item:hover { border-color: rgba(21,101,192,0.3); }
.accordion-item.open { border-color: var(--c-primary); }
.accordion-trigger {
  width: 100%; text-align: left;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  font-size: var(--fs-base); font-weight: var(--fw-semibold);
  color: var(--c-text); cursor: pointer;
  background: none; border: none;
  transition: color var(--t-fast);
}
.accordion-item.open .accordion-trigger { color: var(--c-primary); }
.accordion-trigger .acc-icon {
  width: 24px; height: 24px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--c-surface);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t-base), transform var(--t-base);
}
.accordion-item.open .accordion-trigger .acc-icon { background: var(--c-primary); transform: rotate(45deg); }
.accordion-trigger .acc-icon svg { width: 14px; height: 14px; stroke: var(--c-text-secondary); transition: stroke var(--t-fast); }
.accordion-item.open .accordion-trigger .acc-icon svg { stroke: white; }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height var(--t-slow), padding var(--t-slow); }
.accordion-content p { padding: 0 var(--sp-6) var(--sp-5); font-size: var(--fs-sm); line-height: 1.8; color: var(--c-text-secondary); }
.accordion-item.open .accordion-content { max-height: 500px; }

/* ── Tabs ─────────────────────────────────────────────────── */
.tabs { display: flex; flex-direction: column; gap: var(--sp-6); }
.tab-nav {
  display: flex; gap: var(--sp-2);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  border-radius: var(--r-lg);
  padding: var(--sp-2);
  flex-wrap: wrap;
}
.tab-btn {
  flex: 1; min-width: 120px;
  display: flex; align-items: center; justify-content: center; gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  font-size: var(--fs-sm); font-weight: var(--fw-medium);
  color: var(--c-text-secondary);
  cursor: pointer; transition: all var(--t-base);
  background: none; border: none;
}
.tab-btn:hover { color: var(--c-text); background: var(--c-surface); }
.tab-btn.active { background: var(--c-primary); color: var(--c-white); box-shadow: var(--shadow-primary); }

.section--dark .tab-nav, .card-dark .tab-nav {
  background: rgba(255,255,255,0.06);
  border: none;
  box-shadow: none;
}
.section--dark .tab-btn, .card-dark .tab-btn {
  color: rgba(255,255,255,0.6);
}
.section--dark .tab-btn:hover, .card-dark .tab-btn:hover { color: var(--c-white); background: rgba(255,255,255,0.06); }
.section--dark .tab-btn.active, .card-dark .tab-btn.active { background: var(--c-primary); color: var(--c-white); box-shadow: var(--shadow-primary); }
.tab-panel { display: none; animation: fadeIn 0.3s ease; }
.tab-panel.active { display: block; }

/* ── Form Inputs ──────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-label { font-size: var(--fs-sm); font-weight: var(--fw-medium); color: var(--c-text); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  color: var(--c-text);
  background: var(--c-white);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(21,101,192,0.12);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--c-text-muted); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-input.error { border-color: var(--c-danger); }
.form-error { font-size: var(--fs-xs); color: var(--c-danger); }

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: #060E18;
  color: rgba(255,255,255,0.65);
  padding: var(--sp-20) 0 var(--sp-8);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--sp-12); margin-bottom: var(--sp-12); }
.footer-brand .logo-wrap { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-4); }
.footer-brand p { font-size: var(--fs-sm); line-height: 1.8; max-width: 280px; }
.footer-col h4 { font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--c-white); margin-bottom: var(--sp-5); letter-spacing: 0.08em; text-transform: uppercase; }
.footer-col ul { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer-col ul li a { font-size: var(--fs-sm); color: rgba(255,255,255,0.55); transition: color var(--t-fast); }
.footer-col ul li a:hover { color: var(--c-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.07); padding-top: var(--sp-8); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-4); }
.footer-bottom p { font-size: var(--fs-xs); }
.footer-social { display: flex; gap: var(--sp-3); }
.footer-social a {
  width: 36px; height: 36px; border-radius: var(--r-md);
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t-base);
}
.footer-social a:hover { background: var(--c-primary); }
.footer-social a svg { width: 16px; height: 16px; stroke: rgba(255,255,255,0.7); }
.footer-contact-item { display: flex; align-items: center; gap: var(--sp-3); font-size: var(--fs-sm); margin-bottom: var(--sp-3); }
.footer-contact-item svg { width: 16px; height: 16px; stroke: var(--c-accent); flex-shrink: 0; }

/* ── Scroll To Top ────────────────────────────────────────── */
.scroll-top {
  position: fixed; bottom: var(--sp-6); right: var(--sp-6);
  width: 46px; height: 46px;
  background: var(--c-primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-primary);
  cursor: pointer; border: none;
  opacity: 0; transform: translateY(16px);
  transition: all var(--t-base);
  z-index: 900;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: var(--c-primary-dark); transform: translateY(-2px); }
.scroll-top svg { width: 20px; height: 20px; stroke: white; }

/* ── Cookie / Toast ───────────────────────────────────────── */
.toast {
  position: fixed; bottom: var(--sp-6); left: 50%; transform: translateX(-50%) translateY(100px);
  background: var(--c-dark-2);
  color: var(--c-white);
  padding: var(--sp-4) var(--sp-6);
  border-radius: var(--r-lg);
  font-size: var(--fs-sm);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--c-border-dark);
  display: flex; align-items: center; gap: var(--sp-3);
  z-index: 2000;
  transition: transform var(--t-slow);
  min-width: 300px;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast svg { width: 20px; height: 20px; stroke: var(--c-success); flex-shrink: 0; }

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 1500;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-base);
  padding: var(--sp-4);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--c-white);
  border-radius: var(--r-xl);
  width: 100%; max-width: 540px;
  padding: var(--sp-10);
  position: relative;
  transform: scale(0.92);
  transition: transform var(--t-base);
  box-shadow: var(--shadow-xl);
}
.modal-overlay.open .modal { transform: scale(1); }
.modal-close {
  position: absolute; top: var(--sp-4); right: var(--sp-4);
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--c-surface); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t-fast);
}
.modal-close:hover { background: var(--c-surface-2); }
.modal-close svg { width: 16px; height: 16px; stroke: var(--c-text); }

/* ── Responsive Adjustments ───────────────────────────────── */
@media (max-width: 768px) {
  .navbar-nav, .navbar-actions .btn:first-child { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}