/* ============================================================
   components.css
   CheapRedLightBed.com — Reusable UI Components
   Design System: Modern B2B SaaS · Light Theme
   ============================================================ */

/* ============================================================
   1. BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.6em 1.4em;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.01em;
  text-transform: none;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    transform 0.15s var(--ease-out);
}
.btn:active   { transform: translateY(1px); }
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Primary — accent fill */
.btn--primary {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
  box-shadow: 0 1px 2px rgba(225,29,72,0.2);
}
.btn--primary:hover {
  background: var(--color-accent-hi);
  border-color: var(--color-accent-hi);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}
.btn--primary:active {
  background: var(--color-accent-deep);
  box-shadow: none;
  transform: translateY(0);
}

/* Ghost — neutral outlined */
.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-hi);
}
.btn--ghost:hover {
  background: var(--color-bg-soft);
  border-color: var(--color-ink-2);
  color: var(--color-ink);
}

/* Ghost red — accent outlined */
.btn--ghost-red {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn--ghost-red:hover {
  background: var(--color-accent-dim);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

/* Hero ghost — for dark backgrounds */
.btn--hero-ghost {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.2);
}
.btn--hero-ghost:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.4);
  color: #ffffff;
}

/* Soft — low-emphasis accent */
.btn--soft {
  background: var(--color-accent-dim);
  color: var(--color-accent-deep);
  border-color: transparent;
}
.btn--soft:hover { background: rgba(225,29,72,0.14); }

/* Sizes */
.btn--sm    { padding: 0.45em 1em;   font-size: 0.8rem; }
.btn--lg    { padding: 0.72em 1.8em; font-size: var(--text-base); }
.btn--xl    { padding: 0.85em 2.2em; font-size: var(--text-lg); }
.btn--block { width: 100%; }

/* Arrow decoration */
.btn--arrow::after {
  content: '→';
  font-family: sans-serif;
  font-size: 1em;
  transition: transform 0.2s var(--ease-out);
  display: inline-block;
}
.btn--arrow:hover::after { transform: translateX(3px); }

/* Loading spinner state */
.btn-submit .btn-label   { transition: opacity 0.2s; }
.btn-submit .btn-spinner { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; }
.btn-submit.is-loading .btn-label  { opacity: 0; }
.btn-submit.is-loading .btn-spinner { display: flex; }
.spinner-ring { width: 18px; height: 18px; animation: spin 0.75s linear infinite; }
.spinner-ring circle { stroke: rgba(255,255,255,0.9); stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 40; stroke-dashoffset: 10; fill: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   2. IMAGE PLACEHOLDER
   Consistent placeholder — pure CSS, no SVG.
   Drop in an <img> and it inherits object-fit: cover.
   ============================================================ */

.img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-muted);
  display: block;
}
.img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

/* Aspect ratio variants */
.img-wrap--16-9  { aspect-ratio: 16 / 9; }
.img-wrap--4-3   { aspect-ratio: 4 / 3; }
.img-wrap--1-1   { aspect-ratio: 1 / 1; }
.img-wrap--3-2   { aspect-ratio: 3 / 2; }

/* Neutral shimmer overlay for empty state */
.img-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--color-bg-muted) 0%,
    var(--color-bg-soft) 50%,
    var(--color-bg-muted) 100%
  );
  z-index: 0;
}
.img-wrap img { position: relative; z-index: 1; }
.img-wrap:has(img[src=""]) img,
.img-wrap:not(:has(img)) { min-height: 200px; }

/* Round avatar */
.img-wrap--avatar {
  border-radius: 50%;
  width: 48px; height: 48px;
}

/* ============================================================
   3. PRODUCT CARD
   ============================================================ */

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition:
    border-color var(--transition),
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
  position: relative;
}
.product-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

/* Popular badge */
.product-card--popular::before {
  content: 'Popular';
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-accent);
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  z-index: 1;
}

/* Image area */
.product-card__img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-muted);
  position: relative;
}
.product-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease-out);
}
.product-card:hover .product-card__img img { transform: scale(1.04); }

/* Body */
.product-card__body {
  padding: var(--space-5) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.product-card__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.product-card__name {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-ink);
  letter-spacing: -0.015em;
  line-height: var(--leading-snug);
}
.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-body);
  line-height: var(--leading-relaxed);
  flex: 1;
}
.product-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Footer */
.product-card__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.product-card__price {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.product-card__price-from {
  font-size: 0.65rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.product-card__price-value {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-ink);
  letter-spacing: -0.02em;
  line-height: 1;
}

/* ============================================================
   4. BLOG CARD
   ============================================================ */

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition:
    border-color var(--transition),
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
}
.blog-card:hover {
  border-color: var(--color-border-hi);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Thumbnail */
.blog-card__img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-muted);
  position: relative;
}
.blog-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}
.blog-card:hover .blog-card__img img { transform: scale(1.04); }

/* Body */
.blog-card__body {
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.blog-card__date {
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-weight: var(--weight-medium);
}
.blog-card__category {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.blog-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-ink);
  letter-spacing: -0.015em;
  line-height: var(--leading-snug);
  transition: color var(--transition);
}
.blog-card:hover .blog-card__title { color: var(--color-accent); }
.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-body);
  line-height: var(--leading-relaxed);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card__readmore {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  margin-top: var(--space-2);
  transition: gap var(--transition);
}
.blog-card__readmore::after { content: '→'; }
.blog-card:hover .blog-card__readmore { gap: var(--space-2); }

/* ============================================================
   5. SERVICE CARD
   ============================================================ */

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--transition),
    box-shadow var(--transition-slow),
    transform var(--transition-slow);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.service-card:hover {
  border-color: var(--color-border-hi);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card__icon {
  width: 40px; height: 40px;
  background: var(--color-accent-dim);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.service-card__icon svg {
  width: 18px; height: 18px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-ink);
  letter-spacing: -0.01em;
}
.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-body);
  line-height: var(--leading-relaxed);
  flex: 1;
}

/* ============================================================
   6. STAT / METRIC ITEM
   ============================================================ */

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-5);
  border-top: 2px solid var(--color-border);
  transition: border-color var(--transition);
}
.stat-item:hover { border-top-color: var(--color-accent); }
.stat-item__number {
  font-size: clamp(var(--text-3xl), 3.5vw, var(--text-5xl));
  font-weight: var(--weight-extrabold);
  color: var(--color-ink);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-item__number span { color: var(--color-accent); }
.stat-item__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.stat-item__desc {
  font-size: var(--text-sm);
  color: var(--color-body);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-2);
}

/* ============================================================
   7. TRUST BADGE (inline signal)
   ============================================================ */

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-body);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  padding: 5px 12px;
  border-radius: var(--radius-full);
}
.trust-badge svg {
  width: 14px; height: 14px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 2;
}

/* ============================================================
   8. FORM ELEMENTS (full component)
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
}
.form-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-ink-2);
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.form-label-required {
  color: var(--color-accent);
  font-size: 0.8rem;
}
.form-input,
.form-select,
.form-textarea {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-normal);
  padding: 0.65em 0.9em;
  width: 100%;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-placeholder); }
.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9em center;
  padding-right: 2.5em;
}
.form-select option { background: var(--color-bg); color: var(--color-ink); }
.form-textarea { resize: vertical; min-height: 130px; line-height: var(--leading-relaxed); }

/* Validation states */
.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}
.form-group.has-success .form-input,
.form-group.has-success .form-textarea { border-color: var(--color-success); }

.field-error {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-error);
  display: none;
  margin-top: var(--space-1);
}
.form-group.has-error .field-error { display: block; }

/* Form success state */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  gap: var(--space-4);
}
.form-success.is-visible { display: flex; }
.form-success__icon {
  width: 64px; height: 64px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  animation: pop-in 0.4s var(--ease-spring) both;
}
.form-success__icon svg {
  width: 28px; height: 28px;
  stroke: var(--color-success);
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.form-success__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-ink);
  letter-spacing: -0.02em;
}
.form-success__sub {
  font-size: var(--text-sm);
  color: var(--color-body);
  line-height: var(--leading-relaxed);
  max-width: 38ch;
}
.form-success__ref {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-muted);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}
@keyframes pop-in {
  from { transform: scale(0.6); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

/* ============================================================
   9. BADGE / TAG / STATUS
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.03em;
  white-space: nowrap;
  border: 1px solid transparent;
}
.badge--accent   { background: var(--color-accent-dim);      color: var(--color-accent-deep); border-color: rgba(225,29,72,0.2); }
.badge--success  { background: rgba(16,185,129,0.08);        color: #047857;  border-color: rgba(16,185,129,0.2); }
.badge--warning  { background: rgba(245,158,11,0.08);        color: #b45309;  border-color: rgba(245,158,11,0.2); }
.badge--neutral  { background: var(--color-bg-muted);        color: var(--color-muted);       border-color: var(--color-border); }
.badge--new      { background: var(--color-accent-dim);      color: var(--color-accent-deep); border-color: rgba(225,29,72,0.2); }
.badge--read     { background: rgba(245,158,11,0.08);        color: #b45309;  border-color: rgba(245,158,11,0.2); }
.badge--replied  { background: rgba(16,185,129,0.08);        color: #047857;  border-color: rgba(16,185,129,0.2); }
.badge--closed   { background: var(--color-bg-muted);        color: var(--color-muted);       border-color: var(--color-border); }
.badge--published{ background: rgba(16,185,129,0.08);        color: #047857;  border-color: rgba(16,185,129,0.2); }
.badge--draft    { background: var(--color-bg-muted);        color: var(--color-muted);       border-color: var(--color-border); }
.badge--featured { background: var(--color-accent-dim);      color: var(--color-accent-deep); border-color: rgba(225,29,72,0.2); }
.badge--active   { background: rgba(16,185,129,0.08);        color: #047857;  border-color: rgba(16,185,129,0.2); }
.badge--inactive { background: var(--color-bg-muted);        color: var(--color-muted);       border-color: var(--color-border); }

/* Spec tag — mono pill */
.spec-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-body);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* ============================================================
   10. ICON BOX (feature / strength block)
   ============================================================ */

.icon-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.icon-box__icon {
  width: 44px; height: 44px;
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}
.icon-box:hover .icon-box__icon {
  background: var(--color-accent-dim);
  border-color: rgba(225,29,72,0.25);
}
.icon-box__icon svg {
  width: 20px; height: 20px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-box__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-ink);
  letter-spacing: -0.01em;
  line-height: var(--leading-snug);
}
.icon-box__text {
  font-size: var(--text-sm);
  color: var(--color-body);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* Backward compat aliases */
.icon-box-icon  { @extend .icon-box__icon; }
.icon-box-title { font-size: var(--text-base); font-weight: var(--weight-semibold); color: var(--color-ink); letter-spacing: -0.01em; }
.icon-box-text  { font-size: var(--text-sm); color: var(--color-body); line-height: var(--leading-relaxed); margin: 0; }