/* ============================================================
   SaaS Starter — Design System
   ============================================================ */

/* ===== CSS Custom Properties ===== */
:root {
  --ss-gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --ss-gradient-button: linear-gradient(135deg, #667eea, #764ba2);
  --ss-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --ss-shadow-md: 0 4px 20px rgba(102, 126, 234, 0.07);
  --ss-shadow-lg: 0 12px 36px rgba(102, 126, 234, 0.13);
  --ss-shadow-btn: 0 8px 30px rgba(102, 126, 234, 0.3);
  --ss-radius-sm: 8px;
  --ss-radius-md: 12px;
  --ss-radius-lg: 16px;
  --ss-radius-full: 50px;
  --ss-transition: all 0.3s ease;
  --ss-container: 1100px;
}

/* ===== Base Reset (scoped to .ss) ===== */
.ss { line-height: 1.6; overflow-x: hidden; }
.ss *, .ss *::before, .ss *::after { box-sizing: border-box; margin: 0; padding: 0; }
.ss a { text-decoration: none; color: inherit; }
.ss img { max-width: 100%; height: auto; display: block; }

/* ===== Layout ===== */
.ss-container {
  max-width: var(--ss-container);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.ss-section {
  padding: 80px 0;
}

.ss-section-alt {
  background: var(--wp--preset--color--light, #f8f9ff);
}

.ss-section-title {
  font-size: 2em;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
  color: var(--wp--preset--color--text, #1a1a2e);
}

.ss-section-sub {
  text-align: center;
  color: var(--wp--preset--color--text-muted, #666);
  font-size: 1.1em;
  max-width: 550px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ===== Grids ===== */
.ss-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.ss-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.ss-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== Hero ===== */
.ss-hero {
  position: relative;
  padding: 100px 0 90px;
  background: var(--ss-gradient-primary);
  overflow: hidden;
  text-align: center;
  color: #fff;
}

.ss-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.ss-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.ss-hero-content {
  position: relative;
  z-index: 1;
}

.ss-hero h1 {
  font-size: 3.2em;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.ss-hero h1 span {
  background: linear-gradient(90deg, #ffd6ff, #ffffb3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ss-hero p {
  font-size: 1.2em;
  color: rgba(255, 255, 255, 0.88);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

/* ===== Badges (hero trust signals) ===== */
.ss-badges {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.ss-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.92em;
  font-weight: 500;
}

.ss-badge svg {
  width: 18px;
  height: 18px;
  fill: rgba(255, 255, 255, 0.9);
  flex-shrink: 0;
}

/* ===== Cards ===== */
.ss-card {
  background: #fff;
  border-radius: var(--ss-radius-lg);
  padding: 32px;
  box-shadow: var(--ss-shadow-md);
  border: 1px solid rgba(102, 126, 234, 0.08);
  transition: var(--ss-transition);
}

.ss-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ss-shadow-lg);
  border-color: rgba(102, 126, 234, 0.18);
}

/* Category card (conversion grid) */
.ss-cat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.ss-cat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--ss-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.ss-cat-icon.pdf   { background: linear-gradient(135deg, #ff6b6b, #ee5a24); }
.ss-cat-icon.office { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.ss-cat-icon.image  { background: linear-gradient(135deg, #43e97b, #38f9d7); }
.ss-cat-icon.other  { background: linear-gradient(135deg, #fa709a, #fee140); }

.ss-cat-title {
  font-size: 1.2em;
  font-weight: 700;
  color: var(--wp--preset--color--text, #1a1a2e);
}

.ss-cat-desc {
  font-size: 0.88em;
  color: var(--wp--preset--color--text-muted, #888);
  margin-top: 2px;
}

/* Conversion item (tag/chip) */
.ss-conv-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ss-conv-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--wp--preset--color--light, #f8f9ff);
  border: 1px solid #e8ecf4;
  border-radius: var(--ss-radius-sm);
  font-size: 0.88em;
  font-weight: 600;
  color: #444;
  cursor: pointer;
  transition: var(--ss-transition);
  white-space: nowrap;
}

.ss-conv-item:hover {
  background: var(--ss-gradient-button);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(102, 126, 234, 0.3);
}

.ss-conv-item .arrow {
  font-size: 0.75em;
  opacity: 0.5;
}

.ss-conv-item:hover .arrow {
  opacity: 1;
}

/* Feature card */
.ss-feature-card {
  text-align: center;
  padding: 40px 28px;
  background: #fff;
  border-radius: var(--ss-radius-lg);
  box-shadow: var(--ss-shadow-sm);
  border: 1px solid #f0f0f5;
  transition: var(--ss-transition);
}

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

.ss-feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: var(--ss-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.ss-feature-icon.speed   { background: rgba(102, 126, 234, 0.1); }
.ss-feature-icon.secure  { background: rgba(67, 233, 123, 0.1); }
.ss-feature-icon.quality { background: rgba(250, 112, 154, 0.1); }

.ss-feature-card h3 {
  font-size: 1.15em;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--wp--preset--color--text, #1a1a2e);
}

.ss-feature-card p {
  font-size: 0.93em;
  color: var(--wp--preset--color--text-muted, #666);
  line-height: 1.65;
}

/* ===== Steps (How It Works) ===== */
.ss-steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.ss-steps-row::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 15%;
  right: 15%;
  height: 3px;
  background: var(--ss-gradient-button);
  border-radius: 2px;
  z-index: 0;
}

.ss-step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.ss-step-num {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--wp--preset--color--primary, #667eea);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

.ss-step-card h3 {
  font-size: 1.1em;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--wp--preset--color--text, #1a1a2e);
}

.ss-step-card p {
  font-size: 0.9em;
  color: var(--wp--preset--color--text-muted, #666);
  max-width: 260px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ===== Stats Bar ===== */
.ss-stats {
  background: var(--ss-gradient-primary);
  padding: 60px 0;
}

.ss-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.ss-stat-num {
  font-size: 2.4em;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.ss-stat-label {
  font-size: 0.9em;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
  margin-top: 4px;
}

/* ===== Buttons ===== */
.ss-btn {
  display: inline-block;
  padding: 14px 40px;
  background: var(--ss-gradient-button);
  color: #fff !important;
  font-weight: 700;
  font-size: 1.05em;
  border: none;
  border-radius: var(--ss-radius-full);
  cursor: pointer;
  transition: var(--ss-transition);
  box-shadow: var(--ss-shadow-btn);
  text-decoration: none !important;
  line-height: 1.4;
}

.ss-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(102, 126, 234, 0.4);
}

.ss-btn-white {
  background: #fff;
  color: #764ba2 !important;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.ss-btn-white:hover {
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.2);
}

.ss-btn-outline {
  background: transparent;
  color: var(--wp--preset--color--primary, #667eea) !important;
  border: 2px solid var(--wp--preset--color--primary, #667eea);
  box-shadow: none;
}

.ss-btn-outline:hover {
  background: var(--wp--preset--color--primary, #667eea);
  color: #fff !important;
  box-shadow: var(--ss-shadow-btn);
}

/* ===== CTA Section ===== */
.ss-cta {
  text-align: center;
  padding: 80px 0;
}

.ss-cta h2 {
  font-size: 2em;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
  color: var(--wp--preset--color--text, #1a1a2e);
}

.ss-cta p {
  color: var(--wp--preset--color--text-muted, #666);
  font-size: 1.05em;
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Upload Box (tool pages) ===== */
.ss-upload-box {
  max-width: 600px;
  margin: 0 auto 40px;
  padding: 50px 30px;
  border: 3px dashed var(--wp--preset--color--primary, #667eea);
  border-radius: var(--ss-radius-lg);
  text-align: center;
  background: var(--wp--preset--color--light, #f8f9ff);
  transition: var(--ss-transition);
  cursor: pointer;
}

.ss-upload-box:hover {
  border-color: var(--wp--preset--color--primary-dark, #764ba2);
  background: #f0f0ff;
}

.ss-upload-box.dragging {
  border-color: var(--wp--preset--color--primary-dark, #764ba2);
  background: #ede9ff;
  transform: scale(1.01);
}

.ss-upload-box .icon {
  font-size: 48px;
  margin-bottom: 15px;
}

.ss-upload-box p {
  color: var(--wp--preset--color--text-muted, #555);
  font-size: 1.1em;
  margin-bottom: 20px;
}

.ss-upload-box .hint {
  font-size: 0.85em;
  color: #999;
  margin-top: 15px;
}

/* ===== Progress Bar ===== */
.ss-progress {
  width: 100%;
  max-width: 500px;
  margin: 20px auto;
  display: none;
}

.ss-progress-bar {
  height: 8px;
  background: var(--wp--preset--color--light, #eee);
  border-radius: 4px;
  overflow: hidden;
}

.ss-progress-fill {
  height: 100%;
  background: var(--ss-gradient-button);
  border-radius: 4px;
  width: 0%;
  transition: width 0.3s ease;
}

.ss-progress-text {
  font-size: 0.85em;
  color: var(--wp--preset--color--text-muted, #666);
  text-align: center;
  margin-top: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .ss-grid-2 { grid-template-columns: 1fr; }
  .ss-grid-3 { grid-template-columns: 1fr; }
  .ss-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ss-steps-row { grid-template-columns: 1fr; gap: 28px; }
  .ss-steps-row::before { display: none; }
  .ss-stats-row { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .ss-hero h1 { font-size: 2.2em; }
  .ss-hero { padding: 70px 0 60px; }
}

@media (max-width: 600px) {
  .ss-hero { padding: 50px 0 40px; }
  .ss-hero h1 { font-size: 1.8em; }
  .ss-section { padding: 50px 0; }
  .ss-section-title { font-size: 1.5em; }
  .ss-grid-4 { grid-template-columns: 1fr; }
  .ss-stats-row { grid-template-columns: repeat(2, 1fr); }
  .ss-card { padding: 24px; }
  .ss-container { padding: 0 16px; }
  .ss-badges { gap: 16px; }
}