/* === FileXify - Modern Youthful Design === */

:root {
  --bg: #f5f7fb;
  --card-bg: #ffffff;
  --text: #1a1b2f;
  --text-light: #7c7f93;
  --primary: #6c5ce7;
  --primary-glow: rgba(108, 92, 231, 0.15);
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === HEADER === */
.header {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: auto;
  padding: 2px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

.lang-selector { position: relative; }

.lang-btn {
  background: var(--bg);
  border: 1px solid rgba(0,0,0,0.04);
  padding: 8px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--text);
  transition: var(--transition);
}

.lang-btn:hover { background: #eef0f5; }

.lang-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--card-bg);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
  min-width: 170px;
  z-index: 50;
  margin-top: 6px;
  padding: 6px;
  animation: fadeIn 0.15s ease;
}

.lang-dropdown.show { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.lang-option {
  display: block;
  padding: 8px 14px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.88rem;
  border-radius: 8px;
  transition: var(--transition);
}

.lang-option:hover { background: var(--bg); }
.lang-option.active { color: var(--primary); font-weight: 600; background: var(--primary-glow); }

/* === HERO (Modern gradient) === */
.hero {
  padding: 70px 0 50px;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(108,92,231,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: -1px;
  line-height: 1.2;
  position: relative;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #6c5ce7, #fd79a8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
}

/* === CATEGORY === */
.category { margin-bottom: 44px; }

.category-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cat-icon { font-size: 1rem; }

/* === TOOLS GRID - ilovepdf style === */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px;
}

.tool-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 18px 20px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  transition: var(--transition);
  cursor: pointer;
  border: 1.5px solid rgba(0,0,0,0.04);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-color);
  opacity: 0;
  transition: var(--transition);
}

.tool-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.tool-card:hover::before { opacity: 1; }

.tool-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.tool-card:hover .tool-card-icon {
  transform: scale(1.1) rotate(-3deg);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.tool-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.3;
}

.tool-card-arrow {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 0.75rem;
  color: var(--text-light);
  opacity: 0;
  transform: translateX(-6px);
  transition: var(--transition);
}

.tool-card:hover .tool-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

.tool-badge {
  font-size: 0.65rem;
  padding: 3px 10px;
  border-radius: 20px;
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  color: white;
  font-weight: 600;
  letter-spacing: 0.3px;
}

/* === FEATURES === */
.features {
  padding: 60px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.feature-card {
  text-align: center;
  padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--card-bg);
  border: 1.5px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.feature-icon { font-size: 2rem; margin-bottom: 14px; display: block; }

.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }

.feature-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

/* === TOOL PAGE === */
.tool-page { flex: 1; padding: 36px 0; }

.breadcrumb {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb a { color: var(--primary); text-decoration: none; font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }

.tool-header { text-align: center; margin-bottom: 32px; }

.tool-header-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin-bottom: 18px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.tool-title { font-size: 2rem; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.5px; }

.tool-desc {
  color: var(--text-light);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

/* === UPLOAD ZONE === */
.tool-area {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  margin-bottom: 36px;
  box-shadow: var(--shadow);
  border: 1.5px solid rgba(0,0,0,0.04);
}

.upload-zone {
  border: 2px dashed #dce0e8;
  border-radius: var(--radius);
  padding: 56px 24px;
  cursor: pointer;
  transition: var(--transition);
}

.upload-zone:hover {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(108,92,231,0.03), rgba(162,155,254,0.03));
}

.upload-icon { font-size: 3.2rem; margin-bottom: 16px; display: block; }

.upload-zone h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; }

.upload-zone p { color: var(--text-light); margin-bottom: 20px; font-size: 0.9rem; }

/* === BUTTONS === */
.btn {
  padding: 14px 32px;
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  color: white;
  box-shadow: 0 4px 16px rgba(108,92,231,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(108,92,231,0.4);
}

.btn-success {
  background: linear-gradient(135deg, #00b894, #55efc4);
  color: white;
  box-shadow: 0 4px 16px rgba(0,184,148,0.3);
}
.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,184,148,0.4);
}

.btn-secondary {
  background: #f0f1f6;
  color: var(--text);
  margin-left: 12px;
}
.btn-secondary:hover { background: #e4e6ef; transform: translateY(-2px); }

/* === UPLOAD PROGRESS === */
.upload-progress { padding: 48px 24px; }

.spinner {
  width: 48px; height: 48px;
  border: 4px solid #eef0f5;
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.upload-progress p { color: var(--text-light); font-weight: 500; }

/* === RESULT === */
.result-area { padding: 36px 24px; }

.result-icon { font-size: 3.2rem; margin-bottom: 14px; display: block; }

.result-area h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; }

/* === CONTROLS === */
.tool-controls {
  margin-top: 24px;
  padding: 24px;
  background: #f8f9fc;
  border-radius: var(--radius-sm);
  text-align: left;
}

.control-group { margin-bottom: 14px; }
.control-group:last-child { margin-bottom: 0; }

.control-group label {
  font-size: 0.88rem;
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.control-group input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}

.control-group select,
.control-group input[type="number"] {
  padding: 10px 14px;
  border: 1.5px solid #dce0e8;
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.9rem;
  width: 100%;
  background: white;
  transition: var(--transition);
}

.control-group select:focus,
.control-group input[type="number"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.control-group.row { display: flex; gap: 14px; }
.control-group.row > div { flex: 1; }

/* === HOWTO === */
.howto { margin-bottom: 48px; }

.howto h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.step {
  background: var(--card-bg);
  padding: 24px 20px;
  border-radius: var(--radius);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border: 1.5px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

.step:hover { box-shadow: var(--shadow); transform: translateY(-2px); }

.step-num {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  color: white;
  width: 34px; height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.step p { font-size: 0.92rem; color: var(--text-light); padding-top: 5px; line-height: 1.5; }

/* === MORE TOOLS === */
.more-tools { margin-bottom: 48px; }

.more-tools h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tools-grid.mini { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.tool-card.mini { padding: 18px 12px; border-radius: 16px; }
.tool-card.mini .tool-card-icon { width: 48px; height: 48px; font-size: 1.2rem; border-radius: 14px; }
.tool-card.mini .tool-card-title { font-size: 0.78rem; }

/* === FOOTER === */
.footer {
  background: var(--card-bg);
  border-top: 1px solid rgba(0,0,0,0.04);
  padding: 28px 0;
  text-align: center;
  color: var(--text-light);
  font-size: 0.85rem;
  margin-top: auto;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero-title { font-size: 1.8rem; }
  .hero { padding: 50px 0 36px; }
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
  .tool-card { padding: 20px 14px; border-radius: 16px; }
  .steps { grid-template-columns: 1fr; }
  .tool-title { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-card-icon { width: 48px; height: 48px; font-size: 1.2rem; }
}
/* Logo image */
.logo-img {
    display: block;
    height: 130px;
    width: auto;
    object-fit: contain;
}
@media (max-width: 768px) {
    .logo-img { height: 100px; }
}
@media (max-width: 480px) {
    .logo-img { height: 90px; }
}
/* Footer info bar */
.footer-info {
    padding: 32px 0;
    border-top: 1px solid #e8e8e8;
    margin-top: 48px;
}
.info-row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    font-size: 14px;
    color: #666;
}
.info-row span {
    white-space: nowrap;
}
@media (max-width: 600px) {
    .info-row span {
        white-space: normal;
        text-align: center;
    }
}
/* === Mobile: result buttons stack with gap === */
@media (max-width: 480px) {
  .result-area .btn {
    display: block;
    width: 100%;
    margin: 0 0 10px 0 !important;
    text-align: center;
  }
}