/* ============================================
   MultiTool - Global Styles
   ============================================ */

:root {
  --primary: #6c63ff;
  --primary-dark: #5a52d5;
  --secondary: #ff6584;
  --accent: #43e97b;
  --dark: #1a1a2e;
  --dark-2: #16213e;
  --dark-3: #0f3460;
  --light: #f8f9fa;
  --light-2: #e9ecef;
  --text: #333344;
  --text-light: #6c757d;
  --white: #ffffff;
  --border: #dee2e6;
  --shadow: 0 4px 24px rgba(108, 99, 255, 0.10);
  --shadow-lg: 0 8px 40px rgba(108, 99, 255, 0.18);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--light);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: var(--font);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(108, 99, 255, 0.15);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.nav-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 2px 12px rgba(108,99,255,0.4);
}

.nav-logo span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
}

.nav-menu a {
  color: rgba(255,255,255,0.8);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--white);
  background: rgba(108,99,255,0.2);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: 3px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, var(--dark-3) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(108,99,255,0.12) 0%, transparent 60%);
  animation: pulse-bg 8s ease-in-out infinite;
}

@keyframes pulse-bg {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.3);
  color: #a89fff;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  max-width: 580px;
  margin: 0 auto 2.5rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.hero-stat {
  text-align: center;
}

.hero-stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-stat span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(108,99,255,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(108,99,255,0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

.btn-secondary {
  background: var(--light-2);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-sm {
  padding: 0.45rem 1.1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.9rem 2.2rem;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: var(--white);
}

.btn-success {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(34,197,94,0.3);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(34,197,94,0.4);
}

/* ============================================
   SECTIONS
   ============================================ */

section {
  padding: 5rem 1.5rem;
}

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  background: rgba(108,99,255,0.1);
  color: var(--primary);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-header p {
  color: var(--text-light);
  font-size: 1rem;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
}

/* ============================================
   TOOLS GRID
   ============================================ */

.tools-section {
  background: var(--white);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.tool-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--text);
}

.tool-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.tool-card-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.tool-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
}

.tool-card p {
  font-size: 0.87rem;
  color: var(--text-light);
  line-height: 1.55;
  flex: 1;
}

.tool-card .card-arrow {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transition: var(--transition);
}

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

/* Tool icon color themes */
.icon-purple { background: rgba(108,99,255,0.12); color: var(--primary); }
.icon-red { background: rgba(239,68,68,0.12); color: #ef4444; }
.icon-blue { background: rgba(59,130,246,0.12); color: #3b82f6; }
.icon-green { background: rgba(34,197,94,0.12); color: #22c55e; }
.icon-orange { background: rgba(249,115,22,0.12); color: #f97316; }
.icon-pink { background: rgba(236,72,153,0.12); color: #ec4899; }
.icon-teal { background: rgba(20,184,166,0.12); color: #14b8a6; }
.icon-yellow { background: rgba(234,179,8,0.12); color: #eab308; }
.icon-indigo { background: rgba(99,102,241,0.12); color: #6366f1; }
.icon-cyan { background: rgba(6,182,212,0.12); color: #06b6d4; }

/* ============================================
   FAQ SECTION
   ============================================ */

.faq-section {
  background: var(--light);
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.97rem;
  color: var(--dark);
  gap: 1rem;
  user-select: none;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--light-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
  color: var(--primary);
}

.faq-item.open .faq-icon {
  background: var(--primary);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
  padding: 0 1.5rem;
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding-bottom: 1.4rem;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 3rem 1.5rem 2rem;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
}

.footer-brand .nav-logo {
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.87rem;
  line-height: 1.7;
  max-width: 240px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  max-width: 1280px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.4);
}

/* ============================================
   PAGE HEADER (inner pages)
   ============================================ */

.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  padding: 7rem 1.5rem 4rem;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: rgba(255,255,255,0.6);
  max-width: 540px;
  margin: 0 auto;
}

/* ============================================
   TOOL PAGE LAYOUT
   ============================================ */

.tool-page {
  min-height: 100vh;
  background: var(--light);
}

.tool-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.tool-card-box {
  background: var(--white);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.tool-card-box h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--light-2);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--light);
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--primary);
  background: rgba(108,99,255,0.04);
}

.upload-zone .upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.upload-zone h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.4rem;
}

.upload-zone p {
  font-size: 0.85rem;
  color: var(--text-light);
}

.upload-zone input[type="file"] {
  display: none;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.93rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.1);
}

.range-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.range-group input[type="range"] {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--light-2);
  outline: none;
  cursor: pointer;
  accent-color: var(--primary);
}

.range-value {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  min-width: 44px;
  text-align: right;
}

/* Preview Areas */
.preview-area {
  min-height: 200px;
  background: var(--light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.preview-area canvas,
.preview-area img {
  max-width: 100%;
  max-height: 500px;
  object-fit: contain;
}

.preview-placeholder {
  text-align: center;
  color: var(--text-light);
  font-size: 0.9rem;
  padding: 2rem;
}

.preview-placeholder .ph-icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  opacity: 0.35;
}

/* Tool controls row */
.controls-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.tool-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

/* Result grid */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.result-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  text-align: center;
}

.result-item img, .result-item canvas {
  width: 100%;
  object-fit: contain;
  background: repeating-conic-gradient(#e0e0e0 0% 25%, #f0f0f0 0% 50%) 0 0 / 20px 20px;
}

.result-item-info {
  padding: 0.6rem;
  font-size: 0.78rem;
  color: var(--text-light);
}

.result-item-info a {
  display: inline-block;
  margin-top: 0.3rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.8rem;
}

/* Status / Alert */
.alert {
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
}

.alert-success {
  background: rgba(34,197,94,0.1);
  color: #166534;
  border: 1px solid rgba(34,197,94,0.25);
}

.alert-error {
  background: rgba(239,68,68,0.1);
  color: #991b1b;
  border: 1px solid rgba(239,68,68,0.25);
}

.alert-info {
  background: rgba(59,130,246,0.1);
  color: #1e3a8a;
  border: 1px solid rgba(59,130,246,0.25);
}

/* PDF file list */
.file-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

.file-item .file-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.file-item .file-name {
  flex: 1;
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-item .file-size {
  color: var(--text-light);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.file-item .file-remove {
  cursor: pointer;
  color: #ef4444;
  flex-shrink: 0;
  background: none;
  border: none;
  font-size: 1rem;
  line-height: 1;
  transition: var(--transition);
  padding: 2px 4px;
  border-radius: 4px;
}

.file-item .file-remove:hover {
  background: rgba(239,68,68,0.1);
}

/* EXIF Table */
.exif-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
}

.exif-table th {
  background: var(--light-2);
  padding: 0.6rem 0.9rem;
  text-align: left;
  font-weight: 700;
  color: var(--dark);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.exif-table td {
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--light-2);
  color: var(--text);
  word-break: break-all;
}

.exif-table tr:last-child td {
  border-bottom: none;
}

.exif-table tr:hover td {
  background: rgba(108,99,255,0.03);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--light-2);
  border-radius: 10px;
  padding: 0.25rem;
  margin-bottom: 1.5rem;
}

.tab-btn {
  flex: 1;
  padding: 0.6rem 1rem;
  border: none;
  background: transparent;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Color Picker */
.color-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.color-row input[type="color"] {
  width: 44px;
  height: 44px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 2px;
  background: var(--white);
}

/* Grid two-col */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* Progress bar */
.progress-bar-wrap {
  height: 8px;
  background: var(--light-2);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.75rem;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
  width: 0%;
  transition: width 0.4s ease;
}

/* Pixel REM tool */
.rem-converter {
  max-width: 600px;
}

.rem-result-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(108,99,255,0.08), rgba(255,101,132,0.08));
  border: 2px solid rgba(108,99,255,0.2);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  margin: 1.25rem 0;
}

.rem-result-box .result-number {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.rem-result-box .result-unit {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-light);
}

/* Checkerboard for transparent preview */
.checker-bg {
  background-image: repeating-conic-gradient(#e0e0e0 0% 25%, #f8f8f8 0% 50%);
  background-size: 24px 24px;
}

/* Inner page content */
.inner-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.inner-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.inner-content p {
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.inner-content ul {
  padding-left: 1.5rem;
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 2;
}

/* Contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2.5rem;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.contact-info-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-item .ci-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(108,99,255,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.2rem;
}

.contact-info-item p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0;
}

.contact-form-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.98);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.25rem;
    transform: translateY(-120%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-menu a {
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .hero-stat strong {
    font-size: 1.4rem;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

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

  .tool-card-box {
    padding: 1.25rem;
  }

  section {
    padding: 3.5rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .controls-row {
    flex-direction: column;
    align-items: stretch;
  }
  .tool-actions {
    flex-direction: column;
  }
  .tool-actions .btn {
    justify-content: center;
  }
  .tabs {
    flex-direction: column;
  }
}

/* Loader spinner */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(108,99,255,0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 1rem auto;
}

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

/* Tooltip */
[data-tooltip] {
  position: relative;
}
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark);
  color: var(--white);
  font-size: 0.78rem;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 100;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--light); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }