:root {
  --primary: #1a237e;
  --secondary: #00b4d8;
  --accent: #f72585;
  --bg: #f8f9fa;
  --card-bg: #ffffff;
  --text: #2d3436;
  --text-light: #636e72;
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #e17055;
  --border: #e9ecef;
  --shadow: 0 2px 15px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
  --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
  --gradient-accent: linear-gradient(135deg, var(--accent), #ff6b6b);
}

[data-theme="dark"] {
  --primary: #64b5f6;
  --secondary: #4dd0e1;
  --accent: #f06292;
  --bg: #0f0f1e;
  --card-bg: #161a2d;
  --text: #e4e4e7;
  --text-light: #a1a1aa;
  --success: #00c896;
  --warning: #ffd264;
  --danger: #f07864;
  --border: #2d2d3c;
  --shadow: 0 2px 15px rgba(0,0,0,0.35);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.45);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary);
}

a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }

img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.text-light { color: var(--text-light); }

/* ===== Preloader ===== */
.preloader {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: var(--bg); display: flex; align-items: center; justify-content: center;
  z-index: 9999; transition: opacity 0.5s ease;
}
.preloader.fade-out { opacity: 0; pointer-events: none; }
.loader { width: 50px; height: 50px; border: 4px solid var(--border); border-top-color: var(--secondary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Header / Navbar ===== */
.navbar {
  background: var(--card-bg);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.navbar-brand {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.navbar-brand:hover { color: var(--primary); }
.navbar-brand .brand-icon {
  width: 36px; height: 36px;
  background: var(--gradient);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.1rem;
}
.nav-links { display: flex; align-items: center; gap: 5px; list-style: none; }
.nav-links a {
  padding: 8px 18px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active { background: rgba(26, 35, 126, 0.08); color: var(--primary); }
.nav-toggle {
  min-width: 44px; min-height: 44px;
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none; border: none;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  width: 25px; height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}
.nav-toggle span.active:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle span.active:nth-child(2) { opacity: 0; }
.nav-toggle span.active:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.dark-mode-btn {
  background: none;
  border: 2px solid var(--border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-light);
  font-size: 1rem;
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 8px;
}
.dark-mode-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(26,35,126,0.06);
}
[data-theme="dark"] .dark-mode-btn { border-color: #ffd700; color: #ffd700; }
[data-theme="dark"] .dark-mode-btn:hover { background: rgba(255,215,0,0.1); }

/* ===== Hero Section ===== */
.hero {
  background: var(--gradient);
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 1; max-width: 750px; margin: 0 auto; }
.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.2;
}
.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 35px;
  font-weight: 400;
}
.hero-search {
  max-width: 550px;
  margin: 0 auto 30px;
  display: flex;
  gap: 0;
  background: #fff;
  border-radius: 50px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}
.hero-search input {
  flex: 1;
  border: none;
  padding: 18px 25px;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  outline: none;
}
.hero-search button {
  padding: 18px 35px;
  background: var(--accent);
  color: #fff;
  border: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.hero-search button:hover { background: #d81b5b; }

/* ===== Trust Badges (reference style) ===== */
.trust-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 0.88rem;
  font-weight: 500;
}
.trust-badge i { color: var(--warning); font-size: 1rem; }

/* ===== Hero Stats ===== */
.hero-stats {
  display: flex; justify-content: center; gap: 50px; margin-top: 40px;
}
.hero-stat { text-align: center; }
.hero-stat .number { font-size: 2rem; font-weight: 700; color: #fff; display: block; }
.hero-stat .label { color: rgba(255,255,255,0.8); font-size: 0.9rem; }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section-header { text-align: center; max-width: 600px; margin: 0 auto 50px; }
.section-header h2 { font-size: 2.2rem; margin-bottom: 15px; }
.section-header p { color: var(--text-light); font-size: 1.1rem; }
.section-bg-alt { background: var(--card-bg); }
.section-dark {
  background: var(--primary);
  padding: 80px 0;
  text-align: center;
}
.section-dark h2 { color: #fff; font-size: 2rem; margin-bottom: 15px; }
.section-dark p { color: rgba(255,255,255,0.85); margin-bottom: 30px; }

/* ===== Tool Cards ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
}
.tool-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.tool-card .tool-icon {
  width: 55px; height: 55px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 18px;
  background: var(--gradient);
}
.tool-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.tool-card h3 a { color: var(--primary); }
.tool-card p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 15px; line-height: 1.6; }
.tool-card .tool-meta {
  display: flex; align-items: center; gap: 15px;
  font-size: 0.82rem; color: var(--text-light);
}
.tool-card .tool-meta span { display: flex; align-items: center; gap: 5px; }
.tool-card .tool-featured {
  position: absolute; top: 15px; right: 15px;
  background: var(--warning); color: #fff; font-size: 0.75rem;
  padding: 3px 10px; border-radius: 20px; font-weight: 600;
}

/* ===== Features Section ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
}
.feature-card {
  text-align: center;
  padding: 40px 25px;
  border-radius: var(--radius);
  transition: var(--transition);
  background: var(--card-bg);
  border: 1px solid var(--border);
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.feature-card .feature-icon {
  width: 65px; height: 65px; margin: 0 auto 20px;
  background: var(--gradient); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: #fff;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-light); font-size: 0.9rem; }

/* ===== How It Works ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}
.step-card { text-align: center; position: relative; }
.step-number {
  width: 55px; height: 55px; margin: 0 auto 20px;
  background: var(--gradient); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 700; color: #fff;
  font-family: 'Poppins', sans-serif;
}
.step-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.step-card p { color: var(--text-light); font-size: 0.9rem; }

/* ===== Stats Counter (reference style) ===== */
.stats-counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}
.stat-counter-card { text-align: center; }
.stat-counter-card .number {
  font-size: 2.8rem;
  font-weight: 700;
  color: #fff;
  display: block;
  font-family: 'Poppins', sans-serif;
  line-height: 1.2;
}
.stat-counter-card .label { color: rgba(255,255,255,0.7); font-size: 0.9rem; }

/* ===== Example Cards (reference style) ===== */
.examples-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
.example-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.example-card .example-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 15px; color: var(--primary); }
.example-card .example-row {
  display: flex; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.example-card .example-row:last-child { border-bottom: none; }
.example-card .example-row .ex-label { color: var(--text-light); }
.example-card .example-row .ex-value { font-weight: 600; color: var(--accent); }
.example-card .example-result {
  margin-top: 15px; padding: 12px; background: rgba(0,180,216,0.08);
  border-radius: var(--radius-sm); text-align: center;
  font-size: 1.2rem; font-weight: 700; color: var(--primary);
}

/* ===== Guide / Content Sections (reference style) ===== */
.guide-section { max-width: 800px; margin: 0 auto; }
.guide-section .guide-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; background: var(--gradient);
  color: #fff; border-radius: 50%; font-size: 0.9rem;
  font-weight: 700; margin-right: 10px; flex-shrink: 0;
}
.guide-section h2 {
  display: flex; align-items: center;
  font-size: 1.6rem; margin-bottom: 20px; margin-top: 50px;
}
.guide-section h2:first-child { margin-top: 0; }
.guide-section p { color: var(--text-light); margin-bottom: 20px; line-height: 1.9; font-size: 1rem; }
.guide-section h3 { font-size: 1.15rem; margin: 30px 0 12px; color: var(--text); }

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 25px;
}
.testimonial-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.testimonial-card .stars { color: var(--warning); margin-bottom: 15px; }
.testimonial-card p { color: var(--text-light); font-size: 0.95rem; font-style: italic; margin-bottom: 15px; }
.testimonial-card .author { display: flex; align-items: center; gap: 12px; }
.testimonial-card .author .avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--gradient); display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 600; font-size: 0.9rem;
}
.testimonial-card .author .name { font-weight: 600; font-size: 0.9rem; }
.testimonial-card .author .title { font-size: 0.8rem; color: var(--text-light); }

/* ===== Newsletter ===== */
.newsletter {
  background: var(--gradient);
  padding: 80px 0;
  text-align: center;
}
.newsletter h2 { color: #fff; font-size: 2rem; margin-bottom: 15px; }
.newsletter p { color: rgba(255,255,255,0.9); margin-bottom: 30px; }
.newsletter-form {
  max-width: 500px; margin: 0 auto;
  display: flex; gap: 0;
  background: #fff; border-radius: 50px; overflow: hidden;
}
.newsletter-form input {
  flex: 1; border: none; padding: 16px 25px;
  font-size: 0.95rem; font-family: 'Inter', sans-serif; outline: none;
}
.newsletter-form button {
  padding: 16px 30px; background: var(--accent); color: #fff;
  border: none; font-weight: 600; cursor: pointer;
  transition: var(--transition); font-family: 'Inter', sans-serif;
}
.newsletter-form button:hover { background: #d81b5b; }

/* ===== Footer ===== */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer h3 { color: #fff; font-size: 1.2rem; margin-bottom: 20px; font-weight: 600; }
.footer-brand { font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 15px; display: flex; align-items: center; gap: 10px; }
.footer-brand .brand-icon { width: 32px; height: 32px; background: var(--secondary); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.footer p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.7); font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { color: #fff; padding-left: 3px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--secondary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 25px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem;
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,0.6); }
.footer-bottom-links a:hover { color: #fff; }

/* ===== Page Header ===== */
.page-header {
  background: var(--gradient);
  padding: 60px 0;
  text-align: center;
}
.page-header h1 { color: #fff; font-size: 2.5rem; margin-bottom: 10px; }
.page-header p { color: rgba(255,255,255,0.85); font-size: 1.1rem; }

/* ===== Breadcrumb ===== */
.breadcrumb { padding: 15px 0; font-size: 0.88rem; color: var(--text-light); }
.breadcrumb a { color: var(--secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 5px; color: var(--text-light); }

/* ===== Tool Page - Calculator Layout (reference style) ===== */
.tool-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin: 40px 0;
}
.tool-calculator {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 35px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.tool-calculator .calc-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 25px; padding-bottom: 20px;
  border-bottom: 2px solid var(--border);
}
.tool-calculator .calc-header .calc-icon {
  width: 45px; height: 45px;
  background: var(--gradient); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.2rem;
}
.tool-calculator .calc-header h2 { font-size: 1.3rem; margin-bottom: 2px; }
.tool-calculator .calc-header p { font-size: 0.82rem; color: var(--text-light); }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  font-size: 0.92rem;
  color: var(--text);
}
.form-group label .required { color: var(--danger); }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  background: var(--bg);
  outline: none;
}
.form-control:focus { border-color: var(--secondary); background: #fff; }
.form-control.error { border-color: var(--danger); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23636e72' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 35px; }

.input-hint { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

.btn {
  padding: 12px 30px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary { background: var(--gradient); color: #fff; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-accent { background: var(--gradient-accent); color: #fff; }
.btn-accent:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { background: #d5d8dc; }
.btn-outline {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }

/* Tool Results (reference style) */
.tool-result {
  margin-top: 25px;
  padding: 25px;
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  border-radius: var(--radius);
  border: 1px solid #bae6fd;
  display: none;
}
.tool-result.show { display: block; }
.tool-result .result-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 20px; padding-bottom: 15px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.tool-result .result-header .result-icon {
  width: 36px; height: 36px;
  background: var(--primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.95rem;
}
.tool-result .result-header h3 { font-size: 1.05rem; color: var(--primary); margin: 0; }
.result-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,0.05);
}
.result-item:last-child { border-bottom: none; }
.result-item .label { font-weight: 500; color: var(--text); font-size: 0.92rem; }
.result-item .value { font-weight: 700; color: var(--primary); font-size: 1.1rem; }
.result-item .value.highlight { color: var(--accent); font-size: 1.25rem; }
.result-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

/* Tool Info */
.tool-info h2 { font-size: 1.8rem; color: var(--primary); margin-bottom: 15px; }
.tool-info .tool-description { color: var(--text-light); margin-bottom: 25px; line-height: 1.8; }
.tool-info .tool-meta { display: flex; flex-wrap: wrap; gap: 15px; margin-bottom: 25px; }
.tool-info .tool-meta .meta-item {
  background: var(--bg); padding: 8px 16px; border-radius: 20px;
  font-size: 0.85rem; display: flex; align-items: center; gap: 6px;
}
.tool-info .how-to-use {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 25px; border: 1px solid var(--border); margin-bottom: 25px;
}
.tool-info .how-to-use h3 { font-size: 1.15rem; margin-bottom: 15px; }
.tool-info .how-to-use ul { padding-left: 20px; }
.tool-info .how-to-use li { margin-bottom: 8px; color: var(--text-light); }

/* ===== Tools Listing Page ===== */
.tools-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; margin-bottom: 30px; }
.tools-filter { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-btn {
  padding: 8px 20px;
  border: 2px solid var(--border);
  border-radius: 25px;
  background: var(--card-bg);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.filter-btn:hover, .filter-btn.active { border-color: var(--secondary); background: rgba(0,180,216,0.1); color: var(--secondary); }
.tools-search { position: relative; max-width: 350px; width: 100%; }
.tools-search input {
  width: 100%; padding: 10px 16px 10px 40px;
  border: 2px solid var(--border); border-radius: 25px;
  font-family: 'Inter', sans-serif; font-size: 0.9rem; outline: none;
}
.tools-search i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-light); }

/* ===== About Page ===== */
.about-content { max-width: 800px; margin: 0 auto; }
.about-content h2 { font-size: 1.8rem; margin-bottom: 20px; margin-top: 40px; }
.about-content p { color: var(--text-light); margin-bottom: 20px; line-height: 1.8; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 25px;
  margin: 40px 0;
}
.about-stat {
  text-align: center; padding: 30px;
  background: var(--card-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.about-stat .number { font-size: 2.5rem; font-weight: 700; color: var(--secondary); display: block; }
.about-stat .label { color: var(--text-light); font-size: 0.9rem; }

/* ===== Blog Page ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}
.blog-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.blog-card .blog-image { height: 200px; background: var(--gradient); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 2rem; }
.blog-card .blog-content { padding: 25px; }
.blog-card .blog-category {
  display: inline-block; padding: 3px 12px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 600; color: #fff; margin-bottom: 12px;
}
.blog-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.blog-card h3 a { color: var(--primary); }
.blog-card p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 15px; }
.blog-card .blog-meta { display: flex; gap: 15px; font-size: 0.82rem; color: var(--text-light); }

/* ===== Contact Page ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin: 40px 0; }
.contact-info h3 { margin-bottom: 20px; }
.contact-info .info-item { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 20px; }
.contact-info .info-item i { width: 40px; height: 40px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; flex-shrink: 0; }
.contact-info .info-item .text h4 { font-size: 1rem; margin-bottom: 3px; }
.contact-info .info-item .text p { color: var(--text-light); font-size: 0.9rem; }
.contact-form { background: var(--card-bg); border-radius: var(--radius); padding: 35px; box-shadow: var(--shadow); border: 1px solid var(--border); }

/* ===== FAQ ===== */
.faq-section { max-width: 800px; margin: 40px auto; }
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
}
.faq-question {
  padding: 18px 22px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-question:hover { background: rgba(0,180,216,0.05); }
.faq-question i { transition: var(--transition); font-size: 0.9rem; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition);
  color: var(--text-light);
  font-size: 0.92rem;
}
.faq-item.active .faq-answer { padding: 0 22px 18px; max-height: 300px; }

/* ===== Pagination ===== */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a, .pagination span {
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: var(--transition);
  color: var(--text);
  background: var(--card-bg);
}
.pagination a:hover { border-color: var(--secondary); color: var(--secondary); }
.pagination .active { background: var(--gradient); color: #fff; border-color: transparent; }
.pagination .disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== Alert / Toast ===== */
.alert { padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.92rem; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

.toast {
  position: fixed; bottom: 30px; right: 30px;
  padding: 16px 24px; border-radius: var(--radius-sm);
  color: #fff; font-weight: 500; font-size: 0.9rem;
  transform: translateY(100px); opacity: 0;
  transition: var(--transition); z-index: 9999;
  box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }

/* ===== Share Buttons ===== */
.share-buttons { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.share-btn {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; transition: var(--transition); border: none; cursor: pointer;
}
.share-btn:hover { transform: scale(1.1); }
.share-btn.facebook { background: #1877f2; }
.share-btn.twitter { background: #1da1f2; }
.share-btn.whatsapp { background: #25d366; }
.share-btn.linkedin { background: #0077b5; }
.share-btn.copy { background: var(--text-light); }

/* ===== Spinner ===== */
.spinner { width: 30px; height: 30px; border: 3px solid var(--border); border-top-color: var(--secondary); border-radius: 50%; animation: spin 0.7s linear infinite; margin: 20px auto; }

/* ===== 404 / Error ===== */
.error-page { text-align: center; padding: 100px 0; }
.error-page h1 { font-size: 6rem; color: var(--secondary); }
.error-page h2 { font-size: 2rem; margin-bottom: 15px; }
.error-page p { color: var(--text-light); margin-bottom: 30px; }
.error-actions { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
.error-search { text-align: center; max-width: 500px; margin: 0 auto; }
.error-search h3 { margin-bottom: 15px; font-size: 1.3rem; }
.error-search-form { display: flex; gap: 0; border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow); }
.error-search-form input { flex: 1; padding: 14px 18px; border: 1px solid var(--border); border-right: none; font-size: 1rem; outline: none; font-family: inherit; }
.error-search-form input:focus { border-color: var(--secondary); }
.error-search-form button { padding: 14px 24px; background: var(--secondary); color: #fff; border: none; font-size: 1rem; cursor: pointer; font-weight: 600; font-family: inherit; transition: var(--transition); }
.error-search-form button:hover { background: var(--primary); }

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px;
  width: 45px; height: 45px;
  background: var(--gradient); color: #fff;
  border: none; border-radius: 50%;
  cursor: pointer; font-size: 1.1rem;
  opacity: 0; visibility: hidden;
  transition: var(--transition); z-index: 999;
  box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); }

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .hero h1 { font-size: 2.2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .tool-wrapper { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; max-width: 400px; }
  .hero-stats { gap: 25px; flex-wrap: wrap; }
  .examples-grid { grid-template-columns: 1fr; }
  .stats-counter-grid { grid-template-columns: 1fr 1fr; gap: 25px; }
  .trust-badges { gap: 20px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 70px; left: 0; width: 100%;
    background: var(--card-bg); flex-direction: column;
    padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-100%); opacity: 0;
    transition: var(--transition); pointer-events: none;
    z-index: 999;
  }
  .blog-layout { grid-template-columns: 1fr; }
  .nav-links.active { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 1rem; }
  .hero-search { flex-direction: column; border-radius: var(--radius-sm); }
  .hero-search input { border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
  .hero-search button { border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
  .tools-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 15px; text-align: center; }
  .page-header h1 { font-size: 1.8rem; }
  .tools-header { flex-direction: column; align-items: stretch; }
  .tools-search { max-width: 100%; }
  .blog-grid { grid-template-columns: 1fr; }
  .stats-counter-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero { padding: 60px 0; }
  .hero h1 { font-size: 1.5rem; }
  .section { padding: 50px 0; }
  .tool-card { padding: 20px; }
  .tool-calculator { padding: 20px; }
  .contact-form { padding: 20px; }
  .hero-stats { flex-direction: column; gap: 15px; }
  .hero-stat .number { font-size: 1.5rem; }
  .trust-badges { flex-direction: column; align-items: center; gap: 12px; }
  .stats-counter-grid { grid-template-columns: 1fr; }
}

/* ===== File Upload / PDF & Image Tools ===== */
.file-upload-wrapper { position: relative; }
.file-upload-wrapper input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; z-index: 2;
  width: 100%; height: 100%;
}
.file-upload-area {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 30px 20px; text-align: center; transition: var(--transition);
  background: var(--bg);
}
.file-upload-area:hover { border-color: var(--secondary); background: rgba(0,180,216,0.03); }
.file-upload-area i { font-size: 2.5rem; color: var(--secondary); margin-bottom: 10px; }
.file-upload-area p { font-weight: 500; color: var(--text); margin-bottom: 5px; }
.file-upload-area p span { color: var(--secondary); text-decoration: underline; }
.file-upload-area small { color: var(--text-light); font-size: 0.8rem; }
.file-preview { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.file-preview-item {
  width: 70px; height: 70px; border-radius: var(--radius-sm);
  overflow: hidden; border: 1px solid var(--border); position: relative;
}
.file-preview-item img { width: 100%; height: 100%; object-fit: cover; }
.file-info-bar {
  width: 100%; font-size: 0.8rem; color: var(--text-light);
  padding: 5px 10px; background: var(--bg); border-radius: var(--radius-sm);
}

.password-wrapper { display: flex; gap: 0; }
.password-wrapper .form-control { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.password-toggle {
  padding: 10px 14px; border: 1px solid var(--border);
  border-left: none; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--bg); cursor: pointer; color: var(--text-light);
  transition: var(--transition);
}
.password-toggle:hover { color: var(--secondary); }

/* ===== Invoice Generator ===== */
.invoice-section {
  margin-top: 20px; padding: 20px; background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.invoice-section-title {
  font-size: 1rem; color: var(--primary); margin: 0 0 15px;
  display: flex; align-items: center; gap: 8px;
}
.invoice-items-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.invoice-items-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.invoice-items-table th {
  background: var(--primary); color: #fff; padding: 8px 10px;
  text-align: left; font-weight: 500; font-size: 0.8rem;
}
.invoice-items-table td { padding: 6px 8px; vertical-align: middle; }
.invoice-items-table .form-control {
  padding: 6px 8px; font-size: 0.85rem; min-height: 32px;
}
.invoice-items-table .item-amount {
  font-weight: 600; text-align: right; padding-right: 10px;
  font-family: 'Courier New', monospace;
}
.remove-item {
  width: 28px; height: 28px; padding: 0; display: flex;
  align-items: center; justify-content: center;
  font-size: 1rem; line-height: 1;
}
.invoice-summary {
  margin-top: 15px; padding-top: 12px; border-top: 2px solid var(--border);
  max-width: 320px; margin-left: auto;
}
.summary-row {
  display: flex; justify-content: space-between; padding: 5px 0;
  font-size: 0.9rem; color: var(--text);
}
.summary-row.total {
  font-size: 1.1rem; font-weight: 700; color: var(--primary);
  border-top: 2px solid var(--primary); margin-top: 5px; padding-top: 8px;
}
.invoice-preview { line-height: 1.5; }
.invoice-preview h2, .invoice-preview h3, .invoice-preview h4 { margin-top: 0; }
@media print {
  .invoice-preview { border: none !important; padding: 0 !important; margin: 0 !important; }
  .invoice-preview table { page-break-inside: auto; }
  .invoice-preview tr { page-break-inside: avoid; }
}
body, .nav-links, .invoice-items-wrapper, .file-preview, .tool-description { -webkit-overflow-scrolling: touch; }

/* ===== Blog Post ===== */
.blog-post-header { padding: 50px 0; }
.blog-post-meta { margin-bottom: 25px; display: flex; gap: 20px; flex-wrap: wrap; font-size: 0.88rem; color: var(--text-light); }
.blog-post-body { line-height: 1.9; color: var(--text); font-size: 1.05rem; }
.blog-post-body img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 20px 0; }
.blog-tags { margin-top: 30px; display: flex; gap: 8px; flex-wrap: wrap; }
.blog-tag { background: var(--bg); padding: 5px 14px; border-radius: 20px; font-size: 0.82rem; color: var(--text-light); }
.blog-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
.blog-post-card { background: var(--card-bg); border-radius: var(--radius); padding: 35px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.blog-sidebar-card { background: var(--card-bg); border-radius: var(--radius); padding: 25px; border: 1px solid var(--border); box-shadow: var(--shadow); margin-bottom: 25px; }
.blog-sidebar-card h4 { margin-bottom: 15px; font-size: 1.1rem; }
.blog-sidebar-card ul { list-style: none; }
.blog-sidebar-card li { margin-bottom: 8px; }
.blog-sidebar-card li a { color: var(--text); font-size: 0.9rem; }
.blog-popular-item { margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px solid var(--border); }
.blog-popular-item a { font-weight: 500; font-size: 0.9rem; color: var(--text); display: block; margin-bottom: 5px; }
.blog-popular-item .meta { font-size: 0.8rem; color: var(--text-light); }
.blog-sidebar-list { list-style: none; }
.blog-sidebar-list li { margin-bottom: 8px; }
.blog-sidebar-list a { color: var(--text); font-size: 0.9rem; }
.blog-sidebar-list a.active { font-weight: 600; }

/* ===== Resume Builder ===== */
.resume-section {
  margin-top: 20px; padding: 20px; background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.resume-section-title {
  font-size: 1rem; color: var(--primary); margin: 0 0 15px;
  display: flex; align-items: center; gap: 8px;
}
.resume-entry {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 15px; margin-bottom: 12px;
  position: relative;
}
.resume-entry .remove-entry {
  position: absolute; top: 10px; right: 10px;
}
.resume-entry .entry-fields { padding-right: 30px; }
.resume-entry .form-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px;
}
@media (max-width: 600px) {
  .resume-entry .form-row { grid-template-columns: 1fr; }
  .resume-entry .entry-fields[style*="flex"] { flex-direction: column !important; }
  .resume-entry .entry-fields[style*="flex"] .form-group[style*="160px"] { flex: 1 1 auto !important; }
  .invoice-items-table th, .invoice-items-table td { padding: 6px 4px; }
  .invoice-items-table input { min-height: 36px; font-size: 16px; }
  .remove-item, .btn-sm.btn-danger.remove-item { min-width: 36px; min-height: 36px; font-size: 1.1rem; }
}
.resume-preview { line-height: 1.5; }
.resume-preview h1, .resume-preview h3 { margin-top: 0; }
.resume-preview .fa-envelope,
.resume-preview .fa-phone,
.resume-preview .fa-location-dot,
.resume-preview .fa-linkedin,
.resume-preview .fa-globe { margin-right: 4px; }
/* ===== 3D Carousel ===== */
.carousel-section {
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg) 0%, rgba(26,35,126,0.03) 100%);
}
.tools-action-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 50px;
  flex-wrap: wrap;
}
.carousel-3d-wrapper {
  perspective: 1200px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}
.carousel-3d {
  width: 60px;
  height: 60px;
  transform-style: preserve-3d;
  animation: carouselSpin 30s linear infinite;
  position: relative;
}
.carousel-3d:hover {
  animation-play-state: paused;
}
.carousel-3d-reverse {
  animation: carouselSpinReverse 30s linear infinite;
}
.carousel-3d-reverse:hover {
  animation-play-state: paused;
}
.carousel-item {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15), inset 0 -3px 6px rgba(0,0,0,0.1);
  backface-visibility: hidden;
  transition: filter 0.3s ease, box-shadow 0.3s ease;
  left: 50%;
  top: 50%;
  margin-left: -30px;
  margin-top: -30px;
  cursor: pointer;
}
.carousel-item:hover {
  filter: brightness(1.15);
  box-shadow: 0 6px 25px rgba(0,0,0,0.3), 0 0 20px rgba(255,255,255,0.15);
  z-index: 10;
}
.carousel-item span {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: var(--text-light);
  white-space: nowrap;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.carousel-item:hover span {
  opacity: 1;
}
.carousel-3d-wrapper::before,
.carousel-3d-wrapper::after {
  content: '';
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 4px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0,0,0,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.carousel-3d-wrapper::after {
  width: 140px;
  height: 3px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.05) 0%, transparent 70%);
  bottom: 20px;
}

@keyframes carouselSpin {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(-360deg); }
}
@keyframes carouselSpinReverse {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(360deg); }
}

@media (max-width: 768px) {
  .carousel-3d-wrapper { height: 260px; }
  .carousel-3d { width: 50px; height: 50px; }
  .carousel-item { width: 50px; height: 50px; font-size: 1.1rem; margin-left: -25px; margin-top: -25px; }
  .carousel-item span { font-size: 0.6rem; bottom: -24px; }
  .carousel-3d-wrapper::before { width: 140px; bottom: 20px; }
  .carousel-3d-wrapper::after { width: 100px; bottom: 12px; }
  .tools-action-layout { gap: 30px; }
}

@media (max-width: 480px) {
  .carousel-3d-wrapper { height: 220px; }
  .tools-action-layout { gap: 20px; }
}

@supports not (transform-style: preserve-3d) {
  .carousel-3d-wrapper { display: none; }
}

/* ===== Tools Cube ===== */
.tools-cube {
  width: 150px;
  height: 150px;
  transform-style: preserve-3d;
  animation: cubeSpin 18s linear infinite;
  position: relative;
  flex-shrink: 0;
}
.tools-cube:hover {
  animation-play-state: paused;
}
.cube-face {
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
  box-shadow: inset 0 -3px 8px rgba(0,0,0,0.15), 0 4px 15px rgba(0,0,0,0.1);
  border: 1px solid rgba(255,255,255,0.1);
}
.cube-face.front  { transform: translateZ(75px); }
.cube-face.back   { transform: rotateY(180deg) translateZ(75px); }
.cube-face.right  { transform: rotateY(90deg) translateZ(75px); }
.cube-face.left   { transform: rotateY(-90deg) translateZ(75px); }
.cube-face.top    { transform: rotateX(90deg) translateZ(75px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(75px); }
.cube-icon-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  width: 100%;
  height: 100%;
  transition: filter 0.3s ease;
}
.cube-icon-link:hover {
  filter: brightness(1.2);
}
.cube-icon-link i {
  font-size: 2.2rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.cube-icon-link span {
  font-size: 0.7rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  text-align: center;
  text-shadow: 0 1px 4px rgba(0,0,0,0.15);
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@keyframes cubeSpin {
  0%   { transform: rotateX(-20deg) rotateY(0deg); }
  25%  { transform: rotateX(20deg) rotateY(90deg); }
  50%  { transform: rotateX(-20deg) rotateY(180deg); }
  75%  { transform: rotateX(20deg) rotateY(270deg); }
  100% { transform: rotateX(-20deg) rotateY(360deg); }
}

@media (max-width: 768px) {
  .tools-cube { width: 120px; height: 120px; }
  .cube-face { width: 120px; height: 120px; }
  .cube-face.front  { transform: translateZ(60px); }
  .cube-face.back   { transform: rotateY(180deg) translateZ(60px); }
  .cube-face.right  { transform: rotateY(90deg) translateZ(60px); }
  .cube-face.left   { transform: rotateY(-90deg) translateZ(60px); }
  .cube-face.top    { transform: rotateX(90deg) translateZ(60px); }
  .cube-face.bottom { transform: rotateX(-90deg) translateZ(60px); }
  .cube-icon-link i { font-size: 1.8rem; }
  .cube-icon-link span { font-size: 0.6rem; }
}

@media (max-width: 480px) {
  .tools-cube { width: 100px; height: 100px; }
  .cube-face { width: 100px; height: 100px; }
  .cube-face.front  { transform: translateZ(50px); }
  .cube-face.back   { transform: rotateY(180deg) translateZ(50px); }
  .cube-face.right  { transform: rotateY(90deg) translateZ(50px); }
  .cube-face.left   { transform: rotateY(-90deg) translateZ(50px); }
  .cube-face.top    { transform: rotateX(90deg) translateZ(50px); }
  .cube-face.bottom { transform: rotateX(-90deg) translateZ(50px); }
  .cube-icon-link i { font-size: 1.4rem; }
  .cube-icon-link span { font-size: 0.5rem; }
}

/* ===== Wave Slider ===== */
.wave-slider-section {
  width: 100%;
  overflow: hidden;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  padding: 25px 0;
  position: relative;
}
.wave-slider-section::before,
.wave-slider-section::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 60px;
  z-index: 2;
  pointer-events: none;
}
.wave-slider-section::before {
  left: 0;
  background: linear-gradient(90deg, var(--primary), transparent);
}
.wave-slider-section::after {
  right: 0;
  background: linear-gradient(270deg, var(--secondary), transparent);
}
.wave-slider-track {
  display: flex;
  gap: 18px;
  width: fit-content;
  animation: waveScroll 40s linear infinite;
}
.wave-slider-item {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(0,0,0,0.15), inset 0 -2px 5px rgba(0,0,0,0.08);
  animation: waveBounce 2.5s ease-in-out infinite;
  transition: filter 0.3s ease, box-shadow 0.3s ease;
}
.wave-slider-item:hover {
  filter: brightness(1.2);
  box-shadow: 0 5px 20px rgba(0,0,0,0.25), 0 0 15px rgba(255,255,255,0.2);
}
.wave-slider-item:nth-child(even) {
  animation-delay: -1.25s;
}
.wave-slider-item:nth-child(3n) {
  animation-delay: -0.6s;
}
.wave-slider-item:nth-child(5n+2) {
  animation-delay: -1.8s;
}

@keyframes waveScroll {
  to { transform: translateX(-33.333%); }
}

@keyframes waveBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 768px) {
  .wave-slider-section { padding: 18px 0; }
  .wave-slider-item { width: 42px; height: 42px; font-size: 1rem; }
  .wave-slider-track { gap: 14px; }
  .wave-slider-section::before,
  .wave-slider-section::after { width: 30px; }
}

@media (max-width: 480px) {
  .wave-slider-section { padding: 14px 0; }
  .wave-slider-item { width: 36px; height: 36px; font-size: 0.85rem; }
  .wave-slider-track { gap: 10px; }
  @keyframes waveBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
  }
}

@media print {
  .resume-preview { border: none !important; border-radius: 0 !important; margin: 0 !important; }
}