/* =============================================
   Romabet - Ana CSS Dosyası
   Renk Teması: Koyu Mor / Altın
   ============================================= */

:root {
  --bg-dark: #0d0b1e;
  --bg-card: #1a1535;
  --bg-card2: #231d47;
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: #2d2757;
  --success: #10b981;
  --header-bg: #09071a;
  --footer-bg: #060412;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

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

ul {
  list-style: none;
}

/* =============================================
   HEADER
   ============================================= */
.site-header {
  background: var(--header-bg);
  border-bottom: 2px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(124, 58, 237, 0.4);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 1rem;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.logo-wrap img {
  height: 44px;
  width: auto;
}

.site-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* NAV */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.main-nav a {
  color: var(--text);
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--primary);
  color: #fff;
}

/* HEADER BUTTONS */
.header-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.5);
}

.btn-accent {
  background: var(--accent);
  color: #0d0b1e;
}

.btn-accent:hover {
  background: var(--accent-hover);
  color: #0d0b1e;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #0d0b1e;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 0.8rem 2rem;
  font-size: 1.05rem;
  border-radius: 10px;
}

.btn-xl {
  padding: 1rem 2.5rem;
  font-size: 1.15rem;
  border-radius: 12px;
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  background: var(--header-bg);
  border-top: 1px solid var(--border);
  padding: 1rem;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: block;
  color: var(--text);
  padding: 0.6rem 1rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.2s;
}

.mobile-nav a:hover {
  background: var(--primary);
  color: #fff;
}

.mobile-nav .mobile-btns {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
}

.mobile-nav .mobile-btns .btn {
  flex: 1;
}

/* =============================================
   BREADCRUMB
   ============================================= */
.breadcrumb-wrap {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0;
}

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.breadcrumb-inner a {
  color: var(--text-muted);
}

.breadcrumb-inner a:hover {
  color: var(--accent);
}

.breadcrumb-inner .sep {
  color: var(--border);
}

.breadcrumb-inner .current {
  color: var(--accent);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  background: linear-gradient(135deg, #09071a 0%, #1a1535 50%, #0d1a2e 100%);
  padding: 5rem 1rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(124,58,237,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.2rem;
  color: #fff;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
}

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

.hero-image {
  margin-top: 3rem;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  border: 1px solid var(--border);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   MAIN CONTENT
   ============================================= */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1rem;
}

.section {
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}

.section-subtitle {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin: 1.5rem 0 0.8rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text);
}

/* CARDS GRID */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
  border-color: var(--primary);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* IMAGE SECTION */
.image-section {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  margin: 2rem 0;
}

.image-text-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin: 2rem 0;
}

.image-text-grid.reverse {
  direction: rtl;
}

.image-text-grid.reverse > * {
  direction: ltr;
}

/* FEATURES LIST */
.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.feature-item .icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.feature-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.feature-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* BONUS BOX */
.bonus-box {
  background: linear-gradient(135deg, var(--bg-card2), var(--bg-card));
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
  margin: 2rem 0;
  position: relative;
  overflow: hidden;
}

.bonus-box::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(245,158,11,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.bonus-amount {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.bonus-label {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* STEPS */
.steps-list {
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.2rem;
  background: var(--bg-card);
  border-radius: 10px;
  border: 1px solid var(--border);
  counter-increment: steps;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.3rem;
}

.step-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.faq-question {
  padding: 1.1rem 1.4rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}

.faq-question:hover {
  background: var(--bg-card2);
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 1.4rem 1.1rem;
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.8;
  border-top: 1px solid var(--border);
}

.faq-item.open .faq-answer {
  display: block;
}

/* TABLE */
.styled-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
  font-size: 0.9rem;
}

.styled-table th {
  background: var(--primary);
  color: #fff;
  padding: 0.9rem 1rem;
  text-align: left;
  font-weight: 600;
}

.styled-table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

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

.styled-table tr:nth-child(even) {
  background: var(--bg-card2);
}

/* BADGE */
.badge {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-green {
  background: rgba(16,185,129,0.2);
  color: var(--success);
}

.badge-purple {
  background: rgba(124,58,237,0.2);
  color: var(--primary);
}

.badge-gold {
  background: rgba(245,158,11,0.2);
  color: var(--accent);
}

/* CTA SECTION */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, #4c1d95 100%);
  border-radius: 16px;
  padding: 3rem 2rem;
  text-align: center;
  margin: 3rem 0;
}

.cta-section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #fff;
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(255,255,255,0.8);
  max-width: 500px;
  margin: 0 auto 1.5rem;
}

/* BLOG GRID */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}

.blog-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.blog-card-body {
  padding: 1.2rem;
}

.blog-card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.blog-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.4;
}

.blog-card p {
  font-size: 0.87rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* PAGE LAYOUT WITH SIDEBAR */
.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 90px;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-widget h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-links li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}

.sidebar-links li:last-child {
  border-bottom: none;
}

.sidebar-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.sidebar-links a:hover {
  color: var(--accent);
}

/* CONTACT FORM */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color 0.2s;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border);
  padding: 4rem 1rem 2rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.footer-col p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.footer-contact-item span {
  font-size: 1rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.footer-logo img {
  height: 36px;
}

.footer-logo span {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}

/* DISCLAIMER */
.disclaimer {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 1.5rem 0;
}

/* ARTICLE / BLOG */
.article-header {
  margin-bottom: 2rem;
}

.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.article-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
  align-items: center;
  margin-bottom: 1.5rem;
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin: 2rem 0 1rem;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin: 1.5rem 0 0.7rem;
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1rem 1.5rem;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  color: var(--text);
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

/* HIGHLIGHT BOX */
.highlight-box {
  background: var(--bg-card2);
  border-left: 4px solid var(--primary);
  border-radius: 0 8px 8px 0;
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}

.highlight-box p {
  margin: 0;
  color: var(--text);
}

/* INFO BOX */
.info-box {
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 10px;
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}

.warning-box {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 10px;
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}

/* RATING STARS */
.rating {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.2rem;
  color: var(--accent);
}

.rating-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* PAGE INTRO */
.page-intro {
  background: linear-gradient(135deg, var(--bg-card2), var(--bg-card));
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
}

.page-intro h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.page-intro p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .main-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .page-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .image-text-grid {
    grid-template-columns: 1fr;
  }

  .image-text-grid.reverse {
    direction: ltr;
  }

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

@media (max-width: 600px) {
  .header-inner {
    height: 60px;
  }

  .site-name {
    font-size: 1.1rem;
  }

  .header-actions .btn:first-child {
    display: none;
  }

  .hero {
    padding: 3rem 1rem;
  }

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

  .bonus-box {
    padding: 1.5rem 1rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .hero-btns {
    flex-direction: column;
    align-items: center;
  }
}

/* =============================================
   UTILITY
   ============================================= */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.d-flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }

/* SCROLL TO TOP */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(124,58,237,0.5);
  transition: background 0.2s, transform 0.2s;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.2s;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}