/* ============================================================
   XELIANCE POWER — PREMIUM GOLDEN THEME
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Variables ── */
:root {
  --gold-deep: #B8860B;
  --gold-mid: #D4A017;
  --gold-bright: #FFD700;
  --gold-light: #FFF1A8;
  --gold-pale: #FFFDE7;
  --dark-bg: #0A0A0F;
  --dark-card: #12121A;
  --dark-border: #1E1E2E;
  --dark-surface: #161622;
  --white: #FFFFFF;
  --text-primary: #F5F5F0;
  --text-muted: #9E9E9E;
  --accent-glow: rgba(212, 160, 23, 0.35);

  --font-serif: 'Poppins', system-ui, sans-serif;
  --font-sans: 'Poppins', system-ui, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-gold: 0 0 30px rgba(212, 160, 23, 0.25), 0 4px 24px rgba(0, 0, 0, 0.6);
  --transition: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--dark-bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── Typography ── */
h5 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
}

p {
  font-size: 1rem;
  color: var(--text-muted);
}

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

a:hover {
  color: var(--gold-bright);
}

/* ── Gold Gradient Text ── */
.gold-text {
  background: linear-gradient(135deg, var(--gold-deep), var(--gold-bright), var(--gold-mid));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Gold Divider ── */
.gold-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold-mid), transparent);
  margin: 1rem auto 2rem;
  border-radius: 2px;
}

.gold-divider.left {
  margin-left: 0;
}

/* ── Section Layout ── */
.section {
  padding: 90px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-center {
  text-align: center;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-mid);
  margin-bottom: 0.5rem;
}

/* ── Gold Card ── */
.gold-card {
  background: var(--dark-card);
  border: 1px solid rgba(212, 160, 23, 0.2);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.gold-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 160, 23, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.gold-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-gold);
  border-color: rgba(212, 160, 23, 0.5);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  outline: none;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-deep), var(--gold-bright));
  color: #111;
  box-shadow: 0 4px 20px rgba(212, 160, 23, 0.4);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(212, 160, 23, 0.55);
  color: #000;
}

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

.btn-outline:hover {
  background: var(--gold-mid);
  color: #111;
  transform: translateY(-2px);
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(212, 160, 23, 0.1);
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.98);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold-bright) 40%, var(--gold-mid) 70%, var(--gold-bright) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
  display: inline-flex;
  align-items: center;
}

.nav-logo.has-img {
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
  background-clip: initial;
  animation: none;
}

.nav-logo img {
  height: 42px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-mid);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-bright);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold-mid);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(10, 10, 15, 0.98);
  border-bottom: 1px solid rgba(212, 160, 23, 0.15);
  padding: 20px 32px 28px;
  flex-direction: column;
  gap: 20px;
}

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

.mobile-nav a {
  color: var(--text-muted);
  font-size: 1rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.mobile-nav a:hover {
  color: var(--gold-bright);
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  padding: 160px 24px 80px;
  text-align: center;
  position: relative;
  background: radial-gradient(ellipse at top, rgba(212, 160, 23, 0.08) 0%, transparent 65%);
  border-bottom: 1px solid rgba(212, 160, 23, 0.08);
}

.page-hero h1 {
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Footer ── */
.footer {
  background: linear-gradient(180deg, var(--dark-card) 0%, #0A0900 100%);
  border-top: 1px solid rgba(212, 160, 23, 0.25);
  padding: 60px 40px 30px;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-mid), var(--gold-bright), var(--gold-mid), transparent);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-serif);
  color: var(--gold-mid);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-col ul li a:hover {
  color: var(--gold-bright);
}

.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── Animations ── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }

  100% {
    background-position: 200% center;
  }
}

@keyframes pulse-gold {

  0%,
  100% {
    box-shadow: 0 0 12px rgba(212, 160, 23, 0.3);
  }

  50% {
    box-shadow: 0 0 30px rgba(212, 160, 23, 0.7);
  }
}

@keyframes floatY {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@keyframes goldBorderPulse {

  0%,
  100% {
    border-color: rgba(212, 160, 23, 0.2);
  }

  50% {
    border-color: rgba(212, 160, 23, 0.55);
  }
}

@keyframes goldGlow {

  0%,
  100% {
    box-shadow: 0 0 15px rgba(212, 160, 23, 0.15);
  }

  50% {
    box-shadow: 0 0 40px rgba(212, 160, 23, 0.45);
  }
}

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 {
  transition-delay: 0.1s;
}

.fade-up-delay-2 {
  transition-delay: 0.2s;
}

.fade-up-delay-3 {
  transition-delay: 0.3s;
}

.fade-up-delay-4 {
  transition-delay: 0.4s;
}

/* ── Grid Utilities ── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--gold-deep);
  border-radius: 3px;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .navbar {
    padding: 0 20px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .section {
    padding: 60px 20px;
  }
}

/* ── Three.js Canvas Overlay ── */
#threejs-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── Legal Page Styles ── */
.legal-content {
  max-width: 860px;
  margin: 0 auto;
}

.legal-content h2 {
  color: var(--gold-mid);
  margin: 2.5rem 0 1rem;
  font-size: 1.3rem;
  font-family: var(--font-serif);
}

.legal-content h3 {
  color: var(--text-primary);
  margin: 1.5rem 0 0.75rem;
  font-size: 1.05rem;
}

.legal-content p {
  margin-bottom: 1rem;
  line-height: 1.85;
}

.legal-content ul {
  margin: 0.75rem 0 1rem 1.5rem;
}

.legal-content ul li {
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.legal-content .intro-box {
  background: var(--dark-card);
  border-left: 4px solid var(--gold-mid);
  padding: 1.5rem 2rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 2.5rem;
}

/* ============================================================
   REGISTRATION & PAYMENT MODAL STYLES
   ============================================================ */

.payment-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 8, 0.9);
  backdrop-filter: blur(12px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.payment-modal.open {
  display: flex;
}

.payment-modal-content {
  background: var(--dark-card);
  border: 1px solid rgba(212, 160, 23, 0.3);
  box-shadow: 0 0 60px rgba(212, 160, 23, 0.15);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 650px;
  position: relative;
  padding: 40px;
  max-height: 90vh;
  overflow-y: auto;
}

.payment-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
}

.payment-modal-close:hover {
  color: var(--gold-bright);
}

.payment-modal-header {
  margin-bottom: 24px;
}

.payment-modal-header h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.payment-modal-header p {
  font-size: 0.9rem;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 16px;
}

@media (max-width: 580px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.form-group {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold-mid);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(212, 160, 23, 0.15);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group textarea {
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold-mid);
  box-shadow: 0 0 10px rgba(212, 160, 23, 0.2);
}

.payment-terms-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 20px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.payment-terms-checkbox input {
  margin-top: 4px;
  accent-color: var(--gold-mid);
  cursor: pointer;
}

.payment-terms-checkbox a {
  text-decoration: underline;
}

.btn-pay-now {
  transition: transform var(--transition), box-shadow var(--transition);
}

.modal-status-msg {
  display: none;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 16px;
  text-align: center;
}

.modal-status-msg.error {
  display: block;
  background: rgba(244, 67, 54, 0.1);
  border: 1px solid rgba(244, 67, 54, 0.3);
  color: #f44336;
}

.modal-status-msg.success {
  display: block;
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
  color: #4caf50;
}

.modal-status-msg.info {
  display: block;
  background: rgba(212, 160, 23, 0.1);
  border: 1px solid rgba(212, 160, 23, 0.3);
  color: var(--gold-bright);
}

.fade-in-scale {
  animation: fadeInScale 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ── Contest Rules, AI Warning & Word Counter ── */
.rules-box {
  background: rgba(212, 160, 23, 0.05);
  border: 1px dashed rgba(212, 160, 23, 0.3);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  line-height: 1.5;
}

.rules-box-title {
  font-weight: 700;
  color: var(--gold-bright);
  margin-bottom: 8px;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.rules-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
  padding-left: 0;
}

.rules-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-muted);
}

.rules-list li::before {
  content: "•";
  color: var(--gold-mid);
  font-weight: bold;
}

.ai-note {
  border-top: 1px solid rgba(212, 160, 23, 0.15);
  padding-top: 8px;
  margin-top: 8px;
  color: #ffb74d;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.word-counter {
  text-align: right;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 500;
}

.word-counter.limit-exceeded {
  color: #f44336;
  font-weight: 600;
}