/* ==========================================
   橼动体育官网 - 主样式文件
   上海橼动体育发展有限公司
   ========================================== */

/* ---- CSS Variables ---- */
:root {
  --primary: #00c896;
  --primary-dark: #00a87e;
  --primary-light: #e6faf5;
  --accent: #ff6b35;
  --accent-dark: #e85a28;
  --dark: #0a0f1e;
  --dark-2: #111827;
  --dark-3: #1c2536;
  --dark-card: #151d2e;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-600: #4b5563;
  --white: #ffffff;
  --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-en: 'Inter', sans-serif;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px rgba(0, 200, 150, 0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-cn);
  background: var(--dark);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ---- Container ---- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Section Base ---- */
.section {
  padding: 100px 0;
  position: relative;
}

/* ---- Utility ---- */
.mt-4 { margin-top: 1.5rem; }
.text-accent { color: var(--primary); }

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn i { font-size: 0.95em; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 200, 150, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 200, 150, 0.5);
  background: linear-gradient(135deg, #00e0ab, var(--primary));
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.35);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}
.btn-ghost {
  background: rgba(0, 200, 150, 0.1);
  color: var(--primary);
  border: 1.5px solid rgba(0, 200, 150, 0.3);
}
.btn-ghost:hover {
  background: rgba(0, 200, 150, 0.2);
  border-color: var(--primary);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
}
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }
.btn-block { width: 100%; justify-content: center; }

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  box-shadow: var(--shadow);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
  flex-shrink: 0;
}

.logo-icon2 {
  width: 56px;
  height: 40px;
  /*background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 10px;*/
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-main {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.05em;
}
.logo-sub {
  font-family: var(--font-en);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.12em;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  border-radius: 6px;
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  color: var(--white) !important;
  padding: 8px 20px !important;
  border-radius: 50px !important;
  box-shadow: 0 4px 15px rgba(0,200,150,0.3);
}
.nav-cta:hover {
  background: none !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,200,150,0.4) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: #041a0e;
}

/* ---- Canvas 全屏背景 ---- */
.tennis-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

/* ---- 顶部渐变遮罩：左侧加深保证文字可读，右下保留场地感 ---- */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(105deg,
      rgba(4,20,10,0.92) 0%,
      rgba(4,20,10,0.78) 38%,
      rgba(4,20,10,0.38) 62%,
      rgba(4,20,10,0.08) 100%
    ),
    linear-gradient(to top,
      rgba(4,20,10,0.7) 0%,
      transparent 35%
    );
}

/* ---- 光晕 orb ---- */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 2;
}
.hero-orb-1 {
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(0,200,150,0.28) 0%, transparent 70%);
  top: -180px;
  right: 5%;
  animation: orbPulse 6s ease-in-out infinite;
}
.hero-orb-2 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(207,239,71,0.15) 0%, transparent 70%);
  bottom: -120px;
  left: 30%;
  animation: orbPulse 8s ease-in-out infinite 2s;
}
@keyframes orbPulse {
  0%, 100% { transform: scale(1);   opacity: 1; }
  50%       { transform: scale(1.12); opacity: 0.7; }
}

/* ---- 浮动网球粒子层 ---- */
.hero-balls-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
}
.hball {
  position: absolute;
  border-radius: 50%;
  /* 网球黄绿 + 达布纹 — 用 radial-gradient 模拟 */
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,0.55) 0%, transparent 40%),
    radial-gradient(circle at 65% 65%, rgba(255,255,255,0.08) 0%, transparent 35%),
    radial-gradient(circle, #d4e84a 0%, #b5c93a 55%, #8fa82e 100%);
  box-shadow:
    inset -3px -3px 6px rgba(0,0,0,0.35),
    inset 2px 2px 4px rgba(255,255,255,0.3),
    0 0 20px rgba(207,239,71,0.4),
    0 6px 18px rgba(0,0,0,0.5);
  animation: hballFloat var(--dur, 5s) ease-in-out infinite var(--delay, 0s);
  opacity: var(--op, 0.9);
}
/* 网球的强特征—大白线（达布分缝）利用 before/after */
.hball::before {
  content: '';
  position: absolute;
  width: 110%;
  height: 30%;
  border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,0.5);
  top: 38%;
  left: -5%;
  transform: rotate(-12deg);
  clip-path: inset(0 0 45% 0);
}
.hball::after {
  content: '';
  position: absolute;
  width: 110%;
  height: 30%;
  border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,0.5);
  top: 38%;
  left: -5%;
  transform: rotate(-12deg) scaleY(-1) translateY(-100%);
}
@keyframes hballFloat {
  0%   { transform: translate(0, 0) rotate(0deg); }
  25%  { transform: translate(var(--dx1, 12px), var(--dy1, -18px)) rotate(45deg); }
  50%  { transform: translate(var(--dx2, -8px), var(--dy2, -32px)) rotate(90deg); }
  75%  { transform: translate(var(--dx3, 16px), var(--dy3, -14px)) rotate(135deg); }
  100% { transform: translate(0, 0) rotate(180deg); }
}

.hero-content {
  position: relative;
  z-index: 10;
  padding-top: 80px;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 200, 150, 0.12);
  border: 1px solid rgba(0, 200, 150, 0.3);
  color: var(--primary);
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.title-line-1, .title-line-2 { display: block; color: var(--white); }
.title-highlight {
  display: block;
  background: linear-gradient(135deg, var(--primary), #00e5b5, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gradientShift 3s linear infinite;
}
@keyframes gradientShift {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}
.hero-desc {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 40px;
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 10;
}
.hero-scroll span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1.5px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(0,200,150,0.6), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ==========================================
   TICKER
   ========================================== */
.ticker-wrap {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  overflow: hidden;
  padding: 14px 0;
}
.ticker-track {
  display: flex;
  gap: 0;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
}
.ticker-track span {
  display: inline-flex;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  padding: 0 32px;
  border-right: 1px solid rgba(255,255,255,0.25);
}
@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================
   SECTION HEADER
   ========================================== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  background: rgba(0, 200, 150, 0.1);
  border: 1px solid rgba(0, 200, 150, 0.3);
  color: var(--primary);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  color: var(--white);
}
.section-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.55);
  max-width: 520px;
  margin: 0 auto;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-section { background: var(--dark-2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-card-main {
  background: var(--dark-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.about-card-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.about-icon-bg {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 32px;
  box-shadow: var(--shadow-glow);
}
/* Court Art */
.about-court-art {
  width: 180px;
  height: 120px;
  margin: 0 auto;
  position: relative;
  border: 2px solid rgba(0,200,150,0.3);
  border-radius: 4px;
}
.court-top, .court-bottom { position: absolute; width: 100%; height: 50%; }
.court-top { top: 0; background: rgba(0,200,150,0.05); border-bottom: 1.5px solid rgba(0,200,150,0.4); }
.court-bottom { bottom: 0; background: rgba(0,200,150,0.03); }
.court-net { position: absolute; left: 0; right: 0; top: 50%; height: 2px; background: rgba(255,255,255,0.5); transform: translateY(-50%); }
.court-service-line { position: absolute; left: 20%; right: 20%; height: 1.5px; background: rgba(0,200,150,0.3); }
.court-service-top { top: 25%; }
.court-service-bottom { bottom: 25%; }
.court-center-mark { position: absolute; left: 50%; top: 50%; width: 2px; height: 15%; background: rgba(0,200,150,0.3); transform: translate(-50%,-50%); }

.about-badge-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--dark-3);
  border: 1px solid rgba(0,200,150,0.3);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow);
}
.about-badge-card i { color: var(--primary); font-size: 1.4rem; }
.about-badge-card div { display: flex; flex-direction: column; }
.about-badge-card strong { font-size: 0.88rem; font-weight: 700; color: var(--white); }
.about-badge-card span { font-size: 0.75rem; color: var(--gray-400); }
.about-badge-card-2 { bottom: auto; top: -20px; right: -20px; }

.about-content { }
.about-lead {
  font-size: 1.12rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-text {
  font-size: 0.96rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 16px;
  line-height: 1.85;
}
.about-text strong { color: var(--primary); }

.about-values {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 28px 0;
}
.value-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}
.value-icon {
  width: 40px;
  height: 40px;
  background: rgba(0,200,150,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
}
.value-item div { display: flex; flex-direction: column; }
.value-item strong { font-size: 0.92rem; font-weight: 700; color: var(--white); }
.value-item span { font-size: 0.82rem; color: var(--gray-400); }

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services-section {
  background: var(--dark);
  overflow: hidden;
}
.services-bg-decor { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.decor-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,200,150,0.08);
}
.decor-circle-1 { width: 600px; height: 600px; top: -200px; right: -200px; }
.decor-circle-2 { width: 400px; height: 400px; bottom: -150px; left: -100px; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(0,200,150,0.2); box-shadow: var(--shadow-glow); }
.service-card:hover::before { transform: scaleX(1); }

/* Featured card */
.service-featured {
  grid-row: span 1;
  background: linear-gradient(135deg, rgba(0,200,150,0.12), rgba(0,168,126,0.06));
  border-color: rgba(0,200,150,0.25);
}
.service-featured::before { transform: scaleX(1) !important; background: linear-gradient(90deg, var(--primary), var(--primary-dark)); }
.service-badge-tag {
  display: inline-flex;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
  align-self: flex-start;
  letter-spacing: 0.05em;
}
.service-icon-wrap {
  width: 56px;
  height: 56px;
  background: rgba(0,200,150,0.12);
  border: 1px solid rgba(0,200,150,0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon-wrap {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,200,150,0.4);
}
.service-esports .service-icon-wrap { color: #a78bfa; background: rgba(167,139,250,0.1); border-color: rgba(167,139,250,0.2); }
.service-esports:hover .service-icon-wrap { background: #a78bfa; color: var(--white); }
.service-extra .service-icon-wrap { color: var(--accent); background: rgba(255,107,53,0.1); border-color: rgba(255,107,53,0.2); }
.service-extra:hover .service-icon-wrap { background: var(--accent); color: var(--white); }

.service-body { flex: 1; }
.service-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--white); }
.service-body p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 16px; }
.service-features { display: flex; flex-direction: column; gap: 7px; margin-bottom: 20px; }
.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}
.service-features li i { color: var(--primary); font-size: 0.75rem; flex-shrink: 0; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.service-link:hover { gap: 10px; }

/* ==========================================
   TENNIS SECTION
   ========================================== */
.tennis-section { background: var(--dark-2); }
.tennis-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.tennis-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 32px;
  line-height: 1.85;
}
.tennis-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 36px;
}
.tennis-feat {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 14px;
  transition: var(--transition);
}
.tennis-feat:hover { border-color: rgba(0,200,150,0.2); background: rgba(0,200,150,0.05); }
.tf-icon {
  width: 36px;
  height: 36px;
  background: rgba(0,200,150,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.95rem;
  flex-shrink: 0;
}
.tennis-feat div { display: flex; flex-direction: column; }
.tennis-feat strong { font-size: 0.88rem; font-weight: 700; color: var(--white); margin-bottom: 2px; }
.tennis-feat span { font-size: 0.78rem; color: var(--gray-400); }
.tennis-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* Court 3D Visual */
.tennis-visual { position: relative; }
.court-3d-wrap {
  perspective: 1000px;
  padding: 40px;
}
.court-3d {
  transform: rotateX(25deg) rotateZ(-5deg);
  transition: transform 0.5s ease;
}
.court-3d-wrap:hover .court-3d { transform: rotateX(15deg) rotateZ(-2deg); }
.c3d-surface {
  background: linear-gradient(135deg, #1a5276, #1f618d);
  border-radius: 12px;
  padding: 30px 20px;
  position: relative;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 40px rgba(31,97,141,0.3);
}
.c3d-lines { position: relative; width: 100%; height: 300px; border: 2px solid rgba(255,255,255,0.6); border-radius: 4px; }
.c3d-baseline { position: absolute; left: 0; right: 0; height: 1.5px; background: rgba(255,255,255,0.5); }
.c3d-bl-top { top: 0; }
.c3d-bl-bottom { bottom: 0; }
.c3d-sideline { position: absolute; top: 0; bottom: 0; width: 1.5px; background: rgba(255,255,255,0.4); }
.c3d-sl-left { left: 12%; }
.c3d-sl-right { right: 12%; }
.c3d-service { position: absolute; left: 12%; right: 12%; height: 1.5px; background: rgba(255,255,255,0.4); }
.c3d-sv-top { top: 30%; }
.c3d-sv-bottom { bottom: 30%; }
.c3d-net {
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 4px;
  background: rgba(255,255,255,0.8);
  transform: translateY(-50%);
  box-shadow: 0 0 10px rgba(255,255,255,0.3);
}
.c3d-center { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: rgba(255,255,255,0.15); }
.c3d-ball {
  position: absolute;
  width: 14px;
  height: 14px;
  background: #cfef47;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(207,239,71,0.6);
}
.c3d-ball-1 { top: 25%; left: 30%; animation: bounceBall 3s ease-in-out infinite; }
.c3d-ball-2 { bottom: 30%; right: 28%; animation: bounceBall 4s ease-in-out infinite 0.5s; }
.c3d-ball-3 { top: 55%; left: 55%; animation: bounceBall 3.5s ease-in-out infinite 1s; }
@keyframes bounceBall {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.8) translateY(-10px); opacity: 0.7; }
}

.tennis-info-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}
.ti-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  transition: var(--transition);
}
.ti-card:hover { border-color: rgba(0,200,150,0.3); }
.ti-card i { color: var(--primary); font-size: 1.2rem; flex-shrink: 0; }
.ti-card div { display: flex; flex-direction: column; }
.ti-card strong { font-size: 0.92rem; font-weight: 700; color: var(--white); }
.ti-card span { font-size: 0.8rem; color: var(--gray-400); }

/* ==========================================
   NEWS SECTION
   ========================================== */
.news-section { background: var(--dark); }
.news-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}
.news-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-5px); border-color: rgba(0,200,150,0.2); box-shadow: var(--shadow-lg); }
.news-img-placeholder {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.news-card-featured .news-img-placeholder { height: 240px; }
.news-img-1 { background: linear-gradient(135deg, #0d4f3c, #00a87e, #1a6b52); }
.news-img-2 { background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); }
.news-img-3 { background: linear-gradient(135deg, #1a0a2e, #2d1b69, #451a80); }
.news-img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.news-img-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 16px;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
}
.news-category {
  display: inline-flex;
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.news-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.news-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 10px;
}
.news-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--white); margin-bottom: 10px; line-height: 1.4; }
.news-body p { font-size: 0.88rem; color: rgba(255,255,255,0.6); line-height: 1.7; flex: 1; margin-bottom: 16px; }
.news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  align-self: flex-start;
}
.news-link:hover { gap: 10px; }

/* ==========================================
   CTA BANNER
   ========================================== */
.cta-banner {
  background: linear-gradient(135deg, #051a10, #0a2e1e, #0d3d26);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}
.cta-orb-1 { width: 400px; height: 400px; background: rgba(0,200,150,0.2); top: -100px; right: -100px; }
.cta-orb-2 { width: 300px; height: 300px; background: rgba(255,107,53,0.1); bottom: -80px; left: -80px; }
.cta-content { position: relative; z-index: 1; }
.cta-icon-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 28px;
  opacity: 0.8;
}
.cta-banner h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 800; margin-bottom: 16px; }
.cta-banner p { font-size: 1.1rem; color: rgba(255,255,255,0.65); margin-bottom: 40px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-section { background: var(--dark-2); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon-wrap {
  width: 48px;
  height: 48px;
  background: rgba(0,200,150,0.1);
  border: 1px solid rgba(0,200,150,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-details { display: flex; flex-direction: column; }
.contact-details strong { font-size: 0.88rem; font-weight: 700; color: rgba(255,255,255,0.55); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-details span, .contact-details a { font-size: 0.96rem; color: var(--white); line-height: 1.6; }
.contact-details a:hover { color: var(--primary); }

.contact-social { margin-top: 8px; }
.contact-social > span { display: block; font-size: 0.85rem; color: var(--gray-400); margin-bottom: 12px; }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 42px;
  height: 42px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 1.05rem;
  transition: var(--transition);
}
.social-links a:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }

/* Form */
.contact-form-wrap {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: rgba(255,255,255,0.75); }
.required { color: var(--primary); }
.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--white);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  background: rgba(0,200,150,0.05);
  box-shadow: 0 0 0 3px rgba(0,200,150,0.12);
}
.form-group select option { background: var(--dark-2); color: var(--white); }
.form-msg {
  text-align: center;
  font-size: 0.9rem;
  min-height: 24px;
  transition: var(--transition);
}
.form-msg.success { color: var(--primary); }
.form-msg.error { color: #ef4444; }

/* ==========================================
   FOOTER
   ========================================== */
.footer { background: #06080f; }
.footer-top { padding: 72px 0 48px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 48px;
}
.footer-brand { }
.footer-brand .logo { margin-bottom: 16px; }
.footer-tagline {
  font-size: 0.88rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.footer-desc { font-size: 0.85rem; color: rgba(255,255,255,0.45); line-height: 1.7; margin-bottom: 24px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 1rem;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: var(--white); }

.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  letter-spacing: 0.04em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
}
.footer-col ul li a:hover { color: var(--primary); }
.footer-col ul li a i { font-size: 0.75rem; }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-contact-item i { color: var(--primary); font-size: 0.9rem; margin-top: 2px; flex-shrink: 0; }
.footer-contact-item span, .footer-contact-item a { font-size: 0.85rem; color: rgba(255,255,255,0.5); line-height: 1.6; }
.footer-contact-item a:hover { color: var(--primary); }

.footer-qr-placeholder {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px dashed rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 8px;
}
.footer-qr-placeholder i { font-size: 2rem; color: #07c160; }
.footer-qr-placeholder span { font-size: 0.8rem; color: rgba(255,255,255,0.4); line-height: 1.5; }

.footer-bottom { padding: 20px 0; }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.3); }

/* ==========================================
   BACK TO TOP
   ========================================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(0,200,150,0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,200,150,0.5); }

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
  .about-grid, .tennis-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { order: -1; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card-featured { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10,15,30,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem; padding: 12px 24px; }
  .hamburger { display: flex; z-index: 1000; position: relative; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-btns { flex-direction: column; align-items: center; }
  .tennis-features-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card-featured { grid-column: span 1; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 2.8rem; }
  .contact-form-wrap { padding: 24px; }
  .about-card-main { padding: 28px; }
  .about-badge-card, .about-badge-card-2 { right: 0; }
}

/* ==========================================
   SCROLL BAR
   ========================================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }

/* Selection */
::selection { background: rgba(0,200,150,0.3); color: var(--white); }