/* ============================================================
   HHpoker 德扑圈 — 暗物质风 (Dark Matter) 主题样式
   ============================================================ */

/* --- CSS Variables / Tailwind Overrides / Custom Properties --- */
:root {
  --void-black: #020008;
  --deep-void: #060012;
  --dark-purple: #1a0030;
  --mid-purple: #2d0060;
  --cosmic-violet: #7b2dff;
  --cosmic-violet-light: #9b59ff;
  --star-white: #e8e0f0;
  --glass-bg: rgba(6, 0, 18, 0.75);
  --glass-border: rgba(123, 45, 255, 0.25);
  --glow-purple: rgba(123, 45, 255, 0.4);
  --card-bg: rgba(10, 2, 30, 0.85);
  --card-border: rgba(123, 45, 255, 0.15);
  --text-primary: #e8e0f0;
  --text-secondary: #b8a8d0;
  --text-muted: #7a6a9a;
  --font-heading: 'Space Grotesk', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'Space Grotesk', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--void-black);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
}

a {
  color: var(--cosmic-violet-light);
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover {
  color: var(--cosmic-violet);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--void-black); }
::-webkit-scrollbar-thumb {
  background: var(--dark-purple);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cosmic-violet);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(2, 0, 8, 0.95);
  border-bottom-color: rgba(123, 45, 255, 0.4);
  box-shadow: 0 2px 30px rgba(123, 45, 255, 0.15);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--star-white);
  text-decoration: none;
}
.navbar-logo .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cosmic-violet), var(--dark-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  box-shadow: 0 0 18px rgba(123, 45, 255, 0.5);
}
.navbar-logo span {
  background: linear-gradient(135deg, var(--cosmic-violet-light), var(--star-white));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.3rem;
  align-items: center;
}
.nav-links a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.3s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--star-white);
  background: rgba(123, 45, 255, 0.15);
}

.nav-cta-btn {
  background: linear-gradient(135deg, var(--cosmic-violet), #5a1ab0) !important;
  color: #fff !important;
  padding: 0.55rem 1.4rem !important;
  border-radius: 25px !important;
  font-weight: 600 !important;
  box-shadow: 0 0 20px rgba(123, 45, 255, 0.4);
  transition: all 0.3s ease !important;
}
.nav-cta-btn:hover {
  box-shadow: 0 0 35px rgba(123, 45, 255, 0.7) !important;
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--cosmic-violet-light), var(--cosmic-violet)) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--star-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.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);
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(2, 0, 8, 0.97);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    gap: 0.3rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.35s ease;
    border-bottom: 2px solid rgba(123, 45, 255, 0.3);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-links a {
    font-size: 1.05rem;
    padding: 0.8rem 1rem;
  }
}

/* ============================================================
   HERO / SECTION 1
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--void-black);
  overflow: hidden;
  padding: 100px 0 60px;
}

/* Gravitational glow center */
.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(123, 45, 255, 0.25) 0%, rgba(123, 45, 255, 0.08) 40%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}

/* Stars canvas */
#stars-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: rgba(123, 45, 255, 0.15);
  border: 1px solid rgba(123, 45, 255, 0.35);
  border-radius: 25px;
  font-size: 0.85rem;
  color: var(--cosmic-violet-light);
  font-weight: 600;
  margin-bottom: 1.8rem;
  letter-spacing: 0.05em;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--star-white);
  margin-bottom: 1.5rem;
  line-height: 1.15;
  text-shadow:
    0 0 40px rgba(123, 45, 255, 0.5),
    0 0 80px rgba(123, 45, 255, 0.3),
    0 0 120px rgba(155, 89, 255, 0.2);
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--cosmic-violet-light), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 2.5rem;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  background: linear-gradient(135deg, var(--cosmic-violet), #5a1ab0);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 30px;
  text-decoration: none;
  box-shadow: 0 0 25px rgba(123, 45, 255, 0.45);
  transition: all 0.35s ease;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  box-shadow: 0 0 45px rgba(123, 45, 255, 0.7);
  transform: translateY(-3px);
  color: #fff;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  background: transparent;
  color: var(--star-white);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 30px;
  text-decoration: none;
  border: 2px solid rgba(123, 45, 255, 0.5);
  transition: all 0.35s ease;
}
.btn-outline:hover {
  border-color: var(--cosmic-violet-light);
  background: rgba(123, 45, 255, 0.1);
  color: var(--star-white);
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(123, 45, 255, 0.3);
}

/* Hero nebula image */
.hero-img-wrap {
  position: relative;
  z-index: 1;
  margin-top: 3rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(123, 45, 255, 0.25), 0 0 120px rgba(123, 45, 255, 0.1);
}
.hero-img-wrap img {
  display: block;
  width: 100%;
  border-radius: 16px;
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: var(--star-white);
  margin-bottom: 0.8rem;
  text-shadow: 0 0 20px rgba(123, 45, 255, 0.3);
}
.section-header p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 550px;
  margin: 0 auto;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--cosmic-violet), transparent);
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* ============================================================
   FEATURES / SECTION 2
   ============================================================ */
.features {
  background: var(--deep-void);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2.2rem 1.8rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 8px 8px;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(123, 45, 255, 0.5);
  box-shadow: 0 0 40px rgba(123, 45, 255, 0.2), 0 10px 30px rgba(0, 0, 0, 0.5);
}
.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(123, 45, 255, 0.25), rgba(45, 0, 96, 0.3));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--cosmic-violet-light);
  margin-bottom: 1.3rem;
  box-shadow: 0 0 15px rgba(123, 45, 255, 0.2);
  transition: all 0.4s ease;
}
.feature-card:hover .feature-icon {
  box-shadow: 0 0 30px rgba(123, 45, 255, 0.5);
  color: #c084fc;
}

.feature-card h3 {
  font-size: 1.2rem;
  color: var(--star-white);
  margin-bottom: 0.6rem;
}
.feature-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   STATS / SECTION 3
   ============================================================ */
.stats {
  background: var(--void-black);
  position: relative;
}
.stats::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(123, 45, 255, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  position: relative;
}
.stat-ring {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 1.2rem;
  border-radius: 50%;
  background: conic-gradient(var(--cosmic-violet) 0deg, var(--dark-purple) 180deg, rgba(6, 0, 18, 0.8) 360deg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.stat-ring::after {
  content: '';
  position: absolute;
  inset: 6px;
  background: var(--void-black);
  border-radius: 50%;
}
.stat-number {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--cosmic-violet-light);
  text-shadow: 0 0 18px rgba(123, 45, 255, 0.6);
}
.stat-number span {
  font-size: 1.4rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-ring {
    width: 110px;
    height: 110px;
  }
  .stat-number {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   TESTIMONIALS / SECTION 4
   ============================================================ */
.testimonials {
  background: var(--deep-void);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s ease;
}
.testimonial-card:hover {
  border-color: rgba(123, 45, 255, 0.45);
  box-shadow: 0 0 30px rgba(123, 45, 255, 0.15);
  transform: translateY(-4px);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.testimonial-header img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(123, 45, 255, 0.4);
  box-shadow: 0 0 15px rgba(123, 45, 255, 0.25);
}
.testimonial-header .info h4 {
  font-size: 1rem;
  color: var(--star-white);
}
.testimonial-header .info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.testimonial-stars {
  color: #fbbf24;
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
}

.testimonial-card > p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
}

@media (max-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   FAQ / SECTION 5
   ============================================================ */
.faq {
  background: var(--void-black);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 0.8rem;
  border: 1px solid rgba(123, 45, 255, 0.12);
  border-radius: 12px;
  overflow: hidden;
  background: var(--card-bg);
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(123, 45, 255, 0.3);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  background: none;
  border: none;
  color: var(--star-white);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  transition: all 0.3s ease;
}
.faq-question:hover {
  color: var(--cosmic-violet-light);
}

.faq-indicator {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(123, 45, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--cosmic-violet-light);
  transition: all 0.35s ease;
  margin-left: 1rem;
}
.faq-item.active .faq-indicator {
  background: var(--cosmic-violet);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-answer-inner {
  padding: 0 1.5rem 1.2rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}
.faq-item.active .faq-answer {
  max-height: 300px;
}

/* ============================================================
   CTA / SECTION 6
   ============================================================ */
.cta-section {
  background: linear-gradient(180deg, var(--deep-void) 0%, var(--dark-purple) 50%, var(--deep-void) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(123, 45, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section h2 {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  color: var(--star-white);
  margin-bottom: 1rem;
  text-shadow: 0 0 25px rgba(123, 45, 255, 0.4);
}
.cta-section p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ============================================================
   FOOTER / SECTION 7
   ============================================================ */
.footer {
  background: var(--void-black);
  border-top: 1px solid rgba(123, 45, 255, 0.1);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(123, 45, 255, 0.08);
}

.footer h4 {
  color: var(--star-white);
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
}
.footer p, .footer a {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer a:hover {
  color: var(--cosmic-violet-light);
}

.footer ul {
  list-style: none;
}
.footer ul li {
  margin-bottom: 0.6rem;
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ============================================================
   FLOAT BUTTONS
   ============================================================ */
.float-cs {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cosmic-violet), #5a1ab0);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 4px 25px rgba(123, 45, 255, 0.5);
  transition: all 0.35s ease;
}
.float-cs:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 35px rgba(123, 45, 255, 0.75);
}

.back-to-top {
  position: fixed;
  bottom: 96px;
  right: 28px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(6, 0, 18, 0.8);
  border: 1px solid rgba(123, 45, 255, 0.35);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--cosmic-violet-light);
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s ease;
  backdrop-filter: blur(10px);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--cosmic-violet);
  color: #fff;
  border-color: var(--cosmic-violet);
}

/* ============================================================
   ANIMATION UTILITIES (IntersectionObserver)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   DOWNLOAD PAGE
   ============================================================ */
.download-hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--void-black);
  padding-top: 100px;
  position: relative;
}
.dl-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 700px;
  margin: 0 auto;
}
.dl-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.4s ease;
}
.dl-card:hover {
  border-color: rgba(123, 45, 255, 0.5);
  box-shadow: 0 0 40px rgba(123, 45, 255, 0.2);
  transform: translateY(-6px);
}
.dl-card .dl-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--cosmic-violet-light);
}
.dl-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
.dl-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.92rem;
}
.dl-steps {
  margin-top: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.dl-steps h3 {
  text-align: center;
  color: var(--star-white);
  margin-bottom: 1.5rem;
}
.dl-steps ol {
  color: var(--text-secondary);
  padding-left: 1.5rem;
}
.dl-steps ol li {
  margin-bottom: 0.7rem;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .dl-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  background: var(--void-black);
  padding-top: 100px;
  position: relative;
}
.about-content {
  max-width: 800px;
  margin: 0 auto;
}
.about-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 1.2rem;
}
.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.about-feat-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.about-feat-item .af-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(123, 45, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--cosmic-violet-light);
}
.about-feat-item h4 {
  font-size: 1rem;
  color: var(--star-white);
  margin-bottom: 0.3rem;
}
.about-feat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .about-features {
    grid-template-columns: 1fr;
  }
}