/* =========================================================
   넥스게임 맞고 — Landing Page Styles
   ========================================================= */

:root {
  --green-950: #0f3a08;
  --green-900: #17530c;
  --green-800: #1f6b10;
  --green-700: #2c8514;
  --green-600: #3fa41c;
  --green-500: #5cbf2a;
  --green-glow: #d6f27a;

  --gold-300: #ffe27a;
  --gold-400: #ffd233;
  --gold-500: #ffb800;
  --gold-600: #ff9500;
  --gold-700: #e8720f;

  --brown-900: #3a2313;
  --brown-800: #4a2c17;

  --pink-500: #f0567a;
  --pink-600: #e8385f;

  --cream-050: #fffaf0;
  --cream-100: #fff3d6;
  --cream-200: #ffe9b8;

  --ink: #2b1c10;
  --paper: #fffdf8;

  --shadow-soft: 0 10px 30px rgba(15, 58, 8, 0.25);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;

  --font-display: 'Jua', 'Noto Sans KR', sans-serif;
  --font-body: 'Noto Sans KR', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

.only-mobile { display: none; }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  white-space: nowrap;
  overflow: hidden;
}
.btn:active { transform: translateY(2px) scale(0.98); }

.btn-primary {
  background: linear-gradient(180deg, #ffe27a 0%, #ffb800 55%, #ff9500 100%);
  color: var(--brown-900);
  border: 3px solid #fff1c2;
  box-shadow: 0 0 0 3px var(--brown-900), 0 8px 0 0 #c96a00, 0 14px 24px rgba(0,0,0,0.25);
  text-shadow: 0 1px 0 rgba(255,255,255,0.4);
}
.btn-primary:hover { filter: brightness(1.06); transform: translateY(-2px); }
.btn-primary:active { box-shadow: 0 0 0 3px var(--brown-900), 0 3px 0 0 #c96a00; transform: translateY(4px); }

.btn-shine {
  position: absolute;
  top: -20%;
  left: -40%;
  width: 40%;
  height: 140%;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.55) 50%, transparent 100%);
  transform: skewX(-20deg);
  animation: shine 3.2s ease-in-out infinite;
}
@keyframes shine {
  0% { left: -40%; }
  35% { left: 130%; }
  100% { left: 130%; }
}

.btn-ghost {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.7);
  backdrop-filter: blur(2px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.22); transform: translateY(-2px); }

.btn-sm { padding: 10px 20px; font-size: 15px; }
.btn-lg { padding: 16px 34px; font-size: 19px; }
.btn-xl { padding: 20px 48px; font-size: 22px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(15,58,8,0.92), rgba(15,58,8,0.75));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(15, 58, 8, 0.96);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 40px; width: auto; }

.main-nav { display: flex; gap: 28px; margin-left: 12px; flex: 1; }
.main-nav a {
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  opacity: 0.88;
  position: relative;
  padding: 6px 2px;
}
.main-nav a:hover { opacity: 1; }
.main-nav a::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--gold-400);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.2s ease;
}
.main-nav a:hover::after { transform: scaleX(1); }

.header-cta { margin-left: auto; }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 20px 80px;
  background: radial-gradient(circle at 50% 38%, #a8e34e 0%, var(--green-600) 32%, var(--green-800) 68%, var(--green-950) 100%);
}
.hero-bg {
  position: absolute; inset: 0;
  background-image:
    repeating-conic-gradient(from 0deg at 50% 38%, rgba(255,255,255,0.05) 0deg 3deg, transparent 3deg 12deg);
  mix-blend-mode: overlay;
  opacity: 0.7;
}
.hero-corner {
  position: absolute;
  width: clamp(120px, 14vw, 220px);
  height: auto;
  opacity: 0.95;
  pointer-events: none;
  z-index: 1;
  filter: drop-shadow(0 6px 10px rgba(0,0,0,0.2));
}
.hero-corner.corner-tl { top: 18px; left: 18px; }
.hero-corner.corner-tr { top: 18px; right: 18px; }
.hero-corner.corner-bl { bottom: 18px; left: 18px; }
.hero-corner.corner-br { bottom: 18px; right: 18px; }

.hero-float { position: absolute; z-index: 1; pointer-events: none; animation: float 5s ease-in-out infinite; }
.hero-float img { width: 100%; height: 100%; filter: drop-shadow(0 8px 12px rgba(0,0,0,0.25)); }
.hero-float.f1 { width: 90px; top: 18%; left: 8%; animation-delay: 0s; }
.hero-float.f2 { width: 84px; top: 62%; left: 11%; animation-delay: 1.2s; }
.hero-float.f3 { width: 70px; top: 22%; right: 9%; animation-delay: 0.6s; }
.hero-float.f4 { width: 64px; top: 64%; right: 12%; animation-delay: 1.8s; }
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-16px) rotate(3deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: rgba(0,0,0,0.28);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-logo {
  width: min(440px, 78vw);
  filter: drop-shadow(0 16px 28px rgba(0,0,0,0.35));
  margin-bottom: 8px;
}
.hero-sub {
  color: #f4ffe0;
  font-size: 19px;
  line-height: 1.6;
  font-weight: 500;
  text-shadow: 0 2px 6px rgba(0,0,0,0.35);
  margin: 4px 0 34px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.hero-note {
  margin-top: 20px;
  color: rgba(255,255,255,0.75);
  font-size: 13px;
}

.hero-scroll {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 14px;
  z-index: 2;
}
.hero-scroll span {
  position: absolute;
  top: 6px; left: 50%;
  width: 4px; height: 8px;
  background: #fff;
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { top: 6px; opacity: 1; }
  70% { top: 20px; opacity: 0; }
  100% { top: 20px; opacity: 0; }
}

/* ---------- Marquee ---------- */
.marquee {
  background: var(--brown-900);
  overflow: hidden;
  padding: 12px 0;
  border-top: 3px solid var(--gold-500);
  border-bottom: 3px solid var(--gold-500);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 22s linear infinite;
}
.marquee-track span {
  color: var(--gold-300);
  font-family: var(--font-display);
  font-size: 16px;
  padding: 0 32px;
  white-space: nowrap;
  border-right: 1px solid rgba(255,226,122,0.3);
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Section shared ---------- */
.section { position: relative; padding: 96px 20px; }
.section-inner { max-width: 1160px; margin: 0 auto; text-align: center; }
.eyebrow {
  font-family: var(--font-display);
  color: var(--gold-700);
  letter-spacing: 0.12em;
  font-size: 14px;
  margin: 0 0 10px;
}
.eyebrow.light { color: var(--gold-300); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  color: var(--brown-900);
  margin: 0 0 14px;
}
.section-title.light { color: #fff; }
.section-desc {
  font-size: 17px;
  color: #6b5c47;
  margin: 0 0 52px;
}
.section-desc.light { color: rgba(255,255,255,0.85); }

/* ---------- Features ---------- */
.features { background: var(--cream-050); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 2px solid #ffe4a3;
  border-radius: var(--radius-md);
  padding: 32px 22px;
  box-shadow: 0 10px 24px rgba(58, 35, 19, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: left;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(58, 35, 19, 0.12); }
.feature-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  background: linear-gradient(180deg, var(--gold-300), var(--gold-500));
  border-radius: 16px;
  margin-bottom: 18px;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,0.15);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--brown-900);
  margin: 0 0 8px;
}
.feature-card p {
  font-size: 14.5px;
  line-height: 1.6;
  color: #6b5c47;
  margin: 0;
}

/* ---------- Preview / gallery ---------- */
.preview { background: var(--paper); }
.preview-track-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 1160px;
  margin: 0 auto;
}
.preview-track {
  display: flex;
  width: 100%;
  min-width: 0;
  gap: 22px;
  justify-content: safe center;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 4px 16px;
  scrollbar-width: none;
}
.preview-track::-webkit-scrollbar { display: none; }
.preview-item {
  flex: 0 0 auto;
  width: 240px;
  scroll-snap-align: center;
  margin: 0;
  text-align: center;
}
.phone-frame {
  border-radius: 26px;
  border: 6px solid var(--brown-900);
  overflow: hidden;
  aspect-ratio: 9 / 16;
  box-shadow: var(--shadow-soft);
  background: var(--green-800);
}
.phone-frame img { width: 100%; height: 100%; object-fit: cover; }
.preview-item figcaption {
  margin-top: 14px;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--brown-900);
}
/* ---------- Modes / steps ---------- */
.modes { background: var(--cream-100); }
.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}
.step-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 34px 24px;
  position: relative;
  border: 2px dashed #f0c96a;
  text-align: left;
}
.step-num {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--gold-500);
  -webkit-text-stroke: 2px var(--brown-900);
  display: block;
  margin-bottom: 10px;
}
.step-card h3 { font-family: var(--font-display); font-size: 19px; margin: 0 0 8px; color: var(--brown-900); }
.step-card p { font-size: 14.5px; color: #6b5c47; line-height: 1.6; margin: 0; }

.modes-sub-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--brown-900);
  margin: 0 0 22px;
  text-align: left;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}
.room-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 1000px;
  margin: 0 auto;
}
.room-card {
  border-radius: var(--radius-sm);
  padding: 18px 18px 20px;
  text-align: left;
  color: #fff;
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
  border: 2px solid rgba(255,255,255,0.5);
}
.room-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-size: 15px;
  margin-bottom: 10px;
}
.room-card-head b { font-size: 12px; background: rgba(0,0,0,0.22); padding: 3px 8px; border-radius: 999px; }
.room-card p { margin: 0; font-size: 13.5px; opacity: 0.95; }
.room-yellow { background: linear-gradient(160deg, #ffcf4d, #ff9d1f); }
.room-green  { background: linear-gradient(160deg, #7fd44a, #3fa41c); }
.room-blue   { background: linear-gradient(160deg, #6ec3f0, #2a86c9); }
.room-violet { background: linear-gradient(160deg, #c98cf0, #8c4fd1); }

/* ---------- Avatars ---------- */
.avatars {
  position: relative;
  background: linear-gradient(180deg, var(--green-900), var(--green-950));
  overflow: hidden;
}
.avatars-bg {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 20%, rgba(255,255,255,0.12), transparent 60%);
}
.avatar-row {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.avatar-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.avatar-chip img {
  width: 96px; height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff9e8, #ffe9b8);
  border: 4px solid var(--gold-400);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
  transition: transform 0.2s ease;
}
.avatar-chip:hover img { transform: translateY(-6px) scale(1.05); }
.avatar-chip span { color: #fff; font-family: var(--font-display); font-size: 14px; }

.emote-row {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.emote-row img {
  width: 58px; height: 58px;
  filter: drop-shadow(0 6px 10px rgba(0,0,0,0.35));
}

/* ---------- Final CTA ---------- */
.final-cta {
  background: radial-gradient(circle at 50% 30%, #a8e34e 0%, var(--green-600) 40%, var(--green-900) 100%);
  padding: 100px 20px;
}
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta-logo { width: min(220px, 50vw); margin-bottom: 18px; filter: drop-shadow(0 12px 18px rgba(0,0,0,0.3)); }
.final-cta h2 {
  font-family: var(--font-display);
  color: #fff;
  font-size: clamp(24px, 3.6vw, 34px);
  margin: 0 0 10px;
  text-shadow: 0 3px 10px rgba(0,0,0,0.3);
}
.final-cta p { color: rgba(255,255,255,0.9); margin: 0 0 32px; font-size: 16px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--brown-900);
  padding: 48px 20px 32px;
  text-align: center;
}
.footer-inner { max-width: 720px; margin: 0 auto; }
.footer-logo { height: 44px; margin: 0 auto 20px; }
.footer-disclaimer {
  color: rgba(255,255,255,0.55);
  font-size: 12.5px;
  line-height: 1.7;
  margin: 0 0 16px;
}
.footer-copy { color: rgba(255,255,255,0.4); font-size: 12px; margin: 0; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: 1fr; }
  .room-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 34px; height: 34px;
    background: none; border: none; cursor: pointer;
    margin-left: auto;
  }
  .nav-toggle span { width: 100%; height: 2px; background: #fff; border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .header-cta { margin-left: 10px; }
  .only-mobile { display: inline; }

  .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(15, 58, 8, 0.97);
    padding: 0 24px;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, padding 0.25s ease;
  }
  .main-nav.open { max-height: 260px; padding: 8px 24px 18px; }
  .main-nav a { padding: 12px 4px; border-bottom: 1px solid rgba(255,255,255,0.1); }
}

@media (max-width: 640px) {
  .header-inner { padding: 10px 16px; }
  .brand-logo { height: 32px; }
  .hero { padding: 110px 16px 70px; }
  .hero-sub { font-size: 16px; }
  .section { padding: 64px 16px; }
  .section-desc { margin-bottom: 36px; }
  .feature-grid { grid-template-columns: 1fr; }
  .room-grid { grid-template-columns: 1fr; }
  .avatar-chip img { width: 76px; height: 76px; }
  .preview-item { width: 190px; }
}