/* ============================================
   TeamWorship Landing Page — Style
   ============================================ */

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

:root {
  --primary: #6C63FF;
  --primary-dark: #5A52D5;
  --primary-light: #A5A0FF;
  --accent: #43B89C;
  --bg: #0B0D17;
  --bg-card: #13152A;
  --bg-card-hover: #1A1D35;
  --surface: #1C1F38;
  --text: #E8E8F0;
  --text-muted: #9496A8;
  --border: rgba(108, 99, 255, .15);
  --gradient: linear-gradient(135deg, #6C63FF 0%, #43B89C 50%, #FF6584 100%);
  --gradient-text: linear-gradient(135deg, #6C63FF 0%, #43B89C 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 4px 30px rgba(0,0,0,.35);
  --shadow-glow: 0 0 60px rgba(108,99,255,.15);
  --font: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

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

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

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font); font-weight: 600;
  border: none; border-radius: 50px; cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--sm { padding: 8px 20px; font-size: .875rem; }
.btn--lg { padding: 16px 36px; font-size: 1.05rem; }
.btn--block { width: 100%; }
.btn--primary {
  background: var(--primary); color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,.35);
}
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 30px rgba(108,99,255,.5); }
.btn--outline {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn--outline:hover { border-color: var(--primary); color: var(--primary); }
.btn--ghost { background: transparent; color: var(--text-muted); }
.btn--ghost:hover { color: var(--primary); }

/* ---------- Section common ---------- */
.section-tag {
  display: inline-block; font-size: .8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--primary-light); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800;
  line-height: 1.3; margin-bottom: 16px;
}
.section-desc {
  font-size: 1.1rem; color: var(--text-muted);
  max-width: 600px; margin: 0 auto 60px;
}
section { padding: 120px 0; text-align: center; }

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; padding: 16px 0;
  background: rgba(11,13,23,.6);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.nav.scrolled { border-bottom-color: var(--border); background: rgba(11,13,23,.9); }
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.25rem; font-weight: 800;
}
.nav__logo-icon {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--gradient); color: #fff; font-size: 1rem;
}
.nav__links { display: flex; gap: 32px; }
.nav__links a {
  font-size: .9rem; font-weight: 500; color: var(--text-muted);
  transition: var(--transition);
}
.nav__links a:hover { color: var(--text); }
.nav__actions { display: flex; gap: 12px; }
.nav__hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav__hamburger span {
  width: 24px; height: 2px; background: var(--text);
  border-radius: 2px; transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative; padding: 160px 0 60px;
  overflow: hidden; text-align: center;
}
.hero__bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero__circle {
  position: absolute; border-radius: 50%;
  filter: blur(120px); opacity: .25;
}
.hero__circle--1 { width: 600px; height: 600px; background: var(--primary); top: -200px; left: -100px; }
.hero__circle--2 { width: 400px; height: 400px; background: var(--accent); top: 100px; right: -100px; }
.hero__circle--3 { width: 300px; height: 300px; background: #FF6584; bottom: 0; left: 50%; transform: translateX(-50%); }

.hero__inner { position: relative; z-index: 1; }
.hero__badge {
  display: inline-block; padding: 8px 20px; border-radius: 50px;
  background: rgba(108,99,255,.12); border: 1px solid var(--border);
  font-size: .875rem; font-weight: 500; color: var(--primary-light);
  margin-bottom: 28px;
}
.hero__title {
  font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 800;
  line-height: 1.25; margin-bottom: 24px;
}
.hero__desc {
  font-size: 1.15rem; color: var(--text-muted);
  max-width: 560px; margin: 0 auto 40px;
  line-height: 1.8;
}
.hero__cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.hero__stats {
  display: flex; justify-content: center; gap: 60px; flex-wrap: wrap;
  margin-bottom: 80px;
}
.hero__stat { text-align: center; }
.hero__stat strong {
  display: block; font-size: 1.8rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero__stat span { font-size: .85rem; color: var(--text-muted); }

/* Hero Mockup */
.hero__mockup { position: relative; z-index: 1; max-width: 900px; margin: 0 auto; }
.mockup-window {
  background: var(--bg-card); border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden;
  box-shadow: var(--shadow), var(--shadow-glow);
}
.mockup-window__bar {
  display: flex; gap: 8px; padding: 14px 18px;
  background: rgba(0,0,0,.3); border-bottom: 1px solid var(--border);
}
.mockup-window__bar span {
  width: 12px; height: 12px; border-radius: 50%;
}
.mockup-window__bar span:nth-child(1) { background: #FF5F57; }
.mockup-window__bar span:nth-child(2) { background: #FFBD2E; }
.mockup-window__bar span:nth-child(3) { background: #28CA41; }
.mockup-window__body { display: flex; min-height: 320px; }
.mockup-sidebar {
  width: 220px; padding: 20px 0;
  background: rgba(0,0,0,.15); border-right: 1px solid var(--border);
  flex-shrink: 0;
}
.mockup-sidebar__item {
  padding: 10px 20px; font-size: .85rem; color: var(--text-muted);
  cursor: default; transition: var(--transition);
}
.mockup-sidebar__item.active {
  background: rgba(108,99,255,.12); color: var(--primary-light);
  border-right: 2px solid var(--primary);
}
.mockup-content { flex: 1; padding: 24px 28px; text-align: left; }
.mockup-content__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.mockup-content__header h3 { font-size: 1.05rem; font-weight: 700; }
.mockup-badge {
  font-size: .75rem; padding: 4px 12px; border-radius: 50px;
  background: rgba(67,184,156,.15); color: var(--accent); font-weight: 600;
}
.mockup-schedule__row {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--border);
}
.mockup-schedule__row:last-child { border-bottom: none; }
.mockup-day { font-size: .9rem; font-weight: 600; min-width: 80px; }
.mockup-members { display: flex; gap: -4px; }
.mockup-avatar {
  width: 30px; height: 30px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: #fff;
  margin-left: -4px; border: 2px solid var(--bg-card);
}
.mockup-avatar:first-child { margin-left: 0; }
.mockup-status {
  margin-left: auto; font-size: .75rem; font-weight: 600;
  padding: 4px 12px; border-radius: 50px;
}
.mockup-status.confirmed { background: rgba(67,184,156,.15); color: var(--accent); }
.mockup-status.pending { background: rgba(245,166,35,.15); color: #F5A623; }

/* ============================================
   FEATURES
   ============================================ */
.features { background: var(--bg); }
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px; text-align: left;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--gradient); opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108,99,255,.3);
  box-shadow: var(--shadow-glow);
}
.feature-card:hover::before { opacity: 1; }
.feature-card--highlight {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(108,99,255,.08), rgba(67,184,156,.06));
  border-color: rgba(108,99,255,.25);
}
.feature-card__icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card__title { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.feature-card__desc { font-size: .92rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.feature-card__list { padding-left: 0; }
.feature-card__list li {
  font-size: .85rem; color: var(--text-muted);
  padding: 4px 0; padding-left: 18px; position: relative;
}
.feature-card__list li::before {
  content: ''; position: absolute; left: 0; top: 12px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works { background: var(--surface); }
.steps {
  display: flex; align-items: flex-start; justify-content: center;
  gap: 0; max-width: 900px; margin: 0 auto;
}
.step {
  flex: 1; padding: 0 28px; position: relative;
}
.step__number {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--gradient); color: #fff;
  font-size: 1.4rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 0 30px rgba(108,99,255,.3);
}
.step__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step__desc { font-size: .9rem; color: var(--text-muted); }
.step__connector {
  width: 80px; height: 2px; flex-shrink: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin-top: 28px; border-radius: 2px;
  opacity: .5;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials { background: var(--bg); }
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px; text-align: left;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
}
.testimonial-card:hover {
  border-color: rgba(108,99,255,.3);
  transform: translateY(-3px);
}
.testimonial-card__stars { color: #F5A623; font-size: .9rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card__text {
  font-size: .95rem; color: var(--text); line-height: 1.8;
  margin-bottom: 24px; font-style: italic;
}
.testimonial-card__author { display: flex; align-items: center; gap: 12px; }
.testimonial-card__avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 700; color: #fff; flex-shrink: 0;
}
.testimonial-card__author strong { display: block; font-size: .9rem; }
.testimonial-card__author span { font-size: .8rem; color: var(--text-muted); }

/* ============================================
   PRICING
   ============================================ */
.pricing { background: var(--surface); }
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px; text-align: left;
  max-width: 980px; margin: 0 auto;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.pricing-card--popular {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(108,99,255,.08), var(--bg-card));
  box-shadow: 0 0 40px rgba(108,99,255,.15);
}
.pricing-card__badge {
  display: inline-block; font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--primary-light); margin-bottom: 20px;
}
.pricing-card--popular .pricing-card__badge {
  background: var(--primary); color: #fff;
  padding: 4px 12px; border-radius: 50px;
}
.pricing-card__price { margin-bottom: 8px; }
.pricing-card__amount { font-size: 2.4rem; font-weight: 800; }
.pricing-card__period { font-size: .9rem; color: var(--text-muted); }
.pricing-card__desc { font-size: .9rem; color: var(--text-muted); margin-bottom: 28px; }
.pricing-card__features { margin-bottom: 32px; }
.pricing-card__features li {
  font-size: .88rem; color: var(--text-muted);
  padding: 6px 0;
}

/* ============================================
   FAQ
   ============================================ */
.faq { background: var(--bg); }
.faq__list { max-width: 720px; margin: 0 auto; text-align: left; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item[open] { border-color: rgba(108,99,255,.3); }
.faq-item__question {
  padding: 20px 24px; font-size: 1rem; font-weight: 600;
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  transition: var(--transition);
}
.faq-item__question::-webkit-details-marker { display: none; }
.faq-item__question::after {
  content: '+'; font-size: 1.4rem; font-weight: 300;
  color: var(--primary); margin-left: 16px; flex-shrink: 0;
  transition: var(--transition);
}
.faq-item[open] .faq-item__question::after { content: '−'; }
.faq-item__question:hover { color: var(--primary-light); }
.faq-item__answer {
  padding: 0 24px 20px;
  font-size: .92rem; color: var(--text-muted); line-height: 1.7;
}

/* ============================================
   CTA
   ============================================ */
.cta {
  background: var(--surface); padding: 120px 0;
}
.cta__inner {
  max-width: 640px; margin: 0 auto;
  background: linear-gradient(135deg, rgba(108,99,255,.1), rgba(67,184,156,.06));
  border: 1px solid var(--border);
  border-radius: 24px; padding: 60px 48px;
  position: relative; overflow: hidden;
}
.cta__inner::before {
  content: ''; position: absolute; top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: var(--gradient); border-radius: 25px; z-index: -1;
  opacity: .15;
}
.cta__title { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; margin-bottom: 12px; }
.cta__desc { font-size: 1rem; color: var(--text-muted); margin-bottom: 32px; }
.cta__form {
  display: flex; gap: 12px; max-width: 480px; margin: 0 auto 16px;
  flex-wrap: wrap; justify-content: center;
}
.cta__input {
  flex: 1; min-width: 240px; padding: 14px 20px;
  border-radius: 50px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: .95rem;
  outline: none; transition: var(--transition);
}
.cta__input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108,99,255,.15); }
.cta__input::placeholder { color: var(--text-muted); }
.cta__note { font-size: .8rem; color: var(--text-muted); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg); padding: 80px 0 40px;
  border-top: 1px solid var(--border);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; text-align: left; margin-bottom: 48px;
}
.footer__brand p { font-size: .9rem; color: var(--text-muted); margin-top: 12px; line-height: 1.7; }
.footer__col h4 { font-size: .85rem; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; color: var(--text); }
.footer__col a {
  display: block; font-size: .88rem; color: var(--text-muted);
  padding: 4px 0; transition: var(--transition);
}
.footer__col a:hover { color: var(--primary-light); }
.footer__bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  text-align: center;
}
.footer__bottom p { font-size: .8rem; color: var(--text-muted); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.animate-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .feature-card--highlight { grid-column: span 1; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav__links, .nav__actions { display: none; }
  .nav__hamburger { display: flex; }

  /* Mobile menu */
  .nav__links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(11,13,23,.98);
    backdrop-filter: blur(20px);
    padding: 24px; gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav__actions.open {
    display: flex;
    position: absolute; top: calc(100% + 180px); left: 0; right: 0;
    background: rgba(11,13,23,.98);
    padding: 0 24px 24px; gap: 12px;
    justify-content: center;
  }

  .hero { padding: 130px 0 40px; }
  .hero__title { font-size: 2rem; }
  .hero__stats { gap: 32px; }
  .hero__stat strong { font-size: 1.4rem; }

  .mockup-sidebar { display: none; }

  .steps { flex-direction: column; gap: 24px; align-items: center; }
  .step__connector { width: 2px; height: 40px; margin: 0; }

  .testimonials__grid { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 400px; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; text-align: center; }

  .cta__inner { padding: 40px 24px; }

  section { padding: 80px 0; }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .hero__title { font-size: 1.75rem; }
  .hero__cta { flex-direction: column; align-items: center; }
  .features__grid { grid-template-columns: 1fr; }
  .mockup-content { padding: 16px; }
  .mockup-schedule__row { flex-wrap: wrap; gap: 8px; }
  .mockup-day { min-width: 100%; }
}