/* ============================================================
   ARIO — 11 RESPONSIVE
   All media queries
   ============================================================ */

@media (max-width: 1200px) {
  .nav-links { gap: .4rem; }
  .nav-link { padding: .5rem .8rem; font-size: .82rem; }
  .btn-register { padding: .45rem .8rem !important; font-size: .76rem !important; }
  .brand-logo-ring { width: 66px; height: 66px; }
}

@media (max-width: 1080px) {
  .nav-links { gap: .35rem; }
  .nav-link { padding: .45rem .7rem; font-size: .78rem; }
}

@media (max-width: 1024px) {
  .hero { gap: 3rem; padding: 1rem 1.5rem 4rem; }
  .meaning-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: clamp(1.5rem, 3.2vw, 2.5rem); }

  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: .8rem; max-width: 100%; }
  .stat-big { padding: 1.4rem .6rem 1.2rem; }
  .stat-big-icon { width: 46px; height: 46px; border-radius: 12px; }
  .stat-big-icon svg { width: 22px; height: 22px; }
  .stat-big-num { font-size: 1.25rem; }
  .stat-big-lbl { font-size: .74rem; }

  .learn-hero { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
  .learn-hero-content { margin-inline: auto; }
  .learn-hero-sub { margin-inline: auto; }
  .learn-hero-actions { justify-content: center; }
  .learn-hero-stats { margin-inline: auto; }
  .learn-hero-visual { min-height: 480px; max-width: 500px; margin-inline: auto; width: 100%; }

  .path-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }

  .course-grid { grid-template-columns: repeat(3, 1fr); }
  .meaning-grid-center { grid-template-columns: repeat(2, 1fr); }

  .level-grid { grid-template-columns: repeat(2, 1fr); }
  .leader-row { grid-template-columns: 60px 1fr 90px 80px; font-size: .86rem; }
}

@media (max-width: 980px) {
  .nav-link { padding: .4rem .6rem; font-size: .74rem; gap: .3rem; }
  .btn-register { padding: .42rem .7rem !important; font-size: .72rem !important; }
  .brand-logo-ring { width: 60px; height: 60px; }
}

@media (max-width: 900px) {
  .nav-link[href*="#courses"] { display: none; }
}

@media (max-width: 860px) {
  .hero-deco { display: none; }
  .hero {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: center;
    padding: 2rem 1.5rem 3rem;
    min-height: calc(100vh - 84px);
  }
  .hero-content { max-width: 100%; margin-inline: auto; }
  .hero-slogan {
    text-align: center;
    border-inline-start: none;
    padding-inline-start: 0;
    border-top: 2px solid var(--yellow-500);
    border-bottom: 2px solid var(--yellow-500);
    padding: .7rem 0;
    max-width: 400px;
    margin-inline: auto;
  }
  .hero-desc { margin-inline: auto; }
  .code-card { transform: none; max-width: 560px; margin-inline: auto; }
  .float-badge { font-size: .74rem; padding: .45rem .9rem; }
  .float-badge-1 { top: -18px; right: 10px; }
  .float-badge-2 { bottom: -18px; left: 10px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; gap: 1.2rem; }
  .footer-meta { justify-content: center; }
  .channel-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 1.8rem 1.3rem; }

  .contest-hero { min-height: auto; padding: 3rem 1.2rem 4rem; }
  .prize-grid { grid-template-columns: 1fr; max-width: 420px; }
  .leader-row { grid-template-columns: 50px 1fr 60px; font-size: .82rem; padding: .8rem .7rem; }
  .leader-xp { display: none; }
  .leader-row-header .leader-xp { display: none; }

  .course-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { height: 84px; gap: .6rem; }
  .nav-links { flex: initial; gap: .4rem; }
  .nav-links .nav-link:first-child { display: none; }
  .nav-link { padding: .45rem .7rem; font-size: .74rem; }
  .brand-logo-ring { width: 60px; height: 60px; }

  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: .75rem; }
  .stat-big { padding: 1.3rem .6rem 1.1rem; }
  .stat-big-num { font-size: 1.1rem; }
  .stat-big-lbl { font-size: .7rem; }
}

@media (max-width: 640px) {
  .nav { height: 76px; }
  .brand-logo-ring { width: 56px; height: 56px; padding: 3px; }
  .nav-links { display: none; }
  .nav-actions { gap: .4rem; }
  .nav-user-name { display: none; }
  .nav-user { padding: .35rem !important; }
  .nav-user-avatar { width: 24px; height: 24px; }

  .btn-sm { padding: .5rem .9rem; font-size: .8rem; }
  .btn-register { padding: .48rem .78rem !important; font-size: .76rem !important; }

  .hero { min-height: calc(100vh - 76px); padding: 1.5rem 1rem 1rem; }
  .hero-title { font-size: 1.5rem; line-height: 1.55; }
  .hero-desc  { font-size: .92rem; }
  .meaning-grid { grid-template-columns: 1fr; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: .65rem; }
  .stat-big { padding: 1.2rem .5rem 1rem; }
  .stat-big-icon { width: 42px; height: 42px; border-radius: 11px; margin-bottom: .5rem; }
  .stat-big-icon svg { width: 20px; height: 20px; }
  .stat-big-num { font-size: 1rem; }
  .stat-big-lbl { font-size: .66rem; }

  .code-body { font-size: .78rem; padding: 1rem .8rem; }
  .code-body .line { padding-left: 3.8rem; }
  .code-body .line::before { width: 2.5rem; font-size: .7rem; }
  .code-body::before { left: calc(.8rem + 2.5rem); }
  .code-card::after { font-size: .6rem; padding: .4rem .8rem; }
  .footer-logo { height: 40px; }

  .float-badge-1 { top: -16px; right: 8px; font-size: .7rem; padding: .4rem .85rem; }
  .float-badge-2 { bottom: -16px; left: 8px; font-size: .7rem; padding: .4rem .85rem; }

  .support-title { font-size: 1.7rem; }
  .channel-card { padding: 1.2rem 1.1rem; }
  .channel-icon { width: 46px; height: 46px; }
  .channel-icon svg { width: 24px; height: 24px; }
  .faq-question { padding: 1rem 1.1rem; font-size: .9rem; }
  .faq-answer { padding: 0 1.1rem 1.1rem; font-size: .86rem; }
  .message-card { padding: 1.1rem; }
  .support-meta { flex-direction: column; align-items: stretch; }
  .support-meta-item { justify-content: center; }

  .bonus-hero { padding: 3.5rem 1rem 4rem; border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
  .bonus-trophy { width: 84px; height: 84px; margin-bottom: 1.2rem; }
  .bonus-tag { font-size: .68rem; padding: .45rem .95rem; }
  .bonus-sub { font-size: .94rem; }
  .bonus-input-wrap { flex-direction: column; }
  .bonus-input-wrap input { font-size: .92rem; letter-spacing: .12em; padding: 1rem 1.2rem; }
  .bonus-submit { padding: 1rem; font-size: .9rem; border-radius: 0; }
  .bonus-course-grid { grid-template-columns: 1fr; gap: 1rem; }
  .bonus-course-card { padding: 1.6rem 1.2rem; }
  .bonus-course-free { font-size: 1.55rem; }

  .ai-story-card { padding: 3rem 1.4rem 2.6rem; }
  .ai-story-stats { gap: .6rem; }
  .ai-story-stat { padding: 1rem .5rem; }
  .ai-story-stat-num { font-size: 1.35rem; }
  .ai-story-stat-lbl { font-size: .72rem; }
  .ai-story-text { font-size: .94rem; line-height: 2; }

  .coming-soon-card { padding: 2.5rem 1.6rem 2rem; }
  .coming-soon-title { font-size: 1.5rem; }
  .coming-soon-icon { font-size: 3.5rem; }

  .cta-card { padding: 3.5rem 1.4rem 3rem; }
  .cta-title { font-size: 1.6rem; }
  .cta-sub { font-size: .95rem; }
  .btn-cta-main { padding: 1rem 1.6rem; font-size: .95rem; border-radius: 16px; white-space: nowrap; }
  .cta-note { font-size: .74rem; gap: .5rem; }
  .cta-corner { width: 10px; height: 10px; }
  .cta-corner-tl { top: -5px; left: -5px; }
  .cta-corner-tr { top: -5px; right: -5px; }
  .cta-corner-br { bottom: -5px; right: -5px; }
  .cta-corner-bl { bottom: -5px; left: -5px; }
  .cta-code-col { font-size: .68rem; }

  .stats-title { font-size: 1.4rem; }
  .stats-sub   { font-size: .88rem; }
  .stats-head  { margin-bottom: 1.8rem; }

  .learn-hero { padding: 2rem 1rem 3rem; }
  .learn-hero-title { font-size: 1.6rem; }
  .learn-hero-sub { font-size: .94rem; }
  .learn-hero-stats { grid-template-columns: 1fr; gap: .65rem; }
  .learn-code-float { font-size: .72rem; padding: 1.1rem 1.3rem; bottom: 0; }
  .learn-float-chip { font-size: .7rem; padding: .3rem .75rem; }
  .learn-float-1 { top: 3%; left: 3%; }
  .learn-float-2 { top: 8%; right: 3%; }
  .learn-float-3 { bottom: 8%; left: 3%; }
  .learn-float-4 { bottom: 3%; right: 3%; }

  .path-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .level-grid { grid-template-columns: 1fr; }

  .learn-courses { padding: 4rem 1rem 2rem; }
  .course-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .meaning-grid-center { grid-template-columns: 1fr; }
  .course-cover { height: 100px; }
  .course-price-num { font-size: 1.05rem; }

  .contest-tag { font-size: .66rem; letter-spacing: .14em; padding: .4rem .9rem; }
  .contest-trophy-wrap { width: 110px; height: 110px; }
  .contest-trophy { width: 70px; height: 70px; }
  .contest-title { font-size: 1.5rem; }
  .contest-sub { font-size: .92rem; }
  .contest-hero-stats { grid-template-columns: 1fr; gap: .6rem; max-width: 320px; }
  .contest-mini-num { font-size: 1.2rem; }

  .rule-item { flex-direction: column; gap: .6rem; padding: 1.1rem; }
  .rule-num { font-size: 1.25rem; }

  .prize-amount { font-size: 1.5rem; }
  .contest-cta-card { padding: 2.8rem 1.4rem; }

  .auth-card { padding: 2.8rem 1.4rem 1.8rem; margin: 2rem auto; }
  .auth-card-icon { width: 60px; height: 60px; border-radius: 18px; }
  .auth-card-icon svg { width: 30px; height: 30px; }
  .auth-card h2 { font-size: 1.3rem; }
  .auth-sub { font-size: .84rem; }
  .hand-wave { width: 24px; height: 24px; }
  .sparkle-icon { width: 20px; height: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}