/* ─── Mobile-First Responsive Design ─────────────────────────────────────────
   Breakpoints:
     375px  → small phones (base)
     640px  → large phones
     768px  → tablets
     1024px → small desktops / laptops
     1280px → large desktops
──────────────────────────────────────────────────────────────────────────── */

/* ── Tablet and below (≤ 1024px) ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .content__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__grid {
    gap: 32px;
  }

  .contact__inner {
    grid-template-columns: 1fr;
  }
}

/* ── Tablet (≤ 768px) ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Navbar */
  .navbar__links,
  .navbar__cta {
    display: none;
  }

  .navbar__toggle {
    display: flex;
  }

  /* Mobile nav open state */
  .navbar.nav-open .navbar__links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 20, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 999;
  }

  .navbar.nav-open .navbar__link {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 12px 24px;
  }

  .navbar.nav-open .navbar__cta {
    display: flex;
    font-size: 1rem;
    margin-top: 8px;
  }

  .navbar.nav-open .navbar__toggle {
    position: fixed;
    top: 24px;
    right: clamp(16px, 5vw, 48px);
    z-index: 1001;
  }

  .navbar.nav-open .navbar__toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .navbar.nav-open .navbar__toggle span:nth-child(2) {
    opacity: 0;
  }
  .navbar.nav-open .navbar__toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Hero */
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__avatar {
    margin: 0 auto;
    order: -1;
  }

  .hero__tag {
    margin: 0 auto 24px;
  }

  .hero__tagline {
    margin: 0 auto 32px;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px 40px;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
  }

  /* Content */
  .content__grid {
    grid-template-columns: 1fr;
  }

  /* Community */
  .community__grid {
    grid-template-columns: 1fr;
  }

  /* Contact form */
  .contact-form {
    padding: 24px;
  }
}

/* ── Small phones (≤ 480px) ───────────────────────────────────────────────── */
@media (max-width: 480px) {
  .socials__grid {
    grid-template-columns: 1fr;
  }

  .about__info-cards {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    gap: 20px 32px;
  }

  .hero__avatar {
    width: 180px;
    height: 180px;
    font-size: 56px;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .back-top {
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

/* ── Reduced motion ───────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .hero__avatar {
    animation: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}