/* ==========================================================================
   Responsive overrides — Mobile-first base is in main.css
   Add only breakpoint-specific adjustments here.
   ========================================================================== */

/* ---------- Reduce type scale on mobile ---------- */
@media (max-width: 720px) {
  :root {
    /* Tighten type for mobile readability */
    --fs-display:   clamp(1.875rem, 7vw, 2.5rem);   /* 30 → 40px */
    --fs-h1:        clamp(1.75rem,  6vw, 2.25rem);  /* 28 → 36px */
    --fs-h2:        clamp(1.375rem, 5vw, 1.75rem);  /* 22 → 28px */
    --fs-h3:        clamp(1.25rem,  4vw, 1.5rem);   /* 20 → 24px */
    --fs-h4:        clamp(1.0625rem, 3.5vw, 1.25rem); /* 17 → 20px */
    --fs-body-lg:   1rem;        /* 16px (down from 18px) */
    --fs-body:      0.9375rem;   /* 15px (down from 16px) */
    --fs-body-sm:   0.875rem;    /* 14px */
    --fs-caption:   0.75rem;     /* 12px */
    --fs-micro:     0.625rem;    /* 10px */

    /* Looser line-heights for body on mobile */
    --lh-body:      1.6;

    /* Less aggressive letter-spacing on mobile */
    --ls-display:   -0.025em;
    --ls-h1:        -0.025em;
    --ls-h2:        -0.025em;
    --ls-h3:        -0.02em;
  }
}

@media (max-width: 480px) {
  :root {
    --fs-display:   1.875rem;   /* 30px hard cap on very small */
    --fs-h1:        1.625rem;   /* 26px */
    --fs-h2:        1.375rem;   /* 22px */
  }
}

/* ---------- Tablet portrait (>= 600px) ---------- */
@media (min-width: 600px) {
  .hero__title { letter-spacing: -0.045em; }
}

/* ---------- Tablet landscape (>= 960px) ---------- */
@media (min-width: 960px) {
  .hero__title { letter-spacing: -0.05em; }
  .nav__link   { font-size: var(--fs-body); }
}

/* ---------- Desktop (>= 1100px) ---------- */
@media (min-width: 1100px) {
  .hero__title {
    font-size: clamp(3.5rem, 5vw + 1rem, 7rem);
    letter-spacing: -0.05em;
  }
}

/* ---------- Large desktop (>= 1440px) ---------- */
@media (min-width: 1440px) {
  :root { --gutter-desktop: 48px; }
}

/* ---------- Mobile-specific (max-width 720px) ---------- */
@media (max-width: 720px) {
  .hero__ctas { gap: var(--space-5); }
  .case-card__media { aspect-ratio: 16 / 11; }
  .calc { padding: var(--space-7); }
  .services__cta { padding: var(--space-8); }
  .video-card { aspect-ratio: 16 / 10; }
  .lightbox__close { top: var(--space-3); right: var(--space-3); }
  .lightbox__nav--prev { left: var(--space-3); }
  .lightbox__nav--next { right: var(--space-3); }

  /* Tighter button padding on mobile */
  .btn { padding: 12px 18px; min-height: 46px; }
  .btn--lg { padding: 14px 22px; min-height: 52px; }

  /* Tighter section padding */
  .section { padding-block: clamp(40px, 8vw, 64px); }

  /* Process step layout */
  .process-step { padding: var(--space-7) 0; }

  /* Hero: text sticks below center, stronger white under text */
  .hero {
    justify-content: flex-end;
    min-height: calc(100vh - 64px);
    min-height: calc(100dvh - 64px);
    padding-bottom: 22vh;
    padding-bottom: 22dvh;
  }
  .hero__media::after {
    background: linear-gradient(180deg,
      rgba(0, 0, 0, 0.00) 0%,
      rgba(0, 0, 0, 0.05) 30%,
      rgba(0, 0, 0, 0.20) 55%,
      rgba(0, 0, 0, 0.30) 80%,
      rgba(0, 0, 0, 0.40) 100%);
  }
  .hero__photo {
    object-position: 75% 30%;
  }
  .hero__title {
    font-size: clamp(2rem, 7vw, 2.75rem);
    font-weight: 600;
    color: var(--color-white);
    text-shadow:
      0 1px 2px rgba(0, 0, 0, 0.9),
      0 0 16px rgba(0, 0, 0, 0.5),
      0 0 1px rgba(255, 255, 255, 0.15);
  }
  .hero__title-accent {
    color: var(--color-cta);
  }
  .hero__sub {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    text-shadow:
      0 1px 2px rgba(0, 0, 0, 0.85),
      0 0 12px rgba(0, 0, 0, 0.6);
  }

  /* Cases + Video: 2-col grid on mobile, tighter everything */
  .cases__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }
  .case-card {
    padding: 0;
  }
  .case-card__title {
    font-size: var(--fs-caption);
    line-height: 1.25;
  }
  .case-card__meta {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.625rem;
    letter-spacing: 0;
  }
  .case-card__desc {
    display: none;
  }
  .case-card__cta {
    display: none;
  }
  .case-card__body {
    padding: var(--space-5);
    gap: var(--space-3);
  }

  /* Services + Video: tighten on mobile */
  .services__grid {
    gap: var(--space-5);
  }

  .video__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  .video-card {
    aspect-ratio: 4 / 5;
  }
  .video-card__caption,
  .video-card__meta {
    display: none;
  }

  /* Scroll progress: sticky → fixed on mobile (Telegram WebView fix).
     Sticky conflicts with header (also sticky) and breaks when body.overflow=hidden
     (modal open). Fixed stays pinned to viewport regardless. */
  .scroll-progress {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    margin-top: 0;
  }
}

/* ---------- Mobile small (max-width 480px) ---------- */
@media (max-width: 480px) {
  .hero__ctas { flex-direction: column; width: 100%; }
  .hero__ctas .btn { width: 100%; }
  .section__head { gap: var(--space-5); margin-bottom: var(--space-9); }
  .footer__bottom { flex-direction: column; text-align: center; }

  /* Hero: slightly less bottom padding on very small */
  .hero {
    padding-bottom: 18vh;
  }
  .hero__title {
    font-size: 2rem;
  }

  /* Benefits: 1 column on very small */
  .benefits__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .benefits__card {
    padding-bottom: var(--space-6);
  }
}

/* ---------- Ultra-narrow (max-width 419px) ---------- */
@media (max-width: 419px) {
  .case-card__meta-hidden-mobile { display: none; }
}