/* ======================================================
   AiPrank.ru — Additional sections CSS
   (Services, Examples tabs, Channel, Floating buttons)
   ====================================================== */

/* ─── Services ─── */
.services { background: var(--dark2); }
.services__sub {
  color: rgba(250,250,248,.55);
  font-size: 18px;
  max-width: 560px;
  margin-top: 12px;
  margin-bottom: 48px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0;
  border: 3px solid rgba(255,255,255,.08);
}

.service-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 44px 36px;
  border-right: 3px solid rgba(255,255,255,.08);
  position: relative;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
  color: var(--white);
  height: 100%;
}
.service-card:last-child { border-right: none; }

.service-card:hover {
  background: rgba(255,255,255,.04);
}

.service-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 2px solid currentColor;
  margin-bottom: 24px;
}
.tag-red   { color: var(--red);    border-color: var(--red); }
.tag-blue  { color: var(--blue);   border-color: var(--blue); }
.tag-yellow{ color: var(--yellow); border-color: var(--yellow); }
.tag-pink  { color: #e91e8c;       border-color: #e91e8c; }

.service-card__icon {
  font-size: 44px;
  margin-bottom: 16px;
  display: block;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 21px;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: var(--white);
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.service-card__desc {
  color: rgba(250,250,248,.6);
  line-height: 1.65;
  font-size: 15px;
  margin-bottom: 24px;
}

.service-card__arrow {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: rgba(250,250,248,.3);
  transition: color var(--transition), letter-spacing var(--transition);
}
.service-card:hover .service-card__arrow {
  color: var(--yellow);
  letter-spacing: 2px;
}

/* ─── Examples Tabs ─── */
.examples { background: var(--dark); }

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 32px 0 40px;
}

.tab {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .5px;
  padding: 9px 22px;
  background: transparent;
  color: rgba(250,250,248,.5);
  border: 2px solid rgba(255,255,255,.12);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.tab:hover {
  color: var(--yellow);
  border-color: rgba(255,215,0,.3);
}
.tab--active {
  background: var(--yellow);
  color: var(--dark);
  border-color: var(--yellow);
  box-shadow: 4px 4px 0 var(--dark);
}

.examples__masonry {
  columns: 1;
  gap: 0;
  border: 3px solid rgba(255,255,255,.1);
}

@media (min-width: 640px)  { .examples__masonry { columns: 2; } }
@media (min-width: 1024px) { .examples__masonry { columns: 3; } }

.ex-card {
  break-inside: avoid;
  border-bottom: 3px solid rgba(255,255,255,.1);
  border-right: 3px solid rgba(255,255,255,.1);
  background: var(--mid);
  cursor: pointer;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
  display: block;
}
.ex-card:hover {
  box-shadow: 0 0 0 3px var(--yellow);
  z-index: 2;
}

.ex-card__thumb {
  aspect-ratio: 4/5;
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.ex-card__thumb--wide { 
  aspect-ratio: 16/9; 
}

.ex-card__badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 2px solid rgba(0,0,0,.3);
}

.ex-card__play {
  width: 58px; height: 58px;
  background: var(--yellow);
  border: 3px solid var(--dark);
  box-shadow: 4px 4px 0 var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--dark);
  transition: transform var(--transition), box-shadow var(--transition);
}
.ex-card:hover .ex-card__play {
  transform: scale(1.1);
  box-shadow: 6px 6px 0 var(--red);
}

.ex-card__body { padding: 18px 20px; }
.ex-card__cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--yellow);
  display: block;
  margin-bottom: 6px;
}
.ex-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  text-transform: uppercase;
  color: var(--white);
}

.ex-card--hidden { display: none; }

/* ─── Channel ─── */
.channel { background: var(--dark2); }
.channel__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.channel__desc {
  color: rgba(250,250,248,.6);
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 440px;
}
.channel__socials { display: flex; gap: 12px; flex-wrap: wrap; }

.social-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 24px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  min-width: 90px;
  border: 3px solid var(--dark);
  box-shadow: 4px 4px 0 var(--dark);
  color: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  text-align: center;
}
.social-btn:active { transform: translate(3px,3px); box-shadow: none !important; }
.social-btn svg { flex-shrink: 0; fill: currentColor; width: 28px; height: 28px; }

.social-btn--yt  { background: #c4302b; }
.social-btn--yt:hover  { transform: translate(-2px,-2px); box-shadow: 6px 6px 0 var(--yellow); }
.social-btn--tg  { background: #2aabee; }
.social-btn--tg:hover  { transform: translate(-2px,-2px); box-shadow: 6px 6px 0 var(--yellow); }
.social-btn--vk  { background: #4C75A3; }
.social-btn--vk:hover  { transform: translate(-2px,-2px); box-shadow: 6px 6px 0 var(--yellow); }

.channel__video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.ch-vid {
  position: relative;
  aspect-ratio: 9/16;
  border: 3px solid rgba(255,255,255,.1);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.ch-vid:hover { border-color: var(--yellow); transform: translate(-3px,-3px); }
.ch-vid__thumb { position: absolute; inset: 0; }
.ch-vid__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: rgba(255,255,255,.7);
  background: rgba(0,0,0,.2);
  transition: background var(--transition);
}
.ch-vid:hover .ch-vid__play { background: rgba(0,0,0,.4); color: var(--yellow); }

/* ─── Contact promises ─── */
.contact__promises {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}
.promise {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(250,250,248,.8);
}
.promise__icon { font-size: 22px; flex-shrink: 0; }

/* ─── Floating Buttons ─── */
.floating-btns {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 2000;
}
.float-btn {
  width: 52px; height: 52px;
  border: 3px solid var(--dark);
  box-shadow: 4px 4px 0 var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
}
.float-btn:hover { transform: translate(-3px,-3px); box-shadow: 7px 7px 0 rgba(0,0,0,.6); }
.float-btn:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--dark); }
.float-btn--tg { background: #2aabee; }
.float-btn--vk { background: #4C75A3; }
.float-btn svg { fill: currentColor; }

/* ─── How step responsive fix ─── */
@media (max-width: 900px) {
  .channel__inner { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 600px) {
  .services__grid { grid-template-columns: 1fr; }
  .service-card { border-right: none; border-bottom: 3px solid rgba(255,255,255,.08); }
  .service-card:last-child { border-bottom: none; }
  .channel__video-grid { grid-template-columns: 1fr 1fr; }
  .floating-btns { bottom: 16px; right: 16px; }
  .float-btn { width: 46px; height: 46px; }
}

/* ─── Video Integration & Modal ─── */
.card-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  background: var(--dark);
}
.card-video--top {
  object-position: center 15%;
}
.ex-card__thumb .card-video, .ch-vid__thumb .card-video {
  transition: transform var(--transition);
}
.ex-card:hover .ex-card__thumb .card-video, .ch-vid:hover .ch-vid__thumb .card-video {
  /* Subtle zoom on hover */
  transform: scale(1.03); 
}

/* Video Modal */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.video-modal[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}
.video-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 18, 0.95);
  backdrop-filter: blur(10px);
  cursor: pointer;
}
.video-modal__content {
  position: relative;
  z-index: 2;
  width: 90vw;
  max-width: 1000px;
  max-height: 90vh;
  background: var(--dark);
  border: 3px solid var(--yellow);
  box-shadow: 12px 12px 0 var(--red);
  display: flex;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.video-modal[aria-hidden="false"] .video-modal__content {
  transform: translateY(0) scale(1);
}
.video-modal__player {
  width: 100%;
  max-height: calc(90vh - 6px); /* account for border */
  aspect-ratio: 16/9;
  object-fit: contain;
  background: var(--dark);
}
.video-modal__player.vertical {
  aspect-ratio: 9/16;
  max-width: 50vh;
  margin: 0 auto;
}
.video-modal__close {
  position: absolute;
  top: -24px;
  right: -24px;
  width: 48px;
  height: 48px;
  background: var(--red);
  color: var(--white);
  border: 3px solid var(--dark);
  box-shadow: 4px 4px 0 var(--dark);
  font-family: var(--font-display);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: transform var(--transition), box-shadow var(--transition);
}
.video-modal__close:hover {
  transform: translate(-2px, -2px) rotate(90deg);
  box-shadow: 6px 6px 0 var(--yellow);
}
@media (max-width: 600px) {
  .video-modal__close {
    top: -15px;
    right: -10px;
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
}