/* ═══════════════════════════════════════════════════════════════════════════
   IVA Cloud — Home Page Styles
   All section-specific styles for the premium home page redesign.
   Mobile-first: base = mobile, min-width breakpoints for larger screens.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Shared section layout ─────────────────────────────────────────────── */

.home-section {
    padding-block: clamp(4rem, 10vw, 8rem);
    background: var(--bg-deep);
    position: relative;
}

.home-section__header {
    margin-bottom: clamp(2rem, 5vw, 4rem);
}

.home-section__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--text-on-dark);
    letter-spacing: var(--ls-tight);
    line-height: 1.05;
    margin-top: 0.5rem;
}

/* ─── Fade-in animation ─────────────────────────────────────────────────── */

.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease-premium), transform 0.7s var(--ease-premium);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ─── HERO ──────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: var(--bg-deep);
  padding: 6rem 0 4rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 199, 209, 0.15) 0%, transparent 60%);
  transform: translateX(-50%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1.2fr;  /* картинка ширша за текст */
  gap: 3rem;
  align-items: center;
}

.hero-content .eyebrow {
  display: block;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: var(--fs-h1);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin: 0 0 2rem;
}

.hero-title span {
  display: block;
}

.hero-title .line-white {
  color: var(--text-on-dark);
}

.hero-title .line-accent {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.5;
  margin: 0 0 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ВЕЛИКА картинка-герой */
.hero-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 16/12;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  padding: 1.5rem;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding: 7rem 0 4rem;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hero-visual {
    aspect-ratio: 16/10;
    order: 2;
  }
  
  .hero-content {
    order: 1;
  }
  
  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }
}

/* ─── BENTO GRID ────────────────────────────────────────────────────────── */

.bento {
    background: var(--bg-deep);
    padding-block: clamp(4rem, 8vw, 7rem);
}

.bento__header {
    text-align: center;
    margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 250px);
    gap: 16px;
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.bento-tile {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-card-dark);
    cursor: pointer;
    transition: transform 0.4s var(--ease-premium);
}

.bento-tile:nth-child(1) {
    grid-row: span 3;
}

.bento-tile__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-premium);
}

.bento-tile:hover .bento-tile__img {
    transform: scale(1.05);
}

.bento-tile__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(5, 5, 7, 0.95) 100%);
    z-index: 1;
}

.bento-tile__body {
    position: absolute;
    bottom: 24px;
    left: 24px;
    right: 24px;
    z-index: 2;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    color: #fff;
}

.bento-tile__name {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 600;
    color: #fff;
    letter-spacing: var(--ls-normal);
    line-height: 1.2;
}

.bento-tile__arrow {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    transition: transform 0.3s var(--ease-premium), color 0.3s ease;
    flex-shrink: 0;
}

.bento-tile:hover .bento-tile__arrow {
    transform: translateX(6px);
    color: #fff;
}

@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    .bento-tile:nth-child(1) {
        grid-row: auto;
    }
    .bento-tile {
        min-height: 320px;
    }
}

/* ─── HOW IT WORKS ──────────────────────────────────────────────────────── */

.how {
    background: var(--bg-deep);
    padding-block: clamp(4rem, 8vw, 7rem);
}

.how__header {
    text-align: center;
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.how__eyebrow {
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    font-size: 0.7rem;
    color: rgba(245, 245, 247, 0.35);
    margin-bottom: var(--space-sm);
    display: block;
}

.step-icon {
  color: var(--accent);
  margin: 0 auto 1.5rem;
  display: block;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.timeline-step {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
    text-align: center;
    padding-block: 2.5rem;
}

.timeline-step::after {
  content: '';
  position: absolute;
  top: 60px;
  right: -50%;
  width: 100%;
  height: 1px;
  background-image: linear-gradient(to right, var(--accent) 50%, transparent 50%);
  background-size: 12px 1px;
  background-repeat: repeat-x;
  opacity: 0.4;
}

.timeline-step:last-child::after {
  display: none;
}

@media (max-width: 768px) {
  .timeline-step::after { display: none; }
}

.timeline-step__number {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 600;
    color: rgba(0, 199, 209, 0.25);
    line-height: 1;
    min-width: 3rem;
    transition: color 0.4s ease;
}

.timeline-step.visible .timeline-step__number {
    color: var(--accent);
}

.timeline-step__content {
    padding-top: 0.5rem;
}

.timeline-step__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-on-dark);
    margin-bottom: 0.5rem;
    letter-spacing: var(--ls-normal);
}

.timeline-step__desc {
    font-size: var(--fs-small);
    color: rgba(245, 245, 247, 0.5);
    line-height: 1.65;
    max-width: 36ch;
}

@media (min-width: 768px) {
    .timeline {
        flex-direction: row;
        align-items: flex-start;
        gap: 0;
    }

    .timeline-step {
        flex: 1;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding-block: 0;
        padding-inline: var(--space-lg);
    }

    .timeline-step:first-child {
        padding-left: 0;
    }
}

/* ─── PARTNERS MARQUEE ──────────────────────────────────────────────────── */

.partners {
    background: var(--bg-deep);
    padding-block: clamp(3rem, 6vw, 5rem);
    overflow: hidden;
}

.partners__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.partners__subtitle {
    font-size: var(--fs-small);
    color: rgba(245, 245, 247, 0.4);
    margin-top: 0.5rem;
	font-size: 1.0rem;
}

.partners-marquee {
  overflow: hidden;
  width: 100%;
  position: relative;
  /* Плавний fade на краях */
  mask-image: linear-gradient(to right, transparent 0%, #000 80px, #000 calc(100% - 80px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 80px, #000 calc(100% - 80px), transparent 100%);
}

.partners-track {
  display: flex;
  width: max-content;
  animation: partners-scroll 35s linear infinite;
  will-change: transform;
}

.partners-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.partner-item {
  flex-shrink: 0;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
}

.partner-item__text {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color 0.3s ease;
}

.partner-item:hover .partner-item__text {
  color: var(--text-on-dark);
}

.partner-item img {
  max-height: 36px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.partner-item img:hover {
  opacity: 1;
}

@keyframes partners-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-25%); }
}

.partners-marquee:hover .partners-track {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  .partners-track {
    animation: none;
  }
}

/* ── Calculator v2 ───────────────────────────────── */
.calculator-section {
  background: var(--bg-deep);
  padding: 100px 0;
  border-top: 1px solid var(--border-dark);
}

.calculator-section__header {
  text-align: center;
  margin-bottom: 56px;
}

.calc-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 12px;
}

.calc-wrapper {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Слайдери */
.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 28px;
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  padding: 36px 40px;
}

.calculator__field {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.calculator__label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.calculator__label-text {
  font-size: var(--fs-small);
  font-weight: 600;
  color: rgba(245, 245, 247, 0.7);
  letter-spacing: var(--ls-normal);
}

.calculator__label-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-on-dark);
}

/* Custom range slider */
.calculator__range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  position: relative;
}

.calculator__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 0 4px rgba(0, 199, 209, 0.25);
  transition: box-shadow 0.2s ease;
}

.calculator__range::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 7px rgba(0, 199, 209, 0.2);
}

.calculator__range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 0 4px rgba(0, 199, 209, 0.25);
}

.calc-range-hints {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.5;
}

/* Блок економії */
.calc-saving-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border-dark);
  border-radius: 20px;
  overflow: hidden;
}

.calc-saving-main {
  background: linear-gradient(135deg, rgba(0,199,209,0.08), rgba(0,199,209,0.02));
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
}

.calc-saving-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.calc-saving-value {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}

.calc-saving-details {
  background: var(--bg-card-dark);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: center;
}

.calc-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.calc-detail-row--iva .calc-detail-name {
  color: var(--accent);
  font-weight: 600;
}

.calc-detail-row--iva .calc-detail-val {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 600;
}

.calc-detail-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-on-dark);
}

.calc-detail-divider {
  height: 1px;
  background: var(--border-dark);
  margin: 4px 0;
}

.calc-footnote {
  font-size: 0.85rem;
  color: var(--text-muted);
  opacity: 0.6;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.calc-cta {
  text-align: center;
  margin-top: 40px;
}

@media (max-width: 768px) {
  .calculator-section { padding: 64px 0; }
  .calc-controls { padding: 24px 20px; }
}

@media (max-width: 640px) {
  .calc-saving-block {
    grid-template-columns: 1fr;
  }
  .calc-saving-main { padding: 28px 24px; }
  .calc-saving-details { padding: 24px 20px; }
}

/* ─── CASE STUDIES ──────────────────────────────────────────────────────── */

.cases {
    background: var(--bg-deep);
    padding-block: clamp(4rem, 8vw, 7rem);
}

.cases__header {
    margin-bottom: clamp(2rem, 5vw, 4rem);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-md);
}

.case-card {
    background: var(--bg-card-dark);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color 0.4s ease, transform 0.4s var(--ease-premium);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    border-color: rgba(0, 199, 209, 0.25);
    transform: translateY(-4px);
}

.case-card__photo-wrap {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.case-card__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s var(--ease-premium);
}

.case-card:hover .case-card__photo {
    transform: scale(1.05);
}

.case-card__body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
}

.case-card__category {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    color: var(--accent);
}

.case-card__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-on-dark);
    letter-spacing: var(--ls-normal);
    line-height: 1.3;
}

.case-card__meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(245, 245, 247, 0.3);
}

.case-card__desc {
    font-size: var(--fs-small);
    color: rgba(245, 245, 247, 0.5);
    line-height: 1.65;
    flex: 1;
}

.case-card__arrow {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.3);
    margin-top: 0.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
    display: inline-block;
}

.case-card:hover .case-card__arrow {
    color: var(--accent);
    transform: translateX(4px);
}

@media (min-width: 768px) {
}


/* ── How Block — Big Cards ───────────────────────── */
.how-block {
  background: var(--bg-deep);
  padding: 100px 0;
  border-top: 1px solid var(--border-dark);
}

.how-header {
  margin-bottom: 56px;
}

.how-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 12px 0 0;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.how-step {
  position: relative;
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  border-radius: 24px;
  padding: 40px 36px 44px;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease;
  cursor: default;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.how-step:hover {
  border-color: rgba(0, 199, 209, 0.3);
  transform: translateY(-4px);
}

.how-step-bg-num {
  position: absolute;
  top: -24px;
  right: -8px;
  font-family: var(--font-mono);
  font-size: clamp(7rem, 12vw, 11rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.06);
  letter-spacing: -0.05em;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  transition: -webkit-text-stroke-color 0.4s ease;
}

.how-step:hover .how-step-bg-num {
  -webkit-text-stroke-color: rgba(0, 199, 209, 0.12);
}

.how-step-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.how-step-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 199, 209, 0.08);
  border: 1px solid rgba(0, 199, 209, 0.15);
  border-radius: 14px;
  color: var(--accent);
  transition: background 0.3s ease;
}

.how-step:hover .how-step-icon {
  background: rgba(0, 199, 209, 0.14);
}

.how-step-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.how-step-label {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.2;
}

.how-step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 768px) {
  .how-block { padding: 64px 0; }
  .how-steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .how-step {
    min-height: 200px;
    padding: 32px 28px 36px;
  }
  .how-step-bg-num {
    font-size: 6rem;
    top: -16px;
    right: -4px;
  }
}

/* ─── WHY PRO ─── */
.why-pro {
  background: var(--bg-dark);
  padding: 5rem 0;
}

.why-pro-header {
  text-align: center;
  margin-bottom: 3rem;
}

.why-pro-header .eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
}

.support-hero-title {
  font-size: var(--fs-h1);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text-on-dark);
  margin: 0 auto 1.5rem;
  max-width: 800px;
}

.why-pro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .why-pro-grid { grid-template-columns: 1fr; }
}

.why-card {
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

.why-card:hover {
  border-color: rgba(0,102,255,0.35);
  transform: translateY(-3px);
}

.why-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,102,255,0.1);
  border-radius: 14px;
  color: var(--accent);
}

.why-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-on-dark);
  margin: 0;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.55;
}

/* ── Pain Block — Editorial 2×2 ─────────────────── */
.pain-block {
  background: var(--bg-deep);
  padding: 100px 0;
}

.pain-header {
  max-width: 680px;
  margin-bottom: 56px;
}

.pain-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}

.pain-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--text-on-dark);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0;
}

.pain-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.pain-row {
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  padding: 40px 40px 44px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease;
  cursor: default;
}

.pain-row:nth-child(1) { border-radius: 20px 0 0 0; }
.pain-row:nth-child(2) { border-radius: 0 20px 0 0; }
.pain-row:nth-child(3) { border-radius: 0 0 0 20px; }
.pain-row:nth-child(4) { border-radius: 0 0 20px 0; }

.pain-row:hover {
  border-color: rgba(0, 199, 209, 0.25);
  z-index: 1;
}

.pain-row:hover .pain-num {
  -webkit-text-stroke-color: rgba(0, 199, 209, 0.35);
}

.pain-num {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 7vw, 7rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1);
  letter-spacing: -0.05em;
  line-height: 1;
  transition: -webkit-text-stroke-color 0.3s ease;
  user-select: none;
}

.pain-divider { display: none; }

.pain-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.pain-question {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.25;
}

.pain-answer {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 768px) {
  .pain-block { padding: 64px 0; }
  .pain-header { margin-bottom: 40px; }
  .pain-row { padding: 28px 28px 32px; }
  .pain-num { font-size: 3.5rem; }
}

@media (max-width: 480px) {
  .pain-list { grid-template-columns: 1fr; gap: 2px; }
  .pain-row:nth-child(1) { border-radius: 20px 20px 0 0; }
  .pain-row:nth-child(2) { border-radius: 0; }
  .pain-row:nth-child(3) { border-radius: 0; }
  .pain-row:nth-child(4) { border-radius: 0 0 20px 20px; }
}

/* ── Use Cases Section ───────────────────────────── */
.use-cases-section {
  background: var(--bg-deep);
  padding: 80px 0;
}

.use-cases-header {
  margin-bottom: 48px;
}

.use-cases-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 12px 0 0;
}

/* ── Use Cases Bento ─────────────────────────────── */
.use-cases-section {
  background: var(--bg-deep);
  padding: 80px 0;
}

.use-cases-header {
  margin-bottom: 48px;
}

.use-cases-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 12px 0 0;
}

/* Сітка: ліворуч 1 велика, праворуч колонка з 3 */
.use-cases-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: 200px 200px 200px;
  gap: 16px;
  margin-bottom: 40px;
}

/* Велика карта — займає всі 3 рядки */
.use-case-card:nth-child(1) {
  grid-row: 1 / 4;
}

/* Решта — по одному рядку праворуч */
.use-case-card:nth-child(2) { grid-column: 2; grid-row: 1; }
.use-case-card:nth-child(3) { grid-column: 2; grid-row: 2; }
.use-case-card:nth-child(4) { grid-column: 2; grid-row: 3; }

.use-case-card {
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.use-case-card:hover {
  border-color: rgba(0, 199, 209, 0.35);
  transform: translateY(-3px);
}

.use-case-img-wrap {
  position: absolute;
  inset: 0;
}

.use-case-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.use-case-card:hover .use-case-img {
  transform: scale(1.04);
}

.use-case-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(5, 5, 7, 0.92) 0%,
    rgba(5, 5, 7, 0.35) 45%,
    transparent 100%
  );
  z-index: 1;
  pointer-events: none;
}

.use-case-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 24px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.use-case-label {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: -0.01em;
}

.use-case-card:nth-child(1) .use-case-label {
  font-size: 1.5rem;
}

.use-case-card:nth-child(1) .use-case-body {
  padding: 28px 32px;
}

.use-case-text {
  font-size: 0.875rem;
  color: rgba(245, 245, 247, 0.6);
  line-height: 1.5;
  margin: 0;
}

.use-cases-cta {
  text-align: center;
  margin-top: 40px;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .use-cases-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 260px 180px;
    gap: 12px;
  }

  .use-case-card:nth-child(1) {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .use-case-card:nth-child(2) { grid-column: 2; grid-row: 1; }
  .use-case-card:nth-child(3) { grid-column: 2; grid-row: 2; }

  .use-case-card:nth-child(4) {
    grid-column: 1 / 3;
    grid-row: 3;
    min-height: 160px;
  }
}

@media (max-width: 480px) {
  .use-cases-section { padding: 56px 0; }
  .use-cases-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 10px;
  }
  .use-case-card,
  .use-case-card:nth-child(1),
  .use-case-card:nth-child(2),
  .use-case-card:nth-child(3),
  .use-case-card:nth-child(4) {
    grid-column: auto;
    grid-row: auto;
    min-height: 220px;
  }
  .use-case-card:nth-child(1) {
    min-height: 280px;
  }
  .use-case-card:nth-child(1) .use-case-label {
    font-size: 1.1rem;
  }
}

/* ── Features Strip ──────────────────────────────── */
.features-strip {
  background: var(--bg-card-dark);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 80px 0;
}

.features-strip-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.features-strip-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 12px 0 0;
}

.features-strip-right {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 14px;
  transition: background 0.2s ease;
  cursor: default;
}

.feature-item:hover {
  background: rgba(0, 199, 209, 0.05);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 199, 209, 0.08);
  border-radius: 10px;
  color: var(--accent);
  flex-shrink: 0;
  transition: background 0.2s ease;
}

.feature-item:hover .feature-icon {
  background: rgba(0, 199, 209, 0.15);
}

.feature-item span:last-child {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-on-dark);
  line-height: 1.4;
}

@media (max-width: 768px) {
  .features-strip-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .features-strip { padding: 56px 0; }
}