/* ═══════════════════════════════════════════════════════════════
   SOLUTIONS PAGE — SDT Solution
   Shares design language with About page.
   Prefix: sl-
   ═══════════════════════════════════════════════════════════════ */

/* ── Design tokens (mirrored from about.css) ── */
:root {
  --sl-primary: #ea740c;
  --sl-primary-light: rgba(234, 116, 12, 0.1);
  --sl-secondary: #1e3a5f;
  --sl-secondary-light: rgba(30, 58, 95, 0.1);
  --sl-accent: #10b981;
  --sl-accent-light: rgba(16, 185, 129, 0.12);
  --sl-on-surface: #0f172a;
  --sl-on-surface-variant: #475569;
  --sl-surface: #f8fafc;
  --sl-white: #ffffff;
  --sl-font-base: 'Inter', 'Poppins', sans-serif;
  --sl-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --sl-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --sl-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --sl-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --sl-shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
  --sl-shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --sl-shadow-xl: 0 24px 56px rgba(15, 23, 42, 0.16);
  --sl-r-sm: 8px;
  --sl-r-md: 12px;
  --sl-r-lg: 16px;
  --sl-r-xl: 24px;
  --sl-r-2xl: 32px;
  --sl-delay: 0s;
  --gradient-warm: linear-gradient(135deg, #ff9a3c 0%, #ea740c 50%, #d46500 100%);
}

/* ── Scroll animations ── */
[data-sl-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--sl-ease-out), transform 0.7s var(--sl-ease-out);
  transition-delay: var(--sl-delay, 0s);
}
[data-sl-animate="fadeInLeft"] { transform: translateX(-40px); }
[data-sl-animate="fadeInRight"] { transform: translateX(40px); }
[data-sl-animate="fadeInUp"] { transform: translateY(28px); }
[data-sl-animate="scaleIn"] { transform: scale(0.9); }
[data-sl-animate].sl-visible {
  opacity: 1;
  transform: none;
}

/* ── Shared section header ── */
.sl-section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--sl-font-base);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sl-primary);
  margin-bottom: 1.4rem;
}
.sl-section-eyebrow::before,
.sl-section-eyebrow::after {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--sl-primary);
  border-radius: 2px;
  display: inline-block;
}
.sl-section-title {
  font-family: var(--sl-font-base);
  font-size: clamp(2.8rem, 4vw, 4.4rem);
  font-weight: 800;
  color: var(--sl-on-surface);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}
.sl-section-title span { color: var(--sl-primary); }
.sl-section-desc {
  font-family: var(--sl-font-base);
  font-size: 1.7rem;
  color: var(--sl-on-surface-variant);
  line-height: 1.75;
  max-width: 600px;
}
.sl-section-header { margin-bottom: 6rem; }
.sl-section-header--center { text-align: center; }
.sl-section-header--center .sl-section-eyebrow { justify-content: center; }
.sl-section-header--center .sl-section-desc { margin: 0 auto; }

/* ═══════════════════════════════════════════════════════════════
   1. HERO
   ═══════════════════════════════════════════════════════════════ */
.sl-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Dark gradient background */
.sl-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.sl-hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.06);
  animation: sl-hero-parallax 20s ease-in-out infinite alternate;
}
@keyframes sl-hero-parallax {
  from { transform: scale(1.06) translateX(-2%); }
  to   { transform: scale(1.06) translateX(2%); }
}
.sl-hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.88) 0%,
    rgba(30, 58, 95, 0.78) 50%,
    rgba(15, 23, 42, 0.72) 100%
  );
}

/* Orbs */
.sl-hero__orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: sl-orb-float 10s ease-in-out infinite alternate;
}
.sl-hero__orb--1 {
  width: 600px; height: 600px;
  top: -150px; right: -100px;
  background: radial-gradient(circle, rgba(234, 116, 12, 0.3), transparent 70%);
  animation-duration: 14s;
}
.sl-hero__orb--2 {
  width: 400px; height: 400px;
  bottom: -80px; left: -80px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.18), transparent 70%);
  animation-duration: 11s;
  animation-direction: alternate-reverse;
}
.sl-hero__orb--3 {
  width: 280px; height: 280px;
  top: 40%; right: 15%;
  background: radial-gradient(circle, rgba(255, 154, 60, 0.15), transparent 70%);
  animation-duration: 9s;
}
@keyframes sl-orb-float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(24px, -20px) scale(1.08); }
}

/* Grid particles */
.sl-hero__grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.sl-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 14rem;
  padding-bottom: 8rem;
}

.sl-hero__content {
  max-width: 780px;
}

.sl-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: rgba(234, 116, 12, 0.12);
  border: 1px solid rgba(234, 116, 12, 0.3);
  border-radius: 999px;
  padding: 0.7rem 1.8rem;
  font-family: var(--sl-font-base);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sl-primary);
  margin-bottom: 2.4rem;
}
.sl-hero__eyebrow i { font-size: 0.9em; }

.sl-hero__title {
  font-family: var(--sl-font-base);
  font-size: clamp(4rem, 6vw, 7.2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.07;
  letter-spacing: -0.03em;
  margin-bottom: 2.4rem;
}
.sl-hero__title .sl-highlight {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
}

.sl-hero__desc {
  font-family: var(--sl-font-base);
  font-size: 1.9rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.72;
  margin-bottom: 3.6rem;
  max-width: 640px;
}

.sl-hero__actions {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 5.6rem;
}

.sl-hero__btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.4rem 3rem;
  background: var(--gradient-warm);
  color: #fff;
  font-family: var(--sl-font-base);
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--sl-ease-spring) 0.4s;
  box-shadow: 0 8px 32px rgba(234, 116, 12, 0.35);
}
.sl-hero__btn-primary:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 16px 48px rgba(234, 116, 12, 0.5);
  color: #fff;
}

.sl-hero__btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.3rem 2.6rem;
  color: rgba(255,255,255,0.9);
  font-family: var(--sl-font-base);
  font-size: 1.5rem;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  text-decoration: none;
  transition: all var(--sl-ease) 0.3s;
  cursor: pointer;
}
.sl-hero__btn-secondary:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}

/* Hero stats row */
.sl-hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
}
.sl-hero__stat {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--sl-r-md);
  padding: 2rem 1.6rem;
  text-align: center;
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
  transition: all var(--sl-ease-spring) 0.4s;
}
.sl-hero__stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-warm);
  transform: scaleX(0);
  transition: transform var(--sl-ease) 0.35s;
}
.sl-hero__stat:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(234,116,12,0.3);
  transform: translateY(-5px);
}
.sl-hero__stat:hover::before { transform: scaleX(1); }
.sl-hero__stat-number {
  display: block;
  font-family: var(--sl-font-base);
  font-size: 3.6rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.6rem;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sl-count { display: inline-block; }
.sl-hero__stat-label {
  font-family: var(--sl-font-base);
  font-size: 1.3rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.4;
}

/* Scroll indicator */
.sl-hero__scroll {
  position: absolute;
  bottom: 3.6rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  animation: sl-scroll-bounce 2s ease-in-out infinite;
  z-index: 3;
}
.sl-hero__scroll span {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.5);
  font-family: var(--sl-font-base);
  letter-spacing: 0.08em;
}
.sl-hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, transparent 100%);
  animation: sl-scroll-line 2s ease-in-out infinite;
}
@keyframes sl-scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}
@keyframes sl-scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ═══════════════════════════════════════════════════════════════
   2. CHALLENGE (Why Choose section - dark)
   ═══════════════════════════════════════════════════════════════ */
.sl-challenge {
  background: linear-gradient(160deg, var(--sl-secondary) 0%, color-mix(in srgb, var(--sl-secondary) 80%, #000) 100%);
  padding: 10rem 0;
  position: relative;
  overflow: hidden;
}
.sl-challenge::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 60%; height: 180%;
  background: radial-gradient(ellipse, rgba(234,116,12,0.15), transparent 65%);
  pointer-events: none;
}
.sl-challenge__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8rem;
  align-items: center;
}
.sl-challenge__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--sl-font-base);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sl-primary);
  margin-bottom: 1.4rem;
}
.sl-challenge__eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--sl-primary);
  border-radius: 2px;
}
.sl-challenge__title {
  font-family: var(--sl-font-base);
  font-size: clamp(2.8rem, 4vw, 4.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.8rem;
}
.sl-challenge__title span { color: var(--sl-primary); }
.sl-challenge__desc {
  font-family: var(--sl-font-base);
  font-size: 1.6rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  margin-bottom: 3.2rem;
}
.sl-challenge__points {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.sl-challenge__point {
  display: flex;
  align-items: flex-start;
  gap: 1.4rem;
  padding: 1.6rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--sl-r-md);
  transition: all var(--sl-ease) 0.3s;
}
.sl-challenge__point:hover {
  background: rgba(234,116,12,0.08);
  border-color: rgba(234,116,12,0.2);
  transform: translateX(6px);
}
.sl-challenge__point-icon {
  width: 44px; height: 44px;
  background: var(--sl-primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sl-primary);
  font-size: 1.8rem;
  flex: 0 0 auto;
  transition: transform var(--sl-ease-spring) 0.4s;
}
.sl-challenge__point:hover .sl-challenge__point-icon {
  transform: scale(1.12) rotate(5deg);
}
.sl-challenge__point-text strong {
  display: block;
  font-family: var(--sl-font-base);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.3rem;
}
.sl-challenge__point-text span {
  font-family: var(--sl-font-base);
  font-size: 1.4rem;
  color: rgba(255,255,255,0.55);
}

/* Right: visual metrics */
.sl-challenge__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
}
.sl-challenge__metric {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--sl-r-lg);
  padding: 2.4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--sl-ease-spring) 0.4s;
}
.sl-challenge__metric:hover {
  background: rgba(255,255,255,0.09);
  transform: translateY(-6px);
  box-shadow: var(--sl-shadow-lg);
}
.sl-challenge__metric::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-warm);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--sl-ease) 0.45s;
}
.sl-challenge__metric:hover::after { transform: scaleX(1); }
.sl-challenge__metric-num {
  display: block;
  font-family: var(--sl-font-base);
  font-size: 4rem;
  font-weight: 900;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.8rem;
}
.sl-challenge__metric-label {
  font-family: var(--sl-font-base);
  font-size: 1.35rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.45;
}

/* ═══════════════════════════════════════════════════════════════
   3. SOLUTIONS GRID (Products)
   ═══════════════════════════════════════════════════════════════ */
.sl-products {
  padding: 10rem 0;
  background: var(--sl-surface);
  position: relative;
}
.sl-products::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(234,116,12,0.2), transparent);
}

.sl-products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.4rem;
}

/* Product card */
.sl-prod-card {
  background: var(--sl-white);
  border-radius: var(--sl-r-xl);
  overflow: hidden;
  box-shadow: var(--sl-shadow-sm);
  border: 1px solid rgba(30,58,95,0.07);
  transition: all var(--sl-ease-spring) 0.45s;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
}
.sl-prod-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--sl-shadow-xl);
  border-color: transparent;
}
.sl-prod-card--reverse { direction: rtl; }
.sl-prod-card--reverse > * { direction: ltr; }

/* Card media */
.sl-prod-card__media {
  position: relative;
  overflow: hidden;
  min-height: 320px;
  cursor: pointer;
}
.sl-prod-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--sl-ease);
}
.sl-prod-card:hover .sl-prod-card__img { transform: scale(1.08); }
.sl-prod-card__media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.4) 0%, transparent 60%);
}
.sl-prod-card__badge {
  position: absolute;
  top: 1.6rem; left: 1.6rem;
  background: var(--sl-primary);
  color: #fff;
  font-family: var(--sl-font-base);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.4rem 1.2rem;
  border-radius: 999px;
}
.sl-prod-card__video-btn {
  position: absolute;
  bottom: 1.6rem; right: 1.6rem;
  width: 52px; height: 52px;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: all var(--sl-ease-spring) 0.4s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.sl-prod-card__video-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 8px 32px rgba(234,116,12,0.4);
}
.sl-prod-card__video-btn i { color: var(--sl-primary); font-size: 1.7rem; margin-left: 3px; }

/* Card body */
.sl-prod-card__body {
  padding: 3.2rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.sl-prod-card__icon-row {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-bottom: 1.6rem;
}
.sl-prod-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--sl-r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex: 0 0 auto;
  transition: transform var(--sl-ease-spring) 0.4s;
}
.sl-prod-card:hover .sl-prod-card__icon { transform: scale(1.12) rotate(5deg); }
.sl-prod-card__icon--vision   { background: var(--sl-primary-light); color: var(--sl-primary); }
.sl-prod-card__icon--agent    { background: var(--sl-accent-light); color: var(--sl-accent); }
.sl-prod-card__icon--hardware { background: color-mix(in srgb, #8b5cf6 12%, transparent); color: #8b5cf6; }
.sl-prod-card__icon--cloud    { background: var(--sl-secondary-light); color: var(--sl-secondary); }

.sl-prod-card__title {
  font-family: var(--sl-font-base);
  font-size: 2rem;
  font-weight: 800;
  color: var(--sl-on-surface);
  letter-spacing: -0.01em;
}
.sl-prod-card__desc {
  font-family: var(--sl-font-base);
  font-size: 1.45rem;
  color: var(--sl-on-surface-variant);
  line-height: 1.72;
  margin-bottom: 2rem;
}
.sl-prod-card__features {
  list-style: none;
  padding: 0; margin: 0 0 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.sl-prod-card__features li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.4rem;
  color: var(--sl-on-surface-variant);
}
.sl-prod-card__features li::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--sl-primary);
  flex: 0 0 auto;
}
.sl-prod-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--sl-font-base);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--sl-secondary);
  text-decoration: none;
  margin-top: auto;
  transition: gap var(--sl-ease) 0.25s;
}
.sl-prod-card__cta:hover { gap: 1.4rem; color: var(--sl-primary); }

/* ═══════════════════════════════════════════════════════════════
   4. HOW IT WORKS — Process steps
   ═══════════════════════════════════════════════════════════════ */
.sl-process {
  padding: 10rem 0;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.sl-process::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40%; height: 100%;
  background: radial-gradient(ellipse at right, rgba(234,116,12,0.06), transparent 65%);
  pointer-events: none;
}

.sl-process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}
.sl-process__steps::before {
  content: '';
  position: absolute;
  top: 3.6rem;
  left: calc(12.5% + 2rem);
  right: calc(12.5% + 2rem);
  height: 2px;
  background: linear-gradient(90deg, rgba(234,116,12,0.6), rgba(30,58,95,0.4), rgba(234,116,12,0.6));
  z-index: 0;
}

.sl-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}
.sl-step__num {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--sl-white);
  border: 3px solid var(--sl-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sl-font-base);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--sl-primary);
  margin-bottom: 2.4rem;
  box-shadow: 0 0 0 8px rgba(234,116,12,0.08);
  transition: all var(--sl-ease-spring) 0.4s;
  position: relative;
}
.sl-step:hover .sl-step__num {
  background: var(--gradient-warm);
  color: #fff;
  border-color: transparent;
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(234,116,12,0.35);
}
.sl-step__icon {
  position: absolute;
  bottom: -8px; right: -8px;
  width: 28px; height: 28px;
  background: var(--sl-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  border: 2px solid #fff;
}
.sl-step__title {
  font-family: var(--sl-font-base);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--sl-on-surface);
  margin-bottom: 0.8rem;
}
.sl-step__desc {
  font-family: var(--sl-font-base);
  font-size: 1.4rem;
  color: var(--sl-on-surface-variant);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════════════
   5. FEATURES — Impact grid (alternating)
   ═══════════════════════════════════════════════════════════════ */
.sl-impact {
  padding: 10rem 0;
  background: var(--sl-surface);
}
.sl-impact__list {
  display: flex;
  flex-direction: column;
  gap: 8rem;
}
.sl-impact__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8rem;
  align-items: center;
}
.sl-impact__item--reverse .sl-impact__visual { order: -1; }

.sl-impact__visual {
  position: relative;
  border-radius: var(--sl-r-2xl);
  overflow: hidden;
  box-shadow: var(--sl-shadow-xl);
}
.sl-impact__img {
  width: 100%; height: 380px;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--sl-ease);
}
.sl-impact__item:hover .sl-impact__img { transform: scale(1.04); }
.sl-impact__visual-badge {
  position: absolute;
  bottom: 2rem; left: 2rem;
  background: rgba(255,255,255,0.95);
  border-radius: var(--sl-r-md);
  padding: 1.2rem 1.8rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--sl-shadow-md);
  backdrop-filter: blur(8px);
}
.sl-impact__visual-badge-icon {
  width: 40px; height: 40px;
  background: var(--sl-primary-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sl-primary);
  font-size: 1.6rem;
  flex: 0 0 auto;
}
.sl-impact__visual-badge strong {
  display: block;
  font-family: var(--sl-font-base);
  font-size: 2rem;
  font-weight: 900;
  color: var(--sl-on-surface);
  line-height: 1;
}
.sl-impact__visual-badge span {
  font-family: var(--sl-font-base);
  font-size: 1.2rem;
  color: var(--sl-on-surface-variant);
}

.sl-impact__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--sl-font-base);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sl-primary);
  margin-bottom: 1.4rem;
}
.sl-impact__eyebrow::before {
  content: '';
  width: 20px; height: 2px;
  background: var(--sl-primary);
  border-radius: 2px;
}
.sl-impact__title {
  font-family: var(--sl-font-base);
  font-size: clamp(2.6rem, 3.5vw, 3.8rem);
  font-weight: 800;
  color: var(--sl-on-surface);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 1.6rem;
}
.sl-impact__title span { color: var(--sl-primary); }
.sl-impact__desc {
  font-family: var(--sl-font-base);
  font-size: 1.55rem;
  color: var(--sl-on-surface-variant);
  line-height: 1.75;
  margin-bottom: 2.4rem;
}
.sl-impact__list-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2.8rem;
}
.sl-impact__list-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--sl-font-base);
  font-size: 1.4rem;
  color: var(--sl-on-surface-variant);
}
.sl-impact__list-item i {
  color: var(--sl-accent);
  font-size: 1.2rem;
  flex: 0 0 auto;
}
.sl-impact__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.2rem 2.6rem;
  background: var(--gradient-warm);
  color: #fff;
  font-family: var(--sl-font-base);
  font-size: 1.45rem;
  font-weight: 700;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--sl-ease-spring) 0.4s;
  box-shadow: 0 6px 24px rgba(234,116,12,0.3);
}
.sl-impact__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(234,116,12,0.42);
  color: #fff;
}

/* ═══════════════════════════════════════════════════════════════
   6. PARTNERS / TECH STACK ribbon
   ═══════════════════════════════════════════════════════════════ */
.sl-tech {
  padding: 7rem 0;
  background: var(--sl-white);
  border-top: 1px solid rgba(30,58,95,0.07);
  border-bottom: 1px solid rgba(30,58,95,0.07);
}
.sl-tech__label {
  font-family: var(--sl-font-base);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sl-on-surface-variant);
  text-align: center;
  margin-bottom: 3.2rem;
}
.sl-tech__track-wrap {
  overflow: hidden;
  position: relative;
}
.sl-tech__track-wrap::before,
.sl-tech__track-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 1;
  pointer-events: none;
}
.sl-tech__track-wrap::before {
  left: 0;
  background: linear-gradient(90deg, #fff, transparent);
}
.sl-tech__track-wrap::after {
  right: 0;
  background: linear-gradient(270deg, #fff, transparent);
}
.sl-tech__track {
  display: flex;
  gap: 5.6rem;
  align-items: center;
  width: max-content;
  animation: sl-tech-scroll 28s linear infinite;
}
.sl-tech__track:hover { animation-play-state: paused; }
.sl-tech__logo {
  height: 36px;
  width: auto;
  filter: grayscale(1) opacity(0.45);
  transition: filter var(--sl-ease) 0.35s;
  flex: 0 0 auto;
}
.sl-tech__logo:hover { filter: grayscale(0) opacity(1); }
@keyframes sl-tech-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Tech cards (text logos fallback) */
.sl-tech__items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}
.sl-tech__item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  background: var(--sl-surface);
  border: 1px solid rgba(30,58,95,0.1);
  border-radius: var(--sl-r-sm);
  font-family: var(--sl-font-base);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--sl-on-surface-variant);
  transition: all var(--sl-ease) 0.3s;
}
.sl-tech__item:hover {
  border-color: var(--sl-primary);
  color: var(--sl-primary);
  background: var(--sl-primary-light);
  transform: translateY(-3px);
}
.sl-tech__item i { font-size: 1.6rem; }

/* ═══════════════════════════════════════════════════════════════
   7. TESTIMONIALS
   ═══════════════════════════════════════════════════════════════ */
.sl-testimonials {
  padding: 10rem 0;
  background: var(--sl-surface);
}
.sl-testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
}
.sl-testimonial-card {
  background: var(--sl-white);
  border-radius: var(--sl-r-xl);
  padding: 3.2rem 2.8rem;
  box-shadow: var(--sl-shadow-sm);
  border: 1px solid rgba(30,58,95,0.07);
  transition: all var(--sl-ease-spring) 0.45s;
  position: relative;
  overflow: hidden;
}
.sl-testimonial-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-warm);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--sl-ease) 0.4s;
}
.sl-testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--sl-shadow-lg);
}
.sl-testimonial-card:hover::before { transform: scaleX(1); }
.sl-testimonial-card__quote {
  font-size: 4.8rem;
  line-height: 1;
  color: var(--sl-primary);
  opacity: 0.3;
  font-family: serif;
  margin-bottom: 1.2rem;
}
.sl-testimonial-card__text {
  font-family: var(--sl-font-base);
  font-size: 1.5rem;
  color: var(--sl-on-surface-variant);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 2.4rem;
}
.sl-testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.sl-testimonial-card__avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--sl-font-base);
  font-size: 1.8rem;
  font-weight: 800;
  flex: 0 0 auto;
}
.sl-testimonial-card__author-name {
  display: block;
  font-family: var(--sl-font-base);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sl-on-surface);
}
.sl-testimonial-card__author-role {
  display: block;
  font-family: var(--sl-font-base);
  font-size: 1.25rem;
  color: var(--sl-on-surface-variant);
}
.sl-testimonial-card__stars {
  display: flex;
  gap: 0.3rem;
  color: #f59e0b;
  font-size: 1.3rem;
  margin-bottom: 1.2rem;
}

/* ═══════════════════════════════════════════════════════════════
   8. CTA BANNER
   ═══════════════════════════════════════════════════════════════ */
.sl-cta {
  padding: 10rem 0;
  background: linear-gradient(135deg, var(--sl-secondary) 0%, color-mix(in srgb, var(--sl-secondary) 60%, var(--sl-primary)) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.sl-cta::before {
  content: '';
  position: absolute;
  top: -50%; left: -10%;
  width: 50%; height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.08), transparent 65%);
}
.sl-cta::after {
  content: '';
  position: absolute;
  bottom: -40%; right: -5%;
  width: 40%; height: 120%;
  background: radial-gradient(ellipse, rgba(234,116,12,0.15), transparent 65%);
}
.sl-cta__inner { position: relative; z-index: 1; }
.sl-cta__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: rgba(234,116,12,0.15);
  border: 1px solid rgba(234,116,12,0.3);
  color: var(--sl-primary);
  font-family: var(--sl-font-base);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.6rem 1.6rem;
  border-radius: 999px;
  margin-bottom: 2.4rem;
}
.sl-cta__title {
  font-family: var(--sl-font-base);
  font-size: clamp(3rem, 4.5vw, 5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.13;
  letter-spacing: -0.02em;
  margin-bottom: 1.6rem;
}
.sl-cta__title span { color: var(--sl-primary); }
.sl-cta__desc {
  font-family: var(--sl-font-base);
  font-size: 1.8rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.65;
  margin: 0 auto 4rem;
  max-width: 640px;
}
.sl-cta__actions {
  display: flex;
  gap: 1.6rem;
  justify-content: center;
  flex-wrap: wrap;
}
.sl-cta__btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.5rem 3.2rem;
  background: #fff;
  color: var(--sl-secondary);
  font-family: var(--sl-font-base);
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 999px;
  text-decoration: none;
  transition: all var(--sl-ease-spring) 0.4s;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.sl-cta__btn-primary:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
  color: var(--sl-primary);
}
.sl-cta__btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.4rem 2.8rem;
  border: 2px solid rgba(255,255,255,0.5);
  color: #fff;
  font-family: var(--sl-font-base);
  font-size: 1.5rem;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  transition: all var(--sl-ease) 0.3s;
}
.sl-cta__btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
  transform: translateY(-3px);
}

/* ═══════════════════════════════════════════════════════════════
   VIDEO MODAL (reuse from about pattern)
   ═══════════════════════════════════════════════════════════════ */
.sl-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--sl-ease) 0.35s;
}
.sl-modal.sl-modal--open { opacity: 1; pointer-events: all; }
.sl-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15,23,42,0.88);
  backdrop-filter: blur(8px);
}
.sl-modal__box {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 900px;
  aspect-ratio: 16/9;
  border-radius: var(--sl-r-xl);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5);
  transform: scale(0.88) translateY(30px);
  transition: transform var(--sl-ease-spring) 0.5s;
}
.sl-modal--open .sl-modal__box { transform: scale(1) translateY(0); }
.sl-modal__close {
  position: absolute;
  top: -1.2rem; right: -1.2rem;
  width: 44px; height: 44px;
  background: var(--sl-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  color: var(--sl-on-surface);
  font-size: 1.8rem;
  box-shadow: var(--sl-shadow-md);
  transition: all var(--sl-ease-spring) 0.3s;
  z-index: 10;
}
.sl-modal__close:hover { background: var(--sl-primary); color: #fff; transform: rotate(90deg) scale(1.1); }
.sl-modal__video { width: 100%; height: 100%; border: none; }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .sl-products__grid { grid-template-columns: 1fr; }
  .sl-prod-card { grid-template-columns: 1fr 1fr; }
  .sl-testimonial-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  .sl-challenge__grid { grid-template-columns: 1fr; gap: 5rem; }
  .sl-challenge__visual { grid-template-columns: repeat(2, 1fr); }
  .sl-process__steps { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
  .sl-process__steps::before { display: none; }
  .sl-impact__item { grid-template-columns: 1fr; gap: 4rem; }
  .sl-impact__item--reverse .sl-impact__visual { order: 0; }
  .sl-impact__list-items { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sl-hero__title { font-size: 4rem; }
  .sl-hero__inner { padding-top: 10rem; padding-bottom: 6rem; padding-inline: 1rem; }
  .sl-hero__stats { grid-template-columns: repeat(2, 1fr); }
  .sl-prod-card { grid-template-columns: 1fr; }
  .sl-prod-card__media { min-height: 240px; }
  .sl-prod-card--reverse { direction: ltr; }
  .sl-testimonial-grid { grid-template-columns: 1fr; }
  .sl-challenge__visual { grid-template-columns: 1fr 1fr; }
  .sl-impact__img { height: 260px; }
}
@media (max-width: 480px) {
  .sl-hero__stats { grid-template-columns: 1fr 1fr; }
  .sl-process__steps { grid-template-columns: 1fr; }
  .sl-challenge__visual { grid-template-columns: 1fr; }
  .sl-cta__actions { flex-direction: column; align-items: center; }
}