/* ============================================
   RAF IA Solutions — Main Stylesheet
   Complete component-level styles
   ============================================ */

/* ─── Base ────────────────────────────────── */
body {
  font-family: var(--font-base);
  font-size: var(--text-md);
  font-weight: var(--weight-regular);
  color: var(--gray-900);
  background-color: var(--white);
  line-height: var(--leading-relaxed);
}

/* ─── Utility ─────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}
@media (min-width: 1024px) {
  .container { padding-inline: var(--space-12); }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-5);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--gray-400);
}

/* Animation base states */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration-slowest) var(--ease-out),
              transform var(--duration-slowest) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity var(--duration-slowest) var(--ease-out),
              transform var(--duration-slowest) var(--ease-out);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition: opacity var(--duration-slowest) var(--ease-out),
              transform var(--duration-slowest) var(--ease-out);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ─── Navigation ──────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  transition: background var(--duration-slow) var(--ease-out),
              box-shadow var(--duration-slow) var(--ease-out),
              backdrop-filter var(--duration-slow) var(--ease-out);
}

.nav.scrolled {
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), var(--shadow-lg);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (min-width: 768px) {
  .nav__inner { padding-inline: var(--space-8); }
}
@media (min-width: 1024px) {
  .nav__inner { padding-inline: var(--space-12); }
}

.nav__logo {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--white);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav__logo-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--accent);
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .nav__links { display: flex; }
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.65);
  transition: color var(--duration-base) var(--ease-out);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--duration-base) var(--ease-out);
}

.nav__link:hover {
  color: var(--white);
}
.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  display: none;
}

@media (min-width: 768px) {
  .nav__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    background: var(--accent);
    color: var(--white);
    transition: background var(--duration-base) var(--ease-out),
                box-shadow var(--duration-base) var(--ease-out),
                transform var(--duration-fast) var(--ease-out);
  }
  .nav__cta:hover {
    background: var(--accent-dark);
    box-shadow: var(--shadow-accent);
    transform: translateY(-1px);
  }
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: var(--space-2);
}

@media (min-width: 1024px) {
  .nav__hamburger { display: none; }
}

.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
  transform-origin: center;
}

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

/* Mobile Menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  background: rgba(8, 8, 8, 0.98);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  z-index: calc(var(--z-nav) - 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.nav__mobile-menu.open {
  display: flex;
  opacity: 1;
}

.nav__mobile-link {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: rgba(255,255,255,0.8);
  transition: color var(--duration-base) var(--ease-out);
}
.nav__mobile-link:hover {
  color: var(--white);
}

.nav__mobile-cta {
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  background: var(--accent);
  color: var(--white);
  transition: background var(--duration-base), box-shadow var(--duration-base);
}
.nav__mobile-cta:hover {
  background: var(--accent-dark);
  box-shadow: var(--shadow-accent);
}

/* ─── Hero ────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background-color: var(--gray-950);
  overflow: hidden;
  padding-top: var(--nav-height);
}

/* Subtle gradient orbs */
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero__orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(120px);
  opacity: 0.18;
}

.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: -200px;
  left: -100px;
  animation: orbFloat1 12s ease-in-out infinite;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: #7DD3FC;
  bottom: -100px;
  right: -50px;
  animation: orbFloat2 15s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(40px, -30px) scale(1.05); }
  66%       { transform: translate(-20px, 20px) scale(0.97); }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-30px, -40px) scale(1.08); }
}

/* Noise texture overlay */
.hero__noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  text-align: center;
  gap: var(--space-16);
  align-items: center;
  width: 100%;
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--space-6);
  padding-block: var(--space-24);
}

@media (min-width: 768px) {
  .hero__inner { padding-inline: var(--space-8); }
}
@media (min-width: 1024px) {
  .hero__inner {
    padding-inline: var(--space-12);
    padding-block: var(--space-32);
  }
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: var(--border-light);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(12px);
  margin-bottom: var(--space-8);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.60);
  letter-spacing: var(--tracking-wide);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow-sm);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(56,189,248,0.15); }
  50%       { box-shadow: 0 0 0 6px rgba(56,189,248,0.06); }
}

.hero__headline {
  font-size: clamp(2.5rem, 5.5vw, 5rem);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--white);
  margin-bottom: var(--space-6);
}

.hero__headline em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent-lighter) 0%, var(--accent) 50%, var(--accent-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subheadline {
  font-size: clamp(var(--text-base), 1.8vw, var(--text-lg));
  color: rgba(255,255,255,0.55);
  line-height: var(--leading-relaxed);
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
  border-radius: inherit;
}

.btn:hover::before { opacity: 1; }

.btn--primary {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  background: var(--accent);
  color: var(--white);
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 48px rgba(56,189,248,0.40);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--secondary {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  color: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(12px);
}

.btn--secondary:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

.btn--ghost {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}
.btn--ghost:hover {
  color: var(--black);
  border-color: var(--gray-600);
  transform: translateY(-1px);
}

.btn--dark {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  background: var(--gray-900);
  color: var(--white);
}
.btn--dark:hover {
  background: var(--black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--large {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

/* ─── Section Styles ──────────────────────── */
.section {
  padding-block: var(--space-24);
}

.section--dark {
  background: var(--gray-950);
  color: var(--white);
}

.section--darker {
  background: var(--gray-900);
  color: var(--white);
}

.section--light {
  background: var(--gray-50);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--gray-900);
  margin-bottom: var(--space-5);
}

.section--dark .section__title,
.section--darker .section__title {
  color: var(--white);
}

.section__subtitle {
  font-size: var(--text-md);
  color: var(--gray-500);
  line-height: var(--leading-relaxed);
}

.section--dark .section__subtitle,
.section--darker .section__subtitle {
  color: rgba(255,255,255,0.50);
}

/* ─── Problem ─────────────────────────────── */
.problem__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-16);
}

@media (min-width: 768px) {
  .problem__grid { grid-template-columns: repeat(3, 1fr); }
}

.problem__card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: var(--border-light);
  background: rgba(255,255,255,0.03);
  position: relative;
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}

.problem__card:hover {
  border-color: rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  transform: translateY(-4px);
}

.problem__card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(56,189,248,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  transition: background var(--duration-base) var(--ease-out);
}

.problem__card:hover .problem__card-icon {
  background: rgba(56,189,248,0.20);
}

.problem__card-icon svg {
  width: 22px;
  height: 22px;
  color: var(--accent-lighter);
}

.problem__card-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--white);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.problem__card-text {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.45);
  line-height: var(--leading-relaxed);
}

/* ─── Benefits ────────────────────────────── */
.benefits__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .benefits__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .benefits__grid { grid-template-columns: repeat(4, 1fr); }
}

.benefit-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: var(--border-light);
  background: rgba(255,255,255,0.03);
  transition: background var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

.benefit-card:hover {
  background: rgba(255,255,255,0.05);
  transform: translateY(-6px);
  border-color: rgba(56,189,248,0.20);
}

.benefit-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(56,189,248,0.10) 0%, rgba(129,140,248,0.06) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  transition: background var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-spring);
}

.benefit-card:hover .benefit-card__icon {
  background: linear-gradient(135deg, rgba(56,189,248,0.18) 0%, rgba(129,140,248,0.12) 100%);
  transform: scale(1.08) rotate(-3deg);
}

.benefit-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.benefit-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--white);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.benefit-card__text {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  line-height: var(--leading-relaxed);
}

/* ─── Services ────────────────────────────── */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .services__grid .service-card:first-child {
    grid-column: span 2;
  }
}

.service-card {
  padding: var(--space-8) var(--space-8) var(--space-10);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.03);
  border: var(--border-light);
  position: relative;
  overflow: hidden;
  cursor: default;
  transition: background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.service-card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(56,189,248,0.20);
  transform: translateY(-4px);
}

.service-card:hover::after {
  opacity: 1;
}

.service-card__number {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  color: var(--accent);
  margin-bottom: var(--space-5);
}

.service-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--white);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.service-card__text {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.45);
  line-height: var(--leading-relaxed);
  max-width: 420px;
}

.service-card__tag {
  margin-top: var(--space-6);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: rgba(56,189,248,0.10);
  border: 1px solid rgba(56,189,248,0.20);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--accent-lighter);
}

/* ─── Portfolio (horizontal drag carousel) ─── */
.portfolio__grid {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  cursor: grab;
  padding-bottom: var(--space-4);
  margin-bottom: calc(-1 * var(--space-4));
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.16) transparent;
}

.portfolio__grid.is-dragging {
  cursor: grabbing;
  scroll-behavior: auto;
  scroll-snap-type: none;
}

/* Card width is a fraction of the track so exactly N cards ever sit in
   view, none half-cut at the edge — dragging snaps to the next whole set. */

.portfolio__grid::-webkit-scrollbar {
  height: 6px;
}

.portfolio__grid::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.16);
  border-radius: var(--radius-full);
}

.portfolio-card {
  flex: 0 0 100%;
  scroll-snap-align: start;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-900);
  border: var(--border-light);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-slow) var(--ease-out),
              border-color var(--duration-slow) var(--ease-out),
              box-shadow var(--duration-slow) var(--ease-out);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56,189,248,0.35);
  box-shadow: var(--shadow-xl);
}

@media (min-width: 640px) {
  .portfolio-card {
    flex-basis: calc((100% - var(--space-6)) / 2);
  }
}

@media (min-width: 1024px) {
  .portfolio-card {
    flex-basis: calc((100% - 2 * var(--space-6)) / 3);
  }
}

.portfolio-card--static {
  cursor: default;
}

.portfolio-card--static:hover {
  border-color: var(--border-light);
  box-shadow: none;
}

.portfolio-card__link-hint {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--accent-light);
}

.portfolio-card__link-hint--muted {
  color: var(--gray-500);
  font-weight: var(--weight-medium);
}

/* Browser-window chrome */
.portfolio-card__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  background: var(--gray-800);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.portfolio-card__bar span {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.16);
}

.portfolio-card__shot {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.portfolio-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform var(--duration-slowest) var(--ease-out);
}

.portfolio-card:hover .portfolio-card__image {
  transform: scale(1.04);
}

/* Hover description overlay (over the screenshot only) */
.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,6,0.94) 0%, rgba(6,6,6,0.45) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.portfolio-card:hover .portfolio-card__overlay {
  opacity: 1;
}

.portfolio-card__description {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.92);
  line-height: var(--leading-relaxed);
}

/* Caption below the window */
.portfolio-card__footer {
  padding: var(--space-5);
}

.portfolio-card__industry {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--accent-lighter);
  margin-bottom: var(--space-2);
}

.portfolio-card__name {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--white);
}

/* ─── Process ─────────────────────────────── */
.process__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
  margin-top: var(--space-4);
}

@media (min-width: 768px) {
  .process__steps {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-4);
  }

  .process__steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: calc(10% + 28px);
    right: calc(10% + 28px);
    height: 1px;
    background: linear-gradient(90deg, var(--accent), rgba(56,189,248,0.20));
  }
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
}

@media (min-width: 768px) {
  .process-step { align-items: center; text-align: center; }
}

.process-step__number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(56,189,248,0.25);
  background: rgba(56,189,248,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--accent);
  margin-bottom: var(--space-5);
  position: relative;
  z-index: 1;
  transition: background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-spring);
}

.process-step:hover .process-step__number {
  background: rgba(56,189,248,0.20);
  border-color: var(--accent);
  transform: scale(1.08);
}

.process-step__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--white);
  margin-bottom: var(--space-2);
}

.process-step__text {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.40);
  line-height: var(--leading-relaxed);
}

/* ─── FAQ ─────────────────────────────────── */
.faq__list {
  max-width: 780px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.faq-item:hover {
  border-color: rgba(56,189,248,0.18);
}

.faq-item.open {
  border-color: rgba(56,189,248,0.20);
  box-shadow: 0 4px 24px rgba(56,189,248,0.06);
}

.faq-item__trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-6) var(--space-6);
  background: none;
  cursor: pointer;
  text-align: left;
  gap: var(--space-4);
}

.faq-item__question {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--white);
  line-height: var(--leading-snug);
  transition: color var(--duration-base) var(--ease-out);
}

.faq-item.open .faq-item__question {
  color: var(--accent);
}

.faq-item__icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-spring);
}

.faq-item.open .faq-item__icon {
  background: var(--accent);
  transform: rotate(45deg);
}

.faq-item__icon svg {
  width: 14px;
  height: 14px;
  color: rgba(255,255,255,0.55);
  transition: color var(--duration-base) var(--ease-out);
}

.faq-item.open .faq-item__icon svg {
  color: var(--white);
}

.faq-item__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out),
              padding var(--duration-slow) var(--ease-out);
}

.faq-item.open .faq-item__body {
  /* max-height set dynamically by JS via scrollHeight */
  max-height: 500px;
}

.faq-item__answer {
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-base);
  color: rgba(255,255,255,0.45);
  line-height: var(--leading-relaxed);
}

/* ─── Final CTA ───────────────────────────── */
.final-cta {
  background: var(--gray-950);
  padding-block: var(--space-32);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.final-cta__bg-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: var(--radius-full);
  background: var(--accent);
  filter: blur(140px);
  opacity: 0.10;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.final-cta__inner {
  position: relative;
  z-index: 1;
}

.final-cta__headline {
  font-size: clamp(var(--text-3xl), 4.5vw, var(--text-6xl));
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--white);
  margin-bottom: var(--space-5);
  max-width: 800px;
  margin-inline: auto;
}

.final-cta__sub {
  font-size: var(--text-md);
  color: rgba(255,255,255,0.45);
  max-width: 500px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: var(--leading-relaxed);
}

.final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
}

.final-cta__divider {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.25);
}

/* ─── WhatsApp FAB ────────────────────────── */
.whatsapp-fab {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-fab);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(37,211,102,0.35), 0 2px 8px rgba(0,0,0,0.20);
  transition: transform var(--duration-base) var(--ease-spring),
              box-shadow var(--duration-base) var(--ease-out);
}

.whatsapp-fab:hover {
  transform: scale(1.12);
  box-shadow: 0 12px 40px rgba(37,211,102,0.45), 0 4px 16px rgba(0,0,0,0.25);
}

.whatsapp-fab:active {
  transform: scale(0.96);
}

.whatsapp-fab svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* Ping animation */
.whatsapp-fab::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  background: rgba(37,211,102,0.30);
  animation: waPing 2.5s ease-out infinite 1.5s;
}

@keyframes waPing {
  0%   { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ─── Contact Form ────────────────────────── */
.contact-section {
  background: var(--gray-900);
  padding-block: var(--space-24);
}

.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (min-width: 1024px) {
  .contact__wrapper {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.contact__info-title {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--white);
  margin-bottom: var(--space-4);
}

.contact__info-text {
  font-size: var(--text-md);
  color: rgba(255,255,255,0.55);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.contact__channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__channel {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: var(--border-light);
  background: rgba(255,255,255,0.03);
  transition: background var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
  text-decoration: none;
}

.contact__channel:hover {
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.contact__channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__channel-icon--wa {
  background: rgba(37,211,102,0.10);
}
.contact__channel-icon--wa svg { color: #25D366; }

.contact__channel-icon--email {
  background: rgba(56,189,248,0.10);
}
.contact__channel-icon--email svg { color: var(--accent); }

.contact__channel-icon svg {
  width: 22px;
  height: 22px;
}

.contact__channel-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.40);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.contact__channel-value {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--white);
}

/* Form */
.contact-form {
  background: rgba(255,255,255,0.03);
  border: var(--border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
}

.form__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--white);
  margin-bottom: var(--space-6);
}

.form__group {
  margin-bottom: var(--space-5);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-2);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: var(--border-light);
  background: rgba(255,255,255,0.04);
  font-family: var(--font-base);
  font-size: var(--text-base);
  color: var(--white);
  transition: border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: rgba(255,255,255,0.30);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow-sm);
  background: rgba(255,255,255,0.06);
  outline: none;
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 6L8 10L12 6' stroke='%23888888' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form__select option {
  background: var(--gray-900);
  color: var(--white);
}

.form__submit {
  width: 100%;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  border: none;
  margin-top: var(--space-2);
  transition: background var(--duration-base) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.form__submit:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.form__submit:active {
  transform: translateY(0);
}

.form__submit.loading {
  opacity: 0.75;
  cursor: not-allowed;
  transform: none;
}

.form__success {
  display: none;
  text-align: center;
  padding: var(--space-8);
  color: rgba(255,255,255,0.55);
}

.form__success svg {
  width: 48px;
  height: 48px;
  color: #22C55E;
  margin: 0 auto var(--space-4);
}

.form__success-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--white);
  margin-bottom: var(--space-2);
}

/* ─── Footer ──────────────────────────────── */
.footer {
  background: var(--gray-950);
  padding-block: var(--space-16);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer__brand-logo {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--white);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.footer__brand-text {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.35);
  line-height: var(--leading-relaxed);
  max-width: 300px;
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(255,255,255,0.30);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.50);
  transition: color var(--duration-base) var(--ease-out);
}
.footer__link:hover { color: var(--white); }

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.06);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer__copyright {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.25);
}

.footer__made-with {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.footer__made-with svg {
  width: 14px;
  height: 14px;
  fill: var(--accent);
}

/* ─── Responsive Tweaks ───────────────────── */
@media (max-width: 767px) {
  .section { padding-block: var(--space-16); }
  .section__header { margin-bottom: var(--space-10); }
  .hero__stats { gap: var(--space-6); }
  .final-cta { padding-block: var(--space-20); }
  .contact-form { padding: var(--space-6); }
}

/* ─── Scroll Progress Bar ─────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-lighter));
  z-index: calc(var(--z-nav) + 1);
  width: 0%;
  transition: width 50ms linear;
}

/* ─── Back to Top ─────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: calc(var(--space-6) + 56px + var(--space-3));
  right: var(--space-6);
  z-index: var(--z-fab);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(22,22,22,0.90);
  border: 1px solid rgba(255,255,255,0.10);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out);
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  background: rgba(40,40,40,0.95);
}

.back-to-top svg {
  width: 16px;
  height: 16px;
  color: rgba(255,255,255,0.70);
}

/* ─── Smooth Inertia Scroll ─────────── */
body.is-desktop {
  overflow-x: hidden;
}
.is-desktop #smooth-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}
.is-desktop #smooth-content {
  width: 100%;
  position: relative;
  will-change: transform;
}

/* ─── Split Line Reveals ─────────── */
.split-line-wrapper {
  overflow: hidden;
  display: block;
}
.split-line-content {
  display: inline-block;
  will-change: transform;
}