:root {
  --bg: #08090b;
  --surface: rgba(255, 255, 255, 0.055);
  --surface-2: rgba(255, 255, 255, 0.09);

  --text: #e7e0d3;
  --muted: rgba(231, 224, 211, 0.66);
  --soft: rgba(231, 224, 211, 0.38);
  --heading: #fff8eb;

  --primary: #d8aa54;
  --primary-2: #7b5cff;
  --green: #7be0ad;

  --border: rgba(255, 255, 255, 0.11);
  --border-strong: rgba(216, 170, 84, 0.42);

  --font: "Inter", sans-serif;
  --mono: "JetBrains Mono", monospace;

  --container: 1180px;
  --rail: 76px;
  --radius: 24px;
  --radius-sm: 14px;
  --section: 7rem;

  --transition: 240ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 72% 18%, rgba(123, 92, 255, 0.14), transparent 28rem),
    radial-gradient(circle at 20% 74%, rgba(216, 170, 84, 0.14), transparent 26rem),
    linear-gradient(180deg, #08090b 0%, #111217 52%, #08090b 100%);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

b {
  color: var(--heading);
}

/* BACKGROUND */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.noise {
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 3px 3px;
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(216, 170, 84, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 170, 84, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

.orb {
  position: absolute;
  width: 32rem;
  height: 32rem;
  border-radius: 999px;
  filter: blur(110px);
  opacity: 0.22;
}

.orb-one {
  top: -14rem;
  right: 10%;
  background: var(--primary-2);
}

.orb-two {
  bottom: 4rem;
  left: 8%;
  background: var(--primary);
}

.cursor-light {
  position: fixed;
  z-index: 2;
  width: 28rem;
  height: 28rem;
  pointer-events: none;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(216, 170, 84, 0.09), transparent 62%);
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
}

/* SIDE RAIL */
.side-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 5;
  width: var(--rail);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.4rem 0;
  border-right: 1px solid var(--border);
  background: rgba(8, 9, 11, 0.52);
  backdrop-filter: blur(18px);
}

.rail-logo {
  color: var(--primary);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
}

.side-rail span {
  flex: 1;
  width: 1px;
  margin: 1.5rem 0;
  background: linear-gradient(transparent, var(--border-strong), transparent);
}

.side-rail p {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

/* LAYOUT */
.page-shell {
  position: relative;
  z-index: 3;
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
  padding-left: calc(var(--rail) / 2);
}

/* HEADER */
.site-header {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  color: var(--heading);
  font-weight: 900;
  letter-spacing: -0.05em;
}

.brand span {
  color: var(--muted);
  font-weight: 500;
}

.brand strong {
  font-size: 1.05rem;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.main-nav a {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  transition: color var(--transition);
}

.main-nav a:hover {
  color: var(--primary);
}

/* HERO */
.case-hero {
  min-height: calc(100vh - 84px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) 430px;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding: 4rem 0 6rem;
}

.case-hero-copy {
  max-width: 860px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 1.7rem;
  height: 1px;
  background: currentColor;
}

.case-hero h1 {
  max-width: 860px;
  margin-bottom: 1.45rem;
  color: var(--heading);
  font-size: clamp(3.2rem, 7vw, 6.7rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.085em;
}

.hero-description {
  max-width: 720px;
  margin-bottom: 2.2rem;
  color: var(--muted);
  font-size: clamp(1.04rem, 2vw, 1.2rem);
  line-height: 1.85;
}

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

/* PANEL */
.case-hero-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(216, 170, 84, 0.14), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.026));
  box-shadow: 0 40px 130px rgba(0, 0, 0, 0.42);
}

.case-hero-panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.14), transparent);
  transform: translateX(-100%);
  animation: shine 6s infinite;
}

.panel-top {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.panel-top span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 28px rgba(123, 224, 173, 0.75);
}

.panel-top p {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.panel-content {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
}

.panel-content small {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--soft);
  font-family: var(--mono);
  font-weight: 800;
  text-transform: uppercase;
}

.panel-content > strong {
  display: block;
  margin-bottom: 1.4rem;
  color: var(--heading);
  font-size: 1.8rem;
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.panel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.panel-tags span {
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 900;
}

.panel-metric {
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.18);
}

.panel-metric strong {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--primary);
  font-size: 1.6rem;
  letter-spacing: -0.06em;
}

.panel-metric p {
  color: var(--muted);
  line-height: 1.7;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0.9rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 900;
  transition:
    transform var(--transition),
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.btn::after {
  content: "→";
  margin-left: 0.55rem;
  transition: transform var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:hover::after {
  transform: translateX(4px);
}

.btn-primary {
  background: var(--primary);
  color: #13100a;
}

.btn-ghost {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.035);
  color: var(--heading);
}

.btn-ghost:hover {
  border-color: var(--border-strong);
  background: rgba(216, 170, 84, 0.1);
  color: var(--primary);
}

/* IMPACT */
.impact-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: var(--section);
}

.impact-strip article {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.02));
}

.impact-strip span {
  color: var(--primary);
  font-family: var(--mono);
  font-weight: 900;
}

.impact-strip strong {
  color: var(--heading);
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.impact-strip p {
  color: var(--muted);
  line-height: 1.7;
}

/* SECTIONS */
.section {
  padding-bottom: var(--section);
}

.section-kicker {
  margin-bottom: 1rem;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.text-grid,
.solution-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
}

.text-grid h2,
.solution-layout h2,
.proof-intro h2,
.result-card h2,
.contact-card h2 {
  color: var(--heading);
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.075em;
}

.rich-text p,
.solution-layout p,
.proof-intro p,
.result-card p,
.contact-card p {
  color: var(--muted);
  line-height: 1.85;
}

.rich-text p + p,
.solution-layout p + p {
  margin-top: 1rem;
}

/* SOLUTION */
.process-card {
  padding: 1.5rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(216, 170, 84, 0.12), transparent 48%),
    rgba(255, 255, 255, 0.045);
}

.process-card span {
  display: block;
  margin-bottom: 1.2rem;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.process-card ol {
  display: grid;
  gap: 0.75rem;
  padding-left: 1.2rem;
}

.process-card li {
  color: var(--muted);
  line-height: 1.7;
}

/* PROOF / PROCESS IMAGES */
.proof-section {
  padding-bottom: var(--section);
}

.proof-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: end;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.proof-flow {
  display: grid;
  gap: 1.2rem;
}

.proof-item {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 1.2rem;
  align-items: stretch;
  min-height: 460px;
}

.proof-item-reverse {
  grid-template-columns: 1.28fr 0.72fr;
}

.proof-item-reverse .proof-text {
  order: 2;
}

.proof-item-reverse .proof-image {
  order: 1;
}

.proof-text {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.5rem, 4vw, 2.4rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(216, 170, 84, 0.11), transparent 44%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.02));
  overflow: hidden;
}

.proof-text::before {
  content: "";
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 28px rgba(123, 224, 173, 0.75);
}

.proof-text span {
  display: block;
  margin-bottom: 1rem;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-text h3 {
  max-width: 560px;
  margin-bottom: 1rem;
  color: var(--heading);
  font-size: clamp(1.7rem, 3vw, 3rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.proof-text p {
  max-width: 620px;
  color: var(--muted);
  line-height: 1.85;
}

.proof-image {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #050607;
  box-shadow: 0 34px 120px rgba(0, 0, 0, 0.35);
}

.proof-image::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.46)),
    radial-gradient(circle at 50% 20%, transparent, rgba(0, 0, 0, 0.34));
  pointer-events: none;
}

.proof-image::after {
  content: "";
  position: absolute;
  inset: 1rem;
  z-index: 3;
  border: 1px solid rgba(216, 170, 84, 0.18);
  border-radius: 18px;
  pointer-events: none;
}

.proof-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.78) contrast(1.12) saturate(0.9);
  transform: scale(1.015);
  transition:
    transform 700ms ease,
    filter 260ms ease;
}

.proof-image:hover img {
  transform: scale(1.055);
  filter: brightness(0.94) contrast(1.12) saturate(0.95);
}

.proof-image-terminal img,
.proof-image-folder img {
  object-position: left center;
}

.proof-item-large .proof-image {
  min-height: 540px;
}

/* RESULT */
.result-card {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 2.5rem;
  padding: clamp(2rem, 5vw, 3.4rem);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at top right, rgba(216, 170, 84, 0.18), transparent 28rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025));
  box-shadow: 0 40px 140px rgba(0, 0, 0, 0.36);
}

.result-list {
  display: grid;
  gap: 0.85rem;
}

.result-list article {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.16);
}

.result-list span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--primary);
  font-weight: 900;
}

.result-list p {
  font-size: 0.95rem;
}

/* CONTACT */
.contact-section {
  padding-bottom: var(--section);
}

.contact-card {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  border: 1px solid var(--border-strong);
  border-radius: calc(var(--radius) + 8px);
  background:
    radial-gradient(circle at top right, rgba(216, 170, 84, 0.2), transparent 28rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025));
  box-shadow: 0 40px 140px rgba(0, 0, 0, 0.4);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* FOOTER */
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
}

.site-footer p {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 0.72rem;
}

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(52px) scale(0.985);
  filter: blur(10px);
  transition:
    opacity 760ms ease,
    transform 920ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 760ms ease;
  will-change: opacity, transform, filter;
}

.scroll-down .reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.scroll-up .reveal {
  transform: translateY(-38px) scale(0.985);
}

.scroll-up .reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.scroll-up .reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(-52px) scale(0.985);
  filter: blur(10px);
}

/* ANIMATIONS */
@keyframes shine {
  0% {
    transform: translateX(-100%);
  }

  18%,
  100% {
    transform: translateX(100%);
  }
}

/* RESPONSIVE */
@media (max-width: 1120px) {
  .case-hero,
  .text-grid,
  .solution-layout,
  .proof-intro,
  .proof-item,
  .proof-item-reverse,
  .result-card,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .impact-strip {
    grid-template-columns: 1fr;
  }

  .proof-item-reverse .proof-text,
  .proof-item-reverse .proof-image {
    order: initial;
  }

  .proof-image,
  .proof-item-large .proof-image {
    min-height: 430px;
  }
}

@media (max-width: 820px) {
  :root {
    --rail: 0px;
  }

  .side-rail {
    display: none;
  }

  .page-shell {
    padding-left: 0;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 1.2rem 0;
  }

  .main-nav ul {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .case-hero {
    min-height: auto;
    padding: 4rem 0;
  }

  .hero-actions .btn,
  .contact-actions .btn {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .page-shell {
    width: min(100% - 1.2rem, var(--container));
  }

  .case-hero h1 {
    font-size: clamp(3rem, 17vw, 4.5rem);
  }

  .case-hero-panel,
  .impact-strip article,
  .process-card,
  .proof-text,
  .proof-image,
  .result-card,
  .contact-card {
    border-radius: 18px;
  }

  .proof-image,
  .proof-item-large .proof-image {
    min-height: 320px;
  }

  .cursor-light {
    display: none;
  }
}

/* ACCESSIBILITY */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .scroll-down .reveal.is-visible,
  .scroll-up .reveal,
  .scroll-up .reveal.is-visible,
  .scroll-up .reveal:not(.is-visible) {
    opacity: 1;
    transform: none;
    filter: none;
  }
}