:root {
  --bg: #f4f4f4;
  --ink: #111111;
  --muted: #5e5e5e;
  --line: #d8d8d8;
  --panel: #efefef;
  --white: #ffffff;
  --radius: 16px;
  --max: 1160px;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
}

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

img,
svg,
canvas,
video {
  max-width: 100%;
}

html,
body {
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

.page {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
}

.page::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 15% 12%, rgba(0, 0, 0, 0.05), transparent 35%),
    radial-gradient(circle at 82% 28%, rgba(0, 0, 0, 0.045), transparent 36%),
    linear-gradient(180deg, #fafafa 0%, #f1f1f1 52%, #ececec 100%);
}

.page::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 90px 90px;
  opacity: 0.35;
  mask-image: linear-gradient(to bottom, black 15%, transparent 95%);
}

.container {
  width: min(var(--max), calc(100% - clamp(24px, 5vw, 72px)));
  margin: 0 auto;
}

header .container {
  width: 100%;
  max-width: none;
  padding-inline: clamp(14px, 2.4vw, 34px);
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(244, 244, 244, 0.72);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 18px;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.35px;
  display: flex;
  align-items: center;
  gap: 0.42rem;
}

.brand-text span {
  opacity: 0.72;
  font-weight: 500;
}

.brand-logo {
  width: 1.35rem;
  height: 1.35rem;
  object-fit: contain;
  image-rendering: auto;
  mix-blend-mode: multiply;
  filter: contrast(1.02);
  transform: translateZ(0);
}

.menu {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.menu a {
  font-family: "Space Grotesk", sans-serif;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
}

.menu a:hover {
  opacity: 0.7;
}

.btn {
  font-family: "Space Grotesk", sans-serif;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  border-radius: 999px;
  padding: 11px 20px;
  font-size: 0.92rem;
  text-decoration: none;
  transition: transform 140ms ease, opacity 140ms ease, background 140ms ease, color 140ms ease;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
}

.hero {
  padding: 9rem 0 5rem;
  text-align: center;
  position: relative;
}

.kicker {
  font-family: "Space Grotesk", sans-serif;
  display: inline-block;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 1.2rem;
  font-size: 0.82rem;
  color: #2a2a2a;
  letter-spacing: 0.25px;
}

h1 {
  font-family: "Instrument Serif", serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 5rem);
  line-height: 0.98;
  max-width: 980px;
  margin: 0 auto 1.2rem;
}

.hero p {
  max-width: 860px;
  margin: 0 auto;
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  color: #1a1a1a;
}

.hero .sub {
  margin-top: 1.05rem;
  color: var(--muted);
  max-width: 780px;
  font-size: 1rem;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.credibility-strip {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-block: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.44);
  backdrop-filter: blur(10px);
}

.credibility-strip::before,
.credibility-strip::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 2;
  width: clamp(46px, 12vw, 150px);
  pointer-events: none;
}

.credibility-strip::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}

.credibility-strip::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg), transparent);
}

.credibility-track {
  display: flex;
  width: max-content;
  animation: credibility-marquee 30s linear infinite;
}

.credibility-set {
  display: flex;
  align-items: center;
  gap: clamp(18px, 4vw, 54px);
  padding: 1rem clamp(18px, 4vw, 54px);
}

.credibility-item {
  min-width: max-content;
  display: flex;
  align-items: center;
  gap: 0.78rem;
  color: #202020;
}

.credibility-label {
  font-family: "Space Grotesk", sans-serif;
  color: #6a6a6a;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  padding: 0.44rem 0.72rem;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.04);
}

.logo-text {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1;
  color: #151515;
}

.official-logo {
  display: block;
  width: auto;
  object-fit: contain;
  flex: 0 0 auto;
}

.microsoft-logo {
  height: 1.32rem;
}

.shopify-logo {
  height: 1.22rem;
}

.csv-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  height: 1.18rem;
  border-radius: 5px;
  background: #111111;
  color: #ffffff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  flex: 0 0 auto;
}

@keyframes credibility-marquee {
  to {
    transform: translateX(-50%);
  }
}

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

.section {
  padding: 2.8rem 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  min-width: 0;
  background: linear-gradient(180deg, #f7f7f7, #ededed);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.2rem;
  box-shadow: var(--shadow);
}

.card h3 {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.65rem;
  margin-bottom: 0.45rem;
  line-height: 1.05;
}

.card p {
  color: #3f3f3f;
  font-size: 0.96rem;
}

.plan-actions {
  margin-top: 1rem;
}

.band {
  font-family: "Space Grotesk", sans-serif;
  margin-top: 2.2rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.2rem 0;
  color: #292929;
  font-size: 0.96rem;
  text-align: center;
  letter-spacing: 0.2px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 0.6rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.2rem;
}

.panel h2 {
  font-family: "Cormorant Garamond", serif;
  font-size: 2rem;
  line-height: 1.05;
  margin-bottom: 0.8rem;
}

.analysis-panel {
  background: linear-gradient(180deg, #f7f7f7 0%, #ececec 100%);
}

.analysis-intro {
  color: #333;
  margin-bottom: 0.9rem;
}

.analysis-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
}

.analysis-form label {
  width: 100%;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.88rem;
  color: #2b2b2b;
}

.analysis-form input[type="file"] {
  width: min(520px, 100%);
  border: 1px solid #bdbdbd;
  background: #f9f9f9;
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
}

.analysis-status {
  margin-top: 0.8rem;
  min-height: 1.4rem;
  font-size: 0.9rem;
  color: #303030;
}

.analysis-status.error {
  color: #8d2020;
}

.analysis-results {
  margin-top: 1rem;
}

.analysis-results h3 {
  font-family: "Instrument Serif", serif;
  font-size: 1.8rem;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.analysis-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0.8rem;
}

.analysis-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f7f7f7;
  padding: 0.85rem;
}

.analysis-card h4 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.83rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.analysis-card p {
  color: #2f2f2f;
  font-size: 0.94rem;
}

.metrics-title {
  margin-top: 1rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.metric-item {
  border: 1px solid #d0d0d0;
  border-radius: 10px;
  background: #f8f8f8;
  padding: 0.7rem;
}

.metric-item .label {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.8rem;
  color: #4a4a4a;
}

.metric-item .value {
  display: block;
  font-family: "Instrument Serif", serif;
  font-size: 1.45rem;
  color: #171717;
  line-height: 1;
  margin-top: 0.1rem;
}

.finding-list {
  display: grid;
  gap: 8px;
}

.finding-item {
  border: 1px solid #d3d3d3;
  border-radius: 10px;
  background: #f8f8f8;
  padding: 0.75rem;
}

.finding-item h4 {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.3rem;
  margin-bottom: 0.2rem;
}

.finding-item p {
  color: #303030;
  font-size: 0.93rem;
}

.severity {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #424242;
}

.list {
  list-style: none;
  display: grid;
  gap: 0.8rem;
  margin-top: 0.9rem;
}

.list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #303030;
  font-size: 0.95rem;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #131313;
  margin-top: 0.42rem;
  flex: 0 0 auto;
}

.flow {
  display: grid;
  gap: 10px;
}

.step {
  border: 1px dashed #bfbfbf;
  border-radius: 12px;
  background: #f6f6f6;
  padding: 0.9rem;
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.step strong {
  font-family: "Space Grotesk", sans-serif;
  min-width: 42px;
  font-size: 0.82rem;
  letter-spacing: 0.3px;
  color: #222;
}

.cta {
  padding: 4.2rem 0 5.6rem;
  text-align: center;
}

.cta-box {
  border: 1px solid var(--line);
  background: #f8f8f8;
  border-radius: 18px;
  padding: 2rem 1rem;
  box-shadow: var(--shadow);
}

.cta h2 {
  font-family: "Instrument Serif", serif;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.02;
  margin-bottom: 0.6rem;
}

.cta p {
  color: #3a3a3a;
  max-width: 760px;
  margin: 0 auto 1.1rem;
}

footer {
  padding: 1rem 0 2rem;
  text-align: center;
  color: #666;
  font-size: 0.85rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
}

.reveal.show {
  animation: rise 700ms ease forwards;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 940px) {
  .menu {
    display: none;
  }

  .hero {
    padding-top: 7.3rem;
  }

  .credibility-track {
    animation-duration: 24s;
  }

  .grid-3 {
    grid-auto-flow: column;
    grid-auto-columns: minmax(238px, 78vw);
    grid-template-columns: none;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    padding-bottom: 8px;
  }

  .two-col {
    grid-template-columns: repeat(2, minmax(230px, 1fr));
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding-bottom: 8px;
  }

  .cta-box {
    padding: 1.6rem 0.9rem;
  }

  .analysis-grid,
  .metric-grid {
    grid-auto-flow: column;
    grid-auto-columns: minmax(220px, 78vw);
    grid-template-columns: none;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding-bottom: 8px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--max), calc(100% - 24px));
  }

  header .container {
    width: 100%;
    padding-inline: 12px;
  }

  .nav {
    min-height: 64px;
    gap: 10px;
  }

  .brand {
    font-size: 0.86rem;
  }

  .btn {
    padding: 9px 14px;
    font-size: 0.82rem;
  }

  .hero {
    padding: 6.2rem 0 3.1rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero .sub {
    font-size: 0.88rem;
  }

  .credibility-set {
    gap: 14px;
    padding: 0.85rem 14px;
  }

  .credibility-item {
    gap: 0.5rem;
  }

  .credibility-label {
    font-size: 0.68rem;
  }

  .logo-lockup {
    padding: 0.38rem 0.58rem;
  }

  .logo-text {
    font-size: 0.78rem;
  }

  .hero-actions {
    width: 100%;
    justify-content: stretch;
  }

  .hero-actions .btn {
    flex: 1 1 0;
    min-width: 0;
  }

  .grid-3,
  .analysis-grid,
  .metric-grid {
    grid-auto-columns: minmax(210px, 84vw);
  }

  .two-col {
    grid-template-columns: repeat(2, minmax(220px, 84vw));
  }

  .section {
    padding: 2.1rem 0;
  }

  .panel {
    padding: 1rem 0.88rem;
  }

  .card {
    padding: 1.05rem 0.92rem;
  }
}