/* ============================================================
   Atlas Integrated — Sections (M2+)
   Shared section primitives, scroll reveals, two-column splits
   ============================================================ */

.section {
  position: relative;
  padding-block: var(--space-10);
}

@media (max-width: 1023px) {
  .section { padding-block: var(--space-9); }
}

@media (max-width: 767px) {
  .section { padding-block: var(--space-8); }
}

/* Subtle hairline separator above each major section. The static
   border-top is the no-JS fallback; motion.css replaces it with an
   animated ::after that draws from left when the section enters view. */
.section-divider {
  border-top: 1px solid var(--color-border);
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--color-gold);
  margin-bottom: var(--space-5);
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.2vw, 3.75rem);
  font-weight: var(--fw-semi);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display-tight);
  color: var(--fg-body);
  margin-bottom: var(--space-5);
  max-width: 22ch;
}

.section-lede {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.9vw, 1.5rem);
  font-weight: var(--fw-regular);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-display);
  color: var(--fg-muted);
  max-width: 38ch;
}

.section-body {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  line-height: var(--lh-body);
  color: var(--fg-body);
  max-width: 52ch;
}

.section-body + .section-body {
  margin-top: var(--space-4);
}

/* ---- Two-column split (text left, visual right) ---- */

.split-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}

@media (min-width: 1024px) {
  .split-2 {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    gap: var(--space-9);
  }
}

.split-text {
  display: flex;
  flex-direction: column;
}

.split-visual {
  position: relative;
  width: 100%;
}

/* Scroll reveals intentionally disabled.
   Only the hero has motion animations; the rest of the page is static. */
[data-reveal] {
  opacity: 1;
  transform: none;
}

/* ---- Section 2: Platform Statement ---- */

.section-platform {
  /* Spec: a single, wide section establishing the category and the problem.
     No icons in colored circles. No bullet lists. Copy and structure carry the weight. */
}

/* The Atlas AI flow diagram (custom SVG) */
.workflow-diagram {
  width: 100%;
  max-width: 700px;
  margin-inline: auto;
  display: block;
  color: var(--color-navy);
}

.workflow-diagram .wf-card {
  fill: var(--bg-page);
  stroke: currentColor;
  stroke-width: 1.5;
}

.workflow-diagram .wf-card-strong {
  stroke-width: 2;
}

.workflow-diagram .wf-card-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: var(--fw-medium);
  fill: var(--color-navy);
  letter-spacing: 0.02em;
}

.workflow-diagram .wf-card-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: var(--fw-semi);
  fill: var(--color-navy);
  letter-spacing: -0.01em;
}

.workflow-diagram .wf-flow {
  fill: none;
  stroke: var(--color-muted);
  stroke-width: 1.4;
  stroke-linecap: round;
}

.workflow-diagram .wf-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============================================================
   Section 4: Capabilities
   ============================================================ */

.section-capabilities {
  /* spacing handled by .section */
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: var(--space-9);
}

.section-header .section-headline {
  max-width: 22ch;
  margin-inline: auto;
}

.section-header .section-lede {
  max-width: 48ch;
  margin-inline: auto;
}

/* ---- Featured capability spotlight (AI Inbox) ---- */

.capability-feature {
  position: relative;
  background: var(--color-navy);
  color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-9) var(--space-8);
  margin-bottom: var(--space-9);
  overflow: hidden;
}

@media (max-width: 767px) {
  .capability-feature {
    padding: var(--space-7) var(--space-6);
  }
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: start;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: var(--space-9);
  }
}

.feature-icon {
  width: 48px;
  height: 48px;
  color: var(--color-gold);
  margin-bottom: var(--space-5);
}

.feature-eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.feature-title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  font-weight: var(--fw-semi);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display-tight);
  color: var(--color-surface);
  margin-bottom: var(--space-4);
  max-width: 22ch;
}

.feature-body {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  line-height: var(--lh-body);
  color: var(--color-surface);
  opacity: 0.85;
  max-width: 50ch;
}

.feature-body + .feature-body {
  margin-top: var(--space-4);
}

/* The secondary slogan, rendered as a display-type declaration (not a callout) */
.feature-slogan {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: var(--fw-regular);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-display);
  color: var(--color-surface);
  border-top: 1px solid rgba(247, 244, 236, 0.18);
  padding-top: var(--space-6);
  margin-top: var(--space-6);
  max-width: 24ch;
}

/* ---- Capabilities grid (9 cards) ---- */

.capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .capability-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.capability-card {
  position: relative;
  background: var(--bg-page);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition:
    transform 180ms var(--ease-card),
    border-color 200ms var(--ease-smooth),
    box-shadow 200ms var(--ease-smooth);
  display: flex;
  flex-direction: column;
  text-align: left;
  cursor: default;
}

.capability-card:hover,
.capability-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--color-border-strong);
  box-shadow:
    inset 3px 0 0 var(--color-gold),
    0 8px 24px rgba(31, 51, 86, 0.08);
}

.capability-card-icon {
  width: 32px;
  height: 32px;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
  transition: color 240ms var(--ease-smooth);
}

.capability-card:hover .capability-card-icon,
.capability-card:focus-within .capability-card-icon {
  color: var(--color-gold);
}

.capability-card-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--fw-semi);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-display);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

.capability-card-statement {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--fg-body);
  margin: 0;
}

.capability-card-detail {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body);
  color: var(--fg-muted);
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition:
    max-height 280ms var(--ease-card),
    opacity 200ms var(--ease-card),
    margin-top 280ms var(--ease-card);
}

.capability-card:hover .capability-card-detail,
.capability-card:focus-within .capability-card-detail {
  max-height: 120px;
  opacity: 1;
  margin-top: var(--space-3);
}

/* ============================================================
   Section 5: Built Different
   ============================================================ */

.differentiator-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  max-width: 1080px;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .differentiator-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-8) var(--space-9);
  }
}

.differentiator {
  position: relative;
  padding-left: var(--space-6);
  border-left: 1px solid var(--color-border-strong);
}

.differentiator-number {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semi);
  letter-spacing: var(--tracking-eyebrow);
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.differentiator-title {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2vw, 1.75rem);
  font-weight: var(--fw-semi);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-display);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
  max-width: 20ch;
}

.differentiator-body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--fg-body);
  max-width: 42ch;
  margin: 0;
}

/* ============================================================
   Section 7: Book a Demo
   Navy full-width section with a substantial form card
   ============================================================ */

.section-demo {
  position: relative;
  background: var(--color-navy);
  color: var(--color-surface);
  padding-block: var(--space-10);
  scroll-margin-top: 80px;
  overflow: hidden;
}

@media (max-width: 767px) {
  .section-demo { padding-block: var(--space-9) var(--space-8); }
}

/* Soft gold radial glow in the background for depth */
.section-demo::before {
  content: "";
  position: absolute;
  top: -30%;
  left: 50%;
  width: 900px;
  height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle at center, oklch(70% 0.10 80 / 0.10) 0%, transparent 60%);
  pointer-events: none;
}

.demo-inner {
  position: relative;
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
  z-index: 1;
}

.demo-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.demo-headline {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.2vw, 3.5rem);
  font-weight: var(--fw-semi);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display-tight);
  color: var(--color-surface);
  margin-bottom: var(--space-4);
}

.demo-lede {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  font-weight: var(--fw-regular);
  line-height: var(--lh-snug);
  color: var(--color-surface);
  opacity: 0.78;
  max-width: 46ch;
  margin: 0 auto var(--space-8);
}

/* The form card — subtle elevated surface on the navy background */
.demo-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-7) var(--space-6);
  background: rgba(247, 244, 236, 0.04);
  border: 1px solid rgba(247, 244, 236, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-align: left;
}

@media (min-width: 640px) {
  .demo-form {
    padding: var(--space-8) var(--space-8);
  }
}

.demo-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.demo-label {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--color-surface);
  opacity: 0.72;
}

.demo-input {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: rgba(247, 244, 236, 0.06);
  border: 1px solid rgba(247, 244, 236, 0.18);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  line-height: 1.3;
  color: var(--color-surface);
  outline: none;
  transition:
    border-color 200ms var(--ease-smooth),
    background-color 200ms var(--ease-smooth),
    box-shadow 200ms var(--ease-smooth);
  min-height: 52px;
  -webkit-appearance: none;
  appearance: none;
}
.demo-input::placeholder { color: rgba(247, 244, 236, 0.4); }
.demo-input:hover {
  border-color: rgba(247, 244, 236, 0.28);
}
.demo-input:focus,
.demo-input:focus-visible {
  border-color: var(--color-gold);
  background: rgba(247, 244, 236, 0.08);
  box-shadow: 0 0 0 3px oklch(70% 0.10 80 / 0.18);
  outline: none;
}
.demo-input[aria-invalid="true"] {
  border-color: #e28b8b;
  box-shadow: 0 0 0 3px rgba(226, 139, 139, 0.16);
}

.demo-error {
  display: block;
  min-height: 1em;
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  color: #f3a6a6;
  line-height: 1.3;
  margin-top: 2px;
}

.demo-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-4) var(--space-6);
  margin-top: var(--space-3);
  background: var(--color-surface);
  color: var(--color-navy);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-semi);
  letter-spacing: var(--tracking-caption);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  min-height: 56px;
  transition:
    background-color 200ms var(--ease-smooth),
    transform 180ms var(--ease-card),
    box-shadow 200ms var(--ease-smooth);
}
.demo-submit:hover {
  background: #ffffff;
  box-shadow: 0 8px 24px oklch(70% 0.10 80 / 0.18);
}
.demo-submit:active { transform: translateY(1px); }
.demo-submit:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}
.demo-submit svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 180ms var(--ease-card);
}
.demo-submit:hover svg { transform: translateX(3px); }

.demo-privacy {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  line-height: 1.5;
  color: var(--color-surface);
  opacity: 0.55;
  max-width: 48ch;
  margin: var(--space-5) auto 0;
  text-align: left;
  justify-content: center;
}
.demo-privacy svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Success state (shown after valid submit).
   Using [hidden] attribute selector here so the HTML `hidden`
   attribute correctly hides the element — `display: flex` on a
   bare class would override it. */
.demo-success[hidden] { display: none !important; }
.demo-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-9) var(--space-6);
  background: rgba(247, 244, 236, 0.04);
  border: 1px solid rgba(247, 244, 236, 0.12);
  border-radius: var(--radius-lg);
  animation: demo-success-in var(--dur-reveal) var(--ease-cinematic) both;
}

.demo-success-mark {
  width: 64px;
  height: 64px;
  color: var(--color-gold);
}

.demo-success-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.8vw, 2.25rem);
  font-weight: var(--fw-semi);
  color: var(--color-surface);
  margin: 0;
}

.demo-success-body {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  color: var(--color-surface);
  opacity: 0.8;
  max-width: 40ch;
  margin: 0;
  line-height: var(--lh-body);
}

@keyframes demo-success-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

/* ============================================================
   Section 8: Footer
   3-column layout: brand + tagline | sitemap | contact
   ============================================================ */

.site-footer {
  background: var(--color-navy);
  color: var(--color-surface);
  padding-block: var(--space-9) var(--space-5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid rgba(247, 244, 236, 0.12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: var(--space-8);
  }
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-surface);
  margin-bottom: var(--space-4);
  transition: opacity 200ms var(--ease-smooth);
}
.footer-brand:hover { opacity: 0.85; }

.footer-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: block;
}

.footer-brand-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: var(--fw-semi);
  letter-spacing: var(--tracking-display-tight);
  line-height: 1;
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: var(--fs-body-lg);
  line-height: var(--lh-snug);
  color: var(--color-surface);
  opacity: 0.72;
  max-width: 32ch;
  margin: 0;
}

.footer-column-title {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--fs-body);
}
.footer-links a {
  color: var(--color-surface);
  opacity: 0.82;
  transition: opacity 200ms var(--ease-smooth);
}
.footer-links a:hover {
  opacity: 1;
}

.footer-contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-surface);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  opacity: 0.82;
  transition: opacity 200ms var(--ease-smooth);
}
.footer-contact-link:hover { opacity: 1; }
.footer-contact-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding-top: var(--space-5);
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--color-surface);
  opacity: 0.55;
  letter-spacing: var(--tracking-caption);
}

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

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  align-items: center;
}

.footer-legal a {
  color: inherit;
  transition: opacity 200ms var(--ease-smooth);
}
.footer-legal a:hover {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 3px;
}