/* ─── Reset & Base ─────────────────────────────────────────────── */

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

:root {
  --font: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --gradient: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);
  --brand-deep: rgb(5, 39, 103);
  --accent-blue: #1b6ec2;
  --link-blue: #006bb7;

  /* Hero (dark) */
  --hero-text: rgba(255, 255, 255, 0.96);
  --hero-body: rgba(255, 255, 255, 0.72);
  --hero-eyebrow: rgba(255, 255, 255, 0.55);
  --hero-brand: rgba(255, 255, 255, 0.38);

  /* Dark section */
  --dark-bg: #0d0d1a;
  --dark-text: rgba(255, 255, 255, 0.92);
  --dark-body: rgba(255, 255, 255, 0.58);
  --dark-eyebrow: rgba(255, 255, 255, 0.45);

  /* Light section */
  --light-bg: #f7f7f8;
  --light-text: #111;
  --light-body: #4a4a52;
  --light-eyebrow: #888;
  --light-rule: rgba(0, 0, 0, 0.07);

  /* Mid / white */
  --mid-bg: #ffffff;

  --max-width: 660px;
  --section-pad-v: clamp(80px, 12vh, 140px);
  --section-pad-h: clamp(24px, 6vw, 56px);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.75;
  background: #fff;
  color: var(--light-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Site Header ──────────────────────────────────────────────── */

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: 1.75rem var(--section-pad-h);
}

.brand-mark {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--hero-brand);
}

/* ─── Typography ───────────────────────────────────────────────── */

h1 {
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--hero-text);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hero-eyebrow);
  margin-bottom: 1rem;
}

.eyebrow.dark {
  color: var(--light-eyebrow);
}

.hero-body {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--hero-body);
  max-width: 520px;
  line-height: 1.8;
}

.body-text {
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.78;
  margin-bottom: 1rem;
  max-width: var(--max-width);
  color: inherit;
}

.body-text:last-of-type { margin-bottom: 0; }

em { font-style: italic; }

/* ─── Hero Section ─────────────────────────────────────────────── */

.hero {
  background: var(--gradient);
  min-height: 100svh;
  display: flex;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding: calc(var(--section-pad-v) + 2rem) var(--section-pad-h) var(--section-pad-v);
  position: relative;
  overflow: hidden;
}

.hero-content {
  flex: 0 1 540px;
  position: relative;
  z-index: 1;
}

/* Network art — right column */
.hero-art {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  opacity: 0.9;
}

.hero-art svg {
  width: 100%;
  max-width: 420px;
  height: auto;
}

.scroll-hint {
  position: absolute;
  bottom: 2.25rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.3);
  font-size: 1.2rem;
  animation: bob 2.4s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(7px); }
}

/* ─── Content Sections ─────────────────────────────────────────── */

.section {
  padding: var(--section-pad-v) var(--section-pad-h);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Light */
.section-light {
  background: var(--light-bg);
  color: var(--light-text);
}
.section-light h2       { color: var(--light-text); }
.section-light .body-text { color: var(--light-body); }

/* Mid */
.section-mid {
  background: var(--mid-bg);
  color: var(--light-text);
}
.section-mid h2         { color: var(--light-text); }
.section-mid .eyebrow   { color: var(--light-eyebrow); }
.section-mid .body-text { color: var(--light-body); }

/* Dark */
.section-dark {
  background: var(--dark-bg);
  color: var(--dark-text);
}
.section-dark h2        { color: var(--dark-text); }
.section-dark .eyebrow  { color: var(--dark-eyebrow); }
.section-dark .body-text { color: var(--dark-body); }

/* ─── Sinew Fiber Illustration ─────────────────────────────────── */

.sinew-illustration {
  margin-top: 3rem;
  width: 100%;
}

.sinew-art path {
  fill: none;
  stroke: rgba(5, 39, 103, 0.22);
  stroke-width: 1.2;
  stroke-linecap: round;
}

/* ─── Capability List ──────────────────────────────────────────── */

.capability-list {
  list-style: none;
  margin-top: 2.25rem;
}

.capability-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--light-rule);
}

.capability-list li:last-child {
  border-bottom: 1px solid var(--light-rule);
}

.cap-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 0.22rem;
  color: var(--light-eyebrow);
}

.cap-icon svg {
  display: block;
  width: 20px;
  height: 20px;
}

.capability-text {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: var(--light-body);
  font-style: italic;
  line-height: 1.7;
}

/* ─── CTA Button ───────────────────────────────────────────────── */

.cta-button {
  display: inline-block;
  margin-top: 2.25rem;
  padding: 0.9rem 2.1rem;
  background: var(--accent-blue);
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 4px;
  transition: background 0.2s ease, transform 0.15s ease;
}

.cta-button:hover {
  background: #1457a0;
  transform: translateY(-1px);
}

.cta-button:active {
  transform: translateY(0);
}

.cta-button:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 4px;
}

/* ─── Footer ───────────────────────────────────────────────────── */

footer {
  background: var(--dark-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2.25rem var(--section-pad-h);
  text-align: center;
}

footer p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.28);
  line-height: 1.9;
}

/* ─── Responsive ───────────────────────────────────────────────── */

/* Tablet: hide art, keep text readable */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 5rem;
  }

  .hero-content {
    flex: none;
    max-width: 100%;
  }

  .hero-art {
    display: none;
  }
}

/* Mobile */
@media (max-width: 600px) {
  body { font-size: 17px; }

  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }

  .hero {
    min-height: 100svh;
    justify-content: flex-end;
    padding-bottom: 5.5rem;
  }

  .capability-list li {
    padding: 1rem 0;
    gap: 0.85rem;
  }

  .sinew-illustration {
    margin-top: 2.25rem;
  }
}

/* Very small screens */
@media (max-width: 380px) {
  h1 { font-size: 1.65rem; }
}

/* ─── Get-Started Page ─────────────────────────────────────────── */

/* Static gradient bar — same look as hero header but flows in the doc */
.gs-header {
  background: var(--gradient);
  padding: 1.4rem var(--section-pad-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gs-back {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.15s ease;
}

.gs-back:hover { color: rgba(255, 255, 255, 0.85); }

/* Intro continues the gradient seamlessly below the header */
.gs-page-intro {
  background: var(--gradient);
  padding: clamp(2.5rem, 7vh, 5rem) var(--section-pad-h) clamp(3rem, 9vh, 6.5rem);
}

.gs-page-intro h1 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  max-width: 560px;
}

.gs-intro-sub {
  margin-top: 1.1rem;
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  color: rgba(255, 255, 255, 0.52);
  max-width: 490px;
  line-height: 1.8;
}

/* ─── Step numbers — sit in the .cap-icon slot, no SVG needed ───── */

.gs-step-num {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-blue);
  padding-top: 0.3rem;
  font-style: normal;
}

/* Bold inline label at the start of capability-text */
.cap-label {
  font-style: normal;
  font-weight: 600;
  color: var(--light-text);
}

/* ─── Capability list on dark backgrounds (pricing section) ─────── */

.gs-dark-list li {
  border-top-color: rgba(255, 255, 255, 0.08);
}

.gs-dark-list li:last-child {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.gs-dark-list .cap-icon {
  color: rgba(255, 255, 255, 0.3);
}

.gs-dark-list .capability-text {
  color: var(--dark-body);
}

/* ─── Pricing — large typographic price, no card box ────────────── */

.gs-price {
  font-size: clamp(3rem, 8vw, 4.8rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1;
  margin: 1.25rem 0 0.5rem;
}

.gs-price span {
  font-size: 1.1rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.38);
  letter-spacing: 0;
}

/* ─── Get-Started Responsive ────────────────────────────────────── */

@media (max-width: 600px) {
  .gs-page-intro h1 { font-size: 1.7rem; }
}