:root {
  --ink: #14212b;
  --ink-soft: #2a3a47;
  --paper: #f3eee4;
  --paper-deep: #e7dfd0;
  --accent: #1f6f78;
  --accent-deep: #15555c;
  --line: rgba(20, 33, 43, 0.14);
  --shadow: rgba(20, 33, 43, 0.18);
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(31, 111, 120, 0.12), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(20, 33, 43, 0.08), transparent 55%),
    linear-gradient(180deg, #ebe4d7 0%, var(--paper) 28%, #efe9dd 100%);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--ink);
}

/* —— Nav —— */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1.25rem, 4vw, 2.5rem);
  background: rgba(243, 238, 228, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-cta {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--ink);
  color: var(--ink) !important;
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--paper) !important;
}

/* —— Hero —— */
.hero {
  min-height: min(100vh, 920px);
  display: grid;
  grid-template-rows: auto 1fr;
  align-content: start;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(165deg, rgba(20, 33, 43, 0.04), transparent 40%),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 79px,
      rgba(20, 33, 43, 0.035) 79px,
      rgba(20, 33, 43, 0.035) 80px
    );
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  opacity: 0.08;
  pointer-events: none;
  mix-blend-mode: multiply;
  animation: grain-drift 18s linear infinite;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: clamp(2.5rem, 8vh, 5rem) clamp(1.25rem, 4vw, 2.5rem) 1.5rem;
}

.brand {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 550;
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-soft);
}

.hero-sub {
  margin: 0 0 1.75rem;
  max-width: 38rem;
  font-size: 1.125rem;
  color: var(--ink-soft);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1.25rem;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 160ms var(--ease), color 160ms var(--ease),
    border-color 160ms var(--ease), transform 160ms var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #f7faf9;
}

.btn-primary:hover {
  background: var(--accent-deep);
  color: #fff;
}

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

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

.btn-ghost[data-hover] {
  position: relative;
}

.btn-ghost[data-hover]::after {
  content: attr(data-hover);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.btn-ghost[data-hover]:hover {
  color: transparent;
}

.btn-ghost[data-hover]:hover::after {
  opacity: 1;
  color: var(--paper);
}

.hero-visual {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-top: clamp(1rem, 3vh, 2rem);
  border-top: 1px solid var(--line);
  background: #dfe8ef;
  min-height: 42vh;
  overflow: hidden;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 42vh;
  object-fit: cover;
  object-position: top center;
  filter: saturate(0.92) contrast(1.02);
}

/* —— Sections —— */
.section {
  padding: clamp(4rem, 10vh, 6.5rem) 0;
  border-top: 1px solid var(--line);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.section h2 {
  margin: 0 0 1rem;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: clamp(1.85rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.lede {
  margin: 0;
  max-width: 40rem;
  font-size: 1.15rem;
  color: var(--ink-soft);
}

.problem {
  background: linear-gradient(180deg, rgba(20, 33, 43, 0.03), transparent);
}

.problem .lede {
  font-size: 1.25rem;
}

/* —— Workflow —— */
.workflow {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  display: grid;
  gap: clamp(3rem, 8vh, 5rem);
}

.workflow-step {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

@media (min-width: 880px) {
  .workflow-step {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.5rem;
  }

  .workflow-step.reverse {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .workflow-step.reverse .workflow-copy {
    order: 2;
  }

  .workflow-step.reverse .workflow-shot {
    order: 1;
  }
}

.step-label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.workflow-copy h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.workflow-copy p {
  margin: 0;
  color: var(--ink-soft);
}

.workflow-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 18px 40px -28px var(--shadow);
  overflow: hidden;
}

.workflow-shot img {
  width: 100%;
}

/* —— Trust —— */
.trust-list {
  list-style: none;
  margin: 2.25rem 0 2.5rem;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .trust-list {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 2rem;
  }
}

.trust-list li {
  display: grid;
  gap: 0.25rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.trust-list strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.trust-list span {
  color: var(--ink-soft);
}

.trust-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 18px 40px -28px var(--shadow);
}

.trust-shot img {
  width: 100%;
  object-fit: cover;
  max-height: 420px;
  object-position: top center;
}

/* —— Close —— */
.close {
  background:
    linear-gradient(180deg, rgba(31, 111, 120, 0.1), rgba(31, 111, 120, 0.04));
}

.close-inner {
  text-align: left;
}

.close .lede a {
  font-weight: 600;
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
  background: var(--ink);
  color: #d7dde2;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.footer-brand {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 650;
  color: #f3eee4;
}

.footer-tag,
.footer-meta,
.footer-disclaimer {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
  color: #aeb8c1;
}

.site-footer a {
  color: #d7ebe8;
}

.site-footer a:hover {
  color: #fff;
}

.footer-disclaimer {
  margin-top: 1.25rem;
  max-width: 36rem;
  font-size: 0.85rem;
  line-height: 1.45;
}

/* —— Motion —— */
@keyframes grain-drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-4%, -3%, 0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.delay-1 {
  transition-delay: 80ms;
}
.delay-2 {
  transition-delay: 160ms;
}
.delay-3 {
  transition-delay: 240ms;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero::before {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover {
    transform: none;
  }
}

@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual,
  .hero-visual img {
    min-height: 28vh;
  }

  .brand {
    font-size: clamp(2.2rem, 11vw, 3rem);
  }
}