/* Mercury Horizon — Software Engineering Edge */
:root {
  --silver: #c5ccd4;
  --silver-bright: #e8ecf0;
  --peach: #f0c4a8;
  --peach-deep: #e8a882;
  --gold: #d4b896;
  --gold-soft: rgba(212, 184, 150, 0.45);
  --graphite: #3a3f47;
  --graphite-deep: #2a2e34;
  --ink: #2a2e34;
  --ink-soft: #4a5058;
  --muted: #6a717a;
  --surface: rgba(232, 236, 240, 0.78);
  --line: rgba(58, 63, 71, 0.14);
  --mercury-glow: rgba(197, 204, 212, 0.55);
  --peach-glow: rgba(240, 196, 168, 0.4);
  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Nunito Sans", "Segoe UI", sans-serif;
  --space: clamp(1rem, 2vw, 1.75rem);
  --max: 70rem;
  --header-h: 4.1rem;
  --ease-liquid: cubic-bezier(0.34, 1.3, 0.64, 1);
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.65;
  letter-spacing: 0.01em;
  color: var(--ink);
  background:
    radial-gradient(ellipse 55% 40% at 12% 0%, rgba(240, 196, 168, 0.35), transparent 55%),
    radial-gradient(ellipse 48% 36% at 88% 8%, rgba(212, 184, 150, 0.28), transparent 50%),
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(197, 204, 212, 0.4), transparent 55%),
    linear-gradient(175deg, #f4f6f8 0%, var(--silver-bright) 42%, #d8dee6 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  background:
    linear-gradient(
      105deg,
      transparent 0%,
      rgba(255, 255, 255, 0.18) 28%,
      transparent 42%,
      rgba(240, 196, 168, 0.12) 58%,
      transparent 72%,
      rgba(212, 184, 150, 0.1) 88%,
      transparent 100%
    );
  background-size: 220% 100%;
  animation: mercuryFlow 22s ease-in-out infinite;
}

@keyframes mercuryFlow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
}

main,
.site-header,
.site-footer,
.cookie-banner {
  position: relative;
  z-index: 1;
}

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

a {
  color: var(--graphite);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.25s var(--ease-soft);
}

a:hover {
  color: var(--peach-deep);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--graphite-deep);
}

h1 { font-size: clamp(2.2rem, 5.2vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.45rem, 2.8vw, 2.1rem); }
h3 { font-size: 1.22rem; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(232, 236, 240, 0.82);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.8rem var(--space);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--graphite-deep);
  text-decoration: none;
  max-width: 18rem;
  line-height: 1.2;
}

.brand:hover {
  color: var(--peach-deep);
}

.site-nav ul {
  display: flex;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink-soft);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--peach-deep);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.4rem;
  height: 2px;
  margin: 0.28rem 0;
  background: var(--graphite);
  border-radius: 2px;
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(232, 236, 240, 0.97);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--ease-soft);
  }
  .site-nav.is-open { max-height: 20rem; }
  .site-nav ul {
    flex-direction: column;
    padding: 1rem var(--space) 1.4rem;
    gap: 0.9rem;
  }
}

/* Buttons — liquid depression */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.9rem 1.55rem;
  cursor: pointer;
  transition:
    transform 0.35s var(--ease-liquid),
    box-shadow 0.35s var(--ease-liquid),
    background 0.35s var(--ease-soft),
    border-radius 0.35s var(--ease-liquid);
}

.btn--mercury {
  color: var(--silver-bright);
  background:
    linear-gradient(135deg, var(--graphite) 0%, #505860 40%, var(--peach-deep) 100%);
  box-shadow:
    0 10px 28px rgba(42, 46, 52, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn--mercury:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow:
    0 14px 34px var(--peach-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn--mercury.is-pressed,
.btn--mercury:active {
  transform: scale(0.94) translateY(2px);
  border-radius: 1.4rem;
  box-shadow:
    inset 0 8px 18px rgba(42, 46, 52, 0.45),
    inset 0 -2px 6px rgba(255, 255, 255, 0.15),
    0 2px 8px rgba(42, 46, 52, 0.15);
}

.btn--ghost {
  color: var(--graphite);
  background: rgba(255, 255, 255, 0.45);
  border-color: var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.7);
  color: var(--graphite-deep);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Hero — diagonal mercury edge over full-bleed plane (anti-duplicate) */
.hero-edge {
  position: relative;
  overflow: hidden;
  min-height: min(94vh, 54rem);
  display: grid;
  align-items: end;
}

.hero-edge__plane {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-edge__plane img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05) brightness(0.9);
}

.hero-edge__sheen {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(42, 46, 52, 0.55) 0%, rgba(42, 46, 52, 0.15) 42%, transparent 62%),
    linear-gradient(180deg, transparent 40%, rgba(240, 196, 168, 0.25) 100%),
    linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  background-size: 100% 100%, 100% 100%, 200% 100%;
  animation: sheenSweep 18s ease-in-out infinite;
  pointer-events: none;
}

@keyframes sheenSweep {
  0%, 100% { background-position: 0 0, 0 0, 0% 0; }
  50% { background-position: 0 0, 0 0, 100% 0; }
}

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

.hero-edge__copy {
  position: relative;
  z-index: 1;
  width: min(100%, 42rem);
  margin: 0;
  padding: clamp(2rem, 6vw, 4rem) var(--space) clamp(2.5rem, 7vw, 4.5rem);
  clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%);
  background:
    linear-gradient(
      155deg,
      rgba(232, 236, 240, 0.94) 0%,
      rgba(197, 204, 212, 0.9) 48%,
      rgba(240, 196, 168, 0.82) 100%
    );
  border-right: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow:
    24px 0 60px rgba(42, 46, 52, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(14px);
  display: grid;
  gap: 0.9rem;
  animation: edgeSlide 1s var(--ease-soft) both;
}

@keyframes edgeSlide {
  from { opacity: 0; transform: translateX(-1.5rem); }
  to { opacity: 1; transform: translateX(0); }
}

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

.hero-edge__brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6.5vw, 4.2rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--graphite-deep);
}

.hero-edge__copy h1 {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--graphite-deep);
}

.hero-edge__lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 34rem;
}

.hero-edge__copy .btn {
  justify-self: start;
  margin-top: 0.25rem;
}

/* Sections */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--space);
}

.section--mercury {
  background:
    linear-gradient(135deg, rgba(197, 204, 212, 0.35), rgba(240, 196, 168, 0.18));
  border-block: 1px solid var(--line);
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.section--mercury > .section__grid,
.section--mercury > .section__head,
.section--mercury > .section__cta,
.section--mercury > ol,
.section--mercury > .prose {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

.section--peach {
  background:
    radial-gradient(ellipse 60% 80% at 100% 50%, rgba(240, 196, 168, 0.28), transparent 60%),
    rgba(255, 255, 255, 0.35);
  max-width: none;
}

.section--peach > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

.section__grid--split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

@media (max-width: 800px) {
  .section__grid--split {
    grid-template-columns: 1fr;
  }
}

.section__kicker,
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--peach-deep);
  margin: 0 0 0.6rem;
}

.section__head {
  margin-bottom: 2rem;
  max-width: 40rem;
}

.section__head p {
  color: var(--muted);
}

.section__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.price-line {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--graphite);
}

.text-link {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.media-frame {
  margin: 0;
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow:
    0 20px 50px rgba(42, 46, 52, 0.12),
    inset 0 0 0 1px rgba(255, 255, 255, 0.4);
  background: var(--silver);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 4;
}

.media-frame--sm img {
  aspect-ratio: 4 / 3;
}

/* Offer rail */
.offer-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.offer-rail li {
  border-bottom: 1px solid var(--line);
}

.offer-rail a {
  display: grid;
  grid-template-columns: 8rem 1fr auto;
  gap: 1rem;
  align-items: baseline;
  padding: 1.35rem 0;
  text-decoration: none;
  color: inherit;
  transition: background 0.25s var(--ease-soft), padding-left 0.25s var(--ease-soft);
}

.offer-rail a:hover {
  background: rgba(255, 255, 255, 0.4);
  padding-left: 0.6rem;
}

.offer-rail__meta {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--muted);
}

.offer-rail__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
}

.offer-rail__short {
  grid-column: 2;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.offer-rail__price {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--peach-deep);
  white-space: nowrap;
}

@media (max-width: 720px) {
  .offer-rail a {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .offer-rail__short { grid-column: 1; }
}

.evidence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
  counter-reset: evidence;
}

.evidence li {
  counter-increment: evidence;
  padding-left: 3rem;
  position: relative;
}

.evidence li::before {
  content: counter(evidence, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--gold);
}

.evidence h3 { margin: 0 0 0.4rem; }
.evidence p { margin: 0; color: var(--ink-soft); }

.quote {
  margin: 0;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 1.5rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.65), rgba(197, 204, 212, 0.35));
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.quote p {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.45;
  margin: 0 0 1rem;
}

.quote footer {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Page heroes */
.page-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) var(--space) 1rem;
}

.page-hero--media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding-bottom: 2rem;
}

@media (max-width: 800px) {
  .page-hero--media {
    grid-template-columns: 1fr;
  }
}

.page-hero h1 { margin: 0.3rem 0 0.8rem; }
.page-hero p { color: var(--ink-soft); max-width: 40rem; }

/* Services index */
.service-index {
  display: grid;
  gap: 2rem;
}

.service-index__row {
  display: grid;
  grid-template-columns: minmax(0, 16rem) 1fr;
  gap: 1.5rem;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 700px) {
  .service-index__row {
    grid-template-columns: 1fr;
  }
}

.service-index__row h2 {
  margin: 0 0 0.5rem;
  font-size: 1.45rem;
}

.service-index__row h2 a {
  text-decoration: none;
  color: var(--graphite-deep);
}

.service-index__row h2 a:hover {
  color: var(--peach-deep);
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.check-list li {
  padding-left: 1.5rem;
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--peach), var(--gold));
  box-shadow: 0 0 0 3px rgba(240, 196, 168, 0.25);
}

.prose p {
  max-width: 42rem;
}

.prose.legal h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

/* Process steps */
.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}

.process-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.5rem;
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.process-steps .step-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--peach-deep);
  min-width: 2.5rem;
}

.process-steps h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}

.process-steps p {
  margin: 0;
  color: var(--ink-soft);
}

/* Blog */
.blog-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}

.blog-index__item a {
  display: grid;
  grid-template-columns: minmax(0, 16rem) 1fr;
  gap: 1.5rem;
  text-decoration: none;
  color: inherit;
  align-items: center;
}

@media (max-width: 700px) {
  .blog-index__item a {
    grid-template-columns: 1fr;
  }
}

.blog-index time {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--muted);
}

.blog-index h2 {
  margin: 0.35rem 0;
  font-size: 1.35rem;
}

.blog-index p {
  margin: 0;
  color: var(--ink-soft);
}

/* Contact form */
.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 1.35rem;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.7), rgba(197, 204, 212, 0.3));
  border: 1px solid var(--line);
  box-shadow:
    0 18px 40px rgba(42, 46, 52, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.form-field {
  display: grid;
  gap: 0.35rem;
}

.form-field label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
}

.form-field input,
.form-field textarea {
  font: inherit;
  color: var(--ink);
  padding: 0.75rem 0.9rem;
  border-radius: 0.85rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--peach-deep);
  box-shadow: 0 0 0 3px rgba(240, 196, 168, 0.35);
}

.form-field.is-invalid input,
.form-field.is-invalid textarea {
  border-color: #b3544a;
}

.field-error {
  margin: 0;
  color: #9a3f36;
  font-size: 0.88rem;
}

.form-status {
  margin: 0.4rem 0 0;
  font-weight: 600;
}

.form-status--success { color: #2f6b52; }
.form-status--error { color: #9a3f36; }

/* Footer */
.site-footer {
  margin-top: 3rem;
  padding: 2.5rem var(--space) 1.5rem;
  background:
    linear-gradient(180deg, transparent, rgba(58, 63, 71, 0.06));
  border-top: 1px solid var(--line);
}

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1.75rem;
}

@media (max-width: 760px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

.site-footer__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
}

.site-footer__legal {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.site-footer__legal a {
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 500;
}

.site-footer__copy {
  max-width: var(--max);
  margin: 2rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  z-index: 60;
  left: var(--space);
  right: var(--space);
  bottom: var(--space);
  max-width: 34rem;
  margin: 0 auto;
  padding: 1.15rem 1.25rem;
  border-radius: 1.25rem;
  background:
    linear-gradient(145deg, rgba(42, 46, 52, 0.94), rgba(58, 63, 71, 0.92));
  color: var(--silver-bright);
  box-shadow: 0 20px 50px rgba(42, 46, 52, 0.35);
  border: 1px solid rgba(197, 204, 212, 0.25);
}

.cookie-banner a {
  color: var(--peach);
}

.cookie-banner__inner {
  display: grid;
  gap: 0.9rem;
}

.cookie-banner__inner p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.cookie-banner .btn--ghost {
  color: var(--silver-bright);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(197, 204, 212, 0.3);
}

.cookie-banner .btn--mercury {
  background: linear-gradient(135deg, var(--peach-deep), var(--gold));
  color: var(--graphite-deep);
}

.error-page {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 12vw, 8rem) var(--space);
  text-align: center;
}

.error-page h1 {
  margin-bottom: 0.75rem;
}

.error-page p {
  color: var(--ink-soft);
  max-width: 28rem;
  margin: 0 auto 1.5rem;
}