/* Sapphire Echo — Workflow AI Digital */
:root {
  --sapphire: #1e4a9a;
  --sapphire-deep: #0d1b3e;
  --sapphire-mid: #2f5fbf;
  --cyan-glass: #7ec8e3;
  --cyan-soft: #a8e0f0;
  --white-glow: #e8f7fc;
  --indigo: #1a2a6c;
  --indigo-shadow: #0a1428;
  --ink: #0f1c36;
  --ink-soft: #4a5a78;
  --surface: #eef4fb;
  --line: rgba(30, 74, 154, 0.14);
  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-body: "Sora", "Segoe UI", sans-serif;
  --space: clamp(1rem, 2vw, 1.75rem);
  --max: 70rem;
  --header-h: 4.1rem;
  --ease-crystal: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-wave: cubic-bezier(0.16, 1, 0.3, 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: 1.02rem;
  line-height: 1.65;
  letter-spacing: 0.01em;
  color: var(--ink);
  background:
    radial-gradient(ellipse 65% 50% at 8% -8%, rgba(126, 200, 227, 0.42), transparent 55%),
    radial-gradient(ellipse 50% 40% at 96% 5%, rgba(47, 95, 191, 0.22), transparent 50%),
    radial-gradient(ellipse 45% 35% at 70% 100%, rgba(26, 42, 108, 0.12), transparent 55%),
    linear-gradient(180deg, #f5f9fd 0%, var(--surface) 45%, #e4ecf7 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.35;
  background:
    linear-gradient(118deg, transparent 0%, rgba(232, 247, 252, 0.55) 30%, transparent 48%, rgba(126, 200, 227, 0.18) 70%, transparent 88%);
  background-size: 220% 100%;
  animation: sheenDrift 20s ease-in-out infinite alternate;
}

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

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

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.1rem, 5vw, 3.35rem); }
h2 { font-size: clamp(1.55rem, 3.2vw, 2.2rem); }
h3 { font-size: 1.3rem; }

.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(238, 244, 251, 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: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--sapphire-deep);
  text-decoration: none;
}

.brand:hover {
  color: var(--sapphire-mid);
}

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

.site-nav a {
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

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

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

.nav-toggle__bar {
  display: block;
  width: 1.35rem;
  height: 1.5px;
  margin: 0.3rem 0;
  background: var(--sapphire-deep);
  border-radius: 2px;
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(238, 244, 251, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--space) 1.25rem;
    display: none;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul {
    flex-direction: column;
    gap: 0.85rem;
  }
}

/* Buttons — crystalline waveform */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.7rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 0;
  border-radius: 0.55rem;
  cursor: pointer;
  color: var(--ink);
  background: transparent;
  isolation: isolate;
  transition:
    transform 0.4s var(--ease-crystal),
    box-shadow 0.4s var(--ease-crystal),
    color 0.25s;
}

.btn--sapphire {
  color: var(--white-glow);
  background:
    linear-gradient(145deg, var(--cyan-glass), var(--sapphire-mid) 45%, var(--indigo) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    inset 0 -2px 8px rgba(13, 27, 62, 0.25),
    0 12px 32px rgba(30, 74, 154, 0.28);
}

.btn--sapphire:hover {
  transform: translateY(-2px);
  color: #fff;
  text-decoration: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 16px 36px rgba(126, 200, 227, 0.35);
}

.btn--ghost {
  border: 1px solid rgba(30, 74, 154, 0.28);
  color: var(--sapphire-deep);
  background: rgba(232, 247, 252, 0.55);
}

.btn--ghost:hover {
  border-color: var(--cyan-glass);
  color: var(--sapphire);
  text-decoration: none;
  background: rgba(126, 200, 227, 0.22);
}

.text-link {
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--sapphire-mid);
}

.sapphire-wave {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  background:
    radial-gradient(circle, rgba(232, 247, 252, 0.7), rgba(126, 200, 227, 0.35) 40%, transparent 70%);
  box-shadow: 0 0 0 1px rgba(168, 224, 240, 0.4);
  transform: scale(0);
  animation: sapphireWave 0.9s var(--ease-wave) forwards;
}

@keyframes sapphireWave {
  0% { transform: scale(0); opacity: 0.9; }
  70% { opacity: 0.35; }
  100% { transform: scale(1); opacity: 0; }
}

/* Hero — crystal band (varied composition) */
.hero--crystal {
  position: relative;
  min-height: min(92vh, 52rem);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--sapphire-deep);
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  animation: heroDrift 28s ease-in-out infinite alternate;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(13, 27, 62, 0.35) 0%, rgba(13, 27, 62, 0.2) 38%, rgba(13, 27, 62, 0.88) 100%),
    linear-gradient(95deg, rgba(30, 74, 154, 0.45), transparent 50%, rgba(126, 200, 227, 0.15));
  pointer-events: none;
}

.hero__ripple {
  position: absolute;
  left: 12%;
  bottom: 18%;
  width: 42vmin;
  height: 42vmin;
  border-radius: 50%;
  border: 1px solid rgba(168, 224, 240, 0.35);
  box-shadow:
    0 0 0 24px rgba(126, 200, 227, 0.08),
    0 0 0 48px rgba(47, 95, 191, 0.06);
  animation: rippleExpand 8s ease-in-out infinite;
  pointer-events: none;
}

.hero__band {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.25fr);
  gap: clamp(1.25rem, 4vw, 3rem);
  align-items: end;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2rem, 6vh, 3.5rem) var(--space) clamp(2.5rem, 7vh, 4rem);
  animation: riseIn 1.05s var(--ease-crystal) both;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 8.2vw, 5.4rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin: 0;
  color: #fff;
  text-shadow: 0 8px 40px rgba(126, 200, 227, 0.35);
  max-width: 10ch;
}

.hero__copy {
  color: rgba(255, 255, 255, 0.92);
  padding-bottom: 0.35rem;
}

.hero__copy h1 {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2.1vw, 1.45rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.4;
  color: #fff;
  margin: 0 0 0.75rem;
  max-width: 24em;
}

.hero__copy p {
  margin: 0 0 1.35rem;
  color: rgba(232, 247, 252, 0.82);
  font-size: 1rem;
  max-width: 34em;
}

.hero__cta {
  margin: 0;
}

@media (max-width: 800px) {
  .hero__band {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .hero__brand {
    max-width: none;
  }
  .hero__ripple {
    opacity: 0.5;
  }
}

@keyframes heroDrift {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to { transform: scale(1.08) translate3d(-1.2%, 1%, 0); }
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(1.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes sheenDrift {
  from { background-position: 0% 50%; }
  to { background-position: 100% 50%; }
}

@keyframes rippleExpand {
  0%, 100% { transform: scale(1); opacity: 0.55; }
  50% { transform: scale(1.12); opacity: 0.9; }
}

@keyframes depthPulse {
  from { opacity: 0.4; transform: scale(1); }
  to { opacity: 0.85; transform: scale(1.06); }
}

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

.section--depth {
  position: relative;
}

.section--depth::before {
  content: "";
  position: absolute;
  right: 3%;
  top: 6%;
  width: 40%;
  height: 72%;
  background: radial-gradient(circle, rgba(126, 200, 227, 0.32), transparent 70%);
  pointer-events: none;
  z-index: -1;
  animation: depthPulse 11s ease-in-out infinite alternate;
}

.section--echo {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(232, 247, 252, 0.65), rgba(126, 200, 227, 0.12));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.section__head {
  margin-bottom: 2rem;
  max-width: 36em;
}

.section__head p,
.page-hero > p {
  color: var(--ink-soft);
}

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

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

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

.price-line {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.media-frame {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  box-shadow:
    0 0 0 1px rgba(126, 200, 227, 0.45),
    0 22px 48px rgba(13, 27, 62, 0.16);
  background: var(--sapphire-mid);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(232, 247, 252, 0.28), transparent 42%, rgba(30, 74, 154, 0.12));
  pointer-events: none;
}

.media-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-frame--sm img {
  aspect-ratio: 5 / 4;
}

.offer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.offer-list__item a {
  display: grid;
  grid-template-columns: 1.2fr 1.6fr auto;
  gap: 1rem;
  align-items: baseline;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: background 0.3s, padding-left 0.35s var(--ease-crystal);
}

.offer-list__item a:hover {
  padding-left: 0.45rem;
  background: linear-gradient(90deg, rgba(126, 200, 227, 0.2), transparent);
}

.offer-list__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--ink);
}

.offer-list__short {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.offer-list__meta {
  color: var(--sapphire-mid);
  font-size: 0.95rem;
  white-space: nowrap;
}

@media (max-width: 700px) {
  .offer-list__item a {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

.evidence {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.5rem;
}

.evidence li {
  padding: 1.25rem 0 1.25rem 1.25rem;
  border-left: 2px solid var(--cyan-glass);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.55), transparent);
  border-radius: 0 0.85rem 0.85rem 0;
}

.evidence h3 {
  margin: 0 0 0.4rem;
}

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

.quote {
  margin: 0;
  max-width: 40rem;
  padding: 1.5rem 0 1.5rem 1.5rem;
  border-left: 2px solid var(--sapphire-mid);
}

.quote p {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  font-weight: 500;
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 1rem;
}

.quote footer {
  color: var(--ink-soft);
  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: 1.1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) var(--space);
}

.page-hero__text .eyebrow,
.eyebrow {
  font-family: var(--font-body);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sapphire-mid);
  font-size: 0.78rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

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

.service-index {
  display: grid;
  gap: 2.5rem;
}

.service-index__row {
  display: grid;
  grid-template-columns: minmax(0, 280px) 1fr;
  gap: 1.5rem;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

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

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

.service-index__row h2 a:hover {
  color: var(--sapphire-mid);
}

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

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

.blog-index__link {
  display: grid;
  grid-template-columns: minmax(0, 280px) 1fr;
  gap: 1.35rem;
  text-decoration: none;
  color: inherit;
  align-items: center;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--line);
}

.blog-index__link img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 0.85rem;
  box-shadow: 0 0 0 1px rgba(126, 200, 227, 0.4);
}

.blog-index__link time {
  display: block;
  font-family: var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sapphire-mid);
  font-size: 0.78rem;
  margin-bottom: 0.35rem;
}

.blog-index__link h2 {
  margin: 0 0 0.4rem;
  font-size: 1.55rem;
  color: var(--ink);
}

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

.blog-index__link:hover h2 {
  color: var(--sapphire-mid);
}

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

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

.check-list li {
  padding-left: 1.1rem;
  position: relative;
  color: var(--ink-soft);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-glass), var(--sapphire));
}

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

.process-steps li {
  counter-increment: step;
  padding-left: 3.5rem;
  position: relative;
}

.process-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  color: var(--sapphire-mid);
}

.process-steps h2 {
  margin: 0 0 0.4rem;
  font-size: 1.45rem;
}

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

.prose p {
  max-width: 42rem;
  color: var(--ink-soft);
}

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

.prose.legal ul {
  color: var(--ink-soft);
}

.prose.legal code {
  font-size: 0.92em;
  background: rgba(232, 247, 252, 0.8);
  padding: 0.1em 0.35em;
  border-radius: 0.3rem;
}

/* Contact form */
.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 1.1rem;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.78), rgba(168, 224, 240, 0.28));
  border: 1px solid var(--line);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    0 16px 40px rgba(13, 27, 62, 0.08);
}

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

.form-field label {
  font-family: var(--font-body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink);
}

.form-field input,
.form-field textarea {
  font: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(30, 74, 154, 0.18);
  padding: 0.75rem 0.9rem;
  border-radius: 0.65rem;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 1px solid var(--cyan-glass);
  border-color: var(--sapphire-mid);
}

.form-field.is-invalid input,
.form-field.is-invalid textarea {
  border-color: #b85c5c;
}

.field-error,
.form-status--error {
  color: #9a4040;
  font-size: 0.92rem;
  margin: 0;
}

.form-status--success {
  color: var(--sapphire);
  margin: 0.5rem 0 0;
}

/* Footer */
.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(168, 224, 240, 0.28), rgba(30, 74, 154, 0.12));
  padding: 2.5rem var(--space) 1.5rem;
}

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

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.35rem;
  color: var(--ink);
}

.site-footer p {
  margin: 0.25rem 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

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

.site-footer__legal a {
  text-decoration: none;
  font-family: var(--font-body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 500;
}

.site-footer__copy {
  max-width: var(--max);
  margin: 2rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.85rem;
}

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

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: var(--space);
  right: var(--space);
  bottom: var(--space);
  z-index: 50;
  max-width: 36rem;
  margin: 0 auto;
  padding: 1.15rem 1.25rem;
  border-radius: 1rem;
  background:
    linear-gradient(160deg, rgba(238, 244, 251, 0.97), rgba(168, 224, 240, 0.45));
  border: 1px solid rgba(47, 95, 191, 0.35);
  box-shadow: 0 18px 50px rgba(13, 27, 62, 0.22);
}

.cookie-banner__inner {
  display: grid;
  gap: 1rem;
}

.cookie-banner p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem var(--space);
}

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

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