/* Sapphire Echo — NextGen Web API Digital */
:root {
  --sapphire: #1e4fbf;
  --sapphire-deep: #0b1b3a;
  --sapphire-mid: #2a5fd4;
  --cyan-glass: #7eb8ff;
  --cyan-soft: #a8e0ff;
  --white-hl: #e8f4ff;
  --indigo: #1a2a5c;
  --indigo-shadow: #0a1428;
  --ink: #0e1a33;
  --ink-soft: #2c3d5c;
  --muted: #5a6d8a;
  --surface: rgba(232, 244, 255, 0.55);
  --line: rgba(30, 79, 191, 0.16);
  --font-display: "Syne", "Segoe UI", sans-serif;
  --font-body: "DM Sans", "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);
  --radius: 0.65rem;
}

*,
*::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 50% 38% at 8% 0%, rgba(126, 184, 255, 0.38), transparent 55%),
    radial-gradient(ellipse 42% 32% at 92% 6%, rgba(42, 95, 212, 0.22), transparent 50%),
    radial-gradient(ellipse 55% 45% at 50% 100%, rgba(26, 42, 92, 0.12), transparent 55%),
    linear-gradient(165deg, #f3f8ff 0%, #e4eefc 45%, #d5e4f8 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.4;
  background:
    repeating-linear-gradient(
      -18deg,
      transparent 0,
      transparent 28px,
      rgba(126, 184, 255, 0.04) 28px,
      rgba(126, 184, 255, 0.04) 29px
    );
}

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

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

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

h1 { font-size: clamp(2rem, 4.8vw, 3.15rem); }
h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h3 { font-size: 1.2rem; }

.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(18px);
  background: rgba(232, 244, 255, 0.78);
  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: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--sapphire-deep);
  text-decoration: none;
  max-width: 15rem;
  line-height: 1.2;
}

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

.site-nav ul {
  display: flex;
  gap: 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink-soft);
  border-radius: 0.4rem;
  padding: 0.35rem 0.5rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--sapphire-deep);
  background: rgba(126, 184, 255, 0.28);
}

.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(--ink);
  border-radius: 2px;
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(232, 244, 255, 0.97);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-crystal);
  }
  .site-nav.is-open { max-height: 20rem; }
  .site-nav ul {
    flex-direction: column;
    padding: 1rem var(--space) 1.4rem;
    gap: 0.7rem;
  }
}

/* Buttons — crystalline waveform */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 0.45rem;
  padding: 0.85rem 1.5rem;
  cursor: pointer;
  transition:
    transform 0.35s var(--ease-crystal),
    box-shadow 0.35s var(--ease-crystal),
    background 0.35s;
}

.btn--sapphire {
  color: var(--white-hl);
  background:
    linear-gradient(145deg, var(--cyan-glass) 0%, var(--sapphire-mid) 42%, var(--sapphire) 78%, var(--indigo) 100%);
  background-size: 180% 180%;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 10px 28px rgba(11, 27, 58, 0.28);
  animation: sapphireShift 11s ease-in-out infinite alternate;
}

.btn--sapphire::before,
.btn--sapphire::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.6rem;
  height: 0.6rem;
  border: 1.5px solid rgba(168, 224, 255, 0.55);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(1);
  opacity: 0;
  pointer-events: none;
}

.btn--sapphire:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    0 14px 34px rgba(30, 79, 191, 0.4);
}

.btn--sapphire:hover::before {
  animation: crystalWave 1.4s var(--ease-crystal) forwards;
}

.btn--sapphire:hover::after {
  animation: crystalWave 1.4s 0.18s var(--ease-crystal) forwards;
}

.btn--sapphire.is-wave::before {
  animation: crystalWave 1.2s var(--ease-crystal) forwards;
}

.btn--sapphire.is-wave::after {
  animation: crystalWave 1.2s 0.15s var(--ease-crystal) forwards;
}

@keyframes sapphireShift {
  from { background-position: 0% 40%; }
  to { background-position: 100% 60%; }
}

@keyframes crystalWave {
  0% { opacity: 0.7; width: 0.6rem; height: 0.6rem; }
  100% { opacity: 0; width: 14rem; height: 14rem; }
}

.btn--ghost {
  color: var(--ink);
  background: rgba(232, 244, 255, 0.5);
  border-color: rgba(30, 79, 191, 0.28);
}

.btn--ghost:hover {
  color: var(--sapphire-deep);
  border-color: var(--cyan-glass);
  background: rgba(126, 184, 255, 0.22);
}

.text-link {
  font-family: var(--font-display);
  font-weight: 700;
  text-decoration: none;
  color: var(--sapphire);
}

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

/* Hero — crystal panel + full-bleed media */
.hero--crystal {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  overflow: hidden;
}

.hero__media {
  position: relative;
  min-height: 100%;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  animation: crystalDrift 24s ease-in-out infinite alternate;
}

.hero__facet {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(11, 27, 58, 0.15) 0%, transparent 40%),
    linear-gradient(0deg, rgba(11, 27, 58, 0.45) 0%, transparent 55%),
    linear-gradient(90deg, rgba(126, 184, 255, 0.2), transparent 50%);
  mix-blend-mode: soft-light;
}

.hero__glass {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero__ripple {
  position: absolute;
  border: 1px solid rgba(168, 224, 255, 0.28);
  border-radius: 50%;
  left: 62%;
  top: 42%;
  width: 8rem;
  height: 8rem;
  transform: translate(-50%, -50%);
  animation: rippleExpand 8s ease-out infinite;
}

.hero__ripple--b {
  animation-delay: 2.4s;
  left: 68%;
  top: 48%;
}

.hero__ripple--c {
  animation-delay: 4.8s;
  left: 55%;
  top: 38%;
}

.hero__panel {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.2rem, 6vw, 4.5rem) var(--space);
  background:
    linear-gradient(160deg, rgba(11, 27, 58, 0.94) 0%, rgba(26, 42, 92, 0.9) 55%, rgba(30, 79, 191, 0.85) 100%);
  color: var(--white-hl);
  animation: panelIn 1.1s var(--ease-crystal) both;
  box-shadow:
    inset -1px 0 0 rgba(168, 224, 255, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: #fff;
  margin: 0 0 1.1rem;
  line-height: 1.02;
  max-width: 12ch;
  text-shadow: 0 8px 36px rgba(0, 0, 0, 0.35);
}

.hero__panel h1 {
  margin: 0 0 0.9rem;
  max-width: 26ch;
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  font-weight: 500;
  font-family: var(--font-body);
  letter-spacing: 0.01em;
  color: rgba(232, 244, 255, 0.92);
}

.hero__lead {
  margin: 0 0 1.6rem;
  max-width: 32rem;
  color: rgba(168, 224, 255, 0.88);
  font-weight: 400;
  font-size: 1.05rem;
}

@keyframes panelIn {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes crystalDrift {
  from { transform: scale(1.04); }
  to { transform: scale(1.1); }
}

@keyframes rippleExpand {
  0% { opacity: 0.55; width: 4rem; height: 4rem; }
  100% { opacity: 0; width: 28rem; height: 28rem; }
}

@media (max-width: 900px) {
  .hero--crystal {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero__media {
    min-height: 42vh;
    order: -1;
  }
  .hero__brand { max-width: none; }
  .hero__ripple { left: 50%; top: 40%; }
}

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

.section--sapphire {
  background:
    linear-gradient(120deg, rgba(232, 244, 255, 0.85), rgba(126, 184, 255, 0.18));
  border-block: 1px solid var(--line);
  max-width: none;
  padding-inline: 0;
}

.section--sapphire > * {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--space);
}

.section--cyan {
  background:
    linear-gradient(115deg, rgba(126, 184, 255, 0.2), rgba(30, 79, 191, 0.08));
  border-block: 1px solid var(--line);
  max-width: none;
}

.section--cyan > * {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--space);
}

.section__head {
  margin-bottom: 2rem;
  max-width: 38rem;
}

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

.section__kicker {
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--sapphire);
  margin: 0 0 0.5rem;
}

.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: 0.8rem;
  margin-top: 1.75rem;
}

.price-line {
  font-family: var(--font-display);
  color: var(--ink-soft);
  font-weight: 700;
}

.media-frame {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(11, 27, 58, 0.16);
  position: relative;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(126, 184, 255, 0.18), rgba(26, 42, 92, 0.12));
  pointer-events: none;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--sm { max-width: 18rem; }

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

.offer-rail li a {
  display: grid;
  grid-template-columns: 9rem 1fr;
  grid-template-rows: auto auto;
  gap: 0.35rem 1.5rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  border-radius: 0.4rem;
  transition: padding-left 0.35s var(--ease-crystal), background 0.25s;
}

.offer-rail li a:hover {
  padding-left: 0.6rem;
  background: linear-gradient(90deg, rgba(126, 184, 255, 0.2), transparent);
}

.offer-rail__meta {
  grid-row: 1 / 3;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sapphire);
  align-self: center;
}

.offer-rail__title {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  font-size: 1.15rem;
}

.offer-rail__short {
  color: var(--muted);
  font-size: 0.95rem;
  grid-column: 2;
}

.offer-rail__price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--sapphire-deep);
  grid-column: 2;
  font-size: 0.95rem;
}

@media (max-width: 700px) {
  .offer-rail li a { grid-template-columns: 1fr; }
  .offer-rail__meta { grid-row: auto; }
  .offer-rail__short,
  .offer-rail__price { grid-column: 1; }
}

.evidence {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  counter-reset: ev;
}

.evidence li {
  padding-top: 0.5rem;
  border-top: 2px solid rgba(126, 184, 255, 0.65);
}

.evidence li::before {
  counter-increment: ev;
  content: "0" counter(ev);
  display: block;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  color: var(--sapphire);
  margin-bottom: 0.6rem;
  font-weight: 800;
}

.evidence h3 { margin: 0 0 0.5rem; }
.evidence p { margin: 0; color: var(--muted); }

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

.quote {
  margin: 0;
  max-width: 42rem;
  padding: 1.5rem 0 1.5rem 1.5rem;
  border-left: 3px solid var(--cyan-glass);
  border-radius: 0 0.5rem 0.5rem 0;
  background: linear-gradient(90deg, rgba(126, 184, 255, 0.12), transparent);
}

.quote p {
  font-size: 1.18rem;
  font-weight: 400;
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.quote footer {
  font-family: var(--font-display);
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.page-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.2rem, 5vw, 3.5rem) var(--space) 1rem;
}

.page-hero--media {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding-bottom: 2rem;
}

.eyebrow {
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--sapphire);
  margin: 0 0 0.5rem;
}

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

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

.service-index__row,
.blog-index__item a {
  display: grid;
  grid-template-columns: 16rem 1fr;
  gap: 1.5rem;
  align-items: center;
}

.blog-index__item a {
  text-decoration: none;
  color: inherit;
}

.blog-index__item time {
  font-family: var(--font-display);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

@media (max-width: 700px) {
  .service-index__row,
  .blog-index__item a {
    grid-template-columns: 1fr;
  }
  .media-frame--sm { max-width: none; }
}

.prose p { max-width: 42rem; }
.prose.legal h2 { margin-top: 2rem; }
.prose code {
  font-size: 0.9em;
  background: rgba(126, 184, 255, 0.25);
  padding: 0.1em 0.35em;
  border-radius: 0.3rem;
}

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

.check-list li {
  padding-left: 1.4rem;
  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(--cyan-glass), var(--sapphire));
}

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

.process-steps li {
  padding: 1.25rem 1.25rem 1.25rem 4.5rem;
  position: relative;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.process-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 1.1rem;
  top: 1.2rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--sapphire);
}

.process-steps h2 { margin: 0 0 0.5rem; font-size: 1.28rem; }
.process-steps p { margin: 0; color: var(--muted); }

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}

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

.form-field label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.form-field input,
.form-field textarea {
  font: inherit;
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(30, 79, 191, 0.22);
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(126, 184, 255, 0.65);
  outline-offset: 1px;
}

.form-field.is-invalid input,
.form-field.is-invalid textarea {
  border-color: #a14b3c;
}

.field-error {
  margin: 0;
  color: #a14b3c;
  font-size: 0.9rem;
}

.form-status { margin: 0.4rem 0 0; }
.form-status--success { color: #2d6b52; }
.form-status--error { color: #a14b3c; }

.error-page {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 12vw, 7rem) var(--space);
  text-align: center;
}

.site-footer {
  margin-top: 2rem;
  padding: 2.5rem var(--space) 1.5rem;
  background:
    linear-gradient(180deg, rgba(26, 42, 92, 0.97), var(--sapphire-deep));
  color: var(--white-hl);
}

.site-footer a { color: var(--cyan-soft); }
.site-footer a:hover { color: #fff; }

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1.4fr auto;
  gap: 1.5rem;
}

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 0 0.35rem;
}

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

.site-footer__copy {
  max-width: var(--max);
  margin: 1.75rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(232, 244, 255, 0.15);
  font-size: 0.9rem;
  color: rgba(232, 244, 255, 0.65);
}

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

.cookie-banner {
  position: fixed;
  left: var(--space);
  right: var(--space);
  bottom: var(--space);
  z-index: 50;
  max-width: 40rem;
  margin-inline: auto;
  padding: 1.1rem 1.2rem;
  background: rgba(232, 244, 255, 0.96);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(11, 27, 58, 0.2);
  backdrop-filter: blur(12px);
}

.cookie-banner__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.cookie-banner p { margin: 0; color: var(--ink-soft); flex: 1 1 14rem; }

.cookie-banner__actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}