/* ================================================================
   eldem.io — landing page
   Palette: navy (#212E50, #1B2B48), blue accent (#2C78C5),
   slate (#68718E), black (#000000).
   ================================================================ */

:root {
  --paper: #f4f6fb;
  --paper-soft: #e8ecf6;
  --ink: #000000;
  --ink-soft: #68718e;
  --pine: #212e50;
  --pine-deep: #1b2b48;
  --amber: #2c78c5;
  --amber-soft: #a8caec;
  --cream-line: #d0d6ea;
  --white: #ffffff;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Instrument Sans", "Helvetica Neue", sans-serif;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 2px 6px rgba(33, 46, 80, 0.07), 0 18px 40px -18px rgba(33, 46, 80, 0.18);
  --container: 1160px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 780px; }

/* ---------------- typography helpers ---------------- */

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}
.eyebrow--light { color: var(--amber-soft); }

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin-bottom: 40px;
  max-width: 620px;
}
.section-title--light { color: var(--white); }

/* ---------------- buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--pine);
  color: var(--white);
  box-shadow: 0 10px 24px -10px rgba(33, 46, 80, 0.55);
}
.btn--primary:hover { background: var(--pine-deep); }

.btn--outline {
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}
.btn--outline:hover { background: rgba(44, 120, 197, 0.06); }

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

.btn--light {
  background: var(--amber);
  color: var(--pine-deep);
  box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.4);
}
.btn--light:hover { background: #3a8fd4; }

.btn--outline-light {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}
.btn--outline-light:hover { background: rgba(255, 255, 255, 0.1); }

.btn--lg { padding: 17px 34px; font-size: 17px; }
.btn--sm { padding: 10px 20px; font-size: 15px; }
.btn--block { width: 100%; }

/* ---------------- nav ---------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 246, 251, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cream-line);
}

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav__logo-dot { color: var(--amber); }

.nav__links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav__links a {
  text-decoration: none;
  font-weight: 500;
  font-size: 15.5px;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.nav__links a:hover { color: var(--ink); }

.nav__mobile-cta { display: none; }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav__signin {
  text-decoration: none;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--ink);
}
.nav__signin:hover { color: var(--amber); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav__burger span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------------- hero ---------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 120px;
  text-align: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(720px 420px at 18% -10%, rgba(44, 120, 197, 0.14), transparent 65%),
    radial-gradient(820px 480px at 85% 0%, rgba(33, 46, 80, 0.1), transparent 65%);
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--cream-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--cream-line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 0%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 0%, black 20%, transparent 75%);
}

.hero__inner { position: relative; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--cream-line);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  box-shadow: var(--shadow);
  margin-bottom: 34px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2c78c5;
  box-shadow: 0 0 0 0 rgba(44, 120, 197, 0.5);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(44, 120, 197, 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(44, 120, 197, 0); }
  100% { box-shadow: 0 0 0 0 rgba(44, 120, 197, 0); }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(44px, 8vw, 88px);
  line-height: 1.03;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}
.hero__title em {
  font-style: italic;
  color: var(--amber);
  position: relative;
}

.hero__lead {
  max-width: 720px;
  margin: 0 auto 14px;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--ink-soft);
}
.hero__lead strong { color: var(--ink); }

.hero__sub {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 40px;
}

.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero__trust {
  list-style: none;
  display: flex;
  gap: 26px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
}

/* ---------------- pain points ---------------- */

.pain { padding: 100px 0; }

.pain__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
}

.pain__card {
  background: var(--white);
  border: 1px solid var(--cream-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pain__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.pain__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  color: var(--amber);
  display: block;
  margin-bottom: 14px;
}
.pain__card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.25;
  margin-bottom: 10px;
}
.pain__card p {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}

/* ---------------- how it works ---------------- */

.how {
  background: var(--pine-deep);
  color: var(--white);
  padding: 110px 0;
  position: relative;
  overflow: hidden;
}
.how::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 400px at 80% 110%, rgba(44, 120, 197, 0.10), transparent 65%);
  pointer-events: none;
}

.how__steps {
  display: grid;
  grid-template-columns: 1fr 48px 1fr 48px 1fr;
  align-items: stretch;
  gap: 0;
  position: relative;
}

.how__step {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
}
.how__step-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 34px;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 20px;
}
.how__step h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  margin-bottom: 12px;
}
.how__step p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
  flex: 1;
}
.how__tag {
  margin-top: 20px;
  align-self: flex-start;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--amber);
  background: rgba(44, 120, 197, 0.10);
  border: 1px solid rgba(44, 120, 197, 0.35);
  border-radius: 999px;
  padding: 6px 14px;
}

.how__connector {
  align-self: center;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(44, 120, 197, 0.7) 0 6px, transparent 6px 12px);
}

/* ---------------- integrations ---------------- */

.integrations { padding: 100px 0 80px; text-align: center; }
.integrations .section-title { margin-inline: auto; }
.integrations__lead {
  max-width: 560px;
  margin: -14px auto 50px;
  color: var(--ink-soft);
}

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--cream-line);
  border-bottom: 1px solid var(--cream-line);
  padding: 26px 0;
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}
.marquee__track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee__track span {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink-soft);
  white-space: nowrap;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------------- features ---------------- */

.features { padding: 60px 0 110px; }

.features__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.feature {
  grid-column: span 3;
  background: var(--white);
  border: 1px solid var(--cream-line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature--wide { grid-column: span 3; }

.feature__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--paper-soft);
  border: 1px solid var(--cream-line);
  display: grid;
  place-items: center;
  font-size: 22px;
  color: var(--amber);
  margin-bottom: 22px;
}
.feature h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 23px;
  margin-bottom: 10px;
}
.feature p { color: var(--ink-soft); font-size: 15.5px; margin-bottom: 18px; }

.feature ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.feature li {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--paper-soft);
  border: 1px solid var(--cream-line);
  border-radius: 999px;
  padding: 5px 13px;
}

/* ---------------- comparison ---------------- */

.compare { padding: 0 0 110px; }

.compare__wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--cream-line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.compare__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.compare__table th,
.compare__table td {
  padding: 18px 24px;
  text-align: left;
  font-size: 15.5px;
  border-bottom: 1px solid var(--cream-line);
}
.compare__table thead th {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  padding-top: 24px;
}
.compare__table tbody tr:last-child th,
.compare__table tbody tr:last-child td { border-bottom: 0; }
.compare__table tbody th {
  font-weight: 600;
  color: var(--ink-soft);
  width: 22%;
}
.compare__table td { color: var(--ink-soft); }

.compare__hl {
  background: rgba(44, 120, 197, 0.10);
  color: var(--ink) !important;
  font-weight: 600;
}
.compare__table thead .compare__hl { color: var(--amber) !important; font-size: 20px; }

/* ---------------- pricing ---------------- */

.pricing {
  background: var(--paper-soft);
  padding: 110px 0;
  border-top: 1px solid var(--cream-line);
  border-bottom: 1px solid var(--cream-line);
}

.pricing__toggle {
  display: inline-flex;
  background: var(--white);
  border: 1px solid var(--cream-line);
  border-radius: 999px;
  padding: 5px;
  margin-bottom: 44px;
}
.pricing__toggle-btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-soft);
  background: transparent;
  border: 0;
  border-radius: 999px;
  padding: 10px 22px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.pricing__toggle-btn.is-active {
  background: var(--pine);
  color: var(--white);
}
.pricing__save {
  color: var(--amber);
  font-weight: 700;
  margin-left: 4px;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  align-items: stretch;
}

.plan {
  background: var(--white);
  border: 1px solid var(--cream-line);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.plan--featured {
  background: var(--pine-deep);
  color: var(--white);
  border-color: var(--pine-deep);
  box-shadow: 0 24px 50px -20px rgba(27, 43, 72, 0.5);
}
.plan__badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber);
  color: var(--pine-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 5px 16px;
  white-space: nowrap;
}
.plan__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  margin-bottom: 14px;
}
.plan__price { margin-bottom: 14px; }
.plan__amount {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 40px;
  letter-spacing: -0.02em;
}
.plan__period { font-size: 15px; color: inherit; opacity: 0.65; }
.plan__desc { font-size: 14.5px; opacity: 0.78; margin-bottom: 22px; }

.plan__list {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}
.plan__list li {
  font-size: 14.5px;
  padding: 7px 0 7px 26px;
  position: relative;
  border-bottom: 1px dashed rgba(104, 113, 142, 0.18);
}
.plan__list li:last-child { border-bottom: 0; }
.plan__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--amber);
  font-weight: 700;
}
.plan--featured .btn--primary {
  background: var(--amber);
  color: var(--pine-deep);
}
.plan--featured .btn--primary:hover { background: #3a8fd4; }

/* ---------------- blog ---------------- */

.blog { padding: 110px 0; }

.blog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.blog__card {
  background: var(--white);
  border: 1px solid var(--cream-line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.blog__card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.blog__date {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
}
.blog__card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.3;
  flex: 1;
}
.blog__more {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-soft);
}
.blog__card:hover .blog__more { color: var(--amber); }

/* ---------------- faq ---------------- */

.faq { padding: 0 0 110px; }

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq__item {
  background: var(--white);
  border: 1px solid var(--cream-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq__item summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  padding: 20px 52px 20px 24px;
  position: relative;
  transition: color 0.15s ease;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 400;
  color: var(--amber);
  transition: transform 0.2s ease;
}
.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__item summary:hover { color: var(--amber); }
.faq__item p {
  padding: 0 24px 22px;
  color: var(--ink-soft);
  font-size: 15.5px;
}
.faq__item a { color: var(--amber); font-weight: 600; }

/* ---------------- final cta ---------------- */

.cta-final {
  background: var(--pine-deep);
  color: var(--white);
  padding: 110px 0;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(640px 380px at 50% -20%, rgba(44, 120, 197, 0.16), transparent 70%);
}
.cta-final__inner { position: relative; text-align: center; }
.cta-final h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 5vw, 52px);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.cta-final__inner > p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  font-size: 17px;
}

/* ---------------- footer ---------------- */

.footer {
  background: var(--paper);
  border-top: 1px solid var(--cream-line);
  padding: 70px 0 0;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  flex-wrap: wrap;
  padding-bottom: 50px;
}
.footer__brand { max-width: 300px; }
.nav__logo--footer { font-size: 30px; }
.footer__brand p { color: var(--ink-soft); margin: 12px 0 16px; font-size: 15px; }
.footer__mail {
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1.5px solid var(--amber);
  padding-bottom: 1px;
}
.footer__mail:hover { color: var(--amber); }

.footer__links { display: flex; gap: 70px; flex-wrap: wrap; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 6px;
}
.footer__col a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 15px;
}
.footer__col a:hover { color: var(--amber); }

.footer__bottom {
  border-top: 1px solid var(--cream-line);
  padding-top: 22px;
  padding-bottom: 26px;
}
.footer__bottom p { font-size: 14px; color: var(--ink-soft); }

/* ---------------- reveal animations ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee__track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- responsive ---------------- */

@media (max-width: 960px) {
  .how__steps { grid-template-columns: 1fr; gap: 18px; }
  .how__connector { display: none; }
  .features__grid { grid-template-columns: 1fr; }
  .feature, .feature--wide { grid-column: span 1; }
}

@media (max-width: 820px) {
  .nav__links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--cream-line);
    flex-direction: column;
    gap: 4px;
    padding: 18px 24px 26px;
    margin: 0;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.22s ease, opacity 0.22s ease;
    box-shadow: 0 24px 40px -20px rgba(33, 46, 80, 0.25);
  }
  .nav__links.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .nav__links a { padding: 10px 0; font-size: 17px; }
  .nav__mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 14px;
  }
  .nav__mobile-cta a { text-align: center; }
  .nav__actions { display: none; }
  .nav__burger { display: flex; margin-left: auto; }
  .nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger.is-open span:nth-child(2) { opacity: 0; }
  .nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { padding: 70px 0 80px; }
  .pain, .how, .integrations, .features, .blog, .pricing, .cta-final { padding-top: 70px; padding-bottom: 70px; }
  .compare, .faq { padding-bottom: 70px; }
}