/* ============================================================
   THE ABYSS GROUP — styles
   Palette: navy base + teal accent. Display: Fraunces. Body: Inter.
   ============================================================ */

:root {
  --bg: #080e1c;
  --bg-soft: #0e1628;
  --bg-card: #111b33;
  --bg-card-hover: #15233f;
  --border: rgba(74, 196, 214, 0.14);
  --border-strong: rgba(74, 196, 214, 0.32);

  --text: #f0f4f8;
  --text-dim: #b2bed0;
  --text-faint: #7d8aa0;

  --teal: #4ac4d6;
  --teal-bright: #6fd6e4;
  --teal-deep: #01696f;
  --teal-deep-hover: #058086;

  --cream: #f3ece0;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --shadow-glow: 0 0 80px rgba(74, 196, 214, 0.18);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
}

/* ---------- reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 10px 14px;
  background: var(--teal);
  color: #001015;
  border-radius: 6px;
  font-weight: 600;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
  z-index: 999;
}

/* Keyboard focus */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 5.5vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 1.2rem;
  color: var(--text);
}
.display .accent {
  color: var(--teal);
  font-style: italic;
  font-weight: 400;
}

h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
}

h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem;
}

p {
  margin: 0 0 1rem;
  color: var(--text-dim);
}
p.lead {
  font-size: 1.17rem;
  line-height: 1.55;
  color: var(--text);
  max-width: 58ch;
}

strong {
  color: var(--text);
  font-weight: 600;
}

em {
  color: var(--text);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 1rem;
}

.inline-link {
  color: var(--teal-bright);
  border-bottom: 1px solid rgba(111, 214, 228, 0.4);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.inline-link:hover {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.82rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.97rem;
  letter-spacing: 0.01em;
  transition:
    transform 0.15s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    color 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--teal-deep);
  color: #fff;
  box-shadow: 0 6px 20px rgba(1, 105, 111, 0.35);
}
.btn--primary:hover {
  background: var(--teal-deep-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(1, 105, 111, 0.45);
}
.btn--ghost {
  background: transparent;
  border-color: rgba(240, 244, 248, 0.22);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
}
.btn--large {
  padding: 1.05rem 1.9rem;
  font-size: 1.02rem;
}
.btn__icon {
  height: 18px;
  width: auto;
}
.btn__icon--invert {
  filter: brightness(0) invert(1);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 14, 28, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}
.header.is-scrolled {
  background: rgba(8, 14, 28, 0.92);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.05rem 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--teal);
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 0.88rem;
}
.brand__mark {
  height: 28px;
  width: 28px;
  flex: none;
}
.brand__word {
  color: var(--text);
}
.nav {
  display: flex;
  gap: 1.8rem;
  margin-left: auto;
}
.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.3rem 0;
  transition: color 0.2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}
.nav a:hover,
.nav a.is-active {
  color: var(--text);
}
.nav a:hover::after,
.nav a.is-active::after {
  transform: scaleX(1);
}
.header__cta {
  margin-left: 0.4rem;
}
.nav__toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
  margin-left: auto;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px auto;
  transition: transform 0.25s, opacity 0.25s;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.8rem 4% 1.2rem;
  background: rgba(8, 14, 28, 0.98);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.mobile-menu[hidden] {
  display: none !important;
}
@media (max-width: 900px) {
  .mobile-menu:not([hidden]) {
    display: flex;
  }
}
.mobile-menu a {
  padding: 0.75rem 0.4rem;
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.mobile-menu .btn {
  margin-top: 0.8rem;
  align-self: flex-start;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(3rem, 7vw, 5.5rem);
  background:
    radial-gradient(1200px 600px at 85% 10%, rgba(74, 196, 214, 0.12), transparent 60%),
    radial-gradient(800px 400px at 10% 80%, rgba(1, 105, 111, 0.18), transparent 60%),
    var(--bg);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}
.hero__copy {
  max-width: 640px;
}
.hero__ctas {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

/* Decorative right-side visual (pure CSS — no external image) */
.hero__visual {
  position: relative;
  aspect-ratio: 1/1;
  max-width: 460px;
  margin-left: auto;
}
.hero__glow {
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 196, 214, 0.35), transparent 70%);
  filter: blur(30px);
}
.hero__rings {
  position: absolute;
  inset: 0;
}
.hero__rings span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(74, 196, 214, 0.28);
  animation: pulse 6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.hero__rings span:nth-child(2) {
  inset: 15%;
  animation-delay: 2s;
  border-color: rgba(74, 196, 214, 0.45);
}
.hero__rings span:nth-child(3) {
  inset: 30%;
  animation-delay: 4s;
  border-color: rgba(74, 196, 214, 0.6);
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.08); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__rings span { animation: none; }
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust {
  padding: 2.4rem 0;
  background: var(--bg-soft);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.trust__label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--text-faint);
  margin: 0 0 1.4rem;
}
.trust__logos {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-around;
  gap: 2rem;
}
.trust__logos img {
  height: 32px;
  max-width: 180px;
  width: auto;
  opacity: 0.78;
  filter: brightness(0) invert(1);
  transition: opacity 0.2s ease;
}
.trust__logos img:hover {
  opacity: 1;
}

/* ============================================================
   GENERIC SECTION
   ============================================================ */
.section {
  padding: clamp(4rem, 9vw, 7rem) 0;
}
.section--soft {
  background: var(--bg-soft);
}
.section__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.section__head {
  margin-bottom: 2.4rem;
}
.section__head--center {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}
.section__head--center .lead {
  margin-left: auto;
  margin-right: auto;
}
.section__body > p:last-of-type {
  margin-bottom: 1.6rem;
}

/* ============================================================
   BOOK
   ============================================================ */
.book__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.book__cover {
  position: relative;
  max-width: 360px;
  margin: 0 auto;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.55))
    drop-shadow(0 0 40px rgba(74, 196, 214, 0.18));
  transform: rotate(-1.5deg);
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.book__cover:hover {
  transform: rotate(0deg) translateY(-4px);
}
.book__cover img {
  border-radius: 4px;
}
.book__copy h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
}

/* ============================================================
   ADVISORY CARDS
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.8rem 2.2rem;
  transition:
    transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 0.3s,
    background 0.3s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.card__num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin: 0 0 1rem;
  font-weight: 600;
}
.card h3 {
  margin-bottom: 0.8rem;
}
.card__list {
  list-style: none;
  padding: 0;
  margin: 1.3rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.card__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.96rem;
  color: var(--text-dim);
  line-height: 1.5;
}
.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--teal);
  border-right: 0;
  border-top: 0;
  transform: rotate(-45deg);
}

/* ============================================================
   ENGAGEMENTS
   ============================================================ */
.engagements {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
  max-width: 960px;
  margin: 0 auto;
}
.engagement {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.9rem;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s;
}
.engagement:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}
.engagement header {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.engagement h3 {
  margin-bottom: 0.3rem;
}
.engagement__meta {
  font-size: 0.87rem;
  color: var(--teal);
  letter-spacing: 0.04em;
  margin: 0;
  font-weight: 500;
}

/* ============================================================
   CONNECT STRIP
   ============================================================ */
.connect {
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  background:
    linear-gradient(135deg, rgba(1, 105, 111, 0.22), rgba(74, 196, 214, 0.08)),
    var(--bg);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.connect__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
}
.connect h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}
.connect__links {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.connect__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1.2rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform 0.18s, background 0.2s, border-color 0.2s;
  color: var(--text);
}
.connect__chip:hover {
  transform: translateY(-2px);
  background: rgba(74, 196, 214, 0.1);
  border-color: var(--teal);
}
.connect__chip img {
  height: 20px;
  width: 20px;
}
.connect__chip--light {
  background: var(--cream);
  color: #111;
  border-color: var(--cream);
}
.connect__chip--light img {
  filter: none;
}
.connect__chip--light:hover {
  background: #fff;
  color: #000;
  border-color: #fff;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
  max-width: 760px;
  margin: 0 auto 2.4rem;
}
.contact__card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.6rem;
  text-align: center;
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}
.contact__card:hover {
  transform: translateY(-3px);
  border-color: var(--teal);
  background: var(--bg-card-hover);
}
.contact__label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--teal);
  text-transform: uppercase;
  margin: 0 0 0.45rem;
}
.contact__value {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.01em;
}
.contact__cta {
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #05091a;
  padding: 3.4rem 0 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: 2rem;
  align-items: flex-start;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.footer__brand {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  color: var(--teal);
}
.footer__name {
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 0.9rem;
  margin: 0 0 0.3rem;
}
.footer__tag {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 0;
  max-width: 36ch;
}
.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer__nav a {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer__nav a:hover {
  color: var(--teal);
}
.footer__social {
  display: flex;
  gap: 0.7rem;
}
.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #F3ECE0;
  border: 1px solid rgba(243, 236, 224, 0.9);
  transition: transform 0.2s, background 0.2s;
}
.footer__social a:hover {
  transform: translateY(-2px);
  background: #ffffff;
}
.footer__social img {
  height: 20px;
  width: 20px;
  object-fit: contain;
}
.footer__legal {
  padding-top: 1.4rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-faint);
}
.footer__legal a {
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer__legal a:hover {
  color: var(--teal);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero__visual {
    display: none;
  }
  .section__grid {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }
  .book__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .book__copy .lead,
  .book__copy p {
    text-align: left;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .engagements {
    grid-template-columns: 1fr;
  }
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }
  .nav,
  .header__cta {
    display: none;
  }
  .nav__toggle {
    display: inline-block;
  }
}
@media (max-width: 560px) {
  body {
    font-size: 16px;
  }
  .trust__logos {
    gap: 1.4rem;
  }
  .trust__logos img {
    height: 26px;
  }
  .connect__inner {
    justify-content: center;
    text-align: center;
  }
}