/* ============================================================
   CICERON INVESTMENT — Stylesheet
   Premium institutional real estate & fund management
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --color-navy: #0B2236;
  --color-deep-navy: #030817;
  --color-slate-navy: #1B2A3D;
  --color-gold: #8B7656;
  --color-light-gold: #A19077;
  --color-white-warm: #FEFEFE;
  --color-warm-grey: #E2DED8;

  /* Derived tones */
  --ink: var(--color-deep-navy);
  --muted: #5d6975;
  --muted-inverse: rgba(254, 254, 254, 0.62);
  --hairline: rgba(11, 34, 54, 0.12);
  --hairline-gold: rgba(139, 118, 86, 0.45);

  /* Type */
  --font-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;

  /* Rhythm */
  --container: 1240px;
  --gutter: clamp(1.5rem, 5vw, 5rem);
  --section-y: clamp(5rem, 11vw, 10rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--color-white-warm);
  line-height: 1.65;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

::selection {
  background: var(--color-navy);
  color: var(--color-white-warm);
}

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  background: var(--color-navy);
  color: #fff;
  padding: 0.75rem 1.25rem;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }

.alt-surface { background: var(--color-warm-grey); }

/* ---------- Typography ---------- */
.display {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.005em;
  color: var(--color-navy);
  font-size: clamp(2rem, 1.2rem + 3.4vw, 3.5rem);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.section-index {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-light-gold);
  padding-bottom: 0.1rem;
  border-bottom: 1px solid var(--hairline-gold);
}

.section-title { margin-bottom: clamp(2.5rem, 5vw, 4rem); max-width: 16ch; }

/* ---------- Rules / filets ---------- */
.rule {
  display: block;
  height: 1px;
  border: 0;
}
.rule-gold {
  width: 64px;
  background: var(--color-gold);
  margin-block: clamp(1.5rem, 3vw, 2.25rem);
}
.rule-gold-thin {
  width: 40px;
  background: var(--hairline-gold);
  margin-block: 1.25rem;
}

/* ---------- Buttons ---------- */
.btn {
  --btn-pad-y: 0.95rem;
  --btn-pad-x: 1.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: var(--btn-pad-y) var(--btn-pad-x);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 1px;
  cursor: pointer;
  transition: background-color 0.45s var(--ease),
              color 0.45s var(--ease),
              border-color 0.45s var(--ease);
  position: relative;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-navy);
  color: var(--color-white-warm);
  border-color: var(--color-navy);
}
.btn-primary:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
}

.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--hairline);
}
.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-ghost {
  background: transparent;
  color: var(--color-navy);
  border-color: transparent;
  padding-inline: 0.5rem;
}
.btn-ghost::after {
  content: "";
  position: absolute;
  left: 0.5rem; right: 0.5rem; bottom: 0.55rem;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.btn-ghost:hover { color: var(--color-gold); }
.btn-ghost:hover::after { transform: scaleX(1); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color 0.5s var(--ease),
              box-shadow 0.5s var(--ease),
              border-color 0.5s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(254, 254, 254, 0.92);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom-color: var(--hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 84px;
}

/* Brand lockup — faithful to the CICERON · INVESTMENT · LUXEMBOURG mark */
.brand {
  --s: 0.92;                 /* master scale for the whole lockup */
  --brand-ink: var(--color-deep-navy);
  --brand-sub-ink: var(--color-navy);
  --brand-place-ink: var(--color-gold);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  text-align: center;
}
.brand-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: calc(1.62rem * var(--s));
  letter-spacing: 0.1em;
  text-indent: 0.1em;        /* offset trailing tracking → optical centering */
  color: var(--brand-ink);
}
.brand-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(0.55rem * var(--s));
  width: 100%;
  margin: calc(0.34rem * var(--s)) 0 calc(0.36rem * var(--s));
}
.brand-rule::before,
.brand-rule::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--color-gold);
  opacity: 0.75;
}
.brand-diamond {
  flex: 0 0 auto;
  width: calc(6px * var(--s));
  height: calc(6px * var(--s));
  background: var(--color-gold);
  transform: rotate(45deg);
}
.brand-sub {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: calc(0.6rem * var(--s));
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  color: var(--brand-sub-ink);
}
.brand-tick {
  width: calc(18px * var(--s));
  height: 1px;
  background: var(--color-gold);
  opacity: 0.8;
  margin: calc(0.34rem * var(--s)) 0;
}
.brand-place {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: calc(0.54rem * var(--s));
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  color: var(--brand-place-ink);
}

/* Inverse variant — for the deep-navy footer */
.brand--inverse {
  --brand-ink: var(--color-white-warm);
  --brand-sub-ink: var(--color-white-warm);
  --brand-place-ink: var(--color-light-gold);
}

/* Nav */
.nav-list {
  display: flex;
  gap: clamp(1.4rem, 2.4vw, 2.6rem);
}
.nav-list a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-navy);
  position: relative;
  padding-block: 0.4rem;
  transition: color 0.35s var(--ease);
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav-list a:hover { color: var(--color-gold); }
.nav-list a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta { --btn-pad-y: 0.65rem; --btn-pad-x: 1.35rem; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: 0;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--color-navy);
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

/* Mobile nav panel */
.mobile-nav {
  position: fixed;
  inset: 84px 0 auto 0;
  background: var(--color-white-warm);
  border-bottom: 1px solid var(--hairline);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease);
}
.mobile-nav.open { max-height: 70vh; }
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.5rem var(--gutter) 2.5rem;
}
.mobile-nav a {
  display: block;
  padding: 0.85rem 0;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--color-navy);
  border-bottom: 1px solid var(--hairline);
}
.mobile-nav .btn { margin-top: 1.25rem; width: 100%; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 84px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 85% 10%, rgba(11, 34, 54, 0.05), transparent 60%),
    linear-gradient(180deg, var(--color-white-warm) 0%, #faf8f4 100%);
  z-index: -2;
}
/* Subtle architectural line motif */
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: clamp(120px, 14vw, 200px) 100%;
  opacity: 0.35;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 75%);
  mask-image: linear-gradient(90deg, transparent, #000 75%);
}

.hero-inner { position: relative; max-width: 60rem; }

.hero .eyebrow { margin-bottom: 1.75rem; }

.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.6rem, 1.1rem + 6vw, 5.5rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--color-navy);
}
.hero-title-accent {
  font-style: italic;
  font-weight: 400;
  color: var(--color-gold);
}

.hero-lead {
  max-width: 44ch;
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.25rem);
  color: var(--muted);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 1.5rem;
  margin-top: clamp(2rem, 4vw, 3rem);
}

.hero-scroll {
  position: absolute;
  left: var(--gutter);
  bottom: 2.25rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-scroll-line {
  width: 60px; height: 1px;
  background: var(--hairline-gold);
  position: relative;
  overflow: hidden;
}
.hero-scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 30%;
  background: var(--color-gold);
  animation: scrollSlide 2.6s var(--ease) infinite;
}
@keyframes scrollSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(330%); }
}

/* ============================================================
   PHILOSOPHY
   ============================================================ */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.philosophy-grid .display { max-width: 14ch; }
.philosophy-body p + p { margin-top: 1.25rem; }
.philosophy-body p { color: var(--muted); }

.philosophy-points { margin-top: 0.5rem; }
.philosophy-points li {
  position: relative;
  padding-left: 1.5rem;
  padding-block: 0.6rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.98rem;
  color: var(--color-slate-navy);
}
.philosophy-points li:last-child { border-bottom: 1px solid var(--hairline); }
.philosophy-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 1.15rem;
  width: 6px; height: 6px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

/* ============================================================
   EXPERTISE — cards
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
  border-left: 1px solid var(--hairline);
}
.card {
  padding: clamp(2rem, 3vw, 2.75rem) clamp(1.5rem, 2.2vw, 2.25rem);
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: transparent;
  transition: background-color 0.5s var(--ease), transform 0.5s var(--ease);
  position: relative;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.card:hover { background: var(--color-white-warm); }
.card:hover::before { transform: scaleX(1); }

.card-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-light-gold);
  letter-spacing: 0.05em;
}
.card h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.4rem;
  line-height: 1.2;
  color: var(--color-navy);
  margin-top: 1.5rem;
  margin-bottom: 0.9rem;
}
.card p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ============================================================
   KEY FIGURES
   ============================================================ */
.figures-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
}
.figure { display: flex; flex-direction: column; }
.figure-value {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(3rem, 2rem + 3.5vw, 4.75rem);
  line-height: 1;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}
.figure-unit {
  font-size: 0.42em;
  color: var(--color-gold);
  font-style: italic;
  margin-left: 0.1em;
}
.figure-label {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
  max-width: 18ch;
}
.figure-detail {
  margin-top: 0.7rem;
  font-size: 0.82rem;
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--color-gold);
  letter-spacing: 0.02em;
}

.figures-note {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  font-size: 0.78rem;
  font-style: italic;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ============================================================
   INVESTMENT APPROACH
   ============================================================ */
.approach-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  position: relative;
  padding-top: 2.5rem;
  border-top: 1px solid var(--hairline-gold);
}
.approach-step { position: relative; }
.approach-step::before {
  content: "";
  position: absolute;
  top: calc(-2.5rem - 1px);
  left: 0;
  width: 7px; height: 7px;
  background: var(--color-gold);
  transform: translateY(-50%) rotate(45deg);
}
.approach-step-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--color-light-gold);
}
.approach-step h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--color-navy);
  margin-top: 1rem;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}
.approach-step p {
  font-size: 0.9rem;
  color: var(--muted);
}

/* ============================================================
   LUXEMBOURG
   ============================================================ */
.luxembourg {
  position: relative;
  background: var(--color-navy);
  color: var(--color-white-warm);
  overflow: hidden;
}
.luxembourg-media {
  position: absolute;
  inset: 0 0 0 auto;
  width: 42%;
  background:
    linear-gradient(90deg, var(--color-navy) 0%, transparent 30%),
    linear-gradient(0deg, rgba(11,34,54,0.55), rgba(3,8,23,0.35)),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 64px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 48px),
    linear-gradient(135deg, #16314a, #0a1c2e);
}
.luxembourg-inner { position: relative; }
.luxembourg-content { max-width: 46rem; }
.luxembourg-content .section-index {
  color: var(--color-light-gold);
  border-color: var(--hairline-gold);
}
.luxembourg-content .eyebrow { margin-top: 1rem; }
.luxembourg-content .display { color: var(--color-white-warm); margin-top: 1rem; max-width: 18ch; }
.luxembourg-content p { color: var(--muted-inverse); max-width: 48ch; }
.luxembourg-content p + p { margin-top: 1.1rem; }

.luxembourg-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(254,254,254,0.14);
}
.luxembourg-points li {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--color-white-warm);
}
.luxembourg-points li span { color: var(--color-gold); margin-right: 0.6rem; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { text-align: center; }
.contact-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 42rem;
}
.contact .rule-gold { margin-inline: auto; }
.contact-lead {
  color: var(--muted);
  max-width: 44ch;
  margin-bottom: 2.5rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-deep-navy);
  color: var(--color-white-warm);
  padding-top: clamp(4rem, 7vw, 6rem);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  padding-bottom: clamp(3rem, 5vw, 4.5rem);
}
.footer-brand .brand { --s: 1.16; }

.footer-tagline {
  margin-top: 1.5rem;
  max-width: 30ch;
  color: var(--muted-inverse);
  font-size: 0.95rem;
}
.footer-nav h4, .footer-contact h4 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-light-gold);
  margin-bottom: 1.5rem;
}
.footer-nav li { margin-bottom: 0.75rem; }
.footer-nav a, .footer-contact a {
  font-size: 0.92rem;
  color: var(--muted-inverse);
  transition: color 0.35s var(--ease);
}
.footer-nav a:hover, .footer-contact a:hover { color: var(--color-gold); }
.footer-contact address {
  font-style: normal;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--muted-inverse);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-block: 1.75rem;
  border-top: 1px solid rgba(254,254,254,0.1);
  font-size: 0.78rem;
  color: var(--muted-inverse);
}
.footer-legal { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-legal a:hover { color: var(--color-gold); }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
/* Stagger children within a group */
.cards .reveal.is-visible,
.figures-grid .reveal.is-visible,
.approach-track .reveal.is-visible { transition-delay: var(--reveal-delay, 0s); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .figures-grid { grid-template-columns: repeat(2, 1fr); row-gap: clamp(2.5rem, 5vw, 3.5rem); }
  .approach-track { grid-template-columns: repeat(2, 1fr); row-gap: 2.75rem; }
  .luxembourg-media { width: 100%; opacity: 0.28; }
}

@media (max-width: 860px) {
  .nav, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 2rem; }
  .philosophy-grid .display { max-width: 100%; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
  .figures-grid { grid-template-columns: 1fr; }
  .approach-track { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .hero-scroll { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}