/* ================================================================
   Elizabeth Rossetti Consultancy — Design System
   Palette drawn from the brand logo: warm ivory, charcoal ink,
   warm grey, antique bronze accent.
   ================================================================ */

:root {
  /* Colour tokens */
  --bg:         #F7F4EF;   /* warm ivory (logo background) */
  --bg-alt:     #F1ECE4;   /* deeper cream for alternating sections */
  --ink:        #24211D;   /* charcoal (wordmark) */
  --ink-soft:   #55504A;   /* warm grey body text */
  --muted:      #8B857C;   /* key grey (logo subtitle) */
  --accent:     #A3865A;   /* antique bronze */
  --accent-soft:#C4AC85;
  --line:       #DED7CB;   /* hairline borders */
  --dark-bg:    #221F1B;   /* inverted section */
  --dark-text:  #EFEAE1;
  --dark-muted: #A79F93;

  /* Type */
  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans:  "Montserrat", "Segoe UI", sans-serif;

  /* Rhythm */
  --section-pad: clamp(5rem, 10vw, 8.5rem);
  --container: 1160px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink-soft);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(var(--container), calc(100% - 3rem));
  margin-inline: auto;
}

.section { padding-block: var(--section-pad); position: relative; }
.section--alt { background: var(--bg-alt); }

/* ---------------- Typography ---------------- */
.heading {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1.12;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.heading em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.heading--large { font-size: clamp(2.5rem, 5.5vw, 4rem); }

.label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.4rem;
}

.label--light { color: var(--dark-muted); }

.rule {
  width: 56px;
  height: 1px;
  background: var(--accent);
  margin-block: 2rem;
}
.rule--center { margin-inline: auto; }

/* ---------------- Key motif ---------------- */
.key {
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
}
.key circle, .key line, .key path { stroke: inherit; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 1.05rem 2.4rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  transition: background 0.35s var(--ease), color 0.35s var(--ease),
              border-color 0.35s var(--ease), transform 0.35s var(--ease);
  cursor: pointer;
  text-align: center;
}

.btn:hover { transform: translateY(-2px); }

.btn--solid {
  background: var(--ink);
  color: var(--bg);
}
.btn--solid:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

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

.btn--small { padding: 0.7rem 1.6rem; font-size: 0.7rem; }
.btn--large { padding: 1.2rem 3.2rem; }

/* ---------------- Navigation ---------------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease),
              transform 0.45s var(--ease);
}

.nav--hidden { transform: translateY(-100%); }

.nav.is-scrolled {
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}

.nav__inner {
  width: min(var(--container), calc(100% - 3rem));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--ink);
}

.key--nav { height: 40px; width: auto; color: var(--muted); }

.nav__name { display: flex; flex-direction: column; line-height: 1.25; }

.nav__title {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}

.nav__sub {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav__links > a:not(.btn) {
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding-block: 0.3rem;
}

.nav__links > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}

.nav__links > a:not(.btn):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Mobile nav */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 7px;
  background: none;
  border: none;
  padding: 0.6rem 0.2rem;
  cursor: pointer;
}
.nav__toggle span {
  width: 26px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(4.25px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { transform: translateY(-4.25px) rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 1.4rem;
  padding: 1.8rem 1.5rem 2.4rem;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.nav__mobile a:not(.btn) {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
}

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav__mobile.is-open { display: flex; }
  .nav.is-scrolled, .nav:has(.nav__mobile.is-open) { background: var(--bg); }
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 1.5rem 5rem;
  overflow: hidden;
}

.hero__watermark {
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-50%) rotate(14deg);
  height: 120vh;
  width: auto;
  color: var(--ink);
  opacity: 0.028;
  pointer-events: none;
}

.hero__inner { max-width: 780px; position: relative; }

.hero__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 1.08;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.hero__lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  color: var(--ink);
  margin-bottom: 1.4rem;
}

.hero__body {
  font-size: 0.98rem;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 2.8rem;
}

.hero__actions {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll span {
  display: block;
  width: 1px;
  height: 52px;
  background: var(--muted);
  position: relative;
  overflow: hidden;
}

.hero__scroll span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  animation: scrollHint 2.2s var(--ease) infinite;
}

@keyframes scrollHint {
  0%   { transform: translateY(-100%); }
  55%  { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* Hero entrance */
[data-hero] {
  opacity: 0;
  transform: translateY(26px);
  animation: heroIn 1s var(--ease) forwards;
}
[data-hero]:nth-of-type(1), .hero__label { animation-delay: 0.15s; }
.hero__title    { animation-delay: 0.3s; }
.hero .rule     { animation-delay: 0.45s; }
.hero__lead     { animation-delay: 0.55s; }
.hero__body     { animation-delay: 0.68s; }
.hero__actions  { animation-delay: 0.82s; }
.hero__scroll   { animation-delay: 1.1s; }

@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------------- Scroll reveal ---------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal][data-reveal-delay="1"] { transition-delay: 0.12s; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 0.24s; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 0.36s; }
[data-reveal][data-reveal-delay="4"] { transition-delay: 0.48s; }

/* ---------------- Welcome ---------------- */
.welcome__grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.welcome__statement {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-style: italic;
  color: var(--ink);
  margin-bottom: 1.4rem;
  line-height: 1.4;
}

.welcome__right p + p { margin-top: 1.2rem; }

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

/* ---------------- Section head ---------------- */
.section__head {
  max-width: 640px;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.section__intro { margin-top: 1.6rem; }

/* ---------------- Services ---------------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 2.4rem 2rem 2.2rem;
  position: relative;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease),
              border-color 0.45s var(--ease);
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -24px rgba(36, 33, 29, 0.18);
  border-color: transparent;
}

.card:hover::before { transform: scaleX(1); }

.card__num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
  margin: 0.7rem 0 0.6rem;
}

.card__tag {
  font-size: 0.88rem;
  font-style: italic;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  color: var(--muted);
  margin-bottom: 1.3rem;
}

.card__list li {
  font-size: 0.88rem;
  padding: 0.42rem 0 0.42rem 1.3rem;
  position: relative;
  border-top: 1px solid var(--line);
}

.card__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent-soft);
}

@media (max-width: 1000px) { .services__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .services__grid { grid-template-columns: 1fr; } }

/* ---------------- Individual services ---------------- */
.individual {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.individual__title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.individual__sub { font-size: 0.92rem; }

.individual__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.individual__tags li {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  padding: 0.55rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-soft);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease),
              background 0.3s var(--ease);
}

.individual__tags li:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

/* ---------------- Why choose (dark) ---------------- */
.section--dark {
  background: var(--dark-bg);
  color: var(--dark-muted);
}

.section--dark .heading { color: var(--dark-text); }
.section--dark .heading em { color: var(--accent-soft); }

.why__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(3rem, 7vw, 6rem);
  align-items: center;
}

.why__body { margin-top: 1.8rem; max-width: 480px; }

.why__list {
  display: flex;
  flex-direction: column;
}

.why__list li {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--dark-text);
  padding: 1.15rem 0;
  border-bottom: 1px solid rgba(239, 234, 225, 0.12);
}

.why__list li:first-child { border-top: 1px solid rgba(239, 234, 225, 0.12); }

.why__check {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--accent-soft);
  border: 1px solid rgba(196, 172, 133, 0.4);
  border-radius: 50%;
  width: 30px; height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

/* ---------------- Process ---------------- */
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
  position: relative;
}

.step {
  position: relative;
  padding-top: 2.2rem;
}

.step__line {
  position: absolute;
  top: 0.55rem;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--accent-soft);
  transform-origin: left;
}

.step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  background: var(--bg);
}

.step__num {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--accent);
  font-size: 0.95rem;
}

.step__title {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0.4rem 0 0.6rem;
}

.step p { font-size: 0.92rem; }

@media (max-width: 900px) { .process__steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .process__steps { grid-template-columns: 1fr; } }

/* ---------------- CTA ---------------- */
.cta__inner {
  text-align: center;
  max-width: 700px;
}

.key--cta {
  height: 72px;
  width: auto;
  margin: 0 auto 2rem;
  color: var(--accent);
}

.cta__body { margin: 1.8rem auto 2.6rem; max-width: 560px; }

/* ---------------- Footer ---------------- */
.footer {
  background: var(--dark-bg);
  color: var(--dark-muted);
  padding-top: clamp(4rem, 7vw, 5.5rem);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  padding-bottom: 3.5rem;
}

.key--footer { height: 44px; width: auto; color: var(--accent-soft); margin-bottom: 1.2rem; }

.footer__name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dark-text);
  line-height: 1.2;
}

.footer__subname {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

.footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  margin-top: 1.4rem;
  color: var(--dark-muted);
}

.footer__heading {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dark-text);
  margin-bottom: 1.3rem;
}

.footer__nav, .footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__nav a, .footer__contact a {
  font-size: 0.92rem;
  transition: color 0.3s var(--ease);
  width: fit-content;
}

.footer__nav a:hover, .footer__contact a:hover { color: var(--accent-soft); }

.footer__social {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.5rem;
  padding: 0.4rem 1rem 0.4rem 0.4rem;
  border: 1px solid rgba(239, 234, 225, 0.16);
  border-radius: 999px;
  transition: border-color 0.4s var(--ease), background-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.footer__social-icon {
  width: 34px;
  height: 34px;
  padding: 8px;
  border-radius: 50%;
  color: var(--accent-soft);
  background: rgba(239, 234, 225, 0.07);
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease), transform 0.5s var(--ease);
}

.footer__social:hover {
  border-color: var(--accent-soft);
  background: rgba(163, 134, 90, 0.1);
  transform: translateY(-2px);
}

.footer__social:hover .footer__social-icon {
  background: var(--accent-soft);
  color: var(--dark-bg);
  transform: rotate(-8deg) scale(1.08);
}

.footer__bottom {
  border-top: 1px solid rgba(239, 234, 225, 0.1);
  padding-block: 1.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

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

/* ================================================================
   Motion layer — GSAP-driven effects
   ================================================================ */

/* Scroll progress bar */
.progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 200;
  pointer-events: none;
}

/* Trailing cursor ring (desktop pointers only, enabled via JS) */
.cursor-ring {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 36px; height: 36px;
  margin: -18px 0 0 -18px;
  border: 1px solid rgba(163, 134, 90, 0.6);
  border-radius: 50%;
  z-index: 300;
  pointer-events: none;
}

html.cursor-on .cursor-ring { display: block; }

/* Marquee strip */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: 1.5rem;
  background: var(--bg);
}

.marquee__track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.marquee__group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.marquee__group span {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  color: var(--ink);
  white-space: nowrap;
  padding-inline: 1.6rem;
}

.marquee__group i {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--accent);
}

/* Giant parallax ghost words */
.ghost {
  position: absolute;
  top: 8%;
  right: -2%;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(7rem, 20vw, 16rem);
  line-height: 1;
  color: rgba(36, 33, 29, 0.045);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.section--dark .ghost { color: rgba(239, 234, 225, 0.05); }

/* Word-split reveal (spans injected by JS) */
.w  { display: inline-block; overflow: hidden; vertical-align: bottom; }
.wi { display: inline-block; will-change: transform; }

/* When GSAP is running, it owns all motion — disable the CSS
   fallback animations and transform transitions it competes with. */
html.gsap-on { scroll-behavior: auto; }

html.gsap-on [data-hero],
html.gsap-on [data-reveal] {
  opacity: 1;
  transform: none;
  animation: none;
  transition: none;
}

html.gsap-on .card {
  transition: box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
}

html.gsap-on .btn {
  transition: background 0.35s var(--ease), color 0.35s var(--ease),
              border-color 0.35s var(--ease);
}

.card--hover {
  box-shadow: 0 24px 48px -24px rgba(36, 33, 29, 0.18);
  border-color: transparent;
}

.card--hover::before { transform: scaleX(1); }

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  [data-hero], [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }

  .hero__scroll span::after { animation: none; }

  .card, .btn, .individual__tags li { transition: none; }
}