/*
   D40 — HOME PAGE STYLES
   Load common.css BEFORE this file. Everything here is
   specific to home.html: the hero, the intro star-rain
   overlay, and every section from Positioning down to the
   footer's home-page usage.
   */

/* Hero (the split-screen intro headline + star mark) */
.split {
  max-width: 1200px; margin: 0 auto; padding: 64px 20px;
  min-height: 72vh;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px;
}
.split .kicker { text-transform: uppercase; font-size: 18px; letter-spacing: 2px; color: var(--muted); margin: 0 0 10px; }
.split h1 { font: 700 48px/1.1 "Playfair Display", serif; margin: 0 0 16px; }
.split .line { color: var(--muted); font-size: 22px; line-height: 1.7; max-width: 46ch; }
.split .mark { display: flex; justify-content: center; }
.split .mark img { width: min(320px, 70%); opacity: .95; }
@media (max-width: 800px) {
  .split { grid-template-columns: 1fr; text-align: center; }
  .split .mark img { width: min(220px, 60%); }
}

/* Floating star mark — subtle drift + glow pulse */
.split .mark img {
  animation: star-float 1.5s ease-in-out infinite;
  will-change: transform, filter;
}
@keyframes star-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}
@keyframes star-glow {
  0%, 100% { filter: drop-shadow(0 0 0 transparent); }
  50%      { filter: drop-shadow(0 0 10px color-mix(in srgb, var(--accent) 45%, transparent)); }
}
@media (prefers-reduced-motion: reduce) {
  .split .mark img { animation: none !important; }
}

/* INTRO / STAR-RAIN OVERLAY (home page only) */

html.intro-active, body.intro-active { overflow: hidden; height: 100%; }

#intro-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  transition: opacity 1.2s ease;
}
#intro-screen.leaving {
  opacity: 0;
  pointer-events: none; /* let scroll/clicks reach the home page underneath while it's fading */
}

.star-rain { position: absolute; inset: 0; pointer-events: none; }

.rain-star {
  position: absolute;
  top: 0; left: 0;
  will-change: transform;
  filter: drop-shadow(0 0 6px rgba(215,183,122,.25));
  pointer-events: none; /* the cursor pushes stars via JS proximity, not by hovering the img itself */
}

.intro-hint {
  position: relative;
  margin: 0 0 48px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  opacity: 0;
  animation: hint-in .6s ease 1.1s forwards;
}
.intro-hint::after {
  content: "";
  width: 1px; height: 26px;
  background: color-mix(in srgb, var(--text) 30%, transparent);
  display: block;
  animation: hint-line 1.6s ease-in-out infinite;
}
@keyframes hint-in { to { opacity: 1; } }
@keyframes hint-line {
  0%, 100% { transform: scaleY(.4); opacity: .4; }
  50%      { transform: scaleY(1);  opacity: 1;  }
}

.intro-skip {
  position: fixed; top: 20px; right: 20px; z-index: 10000;
}

@media (prefers-reduced-motion: reduce) {
  #intro-screen, .rain-star, .intro-hint { animation: none !important; transition: none !important; }
}

/* Positioning (trust statement + 3 points) */
.positioning {
  max-width: 1100px;
  margin: 0 auto;
  padding: 100px 20px 120px;
  border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent);
}
.positioning__intro { max-width: 640px; margin: 0 auto 64px; text-align: center; }
.positioning__headline {
  margin: 0 0 16px;
  font: 600 44px/1.3 "Playfair Display";
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.positioning__copy { margin: 0; color: var(--muted); font-size: 22px; line-height: 1.7; }
.positioning__points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.positioning__point { padding: 24px 12px 0; border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent); }
.positioning__label { margin: 0 0 16px; font-size: 18px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); }
.positioning__detail { margin: 0; font-size: 21px; color: var(--text); }

@media (max-width: 800px) {
  .positioning__points { grid-template-columns: 1fr; gap: 28px; }
}

.positioning__intro,
.positioning__point {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s cubic-bezier(.22,.8,.2,1), transform .7s cubic-bezier(.22,.8,.2,1);
}
.positioning.in-view .positioning__intro,
.positioning.in-view .positioning__point {
  opacity: 1;
  transform: translateY(0);
}
.positioning.in-view .positioning__point:nth-child(1) { transition-delay: 200ms; }
.positioning.in-view .positioning__point:nth-child(2) { transition-delay: 350ms; }
.positioning.in-view .positioning__point:nth-child(3) { transition-delay: 500ms; }

@media (prefers-reduced-motion: reduce) {
  .positioning__intro, .positioning__point { opacity: 1; transform: none; transition: none !important; }
}

/* Services */
.services { max-width: 1300px; margin: -60px auto; padding: 120px 20px 140px; }
.services__intro { max-width: 640px; margin: 0 auto 72px; text-align: center; }
.services__kicker { text-transform: uppercase; font-size: 18px; letter-spacing: 2px; color: var(--muted); margin: 0 0 14px; }
.services__headline { margin: 0 0 16px; font: 700 44px/1.15 "Playfair Display", serif; }
.services__copy { margin: 0; color: var(--muted); font-size: 22px; line-height: 1.7; }

.services__grid { display: flex; gap: 24px; align-items: flex-start; }

.service-card {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid color-mix(in srgb, var(--text) 10%, transparent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: flex-grow .5s cubic-bezier(.22,.8,.2,1), border-color .3s ease;
}

.services__grid:hover .service-card,
.services__grid:has(.service-card.is-open) .service-card {
  flex-grow: 0.85;
}
.services__grid:hover .service-card:hover,
.services__grid:has(.service-card.is-open) .service-card.is-open {
  flex-grow: 1.3;
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.service-card__toggle {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  min-height: 360px;
  padding: 36px 32px;
}
.service-card__toggle:focus-visible { outline: none; box-shadow: inset var(--ring); }

.service-card__header { display: flex; align-items: baseline; gap: 12px; }
.service-card__index { font-size: 17px; font-weight: 600; letter-spacing: 1px; color: var(--accent); }
.service-card__label { font: 700 21px/1.3 "Playfair Display", serif; text-transform: uppercase; letter-spacing: 1.5px; }
.service-card__tagline { color: var(--muted); font-size: 25px; line-height: 1.6; }

.service-card__icon { align-self: flex-end; position: relative; width: 22px; height: 22px; flex-shrink: 0; transition: transform .35s ease; }
.service-card__icon::before, .service-card__icon::after { content: ""; position: absolute; top: 50%; left: 50%; background: var(--text); }
.service-card__icon::before { width: 22px; height: 1px; transform: translate(-50%, -50%); }
.service-card__icon::after  { width: 1px; height: 22px; transform: translate(-50%, -50%); }
.service-card:hover .service-card__icon,
.service-card.is-open .service-card__icon { transform: rotate(45deg); }

.service-card__detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .5s cubic-bezier(.22,.8,.2,1);
}
.service-card:hover .service-card__detail,
.service-card:focus-within .service-card__detail,
.service-card.is-open .service-card__detail { grid-template-rows: 1fr; }
.service-card__detail-inner { overflow: hidden; }

.service-card__desc { margin: 0; padding: 0 32px; color: var(--muted); font-size: 21px; line-height: 1.7; }
.service-card__list { list-style: none; margin: 20px 0 0; padding: 0 32px; display: grid; gap: 10px; }
.service-card__list li { font-size: 20px; padding-left: 22px; position: relative; }
.service-card__list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }

.service-card__link {
  display: block;
  margin: 28px 32px 32px;
  color: var(--text);
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
  width: fit-content;
  border-bottom: 1px solid color-mix(in srgb, var(--text) 25%, transparent);
  padding-bottom: 2px;
  transition: border-color .2s ease, color .2s ease;
}
.service-card__link:hover { color: var(--accent); border-color: var(--accent); }

@media (max-width: 900px) {
  .services__grid { flex-direction: column; }
  .services__grid:hover .service-card,
  .services__grid:hover .service-card:hover,
  .services__grid:has(.service-card.is-open) .service-card,
  .services__grid:has(.service-card.is-open) .service-card.is-open {
    flex-grow: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .service-card, .service-card__detail, .service-card__icon { transition: none !important; }
}

/* The D40 Approach */
.approach {
  max-width: 900px;
  margin: 0 auto;
  padding: 120px 20px 140px;
  border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent);
}
.approach__intro { max-width: 640px; margin: 0 auto 72px; text-align: center; }
.approach__kicker { text-transform: uppercase; font-size: 18px; letter-spacing: 2px; color: var(--muted); margin: 0 0 14px; }
.approach__headline { margin: 0 0 16px; font: 700 44px/1.15 "Playfair Display", serif; }
.approach__copy { margin: 0; color: var(--muted); font-size: 22px; line-height: 1.7; }

.approach__steps { position: relative; display: flex; flex-direction: column; }
.approach__steps::before {
  content: "";
  position: absolute;
  top: 28px; bottom: 28px; left: 36px;
  width: 1px;
  background: color-mix(in srgb, var(--text) 12%, transparent);
  z-index: 0;
}

.approach-step { position: relative; border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent); }
.approach-step:last-child { border-bottom: 1px solid color-mix(in srgb, var(--text) 10%, transparent); }

.approach-step__toggle {
  all: unset;
  box-sizing: border-box;
  width: 100%;
  cursor: pointer;
  display: grid;
  grid-template-columns: 56px 1fr 22px;
  align-items: center;
  gap: 20px;
  padding: 28px 8px;
}
.approach-step__toggle:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 8px; }

.approach-step__index {
  position: relative;
  z-index: 1;
  background: var(--bg);
  font-size: 18px; font-weight: 600; letter-spacing: 1px; color: var(--accent);
}
.approach-step__heading { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.approach-step__label { font: 700 28px/1.3 "Playfair Display", serif; text-transform: uppercase; letter-spacing: .5px; }
.approach-step__tagline { color: var(--muted); font-size: 20px; line-height: 1.5; }

.approach-step__icon { position: relative; width: 22px; height: 22px; justify-self: end; transition: transform .35s ease; }
.approach-step__icon::before, .approach-step__icon::after { content: ""; position: absolute; top: 50%; left: 50%; background: var(--text); }
.approach-step__icon::before { width: 22px; height: 1px; transform: translate(-50%, -50%); }
.approach-step__icon::after  { width: 1px; height: 22px; transform: translate(-50%, -50%); }
.approach-step.is-open .approach-step__icon { transform: rotate(45deg); }

.approach-step__detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .5s cubic-bezier(.22,.8,.2,1);
}
.approach-step.is-open .approach-step__detail { grid-template-rows: 1fr; }
.approach-step__detail-inner { overflow: hidden; }

.approach-step__desc { margin: 0 0 16px; padding: 0 8px 0 84px; color: var(--muted); font-size: 20px; line-height: 1.7; }
.approach-step__list-label { margin: 4px 0 12px; padding: 0 8px 0 84px; font-size: 17px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; }
.approach-step__list { list-style: none; margin: 0 0 16px; padding: 0 8px 0 84px; display: grid; gap: 10px; }
.approach-step__list li { font-size: 18px; padding-left: 20px; position: relative; color: var(--muted); }
.approach-step__list li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }

.approach-step__outcome {
  margin: 8px 0 32px;
  padding: 20px 8px 0 84px;
  font-size: 18px;
  line-height: 1.6;
  border-top: 1px dashed color-mix(in srgb, var(--text) 16%, transparent);
}
.approach-step__outcome span { color: var(--accent); font-weight: 600; }

.approach__close { max-width: 560px; margin: 72px auto 0; text-align: center; }
.approach__close-line { margin: 0 0 10px; font: 700 40px/1.3 "Playfair Display", serif; }
.approach__close-copy { margin: 0; color: var(--muted); font-size: 22px; line-height: 1.7; }

@media (max-width: 600px) {
  .approach__steps::before { display: none; }
  .approach-step__toggle { grid-template-columns: 40px 1fr 20px; gap: 12px; padding: 24px 8px; }
  .approach-step__desc, .approach-step__list-label, .approach-step__list, .approach-step__outcome { padding-left: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .approach-step, .approach-step__detail, .approach-step__icon { transition: none !important; }
}

/* Why D40 */
.why {
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 20px 140px;
  border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent);
}
.why__statement { max-width: 720px; margin: 0 auto 80px; text-align: center; }
.why__headline { margin: 0; font: 700 34px/1.4 Inter, serif; }
.why__headline .line:nth-child(1) { color: var(--muted); font-size: 30px; }
.why__headline .line:nth-child(2) { color: var(--text); font-size: 34px;}

.why__points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.why__point { text-align: left; padding-top: 20px; border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent); }
.why__index { margin: 0 0 14px; font-size: 16px; font-weight: 600; letter-spacing: 2px; color: var(--accent); }
.why__label { margin: 0 0 8px; font: 700 22px/1.3 "Playfair Display", serif; }
.why__detail { margin: 0; color: var(--muted); font-size: 22px; line-height: 1.6; }

@media (max-width: 900px) { .why__points { grid-template-columns: repeat(2, 1fr); gap: 32px; } }
@media (max-width: 500px) { .why__points { grid-template-columns: 1fr; } }

.why__point {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s cubic-bezier(.22,.8,.2,1), transform .7s cubic-bezier(.22,.8,.2,1);
}
.why.in-view .why__point { opacity: 1; transform: translateY(0); }
.why.in-view .why__point:nth-child(1) { transition-delay: 900ms;  }
.why.in-view .why__point:nth-child(2) { transition-delay: 1050ms; }
.why.in-view .why__point:nth-child(3) { transition-delay: 1200ms; }
.why.in-view .why__point:nth-child(4) { transition-delay: 1350ms; }

@media (prefers-reduced-motion: reduce) {
  .why__point { opacity: 1; transform: none; transition: none !important; }
}