/* ===========================================================
   When Sea Was Calm: companion site
   Concept: the Black Sea as a silent witness from 1992 → today.
   Palette shifts from calm dawn to stormy red as you scroll.
   =========================================================== */

:root {
  --sea-deep: #04141d;
  --sea-night: #07202d;
  --sea-blue: #0e556f;
  --sea-mist: #b9d4dc;
  --sand: #e9dcc4;
  --bone: #f4ede0;
  --ember: #d94c3a;
  --ember-soft: #e88072;
  --ink: #0a1116;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Space Grotesk", system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--bone);
  background: var(--sea-deep);
  line-height: 1.6;
  overflow-x: hidden;
  /* Color of the page slowly shifts as scroll progresses (set via JS) */
  transition: background-color 1s ease;
}

/* ---------- Tide progress bar ---------- */
.tide-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,0.05);
  z-index: 1000;
}
.tide-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--sea-mist), var(--ember));
  transition: width 0.1s linear;
}

/* ---------- Sound toggle ---------- */
.steps-logo-link {
  position: fixed;
  top: 14px;
  left: 18px;
  z-index: 999;
  color: rgba(255,255,255,0.75);
  width: 52px;
  height: 52px;
  display: block;
  transition: color 0.3s ease, opacity 0.3s ease;
}
.steps-logo-link svg { width: 100%; height: 100%; }
.steps-logo-link:hover { color: #fff; opacity: 1; }

.sound-toggle {
  position: fixed;
  top: 18px; right: 18px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(8px);
  color: var(--bone);
  cursor: pointer;
  z-index: 999;
  font-family: var(--serif);
  font-size: 22px;
  transition: all 0.3s ease;
}
.sound-toggle:hover { border-color: var(--ember-soft); color: var(--ember-soft); }
.sound-toggle.on { background: var(--ember); border-color: var(--ember); color: var(--bone); }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: #04141d; /* fallback if video hasn't loaded */
}

/* Full-cover video background */
.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 1;
  pointer-events: none;
}

.wave-layer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 200%;
  height: 40%;
}
.wave-back  { animation: waveSlide 18s linear infinite;         opacity: 0.85; bottom: -20%; height: 52%; z-index: 3; }
.wave-mid   { animation: waveSlide 12s linear infinite reverse; opacity: 0.95; bottom: -10%; height: 52%; z-index: 4; }
.wave-front { animation: waveSlide 8s  linear infinite;                        bottom:   0%; height: 52%; z-index: 5; }

@keyframes waveSlide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.hero-content {
  position: relative;
  z-index: 6;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  padding: 48px 24px 18%;
}
.hero-content .kicker { margin-bottom: 0; }
.hero-content .hero-sub { margin-top: auto; }

/* "WHEN THE SEA": behind the waves */
.hero-title-behind {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 27%;
  text-align: center;
  pointer-events: none;
  margin: 0;
  padding: 0 3%;
  line-height: 0.88;
}

/* "WAS CALM": in front of all waves */
.hero-title-front {
  position: absolute;
  z-index: 6;
  left: 0;
  right: 0;
  bottom: 11%;
  text-align: center;
  pointer-events: none;
  padding: 0 3%;
  line-height: 0.88;
}
.front-line {
  display: block;
  font-family: 'Bebas Neue', var(--sans);
  font-size: clamp(2.8rem, 11vw, 12rem);
  letter-spacing: 0.04em;
  color: var(--bone);
  text-shadow:
    0 0 60px rgba(255,255,255,0.1),
    0 2px 0 rgba(0,0,0,0.4);
}

/* Scroll-reveal: titles start hidden, JS adds .title-visible on first scroll */
.scroll-title {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 1.1s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 1.1s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.scroll-title.title-visible {
  opacity: 1;
  transform: translateY(0);
}
.hero-title-front.scroll-title { transition-delay: 0.2s; }
.behind-line {
  display: block;
  font-family: 'Bebas Neue', var(--sans);
  font-size: clamp(2.8rem, 11vw, 12rem);
  letter-spacing: 0.04em;
  color: var(--bone);
  text-shadow:
    0 0 60px rgba(255,255,255,0.08),
    0 2px 0 rgba(0,0,0,0.4);
}

.kicker {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--sea-mist);
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 1.2s ease 0.3s forwards;
}

/* old .title, .title-line, .title-italic removed — title is now .hero-title-behind */

.hero-sub {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-style: italic;
  color: var(--sea-mist);
  max-width: 540px;
  opacity: 0;
  animation: fadeUp 1.4s ease 1.6s forwards;
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sea-mist);
  opacity: 0;
  animation: fadeUp 1.4s ease 2s forwards;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--sea-mist), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50%      { transform: scaleY(1.4); opacity: 0.4; }
}

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

/* =====================================================
   GENERAL CHAPTER
   ===================================================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.container.narrow { max-width: 760px; }

.chapter {
  padding: 140px 0;
  background: var(--sea-deep);
  position: relative;
}

.chapter-eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--ember-soft);
  margin-bottom: 24px;
}

.intro-chapter h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 40px;
  color: var(--bone);
}
.intro-chapter h2 em {
  font-style: italic;
  color: var(--ember-soft);
}

.lede {
  font-family: var(--serif);
  font-size: 1.3rem;
  line-height: 1.6;
  color: var(--sea-mist);
  margin-bottom: 24px;
}
.lede strong { color: var(--bone); font-weight: 600; }

/* =====================================================
   TIMELINE
   ===================================================== */
.timeline {
  background: linear-gradient(180deg, var(--sea-deep) 0%, #0a1a25 50%, #1a0e10 100%);
  padding: 60px 0 120px;
  position: relative;
}

/* central vertical thread */
.timeline::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(185,212,220,0.25) 5%,
    rgba(185,212,220,0.25) 55%,
    rgba(217,76,58,0.5) 90%,
    var(--ember) 100%);
}

/* ---- each event ---- */
.event {
  padding: 72px 0;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.event.visible { opacity: 1; transform: translateY(0); }

.event-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 48px;
  align-items: center;
  position: relative;
}

/* normal: year LEFT (right-aligned) | body RIGHT (left-aligned) */
.event-year  { grid-column: 1; padding-right: 72px; text-align: right; position: relative; }
.event-body  { grid-column: 2; padding-left: 72px; text-align: left; }

/* reversed: body LEFT | year RIGHT */
.event-grid.reverse .event-year { grid-column: 2; grid-row: 1; padding-right: 0; padding-left: 72px; text-align: left; }
.event-grid.reverse .event-body { grid-column: 1; grid-row: 1; padding-left: 0; padding-right: 72px; text-align: right; }

/* ---- year number + label ---- */
.year-num {
  display: block;
  font-family: var(--serif);
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 400;
  line-height: 1;
  color: var(--bone);
  letter-spacing: -0.03em;
}
.year-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--ember-soft);
  margin-top: 8px;
}

/* ---- centre dot on the thread ---- */
.event-year::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -8px;              /* sits on the centre line */
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bone);
  border: 2px solid var(--sea-deep);
  box-shadow: 0 0 0 4px rgba(185,212,220,0.2);
  transform: translateY(-50%);
  z-index: 1;
}
.event-grid.reverse .event-year::after { right: auto; left: -8px; }

.event[data-mood="storm"] .event-year::after { background: var(--ember-soft); box-shadow: 0 0 0 5px rgba(217,76,58,0.2); }
.event[data-mood="dark"]  .event-year::after { background: var(--ember);      box-shadow: 0 0 0 6px rgba(217,76,58,0.3); }
.event[data-mood="now"]   .event-year::after { background: var(--bone);       box-shadow: 0 0 0 8px rgba(217,76,58,0.4); animation: nowPulse 2s ease-in-out infinite; }

@keyframes nowPulse {
  0%,100% { box-shadow: 0 0 0 8px rgba(217,76,58,0.4); }
  50%     { box-shadow: 0 0 0 16px rgba(217,76,58,0.08); }
}

/* ---- body text ---- */
.event-body h3 {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--bone);
}
.event-body p {
  font-size: 0.97rem;
  line-height: 1.7;
  color: var(--sea-mist);
  margin-bottom: 12px;
}
.event-body p em { color: var(--ember-soft); font-style: italic; }
.event-meta {
  margin-top: 16px !important;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(185,212,220,0.45) !important;
}

/* ---- bridge pill ---- */
.event.bridge { position: relative; }
.event.bridge::before {
  content: "the same playbook";
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ember);
  letter-spacing: 0.06em;
  background: var(--sea-deep);
  padding: 5px 16px;
  border: 1px solid rgba(217,76,58,0.35);
  border-radius: 20px;
  white-space: nowrap;
  z-index: 2;
}

.event.today .year-num {
  color: var(--ember-soft);
  font-style: italic;
}

/* ---- responsive ---- */
@media (max-width: 760px) {
  .timeline::before { left: 20px; }

  .event-grid,
  .event-grid.reverse {
    grid-template-columns: 1fr;
    padding: 0 24px 0 52px;
  }

  .event-year,
  .event-grid.reverse .event-year {
    grid-column: 1; grid-row: 1;
    padding: 0 0 6px 0;
    text-align: left;
  }
  .event-body,
  .event-grid.reverse .event-body {
    grid-column: 1; grid-row: 2;
    padding: 0;
    text-align: left;
  }

  .event-year::after,
  .event-grid.reverse .event-year::after {
    right: auto;
    left: -40px;
  }
  .event.bridge::before { left: 52px; transform: none; font-size: 0.8rem; }
  .event { padding: 48px 0; }
}

/* =====================================================
   CONNECTION / MAP
   ===================================================== */
.connection {
  background: #1a0e10;
  padding: 140px 0;
  text-align: center;
}
.connection-title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 400;
  margin-bottom: 60px;
  color: var(--bone);
  letter-spacing: -0.02em;
}
.connection-title em { font-style: italic; color: var(--ember); }

.map-wrap {
  max-width: 800px;
  margin: 0 auto 60px;
  padding: 0 24px;
}
.black-sea-map {
  width: 100%;
  height: auto;
}
.black-sea-map text {
  font-family: var(--sans);
  font-size: 11px;
  fill: var(--sea-mist);
  letter-spacing: 0.05em;
}
.map-caption {
  font-family: var(--serif);
  font-style: italic;
  fill: var(--ember-soft) !important;
  font-size: 13px !important;
}
.dot {
  fill: var(--bone);
  animation: dotPulse 3s ease-in-out infinite;
}
.dot-1992  { fill: var(--bone); }
.dot-2008  { fill: var(--ember-soft); animation-delay: 0.4s; }
.dot-2014  { fill: var(--ember); animation-delay: 0.8s; }
.dot-2022a { fill: var(--ember); animation-delay: 1.2s; }
.dot-2022b { fill: var(--ember); animation-delay: 1.6s; }
@keyframes dotPulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50%     { transform: scale(1.4); opacity: 0.7; }
}
.thread {
  stroke-dashoffset: 600;
  stroke-dasharray: 4 6, 600;
  animation: drawThread 6s ease-out forwards;
}
@keyframes drawThread {
  to { stroke-dashoffset: 0; }
}

.connection-text {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--sea-mist);
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  line-height: 1.7;
}

/* =====================================================
   THE FILM
   ===================================================== */
.film {
  background: var(--sea-deep);
  padding: 140px 0;
  text-align: center;
}
.film h2 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 400;
  font-style: italic;
  color: var(--bone);
  margin-bottom: 30px;
  letter-spacing: -0.02em;
}
.film .lede { text-align: center; margin: 0 auto 50px; max-width: 640px; }

.film-meta {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 50px;
  margin: 50px 0;
  text-align: center;
}
.film-meta li {
  font-size: 0.95rem;
  color: var(--bone);
}
.film-meta span {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ember-soft);
  margin-bottom: 8px;
}

.pull-quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  line-height: 1.5;
  color: var(--sea-mist);
  max-width: 680px;
  margin: 60px auto 0;
  padding: 40px 30px;
  border-top: 1px solid rgba(217,76,58,0.3);
  border-bottom: 1px solid rgba(217,76,58,0.3);
  position: relative;
}
.pull-quote::before {
  content: "“";
  position: absolute;
  top: -10px;
  left: 30px;
  font-size: 5rem;
  color: var(--ember);
  font-family: var(--serif);
  line-height: 1;
}

/* =====================================================
   INTERVIEW
   ===================================================== */
.interview-chapter {
  background: linear-gradient(135deg, rgba(217,76,58,0.08) 0%, rgba(14,85,111,0.08) 100%);
  padding: 100px 0;
  border-top: 1px solid rgba(217, 76, 58, 0.2);
  border-bottom: 1px solid rgba(217, 76, 58, 0.2);
}

.interview-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-top: 50px;
}

.btn-primary {
  display: inline-block;
  padding: 16px 40px;
  background: var(--ember);
  color: var(--bone);
  text-decoration: none;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.05em;
  border-radius: 4px;
  transition: all 0.3s ease;
  border: 2px solid var(--ember);
  text-align: center;
}

.btn-primary:hover {
  background: transparent;
  color: var(--ember);
  box-shadow: 0 0 20px rgba(217, 76, 58, 0.3);
}

.interview-meta {
  font-size: 0.85rem;
  color: var(--sea-mist);
  font-style: italic;
  margin: 0;
}

.interview-video {
  margin-top: 60px;
  max-width: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.interview-video video {
  width: 100%;
  height: auto;
  display: block;
  background: #000;
}

/* =====================================================
   CITATIONS & SOURCES
   ===================================================== */
.cite {
  font-size: 0.65em;
  vertical-align: super;
  line-height: 0;
  margin-left: 2px;
}
.cite a {
  color: var(--ember-soft);
  text-decoration: none;
  padding: 1px 4px;
  border-radius: 3px;
  border: 1px solid rgba(217, 76, 58, 0.35);
  transition: all 0.2s ease;
}
.cite a:hover {
  background: var(--ember);
  color: var(--bone);
  border-color: var(--ember);
}

.inline-link {
  color: var(--ember-soft);
  text-decoration: none;
  border-bottom: 1px dotted var(--ember-soft);
  transition: color 0.2s ease;
}
.inline-link:hover { color: var(--bone); border-bottom-color: var(--bone); }

.sources {
  background: #07161f;
  padding: 120px 0;
  border-top: 1px solid rgba(217, 76, 58, 0.15);
}
.sources h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--bone);
  margin-bottom: 24px;
}
.sources-intro {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--sea-mist);
  margin-bottom: 50px;
}
.source-list {
  list-style: none;
  counter-reset: src;
  padding: 0;
  margin: 0 0 50px;
}
.source-list li {
  counter-increment: src;
  position: relative;
  padding: 18px 0 18px 56px;
  border-bottom: 1px solid rgba(185, 212, 220, 0.08);
  font-size: 0.95rem;
  color: var(--sea-mist);
  line-height: 1.6;
  scroll-margin-top: 80px;
}
.source-list li::before {
  content: counter(src);
  position: absolute;
  left: 0;
  top: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(217, 76, 58, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ember-soft);
}
.source-list li:target {
  background: rgba(217, 76, 58, 0.08);
  border-radius: 6px;
}
.source-list li:target::before {
  background: var(--ember);
  color: var(--bone);
  border-color: var(--ember);
}
.source-list strong {
  color: var(--bone);
  font-weight: 500;
}
.source-list em { font-style: italic; color: var(--bone); }
.source-list a {
  color: var(--ember-soft);
  text-decoration: none;
  border-bottom: 1px dotted rgba(232, 128, 114, 0.5);
  margin-left: 4px;
  transition: color 0.2s ease;
}
.source-list a:hover { color: var(--bone); border-bottom-color: var(--bone); }
.sources-note {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: rgba(185, 212, 220, 0.7);
  line-height: 1.7;
  padding-top: 30px;
  border-top: 1px solid rgba(185, 212, 220, 0.1);
}

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
  background: #08161f;
  padding: 100px 0 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.footer-line {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--bone);
  margin-bottom: 18px;
}
.footer-sub {
  font-size: 0.85rem;
  color: var(--sea-mist);
  letter-spacing: 0.05em;
  line-height: 1.8;
  opacity: 0.7;
}
.footer-wave {
  display: block;
  width: 100%;
  height: 80px;
  margin-top: 60px;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 760px) {
  .chapter { padding: 80px 0; }
  .film-meta { gap: 24px; flex-direction: column; }

  /* Hero titles: mobile needs higher positions because hero is taller */
  .hero-title-behind { bottom: 34%; }
  .hero-title-front  { bottom: 18%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}