/* HAILA — AI覚醒プログラム
   B&W Editorial system / Bold typography on white
   ──────────────────────────────────────────────────── */

:root {
  --ink:        #0a0a0a;
  --ink-2:      #1a1a1a;
  --paper:      #ffffff;
  --paper-2:    #f6f6f4;
  --paper-3:    #ebebe7;
  --mute:       #555555;
  --mute-2:     #8a8a8a;

  --rule-color: #0a0a0a;
  --rule:       1px solid var(--rule-color);
  --rule-h:     6px solid var(--rule-color);
  --rule-xh:    10px solid var(--rule-color);

  --maxw:        1280px;
  --maxw-narrow: 920px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 9rem;

  font-family: -apple-system, BlinkMacSystemFont,
               "Helvetica Neue", "Helvetica", "Arial",
               "Hiragino Kaku Gothic ProN", "Hiragino Sans",
               "Yu Gothic", "Meiryo", "Noto Sans JP",
               system-ui, sans-serif;
}

/* ──── reset ──── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html { background: var(--paper); }
body {
  background: transparent;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  overflow-x: hidden;
}

/* ambient drifting watermark behind everything (very subtle) */
body::before {
  content: "";
  position: fixed;
  top: -15%; left: -15%;
  width: 130%; height: 130%;
  background-image: url(../assets/images/about-mark.png);
  background-size: 70vmin;
  background-repeat: no-repeat;
  background-position: 80% 30%;
  opacity: 0.05;
  pointer-events: none;
  z-index: -10;
  filter: grayscale(100%) contrast(1.1);
  animation: ambient-drift 60s ease-in-out infinite alternate;
  will-change: transform;
}
body::after {
  content: "";
  position: fixed;
  top: -10%; left: -10%;
  width: 120%; height: 120%;
  background-image: url(../assets/images/program-mark.png);
  background-size: 55vmin;
  background-repeat: no-repeat;
  background-position: 10% 80%;
  opacity: 0.035;
  pointer-events: none;
  z-index: -10;
  filter: grayscale(100%) contrast(1.1);
  animation: ambient-drift-2 80s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes ambient-drift {
  from { transform: translate3d(0, 0, 0)        rotate(0deg);   }
  to   { transform: translate3d(-3%, -2%, 0)    rotate(-1.2deg); }
}
@keyframes ambient-drift-2 {
  from { transform: translate3d(0, 0, 0)        rotate(0deg)    scale(1);    }
  to   { transform: translate3d(2%, -3%, 0)     rotate(0.8deg)  scale(1.03); }
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ──── typography ──── */
h1, h2, h3, h4 {
  margin: 0 0 var(--space-3);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.02;
  color: var(--ink);
}
h1 { font-size: clamp(2.6rem, 8.2vw, 7rem); }
h2 { font-size: clamp(2rem, 5.5vw, 4.6rem); }
h3 { font-size: clamp(1.05rem, 0.5vw + 1rem, 1.3rem); font-weight: 800; line-height: 1.35; letter-spacing: -0.01em; }

p { margin: 0 0 var(--space-3); }
strong { font-weight: 900; }
em {
  font-style: normal;
  font-weight: 900;
  position: relative;
  display: inline-block;
  text-decoration: underline;
  text-decoration-color: var(--ink);
  text-decoration-thickness: 0.14em;
  text-underline-offset: 0.12em;
  text-decoration-skip-ink: none;
}

a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }

ul, ol { margin: 0 0 var(--space-3); padding-left: 1.2rem; }

::selection { background: var(--ink); color: var(--paper); }

/* ──── container ──── */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--space-4);
}
@media (max-width: 720px) {
  .container { padding: 0 var(--space-3); }
}

/* ──── meta / index labels ──── */
.meta,
.section__index,
.caption {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink);
}
.section__index {
  display: inline-block;
  padding: var(--space-2) 0 var(--space-1);
  border-top: var(--rule-h);
  margin: 0 0 var(--space-3);
  min-width: 8rem;
}
.meta--top {
  display: flex; justify-content: space-between; gap: var(--space-3);
  border-top: var(--rule-h);
  padding-top: var(--space-2);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.caption {
  margin-bottom: var(--space-2);
  border-bottom: var(--rule);
  padding-bottom: var(--space-1);
  display: block;
}

/* ──── masthead ──── */
.masthead {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: var(--rule);
}
.masthead__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem var(--space-4);
  gap: var(--space-3);
}
.brand {
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: 0.24em;
  line-height: 1;
  color: var(--ink);
  display: inline-flex; flex-direction: column; gap: 2px;
}
.brand small {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--mute);
}
.masthead__nav {
  display: flex; align-items: center; gap: var(--space-3);
}
.masthead__nav a {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.masthead__nav a:hover { text-decoration: none; background: var(--ink); color: var(--paper); padding: 4px 8px; margin: -4px -8px; }
.masthead__cta {
  background: var(--ink);
  color: var(--paper) !important;
  padding: 0.6rem 1rem !important;
  margin: 0 !important;
  border: 2px solid var(--ink);
}
.masthead__cta:hover {
  background: var(--paper) !important;
  color: var(--ink) !important;
  padding: 0.6rem 1rem !important;
  margin: 0 !important;
}

@media (max-width: 720px) {
  .masthead__inner { padding: 0.8rem var(--space-3); }
  .masthead__nav a:not(.masthead__cta) { display: none; }
  .brand small { display: none; }
}

/* ──── hero (with bg image) ──── */
.hero {
  position: relative;
  isolation: isolate;
  padding: var(--space-5) 0 var(--space-6);
  border-bottom: var(--rule);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url(../assets/images/hero-bw.png);
  background-size: cover;
  background-position: center right;
  filter: grayscale(100%) contrast(1.05);
  opacity: 0;
  pointer-events: none;
  animation:
    hero-bg-in 1.6s 0.2s cubic-bezier(.16,1,.3,1) forwards,
    hero-bg-breathe 18s 1.8s ease-in-out infinite alternate;
  will-change: transform, opacity;
}
@keyframes hero-bg-in {
  from { opacity: 0; transform: scale(1.04); }
  to   { opacity: 0.20; transform: scale(1); }
}
@keyframes hero-bg-breathe {
  from { transform: scale(1) translate3d(0, 0, 0); }
  to   { transform: scale(1.06) translate3d(-1%, -0.8%, 0); }
}
@media (max-width: 720px) {
  .hero__bg { animation-name: hero-bg-in; opacity: 0.10; }
}
.hero__title {
  font-size: clamp(3rem, 11vw, 9rem);
  margin: 0 0 var(--space-5);
  letter-spacing: -0.04em;
  line-height: 0.95;
}
.hero__title em {
  position: relative;
  z-index: 0;
  text-decoration: none;
  display: inline-block;
}
.hero__title em::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 0.04em;
  height: 0.08em;
  background: var(--ink);
  z-index: -1;
  transform-origin: left;
  transform: scaleX(0);
  animation: highlight-in 1.1s cubic-bezier(.7, 0, .15, 1) forwards;
}
.hero__title em:nth-of-type(1)::after { animation-delay: .55s; }
.hero__title em:nth-of-type(2)::after { animation-delay: .85s; }
@keyframes highlight-in {
  to { transform: scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__title em::after { animation: none; transform: scaleX(1); }
}
.hero__title-conn {
  font-weight: 900;
  letter-spacing: -0.02em;
}
.hero__row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: end;
  margin-bottom: var(--space-5);
}
.hero__lead {
  font-size: clamp(1rem, 0.5vw + 0.95rem, 1.2rem);
  font-weight: 600;
  margin: 0;
  max-width: 36rem;
  line-height: 1.7;
}
.hero__lead strong {
  background: var(--ink);
  color: var(--paper);
  padding: 0 0.3em;
}
.hero__actions {
  display: flex; flex-wrap: wrap; gap: var(--space-2);
  justify-self: end;
  align-self: end;
}
.hero__index {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  border-top: var(--rule);
  padding-top: var(--space-3);
}

@media (max-width: 820px) {
  .hero__row { grid-template-columns: 1fr; gap: var(--space-3); align-items: start; }
  .hero__actions { justify-self: start; }
}

/* ──── LINE icon (B&W, no external dependency) ──── */
.line-icon {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 1.4em; height: 1.4em;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-weight: 900;
  font-size: 0.85em;
  letter-spacing: 0;
  margin-right: 0.2em;
  border: 2px solid currentColor;
}
.btn--primary .line-icon { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn--invert  .line-icon { background: var(--ink);  color: var(--paper); border-color: var(--ink); }
.line-icon--lg { width: 1.6em; height: 1.6em; }

/* ──── buttons ──── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 1rem 1.6rem;
  font-weight: 900;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover {
  text-decoration: none;
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--ink);
}
.btn--lg { padding: 1.2rem 2rem; font-size: 1.05rem; }
.btn--block { display: flex; width: 100%; }
.btn .arrow {
  font-weight: 900;
  font-size: 1.1em;
  transition: transform .15s ease;
}
.btn:hover .arrow { transform: translateX(4px); }

.btn--primary {
  background: var(--ink);
  color: var(--paper);
}
.btn--primary:hover {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}

.btn--ghost {
  background: var(--paper);
  color: var(--ink);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 6px 6px 0 var(--ink);
}

.btn--invert {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.btn--invert:hover {
  background: transparent;
  color: var(--paper);
  border-color: var(--paper);
  box-shadow: 6px 6px 0 var(--paper);
}

/* ──── marquee ──── */
.marquee {
  background: var(--ink);
  color: var(--paper);
  border-bottom: var(--rule);
  overflow: hidden;
  padding: 0.85rem 0;
}
.marquee__inner {
  display: flex;
  gap: 2.4rem;
  white-space: nowrap;
  width: max-content;
  animation: marquee 38s linear infinite;
  font-weight: 900;
  letter-spacing: 0.22em;
  font-size: 1.05rem;
  text-transform: uppercase;
}
.marquee__inner span { flex-shrink: 0; }
.marquee__dot { font-size: 0.6em; opacity: 0.6; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__inner { animation: none; }
}

/* ──── section base ──── */
.section {
  padding: var(--space-6) 0;
  border-bottom: var(--rule);
}
.section__title {
  margin-bottom: var(--space-4);
}
.section__title em {
  text-decoration: underline;
  text-decoration-color: var(--ink);
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.14em;
  text-decoration-skip-ink: none;
}
.section__lead {
  max-width: 44rem;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  line-height: 1.6;
}
.section__lead strong {
  background: var(--ink);
  color: var(--paper);
  padding: 0 0.3em;
  font-weight: 900;
}
.note {
  font-size: 0.85rem;
  color: var(--mute);
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: var(--rule);
}

/* ──── 02 / about ──── */
.grid--asym {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  align-items: start;
  margin-top: var(--space-4);
}
.grid--asym__main .bigtype {
  font-size: clamp(1.3rem, 1.6vw + 0.8rem, 1.85rem);
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.grid--asym__main .bigtype em {
  font-weight: 900;
  text-decoration: underline;
  text-decoration-thickness: 4px;
  text-underline-offset: 6px;
}
.grid--asym__main .bigtype strong { font-weight: 900; }
.grid--asym__side {
  border-left: var(--rule-h);
  padding-left: var(--space-3);
}
.caption-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex; flex-direction: column;
}
.caption-list li {
  font-size: clamp(1.1rem, 1vw + 0.7rem, 1.5rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  padding: 0.4rem 0;
  border-bottom: var(--rule);
}
.caption-list li:last-child { border-bottom: 0; }
.caption-list li::before {
  content: "→ ";
  margin-right: 0.3em;
}
@media (max-width: 720px) {
  .grid--asym { grid-template-columns: 1fr; gap: var(--space-3); }
  .grid--asym__side { border-left: 0; border-top: var(--rule-h); padding: var(--space-3) 0 0 0; }
}

/* ──── service map (ABOUT section: COURSE + COMMUNITY cards) ──── */
.service-map {
  display: grid;
  gap: 0;
  grid-template-columns: 1fr 1fr;
  border-top: var(--rule-h);
  border-left: var(--rule);
  margin: var(--space-4) 0 0;
}
.service-card {
  border-right: var(--rule);
  border-bottom: var(--rule);
  padding: var(--space-4) var(--space-3);
  display: flex; flex-direction: column;
  background: var(--paper);
  transition: background .2s ease, transform .25s cubic-bezier(.16,1,.3,1);
  position: relative;
}
.service-card:hover {
  background: var(--paper-2);
  transform: translateY(-4px);
}
.service-card__tag {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0 0 var(--space-2);
  padding: 0.3rem 0.7rem;
  background: var(--ink);
  color: var(--paper);
  align-self: flex-start;
}
.service-card__name {
  font-size: clamp(1.6rem, 1.6vw + 1rem, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-2);
  line-height: 1.05;
}
.service-card__lead {
  font-size: 1.02rem;
  font-weight: 600;
  margin: 0 0 var(--space-3);
}
.service-card__lead strong { background: var(--ink); color: var(--paper); padding: 0 0.3em; font-weight: 900; }
.service-card__points {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  flex-grow: 1;
  border-top: var(--rule);
}
.service-card__points li {
  padding: 0.55rem 0 0.55rem 1.4rem;
  border-bottom: var(--rule);
  font-weight: 600;
  font-size: 0.92rem;
  position: relative;
}
.service-card__points li::before {
  content: "→";
  position: absolute; left: 0; top: 0.55rem;
  font-weight: 900;
}
.service-card__link {
  font-weight: 900;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 2px;
  align-self: flex-start;
}
.service-card--alt {
  background: var(--ink);
  color: var(--paper);
  border-right-color: var(--ink);
  border-bottom-color: var(--ink);
}
.service-card--alt:hover { background: var(--ink); color: var(--paper); }
.service-card--alt .service-card__name { color: var(--paper); }
.service-card--alt .service-card__lead { color: var(--paper); }
.service-card--alt .service-card__points li { color: var(--paper); }
.service-card--alt .service-card__tag { background: var(--paper); color: var(--ink); }
.service-card--alt .service-card__lead strong { background: var(--paper); color: var(--ink); }
.service-card--alt .service-card__points { border-top-color: var(--paper); }
.service-card--alt .service-card__points li { border-bottom-color: var(--paper); }
.service-card--alt .service-card__link { border-bottom-color: var(--paper); color: var(--paper); }

@media (max-width: 720px) {
  .service-map { grid-template-columns: 1fr; }
}

/* ──── stat strip (ABOUT footer info bar) ──── */
.stat-strip {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(4, 1fr);
  border-top: var(--rule);
  border-bottom: var(--rule);
  margin: var(--space-4) 0 0;
}
.stat-strip--3 { grid-template-columns: repeat(3, 1fr); }
.stat-strip > div {
  padding: var(--space-3);
  border-right: var(--rule);
  text-align: center;
}
.stat-strip > div:last-child { border-right: 0; }
.stat-strip dt {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 0.4rem;
}
.stat-strip dd {
  margin: 0;
  font-size: clamp(1.05rem, 0.5vw + 0.95rem, 1.45rem);
  font-weight: 900;
  letter-spacing: -0.005em;
}
@media (max-width: 720px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip > div { border-bottom: var(--rule); }
  .stat-strip > div:nth-child(2n) { border-right: 0; }
  .stat-strip > div:nth-last-child(-n+2) { border-bottom: 0; }
  .stat-strip--3 { grid-template-columns: 1fr; }
  .stat-strip--3 > div { border-right: 0; border-bottom: var(--rule); }
  .stat-strip--3 > div:last-child { border-bottom: 0; }
}

/* art image accents (B&W marks placed in sections) */
.art-mark {
  display: block;
  width: 100%;
  height: auto;
  filter: grayscale(100%) contrast(1.08);
  border: 2px solid var(--ink);
  background: var(--paper-2);
}
.art-mark--side {
  margin-top: var(--space-3);
}
.art-banner {
  margin: var(--space-5) calc(-1 * var(--space-4)) var(--space-3);
  position: relative;
  border-top: var(--rule-h);
  border-bottom: var(--rule-h);
  background: var(--ink);
}
.art-banner__img {
  display: block;
  width: 100%;
  height: clamp(220px, 36vw, 480px);
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1);
  opacity: 0.86;
}
.art-banner__caption {
  position: absolute;
  inset: auto var(--space-4) var(--space-3) auto;
  color: var(--paper);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
@media (max-width: 720px) {
  .art-banner { margin-left: calc(-1 * var(--space-3)); margin-right: calc(-1 * var(--space-3)); }
}

/* ──── 03 / target ──── */
.big-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  border-top: var(--rule-h);
}
.big-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: var(--rule);
  align-items: center;
  transition: background .15s ease;
}
.big-list li:hover { background: var(--paper-2); }
.big-list__num {
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.9;
}
.big-list h3 {
  font-size: clamp(1.2rem, 1.2vw + 1rem, 1.85rem);
  font-weight: 800;
  margin: 0;
  line-height: 1.35;
}
@media (max-width: 540px) {
  .big-list li { grid-template-columns: 1fr; gap: var(--space-1); padding: var(--space-3) 0; }
}

/* ──── 04 / problem ──── */
.section--problem .section__title { margin-bottom: var(--space-5); }
.grid--3col {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  border-top: var(--rule-h);
  border-left: var(--rule);
  margin-top: var(--space-4);
}
.grid--3col > article {
  border-right: var(--rule);
  border-bottom: var(--rule);
  padding: var(--space-3);
  display: flex; flex-direction: column;
  transition: background .15s ease;
}
.grid--3col > article:hover { background: var(--paper-2); }
.grid--3col h3 { line-height: 1.35; margin-bottom: var(--space-2); }
.grid--3col p:last-child { color: var(--mute); margin: 0; font-size: 0.95rem; }

/* ──── 05 / program ──── */
.manifesto {
  font-size: clamp(1.5rem, 2.4vw + 0.8rem, 2.6rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.02em;
  max-width: 50rem;
  margin: var(--space-4) 0 var(--space-5);
}
.manifesto strong {
  font-weight: 900;
  background: var(--ink);
  color: var(--paper);
  padding: 0 0.3em;
  display: inline-block;
}
.manifesto em {
  font-weight: 900;
  text-decoration: underline;
  text-decoration-thickness: 6px;
  text-underline-offset: 8px;
}

.meta-list {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  border-top: var(--rule-h);
  border-left: var(--rule);
  margin: var(--space-4) 0 0;
}
.meta-list > div {
  border-right: var(--rule);
  border-bottom: var(--rule);
  padding: var(--space-3);
}
.meta-list dt {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: var(--space-1);
}
.meta-list dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.005em;
}
.meta-list dd strong {
  font-weight: 900;
  background: var(--ink);
  color: var(--paper);
  padding: 0 0.3em;
}

/* ──── phase overview (curriculum: shows Day 1-13 + Day 14-20 split) ──── */
.phase-overview {
  display: grid;
  gap: 0;
  grid-template-columns: 1fr 1fr;
  margin: var(--space-4) 0 var(--space-3);
  border-top: var(--rule-h);
  border-left: var(--rule);
}
.phase {
  border-right: var(--rule);
  border-bottom: var(--rule);
  padding: var(--space-4) var(--space-3);
  display: flex; flex-direction: column;
  gap: var(--space-1);
  position: relative;
}
.phase__range {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 var(--space-1);
}
.phase h3 {
  font-size: clamp(1.6rem, 2vw + 1rem, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-2);
  line-height: 1.05;
  display: flex; align-items: baseline; gap: var(--space-2); flex-wrap: wrap;
}
.phase__public {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  padding: 0.25rem 0.6rem;
  letter-spacing: 0.18em;
}
.phase p {
  font-size: 0.98rem;
  font-weight: 600;
  margin: 0 0 var(--space-1);
  color: var(--ink);
}
.phase strong { background: var(--ink); color: var(--paper); padding: 0 0.3em; font-weight: 900; }
.phase__note {
  font-size: 0.82rem !important;
  color: var(--mute) !important;
  font-weight: 600 !important;
  margin-top: var(--space-1) !important;
}
.phase--basic { background: var(--paper-2); }
.phase--advanced { background: var(--paper); }

.section__sublead {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: var(--space-3) 0;
  color: var(--mute);
}

@media (max-width: 720px) {
  .phase-overview { grid-template-columns: 1fr; }
}

/* ──── 06 / syllabus ──── */
.syllabus {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  border-top: var(--rule-h);
  border-left: var(--rule);
}
.syllabus li {
  border-right: var(--rule);
  border-bottom: var(--rule);
  padding: var(--space-3);
  display: flex; flex-direction: column;
  transition: background .15s ease;
  position: relative;
}
.syllabus li:hover { background: var(--paper-2); }
.syllabus__day {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  background: var(--ink);
  color: var(--paper);
  padding: 0.32rem 0.7rem;
  margin-bottom: var(--space-2);
}
.syllabus h3 {
  margin: var(--space-1) 0 var(--space-2);
  line-height: 1.3;
}
.syllabus p {
  font-size: 0.92rem;
  color: var(--mute);
  margin: 0;
}
.syllabus__community { background: var(--paper-2); }
.syllabus__community .syllabus__day { background: var(--paper); color: var(--ink); border: 2px solid var(--ink); }

/* ──── 07 / pricing ──── */
.section--pricing .section__title { margin-bottom: var(--space-3); }
.plans {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: var(--space-4);
  border-top: var(--rule-h);
  border-left: var(--rule);
}
.plan {
  border-right: var(--rule);
  border-bottom: var(--rule);
  padding: var(--space-4) var(--space-3);
  display: flex; flex-direction: column;
  position: relative;
  background: var(--paper);
  transition: background .15s ease;
}
.plan:hover { background: var(--paper-2); }
.plan header { margin-bottom: var(--space-3); }
.plan__num {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 var(--space-1);
}
.plan h3 {
  font-size: clamp(1.4rem, 1vw + 1rem, 1.85rem);
  margin: 0 0 var(--space-1);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.plan__period {
  font-size: 0.88rem;
  color: var(--mute);
  margin: 0;
  font-weight: 700;
}
.plan__price {
  margin: 0 0 var(--space-2);
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 0.4rem 0.6rem;
}
.plan__price-num {
  font-weight: 900;
  font-size: clamp(2rem, 3.4vw, 3.4rem);
  letter-spacing: -0.04em;
  line-height: 1;
}
.plan__price small {
  font-size: 0.7rem;
  color: var(--mute);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 800;
}
.plan__price-old {
  display: block; width: 100%;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--mute);
  letter-spacing: 0;
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}
.plan__price-alt {
  font-size: 0.92rem;
  color: var(--mute);
  margin: 0 0 var(--space-3);
  font-weight: 700;
}
.plan__price-alt strong { color: var(--ink); }

.plan__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  flex-grow: 1;
  border-top: var(--rule);
}
.plan__features li {
  padding: 0.7rem 0 0.7rem 1.6rem;
  border-bottom: var(--rule);
  font-size: 0.95rem;
  font-weight: 600;
  position: relative;
}
.plan__features li::before {
  content: "→";
  position: absolute; left: 0; top: 0.7rem;
  font-weight: 900;
}
.plan__features strong { font-weight: 900; }
.plan__note {
  font-size: 0.78rem;
  color: var(--mute);
  margin: var(--space-2) 0 0;
}

.plan--featured {
  background: var(--ink);
  color: var(--paper);
  border-right-color: var(--ink);
  border-bottom-color: var(--ink);
}
.plan--featured:hover { background: var(--ink); }
.plan--featured h3 { color: var(--paper); }
.plan--featured .plan__num,
.plan--featured .plan__period,
.plan--featured .plan__price small,
.plan--featured .plan__price-old,
.plan--featured .plan__price-alt,
.plan--featured .plan__note { color: var(--paper-3); }
.plan--featured .plan__price-alt strong { color: var(--paper); }
.plan--featured .plan__features { border-top-color: var(--paper); }
.plan--featured .plan__features li { border-bottom-color: var(--paper); }
.plan__badge {
  position: absolute;
  top: -1px; right: -1px;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  padding: 0.45rem 0.9rem;
  border: 2px solid var(--ink);
  margin: 0;
  white-space: nowrap;
}

/* ──── 08 / contact ──── */
.section--contact {
  position: relative;
  isolation: isolate;
  background: var(--ink);
  color: var(--paper);
  border-bottom: var(--rule-xh);
  padding: var(--space-7) 0;
  overflow: hidden;
}
.contact__bg {
  position: absolute;
  inset: -10%;
  z-index: -1;
  background-image: url(../assets/images/hero-bw.png);
  background-size: cover;
  background-position: center;
  filter: grayscale(100%) contrast(1.4) invert(100%);
  opacity: 0.06;
  pointer-events: none;
  animation: contact-drift 32s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes contact-drift {
  from { transform: translate3d(0, 0, 0) scale(1.05); }
  to   { transform: translate3d(-3%, -2%, 0) scale(1.12); }
}
.section--contact .section__index {
  color: var(--paper);
  border-top-color: var(--paper);
}
.section--contact .section__title { color: var(--paper); }
.section--contact .section__title em {
  text-decoration-color: var(--paper);
}
.section--contact .section__lead { color: var(--paper-3); font-weight: 600; }
.section--contact .section__lead strong { background: var(--paper); color: var(--ink); }
.contact__cta { margin: var(--space-5) 0 var(--space-3); }
.contact__alt { font-size: 0.92rem; color: var(--paper-3); font-weight: 700; }
.contact__alt a {
  color: var(--paper);
  font-weight: 900;
  font-size: 1.1em;
  border-bottom: 3px solid var(--paper);
  padding-bottom: 2px;
  letter-spacing: 0.04em;
}

/* ──── footer ──── */
.masthead-foot {
  background: var(--paper);
  border-top: var(--rule-xh);
  padding: var(--space-5) 0 var(--space-3);
}
.masthead-foot__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 var(--space-4);
  display: grid;
  gap: var(--space-3) var(--space-4);
  grid-template-columns: 1fr 1fr;
  align-items: start;
}
.masthead-foot__brand {}
.brand-large {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin: 0 0 var(--space-1);
}
.brand-by {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  color: var(--mute);
  margin: 0;
}
.masthead-foot__nav {
  display: flex; flex-direction: column; gap: var(--space-2);
  align-items: flex-end;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.005em;
}
.masthead-foot__nav a:hover {
  background: var(--ink); color: var(--paper);
  padding: 4px 8px; margin: -4px -8px;
  text-decoration: none;
}
.masthead-foot__nav a[aria-current="page"] {
  border-bottom: 3px solid var(--ink);
  padding-bottom: 2px;
}
.masthead-foot__index {
  grid-column: 1 / -1;
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: var(--space-2);
  border-top: var(--rule);
  padding-top: var(--space-3);
  margin-top: var(--space-3);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--mute);
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .masthead-foot__inner { grid-template-columns: 1fr; }
  .masthead-foot__nav { align-items: flex-start; }
}

/* ──── legal pages ──── */
.legal-page { padding: var(--space-5) 0 var(--space-7); }
.legal-page__inner { max-width: var(--maxw-narrow); }
.legal-page h1 {
  margin-bottom: var(--space-5);
  border-bottom: var(--rule-xh);
  padding-bottom: var(--space-3);
  letter-spacing: -0.04em;
}
.legal-page__intro {
  font-size: 1.1rem;
  font-weight: 600;
  border-left: 6px solid var(--ink);
  background: var(--paper-2);
  padding: var(--space-3);
  margin: 0 0 var(--space-5);
  line-height: 1.7;
}
.legal-page section { margin: var(--space-4) 0; }
.legal-page h2 {
  font-size: clamp(1.2rem, 0.6vw + 1.05rem, 1.5rem);
  font-weight: 900;
  margin: 0 0 var(--space-2);
  padding: var(--space-3) 0 var(--space-1);
  border-top: var(--rule-h);
  letter-spacing: -0.005em;
  line-height: 1.2;
}
.legal-page section:first-of-type h2 { padding-top: 0; border-top: 0; }
.legal-page__address {
  font-style: normal;
  background: var(--paper-2);
  border: 2px solid var(--ink);
  padding: var(--space-3);
  font-weight: 600;
  line-height: 1.8;
}
.legal-page__address strong { font-weight: 900; }
.legal-page__address a { font-weight: 700; border-bottom: 2px solid var(--ink); }
.legal-page__updated {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: var(--rule-h);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  display: grid;
  gap: var(--space-1);
}
.legal-page__updated span {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  padding: 2px 8px;
  margin-right: var(--space-2);
}

.legal-table {
  margin: var(--space-4) 0 0;
  border-top: var(--rule-h);
  border-left: var(--rule);
}
.legal-table > div {
  display: grid;
  grid-template-columns: 230px 1fr;
  border-right: var(--rule);
  border-bottom: var(--rule);
}
.legal-table dt {
  padding: var(--space-3);
  font-weight: 900;
  background: var(--paper-2);
  border-right: var(--rule);
  font-size: 0.95rem;
  letter-spacing: -0.005em;
}
.legal-table dd {
  margin: 0;
  padding: var(--space-3);
  font-weight: 600;
  font-size: 0.96rem;
  line-height: 1.7;
}
.legal-table dd p { margin: 0 0 var(--space-2); }
.legal-table dd p:last-child { margin: 0; }
.legal-table dd strong {
  font-weight: 900;
  background: var(--ink);
  color: var(--paper);
  padding: 0 0.3em;
}

@media (max-width: 720px) {
  .legal-table > div { grid-template-columns: 1fr; }
  .legal-table dt { border-right: 0; border-bottom: var(--rule); padding-bottom: var(--space-1); }
}

/* ──── animations ──── */

/* scroll reveal (only when JS sets js-ready) */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s cubic-bezier(.16, 1, .3, 1),
    transform 0.8s cubic-bezier(.16, 1, .3, 1);
  transition-delay: calc(var(--i, 0) * 70ms);
  will-change: opacity, transform;
}
.js-ready [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* hero entrance (typography fades up + highlight bars draw in) */
.hero__title {
  animation: hero-up 1.0s .1s cubic-bezier(.16, 1, .3, 1) backwards;
}
.hero__lead { animation: hero-up 0.9s .35s cubic-bezier(.16, 1, .3, 1) backwards; }
.hero__actions { animation: hero-up 0.9s .55s cubic-bezier(.16, 1, .3, 1) backwards; }
.hero__index { animation: hero-up 0.9s .75s cubic-bezier(.16, 1, .3, 1) backwards; }
.meta--top { animation: hero-up 0.9s 0s cubic-bezier(.16, 1, .3, 1) backwards; }

@keyframes hero-up {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}

/* button pointer-track shadow (set via JS) */
.btn { transform: translate(0, 0); }
.btn:hover {
  transform: translate(var(--btn-tx, -3px), var(--btn-ty, -3px));
}

/* number tick on hover for big-list items */
.big-list li {
  transition: background .2s ease, padding .25s cubic-bezier(.16,1,.3,1);
}
.big-list li:hover {
  padding-left: var(--space-3);
}
.big-list__num { transition: transform .3s cubic-bezier(.16,1,.3,1); }
.big-list li:hover .big-list__num { transform: translateX(6px); }

/* card lift on hover for plans */
.plan { transition: background .2s ease, transform .25s cubic-bezier(.16,1,.3,1); }
.plan:hover:not(.plan--featured) { transform: translateY(-4px); }

/* syllabus card subtle lift */
.syllabus li { transition: background .2s ease, transform .25s cubic-bezier(.16,1,.3,1); }
.syllabus li:hover { transform: translateY(-3px); }

/* underline draw-in for em on reveal (subtle) */
.js-ready [data-reveal] em { transition: text-decoration-thickness .6s ease .3s; }

/* ──── a11y ──── */
:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto !important; }
  .js-ready [data-reveal] { opacity: 1 !important; transform: none !important; }
}