/* ==========================================================
   St. Ambrose × Mount Mercy — new-business pitch page
   Built from "sau new biz site.psd" (1920 × 7902). Measurements
   in comments are PSD pixels at 1920 wide.
   ========================================================== */

:root {
  --ink: #606262;          /* body copy, headings on white */
  --band: #464646;         /* phase bands */
  --footer: #3f3f3f;
  --accent: #8bcade;       /* callout + degree cards */
  --white: #ffffff;

  --font: "acumin-pro", "Archivo", "Helvetica Neue", Arial, sans-serif;
  --stretch: 100%;         /* Archivo's normal width wraps like Acumin Pro's */

  --wrap: 1216px;          /* 352 → 1568 in the PSD */
  --gutter: clamp(20px, 4vw, 48px);

  --h1: clamp(38px, 3.15vw, 60px);
  --h2: clamp(32px, 2.6vw, 50px);
  /* Copy under the band titles: 24px at 1920 (the PSD has 30; Ethan wants 24),
     held at 4/3 of body copy so it stays one step above it at every width. */
  --sub: calc(var(--body) * 4 / 3);
  --h3: clamp(20px, 1.25vw, 24px);
  --body: clamp(16px, 0.94vw + 2px, 18px);

  --section-top: clamp(64px, 6vw, 111px);
  --section-bottom: clamp(72px, 8vw, 160px);
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font);
  font-stretch: var(--stretch);
  font-size: var(--body);
  line-height: 1.22;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }
p, ul, h1, h2, h3 { margin: 0; }
ul { padding: 0; list-style: none; }
strong { font-weight: 700; }
a { color: inherit; }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Hero (0 → 1000) ---------- */
.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 520px;
  overflow: hidden;
  background: #000;
  color: var(--white);
  z-index: 0;
}

.hero__bg,
.hero__shade { position: absolute; inset: 0; }

.hero__media {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transform-origin: 50% 55%;
}

/* The PSD's Color Fill 4 (black at 20%) was for the photo. The header loop
   comes pre-darkened, so the shade starts clear and only darkens as
   chapter 1 rises over the hero (motion.js). */
.hero__shade {
  background: #000;
  opacity: 0;
}

.hero__logo {
  position: absolute;
  top: clamp(20px, 1.8vw, 34px);
  left: clamp(20px, 2.1vw, 40px);
  width: clamp(170px, 14.2vw, 272px);
  z-index: 2;
}

.hero__content {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  /* "what's your story?" sits at y≈485 of 1000 */
  padding-bottom: 3vh;
  z-index: 1;
}

.hero__title {
  font-weight: 400;
  font-size: var(--h1);
  line-height: 1;
  letter-spacing: -0.005em;
  text-align: center;
  padding: 0 var(--gutter);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.18);
}

.hero__cue {
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: 1px;
  height: 56px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.3);
  overflow: hidden;
  z-index: 2;
}

.hero__cue span {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 40%;
  background: var(--white);
  animation: cue 2.2s cubic-bezier(0.6, 0, 0.3, 1) infinite;
}

@keyframes cue {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(260%); }
}

.hero-hold { display: none; }

/* ---------- Chapters ---------- */
.chapter {
  position: relative;
  background: var(--white);
}

/* Intro (1000 → 1382) */
.intro {
  padding: clamp(72px, 7.6vw, 146px) 0 clamp(72px, 8vw, 153px);
}

.intro__copy {
  max-width: calc(1236px + var(--gutter) * 2);
}

/* Phase band (417 tall) */
.band {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1vw, 18px);
  min-height: clamp(240px, 21.7vw, 417px);
  padding: 48px var(--gutter);
  background: var(--band);
  color: var(--white);
  text-align: center;
}

.band__title {
  font-weight: 400;
  font-size: var(--h2);
  line-height: 1.05;
}

.band__sub {
  font-size: var(--sub);
  line-height: 1.2;
  max-width: 32em;
}

/* Content block under a band */
.block {
  padding: var(--section-top) 0 var(--section-bottom);
}

.h2 {
  font-weight: 400;
  font-size: var(--h2);
  line-height: 1.05;
  margin-bottom: clamp(24px, 2vw, 40px);
}

.h3 {
  font-weight: 700;
  font-size: var(--h3);
  line-height: 1.15;
}

.para { max-width: 1140px; }
.para + .para { margin-top: clamp(22px, 2vw, 39px); }

/* The story: three lead-ins on a 33px leading */
.lines p { line-height: 33px; max-width: 1140px; }

.duo {
  display: grid;
  grid-template-columns: minmax(0, 490px) minmax(0, 513px);
  column-gap: 64px;
  margin: 50px 0 46px;
  padding-left: 7px;
}

.callout {
  margin-top: clamp(32px, 2.4vw, 46px);
  max-width: 1138px;
  background: var(--accent);
  color: var(--white);
  padding: 33px clamp(24px, 5vw, 100px) 36px clamp(24px, 2.25vw, 43px);
}

/* The process */
.block--process { padding-top: clamp(32px, 2.7vw, 52px); }

.wheel {
  width: min(944px, calc(100% - var(--gutter) * 2));
  margin: 0 auto clamp(12px, 1.2vw, 22px);
  /* The PSD sets the wheel 61px left of centre (427 → 1371), which
     balances its longer labels on the left. */
  transform: translateX(-6.5%);
}

@media (max-width: 900px) {
  .wheel { transform: none; }
}

.wheel__img { width: 100%; }

.steps li { line-height: 33px; max-width: 1160px; }

/* The product: three degree cards (362 × 76) */
.degrees {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 362px));
  column-gap: clamp(20px, 2.7vw, 52px);
  margin: 0 0 clamp(36px, 3.4vw, 65px);
}

.degree {
  display: grid;
  place-items: center;
  min-height: 76px;
  padding: 12px 16px;
  background: var(--accent);
  color: var(--ink);
  font-weight: 700;
  font-size: var(--h3);
  line-height: 1.1;
  text-align: center;
}

/* The programs */
.schools {
  display: grid;
  grid-template-columns: minmax(0, 382px) minmax(0, 460px);
  margin-top: clamp(40px, 3.8vw, 73px);
  padding-left: 7px;
}

.school .h3 { margin-bottom: 26px; }

.bullets li,
.drivers li { line-height: 28px; }

.bullets li::before { content: "• "; }

/* Product development */
.h3--drivers { margin: clamp(32px, 2.7vw, 51px) 0 26px; }

/* Footer (152 tall) */
.footer {
  display: grid;
  place-items: center;
  min-height: 152px;
  padding: 32px var(--gutter);
  background: var(--footer);
}

.footer__logo { width: clamp(200px, 14.9vw, 286px); }

/* ---------- Small screens ---------- */
@media (max-width: 900px) {
  .duo,
  .schools {
    grid-template-columns: 1fr;
    row-gap: 28px;
    padding-left: 0;
  }

  .degrees {
    grid-template-columns: 1fr;
    row-gap: 14px;
    max-width: 420px;
  }

  .lines p,
  .steps li { line-height: 1.5; }

  .lines p + p,
  .steps li + li { margin-top: 10px; }

  .callout { padding: 26px 24px 28px; }
}

/* ==========================================================
   Scroll motion — modelled on teeej.ai's curtain.js and
   invictus-tc.com's motion.js. Every class below is added by
   js/motion.js, so with no JS (or reduced motion) the page
   is a plain, fully visible scroll.
   ========================================================== */

/* 1. The curtain stack. The hero holds for 70% of a screen,
      then each chapter rises over the one before it and holds
      while the next one covers it. --stick is set per chapter
      by motion.js so a chapter taller than the screen holds
      on its last screenful, not its first. */
.has-stack .hero {
  position: sticky;
  top: 0;
}

.has-stack .hero-hold {
  display: block;
  height: 70vh;
  height: 70svh;
}

/* Pause between a finished white section and the next gray band. Added by
   motion.js after each chapter except the last. */
.chapter-hold {
  height: 32vh;
  height: 32svh;
}

.has-stack .chapter {
  position: sticky;
  top: var(--stick, 0px);
  box-shadow: 0 -24px 60px rgba(0, 0, 0, 0.22);
}

/* The covered chapter darkens as the next one rides over it. */
.has-stack .chapter::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #000;
  opacity: var(--shade, 0);
  pointer-events: none;
}

/* 2. Fade-in: copy rises 22px into place, replaying on re-entry. */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.fade-in.is-visible {
  opacity: 1;
  transform: none;
}

/* 3. Side-in: paired columns slide in from their own edge. */
.side-in-left,
.side-in-right {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.side-in-left { transform: translateX(-72px); }
.side-in-right { transform: translateX(72px); }

.side-in-left.is-visible,
.side-in-right.is-visible {
  opacity: 1;
  transform: none;
}

/* 4. Band titles: each word rises out of a mask. */
.words .w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding-bottom: 0.08em;
  margin-bottom: -0.08em;
}

.words .w > span {
  display: inline-block;
  transform: translateY(105%);
  transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: calc(var(--i, 0) * 70ms);
}

.words.is-visible .w > span { transform: none; }

.band__sub.fade-in { transition-delay: 0.25s; }

/* 5. Callout wipes open left to right. The wipe is a background layer,
      not a clip-path on the box: Chrome's IntersectionObserver counts the
      target's own clip-path, so a fully clipped box never "enters" view. */
.wipe {
  position: relative;
  background: transparent;
}

.wipe::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 1.1s cubic-bezier(0.65, 0, 0.2, 1);
}

.wipe.is-visible::before { transform: none; }

.wipe > p {
  position: relative;
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 0.6s ease 0.45s, transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) 0.45s;
}

.wipe.is-visible > p { opacity: 1; transform: none; }

/* Hero cue fades as the hero starts to move. */
.has-stack .hero__cue { transition: opacity 0.4s ease; }
.is-scrolled .hero__cue { opacity: 0; }

@media (prefers-reduced-motion: reduce) {
  .hero__cue span { animation: none; }
}