/* ═══════════════════════════════════════════════════════════════════════
   LEICA LUX – CASE STUDY TEMPLATE
   Brand palette: Red #E2001A · Black #0A0A0A · Off-white #F8F7F5
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── TOKENS ──────────────────────────────────────────────────────────── */
:root {
  --red:          #E2001A;
  --red-dark:     #B5001C;
  --black:        #0A0A0A;
  --dark:         #1A1919;
  --mid:          #5A5A5A;
  --subtle:       #9A9A9A;
  --border:       #E0DDD8;
  --surface:      #F8F7F5;
  --white:        #FFFFFF;

  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --font-serif:   'Cormorant Garamond', Georgia, serif;

  --max-w:        1280px;
  --max-w-narrow: 760px;

  --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
}

/* ─── RESET ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }

a { color: inherit; text-decoration: none; }

/* ─── SCROLL REVEAL ───────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* staggered children */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }

/* ─── CONTAINERS ──────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(24px, 5vw, 80px);
}
.container--narrow {
  max-width: var(--max-w-narrow);
  margin-inline: auto;
  padding-inline: clamp(24px, 5vw, 80px);
}

/* ─── NAVIGATION ──────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(24px, 5vw, 80px);
  height: 64px;
  /* fully transparent at very top */
  background: transparent;
  backdrop-filter: blur(0px) saturate(100%);
  -webkit-backdrop-filter: blur(0px) saturate(100%);
  border-bottom: 1px solid transparent;
  transition:
    background 0.6s var(--ease-out),
    border-color 0.6s var(--ease-out),
    backdrop-filter 0.6s var(--ease-out),
    -webkit-backdrop-filter 0.6s var(--ease-out);
}

/* liquid glass pseudo-element — top specular highlight */
.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 0;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.06) 0%,
    transparent 100%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}

/* scrolled over hero — dark liquid glass */
.nav.nav--scrolled {
  background: rgba(8, 8, 8, 0.35);
  backdrop-filter: blur(24px) saturate(180%) brightness(1.05);
  -webkit-backdrop-filter: blur(24px) saturate(180%) brightness(1.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}
.nav.nav--scrolled::before { opacity: 1; }

/* past hero — light liquid glass */
.nav.nav--light {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(28px) saturate(200%) brightness(1.12);
  -webkit-backdrop-filter: blur(28px) saturate(200%) brightness(1.12);
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}
.nav.nav--light::before {
  background: linear-gradient(180deg, rgba(255,255,255,0.18) 0%, transparent 100%);
  opacity: 1;
}

/* back-to-top button */
/* left group: section nav + back-to-top overlap */
.nav__left {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-width: 220px;
}

.nav__back-top {
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-sans);
  transition: color 0.2s, opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
}
/* only show back-to-top when at the last section */
.nav--at-contact .nav__back-top {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.nav__back-top:hover { color: var(--white); }

.nav__logo {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--white);
  text-transform: uppercase;
}

.nav__right-cta {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.nav__cta {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red);
  transition: color 0.2s, opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.nav__cta:hover { color: #ff2234; }

/* back-to-top button — shown when at the last section */
.nav__cta--top {
  position: absolute;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  padding: 0;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
}
.nav__cta--top:hover { color: #ff2234; }

/* swap: hide Contact, reveal Top */
.nav--at-contact .nav__cta:not(.nav__cta--top) {
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
}
.nav--at-contact .nav__cta--top {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* light nav variants */
.nav--light .nav__back-top { color: var(--mid); }
.nav--light .nav__back-top:hover { color: var(--black); }
.nav--light .nav__logo { color: var(--black); }
.nav--light .nav__cta { color: var(--red); }

/* section nav: hidden until user scrolls past hero */
.nav__section-nav {
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  pointer-events: none;
}
.nav__section-nav.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
/* hide section nav when at last section */
.nav--at-contact .nav__section-nav {
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
}

.nav__section-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  min-width: 148px;
  text-align: center;
  transition: opacity 0.15s ease, color 0.3s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav--light .nav__section-label { color: var(--mid); }

.nav__section-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  background: none;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50%;
  color: rgba(255,255,255,0.45);
  cursor: pointer;
  padding: 0;
  font-family: var(--font-sans);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.nav__section-btn:hover {
  border-color: rgba(255,255,255,0.55);
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.nav__section-btn:disabled {
  opacity: 0.2;
  cursor: default;
  pointer-events: none;
}
.nav--light .nav__section-btn {
  border-color: rgba(0,0,0,0.14);
  color: var(--mid);
}
.nav--light .nav__section-btn:hover {
  border-color: rgba(0,0,0,0.3);
  color: var(--black);
  background: rgba(0,0,0,0.05);
}

/* hide section label text on small screens, keep just arrows */
@media (max-width: 600px) {
  .nav__section-label { display: none; }
  .nav__section-nav { gap: 6px; }
}

/* ─── APPLE-STYLE SCROLL ANIMATIONS ──────────────────────────────────── */

/* slide in from left */
.slide-left {
  opacity: 0;
  transform: translateX(-48px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
}
.slide-left.visible { opacity: 1; transform: translateX(0); }

/* slide in from right */
.slide-right {
  opacity: 0;
  transform: translateX(48px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
}
.slide-right.visible { opacity: 1; transform: translateX(0); }

/* scale up reveal (for images, full-width blocks) */
.scale-reveal {
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.scale-reveal.visible { opacity: 1; transform: scale(1); }

/* image inner Ken-Burns on reveal */
.media-block img,
.full-image img {
  transform: scale(1.04);
  transition: transform 1.1s var(--ease-out), opacity 0.6s ease;
}
.slide-right.visible .media-block img,
.slide-left.visible .media-block img,
.scale-reveal.visible img,
.reveal.visible .full-image img,
.full-image.visible img {
  transform: scale(1);
}

/* stagger delays for pillar items */
.pillars .pillar:nth-child(1) { transition-delay: 0s; }
.pillars .pillar:nth-child(2) { transition-delay: 0.12s; }
.pillars .pillar:nth-child(3) { transition-delay: 0.24s; }

/* screen items stagger */
.screens-grid .screen-item:nth-child(1) { transition-delay: 0s; }
.screens-grid .screen-item:nth-child(2) { transition-delay: 0.1s; }
.screens-grid .screen-item:nth-child(3) { transition-delay: 0.2s; }
.screens-grid .screen-item:nth-child(4) { transition-delay: 0.3s; }

/* ─── HERO SCROLL ARROW ───────────────────────────────────────────────── */
.hero__scroll-arrow {
  position: absolute;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.25s;
  cursor: pointer;
  text-decoration: none;
}
.hero__scroll-arrow:hover {
  color: rgba(255, 255, 255, 0.9);
}
.hero__scroll-arrow-icon {
  width: 28px;
  height: 44px;
  animation: arrowBounce 2.2s var(--ease-out) infinite;
}
@keyframes arrowBounce {
  0%   { transform: translateY(0);    opacity: 0.55; }
  40%  { transform: translateY(8px);  opacity: 1;    }
  60%  { transform: translateY(4px);  opacity: 0.85; }
  100% { transform: translateY(0);    opacity: 0.55; }
}

/* ─── HERO ────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 600px;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
}
.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.5;
}
.hero__gradient {
  position: absolute;
  inset: 0;
  background:
    /* radial vignette — deepens the center behind text */
    radial-gradient(ellipse 90% 70% at 50% 50%, rgba(10,10,10,0.38) 0%, transparent 75%),
    /* top & bottom linear darkening */
    linear-gradient(
      to bottom,
      rgba(10,10,10,0.55) 0%,
      rgba(10,10,10,0.08) 30%,
      rgba(10,10,10,0.08) 68%,
      rgba(10,10,10,0.70) 100%
    );
}

/* hero placeholder when no image */
.hero__media:not(:has(img[src])),
.hero__media img[src="assets/images/hero.jpg"]:not([complete]) {
  background: linear-gradient(135deg, #1a1919 0%, #2a1010 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: clamp(48px, 8vw, 120px) clamp(24px, 5vw, 80px);
  max-width: 880px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #ff4455;
  margin-bottom: 20px;
  transition-delay: 0.1s;
  text-shadow: 0 1px 16px rgba(0,0,0,0.8), 0 0 32px rgba(0,0,0,0.5);
}

.hero__title {
  font-family: var(--font-sans);
  font-size: clamp(48px, 7vw, 100px);
  font-weight: 300;
  line-height: 1.0;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  transition-delay: 0.2s;
  text-shadow: 0 2px 24px rgba(0,0,0,0.5), 0 1px 6px rgba(0,0,0,0.35);
}
.hero__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  color: rgba(255,255,255,0.7);
  text-shadow: 0 2px 24px rgba(0,0,0,0.55), 0 1px 6px rgba(0,0,0,0.4);
}

.hero__sub {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  line-height: 1.6;
  text-align: center;
  transition-delay: 0.3s;
  text-shadow: 0 1px 16px rgba(0,0,0,0.55);
}

/* ─── META BAR ─────────────────────────────────────────────────────── */
.meta-bar {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  background: var(--surface);
}
.meta-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 400;
  color: var(--mid);
  letter-spacing: 0.01em;
  text-align: center;
}
.meta-bar__sep {
  color: var(--border);
  margin: 0 8px;
  font-size: 16px;
  line-height: 1;
}

/* ─── TAG PILLS ────────────────────────────────────────────────────── */
.pills-bar {
  padding: 18px 0 24px;
  border-bottom: 1px solid var(--border);
}
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.pill {
  display: inline-block;
  padding: 4px 13px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.pill:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
/* ─── SECTION BASE ────────────────────────────────────────────────────── */
.section {
  padding: clamp(80px, 10vw, 160px) 0;
}
.section--tinted { background: var(--surface); }

/* first content section sits right after pills-bar — tighten top by 20% */
.section--intro {
  padding-top: clamp(64px, 8vw, 128px);
}

.section__eyebrow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 20px;
  display: block;
}

.section__headline {
  font-family: var(--font-sans);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--black);
  margin-bottom: 32px;
}

.section__body {
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.8;
  color: var(--mid);
  margin-bottom: 20px;
}
.disclaimer {
  font-size: 12px;
  line-height: 1.7;
  color: var(--mid);
  border-left: 2px solid var(--border);
  padding: 10px 16px;
  margin: 28px 0;
  opacity: 0.7;
  font-style: italic;
}
.disclaimer strong {
  font-style: normal;
  color: var(--black);
  font-weight: 500;
}

/* ─── INTRO ───────────────────────────────────────────────────────────── */
.section--intro .section__headline {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.5vw, 58px);
  font-style: italic;
  font-weight: 300;
  letter-spacing: -0.01em;
}

/* ─── TASKS · CHALLENGES · ACHIEVEMENTS ──────────────────────────── */
.tca {
  background: var(--black);
  padding: clamp(72px, 9vw, 120px) 0;
}
.tca__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.tca__col {
  padding: 0 clamp(28px, 4vw, 56px);
  border-left: 1px solid rgba(255,255,255,0.07);
}
.tca__col:first-child {
  border-left: none;
  padding-left: 0;
}

/* header: icon + roman numeral + title */
.tca__header {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: relative;
}

/* thin red top accent bar */
.tca__col::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--red);
  margin-bottom: 28px;
}

.tca__icon {
  color: var(--red);
  margin-bottom: 20px;
  opacity: 0.85;
}
.tca__num {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  font-size: 36px;
  color: rgba(255,255,255,0.85);
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.tca__title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
}

.tca__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.tca__list li {
  font-size: clamp(13px, 1.05vw, 14px);
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  padding: 14px 0 14px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  position: relative;
}
.tca__list li:last-child {
  border-bottom: none;
}
.tca__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 22px;
  width: 4px;
  height: 1px;
  background: var(--red);
  opacity: 0.7;
}
/* ─── FULL-WIDTH IMAGE ────────────────────────────────────────────────── */
.full-image {
  aspect-ratio: 21/9;
  overflow: hidden;
  position: relative;
  background: var(--surface);
}
.full-image--tall { aspect-ratio: 16/7; }

.full-image img { width: 100%; height: 100%; }

.full-image__caption {
  position: absolute;
  bottom: 20px;
  right: clamp(24px, 5vw, 80px);
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
}

/* placeholder when no image */
.full-image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1919 0%, #0e0e0e 100%);
}
.full-image--placeholder::before {
  content: 'Image placeholder';
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
}

/* ─── SPLIT LAYOUT ────────────────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 100px);
  align-items: center;
}
.split--reversed .split__text { order: 2; }
.split--reversed .split__media { order: 1; }

.split__media {
  display: flex;
  justify-content: center;
}

/* ─── IPHONE X MOCKUP — pure-css-iphone-x-mockup by Adiel Hercules ─── */
/*     fully responsive: all px values converted to % so it scales        */

@keyframes scrollScreen {
  0%   { transform: translateY(0); }
  5%   { transform: translateY(0); }
  55%  { transform: translateY(-39%); }
  72%  { transform: translateY(-39%); }
  92%  { transform: translateY(0); }
  100% { transform: translateY(0); }
}

/* Wrapper: provides padding for side-button protrusion outside overflow:hidden */
.iphone-x-wrap {
  position: relative;
  padding: 0 6px;   /* 6px each side = breathing room for button bumps */
  display: flex;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
}

/* Volume buttons — left (two bumps encoded as element + box-shadow) */
.iphone-x-wrap::before {
  content: '';
  position: absolute;
  left: 0;
  top: 24%;
  width: 4px;
  height: 9%;
  background: #1f1f1f;
  border-radius: 4px 0 0 4px;
  /* second volume button offset below via box-shadow */
  box-shadow: 0 calc(100% + 5px) 0 2px #1f1f1f;
  z-index: 10;
  pointer-events: none;
}

/* Power / side button — right */
.iphone-x-wrap::after {
  content: '';
  position: absolute;
  right: 0;
  top: 32%;
  width: 4px;
  height: 14%;
  background: #1f1f1f;
  border-radius: 0 4px 4px 0;
  z-index: 10;
  pointer-events: none;
}

.iphone-x {
  position: relative;
  width: 100%;
  aspect-ratio: 360 / 780;
  /* fallback colour when image is loading */
  background-color: #1a1a1e;
  border-radius: 11.1%;     /* 40/360 = 11.1% — scales with width */
  /* ONLY triple-ring frame — no extra drop shadow that halos on light bg */
  box-shadow:
    0 0 0 11px #1f1f1f,
    0 0 0 13px #191919,
    0 0 0 20px #111111;
  overflow: hidden;
}

/* notch bar — dark slab across the top with pillowed bottom corners */
.iphone-x::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 56%;
  height: 3.85%;     /* 30px / 780px */
  background-color: #1f1f1f;
  border-radius: 0 0 5.13% 5.13%;  /* 40px / 780px */
  z-index: 5;
}

/* home indicator bar */
.iphone-x::after {
  content: '';
  position: absolute;
  bottom: 0.9%;     /* 7px / 780px */
  left: 50%;
  transform: translateX(-50%);
  width: 38.9%;     /* 140px / 360px */
  height: 0.51%;    /* 4px / 780px */
  min-height: 3px;
  background-color: rgba(242,242,242,0.7);
  border-radius: 10px;
  z-index: 5;
}

/* speaker pill */
.iphone-x i {
  position: absolute;
  top: 0.77%;       /* 6px / 780px */
  left: 50%;
  transform: translateX(-50%);
  height: 1.03%;    /* 8px / 780px */
  min-height: 5px;
  width: 15%;
  background-color: #101010;
  border-radius: 8px;
  box-shadow: inset 0 -3px 3px rgba(255,255,255,0.2);
  z-index: 6;
  display: block;
  color: transparent;
}

/* camera dot — 60% from left = just right of centre speaker */
.iphone-x b {
  position: absolute;
  top: 0.51%;       /* 4px / 780px */
  left: 60%;
  width: 3.33%;     /* 12px / 360px */
  aspect-ratio: 1;
  background-color: #101010;
  border-radius: 50%;
  box-shadow: inset 0 -3px 2px rgba(255,255,255,0.2);
  z-index: 6;
  display: block;
  color: transparent;
}
.iphone-x b::after {
  content: '';
  position: absolute;
  background-color: #2d4d76;
  width: 50%;
  height: 50%;
  top: 25%;
  left: 25%;
  border-radius: 50%;
  box-shadow: inset 0 -2px 2px rgba(0,0,0,0.5);
}

/* screen image — taller than phone so scroll animation reveals content */
.iphone-x img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  display: block;
  z-index: 1;
  transform: translateY(0);
  will-change: transform;
}

/* fire scroll animation when phone enters viewport */
.visible .iphone-x img {
  animation: scrollScreen 7s var(--ease-out) 0.5s infinite;
}

/* slower loop for large split-section phones */
.slide-right.visible .iphone-x--large img,
.slide-left.visible  .iphone-x--large img {
  animation: scrollScreen 9s var(--ease-out) 0.8s infinite;
}

/* pause on hover */
.iphone-x:hover img {
  animation-play-state: paused;
}

/* size modifier for split sections — applied to the wrapper */
.iphone-x-wrap.large {
  max-width: 300px;
}
/* backward compat: --large on the phone element itself */
.iphone-x--large {
  max-width: 300px;
}

/* staggered delays for the 4-screen grid */
.screens-grid .screen-item:nth-child(1) .iphone-x img { animation-delay: 0.3s; }
.screens-grid .screen-item:nth-child(2) .iphone-x img { animation-delay: 0.8s; }
.screens-grid .screen-item:nth-child(3) .iphone-x img { animation-delay: 1.3s; }
.screens-grid .screen-item:nth-child(4) .iphone-x img { animation-delay: 1.8s; }

/* old media-block kept for safe fallback */
.media-block {
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 2px;
  background: var(--surface);
}

/* ─── DEVICES.CSS INTEGRATION OVERRIDES ──────────────────────────────── */

/* Lift device above slide-transform stacking context */
.device.device-iphone-x {
  position: relative;
  z-index: 2;
  /* scale down from the fixed 694×342px to fit layout */
  transform-origin: top center;
}

/* Large variant for split sections */
.device-iphone-x--large {
  transform: scale(0.72);
  margin-bottom: calc((694px * 0.72 - 694px)); /* collapse negative space */
}

/* Small variant for the 4-up grid */
.device-iphone-x--small {
  transform: scale(0.46);
  margin-bottom: calc((694px * 0.46 - 694px));
}

/* Screen image inside device — override global img rule */
.device .device-content img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: inherit;
}

/* Clip screen image to rounded corners */
.device-iphone-x .device-content {
  overflow: hidden;
}

/* Ensure split__media doesn't clip the side buttons */
.split__media {
  overflow: visible;
}

/* screen-item: also needs visible overflow for side buttons */
.screen-item {
  overflow: visible;
}

/* Ensure scroll-reveal parents don't create a clipping context */
.slide-left,
.slide-right {
  isolation: isolate;
}

/* ─── FEATURE LIST ────────────────────────────────────────────────────── */
.feature-list {
  list-style: none;
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.feature-list li {
  display: grid;
  grid-template-columns: 20px 150px 1fr;
  align-items: start;
  column-gap: 20px;
  font-size: 15px;
  line-height: 1.6;
}
.feature-list li::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--red);
  flex-shrink: 0;
  margin-top: 11px;
}
.fl__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--black);
  line-height: 1.5;
}
.fl__desc {
  color: var(--mid);
  font-size: 15px;
  line-height: 1.6;
}

/* ─── PILLARS ─────────────────────────────────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 64px);
  margin-top: 64px;
  padding-top: 64px;
  border-top: 1px solid var(--border);
}
.pillar__number {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 48px;
  font-weight: 300;
  color: var(--red);
  margin-bottom: 24px;
  line-height: 1;
}
.pillar__title {
  font-size: 18px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.pillar__body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mid);
}

/* ─── SCREENS SLIDESHOW ───────────────────────────────────────────────── */
.section--screens {
  background: var(--black);
  padding: clamp(64px, 8vw, 120px) 0;
}
.section--screens .section__eyebrow {
  color: rgba(255, 255, 255, 0.35);
}
.section__headline--light {
  color: var(--white);
}

/* slideshow wrapper */
.slideshow {
  margin-top: 56px;
  padding-bottom: 64px;
}

/* each slide: hidden by default, grid when active */
.slide {
  display: none;
  grid-template-columns: 222px 1fr 222px;
  align-items: center;
  gap: 48px;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
}
.slide--active {
  display: grid;
  animation: slideFadeUp 0.5s var(--ease-out) both;
}
@keyframes slideFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* phone wrapper — explicit visual dimensions, device positioned inside */
.slide__phone-wrap {
  position: relative;
  width: 222px;
  height: 451px;
  overflow: visible;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.slide__phone-wrap .device.device-iphone-x {
  position: absolute !important;
  top: 0;
  left: 0;
  transform: scale(0.65) !important;
  transform-origin: top left !important;
  margin-bottom: 0 !important;
}

/* label under each phone */
.slide__label {
  position: absolute;
  bottom: -28px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.slide__badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
}
.slide__badge--before {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
}
.slide__badge--after {
  background: rgba(226, 0, 26, 0.2);
  color: var(--red);
}

/* center info block */
.slide__info {
  text-align: center;
  padding: 0 16px;
}
.slide__step {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 56px;
  font-weight: 300;
  color: var(--red);
  line-height: 1;
  margin-bottom: 12px;
}
.slide__title {
  font-size: 22px;
  font-weight: 500;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.slide__desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.5);
}
.slide__desc strong {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}
.slide__arrow {
  margin-top: 24px;
  color: var(--red);
  opacity: 0.6;
  display: flex;
  justify-content: center;
}

/* navigation */
.slideshow__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 80px;
}
.slideshow__btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: transparent;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s;
}
.slideshow__btn:hover {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--white);
}
.slideshow__dots {
  display: flex;
  gap: 8px;
  align-items: center;
}
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.25s, transform 0.25s;
}
.dot--active {
  background: var(--red);
  transform: scale(1.4);
}

/* responsive: stack on mobile */
@media (max-width: 700px) {
  .slide {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    justify-items: center;
    gap: 48px;
    padding: 0 16px;
  }
  .slide__phone-wrap:last-of-type { order: 3; }
  .slide__info { order: 2; }
}

/* ─── OUTCOMES ────────────────────────────────────────────────────────── */
.outcomes {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 56px;
}
.outcome {
  flex: 1 1 200px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--red);
}
.outcome__icon {
  font-size: 20px;
  color: var(--red);
  line-height: 1.3;
  flex-shrink: 0;
}
.outcome p {
  font-size: 15px;
  line-height: 1.5;
  color: var(--mid);
}
.outcome strong {
  color: var(--black);
  font-weight: 600;
}

/* ─── QUOTE ───────────────────────────────────────────────────────────── */
.quote-section {
  background: var(--black);
  padding: clamp(80px, 10vw, 140px) 0;
}
.quote {
  border-left: 3px solid var(--red);
  padding-left: clamp(28px, 4vw, 56px);
}
.quote__text {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 36px);
  font-style: italic;
  font-weight: 300;
  line-height: 1.5;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}
.quote__author {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--subtle);
  text-transform: uppercase;
}

/* ─── CTA SECTION ─────────────────────────────────────────────────────── */
.cta-section {
  padding: clamp(80px, 10vw, 160px) 0;
  text-align: center;
}
.cta-section__title {
  font-family: var(--font-sans);
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: 20px;
}
.cta-section__sub {
  font-size: 13px;
  color: var(--mid);
  margin-bottom: 40px;
  letter-spacing: 0.01em;
}
.cta-section__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--black);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 2px solid var(--black);
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.cta-section__btn:hover {
  background: var(--red);
  border-color: var(--red);
}

/* ─── FOOTER ──────────────────────────────────────────────────────────── */
.footer {
  background: #0a0a0c;
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 0;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 52px;
  gap: 24px;
}

/* left */
.footer__left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.footer__copy {
  font-size: 11.5px;
  color: rgba(255,255,255,0.45);
  font-weight: 400;
}
.footer__sep {
  font-size: 11px;
  color: rgba(255,255,255,0.15);
}
.footer__role {
  font-size: 11px;
  color: rgba(255,255,255,0.22);
}

/* right */
.footer__right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer__label {
  font-size: 11px;
  color: rgba(255,255,255,0.22);
  margin-right: 4px;
  white-space: nowrap;
}

/* icon chip */
.footer__chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.45);
  cursor: default;
  transition: border-color 0.18s, background 0.18s, color 0.18s;
}
.footer__chip--text {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: -0.02em;
  width: auto;
  padding: 0 13px;
}
.footer__chip svg { display: block; }
.footer__chip img { display: block; }

/* tooltip bubble — shown on hover via data-tip */
.footer__chip::before,
.footer__chip::after {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.16s, transform 0.16s;
}
.footer__chip::before {
  content: attr(data-tip);
  background: rgba(22,22,26,0.97);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.82);
  font-size: 11px;
  font-family: var(--font-sans);
  font-weight: 400;
  white-space: nowrap;
  padding: 6px 10px;
  border-radius: 7px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  z-index: 100;
}
.footer__chip::after {
  content: '';
  bottom: calc(100% + 3px);
  border: 5px solid transparent;
  border-top-color: rgba(255,255,255,0.12);
  width: 0;
  height: 0;
  z-index: 101;
}
.footer__chip:hover {
  border-color: rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.9);
}
.footer__chip:hover::before,
.footer__chip:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── RESPONSIVE ──────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .split,
  .split--reversed {
    grid-template-columns: 1fr;
  }
  .split--reversed .split__text { order: 0; }
  .split--reversed .split__media { order: 0; }

  /* cap split mockup width on tablet */
  .iphone-x--large { max-width: 240px; }
  .iphone-x-wrap:has(.iphone-x--large) { max-width: 252px; } /* 240px + 12px button padding */

  .pillars {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .tca__grid { grid-template-columns: 1fr; }
  .tca__col {
    border-left: none !important;
    padding-left: 0 !important;
    border-top: 1px solid rgba(255,255,255,0.07);
    padding-top: 40px;
    margin-top: 8px;
  }
  .tca__col:first-child {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
  }

  .full-image { aspect-ratio: 16/9; }
  .full-image--tall { aspect-ratio: 16/9; }
}

@media (max-width: 600px) {
  .meta-bar__inner { font-size: 12px; }

  .full-image { aspect-ratio: 4/3; }

  .nav__cta { display: none; }

  .feature-list li {
    grid-template-columns: 20px 1fr;
    grid-template-rows: auto auto;
  }
  .fl__desc { grid-column: 2; }
}