/* ──────────────────────────────────────────────
   ongo · world-class landing
   ────────────────────────────────────────────── */

:root{
  --bg:            #ffffff;
  --bg-alt:        #f5f5f7;
  --bg-dark:       #0a0a0c;
  --text:          #1d1d1f;
  --text-dim:      #86868b;
  --text-invert:   #f5f5f7;
  --line:          rgba(0,0,0,0.08);
  --radius-lg:     28px;
  --radius-pill:   999px;
  --ease:          cubic-bezier(.2,.7,.2,1);
  --ease-out:      cubic-bezier(.16,1,.3,1);
  --nav-h:         56px;
  --max:           1200px;
  --pad-x:         clamp(18px, 5vw, 64px);
  --safe-l:        env(safe-area-inset-left, 0px);
  --safe-r:        env(safe-area-inset-right, 0px);
  --safe-b:        env(safe-area-inset-bottom, 0px);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", Helvetica, Arial, sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.47;
  font-size:17px;
  letter-spacing:-0.003em;
  overflow-x:hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ────────── TYPE ────────── */
.display{
  font-size: clamp(52px, 11vw, 128px);
  line-height: 0.96;
  letter-spacing: -0.035em;
  font-weight: 600;
  margin: 0.1em 0 0.3em;
}
.display--sm{
  font-size: clamp(42px, 7.4vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.03em;
}
.h1{
  font-size: clamp(34px, 6.4vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 0 0 0.4em;
}
.eyebrow{
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 16px;
}
.lede{
  font-size: clamp(17px, 1.6vw, 22px);
  line-height: 1.5;
  color: #3a3a3c;
  max-width: 56ch;
  margin: 0 0 28px;
}
.soft{ color: var(--text-dim); }
em{ font-style: italic; color: var(--text-dim); font-weight: 500; }

/* ────────── BUTTONS ────────── */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 14px 28px;
  min-height: 44px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  transition: transform .45s var(--ease-out), background .25s, color .25s, border-color .25s, box-shadow .45s var(--ease-out);
  cursor:pointer;
  white-space:nowrap;
  will-change: transform;
}
.btn--lg{ padding: 18px 34px; font-size: 16px; min-height: 52px; }
.btn--dark{
  background:#000; color:#fff;
  box-shadow: 0 10px 30px -12px rgba(0,0,0,0.45);
}
.btn--dark:hover{ transform: translateY(-2px); background:#111; box-shadow: 0 18px 40px -12px rgba(0,0,0,0.55); }
.btn--light{
  background:#fff; color:#000;
  box-shadow: 0 10px 30px -12px rgba(0,0,0,0.45);
}
.btn--light:hover{ transform: translateY(-2px); background:#f5f5f7; box-shadow: 0 22px 44px -14px rgba(0,0,0,0.55); }
.btn--ghost{ background: transparent; color: var(--text); border-color: transparent; }
.btn--ghost:hover{ color:#000; transform: translateX(2px); }
.btn--link-light{
  background: none;
  color: rgba(255,255,255,0.88);
  padding: 18px 8px;
  font-weight: 500;
}
.btn--link-light:hover{ color:#fff; text-decoration: underline; text-underline-offset: 3px; }
.btn--pill{ border-radius: var(--radius-pill); }

/* ────────── NAV ────────── */
.nav{
  position: fixed; inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 50;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(255,255,255,0.72);
  border-bottom: 1px solid transparent;
  transition: background .4s var(--ease), border-color .4s var(--ease);
  padding-left: var(--safe-l);
  padding-right: var(--safe-r);
}
.nav.is-scrolled{
  background: rgba(255,255,255,0.86);
  border-bottom-color: var(--line);
}
.nav__inner{
  max-width: var(--max);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}
.nav__brand{
  display: inline-flex;
  align-items: center;
  color: #000;
  line-height: 0;
}
.brand-mark{
  display: block;
  height: 22px;
  width: auto;
  transform-origin: left center;
  transition: transform .5s var(--ease-out);
}
.nav__brand:hover .brand-mark{ transform: scale(1.04); }
@media (max-width: 480px){
  .brand-mark{ height: 18px; }
}
.nav__links{
  display: flex; justify-content: center; gap: 36px;
  font-size: 13px;
  color: #2e2e30;
}
.nav__links a{ position: relative; opacity: .85; transition: opacity .25s; }
.nav__links a:hover{ opacity: 1; }
.nav__links a::after{
  content:""; position:absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: currentColor; transform: scaleX(0);
  transform-origin: left; transition: transform .45s var(--ease-out);
}
.nav__links a:hover::after{ transform: scaleX(1); }
.nav__cta{ padding: 10px 22px; font-size: 13px; min-height: 40px; }
.nav__cta-short{ display: none; }
@media (max-width: 720px){
  .nav__links{ display: none; }
  .nav__cta{ display: none; }
  .nav__inner{ grid-template-columns: 1fr; justify-items: start; }
}

/* ────────── HERO ────────── */
.hero{
  position: relative;
  min-height: min(100vh, 960px);
  padding: calc(var(--nav-h) + 40px) var(--pad-x) 80px;
  max-width: none;
  margin: 0;
  display: grid;
  place-items: center;
  color: #fff;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  filter: contrast(1.04) saturate(1.06);
  transform: scale(1.06);
  transform-origin: center 55%;
  animation: heroZoom 24s cubic-bezier(.16,1,.3,1) forwards;
  will-change: transform;
}
@keyframes heroZoom{
  from{ transform: scale(1.08); }
  to  { transform: scale(1); }
}
.hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0.28) 0%, rgba(0,0,0,0.58) 65%, rgba(0,0,0,0.78) 100%),
    linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.18) 38%, rgba(0,0,0,0.55) 100%);
  z-index: -1;
}
.hero__inner{
  max-width: 920px;
  width: 100%;
  min-width: 0;
}
.hero__inner .eyebrow{
  color: rgba(255,255,255,0.72);
  margin-bottom: 26px;
  font-size: 11px;
  letter-spacing: 0.28em;
}
.hero__inner .display{
  color: #fff;
  margin: 0 auto 52px;
  max-width: 14ch;
  letter-spacing: -0.042em;
  line-height: 0.96;
  text-shadow: 0 2px 40px rgba(0,0,0,0.35);
}
.hero__inner .display em{
  color: rgba(255,255,255,0.58);
  font-style: italic;
  font-weight: 500;
}
.hero__cta{
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
@media (max-width: 900px){
  .hero{
    padding: calc(var(--nav-h) + 40px) var(--pad-x) 72px;
    min-height: min(88vh, 760px);
  }
  .hero__inner .display{ margin-bottom: 44px; }
  .hero__cta{ gap: 12px; }
  .hero__cta .btn--lg{ padding: 16px 26px; font-size: 15px; }
}
@media (max-width: 480px){
  .hero{
    padding-top: calc(var(--nav-h) + 32px);
    padding-bottom: 56px;
    min-height: 86vh;
  }
  .hero__inner .eyebrow{ margin-bottom: 20px; font-size: 10px; letter-spacing: 0.26em; }
  .hero__inner .display{ margin-bottom: 36px; letter-spacing: -0.038em; }
  .hero__cta{ width: 100%; flex-direction: column; gap: 10px; }
  .hero__cta .btn{ width: 100%; }
}

.scroll-hint{
  position: absolute; left: 50%; bottom: 26px;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.scroll-hint__line{
  width: 1px; height: 36px; background: currentColor;
  animation: scrollLine 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollLine{
  0%   { transform: scaleY(0); }
  40%  { transform: scaleY(1); }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ────────── STATEMENTS ────────── */
.statement{
  padding: clamp(90px, 18vw, 220px) var(--pad-x);
  max-width: var(--max);
  margin: 0 auto;
  text-align: center;
}
.statement__text{
  font-size: clamp(32px, 6.4vw, 88px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 600;
  max-width: min(16ch, 100%);
  margin: 0 auto;
  color: var(--text);
}

/* ────────── FEATURE ────────── */
.feature{
  padding: clamp(80px, 12vw, 160px) var(--pad-x);
  background: var(--bg-alt);
}
.feature__copy{
  max-width: var(--max);
  margin: 0 auto;
}
.feature__copy .lede{ max-width: 56ch; }

.specs{
  list-style: none; padding: 0; margin: 64px 0 0;
  max-width: var(--max);
  margin-left: auto; margin-right: auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px 40px;
  border-top: 1px solid var(--line);
  padding-top: 40px;
}
.specs li{ display:flex; flex-direction:column; gap:4px; }
.spec__k{
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #000;
}
.spec__v{ color: var(--text-dim); font-size: 14px; }

@media (max-width: 900px){
  .feature{ padding: 80px var(--pad-x); }
  .specs{ grid-template-columns: 1fr 1fr; gap: 28px 24px; padding-top: 30px; margin-top: 44px; }
}
@media (max-width: 420px){
  .specs{ grid-template-columns: 1fr 1fr; gap: 22px 18px; }
}

/* ────────── WHERE ────────── */
.where{
  padding: clamp(100px, 14vw, 180px) var(--pad-x);
  max-width: var(--max);
  margin: 0 auto;
}
.section-head{ margin: 0 0 clamp(44px, 7vw, 72px); max-width: 820px; }

.places{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.place{
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  min-height: 320px;
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .6s var(--ease-out), background .4s;
  will-change: transform;
}
.place:hover{
  transform: translateY(-6px);
  background: #ececf0;
}
.place__icon{
  width: 56px; height: 56px;
  border-radius: 16px;
  background: #fff;
  display: grid; place-items: center;
  color: #000;
  margin-bottom: 18px;
  box-shadow: 0 6px 20px -6px rgba(0,0,0,0.08);
}
.place h3{ margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -0.015em; }
.place p{ margin: 0; color: var(--text-dim); font-size: 15px; line-height: 1.5; }

@media (max-width: 1000px){
  .places{ grid-template-columns: 1fr 1fr; gap: 16px; }
  .place{ min-height: 260px; padding: 32px 28px; }
}
@media (max-width: 560px){
  .places{ grid-template-columns: 1fr; }
  .place{ min-height: auto; padding: 28px 24px; border-radius: 22px; }
  .place h3{ font-size: 20px; }
}
@media (max-width: 900px){
  .where{ padding: 80px var(--pad-x); }
}

/* ────────── HOW ────────── */
.how{
  padding: clamp(100px, 14vw, 180px) var(--pad-x);
  background: #000;
  color: #fff;
}
.how .section-head{ max-width: var(--max); margin-left: auto; margin-right: auto; }
.how .eyebrow{ color: rgba(255,255,255,0.5); }
.how .h1{ color: #fff; }

.steps{
  list-style: none; padding: 0;
  max-width: var(--max); margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step{
  padding: 44px 36px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0));
  transition: transform .6s var(--ease-out), background .4s, border-color .4s;
  min-height: 300px;
  display: flex; flex-direction: column;
}
.step:hover{ transform: translateY(-4px); border-color: rgba(255,255,255,0.28); }
.step__num{
  font-size: 13px; letter-spacing: 0.2em; color: rgba(255,255,255,0.55);
  margin-bottom: auto;
}
.step h3{ font-size: 26px; margin: 40px 0 10px; font-weight: 600; letter-spacing: -0.015em; }
.step p{ margin: 0; color: rgba(255,255,255,0.65); font-size: 15px; line-height: 1.55; }

@media (max-width: 900px){
  .how{ padding: 80px var(--pad-x); }
  .steps{ grid-template-columns: 1fr; gap: 16px; }
  .step{ min-height: auto; padding: 32px 28px; border-radius: 22px; }
  .step h3{ margin-top: 28px; font-size: 22px; }
}

/* ────────── CITIES ────────── */
.cities{
  padding: clamp(100px, 14vw, 180px) var(--pad-x);
  max-width: var(--max);
  margin: 0 auto;
}
.cities__grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.city{
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-alt);
  min-height: 220px;
  display: flex; flex-direction: column; gap: 12px;
  position: relative; overflow: hidden;
  transition: transform .6s var(--ease-out);
}
.city:hover{ transform: translateY(-4px); }
.city h3{ font-size: 28px; margin: auto 0 4px; font-weight: 600; letter-spacing: -0.015em; }
.city p{ margin: 0; color: var(--text-dim); font-size: 14px; }
.city__dot{
  width: 10px; height: 10px; border-radius: 50%;
  background: #34c759;
  box-shadow: 0 0 0 6px rgba(52,199,89,0.18);
  animation: pulse 2.2s var(--ease) infinite;
}
.city__dot--next{ background: #ff9500; box-shadow: 0 0 0 6px rgba(255,149,0,0.16); }
.city__dot--soon{ background: #86868b; box-shadow: 0 0 0 6px rgba(134,134,139,0.18); animation: none; }
@keyframes pulse{
  0%,100%{ box-shadow: 0 0 0 6px rgba(52,199,89,0.18); }
  50%   { box-shadow: 0 0 0 12px rgba(52,199,89,0.04); }
}
@media (max-width: 900px){
  .cities{ padding: 80px var(--pad-x); }
  .cities__grid{ grid-template-columns: 1fr; gap: 16px; }
  .city{ min-height: 160px; padding: 32px 28px; border-radius: 22px; }
  .city h3{ font-size: 24px; }
}

/* ────────── CTA ────────── */
.cta{
  padding: clamp(100px, 14vw, 180px) var(--pad-x);
  text-align: center;
  background: linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%);
}
.cta__inner{ max-width: 820px; margin: 0 auto; }
.cta .lede{ margin-left: auto; margin-right: auto; }
.cta__buttons{
  display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
  margin: 20px 0 48px;
}
.waitlist{
  display: flex; gap: 10px; justify-content: center; align-items: center;
  background: #fff;
  padding: 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  max-width: 520px;
  margin: 0 auto;
  box-shadow: 0 20px 40px -28px rgba(0,0,0,0.2);
}
.waitlist input{
  flex: 1;
  min-width: 0;
  border: 0; outline: 0;
  padding: 14px 18px;
  font-size: 16px;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  -webkit-appearance: none;
  appearance: none;
}
.waitlist input::placeholder{ color: var(--text-dim); }
.waitlist button{ padding: 12px 22px; font-size: 14px; border: 0; }
.waitlist__note{
  min-height: 20px;
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--text-dim);
  transition: color .3s;
}
.waitlist__note.is-ok{ color: #1d9c3a; }
@media (max-width: 520px){
  .cta{ padding: 80px var(--pad-x); }
  .cta__buttons{ flex-direction: column; align-items: stretch; gap: 12px; margin-bottom: 36px; }
  .cta__buttons .btn{ width: 100%; }
  .waitlist{
    flex-direction: column;
    border-radius: 22px;
    padding: 14px;
    gap: 12px;
    margin-left: var(--safe-l);
    margin-right: var(--safe-r);
  }
  .waitlist input{ width: 100%; padding: 14px; }
  .waitlist button{ width: 100%; padding: 14px; font-size: 15px; min-height: 48px; }
}

/* ────────── FOOTER ────────── */
.foot{
  background: var(--bg-alt);
  padding: 60px var(--pad-x) calc(48px + var(--safe-b));
  border-top: 1px solid var(--line);
}
.foot__inner{
  max-width: var(--max); margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}
.foot__brand{ line-height: 0; }
.foot__brand img{ height: 22px; width: auto; display: block; }
.foot__links{ display: flex; justify-content: center; gap: 28px; font-size: 13px; color: var(--text-dim); }
.foot__links a:hover{ color: var(--text); }
.foot__meta{
  display: flex; flex-direction: column; align-items: flex-end; gap: 4px;
  font-size: 12px; color: var(--text-dim);
}
@media (max-width: 800px){
  .foot{ padding: 48px var(--pad-x) calc(40px + var(--safe-b)); }
  .foot__inner{ grid-template-columns: 1fr; text-align: center; gap: 24px; }
  .foot__links{ justify-content: center; flex-wrap: wrap; gap: 20px; }
  .foot__meta{ align-items: center; gap: 6px; }
}

/* ────────── REVEAL ────────── */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.reveal.is-in{ opacity: 1; transform: none; }
.reveal:nth-child(2){ transition-delay: .08s; }
.reveal:nth-child(3){ transition-delay: .16s; }
.reveal:nth-child(4){ transition-delay: .24s; }

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