/* ============ Spin Field Coherence — brand-aligned with Vortice ============ */
:root {
  --cream:    #f3ede2;
  --cream-2:  #ece4d6;
  --sand:     #ddd0ba;
  --paper:    #fffdf9;
  --ink:      #211d17;
  --ink-soft: #5b5347;
  --charcoal: #1a1714;
  --charcoal-2:#252019;
  --green:    #24351f;
  --navy:     #16273a;
  --navy-2:   #0f1d2e;
  --tan:      #b2965f;
  --tan-soft: #d8c39a;
  --disp: "Sora", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --maxw: 1120px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--body); color: var(--ink); background: var(--cream); line-height: 1.7; font-weight: 300; -webkit-font-smoothing: antialiased; }
h1,h2,h3,h4,h5 { font-family: var(--disp); font-weight: 700; line-height: 1.12; letter-spacing: -0.01em; }
img { max-width: 100%; display: block; }

/* ---------- Pills / buttons ---------- */
.pill { display: inline-block; padding: 13px 30px; border-radius: 999px; font-family: var(--disp); font-size: .82rem; font-weight: 600; letter-spacing: .3px; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: all .25s ease; }
.pill--solid { background: var(--ink); color: var(--cream); }
.pill--solid:hover { background: var(--tan); color: #1a1714; }
.pill--light { background: rgba(255,255,255,.92); color: #1a1714; }
.pill--light:hover { background: #fff; }
.pill--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.pill--ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.pill--lg { padding: 16px 40px; font-size: .92rem; }

/* ---------- Nav ---------- */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 100; padding: 22px 0; transition: background .35s, box-shadow .35s, padding .35s; }
.nav.is-scrolled { background: rgba(26,23,20,.92); backdrop-filter: blur(10px); box-shadow: 0 1px 20px rgba(0,0,0,.2); padding: 13px 0; }
.nav__inner { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; }
.nav__brand { font-family: var(--disp); font-size: 1.15rem; font-weight: 700; letter-spacing: .3px; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 11px; }
.nav__mark { width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid var(--tan-soft); background: radial-gradient(circle,var(--tan-soft) 0%,transparent 64%); }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a { color: rgba(255,255,255,.82); text-decoration: none; font-size: .8rem; letter-spacing: .8px; font-weight: 400; transition: color .2s; position: relative; }
.nav__links a:not(.nav__cta):hover, .nav__links a.is-active { color: var(--tan-soft); }
.nav__links a.is-active:not(.nav__cta)::after { content:""; position:absolute; left:0; right:0; bottom:-6px; height:1px; background: var(--tan); }
.nav__cta { color: var(--cream) !important; }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; transition: .3s; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: #fff; overflow: hidden; padding: 120px 28px 90px; }
.hero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero__overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(20,16,12,.55) 0%, rgba(20,16,12,.35) 40%, rgba(20,16,12,.7) 100%); }
.hero__content { position: relative; z-index: 2; max-width: 820px; }
.hero__eyebrow { text-transform: uppercase; letter-spacing: 3px; font-size: .72rem; color: var(--tan-soft); margin-bottom: 24px; }
.hero__title { font-size: clamp(2.8rem, 8vw, 5.6rem); font-weight: 800; letter-spacing: -.02em; margin-bottom: 18px; text-shadow: 0 2px 40px rgba(0,0,0,.4); }
.hero__subtitle { font-size: clamp(1.1rem, 2.6vw, 1.6rem); font-weight: 300; color: rgba(255,255,255,.9); margin-bottom: 40px; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__scroll { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.65); font-size: 1.4rem; text-decoration: none; z-index: 2; animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 0%,100%{transform:translate(-50%,0)} 50%{transform:translate(-50%,10px)} }

/* ---------- Sections ---------- */
.section { padding: 110px 28px; }
.section--cream { background: var(--cream); color: var(--ink); }
.section--sand { background: var(--sand); color: var(--ink); }
.section--charcoal { background: var(--charcoal); color: rgba(255,255,255,.88); }
.section--navy { background: linear-gradient(165deg,var(--navy),var(--navy-2)); color: rgba(255,255,255,.9); }
.section--charcoal h2,.section--charcoal h3,.section--charcoal h4,.section--navy h2,.section--navy h3,.section--navy h4 { color: #fff; }
.section--charcoal .section__num,.section--navy .section__num,.section--charcoal .section__lead,.section--navy .section__lead { color: var(--tan-soft); }

.section__head { max-width: var(--maxw); margin: 0 auto 54px; text-align: center; }
.section__num { display: block; font-family: var(--disp); font-size: .82rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--tan); margin-bottom: 16px; }
.section__head h2 { font-size: clamp(2rem,5vw,3.2rem); margin-bottom: 14px; }
.section__lead { font-weight: 300; font-size: 1.2rem; color: var(--ink-soft); max-width: 640px; margin: 0 auto; }
.section__body { max-width: var(--maxw); margin: 0 auto; font-size: 1.06rem; }
.section__body.narrow { max-width: 740px; }
.section__body p { margin-bottom: 1.3em; }
.section__body h3 { font-size: 1.4rem; margin: 1.7em 0 .5em; }

/* split (science) */
.section__split { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.section__col h2 { font-size: clamp(1.8rem,4vw,2.8rem); margin: 14px 0 18px; }
.section__col h3 { font-size: 1.25rem; margin: 1.4em 0 .4em; color: var(--tan-soft); }
.section__col p { margin-bottom: 1em; color: rgba(255,255,255,.8); }
.section__media img { border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.4); }

.pullquote { font-family: var(--disp); font-weight: 600; font-size: 1.7rem; line-height: 1.35; color: var(--tan); text-align: center; margin-bottom: 1.4em; }
.feature-list { list-style: none; margin-bottom: 1.6em; }
.feature-list li { position: relative; padding: 13px 0 13px 32px; border-bottom: 1px solid rgba(0,0,0,.08); }
.feature-list li::before { content:"✦"; position:absolute; left:2px; top:13px; color: var(--tan); }
.closing-line { font-family: var(--disp); font-weight: 500; font-size: 1.3rem; text-align: center; margin-top: 1em; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin: 1em 0 1.6em; }
.chips li { background: rgba(178,150,95,.16); border: 1px solid rgba(178,150,95,.4); color: var(--ink); padding: 8px 18px; border-radius: 999px; font-size: .9rem; }

/* full-width video band */
.band { position: relative; min-height: 56vh; display: flex; align-items: center; justify-content: center; text-align: center; color: #fff; overflow: hidden; padding: 80px 28px; }
.band__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.band__overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg,rgba(15,25,15,.5),rgba(15,25,15,.6)); }
.band__content { position: relative; z-index: 2; max-width: 720px; }
.band__content h2 { font-size: clamp(1.8rem,4.5vw,3rem); margin-bottom: 16px; }
.band__content p { font-weight: 300; font-size: 1.15rem; color: rgba(255,255,255,.9); }

/* steps */
.steps { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.step { background: var(--paper); border: 1px solid rgba(0,0,0,.06); border-radius: 16px; padding: 40px 30px; text-align: center; box-shadow: 0 12px 36px rgba(40,30,20,.06); transition: transform .3s, box-shadow .3s; }
.step:hover { transform: translateY(-6px); box-shadow: 0 22px 48px rgba(40,30,20,.12); }
.step__num { display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: 50%; border: 1px solid var(--tan); color: var(--tan); font-family: var(--disp); font-size: 1.4rem; font-weight: 600; margin-bottom: 20px; }
.step h4 { font-size: 1.25rem; margin-bottom: 12px; }
.step p { color: var(--ink-soft); font-size: .98rem; }

/* benefits */
.benefits { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.benefit { background: rgba(255,255,255,.45); border: 1px solid rgba(33,29,23,.1); border-radius: 16px; padding: 32px 28px; transition: background .3s, transform .3s; }
.benefit:hover { background: rgba(255,255,255,.8); transform: translateY(-4px); }
.benefit h4 { font-size: 1.2rem; margin-bottom: 10px; }
.benefit p { color: var(--ink-soft); font-size: .96rem; }

/* placeholders */
.placeholder-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.placeholder { border: 1px dashed rgba(255,255,255,.25); border-radius: 14px; padding: 48px 20px; text-align: center; color: rgba(255,255,255,.5); }
.placeholder span { display: block; font-family: var(--disp); font-size: 2rem; color: var(--tan-soft); margin-bottom: 8px; }

/* experiences */
.comments { margin-bottom: 40px; }
.comment { background: rgba(255,255,255,.06); border-left: 2px solid var(--tan); border-radius: 6px; padding: 20px 24px; margin-bottom: 14px; }
.comment header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.comment__author { font-weight: 500; color: var(--tan-soft); }
.comment time { font-size: .8rem; color: rgba(255,255,255,.5); }
.comment p { color: rgba(255,255,255,.82); }
.comment-form { background: rgba(255,255,255,.05); border: 1px solid rgba(216,195,154,.2); border-radius: 16px; padding: 34px; }
.comment-form h3 { margin-bottom: 20px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .78rem; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; color: var(--tan-soft); }
.field input, .field textarea { width: 100%; padding: 12px 14px; font-family: var(--body); font-size: 1rem; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18); border-radius: 8px; color: #fff; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--tan); }
.form-note { font-size: .82rem; color: rgba(255,255,255,.5); margin-top: 14px; font-style: italic; }

/* CTA band */
.cta { background: var(--charcoal-2); color: #fff; padding: 100px 28px; text-align: center; }
.cta__inner { max-width: 640px; margin: 0 auto; }
.cta h2 { font-size: clamp(2rem,5vw,3rem); margin-bottom: 14px; }
.cta p { font-weight: 300; font-size: 1.15rem; color: rgba(255,255,255,.8); margin-bottom: 32px; }

/* footer */
.footer { background: var(--charcoal); color: rgba(255,255,255,.6); padding: 72px 28px 48px; }
.footer__inner { max-width: var(--maxw); margin: 0 auto; }
.footer__wordmark { font-family: var(--disp); font-weight: 800; font-size: clamp(1.8rem,6vw,3.4rem); letter-spacing: .04em; color: #fff; text-align: center; margin-bottom: 48px; }
.footer__row { display: flex; gap: 60px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.footer__col h5 { font-family: var(--disp); font-size: .8rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--tan-soft); margin-bottom: 14px; }
.footer__col p { font-size: .92rem; margin-bottom: 6px; }
.footer__col a { color: rgba(255,255,255,.7); text-decoration: none; }
.footer__col a:hover { color: var(--tan-soft); }
.footer__disclaimer { max-width: 760px; margin: 0 auto 22px; text-align: center; font-size: .8rem; line-height: 1.7; }
.footer__copy { text-align: center; font-size: .78rem; color: rgba(255,255,255,.35); }

/* reveal */
.section__head,.section__body,.section__split,.step,.benefit,.placeholder { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal-in { opacity: 1 !important; transform: none !important; }

/* responsive */
@media (max-width: 880px) {
  .section__split { grid-template-columns: 1fr; gap: 36px; }
  .steps, .benefits, .placeholder-grid { grid-template-columns: 1fr; }
  .nav__toggle { display: block; }
  .nav__links { position: fixed; inset: 0 -100% 0 auto; height: 100vh; width: 76%; max-width: 330px; background: rgba(20,16,12,.98); flex-direction: column; align-items: flex-start; gap: 0; padding: 100px 36px; transition: right .35s; }
  .nav__links.is-open { right: 0; }
  .nav__links a { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.08); width: 100%; font-size: .95rem; }
  .nav__cta { margin-top: 18px; border:0; }
  .nav__toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav__toggle.is-open span:nth-child(2){opacity:0}
  .nav__toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* ---------- science detail ---------- */
.science-detail { margin-top: 44px; }

/* ---------- nature metaphor cards ---------- */
.naturecards { max-width: var(--maxw); margin: 56px auto 0; display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.naturecard { background: var(--paper); border: 1px solid rgba(0,0,0,.06); border-radius: 14px; padding: 28px 24px; box-shadow: 0 10px 30px rgba(40,30,20,.05); }
.naturecard h4 { font-size: 1.15rem; margin-bottom: 10px; color: var(--tan); }
.naturecard p { color: var(--ink-soft); font-size: .95rem; }

/* ---------- testimonials carousel ---------- */
.carousel { max-width: 880px; margin: 0 auto; position: relative; }
.carousel__viewport { overflow: hidden; }
.carousel__track { display: flex; transition: transform .55s cubic-bezier(.4,0,.2,1); }
.cslide { flex: 0 0 100%; padding: 6px; }
.cslide__card { background: rgba(255,255,255,.05); border: 1px solid rgba(216,195,154,.18); border-left: 3px solid var(--tan); border-radius: 16px; padding: 44px 48px; min-height: 230px; display: flex; flex-direction: column; justify-content: center; }
.cslide blockquote { font-family: var(--disp); font-weight: 400; font-size: 1.3rem; line-height: 1.5; color: #fff; margin: 0; }
.cslide figcaption { margin-top: 20px; font-size: .85rem; letter-spacing: .5px; color: var(--tan-soft); }
.carousel__arrow { position: absolute; top: 46%; transform: translateY(-50%); z-index: 3; width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.08); color: #fff; font-size: 1.5rem; line-height: 1; cursor: pointer; transition: all .2s; backdrop-filter: blur(4px); }
.carousel__arrow:hover { background: var(--tan); color: #1a1714; border-color: var(--tan); }
.carousel__arrow--prev { left: -16px; }
.carousel__arrow--next { right: -16px; }
.carousel__dots { display: flex; justify-content: center; gap: 10px; margin-top: 28px; }
.carousel__dot { width: 9px; height: 9px; border-radius: 50%; border: 0; padding: 0; background: rgba(255,255,255,.25); cursor: pointer; transition: background .2s, transform .2s; }
.carousel__dot.is-active { background: var(--tan); transform: scale(1.35); }
@media (max-width: 880px) {
  .carousel__arrow--prev { left: 2px; } .carousel__arrow--next { right: 2px; }
  .cslide__card { padding: 36px 28px; }
  .cslide blockquote { font-size: 1.12rem; }
}

/* ---------- pets ---------- */
.pets { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; align-items: start; }
.petcard { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 16px; overflow: hidden; }
.petcard img { width: 100%; height: 200px; object-fit: cover; display: block; }
.petcard__body { padding: 26px 24px; }
.petcard--noimg .petcard__body { padding-top: 34px; }
.petcard__tag { display: inline-block; font-family: var(--disp); font-size: .7rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: #1a1714; background: var(--tan-soft); padding: 4px 12px; border-radius: 999px; margin-bottom: 14px; }
.petcard__lead { color: rgba(255,255,255,.78); font-size: .94rem; margin-bottom: 14px; }
.petcard blockquote { font-family: var(--disp); font-weight: 400; font-size: 1rem; line-height: 1.45; color: #fff; margin: 0; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12); }

/* ---------- reveal for new components ---------- */
.naturecard, .quote, .petcard, .science-detail { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }

@media (max-width: 880px) {
  .naturecards, .quotes, .pets { grid-template-columns: 1fr; }
}