/* Tideflock — site styles (brand v2 palette). Mobile-first, light/dark via prefers-color-scheme.
   Contrast notes: white text only sits on Royal #005EDC (5.8:1), #086FD8 (4.9:1) or darker.
   Sky #22A1FE (2.8:1) and Primary #0A78EA (4.3:1) are used for decoration/large shapes, never behind white body text. */
@font-face{font-family:"Nunito";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/nunito-400.woff2") format("woff2")}
@font-face{font-family:"Nunito";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/nunito-700.woff2") format("woff2")}
@font-face{font-family:"Nunito";font-style:normal;font-weight:800;font-display:swap;src:url("../fonts/nunito-800.woff2") format("woff2")}

:root{
  --sky:#22A1FE;--primary:#0A78EA;--royal:#005EDC;--deep:#003676;--wing:#8EC9FF;--beak:#FF9F1C;--white:#FFFFFF;--ink:#0B1A2B;
  --bg:#FFFFFF;--bg-soft:#F2F7FD;--surface:#FFFFFF;--text:#0B1A2B;--muted:#47586B;--border:#D9E5F2;
  --link:#005EDC;--heading:#003676;--accent-bg:#E6F2FF;--focus:#0A78EA;
  --radius:18px;--shadow:0 1px 2px rgba(11,26,43,.06),0 8px 24px rgba(11,26,43,.06);
  --max:1100px;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0B1A2B;--bg-soft:#0F2236;--surface:#122840;--text:#E8F1FB;--muted:#A9BCD0;--border:#21405F;
    --link:#8EC9FF;--heading:#FFFFFF;--accent-bg:#13304F;--focus:#8EC9FF;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:"Nunito",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:1.0625rem;line-height:1.6;color:var(--text);background:var(--bg)}
img,svg{max-width:100%;height:auto}
a{color:var(--link);text-underline-offset:.15em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}
h1,h2,h3{color:var(--heading);line-height:1.2;font-weight:800;margin:0 0 .5em}
h1{font-size:clamp(2rem,7vw,3.4rem);letter-spacing:-.01em}
h2{font-size:clamp(1.55rem,4.5vw,2.25rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 1.25rem}
.narrow{max-width:760px}
.skip{position:absolute;left:-9999px;top:0;background:var(--royal);color:#fff;padding:.6rem 1rem;z-index:10;border-radius:0 0 8px 0}
.skip:focus{left:0}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Header */
.site-header{border-bottom:1px solid var(--border);background:var(--bg)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center}
.brand img{height:34px;width:auto;display:block}
.nav{display:flex;gap:1.1rem;flex-wrap:wrap}
.nav a{color:var(--text);text-decoration:none;font-weight:700;font-size:.98rem;padding:.35rem 0}
.nav a:hover,.nav a[aria-current="page"]{color:var(--link);text-decoration:underline}
@media (max-width:480px){.nav{gap:.85rem}.nav a{font-size:.92rem}.brand img{height:30px}}

/* Hero */
.hero{background:linear-gradient(135deg,#086FD8 0%,#005EDC 60%,#00489F 100%);color:#fff;position:relative;overflow:hidden}
.hero .wrap{display:grid;gap:2rem;padding-top:3rem;padding-bottom:5.5rem;align-items:center;position:relative;z-index:1}
.hero h1{color:#fff}
.hero .lede{font-size:1.2rem;max-width:34rem;color:#EAF4FF}
.hero-logo{width:min(320px,80%);height:auto;margin-bottom:1.25rem;display:block}
.hero-art{display:flex;justify-content:center}
.hero-art img{width:min(240px,60vw);border-radius:22.4%;box-shadow:0 20px 50px rgba(0,30,70,.45)}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:70px;display:block}
.hero-wave path{fill:var(--bg)}
.badges{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.25rem 0 0;padding:0;list-style:none}
.badges li{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);padding:.25rem .75rem;border-radius:999px;font-weight:700;font-size:.9rem}
@media (min-width:860px){.hero .wrap{grid-template-columns:1.4fr 1fr;padding-top:4.5rem;padding-bottom:7rem}.hero-art img{width:280px}}

/* App Store button (placeholder state) */
.store-btn{display:inline-flex;align-items:center;gap:.7rem;background:#000;color:#fff;border-radius:12px;padding:.6rem 1.15rem;text-decoration:none;border:1px solid rgba(255,255,255,.35);min-height:52px}
.store-btn svg{width:26px;height:26px;flex:none;fill:currentColor}
.store-btn small{display:block;font-size:.72rem;line-height:1.1;font-weight:700;opacity:.85}
.store-btn strong{display:block;font-size:1.15rem;line-height:1.15;font-weight:800}
.store-btn[aria-disabled="true"]{opacity:.62;cursor:not-allowed;filter:grayscale(.2)}

/* Sections */
section{padding:3.5rem 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:640px;margin-bottom:2rem}
.section-head p{color:var(--muted);font-size:1.1rem}
.eyebrow{display:inline-block;font-weight:800;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--link);margin-bottom:.4rem}

.grid{display:grid;gap:1rem;grid-template-columns:1fr}
@media (min-width:600px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow)}
.card h3{margin-bottom:.35rem}
.card p{color:var(--muted);margin:0}
.icon{width:48px;height:48px;border-radius:14px;background:var(--accent-bg);color:var(--link);display:grid;place-items:center;margin-bottom:.9rem}
.icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.promise{display:grid;gap:2rem;align-items:center}
@media (min-width:860px){.promise{grid-template-columns:1fr 1fr}}
.checklist{list-style:none;margin:0 0 1rem;padding:0}
.checklist li{position:relative;padding-left:2rem;margin:.55rem 0;font-weight:700}
.checklist li::before{content:"";position:absolute;left:0;top:.2em;width:1.3rem;height:1.3rem;border-radius:50%;background:var(--royal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/70% no-repeat}
.tip-card{text-align:center}
.tip-card .cups{font-size:2.2rem;line-height:1;margin-bottom:.6rem}
.tip-card img{width:120px;height:120px;margin:0 auto 1rem;display:block}

.privacy-band{border-radius:var(--radius);background:linear-gradient(135deg,#005EDC,#003676);color:#fff;padding:2rem 1.5rem;display:grid;gap:1.5rem}
.privacy-band h2{color:#fff}
.privacy-band p{color:#E3EEFA}
.privacy-band a{color:#fff;font-weight:800}
.privacy-band ul{margin:0;padding:0;list-style:none;display:grid;gap:.75rem}
.privacy-band li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:.75rem 1rem;font-weight:700}
@media (min-width:860px){.privacy-band{grid-template-columns:1.1fr 1fr;padding:2.75rem}}

/* FAQ */
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:0 1.2rem;margin-bottom:.75rem}
.faq summary{cursor:pointer;font-weight:800;font-size:1.08rem;padding:1rem 2rem 1rem 0;list-style:none;position:relative;color:var(--heading)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--link);font-weight:800}
.faq details[open] summary::after{content:"\2212"}
.faq details > div{padding-bottom:1rem;color:var(--muted)}
.faq details > div p:last-child{margin-bottom:0}

/* Legal/document pages */
.doc{padding:2.5rem 0 3.5rem}
.doc h1{font-size:clamp(1.9rem,6vw,2.75rem)}
.doc h2{font-size:1.45rem;margin-top:2.2rem;padding-top:.5rem}
.doc h3{margin-top:1.4rem}
.doc li{margin:.35rem 0}
.doc .meta{color:var(--muted);font-weight:700}
.toc{background:var(--bg-soft);border:1px solid var(--border);border-radius:14px;padding:1rem 1.25rem;margin:1.5rem 0}
.toc ol{margin:.25rem 0 0;padding-left:1.25rem;columns:1}
@media (min-width:700px){.toc ol{columns:2;column-gap:2rem}}
.callout{border-left:5px solid var(--primary);background:var(--accent-bg);padding:1rem 1.2rem;border-radius:0 12px 12px 0;margin:1.25rem 0}
.callout.warn{border-left-color:#D93025;background:color-mix(in srgb,#D93025 10%,var(--bg))}
.callout p:last-child{margin-bottom:0}
.summary-table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.98rem}
.summary-table th,.summary-table td{border:1px solid var(--border);padding:.6rem .75rem;text-align:left;vertical-align:top}
.summary-table th{background:var(--bg-soft);color:var(--heading)}
.table-scroll{overflow-x:auto}
.contact-card{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;justify-content:space-between}
.btn{display:inline-block;background:var(--royal);color:#fff;font-weight:800;text-decoration:none;padding:.75rem 1.3rem;border-radius:12px}
.btn:hover{background:var(--deep)}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:2rem 0 2.5rem;color:var(--muted);font-size:.95rem;background:var(--bg-soft)}
.site-footer .wrap{display:grid;gap:1rem}
.site-footer nav{display:flex;flex-wrap:wrap;gap:1.25rem}
.site-footer nav a{font-weight:700}
.site-footer .fine{font-size:.85rem;max-width:62rem;margin:0}
@media (min-width:860px){.site-footer .top{display:flex;justify-content:space-between;align-items:center}}
.site-footer .top img{height:28px;width:auto;display:block;margin-bottom:.5rem}

/* 404 */
.notfound{text-align:center;padding:5rem 0}
.notfound img{width:140px;margin:0 auto 1.5rem;display:block}
.m0{margin:0}
.eyebrow-onblue{color:#BFE0FF}
.contact-title{margin:0 0 .25rem;font-size:1.3rem}
.doc .contact-title{margin-top:0;padding-top:0}

/* Layout refinements after screenshot review */
@media (max-width:859px){
  .hero .wrap{padding-top:2.25rem;padding-bottom:4.5rem;gap:1.5rem}
  .hero-logo{display:none}            /* header already shows the logo on small screens */
  .hero-art{order:-1;justify-content:flex-start}
  .hero-art img{width:96px;border-radius:22px;box-shadow:0 10px 26px rgba(0,30,70,.4)}
}
.site-footer nav{margin-top:.75rem}
@media (min-width:860px){.site-footer nav{margin-top:0}}
.tip-card p{text-align:left}
@media (max-width:599px){
  .card{padding:1.15rem 1.2rem}
  .grid .card{display:grid;grid-template-columns:48px 1fr;column-gap:1rem;align-items:start}
  .grid .card .icon{grid-row:span 2;margin:0}
}
.toc strong{display:block;margin-bottom:.4rem}
.doc .toc li{margin:0 0 .4rem;break-inside:avoid}
/* Buttons: Royal (5.8:1 with white) in both schemes */
@media (prefers-color-scheme:dark){.btn{background:var(--royal)}.btn:hover{background:#004BB0}}

/* Tideflock: flock / tide section */
.nowrap{white-space:nowrap}
.flock-grid{display:grid;gap:2rem;align-items:center}
@media (min-width:860px){.flock-grid{grid-template-columns:1fr 1.2fr;gap:3rem}}
.flock-art{border-radius:var(--radius);background:linear-gradient(135deg,#22A1FE 0%,#0A78EA 55%,#005EDC 100%);display:grid;place-items:center;padding:2.25rem 1.5rem;box-shadow:var(--shadow)}
.flock-art img{width:min(300px,78%);display:block}
.flock p{max-width:40rem}
.join{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.4rem;margin-top:1.5rem;box-shadow:var(--shadow)}
.join h3{margin-bottom:.35rem}
.join p{color:var(--muted)}
@media (max-width:859px){.flock-art{padding:1.5rem}.flock-art img{width:min(220px,70%)}}
/* WCAG AA fixes (audited with tideflock-build/contrast.py against the lightest hero/band gradient stop) */
.hero .lede{color:#FFFFFF}                                                    /* 4.9:1 on #086FD8 */
.badges li{background:rgba(0,42,110,.25);border-color:rgba(255,255,255,.35)}  /* white text 6.3:1 */
.eyebrow-onblue{color:#E3F0FF}                                                /* 5.0:1 on #005EDC */