/* Layout: calm navy and teal, wide confident headings, plenty of white space. */
:root{
  --bg:#f5f8fa; --paper:#ffffff; --ink:#0e1f36; --muted:#4f6072; --line:#dbe3ea;
  --navy:#0f2742; --navy-2:#173457; --teal:#0f8b8d; --teal-2:#14b3b0; --on-teal:#ffffff; --chat:#e0f4f3;
  --display:"Archivo","Arial Narrow",system-ui,sans-serif; --body:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:68rem; --r:14px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0a1626;--paper:#11213a;--ink:#e9f0f6;--muted:#9fb1c2;--line:#22344e;--chat:#123a3d;--teal:#14b3b0;--on-teal:#04201f;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0a1626;--paper:#11213a;--ink:#e9f0f6;--muted:#9fb1c2;--line:#22344e;--chat:#123a3d;--teal:#14b3b0;--on-teal:#04201f;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.6 var(--body)}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
h1,h2,h3{font-family:var(--display);line-height:1.08;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,6vw,4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0;max-width:62ch}
a{color:inherit}
.eyebrow{font:700 .78rem/1 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:50px;padding:.8rem 1.4rem;border-radius:12px;font:700 1rem/1 var(--display);text-decoration:none;border:2px solid var(--ink)}
.btn.primary{background:var(--teal);border-color:var(--teal);color:var(--on-teal)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--teal-2);outline-offset:3px}

/* Header */
header.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.logo{display:flex;align-items:center;gap:.6rem;font:800 1.3rem/1 var(--display);text-decoration:none;letter-spacing:-.01em}
.logo svg{width:32px;height:32px}
nav.links{display:flex;gap:1.6rem;font-weight:600}
nav.links a{text-decoration:none;color:var(--muted)}
nav.links a:hover{color:var(--ink)}
header .btn{min-height:42px;padding:.55rem 1rem;font-size:.95rem}
@media (max-width:760px){nav.links{display:none}}

/* Hero */
.hero{padding-block:clamp(2.5rem,7vw,5.5rem)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero-copy{display:grid;gap:1.4rem;min-width:0}
.hero-copy p{font-size:1.2rem;color:var(--muted)}
.cta-row{display:flex;gap:.8rem;flex-wrap:wrap}
.accent-bar{height:6px;width:72px;border-radius:3px;background:linear-gradient(90deg,var(--navy),var(--teal-2))}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}}

.trust{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;color:var(--muted);font-weight:600;font-size:.98rem}
.trust li{display:flex;align-items:center;gap:.5rem}
.trust li::before{content:"";width:.55rem;height:.55rem;border-radius:50%;background:var(--teal)}

/* Phone chat example */
.phone{justify-self:center;width:min(100%,340px);background:var(--navy);border-radius:32px;padding:14px;box-shadow:0 24px 50px -24px rgba(0,0,0,.45)}
.screen{background:var(--paper);border-radius:22px;overflow:hidden}
.screen-head{background:var(--navy-2);color:#fff;padding:.8rem 1rem;display:flex;align-items:center;gap:.6rem;font-weight:600;font-size:.95rem}
.screen-head small{display:block;font-weight:400;opacity:.75;font-size:.78rem}
.dot{width:34px;height:34px;border-radius:50%;background:var(--teal-2);display:grid;place-content:center;color:#04201f;font:800 .9rem var(--display)}
.chat{display:grid;gap:.55rem;padding:1rem;font-size:.92rem;line-height:1.4}
.msg{max-width:86%;padding:.55rem .75rem;border-radius:12px;border:1px solid var(--line)}
.msg.them{justify-self:end;background:var(--chat)}
.msg.us{background:var(--bg)}
.example-note{font-size:.8rem;color:var(--muted);text-align:center;margin-top:.7rem}

/* Sections */
section.band{padding-block:clamp(3rem,7vw,5.5rem);border-top:1px solid var(--line)}
.section-head{display:grid;gap:.8rem;margin-bottom:2.2rem}
.section-head p{color:var(--muted);font-size:1.1rem}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.grid{grid-template-columns:1fr}}
.tile{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem;display:grid;gap:.6rem;align-content:start}
.tile p{color:var(--muted)}
.tile .icon{width:40px;height:40px;border-radius:10px;background:var(--navy);display:grid;place-content:center}
.tile .icon svg{width:22px;height:22px;stroke:var(--teal-2);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pain{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr))}
.pain div{border-left:4px solid var(--teal);padding:.2rem 0 .2rem 1rem;display:grid;gap:.3rem}
.pain strong{font-family:var(--display);font-size:1.08rem}
.pain span{color:var(--muted)}

/* Calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
@media (max-width:860px){.calc{grid-template-columns:1fr}}
.calc-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;display:grid;gap:.7rem;box-shadow:0 18px 40px -28px rgba(15,39,66,.45)}
.calc-card label{display:flex;justify-content:space-between;gap:1rem;font-weight:600}
.calc-card output{font:800 1.05rem var(--display);color:var(--teal);font-variant-numeric:tabular-nums}
.calc-card input[type=range]{width:100%;accent-color:var(--teal);margin:0 0 .6rem}
.calc-result{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;border-top:1px solid var(--line);padding-top:1rem;margin-bottom:.4rem}
.calc-result span{color:var(--muted);font-weight:600}
.calc-result strong{font:800 clamp(1.8rem,4vw,2.4rem)/1 var(--display);color:var(--ink);font-variant-numeric:tabular-nums}

/* Sectors */
.sectors{display:grid;gap:1rem;grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.sectors{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.sectors{grid-template-columns:1fr}}
.sector{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem;display:grid;gap:.35rem;align-content:start}
.sector strong{font-family:var(--display);font-size:1.08rem}
.sector span{color:var(--muted);font-size:.98rem}
a.sector{text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
a.sector:hover{border-color:var(--teal);transform:translateY(-2px)}
@media (prefers-reduced-motion:reduce){a.sector{transition:none}a.sector:hover{transform:none}}
.sector em{font-style:normal;font-weight:700;color:var(--teal);margin-top:.4rem}
.sector.other{background:transparent;border-style:dashed}
.foot-links{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem}

/* Designer spotlight */
.spot{background:var(--navy);color:#eef3f8;border-top:0}
.spot-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.spot .section-head h2{color:#fff}
.spot .eyebrow{color:var(--teal-2)}
.spot p{color:#bccbda}
.spot ol{margin:0;padding:0;list-style:none;display:grid;gap:.9rem;counter-reset:s}
.spot li{counter-increment:s;display:grid;grid-template-columns:2.2rem 1fr;gap:.8rem;align-items:start}
.spot li::before{content:counter(s);width:2.2rem;height:2.2rem;border-radius:50%;background:var(--teal-2);color:#04201f;display:grid;place-content:center;font:800 1rem var(--display)}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:8px;min-width:0}
.ba figure{margin:0;display:grid;gap:.4rem}
.ba svg{width:100%;height:auto;display:block;border-radius:10px}
.ba figcaption{font:700 .8rem var(--display);letter-spacing:.1em;text-transform:uppercase;color:#bccbda}
@media (max-width:860px){.spot-grid{grid-template-columns:1fr}}

/* Steps */
.steps{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.step{border-top:3px solid var(--teal);padding-top:1rem;display:grid;gap:.5rem}
.step b{font:800 .85rem var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.step p{color:var(--muted)}

/* Personal touch + price */
.split{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:760px){.split{grid-template-columns:1fr}}
.price{background:var(--paper);border:2px solid var(--teal);border-radius:var(--r);padding:1.6rem;display:grid;gap:.8rem;align-content:start}
.price .amount{font:800 clamp(1.9rem,4vw,2.6rem)/1 var(--display)}
.price .amount small{font-size:1rem;font-weight:600;color:var(--muted)}
.checks{margin:0;padding:0;list-style:none;display:grid;gap:.5rem}
.checks li{padding-left:1.6rem;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:.85rem;height:.5rem;border-left:3px solid var(--teal);border-bottom:3px solid var(--teal);transform:rotate(-45deg)}

/* FAQ */
.faq{display:grid;gap:.6rem;max-width:48rem}
details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:0 1.1rem}
summary{cursor:pointer;list-style:none;padding:1rem 0;font:700 1.05rem var(--display);display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--muted)}
details[open] summary::after{content:"–"}
details p{padding-bottom:1rem;color:var(--muted)}

/* Closing */
.closing .wrap{display:grid;gap:1.2rem;justify-items:start}
.closing p{color:var(--muted);font-size:1.15rem}
.contact{font:700 1.2rem var(--display)}
footer{border-top:1px solid var(--line);padding-block:2rem calc(2rem + env(safe-area-inset-bottom));color:var(--muted);font-size:.92rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between}
footer a{color:var(--muted)}