/* Alto Detail — concept project by WEBAUR
   Technical luxury: Big Shoulders Display + Source Sans 3, graphite, silver, oxide. */

@font-face{font-family:"Big Shoulders Display";src:url("../../fonts/big-shoulders-display-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Big Shoulders Display";src:url("../../fonts/big-shoulders-display-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Big Shoulders Display";src:url("../../fonts/big-shoulders-display-800.woff2") format("woff2");font-weight:800;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../../fonts/source-sans-3-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../../fonts/source-sans-3-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../../fonts/source-sans-3-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../../fonts/source-sans-3-400-italic.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}

:root{
  --bg:#0C0E10;
  --bg-2:#14181C;
  --bg-3:#1B2126;
  --paper:#E8EAEC;
  --ink:#E8EAEC;
  --muted:#9AA3AA;
  --line:#2A3138;
  --line-strong:#3A434C;
  --accent:#C44932;
  --accent-soft:#E07A66;
  --silver:#C5CDD4;
  --display:"Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --sans:"Source Sans 3", system-ui, sans-serif;
  --pad:clamp(1.15rem, 4vw, 3.25rem);
  --max:76rem;
  --wide:92rem;
  --header:4.15rem;
  --rail:2rem;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:1.0625rem;line-height:1.6;
  letter-spacing:-.01em;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;
}
img,picture,svg{max-width:100%;display:block;height:auto}
img.cover{width:100%;height:100%;object-fit:cover}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
button{background:none;border:0;cursor:pointer}
:focus{outline:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:var(--pad);top:8px;z-index:80;background:var(--accent);color:#fff;padding:.5rem 1rem;text-decoration:none;font-weight:600;transform:translateY(-180%)}
.skip:focus{transform:none}
.wrap{width:min(var(--max),calc(100% - var(--pad)*2));margin-inline:auto}
.wrap-wide{width:min(var(--wide),calc(100% - var(--pad)*2));margin-inline:auto}
.muted{color:var(--muted)}
.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}

.concept-rail{
  height:var(--rail);background:#070809;color:var(--silver);
  font-size:.65rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  display:flex;align-items:center;justify-content:center;gap:.75rem;
}
.concept-rail a{color:inherit;text-decoration:none;border-bottom:1px solid var(--accent)}
.concept-rail a:hover{color:#fff}

.site-header{
  position:sticky;top:0;z-index:40;height:var(--header);
  background:color-mix(in srgb,var(--bg) 86%, transparent);
  backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header);gap:1.25rem}
.wordmark{display:inline-flex;align-items:baseline;gap:.55rem;text-decoration:none}
.wordmark .wm{font-family:var(--display);font-weight:800;font-size:1.85rem;letter-spacing:-.03em;line-height:1}
.wordmark .sub{font-size:.65rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:600}
.site-nav ul{display:flex;gap:1.5rem}
.site-nav a{text-decoration:none;font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.site-nav a:hover{color:var(--ink)}
.site-nav a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -1px 0 var(--accent)}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:6px}
.menu-toggle span{display:block;width:16px;height:1.5px;background:var(--ink)}

.eyebrow{font-size:.68rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-soft)}
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:.9;text-transform:uppercase}
h1{font-size:clamp(3.4rem, 9vw, 8rem)}
h2{font-size:clamp(2rem, 4.5vw, 3.6rem)}
h3{font-size:1.15rem;letter-spacing:.04em;font-family:var(--sans);font-weight:600;text-transform:none}
.lead{font-size:1.12rem;color:var(--muted);max-width:36rem;line-height:1.7}

.btn{
  display:inline-flex;align-items:center;justify-content:center;text-decoration:none;
  padding:.85rem 1.2rem;font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  background:var(--accent);color:#fff;border:1px solid var(--accent);
  transition:background .2s,transform .25s var(--ease),color .2s,border-color .2s;
}
.btn:hover{background:#a33a27;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink);background:var(--bg-3);transform:translateY(-1px)}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem}

/* Cinematic hero: headline sits on the photograph */
.hero{position:relative;min-height:calc(100svh - var(--rail) - var(--header));background:#000;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 60%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(12,14,16,.15) 0%, rgba(12,14,16,.2) 40%, rgba(12,14,16,.88) 100%)}
.hero-copy{position:relative;z-index:2;min-height:inherit;display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(2rem,6vw,4.5rem) 0 3rem}
.hero-copy h1{max-width:12ch;margin:.5rem 0 1rem}
.hero-cutline{margin-top:1.25rem;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--silver)}

.section{padding:clamp(4.5rem,9vw,7.5rem) 0}
.section-tight{padding:clamp(3rem,6vw,5rem) 0}
.section-head{margin-bottom:2.5rem;max-width:40rem}
.page-open{padding-top:clamp(2rem,5vw,3.25rem);padding-bottom:0}
.page-open .section-head{margin-bottom:1.25rem}
.page-open h1{font-size:clamp(2.8rem,7vw,5.5rem)}
.compare-section:first-of-type{padding-top:1.25rem}

/* Spec packages */
.pkg-table{width:100%;border-collapse:collapse}
.pkg-table th,.pkg-table td{text-align:left;padding:1.15rem 1rem 1.15rem 0;border-bottom:1px solid var(--line);vertical-align:top}
.pkg-table th{font-size:.65rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600}
.pkg-idx{font-family:var(--display);font-weight:800;font-size:2rem;color:var(--accent);letter-spacing:-.03em;line-height:1}
.pkg-name{font-family:var(--display);font-weight:700;font-size:1.8rem;letter-spacing:-.03em;text-transform:uppercase}
.pkg-price{font-family:var(--display);font-weight:700;font-size:1.6rem;letter-spacing:-.02em}
.pkg-price em{display:block;font-family:var(--sans);font-style:normal;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-top:.2rem}
.pkg-table a{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:2px}
.pkg-table a:hover{color:var(--accent-soft)}
.pkg-cards{display:grid;gap:0;margin-top:3.5rem}
.pkg{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.5rem,4vw,3.5rem);
  align-items:center;padding:clamp(2.5rem,6vw,4.5rem) 0;border-top:1px solid var(--line);
}
.pkg:last-child{border-bottom:1px solid var(--line)}
.pkg.is-alt{grid-template-columns:.95fr 1.05fr}
.pkg.is-alt .pkg-body{order:-1}
.pkg .price{font-family:var(--display);font-weight:800;font-size:clamp(2.2rem,4vw,3.2rem);letter-spacing:-.03em;margin:.4rem 0 .8rem}
.pkg .price span{display:block;font-family:var(--sans);font-weight:600;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:.25rem}
.include{display:grid;gap:.45rem;margin:1.1rem 0 1.5rem;color:var(--muted)}
.include li{padding-left:1rem;position:relative}
.include li::before{content:"";position:absolute;left:0;top:.55rem;width:.45rem;height:.45rem;background:var(--accent)}

/* Compare slider */
.compare-section{padding:clamp(3rem,7vw,5.5rem) 0}
.compare-intro{max-width:40rem;margin-bottom:1.5rem}
.compare{margin:0}
.compare-frame{position:relative;overflow:hidden;background:#000;aspect-ratio:16/10;user-select:none}
.compare-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;max-width:none}
.compare-before-clip{position:absolute;inset:0 auto 0 0;width:50%;overflow:hidden;z-index:2}
.compare-rule{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;z-index:3;transform:translateX(-1px);pointer-events:none}
.compare-rule::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;border:2px solid #fff;background:color-mix(in srgb,var(--bg) 40%, transparent);
}
.compare-range{
  position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:4;
  appearance:none;background:transparent;
}
.compare-labels{display:flex;justify-content:space-between;margin-top:.7rem;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.compare-note{margin-top:1rem;color:var(--muted);font-size:.95rem;max-width:46rem}

/* Process timeline */
.timeline{display:grid;gap:0;border-top:1px solid var(--line)}
.t-step{display:grid;grid-template-columns:6.5rem 1fr 1fr;gap:clamp(1rem,3vw,2.5rem);align-items:start;padding:2rem 0;border-bottom:1px solid var(--line)}
.t-step .num{font-family:var(--display);font-weight:800;font-size:3rem;color:var(--accent);line-height:1;letter-spacing:-.04em}
.t-step h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:.5rem}
.t-step p{color:var(--muted)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.studio-card{background:var(--bg-2);border:1px solid var(--line);padding:1.75rem}
.studio-card h2{font-size:2.2rem;margin-bottom:.5rem}
.enquiry{display:grid;gap:1rem}
.enquiry .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{display:grid;gap:.35rem}
.field label{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.field input,.field select,.field textarea{
  border:1px solid var(--line-strong);background:var(--bg-3);padding:.8rem;width:100%;border-radius:0;appearance:none;color:var(--ink);
}
.field textarea{min-height:8rem;resize:vertical}
.form-banner{border-left:3px solid var(--accent);padding:.85rem 1rem;background:var(--bg-2);color:var(--muted);margin-bottom:.5rem}
.form-status{padding:.9rem 1rem;border:1px solid var(--line-strong);background:var(--bg-2)}
.form-status[hidden]{display:none}

.cta-band{padding:clamp(5rem,10vw,8rem) 0;background:var(--bg-2);border-top:1px solid var(--line)}
.note-block{margin:3rem auto;max-width:46rem;color:var(--muted)}
.note-block h2{margin-bottom:.6rem}

.site-footer{border-top:1px solid var(--line);padding:3rem 0 1.5rem;font-size:.95rem}
.footer-inner{display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:2rem;padding-bottom:2rem;border-bottom:1px solid var(--line)}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:var(--accent-soft)}
.site-footer h2{font-family:var(--sans);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:.6rem;font-weight:600}
.legal{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1.15rem;color:var(--muted);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}

.duo{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
.duo.is-flip{grid-template-columns:.9fr 1.1fr}
@media (max-width:1023px){
  .duo,.duo.is-flip{grid-template-columns:1fr}
  
  .pkg,.pkg.is-alt,.contact-grid,.t-step,.footer-inner,.enquiry .row{grid-template-columns:1fr}
  .pkg.is-alt .pkg-body{order:0}
  .hero{min-height:86svh}
}
@media (max-width:767px){
  .menu-toggle{display:inline-flex}
  .site-nav{display:none;position:fixed;inset:calc(var(--rail) + var(--header)) 0 0 0;background:var(--bg);padding:1.5rem var(--pad)}
  .site-nav.is-open{display:block}
  .site-nav ul{flex-direction:column;gap:.3rem}
  .site-nav a{font-family:var(--display);font-size:2.2rem;letter-spacing:-.03em;color:var(--ink)}
  body.nav-open{overflow:hidden}
  h1{font-size:clamp(3rem,16vw,4.4rem)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .btn:hover{transform:none}
}

.hero-media picture{position:absolute;inset:0;display:block;width:100%;height:100%}
.compare-frame picture{position:absolute;inset:0;width:100%;height:100%;display:block}
.compare-before-clip picture{width:100%;height:100%}
.pkg picture,.t-step picture{display:block}
@media (max-width:1023px){
  .invite{grid-template-columns:1fr}
}

@media (max-width:767px){
  .pkg-table thead{display:none}
  .pkg-table,.pkg-table tbody,.pkg-table tr,.pkg-table td{display:block;width:100%;border:0}
  .pkg-table tr{padding:1.15rem 0;border-bottom:1px solid var(--line)}
  .pkg-table td{padding:.25rem 0}
  .pkg-table td:last-child{margin-top:.4rem}
}

/* v6.1 — mobile polish: menu containing block, readable labels, tap targets, safe areas */
:root{--pad:max(clamp(1.15rem, 4vw, 3.25rem), env(safe-area-inset-left,0px), env(safe-area-inset-right,0px))}
.site-header{background:transparent;backdrop-filter:none}
.site-header::before{content:"";position:absolute;inset:0;z-index:-1;background:color-mix(in srgb,var(--bg) 86%, transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.wordmark{min-height:44px;align-items:center}
@media (max-width:767px){
  .concept-rail{font-size:.75rem;letter-spacing:.1em}
  .concept-rail a{position:relative}
  .concept-rail a::after{content:"";position:absolute;inset:-.75rem -.25rem}
  .wordmark .sub{font-size:.75rem}
  .eyebrow{font-size:.75rem}
  .hero .eyebrow{color:#fff;text-shadow:0 1px 12px rgba(0,0,0,.6)}
  .hero-cutline{font-size:.75rem}
  .btn{min-height:46px;font-size:.78rem}
  .pkg-table th,.compare-labels,.site-footer h2{font-size:.75rem}
  .pkg-price em,.pkg .price span{font-size:.75rem}
  .pkg-table a{display:inline-flex;align-items:center;min-height:44px;font-size:.78rem;padding-bottom:0}
  .field label{font-size:.75rem}
  .site-nav{padding-bottom:calc(1.5rem + env(safe-area-inset-bottom,0px))}
  .site-nav li{border-bottom:1px solid var(--line)}
  .site-nav a{display:flex;align-items:center;min-height:56px}
  .site-footer a{display:inline-flex;align-items:center;min-height:44px}
  .legal{padding-bottom:env(safe-area-inset-bottom,0px)}
}
.menu-toggle span{transition:transform .25s ease}
.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}
@media (min-width:768px) and (max-width:1023px){
  .concept-rail{font-size:.75rem}
  .concept-rail a{position:relative}
  .concept-rail a::after{content:"";position:absolute;inset:-.75rem -.25rem}
  .wordmark .sub,.eyebrow,.hero-cutline,.pkg-table th,.compare-labels,.site-footer h2,.pkg-price em,.pkg .price span,.field label{font-size:.75rem}
  .site-nav a{display:inline-flex;align-items:center;min-height:44px;font-size:.75rem}
  .btn{min-height:44px;font-size:.78rem}
  .pkg-table a{display:inline-flex;align-items:center;min-height:44px;font-size:.78rem;padding-bottom:0}
  .site-footer a{display:inline-flex;align-items:center;min-height:44px}
}
@media (max-width:767px){
  .concept-rail{height:auto;min-height:var(--rail);padding:.45rem var(--pad);text-align:center;flex-wrap:wrap;row-gap:.15rem;line-height:1.35}
}
@media (max-width:400px){
  .concept-rail{letter-spacing:.06em}
}