/* ============================================================
   SEVLA — Interior Design Studio
   Palette: warm bone, ink, clay, sand, olive
   Type: Fraunces (display) + Inter (text)
   ============================================================ */

:root {
  --bone:      #f3ecdf;   /* warm alabaster */
  --paper:     #faf5eb;
  --sand:      #e8dcc8;
  --sand-deep: #d7c5a8;
  --ink:       #14100b;   /* deep espresso black */
  --ink-soft:  #2f281f;
  --stone:     #6c6153;
  --stone-lt:  #948877;
  --clay:      #b24a26;   /* bold sienna / rust — primary accent */
  --clay-deep: #8c3819;
  --brass:     #c08a2d;   /* burnished brass — detail accent */
  --brass-lt:  #dcab55;
  --olive:     #5b5b3e;
  --line:      #dccbb0;
  --line-dk:   rgba(240,225,200,.16);

  --ff-display: "Fraunces", Georgia, "Times New Roman", serif;
  --ff-text: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --ff-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--ff-text);
  color: var(--ink);
  background: var(--bone);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--ff-display); font-weight: 500; line-height: 1.04; margin: 0; letter-spacing: -.02em; font-optical-sizing: auto; }
em { font-style: italic; }
p { margin: 0 0 1rem; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--ink); color: var(--bone); padding: .7rem 1rem; border-radius: 0 0 4px 0;
}
.skip-link:focus { left: 0; }

.eyebrow {
  font-family: var(--ff-mono);
  font-size: .72rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--brass); font-weight: 500; margin: 0 0 1.1rem;
  display: inline-flex; align-items: center; gap: .7rem;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; opacity: .8; }
.eyebrow--light { color: var(--brass-lt); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1rem 1.7rem; font-size: .78rem; font-weight: 500;
  font-family: var(--ff-mono); letter-spacing: .1em; text-transform: uppercase;
  border-radius: var(--radius); border: 1px solid transparent;
  transition: transform .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn--solid { background: var(--clay); color: #fff; }
.btn--solid:hover { background: var(--clay-deep); transform: translateY(-2px); }
.btn--ghost { border-color: var(--ink); color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--bone); }
.btn--ghost-light { border-color: rgba(255,255,255,.55); color: #fff; }
.btn--ghost-light:hover { background: #fff; color: var(--ink); }
.btn--full { width: 100%; }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(246,242,234,.9);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); }
.site-header:not(.is-scrolled):not(.force-dark-text) .brand,
.site-header:not(.is-scrolled):not(.force-dark-text) .site-nav a { color: #fff; }
.site-header:not(.is-scrolled) .nav-toggle span { background: #fff; }
.brand-mark { display: inline-flex; }
.brand-word { font-family: var(--ff-display); font-size: 1.4rem; letter-spacing: .34em; padding-left: .1em; }

.site-nav { display: flex; align-items: center; gap: 2rem; }
.site-nav a { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; position: relative; }
.site-nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0;
  background: currentColor; transition: width .3s var(--ease);
}
.site-nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  border: 1px solid currentColor; padding: .55rem 1rem; border-radius: var(--radius);
  transition: background .3s var(--ease), color .3s var(--ease);
}
.site-header.is-scrolled .nav-cta { border-color: var(--clay); color: var(--clay); }
.site-header.is-scrolled .nav-cta:hover { background: var(--clay); color: #fff; }
.site-header:not(.is-scrolled) .nav-cta:hover { background: #fff; color: var(--ink); border-color: #fff; }

.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; flex-direction: column; gap: 5px; justify-content: center; align-items: center; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { display: none; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: 0; background: linear-gradient(140deg, #4a3f34, #241f19 70%); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; animation: slowZoom 18s var(--ease) forwards; }
.hero-media img.img--failed { opacity: 0; }
@keyframes slowZoom { from { transform: scale(1.08); } to { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .hero-media img { animation: none; } }
.hero-scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to top, rgba(20,17,13,.82) 0%, rgba(20,17,13,.22) 45%, rgba(20,17,13,.35) 100%);
}
.hero-content { position: relative; z-index: 2; padding-bottom: clamp(3rem, 9vh, 7rem); padding-top: 120px; max-width: 920px; }
.hero-content h1 { font-size: clamp(3rem, 7.2vw, 6rem); font-weight: 600; letter-spacing: -.035em; line-height: .98; margin-bottom: 1.5rem; }
.hero-content h1 em { font-weight: 500; color: var(--brass-lt); }
.hero-lede { font-size: clamp(1.08rem, 1.8vw, 1.35rem); max-width: 640px; color: rgba(255,255,255,.92); font-weight: 400; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.2rem; }
.hero-note { font-size: .82rem; letter-spacing: .04em; color: rgba(255,255,255,.72); margin: 0; }

/* ---------- strip ---------- */
.strip { background: var(--ink); color: var(--bone); }
.strip-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1.5rem; padding: 1.4rem 0; }
.strip-inner span { font-family: var(--ff-display); font-size: clamp(1rem, 2vw, 1.3rem); letter-spacing: .02em; color: #eadfce; }
.strip-inner i { width: 5px; height: 5px; border-radius: 50%; background: var(--clay); display: inline-block; }

/* ---------- sections ---------- */
.section { padding: clamp(4.5rem, 10vw, 8rem) 0; }
.section--tint { background: var(--paper); }
.section-head { max-width: 720px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 600; margin-bottom: 1rem; }
.section-head h2 em { color: var(--clay); }
.section-sub { color: var(--stone); font-size: 1.08rem; margin: 0; }
.section-head--light h2, .section-head--light { color: var(--bone); }

.grid-2 { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.col-sticky { position: sticky; top: 110px; }
.col-sticky h2 { font-size: clamp(2rem, 3.8vw, 3.1rem); font-weight: 600; }
.prose .lead { font-size: 1.32rem; line-height: 1.5; color: var(--ink); font-family: var(--ff-display); font-weight: 400; }
.prose p { color: var(--ink-soft); }

.stat-row { display: flex; flex-wrap: wrap; gap: 2rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.stat-row li { flex: 1 1 140px; }
.stat-row strong { display: block; font-family: var(--ff-display); font-size: 2.8rem; font-weight: 600; color: var(--clay); line-height: 1; }
.stat-row span { display: block; font-size: .9rem; color: var(--stone); margin-top: .5rem; }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 230px; gap: 1rem; }
.gallery-item { position: relative; overflow: hidden; border-radius: var(--radius); margin: 0; background: linear-gradient(135deg, var(--sand), var(--sand-deep)); }
.gallery-item--tall { grid-row: span 2; }
.gallery-item--wide { grid-column: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.gallery-item img.img--failed { opacity: 0; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 1.4rem 1.2rem .9rem;
  color: #fff; font-size: .8rem; letter-spacing: .04em;
  background: linear-gradient(to top, rgba(20,17,13,.72), transparent);
  opacity: 0; transform: translateY(8px); transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.gallery-item figcaption span { display: block; font-family: var(--ff-display); font-size: 1rem; letter-spacing: .02em; margin-bottom: .1rem; }
.gallery-item:hover figcaption, .gallery-item:focus-within figcaption { opacity: 1; transform: translateY(0); }

/* ---------- services cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2.2rem 1.9rem; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.section--tint .card { background: #fff; }
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -30px rgba(40,30,20,.4); border-color: var(--sand-deep); }
.card--feature { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.card--feature .card-kicker { color: #d69b7c; }
.card--feature ul li { color: rgba(255,255,255,.82); border-color: var(--line-dk); }
.card-index { font-family: var(--ff-mono); font-size: .82rem; font-weight: 500; color: var(--brass); letter-spacing: .12em; }
.card--feature .card-index { color: var(--brass-lt); }
.card h3 { font-size: 1.6rem; font-weight: 600; margin: .6rem 0 .5rem; }
.card-kicker { font-size: .92rem; color: var(--stone); font-style: italic; font-family: var(--ff-display); margin-bottom: 1rem; }
.card p { font-size: .96rem; }
.card ul { margin-top: 1.2rem; }
.card ul li { font-size: .88rem; padding: .55rem 0; border-top: 1px solid var(--line); color: var(--ink-soft); }

/* ---------- outputs ---------- */
.outputs { margin-top: clamp(3rem, 6vw, 5rem); }
.outputs-head { max-width: 640px; margin-bottom: 2.5rem; }
.outputs-head h3 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 600; margin-bottom: .8rem; }
.outputs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.output { border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.9rem; background: var(--paper); }
.section--tint .output { background: #fff; }
.output--plus { border-color: var(--clay); box-shadow: 0 0 0 1px var(--clay) inset; }
.output h4 { font-family: var(--ff-display); font-size: 1.45rem; font-weight: 600; margin-bottom: .3rem; }
.output-note { font-size: .92rem; color: var(--stone); margin-bottom: 1.2rem; }

.ticks li { position: relative; padding: .5rem 0 .5rem 1.7rem; font-size: .95rem; color: var(--ink-soft); border-top: 1px solid var(--line); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .95rem; width: 12px; height: 7px;
  border-left: 1.6px solid var(--clay); border-bottom: 1.6px solid var(--clay);
  transform: rotate(-45deg);
}
.ticks--sm li { font-size: .88rem; padding-top: .4rem; padding-bottom: .4rem; }

/* ---------- process (dark) ---------- */
.section--dark { background: var(--ink); color: var(--bone); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; counter-reset: step; }
.steps li { border-top: 1px solid var(--line-dk); padding-top: 1.4rem; }
.step-num { font-family: var(--ff-mono); font-size: .85rem; font-weight: 500; color: var(--brass-lt); letter-spacing: .12em; }
.steps h3 { font-size: 1.5rem; font-weight: 600; margin: .8rem 0 .6rem; }
.steps p { font-size: .95rem; color: rgba(255,255,255,.75); margin: 0; }

/* ---------- estimator ---------- */
.section--estimate { background: linear-gradient(180deg, var(--paper), var(--sand) 220%); }
.estimator { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.est-form { display: grid; gap: 1.6rem; }
.field { border: 0; padding: 0; margin: 0; }
.field legend { font-family: var(--ff-display); font-size: 1.12rem; font-weight: 500; margin-bottom: .9rem; padding: 0; color: var(--ink); }

.chip-row { display: flex; flex-wrap: wrap; gap: .6rem; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip span {
  display: inline-block; padding: .65rem 1.1rem; border: 1px solid var(--line); border-radius: 100px;
  font-size: .9rem; background: var(--paper); transition: all .25s var(--ease); color: var(--ink-soft);
}
.chip input:checked + span { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip input:focus-visible + span { outline: 2px solid var(--clay); outline-offset: 2px; }

.stepper { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.step-btn {
  width: 46px; height: 46px; border: 1px solid var(--line); background: var(--paper); border-radius: var(--radius);
  font-size: 1.4rem; line-height: 1; color: var(--ink); transition: all .2s var(--ease);
}
.step-btn:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
#rooms { width: 76px; height: 46px; text-align: center; font-size: 1.2rem; font-family: var(--ff-display); border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink); }
#rooms::-webkit-outer-spin-button, #rooms::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
#rooms { -moz-appearance: textfield; }
.stepper-hint { font-size: .82rem; color: var(--stone); flex-basis: 100%; }

.option-list { display: grid; gap: .7rem; }
.option-list--grid { grid-template-columns: repeat(3, 1fr); }
.option { position: relative; display: block; cursor: pointer; }
.option input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.option-body {
  display: block; padding: 1rem 1.15rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper); transition: border-color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}
.option--compact .option-body { padding: .9rem 1rem; height: 100%; }
.option-title { display: block; font-weight: 600; font-size: .98rem; color: var(--ink); }
.option-title em { font-style: normal; color: var(--stone); font-weight: 400; font-size: .86em; }
.option-desc { display: block; font-size: .86rem; color: var(--stone); margin-top: .2rem; }
.option input:checked + .option-body { border-color: var(--clay); background: #fff; box-shadow: 0 0 0 1px var(--clay) inset; }
.option input:focus-visible + .option-body { outline: 2px solid var(--clay); outline-offset: 2px; }

.select-wrap { position: relative; max-width: 340px; }
.select-wrap::after { content: ""; position: absolute; right: 1rem; top: 50%; width: 8px; height: 8px; border-right: 1.6px solid var(--stone); border-bottom: 1.6px solid var(--stone); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
#state { width: 100%; appearance: none; padding: .85rem 2.4rem .85rem 1.1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); font-size: .98rem; color: var(--ink); }

/* result panel */
.est-result {
  position: sticky; top: 100px; background: var(--ink); color: var(--bone);
  border-radius: 8px; padding: 2rem 1.8rem; box-shadow: 0 40px 80px -50px rgba(20,15,10,.7);
}
.est-result .eyebrow { color: #d69b7c; }
.result-block { padding: 1.1rem 0; border-bottom: 1px solid var(--line-dk); }
.result-block--fee .result-figure { color: #e6a884; }
.result-label { display: block; font-family: var(--ff-mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: rgba(240,225,200,.62); }
.result-figure { display: block; font-family: var(--ff-display); font-size: clamp(1.9rem, 4.2vw, 2.7rem); font-weight: 500; margin: .25rem 0; letter-spacing: -.02em; }
.result-fine { display: block; font-size: .8rem; color: rgba(255,255,255,.6); }
.result-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line-dk); }
.meta-label { display: block; font-family: var(--ff-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(240,225,200,.55); margin-bottom: .3rem; }
.meta-value { display: block; font-size: .95rem; color: var(--bone); }
.result-includes { padding: 1.1rem 0 .4rem; }
.result-includes .ticks li { border-top-color: var(--line-dk); color: rgba(255,255,255,.85); }
.result-includes .ticks li::before { border-color: #e6a884; }
.result-disclaimer { font-size: .76rem; color: rgba(255,255,255,.5); line-height: 1.5; margin: .8rem 0 1.4rem; }

.lead-form { border-top: 1px solid var(--line-dk); padding-top: 1.4rem; }
.lead-intro { font-family: var(--ff-display); font-size: 1.05rem; margin-bottom: 1rem; color: var(--bone); }
.lead-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin-bottom: 1rem; }
.ff { display: flex; flex-direction: column; gap: .3rem; }
.ff span { font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.6); }
.ff span em { text-transform: none; letter-spacing: 0; font-style: normal; }
.ff input { padding: .7rem .8rem; border: 1px solid var(--line-dk); background: rgba(255,255,255,.06); border-radius: var(--radius); color: #fff; font-size: .95rem; }
.ff input:focus { outline: none; border-color: var(--clay); background: rgba(255,255,255,.1); }
.lead-confirm { text-align: center; color: #e6a884; font-family: var(--ff-display); font-size: 1.05rem; margin: 1rem 0 0; }
.hp { position: absolute; left: -9999px; }

/* ---------- CTA / contact ---------- */
.section--cta { background: var(--clay); color: #fff; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.cta-intro { position: sticky; top: 110px; }
.section--cta .eyebrow { color: rgba(255,255,255,.85); }
.section--cta h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 600; margin-bottom: 1rem; }
.cta-sub { font-size: 1.1rem; color: rgba(255,255,255,.92); margin-bottom: 2rem; max-width: 30ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.section--cta .btn--solid { background: var(--ink); }
.section--cta .btn--solid:hover { background: #000; }

.enquiry-form {
  background: rgba(15,10,6,.22); border: 1px solid rgba(255,255,255,.18);
  border-radius: 10px; padding: clamp(1.5rem, 3vw, 2.2rem);
  backdrop-filter: blur(2px);
}
.ff--full { display: flex; flex-direction: column; gap: .3rem; margin-bottom: 1rem; }
.enquiry-form .lead-grid { margin-bottom: 1rem; }
.ff textarea {
  padding: .7rem .8rem; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08);
  border-radius: var(--radius); color: #fff; font-family: var(--ff-text); font-size: .95rem; resize: vertical;
}
.ff textarea::placeholder { color: rgba(255,255,255,.55); }
.ff textarea:focus { outline: none; border-color: #fff; background: rgba(255,255,255,.12); }
.enquiry-form .ff span { color: rgba(255,255,255,.72); }

/* form status message (both forms) */
.form-msg { margin: .9rem 0 0; font-size: .9rem; line-height: 1.45; }
.form-msg--ok { color: var(--brass-lt); }
.form-msg--error { color: #ffd9cc; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: var(--bone); padding: 3.5rem 0 2.5rem; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem 2rem; align-items: center; }
.footer-brand .brand-word { font-size: 1.5rem; letter-spacing: .34em; }
.footer-brand p { font-size: .85rem; color: rgba(255,255,255,.6); margin: .5rem 0 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer-nav a { font-size: .82rem; letter-spacing: .06em; color: rgba(255,255,255,.75); transition: color .2s; }
.footer-nav a:hover { color: #fff; }
.footer-fine { grid-column: 1 / -1; border-top: 1px solid var(--line-dk); padding-top: 1.5rem; margin: 1rem 0 0; font-size: .8rem; color: rgba(255,255,255,.5); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .grid-2 { grid-template-columns: 1fr; }
  .col-sticky { position: static; }
  .cards { grid-template-columns: 1fr; }
  .outputs-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .estimator { grid-template-columns: 1fr; }
  .est-result { position: static; }
  .cta-grid { grid-template-columns: 1fr; }
  .cta-intro { position: static; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .gallery-item--wide { grid-column: span 2; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav.is-open { display: flex; }
  .mobile-nav {
    flex-direction: column; gap: .3rem; padding: 1rem var(--gutter) 1.6rem;
    background: rgba(246,242,234,.98); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
  }
  .mobile-nav a { padding: .8rem 0; font-size: .95rem; letter-spacing: .06em; text-transform: uppercase; border-bottom: 1px solid var(--line); color: var(--ink); }
  .mobile-nav .nav-cta { border: 0; color: var(--clay); }
  .option-list--grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .lead-grid { grid-template-columns: 1fr; }
  .result-meta { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero { min-height: 92svh; }
}

@media (max-width: 420px) {
  .gallery { grid-template-columns: 1fr; }
  .gallery-item--wide, .gallery-item--tall { grid-column: auto; grid-row: auto; }
}