/* Houston edition: Gulf Coast light, Lone Star colors, familiar service layout. */
:root { --ink:#122d4c; --muted:#52616d; --blue:#244f7c; --green:#ad3e32; --sky:#dfd3bb; --mint:#f8f1e6; --wash:#f7f2e9; --line:rgba(18,45,76,.15); --shadow:0 18px 50px rgba(18,45,76,.12); --radius:8px; }
body { background:#fffcf6; }
body, button, input, select, textarea { font-family:'Manrope','Segoe UI',sans-serif; }
.container { width:min(1200px,calc(100% - 48px)); }
.site-header { background:#fffcf6; border-top:5px solid #122d4c; border-bottom:1px solid #ddd7cb; }
.nav { min-height:86px; gap:18px; }
.brand { color:#122d4c; font-size:1.03rem; letter-spacing:.02em; gap:11px; }
.brand-wordmark { line-height:1.2; font-weight:900; letter-spacing:.065em; }
.brand-wordmark>span { display:block; font-size:.73em; letter-spacing:.23em; margin-top:4px; }
.logo-mark { background:#122d4c; width:55px; height:55px; border-radius:10px; box-shadow:none; }
.logo-mark img { width:100%;height:100%;object-fit:contain; }
.logo-mark::before,.logo-mark::after { display:none; }
.nav-links { gap:25px; font-size:.9rem; }
.btn { border-radius:5px; font-size:.94rem; min-height:50px; padding:13px 23px; }
.btn-primary { background:#ad3e32; box-shadow:0 6px 16px #601f1718; }
.btn-primary:hover { background:#8e3027; }
.btn-outline { color:#122d4c; border-color:#122d4c; }
.eyebrow { color:#994133; font-size:.78rem; letter-spacing:.15em; }
.hero { color:#fffcf6; background:linear-gradient(90deg,rgba(10,29,49,.96),rgba(10,29,49,.82) 45%,rgba(10,29,49,.25)),url('/assets/houston-skyline.jpg') center 56%/cover; border-bottom:7px solid #ad3e32; }
.hero::before { content:'✦'; color:rgba(255,250,233,.07); top:5%; right:5%; font-size:300px; }
.hero::after { display:none; }
.hero-inner { min-height:675px; grid-template-columns:1.2fr .8fr; gap:60px; padding:83px 0 76px; }
.hero h1 { font-family:Georgia,'Times New Roman',serif; font-size:clamp(3.7rem,6.2vw,6.2rem); font-weight:500; letter-spacing:-.045em; line-height:.99; margin:24px 0; }
.hero .eyebrow { color:#e3cfa8; }
.hero .lead { color:#e5e9eb; max-width:550px; font-size:1.15rem; line-height:1.75; }
.hero .btn-ghost { color:#fffaf0; background:transparent; border-color:#ffffff60; }
.hero .btn-ghost span { padding-left:18px; }
.hero-panel { margin-top:100px; background:rgba(255,252,246,.96); color:#122d4c; padding:29px; border-top:4px solid #bb9c69; border-radius:5px; box-shadow:0 15px 45px #0002; animation:float-in .8s both; }
.hero-panel h2 { font-size:2rem; line-height:1.12; letter-spacing:-.025em; margin-top:12px; }
.hero-panel .eyebrow { color:#994133; font-size:.68rem; }
.hero-panel p { color:#52616d; font-size:.92rem; }
.metric-grid { margin-top:25px; gap:10px; }
.metric { background:#f4eee3; border:1px solid #dfd3bb; border-radius:4px; padding:13px; }
.metric strong { color:#122d4c; font-size:1.7rem; }
.metric span { font-size:.76rem; color:#52616d; }
h2 { letter-spacing:-.025em; line-height:1.12; }
.home-ozone-bg { background:linear-gradient(#fffcf6ee,#fffcf6f5),url('/assets/ozone-molecules-background-optimized.jpg') center/cover fixed; }
.service-card { background:#fff; border-color:#e4ded4; border-radius:6px; }
.service-card img { height:230px; }
.service-card h3 { font-size:1.2rem; }
.service-card a { color:#9c382d; }
.service-card a::after { content:' ↗'; }
.process-band { background:#122d4c; color:#fffaf0; }
.process-band .eyebrow { color:#e3cfa8; }
.process-band .lead { color:#e2e7ec; }
.step { background:#ffffff08; border-color:#ffffff28; }
.step strong { background:#e3cfa8; color:#122d4c; box-shadow:none; }
.step p { color:#dde3e9; }
.houston-photo { position:relative; border-radius:6px; box-shadow:18px 18px 0 #e6dcc8; overflow:hidden; }
.houston-photo img { height:430px; width:100%;object-fit:cover; }
.photo-caption { position:absolute; bottom:0; left:0; right:0; padding:60px 25px 25px; color:white; background:linear-gradient(transparent,#122d4ce6); }
.photo-caption span,.photo-caption strong { display:block; }
.photo-caption span { font-size:.8rem; text-transform:uppercase; letter-spacing:.15em; }
.photo-caption strong { font-family:Georgia,serif; font-size:1.9rem; }
.regional-note { font-size:.92rem; color:#52616d; line-height:1.7; }
.regional-note a { color:#994133; font-weight:800; text-decoration:underline; }
.area-list { font-size:.9rem; }
.area-list li::marker { color:#ad3e32; }
.review { background:#fffdf9; border:1px solid #e4ded4; box-shadow:none; }
.review h3 { margin-top:10px; }
.expectation-star { color:#ad3e32; font-size:1.8rem; }
.form-wrap { background:#fff; border-top:4px solid #ad3e32; }
.site-footer { background:#10253e; color:#fffaf0; }
.site-footer .brand { color:white; }
.site-footer .footer-call-button { background:#ad3e32; color:#fff; box-shadow:0 6px 16px #601f1730; }
.site-footer .footer-call-button:hover { background:#8e3027; }
.chat-head { background:#122d4c; }
.chat-estimate-form { background:#f8f3e9; }
.chat-estimate-toggle,.chat-button { background:#ad3e32; }
.chat-button { box-shadow:0 6px 25px #122d4c35; }
.chat-badge { background:#dfbd76; }
.message.bot { background:#f5efe4; }
.message.user { background:#e6edf4; }
.chat-estimate-form button { background:#122d4c; }
.page-hero,.landing-hero { background:linear-gradient(105deg,#faf5eaf2,#faf5eade 55%,#faf5ea80),var(--hero-image,url('/assets/houston-skyline.jpg')) center/cover; }
.page-hero::after,.landing-hero::after { opacity:.25; }
.cta-band { background:#f0e5d2; }
.zone-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:35px; }
.zone { background:#fffdf8; border:1px solid #dfd3bb; border-top:4px solid #ad3e32; padding:26px; border-radius:5px; }
.zone h3 { line-height:1.3; }
.zone ul { padding-left:20px; color:#52616d; line-height:1.9; }
.zone-kicker { font-size:.76rem; text-transform:uppercase; color:#994133; letter-spacing:.1em; font-weight:800; }
.houston-brand { flex:0 0 auto; }
.houston-brand .full-logo { width:300px; height:100px; object-fit:contain; display:block; }
.footer-brand { width:max-content; max-width:100%; background:transparent; border-radius:0; padding:4px 0; }
.footer-brand .full-logo { width:260px; height:88px; }
.chat-brand img { object-fit:contain; border-radius:50%; }
.nav-links { flex-wrap:wrap; }
@media(max-width:620px) { .houston-brand .full-logo { width:240px; height:80px; } .nav { gap:8px; } .landing-header .houston-brand .full-logo { width:205px; height:70px; } .landing-header .btn { font-size:.8rem; padding:10px; } }
.area-intro { max-width:780px; }
.contact-note { font-size:.85rem; color:#52616d; }
@media(max-width:1000px) { .hero-inner { gap:30px; } .nav-links { gap:14px; } .hero h1 { font-size:4.5rem; } }
@media(max-width:900px) { .hero-inner { grid-template-columns:1fr; padding:64px 0; } .hero-panel { margin-top:0; max-width:540px; } .nav-links { gap:8px; } .zone-grid { grid-template-columns:1fr; } }
@media(max-width:620px) { .container { width:calc(100% - 32px); } .hero h1 { font-size:3.65rem; } .hero-inner { padding:50px 0; gap:36px; } .hero .lead { font-size:1.02rem; } .hero .hero-actions .btn { width:100%; } .hero-panel { padding:22px; } .hero-panel .metric-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .hero-panel h2 { font-size:1.8rem; } .metric strong { font-size:1.5rem; } .brand { font-size:.9rem; } .houston-photo { box-shadow:8px 8px 0 #e6dcc8; } .houston-photo img { height:320px; } .nav { min-height:78px; } .service-card img { height:230px; } .brand-wordmark>span { font-size:.75em; } }