/* Landing page of 3D House Planner (index.php). Plain CSS, no build step.
   Light theme only: the landing intentionally has no dark mode. */
:root {
	color-scheme: light;
	--l-bg: #f7f9fc;
	--l-surface: #ffffff;
	--l-surface-2: #f1f5f9;
	--l-border: #e3e8f0;
	--l-text: #0f172a;
	--l-muted: #5b6b82;
	--l-accent: #0f9488;
	--l-accent-2: #0b7d73;
	--l-accent-soft: #dff5f1;
	--l-ai: #7c3aed;
	--l-ai-soft: #f1eafe;
	--l-blue: #2563eb;
	--l-orange: #ea580c;
	--l-radius: 20px;
	--l-shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 12px 32px -12px rgba(15, 23, 42, .18);
	--l-shadow-lg: 0 30px 80px -24px rgba(15, 23, 42, .35);
	--l-font: 'Inter', 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
	--l-max: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body.l-body {
	margin: 0;
	background: var(--l-bg);
	color: var(--l-text);
	font: 16px/1.6 var(--l-font);
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}
.l-body h1, .l-body h2, .l-body h3, .l-body h4 { font-family: var(--l-font); color: var(--l-text); margin: 0; letter-spacing: -.02em; line-height: 1.15; }
.l-body p { margin: 0; }
.l-body a { color: inherit; text-decoration: none; }
.l-body img { max-width: 100%; }
.l-body svg.feather { width: 1.1em; height: 1.1em; vertical-align: -.15em; }
.l-body :focus-visible { outline: 2px solid var(--l-accent); outline-offset: 2px; }
.l-body ::selection { background: var(--l-accent-soft); color: var(--l-text); }
.l-sr { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.l-wrap { width: 100%; max-width: var(--l-max); margin: 0 auto; padding: 0 20px; }
.l-section { padding: 96px 0; position: relative; }
.l-section-alt { background: var(--l-surface); border-top: 1px solid var(--l-border); border-bottom: 1px solid var(--l-border); }
.l-eyebrow {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 6px 12px; border-radius: 999px;
	background: var(--l-accent-soft); color: var(--l-accent-2);
	font-size: 13px; font-weight: 600; letter-spacing: .01em;
}
.l-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.l-head h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; margin: 14px 0 14px; }
.l-head p { color: var(--l-muted); font-size: 18px; }
.l-grad { background: linear-gradient(100deg, var(--l-accent) 10%, var(--l-blue) 55%, var(--l-ai) 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* buttons */
.l-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 10px;
	height: 50px; padding: 0 24px; border-radius: 14px; border: 1px solid transparent;
	font: 600 15.5px var(--l-font); cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s;
	white-space: nowrap;
}
.l-btn:hover { transform: translateY(-1px); }
.l-btn-primary { background: linear-gradient(135deg, #0f9488, #0d9b8e 40%, #2563eb); color: #fff !important; box-shadow: 0 10px 30px -10px rgba(15, 148, 136, .7); }
.l-btn-primary:hover { box-shadow: 0 16px 40px -12px rgba(37, 99, 235, .6); }
.l-btn-ghost { background: var(--l-surface); color: var(--l-text) !important; border-color: var(--l-border); }
.l-btn-ghost:hover { border-color: var(--l-accent); }
.l-btn-light { background: #fff; color: #0f172a !important; }
.l-btn-sm { height: 40px; padding: 0 16px; border-radius: 12px; font-size: 14px; }

/* nav */
.l-nav {
	position: fixed; top: 0; left: 0; right: 0; z-index: 50;
	transition: background .25s ease, box-shadow .25s ease, border-color .25s;
	border-bottom: 1px solid transparent;
}
.l-nav.l-scrolled, .l-nav.l-menu-open { background: color-mix(in srgb, var(--l-bg) 82%, transparent); backdrop-filter: saturate(1.6) blur(14px); -webkit-backdrop-filter: saturate(1.6) blur(14px); border-color: var(--l-border); }
.l-nav-inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.l-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; letter-spacing: -.01em; }
.l-logo img { height: 40px; width: auto; }
.l-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.l-links a { padding: 8px 12px; border-radius: 10px; color: var(--l-muted); font-size: 14.5px; font-weight: 500; transition: color .15s, background .15s; }
.l-links a:hover { color: var(--l-text); background: var(--l-surface-2); }
.l-nav-actions { display: flex; align-items: center; gap: 8px; }
.l-icon-btn {
	width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--l-border); background: var(--l-surface);
	color: var(--l-text); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; font: 700 12px var(--l-font);
}
.l-icon-btn:hover { border-color: var(--l-accent); }
.l-icon-btn svg.feather { width: 18px; height: 18px; vertical-align: 0; }

/* language selector: native <select> (accessible, works with any number of languages) */
.l-lang {
	position: relative; display: inline-flex; align-items: center; height: 40px;
	border: 1px solid var(--l-border); border-radius: 12px; background: var(--l-surface); color: var(--l-text);
	transition: border-color .15s;
}
.l-lang:hover, .l-lang:focus-within { border-color: var(--l-accent); }
.l-lang > svg.feather { position: absolute; left: 11px; width: 16px; height: 16px; color: var(--l-muted); pointer-events: none; }
.l-lang select {
	appearance: none; -webkit-appearance: none; -moz-appearance: none;
	height: 100%; max-width: 160px; margin: 0; padding: 0 30px 0 34px; border: 0; border-radius: inherit;
	background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235b6b82' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 11px center;
	color: inherit; font: 600 13.5px var(--l-font); cursor: pointer; text-overflow: ellipsis;
}
.l-lang select:focus { outline: none; }
.l-lang select option { color: #0f172a; background: #fff; }
.l-menu-btn { display: none; }
.l-mobile { display: none; }
@media (max-width: 1020px) {
	.l-links { display: none; }
	.l-menu-btn { display: inline-flex; }
	.l-nav-actions { margin-left: auto; }
	.l-nav-actions .l-btn { display: none; }
	.l-mobile.l-open {
		display: flex; flex-direction: column; gap: 2px; padding: 10px 20px 18px;
		background: var(--l-bg); border-bottom: 1px solid var(--l-border);
	}
	.l-mobile a { padding: 12px 8px; border-radius: 10px; font-weight: 500; }
	.l-mobile a:hover { background: var(--l-surface-2); }
	.l-mobile .l-btn { margin-top: 8px; font-weight: 600; }
}

/* hero */
.l-hero { position: relative; padding: 140px 0 80px; overflow: hidden; }
.l-hero::before {
	content: ''; position: absolute; inset: -20% -10% auto; height: 900px; z-index: -1;
	background:
		radial-gradient(40% 50% at 15% 30%, rgba(45, 212, 191, .28), transparent 70%),
		radial-gradient(35% 45% at 85% 20%, rgba(124, 58, 237, .22), transparent 70%),
		radial-gradient(40% 40% at 60% 75%, rgba(37, 99, 235, .18), transparent 70%);
	filter: blur(10px);
}
.l-hero::after {
	content: ''; position: absolute; inset: 0; z-index: -1; opacity: .5;
	background-image: linear-gradient(var(--l-border) 1px, transparent 1px), linear-gradient(90deg, var(--l-border) 1px, transparent 1px);
	background-size: 48px 48px;
	mask-image: radial-gradient(60% 60% at 50% 20%, #000, transparent 75%);
	-webkit-mask-image: radial-gradient(60% 60% at 50% 20%, #000, transparent 75%);
}
.l-hero-grid { display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }
.l-hero-grid > *, .l-bento > *, .l-steps > *, .l-about > *, .l-tools > *, .l-credits > * { min-width: 0; }
.l-hero h1 { font-size: clamp(38px, 5.4vw, 64px); font-weight: 800; letter-spacing: -.035em; margin: 18px 0 20px; overflow-wrap: break-word; hyphens: auto; }
.l-hero-sub { font-size: 19px; color: var(--l-muted); max-width: 560px; }
.l-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 26px; }
.l-trust { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--l-muted); font-size: 14px; }
.l-trust span { display: inline-flex; align-items: center; gap: 6px; }
.l-trust svg { color: var(--l-accent); }
.l-typed { color: var(--l-accent); }
.l-typed-cursor { display: inline-block; width: 3px; height: .9em; margin-left: 3px; background: currentColor; vertical-align: -.08em; animation: l-blink .8s steps(2) infinite; }
@keyframes l-blink { 50% { opacity: 0; } }

.l-mock { position: relative; }
.l-window {
	position: relative; border-radius: 18px; overflow: hidden; background: #0f172a;
	border: 1px solid var(--l-border); box-shadow: var(--l-shadow-lg);
	transform: perspective(1600px) rotateY(-6deg) rotateX(3deg); transition: transform .6s ease;
}
.l-mock:hover .l-window { transform: perspective(1600px) rotateY(0) rotateX(0); }
.l-window-bar { display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px; overflow: hidden; white-space: nowrap; background: #fff; border-bottom: 1px solid #e2e8f0; color: #0f172a; font-size: 12px; font-weight: 600; }
.l-dots { display: flex; gap: 6px; }
.l-dots i { width: 10px; height: 10px; border-radius: 50%; background: #e2e8f0; display: block; }
.l-dots i:nth-child(1) { background: #fb7185; }
.l-dots i:nth-child(2) { background: #fbbf24; }
.l-dots i:nth-child(3) { background: #34d399; }
.l-seg { margin: 0 auto; display: flex; gap: 2px; padding: 3px; border-radius: 9px; background: #f1f5f9; }
.l-seg b { padding: 3px 9px; border-radius: 7px; color: #64748b; font-weight: 600; }
.l-seg b.on { background: #fff; color: #0f9488; box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }
.l-ai-pill { margin-left: auto; padding: 4px 10px; border-radius: 8px; background: linear-gradient(135deg, #7c3aed, #2563eb); color: #fff; }
.l-window video { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.l-float {
	position: absolute; display: flex; align-items: center; gap: 10px; padding: 10px 14px;
	background: var(--l-surface); color: var(--l-text); border: 1px solid var(--l-border); border-radius: 14px;
	box-shadow: var(--l-shadow); font-size: 13px; font-weight: 600; animation: l-bob 6s ease-in-out infinite;
}
.l-float small { display: block; font-weight: 500; color: var(--l-muted); font-size: 12px; }
.l-float .l-ic { width: 34px; height: 34px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.l-float-ai { left: -28px; bottom: 34px; max-width: 290px; }
.l-float-bim { right: -18px; top: 70px; animation-delay: -2s; }
.l-float-sync { right: 26px; bottom: -22px; animation-delay: -4s; }
@keyframes l-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@media (prefers-reduced-motion: reduce) {
	.l-float, .l-typed-cursor { animation: none; }
	.l-window { transform: none; }
	html { scroll-behavior: auto; }
}

/* stats */
.l-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 72px; border-radius: var(--l-radius); overflow: hidden; background: var(--l-border); border: 1px solid var(--l-border); }
.l-stat { background: var(--l-surface); padding: 22px 24px; }
.l-stat b { display: block; font-size: 28px; font-weight: 800; letter-spacing: -.02em; }
.l-stat span { color: var(--l-muted); font-size: 14px; }

/* bento */
.l-bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.l-card {
	position: relative; background: var(--l-surface); border: 1px solid var(--l-border); border-radius: var(--l-radius);
	padding: 28px; box-shadow: var(--l-shadow); overflow: hidden; transition: transform .2s ease, border-color .2s ease;
}
.l-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--l-accent) 40%, var(--l-border)); }
.l-card h3 { font-size: 21px; font-weight: 700; margin: 16px 0 10px; }
.l-card p { color: var(--l-muted); font-size: 15.5px; }
.l-card ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--l-muted); font-size: 14.5px; }
.l-card li { display: flex; gap: 8px; align-items: flex-start; }
.l-card li svg { color: var(--l-accent); flex-shrink: 0; margin-top: 4px; }
.l-span-4 { grid-column: span 4; }
.l-span-3 { grid-column: span 3; }
.l-span-2 { grid-column: span 2; }
.l-badge-ic { width: 48px; height: 48px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; }
.l-badge-ic svg { width: 24px; height: 24px; }
.l-c-teal { background: var(--l-accent-soft); color: var(--l-accent); }
.l-c-ai { background: var(--l-ai-soft); color: var(--l-ai); }
.l-c-blue { background: color-mix(in srgb, var(--l-blue) 14%, transparent); color: var(--l-blue); }
.l-c-orange { background: color-mix(in srgb, var(--l-orange) 14%, transparent); color: var(--l-orange); }
.l-tag { display: inline-block; padding: 3px 9px; border-radius: 999px; background: var(--l-ai-soft); color: var(--l-ai); font-size: 12px; font-weight: 700; margin-left: 6px; vertical-align: 3px; letter-spacing: .02em; }

.l-chat { margin-top: 22px; display: grid; gap: 10px; font-size: 14px; }
.l-msg { padding: 10px 14px; border-radius: 16px; max-width: 88%; }
.l-msg-user { justify-self: end; background: #0f9488; color: #fff; border-bottom-right-radius: 5px; }
.l-msg-ai { background: var(--l-surface-2); border-bottom-left-radius: 5px; }
.l-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.l-chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--l-border); color: var(--l-muted); font-size: 12.5px; background: var(--l-surface); }
.l-chip i { width: 7px; height: 7px; border-radius: 50%; background: #16a34a; display: inline-block; }

.l-modes { margin-top: 20px; display: grid; grid-template-columns: max-content 1fr; gap: 8px 14px; align-items: center; font-size: 13.5px; font-weight: 600; }
.l-mode { display: contents; }
.l-bar { height: 8px; border-radius: 99px; background: var(--l-surface-2); overflow: hidden; }
.l-bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--l-accent), var(--l-blue), var(--l-ai)); }

.l-sync { margin-top: 22px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; }
.l-sync-box { aspect-ratio: 4 / 3; border-radius: 14px; border: 1px solid var(--l-border); background: var(--l-surface-2); position: relative; overflow: hidden; }
.l-sync-box svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.l-sync-arrow { color: var(--l-accent); display: inline-flex; }

.l-formats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.l-format { padding: 6px 12px; border-radius: 10px; background: var(--l-surface-2); border: 1px solid var(--l-border); font: 700 13px ui-monospace, 'SF Mono', Menlo, monospace; color: var(--l-text); }

/* steps */
.l-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.l-step { padding: 28px; border-radius: var(--l-radius); background: var(--l-surface); border: 1px solid var(--l-border); position: relative; }
.l-step::before {
	counter-increment: step; content: counter(step);
	display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 12px;
	background: linear-gradient(135deg, var(--l-accent), var(--l-blue)); color: #fff; font-weight: 800; margin-bottom: 18px;
}
.l-step h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.l-step p { color: var(--l-muted); font-size: 15px; }

/* about cards (original illustrations) */
.l-about { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.l-about .l-card { text-align: left; }
.l-about img { height: 120px; width: auto; display: block; margin-bottom: 4px; }

/* tools */
.l-tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.l-tool { display: flex; flex-direction: column; gap: 8px; padding: 22px; border-radius: 18px; background: var(--l-surface); border: 1px solid var(--l-border); transition: border-color .2s, transform .2s; }
.l-tool:hover { border-color: var(--l-accent); transform: translateY(-2px); }
.l-tool b { font-size: 16px; display: flex; align-items: center; gap: 8px; }
.l-tool span { color: var(--l-muted); font-size: 14px; }
.l-tool .l-go { margin-top: auto; color: var(--l-accent); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.l-tool .l-go span { color: inherit; font-size: inherit; }
.l-tool:hover .l-go svg { transform: translateX(3px); }
.l-go svg { transition: transform .2s; }

/* donate */
.l-donate { border-radius: 28px; overflow: hidden; position: relative; color: #fff; background: #0f172a url('../images/architecture.jpg') center / cover; }
.l-donate::before { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(15, 23, 42, .92), rgba(13, 148, 136, .72)); }
.l-donate-inner { position: relative; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; padding: 56px; align-items: center; }
.l-donate h2 { color: #fff; font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; margin-bottom: 14px; }
.l-donate p { color: rgba(255, 255, 255, .82); font-size: 17px; }
.l-donate ol { margin: 18px 0 0; padding-left: 20px; color: rgba(255, 255, 255, .9); display: grid; gap: 6px; }
.l-donate-box { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2); border-radius: 20px; padding: 28px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.l-donate-box .l-or { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255, 255, 255, .7); }
#donate-button { min-height: 47px; }

/* attribution */
.l-credits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.l-credit { display: flex; gap: 18px; align-items: flex-start; padding: 20px; border-radius: 18px; background: var(--l-surface); border: 1px solid var(--l-border); }
.l-credit img { width: 64px; height: 64px; object-fit: contain; flex-shrink: 0; border-radius: 12px; background: #fff; padding: 6px; border: 1px solid var(--l-border); }
.l-credit h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.l-credit p { font-size: 14px; color: var(--l-muted); }
.l-credit a, .l-link { color: var(--l-accent); font-weight: 600; }
.l-credit a:hover, .l-link:hover { text-decoration: underline; }

/* faq */
.l-faq { max-width: 820px; margin: 0 auto; display: grid; gap: 10px; }
.l-faq details { background: var(--l-surface); border: 1px solid var(--l-border); border-radius: 16px; padding: 4px 22px; }
.l-faq summary { cursor: pointer; list-style: none; padding: 16px 0; font-weight: 600; font-size: 16.5px; display: flex; justify-content: space-between; gap: 12px; }
.l-faq summary:hover { color: var(--l-accent-2); }
.l-faq summary::-webkit-details-marker { display: none; }
.l-faq summary::after { content: '+'; color: var(--l-accent); font-size: 22px; line-height: 1; transition: transform .2s; }
.l-faq details[open] summary::after { transform: rotate(45deg); }
.l-faq details p { color: var(--l-muted); padding: 0 0 18px; }

/* cta band */
.l-cta { margin-top: 72px; text-align: center; padding: 72px 24px; border-radius: 28px; background: linear-gradient(135deg, var(--l-accent-soft), var(--l-ai-soft)); border: 1px solid var(--l-border); }
.l-cta h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; margin-bottom: 12px; }
.l-cta p { color: var(--l-muted); font-size: 18px; margin-bottom: 26px; }

/* footer */
.l-topics { background: #0b1120; color: #94a3b8; padding: 56px 0 36px; border-top: 1px solid #1e293b; }
.l-topics h3 { color: #5eead4; font-size: 17px; font-weight: 700; margin-bottom: 20px; }
.l-topics-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; font-size: 13.5px; }
.l-topics a { color: #e2e8f0; font-weight: 600; }
.l-topics a:hover { color: #fff; text-decoration: underline; }
.l-topics p { margin-top: 4px; font-size: 12.5px; }
.l-footer { background: #0b1120; color: #94a3b8; padding: 28px 0 40px; border-top: 1px solid #1e293b; font-size: 14px; }
.l-footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.l-footer img { height: 36px; filter: brightness(0) invert(1); opacity: .9; }
.l-social { display: flex; gap: 10px; }
.l-social a { width: 40px; height: 40px; border-radius: 12px; background: #1e293b; color: #e2e8f0; display: inline-flex; align-items: center; justify-content: center; transition: background .2s; }
.l-social a:hover { background: #0f9488; }
.l-footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.l-footer-links a:hover { color: #fff; }

/* review dialog + cookie consent */
.l-modal { display: none; position: fixed; inset: 0; z-index: 999; background: rgba(2, 6, 23, .6); backdrop-filter: blur(4px); padding: 40px 16px; overflow-y: auto; }
.l-modal-box { position: relative; max-width: 860px; margin: 0 auto; background: var(--l-surface); color: var(--l-text); border-radius: 24px; padding: 34px; box-shadow: var(--l-shadow-lg); }
.l-modal-box h2 { font-size: 24px; font-weight: 800; text-align: center; margin-bottom: 8px; }
.l-modal-box > p { text-align: center; color: var(--l-muted); margin-bottom: 24px; }
.l-modal-close { position: absolute; top: 14px; right: 14px; }
.l-modal-box h2 { padding: 0 40px; }
.l-reviews { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.l-reviews li { display: flex; align-items: center; justify-content: center; min-height: 84px; padding: 10px; border-radius: 16px; border: 1px solid var(--l-border); background: #fff; color: #0f172a; text-align: center; }
.l-reviews li a { color: #0f172a; }
.l-reviews img { max-height: 60px; width: auto; }
.l-consent {
	position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60; max-width: 720px; margin: 0 auto;
	display: none; align-items: center; gap: 18px; padding: 16px 18px; border-radius: 18px;
	background: var(--l-surface); border: 1px solid var(--l-border); box-shadow: var(--l-shadow-lg); font-size: 14px;
}
.l-consent.l-show { display: flex; }
.l-consent p { flex: 1; color: var(--l-muted); }
.l-consent a { color: var(--l-accent); font-weight: 700; }

/* reveal on scroll */
.l-reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.l-reveal.l-in { opacity: 1; transform: none; }
.no-js .l-reveal { opacity: 1; transform: none; }

/* responsive */
@media (max-width: 1020px) {
	.l-hero-grid { grid-template-columns: 1fr; gap: 64px; }
	.l-hero { padding-top: 120px; }
	.l-window { transform: none; }
	.l-float-ai { left: 8px; bottom: -28px; }
	.l-float-bim { right: 8px; top: 58px; }
	.l-float-sync { display: none; }
	.l-bento { grid-template-columns: 1fr 1fr; }
	.l-span-4, .l-span-3, .l-span-2 { grid-column: span 2; }
	.l-bento .l-half { grid-column: span 1; }
	.l-tools { grid-template-columns: 1fr 1fr; }
	.l-topics-grid { grid-template-columns: 1fr 1fr 1fr; }
	.l-donate-inner { grid-template-columns: 1fr; padding: 40px 28px; }
}
@media (max-width: 760px) {
	.l-section { padding: 72px 0; }
	.l-stats { grid-template-columns: 1fr 1fr; }
	.l-bento .l-half { grid-column: span 2; }
	.l-steps, .l-about, .l-credits, .l-tools { grid-template-columns: 1fr; }
	.l-topics-grid { grid-template-columns: 1fr 1fr; }
	.l-hero-sub { font-size: 17px; }
	.l-float { display: none; }
	.l-consent { flex-direction: column; align-items: stretch; text-align: center; }
	.l-modal-box { padding: 26px 18px; }
	.l-cta { margin-top: 56px; padding: 56px 20px; }
	.l-donate-inner { padding: 36px 22px; }
}
@media (max-width: 480px) {
	.l-wrap { padding: 0 16px; }
	.l-nav-inner { gap: 12px; height: 64px; }
	.l-logo img { height: 34px; }
	.l-lang select { max-width: 150px; padding-right: 26px; }
	.l-hero { padding: 104px 0 64px; }
	.l-hero h1 { font-size: 34px; }
	.l-hero-cta .l-btn { width: 100%; height: auto; min-height: 50px; padding: 12px 18px; white-space: normal; text-align: center; }
	.l-stats { margin-top: 56px; }
	.l-stat { padding: 18px; }
	.l-stat b { font-size: 24px; }
	.l-card, .l-step { padding: 22px; }
	.l-credit { padding: 16px; gap: 14px; }
	.l-credit img { width: 52px; height: 52px; }
	.l-topics-grid { grid-template-columns: 1fr; }
	.l-footer-inner { flex-direction: column; align-items: flex-start; }
	.l-reviews { grid-template-columns: 1fr; }
	.l-dots { display: none; }
	.l-seg { margin: 0; }
	.l-seg b { padding: 3px 7px; }
}
@media (max-width: 360px) {
	.l-lang > svg.feather { display: none; }
	.l-lang select { max-width: 124px; padding-left: 12px; }
}