/*
	Daedalus — Data Science & AI Consulting
	Theme: dark walnut + slate + near‑black with lime accent
	Notes: Minimal, responsive, no frameworks. Light mode fallback included.
*/

/* 1) Base reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
img { max-width: 100%; display: block; }
svg { display: block; }
a { text-decoration: none; color: inherit; }

/* 2) Design tokens */
:root {
	/* core hues */
	--bg: #0f1113;           /* near-black */
	--bg-elev: #161a1d;      /* slate 900 */
	--surface: #1b2227;      /* slate 800 */
	--walnut-900: #2a201a;   /* dark walnut */
	--walnut-800: #33241c;
	--card-border: #273039;  /* cool slate edge */

	/* text */
	--text: #e6ecef;         /* soft white */
	--muted: #a7b0b6;        /* cool grey */

	/* accent lime */
	--accent: #a3e635;       /* lime-400 */
	--accent-600: #84cc16;   /* lime-500 (hover) */
	--accent-200: #d9f99d;   /* lime-200 (tint) */
	--ring: rgba(163, 230, 53, .35);

	/* effects */
	--shadow-1: 0 10px 30px rgba(0, 0, 0, .45);
	--shadow-2: 0 4px 18px rgba(0, 0, 0, .35);

	/* sizing */
	--radius: 14px;
	--radius-sm: 10px;
	--container: 1120px;
}

@media (prefers-color-scheme: light) {
	:root {
		--bg: #f7f7f6;
		--bg-elev: #ffffff;
		--surface: #ffffff;
		--walnut-900: #efe9e4;
		--walnut-800: #e6ddd6;
		--card-border: #dfe5ea;
		--text: #0f1113;
		--muted: #49545c;
		--accent: #65a30d;      /* toned down lime for light */
		--accent-600: #4d7c0f;
		--accent-200: #d9f99d;
		--ring: rgba(101, 163, 13, .25);
	}
}

/* 3) Typography */
body {
	font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
	color: var(--text);
	background: radial-gradient(1000px 600px at 10% -10%, rgba(51, 36, 28, .35), transparent 55%),
							radial-gradient(800px 500px at 110% 10%, rgba(27, 34, 39, .45), transparent 50%),
							var(--bg);
	line-height: 1.55;
	font-size: 16px;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: 0.2px; }
h1 { font-size: clamp(1.9rem, 2.2vw + 1.2rem, 3.2rem); margin: 0 0 0.6rem; }
h2 { font-size: clamp(1.4rem, 1.2vw + 0.9rem, 2rem); margin: 0 0 0.75rem; }
h3 { font-size: clamp(1.05rem, 0.6vw + 0.8rem, 1.25rem); margin: 0 0 0.4rem; }
p { margin: 0 0 1rem; color: var(--text); }
.lead { color: var(--muted); font-size: clamp(1.05rem, 0.7vw + 0.9rem, 1.25rem); }

/* 4) Layout */
.container {
	width: min(100% - 2rem, var(--container));
	margin-inline: auto;
}

.site-header {
	position: sticky; top: 0; z-index: 50;
	background: color-mix(in oklab, var(--bg-elev) 92%, transparent);
	backdrop-filter: saturate(1.2) blur(10px);
	border-bottom: 1px solid color-mix(in oklab, var(--card-border) 70%, transparent);
}

.header-inner {
	display: flex; align-items: center; justify-content: space-between;
	padding: 0.8rem 0.25rem;
}

.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 650; }
.brand img { width: 42px; height: 42px; filter: drop-shadow(0 8px 16px rgba(0,0,0,.45)); }
.brand-name { letter-spacing: .3px; }

.nav { display: flex; align-items: center; gap: 1rem; }
.nav a { color: var(--muted); padding: .5rem .75rem; border-radius: 999px; transition: color .2s ease, background-color .2s ease; }
.nav a:hover { color: var(--text); background: color-mix(in oklab, var(--surface) 70%, transparent); }
.nav .cta { color: #0b1206; background: var(--accent); font-weight: 600; }
.nav .cta:hover { background: var(--accent-600); color: #081203; }

/* Hero */
.hero { padding: 4.5rem 0 3.5rem; background: linear-gradient(180deg, rgba(42,32,26,.20), rgba(42,32,26,0) 40%), transparent; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: min(6vw, 3rem); align-items: center; }

.hero-copy .hero-ctas { margin-top: 1.25rem; display: flex; gap: .8rem; flex-wrap: wrap; }

.hero-art { position: relative; }
.hero-art::before {
	content: "";
	position: absolute; inset: -6%; z-index: -1;
	background: radial-gradient(ellipse at 50% 45%, color-mix(in oklab, var(--accent) 28%, transparent) 0%, transparent 55%),
							radial-gradient(500px 200px at 55% 85%, rgba(51,36,28,0.35), transparent 70%);
	filter: blur(22px) saturate(1.05);
}
.hero-art img { width: min(380px, 60vw); margin: 0 auto; opacity: .98; }

/* Sections */
.section { padding: 3rem 0; }
.section.alt { background: linear-gradient(180deg, rgba(27,34,39,.65), rgba(27,34,39,.35)); border-block: 1px solid color-mix(in oklab, var(--card-border) 70%, transparent); }
.section-title { display: inline-flex; align-items: center; gap: .6rem; }
.section-title::after { content: ""; width: 38px; height: 2px; background: var(--accent); border-radius: 999px; opacity: .85; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 1rem; }
.card {
	background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 70%, transparent), color-mix(in oklab, var(--walnut-900) 55%, transparent));
	border: 1px solid var(--card-border);
	border-radius: var(--radius);
	padding: 1rem;
	box-shadow: var(--shadow-2);
}
.card p { color: var(--muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: .8rem; margin-top: 1rem; counter-reset: step; }
.steps li { list-style: none; background: color-mix(in oklab, var(--surface) 80%, transparent); border: 1px solid var(--card-border); padding: .9rem; border-radius: var(--radius-sm); color: var(--muted); }
.steps .step { display: inline-flex; align-items: center; gap: .5rem; font-weight: 650; color: #0b1206; background: var(--accent); padding: .15rem .55rem; border-radius: 999px; margin-right: .45rem; box-shadow: 0 2px 8px rgba(163,230,53,.25); }

/* Contact */
.contact .contact-actions { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; }
.contact .or { color: var(--muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .7rem 1rem; border-radius: 999px; border: 1px solid transparent; cursor: pointer; font-weight: 600; transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .02s ease; box-shadow: 0 6px 18px rgba(0,0,0,.22); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #0b1206; }
.btn-primary:hover { background: var(--accent-600); color: #081203; }
.btn-ghost { background: transparent; color: var(--text); border-color: color-mix(in oklab, var(--card-border) 80%, transparent); }
.btn-ghost:hover { background: color-mix(in oklab, var(--surface) 75%, transparent); }

.btn:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--ring); }

/* Footer */
.site-footer { border-top: 1px solid color-mix(in oklab, var(--card-border) 70%, transparent); background: color-mix(in oklab, var(--bg-elev) 94%, transparent); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.2rem .25rem; color: var(--muted); }
.footer-nav { display: inline-flex; gap: .8rem; }
.footer-nav a { color: var(--muted); padding: .25rem .5rem; border-radius: 6px; }
.footer-nav a:hover { color: var(--text); background: color-mix(in oklab, var(--surface) 70%, transparent); }

/* Media queries */
@media (max-width: 980px) {
	.hero-inner { grid-template-columns: 1fr; }
	.hero-art { order: -1; margin-bottom: .5rem; }
	.cards { grid-template-columns: repeat(2, 1fr); }
	.steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
	.header-inner { padding: .7rem 0; }
	.brand img { width: 36px; height: 36px; }
	.nav { gap: .2rem; }
	.nav a { padding: .45rem .55rem; }
	.cards { grid-template-columns: 1fr; }
	.steps { grid-template-columns: 1fr; }
}

/* Links inside content (if any rich text later) */
.prose a { color: var(--accent); text-decoration: underline; text-decoration-color: color-mix(in oklab, var(--accent) 55%, transparent); text-underline-offset: 3px; }
.prose a:hover { color: var(--accent-600); }