/* Eco-Domo — Thème clair nature/tech inspiré Home Assistant */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f0f5f1;
    --bg-card: #ffffff;
    --bg-card-hover: #f8faf8;
    --text-primary: #1a2b1f;
    --text-secondary: #5a6b5e;
    --accent-blue: #18BCF2;
    --accent-green: #4CAF50;
    --accent-teal: #26A69A;
    --accent-leaf: #66BB6A;
    --accent-sky: #29B6F6;
    --gradient-accent: linear-gradient(135deg, #4CAF50 0%, #18BCF2 100%);
    --gradient-hero: linear-gradient(160deg, #f0f9f1 0%, #e8f4fd 50%, #f0f5f1 100%);
    --gradient-soft: linear-gradient(135deg, rgba(76,175,80,0.08) 0%, rgba(24,188,242,0.08) 100%);
    --radius: 20px;
    --radius-sm: 12px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow: 0 8px 32px rgba(0,0,0,0.08);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
    --border: rgba(0,0,0,0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
    position: fixed; top: 0; width: 100%; z-index: 100;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem; height: 60px;
    display: flex; align-items: center; justify-content: space-between;
    transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: var(--shadow-sm); }

.nav-brand {
    font-size: 1.4rem; font-weight: 800; letter-spacing: -0.02em;
    background: var(--gradient-accent);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text-primary); }

.nav-cta {
    background: var(--gradient-accent); color: #fff !important;
    padding: 0.5rem 1.4rem; border-radius: 25px; font-weight: 600;
    -webkit-text-fill-color: #fff !important; transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(76,175,80,0.3); }

/* HERO */
.hero {
    min-height: 100vh; display: flex; flex-direction: column;
    align-items: center; justify-content: center; text-align: center;
    padding: 8rem 2rem 4rem; background: var(--gradient-hero);
    position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: 10%; right: -10%;
    width: 600px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(76,175,80,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.hero::after {
    content: ''; position: absolute; bottom: 10%; left: -5%;
    width: 400px; height: 400px; border-radius: 50%;
    background: radial-gradient(circle, rgba(24,188,242,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(76,175,80,0.1); border: 1px solid rgba(76,175,80,0.2);
    color: var(--accent-green); padding: 0.5rem 1.2rem; border-radius: 25px;
    font-size: 0.85rem; font-weight: 600; margin-bottom: 2rem;
}

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 4.5rem); font-weight: 800;
    line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 1.5rem; max-width: 750px;
}
.hero h1 .gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero p { font-size: 1.2rem; color: var(--text-secondary); max-width: 560px; margin-bottom: 2.5rem; line-height: 1.7; }

.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.btn-primary {
    background: var(--gradient-accent); color: #fff;
    padding: 0.9rem 2.2rem; border-radius: 14px; font-size: 1rem;
    font-weight: 600; text-decoration: none; border: none; cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(76,175,80,0.25); }

.btn-secondary {
    background: #fff; color: var(--text-primary);
    padding: 0.9rem 2.2rem; border-radius: 14px; font-size: 1rem;
    font-weight: 600; text-decoration: none; border: 1px solid var(--border);
    transition: background 0.2s, box-shadow 0.2s;
}
.btn-secondary:hover { background: var(--bg-secondary); box-shadow: var(--shadow-sm); }

/* DASHBOARD PREVIEW */
.hero-preview {
    margin-top: 4rem; width: 100%; max-width: 900px;
    background: var(--bg-card); border-radius: var(--radius);
    border: 1px solid var(--border); padding: 1.5rem; box-shadow: var(--shadow-lg);
}
.dashboard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.dash-item {
    background: var(--bg-secondary); border-radius: var(--radius-sm);
    padding: 1.2rem; text-align: center; border: 1px solid var(--border);
    transition: border-color 0.3s, box-shadow 0.3s;
}
.dash-item:hover { border-color: var(--accent-green); box-shadow: 0 4px 16px rgba(76,175,80,0.1); }
.dash-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.dash-label { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 0.3rem; }
.dash-value { font-size: 1.3rem; font-weight: 700; color: var(--accent-green); }

/* SECTIONS */
section { padding: 6rem 2rem; max-width: 1200px; margin: 0 auto; }
.section-alt { background: var(--bg-secondary); max-width: 100%; }
.section-alt > .container { max-width: 1200px; margin: 0 auto; padding: 6rem 2rem; }

.section-label {
    display: inline-block; font-size: 0.8rem; font-weight: 700;
    color: var(--accent-green); text-transform: uppercase;
    letter-spacing: 0.12em; margin-bottom: 0.8rem;
}
.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800;
    letter-spacing: -0.02em; margin-bottom: 1rem; line-height: 1.1;
}
.section-subtitle {
    font-size: 1.1rem; color: var(--text-secondary);
    max-width: 600px; line-height: 1.7; margin-bottom: 3rem;
}

/* FEATURES GRID */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.feature-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.feature-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; margin-bottom: 1.2rem;
}
.icon-blue { background: rgba(24,188,242,0.1); }
.icon-green { background: rgba(76,175,80,0.1); }
.icon-teal { background: rgba(38,166,154,0.1); }
.icon-leaf { background: rgba(102,187,106,0.1); }
.icon-orange { background: rgba(255,167,38,0.1); }
.icon-red { background: rgba(239,83,80,0.1); }
.icon-purple { background: rgba(171,71,188,0.1); }

.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.feature-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }

/* STATS BAR */
.stats-bar {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
    padding: 4rem 2rem; max-width: 1200px; margin: 0 auto; text-align: center;
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.stat-number {
    font-size: 2.5rem; font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.3rem; }

/* SHOWCASE */
.showcase-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
    align-items: center; margin-bottom: 5rem;
}
.showcase-row.reverse { direction: rtl; }
.showcase-row.reverse > * { direction: ltr; }
.showcase-visual {
    background: var(--gradient-soft); border-radius: var(--radius);
    padding: 3rem; text-align: center; border: 1px solid var(--border);
}
.showcase-visual .big-icon { font-size: 4rem; margin-bottom: 1rem; }
.showcase-visual .mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-top: 1rem; }
.showcase-visual .mini-item {
    background: rgba(255,255,255,0.8); border-radius: 10px; padding: 0.8rem;
    font-size: 0.8rem; text-align: center; border: 1px solid var(--border);
}
.showcase-visual .mini-value { font-weight: 700; color: var(--accent-green); font-size: 1rem; }

.showcase-content .badge-label {
    display: inline-block; font-size: 0.75rem; font-weight: 700;
    padding: 0.3rem 0.8rem; border-radius: 6px; margin-bottom: 1rem;
    text-transform: uppercase; letter-spacing: 0.05em;
}
.badge-green { background: rgba(76,175,80,0.1); color: var(--accent-green); }
.badge-blue { background: rgba(24,188,242,0.1); color: var(--accent-blue); }
.badge-red { background: rgba(239,83,80,0.1); color: #EF5350; }
.badge-purple { background: rgba(171,71,188,0.1); color: #AB47BC; }
.badge-orange { background: rgba(255,167,38,0.1); color: #FFA726; }

.showcase-content h3 { font-size: 1.6rem; font-weight: 800; margin-bottom: 0.8rem; letter-spacing: -0.01em; }
.showcase-content p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 1rem; }
.showcase-content ul { list-style: none; padding: 0; }
.showcase-content ul li {
    padding: 0.4rem 0; color: var(--text-secondary); font-size: 0.95rem;
    display: flex; align-items: flex-start; gap: 0.5rem;
}
.showcase-content ul li::before { content: ✓; color: var(--accent-green); font-weight: 700; }

/* COMPARISON */
.comparison {
    background: var(--bg-card); border-radius: var(--radius);
    overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.comparison table { width: 100%; border-collapse: collapse; }
.comparison th, .comparison td { padding: 1rem 1.5rem; text-align: left; border-bottom: 1px solid var(--border); }
.comparison th { background: var(--bg-secondary); font-weight: 600; color: var(--text-secondary); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }
.comparison td:first-child { font-weight: 500; }
.check { color: var(--accent-green); font-weight: 600; }
.cross { color: #EF5350; }

/* PRICING */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.pricing-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 2.5rem 2rem; text-align: center;
    transition: transform 0.3s, box-shadow 0.3s; position: relative;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pricing-card.featured { border: 2px solid var(--accent-green); }
.pricing-card.featured::before {
    content: 'Recommandé'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--gradient-accent); color: #fff; font-size: 0.75rem; font-weight: 700;
    padding: 0.3rem 1rem; border-radius: 20px;
}
.pricing-card h4 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.3rem; }
.pricing-card .price-desc { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1.5rem; }
.pricing-card ul { list-style: none; padding: 0; text-align: left; margin-bottom: 1.5rem; }
.pricing-card ul li { padding: 0.4rem 0; color: var(--text-secondary); font-size: 0.9rem; }

/* CTA */
.cta-section {
    text-align: center; padding: 6rem 2rem;
    background: var(--gradient-hero); position: relative;
}
.cta-section h2 { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 1rem; }
.cta-section p { color: var(--text-secondary); font-size: 1.1rem; max-width: 500px; margin: 0 auto 2rem; }

/* FOOTER */
footer {
    padding: 3rem 2rem; text-align: center; color: var(--text-secondary);
    font-size: 0.85rem; border-top: 1px solid var(--border); background: var(--bg-secondary);
}
footer a { color: var(--accent-green); text-decoration: none; }

/* ANIMATIONS */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-scale.visible { opacity: 1; transform: scale(1); }
.stagger > * { opacity: 0; transform: translateY(30px); transition: opacity 0.5s ease, transform 0.5s ease; }
.stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.08s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.16s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.24s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.32s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.4s; }
.stagger.visible > * { opacity: 1; transform: translateY(0); }

nav.scrolled { background: rgba(255,255,255,0.95); }

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .showcase-row, .showcase-row.reverse { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .hero { padding: 6rem 1.5rem 3rem; }
    section { padding: 4rem 1.5rem; }
}