/* ═══════════════════════════════════════════
   LeadAI Finland — Real Estate Landing Page
   Professional blue/dark theme for B2B
   ═══════════════════════════════════════════ */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --accent: #10b981;
    --accent-red: #ef4444;
    --bg: #0a0e1a;
    --bg2: #0f1629;
    --bg3: #141c33;
    --card: #161e35;
    --card-border: #1e2a4a;
    --text: #e2e8f0;
    --text-dim: #8892b0;
    --white: #ffffff;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,.3);
}
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'Inter',system-ui,sans-serif; background:var(--bg); color:var(--text); line-height:1.7; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

/* Typography */
.section-label { text-transform:uppercase; letter-spacing:.14em; font-size:.78rem; font-weight:700; color:var(--primary-light); margin-bottom:12px; text-align:center; }
.section-title { font-size:clamp(1.8rem,4vw,2.8rem); font-weight:800; color:var(--white); text-align:center; margin-bottom:16px; line-height:1.2; }
.section-sub { text-align:center; max-width:640px; margin:0 auto 52px; color:var(--text-dim); font-size:1.05rem; }
.highlight { color:var(--primary-light); }

/* Buttons */
.btn { display:inline-flex; align-items:center; justify-content:center; font-weight:600; border-radius:var(--radius-sm); text-decoration:none; transition:all .25s; cursor:pointer; border:none; font-family:inherit; }
.btn-sm { padding:8px 20px; font-size:.85rem; }
.btn-lg { padding:14px 32px; font-size:1rem; }
.btn-xl { padding:18px 44px; font-size:1.1rem; border-radius:var(--radius); }
.btn-full { width:100%; padding:14px; font-size:1rem; }
.btn-primary { background:var(--primary); color:#fff; box-shadow:0 4px 16px rgba(37,99,235,.3); }
.btn-primary:hover { background:var(--primary-dark); transform:translateY(-2px); box-shadow:0 6px 24px rgba(37,99,235,.4); }
.btn-outline { background:transparent; color:var(--text); border:1px solid var(--card-border); }
.btn-outline:hover { border-color:var(--primary); color:#fff; }

/* Submit button */
.btn-submit { margin:0 auto; display:flex; }
.btn-submit:disabled { opacity:.6; cursor:not-allowed; transform:none; }

/* Navbar */
.navbar { position:fixed; top:0; left:0; right:0; z-index:100; padding:14px 0; transition:all .3s; }
.navbar.scrolled { background:rgba(10,14,26,.96); backdrop-filter:blur(16px); border-bottom:1px solid var(--card-border); padding:10px 0; }
.nav-flex { display:flex; align-items:center; justify-content:space-between; }
.logo { font-size:1.3rem; font-weight:800; color:#fff; text-decoration:none; }
.logo-accent { color:var(--primary-light); }
.logo-tag { font-size:.7rem; font-weight:500; color:var(--text-dim); vertical-align:top; margin-left:4px; }
.nav-links { display:flex; align-items:center; gap:28px; }
.nav-links a { color:var(--text-dim); text-decoration:none; font-size:.9rem; font-weight:500; transition:color .2s; }
.nav-links a:hover { color:#fff; }
.hamburger { display:none; background:none; border:none; cursor:pointer; flex-direction:column; gap:5px; }
.hamburger span { display:block; width:24px; height:2.5px; background:#fff; border-radius:3px; }

/* ── Hero ── */
.hero { padding:140px 0 100px; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-200px; right:-200px; width:600px; height:600px; background:radial-gradient(circle, rgba(37,99,235,.12), transparent 70%); pointer-events:none; }
.hero-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.badge { display:inline-block; padding:6px 16px; border-radius:50px; background:rgba(37,99,235,.1); border:1px solid rgba(37,99,235,.3); color:var(--primary-light); font-size:.8rem; font-weight:600; margin-bottom:20px; }
.hero h1 { font-size:clamp(2rem,4.5vw,3.2rem); font-weight:900; color:#fff; line-height:1.12; margin-bottom:20px; }
.hero-sub { font-size:1.1rem; color:var(--text-dim); margin-bottom:28px; max-width:500px; line-height:1.8; }
.hero-cta { display:flex; gap:14px; margin-bottom:32px; flex-wrap:wrap; }
.hero-proof { display:flex; align-items:center; gap:20px; flex-wrap:wrap; }
.proof-item { text-align:center; }
.proof-num { display:block; font-size:1.6rem; font-weight:800; color:#fff; display:inline; }
.proof-unit { font-size:1.2rem; font-weight:700; color:var(--primary-light); }
.proof-label { font-size:.78rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:.05em; display:block; }
.proof-divider { width:1px; height:40px; background:var(--card-border); }

/* Chat Mockup */
.chat-mockup { background:var(--bg3); border:1px solid var(--card-border); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.chat-header { display:flex; align-items:center; gap:12px; padding:16px 20px; background:var(--card); border-bottom:1px solid var(--card-border); }
.chat-avatar { width:36px; height:36px; border-radius:50%; background:var(--primary); display:flex; align-items:center; justify-content:center; font-weight:700; color:#fff; font-size:.8rem; }
.chat-header strong { display:block; color:#fff; font-size:.9rem; }
.chat-status { font-size:.75rem; color:var(--accent); display:flex; align-items:center; gap:6px; }
.status-dot { display:inline-block; width:8px; height:8px; border-radius:50%; background:var(--accent); animation:pulse-dot 1.5s infinite; }
@keyframes pulse-dot {
    0%,100% { opacity:1; box-shadow:0 0 0 0 rgba(16,185,129,.4); }
    50% { opacity:.7; box-shadow:0 0 0 6px rgba(16,185,129,0); }
}
.chat-body { padding:16px; display:flex; flex-direction:column; gap:10px; min-height:300px; max-height:400px; overflow-y:auto; }
.msg { max-width:85%; padding:10px 14px; border-radius:12px; font-size:.85rem; line-height:1.5; position:relative; }
.msg-in { background:var(--card); color:var(--text); align-self:flex-start; border-bottom-left-radius:4px; }
.msg-out { background:var(--primary); color:#fff; align-self:flex-end; border-bottom-right-radius:4px; }
.msg-time { display:block; font-size:.65rem; opacity:.5; margin-top:4px; text-align:right; }
.chat-tag { text-align:center; padding:8px; background:rgba(16,185,129,.1); border:1px solid rgba(16,185,129,.2); border-radius:50px; color:var(--accent); font-size:.78rem; font-weight:600; margin-top:4px; }

/* ── Problem ── */
.problem-section { padding:100px 0; background:var(--bg2); }
.problem-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.problem-card { background:var(--card); border:1px solid var(--card-border); border-radius:var(--radius); padding:32px; text-align:center; }
.problem-icon { width:48px; height:48px; border-radius:50%; background:rgba(239,68,68,.1); display:flex; align-items:center; justify-content:center; color:var(--accent-red); font-size:1.2rem; font-weight:800; margin:0 auto 16px; }
.problem-card h3 { font-size:1.1rem; font-weight:700; color:#fff; margin-bottom:8px; }
.problem-card p { color:var(--text-dim); font-size:.9rem; margin-bottom:16px; }
.problem-stat { padding:10px; background:rgba(239,68,68,.05); border-radius:var(--radius-sm); font-size:.85rem; color:var(--text-dim); }
.stat-bad { color:var(--accent-red); font-weight:800; font-size:1.1rem; }

/* ── Solution ── */
.solution-section { padding:100px 0; }
.solution-grid { display:flex; align-items:center; justify-content:center; gap:16px; }
.sol-card { background:var(--card); border:1px solid var(--card-border); border-radius:var(--radius); padding:32px; flex:1; max-width:320px; }
.sol-card.featured { border-color:var(--primary); background:linear-gradient(180deg, rgba(37,99,235,.08), var(--card)); }
.sol-step { width:44px; height:44px; border-radius:50%; background:var(--primary); display:flex; align-items:center; justify-content:center; font-size:1.1rem; font-weight:800; color:#fff; margin-bottom:16px; }
.sol-card h3 { font-size:1.05rem; font-weight:700; color:#fff; margin-bottom:8px; }
.sol-card p { color:var(--text-dim); font-size:.9rem; margin-bottom:16px; }
.sol-detail { display:flex; flex-direction:column; gap:4px; }
.sol-detail span { font-size:.82rem; color:var(--text-dim); }
.sol-detail span::before { content:""; display:inline-block; width:6px; height:6px; border-radius:50%; background:var(--primary-light); margin-right:8px; vertical-align:middle; }
.sol-arrow { color:var(--primary-light); flex-shrink:0; }

/* ── Results ── */
.results-section { padding:100px 0; background:var(--bg2); }
.results-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-bottom:48px; }
.result-card { background:var(--card); border:1px solid var(--card-border); border-radius:var(--radius); padding:28px; text-align:center; }
.result-num { display:block; font-size:2rem; font-weight:900; color:var(--primary-light); margin-bottom:4px; }
.result-label { display:block; font-size:.9rem; font-weight:700; color:#fff; margin-bottom:8px; }
.result-card p { font-size:.85rem; color:var(--text-dim); }

/* Comparison */
.compare-box { display:grid; grid-template-columns:1fr auto 1fr; gap:20px; align-items:center; padding:40px; background:var(--card); border:1px solid var(--card-border); border-radius:var(--radius); }
.compare-col h3 { font-size:1.1rem; font-weight:700; margin-bottom:16px; text-align:center; }
.compare-col.bad h3 { color:var(--accent-red); }
.compare-col.good h3 { color:var(--accent); }
.compare-col ul { list-style:none; }
.compare-col li { padding:8px 0; font-size:.9rem; color:var(--text-dim); border-bottom:1px solid rgba(255,255,255,.04); }
.compare-col.bad li::before { content:"X "; color:var(--accent-red); font-weight:700; }
.compare-col.good li::before { content:"+ "; color:var(--accent); font-weight:700; }
.compare-vs { font-size:1.4rem; font-weight:900; color:var(--text-dim); padding:0 12px; }

/* ── Pricing ── */
.pricing-section { padding:100px 0; }
.pricing-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:48px; }
.price-card { background:var(--card); border:1px solid var(--card-border); border-radius:var(--radius); padding:32px; position:relative; }
.price-card.popular { border-color:var(--primary); background:linear-gradient(180deg, rgba(37,99,235,.08), var(--card)); }
.popular-badge { position:absolute; top:-12px; left:50%; transform:translateX(-50%); padding:4px 16px; background:var(--primary); color:#fff; font-size:.75rem; font-weight:700; border-radius:50px; }
.price-card h3 { font-size:1.1rem; font-weight:700; color:#fff; margin-bottom:12px; }
.price { font-size:2.4rem; font-weight:900; color:#fff; }
.price span { font-size:.9rem; font-weight:500; color:var(--text-dim); }
.price-monthly { font-size:1rem; color:var(--primary-light); font-weight:600; margin-bottom:20px; }
.price-card ul { list-style:none; margin-bottom:24px; }
.price-card li { padding:8px 0; font-size:.88rem; color:var(--text-dim); border-bottom:1px solid rgba(255,255,255,.04); }
.price-card li::before { content:"+ "; color:var(--accent); font-weight:700; }

/* ── Contact Form / CTA ── */
.final-cta { padding:80px 0 100px; }
.cta-box { text-align:center; padding:60px 40px; background:linear-gradient(135deg, var(--bg3), rgba(37,99,235,.1)); border:1px solid rgba(37,99,235,.3); border-radius:20px; }
.cta-box h2 { font-size:clamp(1.6rem,3.5vw,2.4rem); font-weight:800; color:#fff; margin-bottom:12px; }
.cta-box p { color:var(--text-dim); font-size:1.05rem; max-width:520px; margin:0 auto 28px; }

.contact-form { max-width:600px; margin:0 auto; text-align:left; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
.form-group { display:flex; flex-direction:column; gap:6px; }
.form-group.full { margin-bottom:16px; }
.form-group label { font-size:.85rem; font-weight:600; color:var(--text); }
.form-group input,
.form-group textarea {
    width:100%;
    padding:12px 16px;
    background:var(--bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius-sm);
    color:var(--white);
    font-family:inherit;
    font-size:.95rem;
    transition:border-color .2s, box-shadow .2s;
    outline:none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color:var(--text-dim);
    opacity:.6;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(37,99,235,.15);
}
.form-group textarea { resize:vertical; min-height:80px; }

.form-perks {
    display:flex;
    justify-content:center;
    gap:24px;
    margin-top:16px;
    flex-wrap:wrap;
}
.form-perks span { font-size:.85rem; color:var(--text-dim); }
.form-perks span::before { content:"+ "; color:var(--accent); font-weight:700; }

/* ── Thank You Section ── */
.thankyou-section { padding:140px 0 100px; }
.thankyou-box {
    text-align:center;
    max-width:560px;
    margin:0 auto;
    padding:60px 40px;
    background:var(--card);
    border:1px solid var(--card-border);
    border-radius:var(--radius);
}
.thankyou-icon {
    width:80px;
    height:80px;
    border-radius:50%;
    background:var(--accent);
    color:#fff;
    font-size:2.4rem;
    font-weight:700;
    display:flex;
    align-items:center;
    justify-content:center;
    margin:0 auto 24px;
    box-shadow:0 0 30px rgba(16,185,129,.3);
}
.thankyou-box h2 { font-size:2rem; font-weight:800; color:#fff; margin-bottom:12px; }
.thankyou-box p { color:var(--text-dim); font-size:1.05rem; margin-bottom:28px; line-height:1.7; }

/* ── WhatsApp Floating Button ── */
.whatsapp-float {
    position:fixed;
    bottom:28px;
    right:28px;
    width:60px;
    height:60px;
    background:#25d366;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 4px 20px rgba(37,211,102,.4);
    z-index:99;
    transition:transform .25s, box-shadow .25s;
}
.whatsapp-float:hover {
    transform:scale(1.1);
    box-shadow:0 6px 28px rgba(37,211,102,.5);
}
.whatsapp-float svg { filter:drop-shadow(0 1px 2px rgba(0,0,0,.2)); }

/* ── Footer ── */
.footer { padding:48px 0 24px; border-top:1px solid var(--card-border); }
.footer-content {
    display:grid;
    grid-template-columns:2fr 1fr 1fr;
    gap:40px;
    margin-bottom:32px;
}
.footer-main .logo { margin-bottom:12px; display:inline-block; }
.footer-copy { color:var(--text-dim); font-size:.9rem; margin-top:8px; }
.footer-contact,
.footer-links { display:flex; flex-direction:column; gap:10px; }
.footer-contact h4,
.footer-links h4 { color:#fff; font-size:.95rem; font-weight:700; margin-bottom:4px; }
.footer-link {
    display:flex;
    align-items:center;
    gap:8px;
    color:var(--text-dim);
    text-decoration:none;
    font-size:.88rem;
    transition:color .2s;
}
.footer-link:hover { color:var(--primary-light); }
.footer-link svg { flex-shrink:0; }
.footer-links a {
    color:var(--text-dim);
    text-decoration:none;
    font-size:.88rem;
    transition:color .2s;
}
.footer-links a:hover { color:var(--primary-light); }
.footer-bottom {
    padding-top:20px;
    border-top:1px solid var(--card-border);
    text-align:center;
}
.footer-bottom p { color:var(--text-dim); font-size:.8rem; }

/* ── Scroll Animations ── */
.animate-on-scroll {
    opacity:0;
    transform:translateY(30px);
    transition:opacity .6s ease, transform .6s ease;
}
.animate-on-scroll.visible {
    opacity:1;
    transform:translateY(0);
}

/* Stagger animation delays for cards */
.problem-card.animate-on-scroll:nth-child(2) { transition-delay:.1s; }
.problem-card.animate-on-scroll:nth-child(3) { transition-delay:.2s; }
.result-card.animate-on-scroll:nth-child(2) { transition-delay:.1s; }
.result-card.animate-on-scroll:nth-child(3) { transition-delay:.2s; }
.result-card.animate-on-scroll:nth-child(4) { transition-delay:.3s; }
.price-card.animate-on-scroll:nth-child(2) { transition-delay:.1s; }
.price-card.animate-on-scroll:nth-child(3) { transition-delay:.2s; }

/* ── Responsive ── */
@media(max-width:900px) {
    .hero-grid { grid-template-columns:1fr; text-align:center; }
    .hero-sub { margin-left:auto; margin-right:auto; }
    .hero-cta,.hero-proof { justify-content:center; }
    .hero-visual { max-width:440px; margin:0 auto; }
    .problem-grid,.results-grid,.pricing-grid { grid-template-columns:1fr; max-width:480px; margin-left:auto; margin-right:auto; }
    .solution-grid { flex-direction:column; }
    .sol-arrow { transform:rotate(90deg); }
    .compare-box { grid-template-columns:1fr; text-align:center; }
    .compare-vs { padding:12px 0; }
    .form-row { grid-template-columns:1fr; }
    .footer-content { grid-template-columns:1fr; gap:28px; }
    .nav-links { display:none; position:fixed; top:56px; left:0; right:0; background:rgba(10,14,26,.98); flex-direction:column; padding:20px; gap:12px; border-bottom:1px solid var(--card-border); }
    .nav-links.open { display:flex; }
    .hamburger { display:flex; }
    .footer-flex { flex-direction:column; text-align:center; }
}
@media(max-width:480px) {
    .cta-box { padding:40px 20px; }
    .hero { padding:120px 0 60px; }
    .whatsapp-float { bottom:20px; right:20px; width:52px; height:52px; }
    .whatsapp-float svg { width:24px; height:24px; }
}