/* assets/css/home.css — Venostra Landing Page Premium */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --bg:       #0D1117;
    --surface:  #161B27;
    --primary:  #10B981;
    --blue:     #3B82F6;
    --purple:   #8B5CF6;
    --text:     #F1F5F9;
    --muted:    #94A3B8;
    --border:   rgba(255,255,255,0.07);
    --glass:    rgba(255,255,255,0.03);
    --grad:     linear-gradient(135deg, #10B981 0%, #3B82F6 100%);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ─── NOISE + GRADIENT BG ─── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 80% -10%, rgba(16,185,129,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 10% 80%, rgba(59,130,246,0.07) 0%, transparent 60%),
        radial-gradient(ellipse 40% 30% at 50% 50%, rgba(139,92,246,0.04) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* ─── NAV ─── */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 16px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(13,17,23,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: background 0.3s;
}

.logo {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: -1.5px;
    text-decoration: none;
    color: var(--text);
}
.logo span {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}
.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* ─── BOTÕES ─── */
.btn-primary {
    background: var(--grad);
    color: white;
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: transform 0.25s, box-shadow 0.25s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(16,185,129,0.35);
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-outline:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.2); }

/* nav-links button alias */
.btn-hub { background: var(--grad); color: white; padding: 10px 22px; border-radius: 10px; text-decoration: none; font-weight: 700; font-size: 0.85rem; transition: transform 0.2s, box-shadow 0.2s; }
.btn-hub:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(16,185,129,0.3); color: white !important; }

/* ─── SECTIONS SHARED ─── */
section { padding: 100px 8%; }

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.2);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 20px;
}
.section-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 16px;
}
.section-title span { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-sub { color: var(--muted); font-size: 1.05rem; max-width: 580px; margin-bottom: 60px; }

/* ─── HERO ─── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 130px 8% 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.18);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 30px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); animation: pulse 2s infinite; }

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2.5px;
    margin-bottom: 24px;
    max-width: 900px;
}
.hero h1 span { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 1.2rem; color: var(--muted); max-width: 640px; margin: 0 auto 44px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    margin-top: 72px;
    flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num { font-size: 2.2rem; font-weight: 900; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; display: block; }
.stat-label { color: var(--muted); font-size: 0.8rem; font-weight: 600; }

/* ─── FEATURES ─── */
#features {
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.01), transparent);
}
.features-header { text-align: center; }
.features-header .section-sub { margin: 0 auto 60px; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.feat-card {
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 36px 32px;
    border-radius: 20px;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.2);
    position: relative;
    overflow: hidden;
}
.feat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad);
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 20px;
}
.feat-card:hover { transform: translateY(-8px); border-color: rgba(16,185,129,0.25); box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
.feat-card:hover::before { opacity: 0.04; }
.feat-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
}
.feat-icon.blue { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.2); }
.feat-icon.purple { background: rgba(139,92,246,0.1); border-color: rgba(139,92,246,0.2); }
.feat-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.feat-card p { color: var(--muted); font-size: 0.88rem; line-height: 1.6; }

/* ─── DIFERENCIAIS ─── */
#diferenciais {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 100px 8%;
}
.dif-list { margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.dif-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.2s;
}
.dif-item:hover { border-color: rgba(16,185,129,0.2); background: rgba(16,185,129,0.04); }
.dif-check {
    width: 38px;
    height: 38px;
    min-width: 38px;
    border-radius: 10px;
    background: rgba(16,185,129,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1rem;
}
.dif-item strong { font-size: 0.95rem; display: block; margin-bottom: 4px; }
.dif-item p { color: var(--muted); font-size: 0.82rem; }
.dif-visual {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}
.dif-visual-icon { font-size: 5rem; }
.dif-metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; width: 100%; }
.metric-box {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    text-align: center;
}
.metric-val { font-size: 1.8rem; font-weight: 900; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; display: block; }
.metric-label { color: var(--muted); font-size: 0.72rem; font-weight: 600; }

/* ─── TECH TABLE ─── */
#tech {
    text-align: center;
    padding: 80px 8%;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.tech-grid {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}
.tech-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 14px 24px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.2s;
}
.tech-item:hover { border-color: rgba(16,185,129,0.25); background: rgba(16,185,129,0.05); transform: translateY(-3px); }
.tech-item span { font-size: 1.4rem; }

/* ─── CTA FINAL ─── */
#cta {
    text-align: center;
    padding: 100px 8%;
}
.cta-box {
    background: linear-gradient(135deg, rgba(16,185,129,0.08) 0%, rgba(59,130,246,0.08) 100%);
    border: 1px solid rgba(16,185,129,0.18);
    border-radius: 32px;
    padding: 80px 40px;
    max-width: 760px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.cta-box::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16,185,129,0.12), transparent 70%);
    z-index: 0;
}
.cta-box > * { position: relative; z-index: 1; }
.cta-box h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 900; letter-spacing: -1px; margin-bottom: 14px; }
.cta-box h2 span { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.cta-box p { color: var(--muted); font-size: 1rem; margin-bottom: 36px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ─── FOOTER ─── */
footer {
    padding: 60px 8% 40px;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 24px;
}
.footer-left p { color: var(--muted); font-size: 0.82rem; margin-top: 8px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 0.82rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.copy { color: rgba(100, 116, 139, 0.6); font-size: 0.78rem; margin-top: 30px; text-align: center; grid-column: 1 / -1; }

/* ─── ANIMAÇÕES ─── */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; animation: fadeUp 0.9s ease forwards; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
    #diferenciais { grid-template-columns: 1fr; }
    .dif-visual { display: none; }
    nav { padding: 14px 5%; }
    section { padding: 70px 5%; }
    footer { grid-template-columns: 1fr; text-align: center; }
    .footer-links { justify-content: center; }
}
@media (max-width: 600px) {
    .hero h1 { letter-spacing: -1px; }
    .hero-stats { gap: 28px; }
    .hero-cta { flex-direction: column; align-items: center; }
}