:root {
    --bg-dark: #060A18;
    --bg-surface: #0D1428;
    --surface-glass: rgba(13, 20, 40, 0.6);
    --border-glass: rgba(255, 255, 255, 0.1);

    --primary-color: #0EA5E9;
    --secondary-color: #6366F1;
    --accent-color: #00E4B1;
    --danger-color: #F43F5E;
    --gold-color: #F59E0B;

    --gradient-primary: linear-gradient(135deg, #0EA5E9, #6366F1);
    --gradient-teal: linear-gradient(135deg, #00E4B1, #0EA5E9);
    --gradient-danger: linear-gradient(135deg, #F43F5E, #FB923C);

    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.glass {
    background: var(--surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
}

.glass-border {
    padding: 8px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0));
    border: 1px solid var(--border-glass);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

/* ── BADGE ── */
.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0,228,177,0.15);
    color: var(--accent-color);
    border: 1px solid rgba(0,228,177,0.3);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
}

h2 { font-size: 3rem; line-height: 1.1; margin-bottom: 24px; }
h2 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 30px; }

/* ── BUTTONS ── */
.btn {
    display: inline-block; padding: 12px 28px; border-radius: 8px;
    font-weight: 600; text-decoration: none; transition: var(--transition);
    border: none; cursor: pointer; text-align: center;
}
.btn-primary {
    background: var(--gradient-primary); color: white;
    box-shadow: 0 10px 20px rgba(14,165,233,0.3);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 25px rgba(14,165,233,0.4); }
.btn-secondary { background: #fff; color: var(--bg-dark); }
.btn-secondary:hover { background: #e2e8f0; transform: translateY(-3px); }
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }

/* ── NAV ── */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
    padding: 14px 0; border-bottom: 1px solid var(--border-glass);
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.nav-links {
    list-style: none; display: flex; align-items: center; gap: 28px;
}
.nav-links li a {
    color: var(--text-primary); text-decoration: none;
    font-size: 0.92rem; font-weight: 600; transition: color 0.3s ease;
}
.nav-links li a:hover { color: var(--primary-color); }
.nav-links .btn { color: white; }

/* ── HERO ── */
.hero {
    position: relative; padding: 140px 0 80px;
    min-height: 60vh; display: flex; align-items: center; overflow: hidden;
}
.hero-centered { justify-content: center; }
.hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; }
.blob {
    position: absolute; filter: blur(110px); border-radius: 50%;
    opacity: 0.4; animation: float 22s infinite alternate linear;
}
.blob-1 { top: -10%; right: -5%; width: 550px; height: 550px; background: #0EA5E9; }
.blob-2 { bottom: -15%; left: -10%; width: 600px; height: 600px; background: #6366F1; animation-delay: -6s; }
.blob-3 { top: 50%; right: 25%; width: 300px; height: 300px; background: var(--accent-color); opacity: 0.15; animation-delay: -12s; }

@keyframes float {
    0% { transform: translate(0,0) scale(1); }
    100% { transform: translate(-50px,50px) scale(1.1); }
}

.hero-content { display: flex; align-items: center; gap: 60px; }
.hero-text { flex: 1; max-width: 580px; }
.hero-visual { flex: 1; position: relative; }

/* ── HERO VISUAL — IMPACT CARD ── */
.hero-impact-card {
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(20px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}
.hero-impact-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-primary);
}

.impact-label {
    font-size: 0.8rem; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; color: var(--accent-color);
    margin-bottom: 28px; display: block;
}

/* ── BAR CHART ── */
.bar-chart {
    display: flex; gap: 32px; align-items: flex-end;
    height: 180px; padding-bottom: 0;
}
.bar-group {
    display: flex; flex-direction: column; align-items: center; gap: 10px; flex: 1;
}
.bar-wrapper {
    flex: 1; width: 100%; display: flex; align-items: flex-end;
    position: relative; max-height: 150px;
}
.bar {
    width: 100%; border-radius: 8px 8px 0 0;
    position: relative; transition: height 1.5s cubic-bezier(0.25, 1, 0.5, 1);
    display: flex; align-items: flex-start; justify-content: center; padding-top: 10px;
}
.bar.bar-before {
    background: linear-gradient(180deg, rgba(148,163,184,0.4), rgba(148,163,184,0.2));
    height: 90px;
    border: 1px solid rgba(148,163,184,0.3);
}
.bar.bar-after {
    background: var(--gradient-primary);
    height: 135px;
    box-shadow: 0 0 30px rgba(14,165,233,0.4);
}
.bar-pct {
    font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800;
    color: white;
}
.bar.bar-before .bar-pct { color: var(--text-secondary); }
.bar-axis { display: flex; width: 100%; }
.bar-axis-line {
    flex: 1; height: 1px; background: rgba(255,255,255,0.1); margin-bottom: 0;
}
.bar-label {
    font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
    text-align: center;
}
.bar.bar-after .bar-label { color: var(--primary-color); }

.chart-footer {
    margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border-glass);
    display: flex; align-items: center; gap: 10px;
}
.chart-delta {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(0,228,177,0.15); border: 1px solid rgba(0,228,177,0.3);
    border-radius: 20px; padding: 4px 12px;
    font-size: 0.85rem; font-weight: 700; color: var(--accent-color);
}
.chart-footer p {
    font-size: 0.85rem; margin-bottom: 0; color: var(--text-secondary);
}

/* ── MINI STATS ROW ── */
.mini-stats {
    display: flex; gap: 16px; margin-top: 20px;
}
.mini-stat {
    flex: 1; background: rgba(14,165,233,0.06);
    border: 1px solid rgba(14,165,233,0.2);
    border-radius: 12px; padding: 16px 14px; text-align: center;
}
.mini-stat-value {
    font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    display: block; line-height: 1;
}
.mini-stat-label {
    font-size: 0.72rem; color: var(--text-secondary); margin-top: 4px; display: block;
    line-height: 1.3; font-weight: 500;
}

/* ── PROBLEM SECTION ── */
.problem-section { padding: 80px 0 100px; position: relative; }

.section-title { text-align: center; max-width: 760px; margin: 0 auto 70px; }
.section-title h2 { font-size: 2.6rem; margin-bottom: 20px; }
.section-title h2 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.problem-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 24px; max-width: 880px; margin: 0 auto;
}

.problem-card {
    background: var(--surface-glass);
    border: 1px solid rgba(244, 63, 94, 0.2);
    border-radius: 20px; padding: 36px 32px;
    transition: var(--transition); position: relative; overflow: hidden;
}
.problem-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gradient-danger); opacity: 0.6;
}
.problem-card:hover {
    transform: translateY(-6px);
    border-color: rgba(244, 63, 94, 0.4);
    box-shadow: 0 20px 40px rgba(244,63,94,0.1);
}
.problem-icon {
    width: 52px; height: 52px;
    background: rgba(244,63,94,0.1);
    border: 1px solid rgba(244,63,94,0.3);
    border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--danger-color); margin-bottom: 20px;
}
.problem-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.problem-card p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 0; }

/* ── SOLUTION SECTION ── */
.solution-section { padding: 80px 0 100px; }

.feature-row {
    display: flex; align-items: center; gap: 80px; margin-bottom: 110px;
}
.feature-row.row-reverse { flex-direction: row-reverse; }
.feature-text { flex: 1; max-width: 500px; }
.feature-visual { flex: 1; }

.icon-box {
    width: 52px; height: 52px;
    background: rgba(14,165,233,0.1);
    color: var(--primary-color);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; margin-bottom: 24px;
    border: 1px solid rgba(14,165,233,0.3);
}
.icon-box.purple { background: rgba(99,102,241,0.1); color: #818CF8; border-color: rgba(99,102,241,0.3); }
.icon-box.teal   { background: rgba(0,228,177,0.1); color: var(--accent-color); border-color: rgba(0,228,177,0.3); }
.icon-box.gold   { background: rgba(245,158,11,0.1); color: var(--gold-color); border-color: rgba(245,158,11,0.3); }

.feature-text h3 { font-size: 1.9rem; margin-bottom: 20px; }

.check-list { list-style: none; margin-top: 30px; }
.check-list li {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 15px; color: var(--text-primary); font-weight: 600;
}
.check-list i { color: var(--accent-color); font-size: 1.1rem; flex-shrink: 0; }

/* ── VISUAL: WORKFLOW DIAGRAM ── */
.workflow-diagram {
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px; padding: 36px 28px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}
.workflow-title {
    font-size: 0.75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
    color: var(--text-secondary); margin-bottom: 28px;
}
.workflow-steps {
    display: flex; flex-direction: column; gap: 0;
}
.workflow-step {
    display: flex; align-items: center; gap: 16px; padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.workflow-step:last-child { border-bottom: none; }
.wf-num {
    width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
    background: var(--gradient-primary); display: flex; align-items: center;
    justify-content: center; font-size: 0.8rem; font-weight: 700; color: white;
}
.wf-text { flex: 1; }
.wf-text strong { font-size: 0.92rem; display: block; margin-bottom: 2px; }
.wf-text span { font-size: 0.8rem; color: var(--text-secondary); }
.wf-status {
    padding: 3px 10px; border-radius: 20px; font-size: 0.72rem; font-weight: 700;
}
.status-ok { background: rgba(0,228,177,0.15); color: var(--accent-color); }
.status-ai { background: rgba(99,102,241,0.15); color: #818CF8; }
.status-bill { background: rgba(14,165,233,0.15); color: var(--primary-color); }

/* ── VISUAL: INTEGRATION MAP ── */
.integration-map {
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px; padding: 36px 28px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    text-align: center;
}
.integration-center {
    display: inline-flex; align-items: center; justify-content: center;
    width: 80px; height: 80px; border-radius: 50%;
    background: var(--gradient-primary);
    font-size: 1.8rem; color: white; margin: 0 auto 28px;
    box-shadow: 0 0 40px rgba(14,165,233,0.4);
}
.integration-nodes {
    display: flex; justify-content: center; gap: 16px;
}
.int-node {
    flex: 1; max-width: 130px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-glass);
    border-radius: 14px; padding: 18px 12px;
    transition: var(--transition);
}
.int-node:hover { transform: translateY(-4px); border-color: rgba(14,165,233,0.3); }
.int-node i { font-size: 1.6rem; margin-bottom: 10px; display: block; }
.int-node span { font-size: 0.8rem; font-weight: 600; display: block; margin-bottom: 4px; }
.int-node small { font-size: 0.72rem; color: var(--text-secondary); }
.node-agenda i { color: #0EA5E9; }
.node-clinica i { color: #6366F1; }
.node-fat i { color: #00E4B1; }
.connector-lines {
    display: flex; justify-content: center; gap: 56px;
    margin: -6px 0; position: relative;
}
.connector-lines::before {
    content: '';
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 1px; height: 20px; background: var(--primary-color); opacity: 0.4;
}
.conn-line {
    width: 1px; height: 24px;
    background: linear-gradient(180deg, rgba(14,165,233,0.5), transparent);
}

/* ── VISUAL: AI TRACE CARD ── */
.ai-trace-card {
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px; padding: 28px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}
.ai-header {
    display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
}
.ai-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-color);
    animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }
.ai-header span { font-size: 0.8rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent-color); }
.ai-events {
    display: flex; flex-direction: column; gap: 12px;
}
.ai-event {
    display: flex; gap: 14px; align-items: flex-start;
}
.ai-event-time {
    font-size: 0.72rem; color: var(--text-secondary); white-space: nowrap;
    padding-top: 2px; min-width: 50px;
}
.ai-event-body {
    background: rgba(255,255,255,0.04); border-radius: 8px;
    padding: 10px 14px; flex: 1; border-left: 2px solid transparent;
}
.ai-event-body.evt-ok { border-color: var(--accent-color); }
.ai-event-body.evt-warn { border-color: var(--gold-color); }
.ai-event-body.evt-ai { border-color: #818CF8; }
.ai-event-body strong { font-size: 0.85rem; display: block; margin-bottom: 2px; }
.ai-event-body span { font-size: 0.75rem; color: var(--text-secondary); }

/* ── VISUAL: RESULT DASHBOARD ── */
.result-dashboard {
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px; padding: 28px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}
.rd-header {
    display: flex; align-items: center; gap: 10px; margin-bottom: 28px;
}
.rd-dot { width: 10px; height: 10px; border-radius: 50%; }
.rd-dot-r { background: #F43F5E; }
.rd-dot-y { background: #F59E0B; }
.rd-dot-g { background: #10B981; }
.rd-title { font-size: 0.78rem; color: var(--text-secondary); margin-left: 6px; }
.rd-metrics {
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.rd-metric {
    background: rgba(255,255,255,0.04); border-radius: 12px; padding: 18px 16px;
    border: 1px solid rgba(255,255,255,0.06);
}
.rd-metric-value {
    font-family: var(--font-heading); font-size: 2rem; font-weight: 800;
    display: block; line-height: 1;
}
.rd-metric-value.blue { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.rd-metric-value.teal { background: var(--gradient-teal); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.rd-metric-label { font-size: 0.78rem; color: var(--text-secondary); margin-top: 6px; display: block; }

/* ── DIFFERENTIALS SECTION ── */
.differentials-section { padding: 80px 0 100px; }

.diff-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 24px; margin-top: 60px;
}
.diff-card {
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px; padding: 36px 32px;
    transition: var(--transition); position: relative; overflow: hidden;
}
.diff-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gradient-primary); transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s ease;
}
.diff-card:hover::before { transform: scaleX(1); }
.diff-card:hover {
    transform: translateY(-6px);
    border-color: rgba(14,165,233,0.3);
    box-shadow: 0 20px 40px rgba(14,165,233,0.08);
}
.diff-card .icon-box { margin-bottom: 20px; }
.diff-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.diff-card p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 0; }

/* ── IMPACT SECTION ── */
.impact-section {
    padding: 80px 0 100px;
    background: linear-gradient(180deg, transparent, rgba(14,165,233,0.04), transparent);
}
.impact-grid {
    display: flex; gap: 60px; align-items: center;
}
.impact-left { flex: 1; }
.impact-right { flex: 1; }

.big-chart {
    background: var(--surface-glass); border: 1px solid var(--border-glass);
    border-radius: 24px; padding: 40px 36px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}
.bc-title {
    font-size: 0.78rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
    color: var(--text-secondary); margin-bottom: 32px; display: block;
}
.bc-bars {
    display: flex; gap: 40px; align-items: flex-end; height: 220px;
}
.bc-bar-group {
    display: flex; flex-direction: column; align-items: center; gap: 12px; flex: 1;
}
.bc-bar-wrap {
    width: 100%; flex: 1; display: flex; align-items: flex-end;
    max-height: 180px;
}
.bc-bar {
    width: 100%; border-radius: 10px 10px 0 0; position: relative;
    display: flex; align-items: flex-start; justify-content: center; padding-top: 12px;
    transition: height 2s cubic-bezier(0.25, 1, 0.5, 1);
}
.bc-bar.before {
    height: 108px; /* 60% of 180 */
    background: linear-gradient(180deg, rgba(148,163,184,0.35), rgba(148,163,184,0.1));
    border: 1px solid rgba(148,163,184,0.25);
}
.bc-bar.after {
    height: 162px; /* 90% of 180 */
    background: var(--gradient-primary);
    box-shadow: 0 0 40px rgba(14,165,233,0.35), 0 0 80px rgba(99,102,241,0.2);
}
.bc-pct {
    font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; color: white;
}
.bc-bar.before .bc-pct { color: var(--text-secondary); }
.bc-label {
    font-size: 0.9rem; font-weight: 600; color: var(--text-secondary); text-align: center;
}
.bc-axis { height: 1px; background: rgba(255,255,255,0.08); width: 100%; }

.bc-delta {
    margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border-glass);
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.delta-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(0,228,177,0.12); border: 1px solid rgba(0,228,177,0.3);
    border-radius: 20px; padding: 5px 14px;
    font-size: 0.9rem; font-weight: 700; color: var(--accent-color);
}
.bc-delta p { font-size: 0.88rem; margin-bottom: 0; color: var(--text-secondary); }

.impact-stats { display: flex; flex-direction: column; gap: 20px; }
.impact-stat {
    display: flex; align-items: center; gap: 24px;
    background: var(--surface-glass); border: 1px solid var(--border-glass);
    border-radius: 16px; padding: 24px 28px;
    transition: var(--transition);
}
.impact-stat:hover {
    border-color: rgba(14,165,233,0.3);
    transform: translateX(6px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.impact-stat-icon {
    width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
}
.stat-icon-blue { background: rgba(14,165,233,0.1); color: var(--primary-color); border: 1px solid rgba(14,165,233,0.3); }
.stat-icon-teal { background: rgba(0,228,177,0.1); color: var(--accent-color); border: 1px solid rgba(0,228,177,0.3); }
.stat-icon-purple { background: rgba(99,102,241,0.1); color: #818CF8; border: 1px solid rgba(99,102,241,0.3); }
.impact-stat-text strong {
    font-family: var(--font-heading); font-size: 1.9rem; font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    display: block; line-height: 1;
}
.impact-stat-text span { font-size: 0.88rem; color: var(--text-secondary); margin-top: 4px; display: block; }

/* ── CTA ── */
.cta-section { padding: 80px 0 100px; }
.cta-box {
    text-align: center; padding: 80px 40px; border-radius: 24px;
    position: relative; overflow: hidden;
}
.cta-box::before {
    content: ''; position: absolute; inset: 0;
    background: var(--gradient-primary); opacity: 0.07; z-index: -1;
}
.cta-box h2 { font-size: 2.8rem; margin-bottom: 20px; }
.cta-box p  { max-width: 600px; margin: 0 auto 40px; font-size: 1.2rem; }

/* ── FOOTER ── */
footer { padding: 40px 0; border-top: 1px solid var(--border-glass); }
.footer-content { display: flex; justify-content: space-between; align-items: center; }
.footer-content p { margin-bottom: 0; font-size: 0.9rem; }

/* ── SECTION DIVIDER ── */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(14,165,233,0.3), transparent);
    margin: 0 0 100px;
}

/* ── ANIMATIONS ── */
.fade-in-up, .slide-in-left, .slide-in-right {
    opacity: 0; transition: all 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.fade-in-up    { transform: translateY(40px); }
.slide-in-left { transform: translateX(-40px); }
.slide-in-right{ transform: translateX(40px); }
.in-view { opacity: 1; transform: translate(0,0); }
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.30s; }
.delay-3 { transition-delay: 0.45s; }

/* ── MODAL ── */
.modal {
    display: none; position: fixed; z-index: 1000;
    inset: 0; background: rgba(6,10,24,0.92);
    backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s ease;
}
.modal.show { opacity: 1; }
.close-modal {
    position: absolute; top: 28px; right: 36px;
    color: #fff; font-size: 38px; font-weight: bold; cursor: pointer;
    z-index: 1001; width: 42px; height: 42px; display: flex;
    align-items: center; justify-content: center;
    background: rgba(255,255,255,0.1); border-radius: 50%;
    transition: all 0.3s ease;
}
.close-modal:hover { color: var(--accent-color); background: rgba(255,255,255,0.2); }

/* ── RESPONSIVE ── */
@media (max-width: 992px) {
    .hero-content { flex-direction: column; text-align: center; padding-top: 40px; }
    .hero-text { max-width: 100%; }
    .badge { margin: 0 auto 24px; }
    h2 { font-size: 2.3rem; }
    .feature-row, .feature-row.row-reverse { flex-direction: column; text-align: center; gap: 50px; }
    .feature-text { max-width: 100%; display: flex; flex-direction: column; align-items: center; }
    .check-list li { justify-content: flex-start; text-align: left; }
    .problem-grid { grid-template-columns: 1fr; }
    .diff-grid { grid-template-columns: 1fr; }
    .impact-grid { flex-direction: column; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    h2 { font-size: 1.9rem; }
    .cta-box h2 { font-size: 1.9rem; }
    .footer-content { flex-direction: column; gap: 20px; }
    .mini-stats { flex-direction: column; }
    .close-modal { top: 14px; right: 14px; }
    .rd-metrics { grid-template-columns: 1fr; }
}