/* ---------------------------------------------------------------
   Easy KPI Cards Landing Page – Premium Design
   Dark gradient hero, glassmorphism, smooth animations
--------------------------------------------------------------- */

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-dark: #0f172a;
    --bg-dark-2: #1e293b;
    --bg-light: #f8fafc;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-dark: #1e293b;
    --text-dark-secondary: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --card-bg: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1,
h2,
h3 {
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-dark-secondary);
    margin-bottom: 48px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-download {
    background: linear-gradient(135deg, var(--accent), #1d4ed8);
    color: white;
    padding: 18px 40px;
    font-size: 1.125rem;
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-download:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px var(--accent-glow);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-2) 50%, #312e81 100%);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 1024 1024' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    mix-blend-mode: overlay;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 48px 24px;
    max-width: 800px;
}

.hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--accent);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-tagline {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 120px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #8b5cf6);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
    border-color: transparent;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--text-dark-secondary);
    line-height: 1.7;
}

.feature-card strong {
    color: var(--text-dark);
}

/* ===== DEMO SECTION ===== */
.demo-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, #e2e8f0 100%);
}

.demo-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.demo-frame {
    background: white;
    border-radius: 24px;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.05),
        var(--shadow);
    overflow: hidden;
    position: relative;
}

.demo-frame::before {
    content: '';
    display: block;
    padding-top: 45%;
}

.demo-frame iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ===== DOWNLOAD SECTION ===== */
.download-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.download-card {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    padding: 48px;
    text-align: center;
    box-shadow: var(--shadow);
}

.download-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
    text-align: left;
}

.step {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1rem;
    color: var(--text-dark);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent), #1d4ed8);
    color: white;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===== COMPACT VERSIONS ===== */
.hero-compact {
    min-height: 40vh;
}

.hero-compact .hero-icon {
    margin-bottom: 20px;
}

.hero-compact .hero-tagline {
    margin-bottom: 24px;
}

.features-compact {
    padding: 60px 0;
}

.features-compact .section-title {
    margin-bottom: 24px;
}

.demo-compact {
    padding: 60px 0;
}

.demo-compact .section-subtitle {
    margin-bottom: 24px;
}

.download-compact {
    padding: 60px 0;
}

.download-compact .section-subtitle {
    margin-bottom: 24px;
}

.download-compact .download-card {
    padding: 32px;
}

/* ===== PROBLEM SECTION ===== */
.problem-section {
    padding: 60px 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, #e2e8f0 100%);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.problem-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: white;
    border-radius: 12px;
    font-size: 0.9375rem;
    color: var(--text-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.problem-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.solution-callout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px 32px;
    background: linear-gradient(135deg, var(--accent), #1d4ed8);
    color: white;
    border-radius: 16px;
    font-size: 1.125rem;
    font-weight: 500;
    text-align: center;
    box-shadow: 0 8px 30px var(--accent-glow);
}

.solution-icon {
    font-size: 1.5rem;
}

.solution-callout-subtle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(59, 130, 246, 0.08);
    color: var(--text-dark);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
}

.solution-callout-subtle strong {
    color: var(--accent);
}

/* ===== HOW IT WORKS SECTION ===== */
.how-it-works-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.steps-horizontal {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 32px;
}

.step-item {
    text-align: center;
    padding: 24px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    width: 200px;
    flex-shrink: 0;
}

.step-number-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent), #1d4ed8);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 12px;
}

.step-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.step-item p {
    font-size: 0.875rem;
    color: var(--text-dark-secondary);
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--text-dark-secondary);
}

/* ===== DOWNLOAD SECTION UPDATED ===== */
.download-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.download-subtitle {
    font-size: 1rem;
    color: var(--text-dark-secondary);
    margin-bottom: 24px;
}

.download-compact .download-card {
    text-align: center;
}

/* ===== FOOTER SOCIAL ===== */
.footer-social {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    margin-left: 8px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social svg {
    display: block;
    position: relative;
    top: -1px;
}

.footer-social:hover {
    color: var(--accent);
}

/* ===== LEGAL SECTION ===== */
.legal-section {
    padding: 60px 0;
    background: var(--bg-dark-2);
}

.legal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.legal-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 28px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.legal-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.legal-content {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.7;
}

.legal-content h4 {
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    margin-top: 16px;
    margin-bottom: 8px;
}

.legal-content p {
    margin-bottom: 8px;
}

.legal-content ul {
    margin: 8px 0;
    padding-left: 20px;
}

.legal-content li {
    margin-bottom: 4px;
}

.legal-content a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

.legal-content a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.legal-content strong {
    color: var(--text-primary);
}

/* ===== SUPPORT SECTION ===== */
.support-section {
    padding: 40px 0;
    background: var(--bg-dark);
}

.support-card {
    display: flex;
    align-items: center;
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 28px 32px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.support-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.support-content h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.support-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.support-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-support {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 10px;
    color: var(--accent);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.btn-support:hover {
    background: rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-dark);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-weight: 600;
}

.footer-brand svg {
    color: var(--accent);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 32px;
    }

    .features {
        padding: 80px 0;
    }

    .demo-section {
        padding: 80px 0;
    }

    .download-section {
        padding: 80px 0;
    }

    .download-card {
        padding: 32px 24px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .legal-grid {
        grid-template-columns: 1fr;
    }

    .legal-card {
        padding: 20px;
    }

    .support-card {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }

    .support-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-icon {
        width: 80px;
        height: 80px;
        border-radius: 20px;
    }

    .hero-icon svg {
        width: 48px;
        height: 48px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 24px;
    }

    .btn {
        width: 100%;
    }

    .feature-card {
        padding: 24px;
    }
}