/* =====================================================
   PREMIUM LANDING PAGE - STRIPE LEVEL
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --color-bg: #0A0E27;
    --color-bg-light: #151B3B;
    --color-text: #FFFFFF;
    --color-text-secondary: #A0AEC0;
    --color-accent: #6366F1;
    --color-accent-secondary: #8B5CF6;
    --color-accent-hover: #4F46E5;
    --color-border: rgba(255, 255, 255, 0.1);
    
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    --gradient-mesh: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.2) 0px, transparent 50%),
                     radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.2) 0px, transparent 50%);
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    --spacing-3xl: 12rem;
    
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4.5rem;
    
    --line-height-tight: 1.1;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/img/vifyo.com-template-dark.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    z-index: 0;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(7, 12, 34, 0.62) 0%, rgba(7, 12, 34, 0.72) 100%);
    z-index: 0;
    pointer-events: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
    width: 100%;
}

/* =====================================================
   HERO SECTION
   ===================================================== */

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 72% 35%, rgba(99, 102, 241, 0.18), transparent 42%);
    pointer-events: none;
}

.hero .container {
    max-width: 1280px;
    padding: 0 var(--spacing-xl);
}

.hero-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(2rem, 5vw, 5rem);
    width: 100%;
}

.hero-left {
    flex: 0 1 48%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 580px;
}

.hero-logo {
    width: 100%;
    max-width: 420px;
    height: auto;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 10px 26px rgba(99, 102, 241, 0.35));
}

@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 10px 30px rgba(99, 102, 241, 0.5));
    }
    50% {
        filter: drop-shadow(0 12px 35px rgba(139, 92, 246, 0.6));
    }
}

.hero-right {
    flex: 0 1 48%;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 600px;
    min-width: 0;
}

.hero-title {
    font-size: clamp(2.35rem, 4.2vw, 3.6rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #FFFFFF 0%, #A0AEC0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 1.4vw, 1.25rem);
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Dashboard Mockup */
.dashboard-mockup {
    width: min(560px, 100%);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.mockup-showcase {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    min-height: 280px;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
}

.mockup-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    border-radius: 8px;
}

.mockup-image.active {
    opacity: 1;
}

.mockup-indicators {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--gradient-accent);
    width: 24px;
    border-radius: 4px;
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
}

/* =====================================================
   SEO ACCORDION SECTION
   ===================================================== */

.seo-section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.seo-section,
.services,
.results,
.case-study,
.why,
.contact {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.seo-section .section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.accordion-item {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.accordion-item:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    cursor: pointer;
    user-select: none;
}

.accordion-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.accordion-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-accent);
    transition: transform 0.3s ease;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
    opacity: 0;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
    opacity: 1;
    padding: 0 var(--spacing-xl) var(--spacing-lg);
}

.accordion-content p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin: 0;
}

/* =====================================================
   SERVICES SECTION
   ===================================================== */

.services {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.2);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.service-card p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
}

/* =====================================================
   RESULTS SECTION
   ===================================================== */

.results {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.result-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
}

.result-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.result-desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* =====================================================
   CASE STUDY SECTION
   ===================================================== */

.case-study {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.case-content {
    max-width: 900px;
    margin: 0 auto;
}

.case-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.case-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.case-block h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.case-block p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
}

.case-block {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
}

/* =====================================================
   WHY SECTION
   ===================================================== */

.why {
    padding: var(--spacing-xl) 0;
}

.why .section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.why-item {
    position: relative;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.why-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.why-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.why-item h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.why-item p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
}

/* =====================================================
   CONTACT SECTION
   ===================================================== */

.contact {
    padding: var(--spacing-xl) 0;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.contact .contact-content {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: clamp(1.25rem, 2.5vw, 2.25rem);
}


.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.contact-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.contact .btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.contact .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

.contact .btn-secondary {
    border-color: var(--color-border);
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

.contact .btn-secondary:hover {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.1);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        height: auto;
        min-height: 100vh;
        padding: var(--spacing-lg) 0;
    }
    
    .hero .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-wrapper {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .hero-right {
        order: 2;
        width: 100%;
        max-width: 100%;
    }
    
    .hero-left {
        width: 100%;
        max-width: 100%;
        align-items: center;
        text-align: center;
    }
    
    .hero-logo {
        max-width: 260px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .mockup-showcase {
        aspect-ratio: 4/3;
        min-height: 220px;
    }
    
    .dashboard-mockup {
        width: 100%;
    }
    
    .accordion {
        max-width: 100%;
    }
    
    .accordion-header {
        padding: var(--spacing-md) var(--spacing-md);
    }
    
    .accordion-header h3 {
        font-size: var(--font-size-lg);
    }
    
    .accordion-item.active .accordion-content {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }
    
    .services-grid,
    .results-grid,
    .case-grid,
    .why-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .contact-title {
        font-size: var(--font-size-2xl);
    }
    
    .contact-buttons {
        flex-direction: column;
    }
    
    .result-number {
        font-size: var(--font-size-2xl);
    }
    
    .why-number {
        font-size: var(--font-size-2xl);
    }
}