/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* VINT Violet Brand Colors - Matching Dashboard */
    --vint-purple-dark: #5603ad;
    --vint-purple-primary: #7c4dff;
    --vint-purple-medium: #9575ff;
    --vint-purple-light: #b39dff;
    --vint-purple-pale: #e8e0ff;

    /* Accent Colors */
    --vint-gold: #D4AF37;
    --vint-green: #27AE60;
    --vint-blue: #3498DB;
    --vint-red: #E74C3C;

    /* Neutrals */
    --vint-charcoal: #111111;
    --vint-gray: #1a1a1a;
    --vint-white: #FFFFFF;
    --vint-bg-light: #F8F9FA;

    /* Gradients */
    --gradient-purple: linear-gradient(135deg, #5603ad 0%, #7c4dff 50%, #9575ff 100%);
    --gradient-purple-soft: linear-gradient(135deg, #e8e0ff 0%, #b39dff 100%);
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F4D03F 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(86, 3, 173, 0.08);
    --shadow-md: 0 4px 16px rgba(86, 3, 173, 0.12);
    --shadow-lg: 0 8px 32px rgba(86, 3, 173, 0.16);
    --shadow-xl: 0 12px 48px rgba(86, 3, 173, 0.24);

    /* Effects */
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--vint-charcoal);
    line-height: 1.6;
    background-color: var(--vint-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--vint-purple-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}
h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--vint-gray);
    font-size: 1.0625rem;
}

.highlight-text {
    color: var(--vint-purple-primary);
    font-weight: 600;
}

.gradient-text {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* ===========================
   Utilities
   =========================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--vint-gray);
    max-width: 700px;
    margin: 0 auto 4rem;
    line-height: 1.7;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gradient-purple-soft);
    color: var(--vint-purple-dark);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

/* ===========================
   Buttons
   =========================== */
.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.0625rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-purple);
    color: var(--vint-white);
    box-shadow: var(--shadow-md);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #8B4789 0%, #A569BD 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--gradient-gold);
    color: var(--vint-white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-outline {
    background: transparent;
    color: var(--vint-purple-primary);
    border-color: var(--vint-purple-primary);
}

.btn-outline:hover {
    background: var(--gradient-purple);
    color: var(--vint-white);
    border-color: transparent;
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(86, 3, 173, 0.1);
    padding: 1.25rem 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.75rem;
}

.logo {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 4px rgba(86, 3, 173, 0.2));
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.footer .logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
}

.brand-name {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--vint-charcoal);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-purple);
    transition: width 0.3s ease;
}

.nav-menu a:not(.btn-primary):hover::after {
    width: 100%;
}

.nav-menu a:not(.btn-primary):hover {
    color: var(--vint-purple-primary);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    padding: 8rem 0 6rem;
    background:
        linear-gradient(135deg, rgba(232, 224, 255, 0.85) 0%, rgba(179, 157, 255, 0.75) 100%),
        url('https://images.unsplash.com/photo-1506377247377-2a5b3b417ebb?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 60%;
    height: 150%;
    background: radial-gradient(circle, rgba(124, 77, 255, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-30px, 30px) rotate(5deg); }
    66% { transform: translate(30px, -30px) rotate(-5deg); }
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--vint-white);
    color: var(--vint-purple-primary);
    border-radius: 50px;
    font-size: 0.9375rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.hero-title {
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--vint-charcoal);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 5rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--vint-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    color: var(--vint-gray);
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* ===========================
   Features Section
   =========================== */
.features {
    padding: 8rem 0;
    background: var(--vint-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--vint-white);
    border: 2px solid var(--vint-purple-pale);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-purple);
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(86, 3, 173, 0.15));
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--vint-purple-dark);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.75rem 0;
    color: var(--vint-gray);
    position: relative;
    padding-left: 2rem;
    line-height: 1.6;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--vint-green);
    font-weight: 700;
    font-size: 1.25rem;
}

/* ===========================
   ROI Section
   =========================== */
.roi-section {
    padding: 8rem 0;
    background:
        linear-gradient(135deg, rgba(86, 3, 173, 0.92) 0%, rgba(124, 77, 255, 0.88) 100%),
        url('https://images.unsplash.com/photo-1560493676-04071c5f467b?ixlib=rb-4.0.3&auto=format&fit=crop&w=2074&q=80') center/cover no-repeat;
    color: var(--vint-white);
    position: relative;
    overflow: hidden;
}

.roi-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><path d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/></g></g></svg>') repeat;
    opacity: 0.4;
}

.roi-section .container {
    position: relative;
    z-index: 1;
}

.roi-section h2,
.roi-section .section-subtitle {
    color: var(--vint-white);
}

.roi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.roi-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
}

.roi-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.roi-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.roi-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--vint-white);
    margin-bottom: 0.5rem;
}

.roi-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.0625rem;
}

/* ===========================
   Technology Section
   =========================== */
.technology {
    padding: 8rem 0;
    background: var(--vint-bg-light);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.tech-item {
    background: var(--vint-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.tech-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.tech-category {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--vint-purple-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-badge {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    background: var(--vint-purple-pale);
    color: var(--vint-purple-dark);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.tech-badge:hover {
    background: var(--vint-purple-light);
    transform: scale(1.05);
}

/* ===========================
   Use Cases Section
   =========================== */
.use-cases {
    padding: 8rem 0;
    background: var(--vint-white);
}

.roles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.role-card {
    background: var(--gradient-purple);
    color: var(--vint-white);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.role-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.role-card:hover::before {
    width: 400px;
    height: 400px;
}

.role-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.role-card h4 {
    color: var(--vint-white);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    position: relative;
    z-index: 1;
}

.role-card p {
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 0;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ===========================
   CTA Section
   =========================== */
.cta {
    padding: 8rem 0;
    background:
        linear-gradient(135deg, rgba(91, 44, 111, 0.92) 0%, rgba(44, 62, 80, 0.90) 100%),
        url('https://images.unsplash.com/photo-1566903451935-7e8833da3b02?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
    color: var(--vint-white);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 30s linear infinite;
}

@keyframes moveBackground {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta h2 {
    color: var(--vint-white);
    margin-bottom: 1.5rem;
}

.cta p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.25rem;
    margin-bottom: 3rem;
    line-height: 1.7;
}

.cta .btn-primary {
    background: var(--vint-white);
    color: var(--vint-purple-primary);
}

.cta .btn-primary:hover {
    background: var(--vint-purple-pale);
    transform: translateY(-3px) scale(1.05);
}

/* ===========================
   Footer
   =========================== */
.footer {
    padding: 4rem 0 2rem;
    background: var(--vint-charcoal);
    color: var(--vint-white);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-brand .brand-name {
    color: var(--vint-white);
    font-weight: 700;
    font-size: 1.5rem;
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-size: 1.0625rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--vint-purple-light);
}

.footer-copy {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9375rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9375rem;
    }

    .hero {
        padding: 5rem 0 4rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons a {
        width: 100%;
        text-align: center;
    }

    .features,
    .roi-section,
    .technology,
    .use-cases,
    .cta {
        padding: 5rem 0;
    }

    .features-grid,
    .roi-grid,
    .tech-grid,
    .roles-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.hero-content,
.feature-card,
.roi-card,
.tech-item,
.role-card {
    animation: fadeInUp 0.6s ease-out;
}

.stat {
    animation: scaleIn 0.5s ease-out;
}

/* Stagger animations */
.feature-card:nth-child(1),
.roi-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2),
.roi-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3),
.roi-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4),
.roi-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

/* Pulse animation for stats */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.stat:hover .stat-number {
    animation: pulse 0.6s ease-in-out;
}