/* ======================================
   Apple-esque Dark Theme Styles
   ====================================== */

:root {
    /* Apple Color Palette */
    --apple-black: #000000;
    --apple-gray-900: #0D1117;
    --apple-gray-800: #161B22;
    --apple-gray-700: #21262D;
    --apple-gray-600: #30363D;
    --apple-gray-500: #484F58;
    --apple-gray-400: #656D76;
    --apple-gray-300: #8B949E;
    --apple-gray-200: #C9D1D9;
    --apple-gray-100: #F0F6FC;
    
    /* Apple Blue Accents */
    --apple-blue: #007AFF;
    --apple-blue-light: #0A84FF;
    --apple-blue-dark: #0051D0;
    
    /* Apple System Colors */
    --apple-green: #32D74B;
    --apple-orange: #FF9F0A;
    --apple-red: #FF453A;
    --apple-yellow: #FFD60A;
    --apple-purple: #BF5AF2;
    --apple-pink: #FF2D92;
    
    /* Gradients */
    --gradient-blue: linear-gradient(135deg, var(--apple-blue) 0%, var(--apple-purple) 100%);
    --gradient-dark: linear-gradient(135deg, var(--apple-gray-900) 0%, var(--apple-gray-800) 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', sans-serif;
    --font-weight-thin: 100;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-heavy: 800;
    --font-weight-black: 900;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 2.5rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.16);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.24);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.32);
    
    /* Animation */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.25s ease-out;
    --transition-slow: 0.4s ease-out;
}

/* ======================================
   Base Styles
   ====================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background: var(--apple-gray-900);
    color: var(--apple-gray-100);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ======================================
   Animated Background
   ====================================== */

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(0, 122, 255, 0.1), rgba(191, 90, 242, 0.1));
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation-delay: -5s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    top: 80%;
    left: 70%;
    animation-delay: -10s;
}

.shape-4 {
    width: 40px;
    height: 40px;
    top: 40%;
    left: 80%;
    animation-delay: -15s;
}

.shape-5 {
    width: 70px;
    height: 70px;
    top: 10%;
    right: 30%;
    animation-delay: -7s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.7;
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
        opacity: 0.4;
    }
    50% {
        transform: translateY(-40px) rotate(180deg);
        opacity: 0.8;
    }
    75% {
        transform: translateY(-20px) rotate(270deg);
        opacity: 0.3;
    }
}

.gradient-orbs {
    position: absolute;
    width: 100%;
    height: 100%;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    animation: orb-move 25s infinite ease-in-out;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.15) 0%, transparent 70%);
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(191, 90, 242, 0.12) 0%, transparent 70%);
    top: 70%;
    right: 30%;
    animation-delay: -8s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(50, 215, 75, 0.08) 0%, transparent 70%);
    top: 50%;
    left: 60%;
    animation-delay: -15s;
}

@keyframes orb-move {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(50px, -30px);
    }
    50% {
        transform: translate(-30px, -60px);
    }
    75% {
        transform: translate(-50px, 30px);
    }
}

/* ======================================
   Navigation
   ====================================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--apple-gray-700);
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--apple-gray-100);
}

.logo-img {
    height: 32px;
    width: auto;
    margin-right: var(--space-xs);
    border-radius: 4px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--apple-gray-200);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--apple-blue-light);
    background: rgba(0, 122, 255, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--apple-gray-200);
    transition: var(--transition-fast);
}

/* ======================================
   Container & Layout
   ====================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-icon {
    font-size: 3rem;
    color: var(--apple-blue);
    margin-bottom: var(--space-md);
    display: block;
}

/* ======================================
   Hero Section
   ====================================== */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    color: var(--apple-gray-100);
}

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

/* ======================================
   Investment Card
   ====================================== */

.investment-card {
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid var(--apple-gray-600);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin: var(--space-xl) auto 0;
    max-width: 700px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.investment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-blue);
}

.investment-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    gap: var(--space-sm);
}

.investment-header i {
    color: var(--apple-blue);
    font-size: 1.5rem;
}

.investment-header h2 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--apple-gray-100);
}

.price-section {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.unified-price {
    font-size: 2rem;
    font-weight: var(--font-weight-semibold);
    color: var(--apple-blue-light);
    text-align: center;
    line-height: 1.2;
}

.includes-section h3 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--apple-gray-100);
    margin-bottom: var(--space-md);
    text-align: center;
}

.includes-grid {
    display: grid;
    gap: var(--space-md);
}

.include-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-md);
    border: 1px solid var(--apple-gray-600);
    transition: var(--transition-normal);
}

.include-item:hover {
    background: rgba(48, 54, 61, 0.5);
    border-color: var(--apple-blue);
    transform: translateY(-2px);
}

.include-item i {
    color: var(--apple-blue);
    font-size: 1.25rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.include-item span {
    font-weight: var(--font-weight-medium);
    color: var(--apple-gray-200);
    font-size: 1.125rem;
}

.discount-badge {
    font-size: 0.75rem;
    color: var(--apple-orange);
    background: rgba(255, 159, 10, 0.1);
    border: 1px solid rgba(255, 159, 10, 0.3);
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    margin-top: var(--space-xs);
    font-weight: var(--font-weight-medium);
}

/* ======================================
   Section Styling
   ====================================== */

.overview-section {
    background: rgba(22, 27, 34, 0.5);
    border-top: 1px solid var(--apple-gray-700);
    border-bottom: 1px solid var(--apple-gray-700);
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--apple-gray-100);
    margin-bottom: var(--space-sm);
}

.section-header h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--apple-blue-light);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--apple-gray-300);
    max-width: 800px;
    margin: 0 auto;
    font-weight: var(--font-weight-regular);
}

/* ======================================
   Delivery Section
   ====================================== */

.delivery-card {
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid var(--apple-gray-600);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
}

.delivery-text p {
    font-size: 1.125rem;
    color: var(--apple-gray-200);
    line-height: 1.7;
    font-weight: var(--font-weight-regular);
}

/* ======================================
   Program Details
   ====================================== */

.program-details {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-md);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid rgba(0, 122, 255, 0.3);
    border-radius: var(--radius-md);
    color: var(--apple-gray-100);
    font-weight: var(--font-weight-medium);
}

.detail-item i {
    color: var(--apple-blue-light);
    font-size: 1.25rem;
}

/* ======================================
   Features Section
   ====================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.feature-card {
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid var(--apple-gray-600);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--apple-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.feature-header i {
    color: var(--apple-blue);
    font-size: 1.5rem;
}

.feature-header h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--apple-gray-100);
}

.feature-list {
    list-style: none;
    display: grid;
    gap: var(--space-md);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.feature-list i {
    color: var(--apple-green);
    font-size: 1.125rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.feature-list span {
    color: var(--apple-gray-200);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
}

.impact-content p {
    font-size: 1.125rem;
    color: var(--apple-gray-200);
    line-height: 1.7;
    font-weight: var(--font-weight-regular);
}

/* ======================================
   ROI Section
   ====================================== */

.roi-section {
    background: rgba(22, 27, 34, 0.5);
    border-top: 1px solid var(--apple-gray-700);
}

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

.roi-description {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.roi-description p {
    font-size: 1.25rem;
    color: var(--apple-gray-200);
    line-height: 1.7;
    font-weight: var(--font-weight-regular);
}

.roi-features h4 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--apple-gray-100);
    text-align: center;
    margin-bottom: var(--space-md);
}

.roi-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.roi-feature-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid var(--apple-gray-600);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.roi-feature-item:hover {
    border-color: var(--apple-blue);
    transform: translateY(-2px);
}

.roi-feature-item i {
    color: var(--apple-blue);
    font-size: 1.5rem;
    margin-top: 4px;
    flex-shrink: 0;
}

.roi-feature-content h5 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--apple-gray-100);
    margin-bottom: var(--space-xs);
}

.roi-feature-content p {
    color: var(--apple-gray-300);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
}

/* ======================================
   Footer
   ====================================== */

.footer {
    background: var(--apple-gray-900);
    border-top: 1px solid var(--apple-gray-700);
    padding: var(--space-2xl) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--apple-gray-100);
}

.footer-logo .logo-img {
    height: 28px;
    width: auto;
    margin-right: var(--space-xs);
    border-radius: 4px;
}

.footer p {
    color: var(--apple-gray-400);
    font-weight: var(--font-weight-regular);
}

/* ======================================
   Animations
   ====================================== */

.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease-out forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ======================================
   Responsive Design
   ====================================== */

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .investment-card {
        margin: var(--space-md) auto 0;
        padding: var(--space-lg);
    }
    
    .unified-price {
        font-size: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .roi-features-grid {
        grid-template-columns: 1fr;
    }
    
    .program-details {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }
    
    .detail-item {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--space-xl) 0;
    }
    
    .investment-card {
        padding: var(--space-md);
    }
    
    .unified-price {
        font-size: 1.25rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
}