/* ===== CSS Variables & Reset ===== */
:root {
    /* Colors - New Blue Palette */
    --primary: #3B82F6;
    --primary-dark: #2563eb;
    --secondary: #7A73D1;
    --accent: #4D55CC;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Gradients - New Blue Theme */
    --gradient-primary: linear-gradient(135deg, #211C84 0%, #3B82F6 100%);
    --gradient-secondary: linear-gradient(135deg, #4D55CC 0%, #7A73D1 100%);
    --gradient-accent: linear-gradient(135deg, #3B82F6 0%, #B5A8D5 100%);
    --gradient-warm: linear-gradient(135deg, #211C84 0%, #4D55CC 50%, #3B82F6 100%);

    /* Neutral Colors - Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Outfit', 'Inter', sans-serif;

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.4);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Navigation - Liquid Glass Apple 2026 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: all var(--transition-base);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
    color: #0f172a;
    position: relative;
    z-index: 2;
}

.logo svg {
    color: var(--primary);
    filter: drop-shadow(0 2px 8px rgba(59, 130, 246, 0.3));
}

/* Liquid Glass Container */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow:
        0 8px 32px rgba(31, 38, 135, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

/* Liquid Glass Shine Effect */
.nav-links::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.3),
            transparent);
    transition: left 0.5s ease;
}

.nav-links:hover::before {
    left: 100%;
}

/* Liquid Glass Gradient Overlay */
.nav-links::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.1) 0%,
            rgba(255, 255, 255, 0.05) 50%,
            rgba(255, 255, 255, 0.1) 100%);
    border-radius: var(--radius-full);
    pointer-events: none;
}

.nav-link {
    color: #0f172a;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.625rem 1.125rem;
    border-radius: var(--radius-full);
    z-index: 1;
}

/* Active Tab - Liquid Glass Effect */
.nav-link.active {
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.95) 0%,
            rgba(255, 255, 255, 0.85) 100%);
    color: #0f172a;
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.05);
    transform: scale(1.02) translateY(-1px);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Active Tab Glow */
.nav-link.active::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg,
            rgba(59, 130, 246, 0.2),
            rgba(147, 197, 253, 0.1));
    border-radius: var(--radius-full);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-link.active:hover::before {
    opacity: 1;
}

/* Hover Effect for Inactive Tabs */
.nav-link:not(.active):hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    transform: translateY(-1px);
}

/* Contact Button - Liquid Glass */
.btn-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.2) 0%,
            rgba(255, 255, 255, 0.1) 100%);
    backdrop-filter: blur(30px) saturate(150%);
    -webkit-backdrop-filter: blur(30px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #0f172a;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

/* Contact Button Shine */
.btn-contact::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.3) 50%,
            transparent 70%);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

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

.btn-contact svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.3));
}

.btn-contact:hover {
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.3) 0%,
            rgba(255, 255, 255, 0.2) 100%);
    transform: translateY(-2px);
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: #0f172a;
    transition: all var(--transition-base);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

/* Hero Background with Cloud Image */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
    filter: brightness(1.05) contrast(1.1) saturate(1.1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.2) 0%, transparent 70%),
        linear-gradient(180deg,
            rgba(255, 255, 255, 0.1) 0%,
            rgba(255, 255, 255, 0.15) 50%,
            rgba(255, 255, 255, 1) 100%);
    pointer-events: none;
}

/* Centered Hero Content */
.hero-content-centered {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-2xl) 0;
    animation: fade-in-up 1s ease-out;
}

/* Icon Badge */
.hero-icon-badge {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-xl);
    background: rgba(255, 255, 255, 0.7);
    border: 2px solid rgba(59, 130, 246, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1);
    animation: float 3s ease-in-out infinite;
}

.hero-icon-badge svg {
    filter: drop-shadow(0 2px 8px rgba(59, 130, 246, 0.3));
}

/* Centered Hero Title */
.hero-title-centered {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: var(--spacing-lg);
    color: #0f172a;
    letter-spacing: -0.02em;
}

/* Centered Description */
.hero-description-centered {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: #334155;
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 600;
}

/* Centered Buttons */
.hero-buttons-centered {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

/* Floating Hashtags */
.hero-hashtags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-2xl);
}

.hashtag {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    color: #1e293b;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-base);
    animation: float-hashtag 3s ease-in-out infinite;
}

.hashtag:nth-child(1) {
    animation-delay: 0s;
}

.hashtag:nth-child(2) {
    animation-delay: 0.2s;
}

.hashtag:nth-child(3) {
    animation-delay: 0.4s;
}

.hashtag:nth-child(4) {
    animation-delay: 0.6s;
}

.hashtag:nth-child(5) {
    animation-delay: 0.8s;
}

.hashtag:nth-child(6) {
    animation-delay: 1s;
}

.hashtag:nth-child(7) {
    animation-delay: 1.2s;
}

.hashtag:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
}

@keyframes float-hashtag {

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

    50% {
        transform: translateY(-8px);
    }
}

@keyframes float {

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

    50% {
        transform: translateY(-10px) rotate(2deg);
    }
}

/* Button Styles */
.btn-hero-primary,
.btn-hero-secondary {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
    color: white;
    box-shadow:
        0 8px 32px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.btn-hero-primary::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.2) 50%,
            transparent 70%);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

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

.btn-hero-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.5);
}

.btn-hero-secondary {
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.2) 0%,
            rgba(255, 255, 255, 0.1) 100%);
    color: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.btn-hero-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.3),
            transparent);
    transition: left 0.5s ease;
}

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

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

/* ===== Partners Section ===== */
.partners {
    padding: var(--spacing-2xl) 0;
    background-image: radial-gradient(rgba(147, 197, 253, 0.2) 1.5px, transparent 1.5px);
    background-size: 32px 32px;
    background-color: #ffffff;
    border-top: 1px solid rgba(59, 130, 246, 0.05);
}

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

.partners-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.01em;
}

.partners-text .highlight {
    color: var(--primary);
    font-weight: 700;
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-2xl);
    padding: 0 var(--spacing-md);
}

.partner-item {
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.5;
    filter: grayscale(1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
}

.partner-item:hover {
    opacity: 1;
    filter: grayscale(0);
    transform: translateY(-2px);
}

.partner-icon {
    font-size: 1.25rem;
    color: #64748b;
}

.partner-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: #475569;
    letter-spacing: -0.02em;
}

.logo-amazon {
    font-style: italic;
}

.logo-etsy {
    font-family: serif;
    font-weight: 800;
}

@media (max-width: 768px) {
    .partners-grid {
        gap: var(--spacing-xl);
    }

    .partner-item {
        transform: scale(0.9);
    }
}

/* ===== How It Works Section ===== */
.how-it-works {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 2rem 0;
    overflow: hidden;
    background: #ffffff;
}

.glow-overlay {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.25;
    pointer-events: none;
    z-index: 1;
}

.glow-blue {
    top: -5%;
    left: 5%;
    width: 400px;
    height: 400px;
    background: #dbeafe;
}

.glow-purple {
    bottom: -5%;
    right: 5%;
    width: 500px;
    height: 500px;
    background: #f3e8ff;
}

.glow-indigo {
    top: 30%;
    right: 15%;
    width: 300px;
    height: 300px;
    background: #eef2ff;
}

.how-it-works .container {
    max-width: 1024px;
    position: relative;
    z-index: 10;
}

.steps-header {
    text-align: center;
    margin-bottom: 4rem;
}

.steps-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: #000;
    text-transform: uppercase;
}

.steps-container {
    position: relative;
}

.connector-line {
    display: none;
}

@media (min-width: 768px) {
    .connector-line {
        display: block;
        position: absolute;
        top: 28px;
        left: 15%;
        right: 15%;
        height: 1px;
        background-image: linear-gradient(to right, #e2e8f0 40%, rgba(255, 255, 255, 0) 0%);
        background-position: bottom;
        background-size: 8px 1px;
        background-repeat: repeat-x;
        z-index: 0;
    }
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.step-item:hover {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    transform: translateY(-8px);
}

.step-num {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #000000 0%, #1c1c1c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 10px 25px rgba(0, 0, 0, 0.2),
        inset 0 1px 1px rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 10;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 1rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: #000;
    letter-spacing: -0.01em;
}

.step-description {
    color: #475569;
    font-size: 0.9375rem;
    line-height: 1.7;
    max-width: 260px;
}

.steps-footer {
    margin-top: 4rem;
    text-align: center;
}

.btn-steps-cta {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    padding: 1.5rem 3.5rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-steps-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.1) 50%,
            transparent 70%);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

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

.btn-steps-cta:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    background: #000;
}



/* ===== Features Section ===== */
.features {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

.feature-card:hover {
    background: #ffffff;
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(59, 130, 246, 0.15);
}

.feature-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    opacity: 0.1;
    transition: all var(--transition-base);
}

.feature-card:hover .icon-bg {
    opacity: 0.2;
    transform: scale(1.1) rotate(5deg);
}

.feature-icon span {
    font-size: 2.5rem;
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

/* ===== Courses Section ===== */
.courses {
    padding: var(--spacing-3xl) 0;
    background: #f8fafc;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

.course-card {
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.2);
}

.course-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.course-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: rgba(16, 185, 129, 0.9);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.course-badge.hot {
    background: rgba(239, 68, 68, 0.9);
}

.course-badge.new {
    background: rgba(59, 130, 246, 0.9);
}

.course-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.course-card:hover .course-img-placeholder {
    transform: scale(1.1);
}

.course-emoji {
    font-size: 5rem;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.3));
}

.course-content {
    padding: var(--spacing-lg);
}

.course-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.course-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.course-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.course-duration,
.course-students {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.course-price {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-old {
    color: var(--text-muted);
    text-decoration: line-through;
    font-size: 0.875rem;
}

.price-new {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-course {
    background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow:
        0 8px 24px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-course::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.2) 50%,
            transparent 70%);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

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

.btn-course:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.4);
}

/* ===== Pricing Section ===== */
.pricing {
    padding: var(--spacing-3xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.pricing-card.featured {
    background: #ffffff;
    border: 2px solid var(--primary);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    z-index: 1;
}

.pricing-card:not(.featured):hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.1);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-header h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.pricing-header p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    color: var(--text-muted);
    font-size: 1rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.pricing-features li.disabled {
    color: var(--text-muted);
    opacity: 0.5;
}

.btn-pricing {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
    color: white;
    padding: 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

.pricing-card.featured .btn-pricing {
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    color: var(--primary);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.2);
}

.btn-pricing::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.2) 50%,
            transparent 70%);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

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

.btn-pricing:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.4);
}

/* ===== CTA Section ===== */
.cta {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-primary,
.btn-cta-secondary {
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-cta-primary {
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    color: var(--primary);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.2);
}

.btn-cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(59, 130, 246, 0.1),
            transparent);
    transition: left 0.5s ease;
}

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

.btn-cta-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.4);
}

.btn-cta-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ===== Footer ===== */
.footer {
    background: #ffffff;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Animations ===== */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-content-centered {
        max-width: 800px;
        padding: var(--spacing-xl) 0;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-title-centered {
        font-size: 2rem;
    }

    .hero-buttons-centered {
        flex-direction: column;
        width: 100%;
    }

    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }

    .hero-hashtags {
        gap: var(--spacing-xs);
    }

    .hashtag {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }

    .features-grid,
    .courses-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn-cta-primary,
    .btn-cta-secondary {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-3xl) 0;
    }

    .hero-visual {
        height: 300px;
    }

    .floating-card {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
    }

    .card-icon {
        font-size: 1.25rem;
    }
}