/* Modern CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

body {
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: #ffffff;
    color: #000000;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

/* CSS Variables */
:root {
    /* Colors */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-900: #0f172a;
    
    /* Blue Scale */
    --color-blue-50: #eff6ff;
    --color-blue-100: #dbeafe;
    --color-blue-200: #bfdbfe;
    --color-blue-300: #93c5fd;
    --color-blue-400: #60a5fa;
    --color-blue-500: #3b82f6;
    --color-blue-600: #2563eb;
    --color-blue-700: #1d4ed8;
    --color-blue-800: #1e40af;
    --color-blue-900: #1e3a8a;
    
    /* Yellow for stars */
    --color-yellow-400: #facc15;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #1d4ed8 50%, #2563eb 100%);
    --gradient-secondary: linear-gradient(135deg, #dbeafe 0%, #93c5fd 100%);
    --gradient-accent: linear-gradient(90deg, #60a5fa 0%, #3b82f6 100%);
    --gradient-blue-to-blue: linear-gradient(to right, #1e40af, #1d4ed8);
    --gradient-text: linear-gradient(to right, #1e40af, #1d4ed8, #2563eb);
    
    /* Shadows */
    --shadow-soft: 0 4px 20px rgba(30, 64, 175, 0.15);
    --shadow-medium: 0 8px 30px rgba(30, 64, 175, 0.2);
    --shadow-strong: 0 12px 40px rgba(30, 64, 175, 0.25);
    --shadow-hover: 0 20px 60px rgba(30, 64, 175, 0.15);
    --shadow-button: 0 8px 30px rgba(30, 64, 175, 0.3);
    --shadow-button-hover: 0 12px 40px rgba(30, 64, 175, 0.4);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 1.75rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    /* Containers */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* Utility Classes */
.gradient-text {
    background: var(--gradient-text);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translate3d(0, 0, 0); }
    40%, 43% { transform: translate3d(0, -30px, 0); }
    70% { transform: translate3d(0, -15px, 0); }
    90% { transform: translate3d(0, -4px, 0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 8s ease-in-out infinite;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 1);
    border-bottom: 1px solid var(--color-gray-100);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-container {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-blue-600);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

.logo-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-800);
}

.navigation {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-item {
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-600);
    text-decoration: none;
    border: none;
    background: none;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: var(--font-size-sm);
}

.nav-item:hover {
    color: var(--color-blue-600);
}

.nav-item.active {
    color: var(--color-blue-600);
}

.cta-button {
    background: var(--color-blue-600);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: var(--font-size-sm);
}

.cta-button:hover {
    background: var(--color-blue-700);
}

/* Button Styles */
.btn-primary {
    background: var(--color-blue-600);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary:hover {
    background: var(--color-blue-700);
}

.btn-secondary {
    border: 2px solid var(--color-blue-700);
    color: var(--color-blue-700);
    background: transparent;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-secondary:hover {
    background: var(--color-blue-700);
    color: var(--color-white);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(to bottom right, rgba(239, 246, 255, 0.5), var(--color-white), rgba(219, 234, 254, 0.3));
}

.hero-decoration {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero-decoration-1 {
    top: 1.25rem;
    right: 5rem;
    width: 8rem;
    height: 8rem;
    background: rgba(191, 219, 254, 0.4);
}

.hero-decoration-2 {
    top: 10rem;
    right: 10rem;
    width: 2rem;
    height: 2rem;
    background: rgba(147, 197, 253, 0.6);
    animation-delay: 1s;
}

.hero-decoration-3 {
    top: 15rem;
    right: 15rem;
    width: 1rem;
    height: 1rem;
    background: rgba(96, 165, 250, 0.5);
    animation-delay: 2s;
}

.hero-decoration-4 {
    bottom: 10rem;
    right: 5rem;
    width: 4rem;
    height: 4rem;
    background: rgba(191, 219, 254, 0.3);
    animation-delay: 0.5s;
}

.hero-container {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    padding-top: var(--spacing-5xl);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

.hero-title-blue {
    color: var(--color-blue-800);
}

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

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    max-width: 32rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.hero-visual {
    display: flex;
    justify-content: center;
}

@media (min-width: 1024px) {
    .hero-visual {
        justify-content: flex-end;
    }
}

.hero-sphere-container {
    position: relative;
    width: 20rem;
    height: 20rem;
}

.hero-sphere {
    position: absolute;
    inset: 5rem;
    border-radius: 50%;
    background: linear-gradient(to bottom right, var(--color-blue-200), var(--color-blue-400));
    box-shadow: var(--shadow-strong);
}

.hero-sphere-inner {
    position: absolute;
    inset: 1rem;
    border-radius: 50%;
    background: linear-gradient(to bottom right, var(--color-blue-100), var(--color-blue-300));
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-sphere-center {
    width: 6rem;
    height: 6rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-sphere-icon {
    font-size: var(--font-size-3xl);
}

.hero-orbit {
    position: absolute;
    width: 3rem;
    height: 3rem;
    background: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.hero-orbit-1 {
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-orbit-2 {
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-blue-600);
    color: var(--color-white);
    animation: pulse 2s infinite;
}

.hero-orbit-3 {
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    animation-delay: 0.5s;
}

.hero-orbit-4 {
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-blue-500);
    color: var(--color-white);
    animation: pulse 2s infinite;
    animation-delay: 0.3s;
}

.hero-orbit-icon {
    font-size: var(--font-size-sm);
}

.hero-connection {
    position: absolute;
    background: linear-gradient(var(--color-blue-300), transparent);
}

.hero-connection-1 {
    top: 2rem;
    left: 50%;
    width: 1px;
    height: 4rem;
}

.hero-connection-2 {
    right: 2rem;
    top: 50%;
    height: 1px;
    width: 4rem;
    background: linear-gradient(to left, var(--color-blue-300), transparent);
}

.hero-connection-3 {
    bottom: 2rem;
    left: 50%;
    width: 1px;
    height: 4rem;
    background: linear-gradient(to top, var(--color-blue-300), transparent);
}

.hero-connection-4 {
    left: 2rem;
    top: 50%;
    height: 1px;
    width: 4rem;
    background: linear-gradient(to right, var(--color-blue-300), transparent);
}

/* Services Section */
.services {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-50);
}

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

.services-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-800);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 1024px) {
    .section-title {
        font-size: var(--font-size-5xl);
    }
}

.section-description {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    max-width: 48rem;
    margin: 0 auto;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

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

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.service-card:hover {
    border-color: var(--color-blue-600);
    box-shadow: var(--shadow-medium);
}

.service-icon {
    width: 4rem;
    height: 4rem;
    background: var(--color-blue-600);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-white);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-800);
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-50);
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.testimonial-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.testimonial-avatar {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex-shrink: 0;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-name {
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-800);
    font-size: var(--font-size-lg);
}

.testimonial-company {
    color: var(--color-blue-600);
    font-weight: var(--font-weight-medium);
}

.testimonial-stars {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.star {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-yellow-400);
    fill: currentColor;
}

.testimonial-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.testimonial-content {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Approach Section */
.approach {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

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

.approach-header {
    text-align: center;
    margin-bottom: var(--spacing-5xl);
}

.approach-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4xl);
}

.approach-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3xl);
}

@media (min-width: 1024px) {
    .approach-step {
        flex-direction: row;
    }
    
    .approach-step-reverse {
        flex-direction: row-reverse;
    }
}

.approach-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.approach-step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.approach-step-number {
    width: 3rem;
    height: 3rem;
    background: var(--color-blue-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
}

.approach-step-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-800);
}

.approach-step-description {
    color: var(--color-gray-600);
    line-height: 1.6;
    font-size: var(--font-size-lg);
}

.approach-image {
    flex: 1;
    position: relative;
}

.approach-image img {
    width: 100%;
    height: 20rem;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-medium);
}

.approach-step-overlay {
    position: absolute;
    top: -1rem;
    left: -1rem;
    width: 4rem;
    height: 4rem;
    background: var(--color-blue-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-medium);
}

.approach-cta {
    margin-top: var(--spacing-5xl);
    text-align: center;
    background: var(--color-blue-50);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
}

.approach-cta-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-800);
    margin-bottom: var(--spacing-lg);
}

.approach-cta-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
}

.approach-cta-button {
    background: var(--color-blue-600);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.approach-cta-button:hover {
    background: var(--color-blue-700);
}

/* FAQ Section */
.faq {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

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

.faq-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.faq-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

@media (min-width: 1024px) {
    .faq-content {
        grid-template-columns: 1fr 1fr;
    }
}

.faq-questions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.faq-item {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    transition: var(--transition-normal);
}

.faq-question:hover {
    color: var(--color-blue-600);
}

.faq-icon {
    width: 1.25rem;
    height: 1.25rem;
    transition: var(--transition-normal);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-gray-600);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

.faq-cta-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.faq-cta-card {
    border: 1px solid var(--color-gray-200);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    padding: var(--spacing-lg);
}

.faq-cta-content {
    display: flex;
    gap: var(--spacing-lg);
}

.faq-cta-image {
    width: 6rem;
    height: 6rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex-shrink: 0;
}

.faq-cta-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.faq-cta-info {
    flex: 1;
}

.faq-cta-title {
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-800);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.faq-cta-description {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.faq-cta-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.faq-cta-button {
    background: var(--color-blue-600);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: var(--font-size-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.faq-cta-button:hover {
    background: var(--color-blue-700);
}

.faq-cta-price {
    color: var(--color-blue-600);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
}

.faq-cta-or {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* Portfolio Section */
.portfolio {
    padding: var(--spacing-4xl) 0;
    min-height: 100vh;
    background: linear-gradient(to bottom right, rgba(239, 246, 255, 0.7), var(--color-white), rgba(219, 234, 254, 0.5));
}

.portfolio-container {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.portfolio-header {
    text-align: center;
    margin-bottom: var(--spacing-5xl);
}

.portfolio-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

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

.portfolio-description {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    max-width: 48rem;
    margin: 0 auto;
    line-height: 1.6;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-4xl);
}

.filter-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-soft);
    flex-wrap: wrap;
}

.filter-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-blue-700);
    margin-left: var(--spacing-sm);
}

.filter-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-weight: var(--font-weight-semibold);
    border: none;
    background: none;
    cursor: pointer;
    transition: var(--transition-normal);
    color: var(--color-blue-700);
    font-size: var(--font-size-sm);
}

.filter-btn:hover {
    background-color: var(--color-blue-50);
    color: var(--color-blue-800);
}

.filter-btn.active {
    background: var(--gradient-blue-to-blue);
    color: var(--color-white);
    box-shadow: var(--shadow-button);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

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

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.portfolio-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-3xl);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-slow);
    animation: fadeIn 0.6s ease-out;
}

.portfolio-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-8px);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-image {
    position: relative;
    height: 16rem;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-view-btn {
    background-color: var(--color-white);
    color: var(--color-blue-800);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-weight: var(--font-weight-semibold);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-button);
    transition: var(--transition-normal);
    transform: translateY(16px);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.portfolio-item:hover .portfolio-view-btn {
    transform: translateY(0);
}

.portfolio-view-btn:hover {
    background-color: var(--color-blue-50);
    transform: translateY(-4px);
}

.portfolio-badge {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-badge {
    transform: translateY(-4px);
}

.portfolio-badge i {
    width: 1rem;
    height: 1rem;
    color: var(--color-blue-700);
}

.portfolio-badge span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-blue-800);
}

.portfolio-number {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gradient-blue-to-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-button);
}

.portfolio-content {
    padding: var(--spacing-xl);
}

.portfolio-item-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-blue-to-blue);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
}

.portfolio-category {
    color: var(--color-blue-600);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.portfolio-item-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.portfolio-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(to right, var(--color-blue-100), var(--color-blue-200));
    color: var(--color-blue-800);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    transition: var(--transition-normal);
}

.tech-tag:hover {
    transform: scale(1.05);
}

.portfolio-btn {
    width: 100%;
    border: 2px solid var(--color-blue-200);
    color: var(--color-blue-700);
    background: transparent;
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-md);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.portfolio-btn:hover {
    background: var(--gradient-blue-to-blue);
    color: var(--color-white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.portfolio-cta {
    text-align: center;
    margin-top: var(--spacing-5xl);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-hover);
    border: 1px solid rgba(147, 197, 253, 0.5);
}

.portfolio-cta-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.portfolio-cta-description {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    max-width: 32rem;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.6;
}

.portfolio-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    justify-content: center;
}

@media (min-width: 640px) {
    .portfolio-cta-buttons {
        flex-direction: row;
    }
}

/* Footer Styles */
.footer {
    background: var(--color-blue-600);
    color: var(--color-white);
}

.footer-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: var(--spacing-4xl) var(--spacing-lg);
}

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

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-company {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo-text {
    color: var(--color-blue-600);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

.footer-logo-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-social-link {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-normal);
}

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

.footer-section-title {
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-links a,
.footer-links span {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-normal);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-contact-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    flex-shrink: 0;
}

.footer-contact-item span {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
}

@media (min-width: 1024px) {
    .footer-copyright {
        text-align: left;
    }
}

.footer-brand {
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-normal);
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        height: 4rem;
    }
    
    .navigation {
        display: none;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .filter-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        text-align: center;
    }
    
    .footer-content {
        gap: var(--spacing-2xl);
    }
    
    .footer-bottom {
        text-align: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}