:root {
    /* Colors */
    --color-dark: #0a0e1a;
    --color-dark-alt: #131929;
    --color-light: #e8f0ff;
    --color-blue: #3d7dff;
    --color-blue-light: #5c9eff;
    --color-blue-dark: #1e4fc7;
    --color-cyan: #00d9ff;
    --color-accent: #00f0ff;

    /* Typography */
    --font-display: 'Fraunces', serif;
    --font-body: 'Manrope', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;

    /* Transitions */
    --transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-dark);
    color: var(--color-light);
    line-height: 1.6;
    overflow-x: hidden;
}

::selection {
    background-color: var(--color-blue);
    color: var(--color-dark);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition-smooth);
}

.nav.scrolled {
    background-color: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(61, 125, 255, 0.2);
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    color: var(--color-light);
}

.logo-ai {
    color: var(--color-cyan);
    font-weight: 300;
    font-style: italic;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-light);
    text-decoration: none;
    position: relative;
    transition: var(--transition-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-cyan);
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--color-cyan);
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
}

.hero-label {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-cyan);
    margin-bottom: var(--spacing-md);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(40px);
}

.title-line.revealed {
    animation: fadeInUp 1s ease-out forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.1s;
}

.title-line-accent {
    color: var(--color-blue);
    font-style: italic;
    animation-delay: 0.2s;
}

.hero-description {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: 300;
    line-height: 1.7;
    max-width: 700px;
    margin-bottom: var(--spacing-lg);
    color: rgba(232, 240, 255, 0.8);
    opacity: 0;
    transform: translateY(40px);
}

.hero-description.revealed {
    animation: fadeInUp 1s ease-out 0.4s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(40px);
}

.hero-cta.revealed {
    animation: fadeInUp 1s ease-out 0.6s forwards;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--color-blue);
    color: var(--color-dark);
    border: 2px solid var(--color-blue);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--color-blue-dark);
    transition: var(--transition-smooth);
    z-index: -1;
}

.btn-primary:hover::before {
    left: 0;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(61, 125, 255, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-light);
    border: 2px solid var(--color-cyan);
}

.btn-secondary:hover {
    background-color: var(--color-cyan);
    color: var(--color-dark);
    transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.visual-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--color-blue);
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--color-cyan);
    top: 50%;
    right: 30%;
    animation-delay: 5s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--color-blue-light);
    bottom: 20%;
    right: 15%;
    animation-delay: 10s;
}

.visual-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--color-blue) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-blue) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.03;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-light);
    opacity: 0;
    animation: fadeIn 1s ease-out 1s forwards;
}

.scroll-indicator {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-cyan), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* Services Section */
.services {
    padding: var(--spacing-2xl) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.section-number {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-cyan);
    font-style: italic;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-light);
    opacity: 0;
    transform: translateY(40px);
}

.section-title.revealed {
    animation: fadeInUp 1s ease-out forwards;
}

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

.service-card {
    padding: var(--spacing-lg);
    background-color: var(--color-dark-alt);
    border: 1px solid rgba(61, 125, 255, 0.2);
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(40px);
}

.service-card.revealed {
    animation: fadeInUp 0.8s ease-out forwards;
}

.service-card:nth-child(2) {
    animation-delay: 0.1s;
}

.service-card:nth-child(3) {
    animation-delay: 0.2s;
}

.service-card:nth-child(4) {
    animation-delay: 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(61, 125, 255, 0.3);
    border-color: var(--color-blue);
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--color-cyan);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-bounce);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-light);
}

.service-description {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(232, 240, 255, 0.7);
}

/* Philosophy Section */
.philosophy {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background-color: var(--color-dark-alt);
    color: var(--color-light);
}

.philosophy-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.philosophy-text {
    opacity: 0;
    transform: translateX(-40px);
}

.philosophy-text.revealed {
    animation: fadeInLeft 1s ease-out forwards;
}

.philosophy-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-light);
}

.philosophy-body {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(232, 240, 255, 0.8);
    margin-bottom: var(--spacing-md);
}

.philosophy-visual {
    position: relative;
    padding: var(--spacing-lg);
    opacity: 0;
    transform: translateX(40px);
}

.philosophy-visual.revealed {
    animation: fadeInRight 1s ease-out forwards;
}

.visual-quote {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 300;
    font-style: italic;
    line-height: 1.4;
    color: var(--color-blue-light);
    margin-bottom: var(--spacing-md);
}

.visual-attribution {
    font-size: 1rem;
    color: rgba(232, 240, 255, 0.5);
}

/* Process Section */
.process {
    padding: var(--spacing-2xl) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.process-step {
    position: relative;
    padding: var(--spacing-lg);
    opacity: 0;
    transform: translateY(40px);
}

.process-step.revealed {
    animation: fadeInUp 0.8s ease-out forwards;
}

.process-step:nth-child(2) {
    animation-delay: 0.15s;
}

.process-step:nth-child(3) {
    animation-delay: 0.3s;
}

.process-step:nth-child(4) {
    animation-delay: 0.45s;
}

.step-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 200;
    color: var(--color-blue);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-light);
}

.step-description {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(232, 240, 255, 0.7);
}

/* Contact Section */
.contact {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-blue-dark) 0%, var(--color-blue) 100%);
    color: var(--color-light);
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    transform: translateY(40px);
}

.contact-title.revealed {
    animation: fadeInUp 1s ease-out forwards;
}

.contact-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(232, 240, 255, 0.9);
    opacity: 0;
    transform: translateY(40px);
}

.contact-description.revealed {
    animation: fadeInUp 1s ease-out 0.2s forwards;
}

.contact-form {
    opacity: 0;
    transform: translateY(40px);
}

.contact-form.revealed {
    animation: fadeInUp 1s ease-out 0.4s forwards;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: rgba(232, 240, 255, 0.1);
    border: 2px solid rgba(232, 240, 255, 0.2);
    color: var(--color-light);
    transition: var(--transition-smooth);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(232, 240, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    background-color: rgba(232, 240, 255, 0.15);
}

.contact-form .btn-primary {
    background-color: var(--color-cyan);
    color: var(--color-dark);
    border-color: var(--color-cyan);
    width: 100%;
}

.contact-form .btn-primary:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    padding: var(--spacing-lg);
    background-color: var(--color-dark);
    color: var(--color-light);
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-logo {
    display: inline-flex;
    align-items: baseline;
    gap: 0.25rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-info {
    font-size: 0.875rem;
    color: rgba(232, 240, 255, 0.6);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 1;
        transform: translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateY(10px);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .philosophy-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        width: 100%;
        opacity: 0.5;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
        --spacing-2xl: 4rem;
    }

    .nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.875rem;
    }

    .hero {
        padding: var(--spacing-xl) var(--spacing-md);
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}