:root {
    /* Colors */
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-primary: #4f46e5;
    /* Indigo */
    --accent-secondary: #06b6d4;
    /* Cyan */
    --accent-glow: rgba(79, 70, 229, 0.5);

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

    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;
    /* Using Outfit for a clean modern look */

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    border: none;
    font-weight: 500;
    box-shadow: 0 4px 15px var(--accent-glow);
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* Navigation */
header {
    padding: var(--spacing-md) 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #fff, #a0a0a0);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a:not(.btn-primary):hover {
    color: var(--accent-secondary);
}

.hamburger {
    display: none;
    /* Hidden on desktop */
    cursor: pointer;
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 1;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    background: linear-gradient(to right, #fff, var(--text-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-xs);
}

/* Hero */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

#hero .hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

#hero h1 {
    font-size: 5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

#hero p {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    opacity: 0.9;
    font-weight: 300;
}

.hero-bg-accent {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.4;
    filter: blur(100px);
    z-index: 1;
    animation: pulse 10s infinite alternate;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.4;
    }

    100% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

.cta-group {
    display: flex;
    gap: var(--spacing-sm);
}

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

.service-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: 20px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card h3 {
    margin-bottom: var(--spacing-xs);
    color: #fff;
}

/* About */
#about {
    background: linear-gradient(to bottom, var(--bg-dark), #0f0f0f);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.25rem;
    line-height: 1.8;
}

/* Simulator */
.simulator-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.simulator-card,
.result-card {
    background: rgba(20, 20, 20, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: 20px;
    width: 100%;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.simulator-card label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.simulator-card select {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    margin-bottom: 0;
    cursor: pointer;
}

.simulator-card form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: 0;
}



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

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

.simulator-card .form-group {
    margin-bottom: 0;
    /* Handled by gap */
}

.simulator-card button {
    width: 100%;
    margin-top: var(--spacing-md);
    font-size: 1.1rem;
    padding: 1rem;
}

.result-card.hidden {
    display: none;
    opacity: 0;
    transform: translateY(20px);
}

.result-card {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.05));
    border-color: var(--accent-primary);
    text-align: center;
    animation: slideUp 0.5s ease-out forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.result-header h4 {
    margin-bottom: 0;
    font-size: 1.2rem;
}

.highlight {
    font-size: 0.9rem;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.finance-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.arrow {
    font-size: 2rem;
    color: var(--text-secondary);
}

.current h5 {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.projected h3 {
    font-size: 3rem;
    background: linear-gradient(to right, var(--accent-secondary), #fff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    margin-bottom: 0;
}

.chart-container {
    width: 100%;
    margin: var(--spacing-sm) 0;
    position: relative;
    height: 300px;
}

.finance-display.small {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-sm);
}

.finance-display.small .current h5,
.finance-display.small .projected h3 {
    margin-top: 0.2rem;
}

.finance-display.small .projected h3 {
    font-size: 2rem;
}

.result-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.small-btn {
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
}

/* Contact */
.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    padding: var(--spacing-lg);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.contact-form {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.5);
}

.contact-form button {
    width: 100%;
    margin-top: var(--spacing-sm);
    cursor: pointer;
    border: none;
    font-size: 1.1rem;
}

/* Footer */
footer {
    padding: var(--spacing-lg) 0;
    background: #000;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

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

.footer-brand h4 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-sm) 0;
}

.footer-links a {
    color: var(--text-secondary);
    font-weight: 500;
}

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

.footer-bottom {
    font-size: 0.875rem;
    color: #444;
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
    }

    h1 {
        font-size: 3rem !important;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
        /* Add mobile menu logic later */
    }

    .hamburger {
        display: block;
    }

    #hero {
        padding-top: 80px;
        /* Account for fixed header */
        height: auto;
        min-height: 90vh;
        text-align: center;
    }

    #hero .hero-content {
        margin: 0 auto;
    }

    .cta-group {
        justify-content: center;
    }

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

    .contact-wrapper {
        padding: var(--spacing-md);
    }
}

/* Animations & Interactive States */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}

.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 6px 0;
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

@media (max-width: 768px) {
    .nav-links.active {
        display: flex !important;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(20px);
        padding: 2rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        gap: 1.5rem;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
}