:root {
    /* Colors */
    --color-bg-body: #0a0a0f;
    --color-bg-card: #13131f;
    --color-text-main: #e0e0e0;
    --color-text-muted: #a0a0b0;
    --color-primary: #6366f1;
    /* Indigo 500 */
    --color-primary-hover: #4f46e5;
    --color-accent: #00e5ff;
    /* Cyan */
    --color-white: #ffffff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-text: linear-gradient(90deg, #ffffff 0%, #a0a0b0 100%);

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

    /* Typography */
    --font-family: 'Inter', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Borders & Shadows */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.section {
    padding: var(--spacing-lg) 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn--primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn--outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--color-text-main);
}

.btn--outline:hover {
    border-color: var(--color-primary);
    color: var(--color-white);
    background: rgba(99, 102, 241, 0.1);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    background: rgba(10, 10, 15, 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: 800;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.logo__highlight {
    color: var(--color-primary);
}

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

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.nav__link:hover {
    color: var(--color-white);
}

.header__cta {
    display: block;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
}

/* Background glow effect */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(10, 10, 15, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero__title {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    max-width: 480px;
}

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

.hero__visual {
    position: relative;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Abstract visual elements */
.visual-circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: absolute;
    animation: float 6s ease-in-out infinite;
}

.visual-card {
    position: absolute;
    background: rgba(19, 19, 31, 0.9);
    padding: 15px 25px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(5px);
}

.visual-card--1 {
    top: 20%;
    right: 10%;
    animation: float 7s ease-in-out infinite 1s;
}

.visual-card--2 {
    bottom: 20%;
    left: 10%;
    animation: float 8s ease-in-out infinite 2s;
}

.icon-box {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.2);
    color: var(--color-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 0.8rem;
}

.card-text {
    font-weight: 600;
    color: var(--color-white);
}

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

.service-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    transition: transform 0.3s, border-color 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.service-card__icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
}

.service-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.service-card__desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Benefits */
.benefits__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.benefits__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-sm);
}

.benefit-item__check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.8rem;
    font-weight: 800;
    margin-top: 2px;
}

.benefit-item strong {
    color: var(--color-white);
    display: block;
    margin-bottom: 4px;
}

.visual-box {
    width: 100%;
    height: 400px;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    position: relative;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

/* A simple decorative pattern for the box */
.visual-box::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--color-primary) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.1;
}

/* Contact */
.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact__details {
    margin-top: var(--spacing-md);
}

.contact__details p {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--color-white);
}

.contact__form {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--color-white);
    font-family: inherit;
    transition: border-color 0.3s;
}

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

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    margin-top: 80px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer__container {
    display: flex;
    justify-content: space-between;
}

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

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

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

/* Portfolio */
.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-item {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-item__img-box {
    width: 100%;
    height: 300px;
    /* Force consistent height */
    overflow: hidden;
    background: #000;
}

.portfolio-item__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-item__img {
    transform: scale(1.05);
}

.portfolio-item__content {
    padding: var(--spacing-md);
}

.portfolio-item__title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.portfolio-item__desc {
    color: var(--color-text-muted);
}

/* Process Timeline (Horizontal steps on desktop, vertical on mobile) */
.process__steps {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

/* Connecting line */
.process__steps::before {
    content: '';
    position: absolute;
    top: 30px;
    /* Adjust based on step number size */
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.process-step {
    position: relative;
    z-index: 1;
    text-align: center;
    flex: 1;
    padding: 0 10px;
}

.process-step__number {
    width: 60px;
    height: 60px;
    background: var(--color-bg-body);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--color-primary);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
    transition: background 0.3s, color 0.3s;
}

.process-step:hover .process-step__number {
    background: var(--color-primary);
    color: var(--color-white);
}

.process-step__title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.process-step__desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {

    .header__cta,
    .nav {
        display: none;
        /* Hide for now, will enable with JS for mobile */
    }

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

    .hero__container,
    .benefits__container,
    .contact__container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero__subtitle,
    .section-header {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__visual {
        margin-top: 20px;
        height: 300px;
    }

    .benefit-item {
        text-align: left;
    }

    .contact__info {
        text-align: left;
    }

    /* Process Mobile */
    .process__steps {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .process__steps::before {
        width: 2px;
        height: 100%;
        left: 30px;
        /* align with circle center */
        top: 0;
    }

    .process-step {
        display: flex;
        text-align: left;
        gap: var(--spacing-md);
    }

    .process-step__number {
        margin: 0;
        /* reset auto margin */
        flex-shrink: 0;
        /* prevent shrinking */
    }
}

/* Mobile Menu Open State - to be toggled by JS */
.nav.active {
    display: flex;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--color-bg-card);
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
}

.nav.active .nav__list {
    flex-direction: column;
    align-items: center;
}