:root {
    --portfolio-dark: #0b1120;
    --portfolio-text: #334155;
    --portfolio-accent: #14b8a6;
    --portfolio-light: #f8fafc;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--portfolio-text);
}

.navbar-brand {
    letter-spacing: -0.5px;
}

.portfolio-name {
    font-weight: 800;
    color: var(--portfolio-dark);
}

.digital-name {
    font-weight: 500;
    color: var(--portfolio-accent);
}

.hero {
    background: var(--portfolio-dark);
    color: white;
    padding: 120px 0;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: .8rem;
    color: var(--portfolio-accent);
    font-weight: 600;
}

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 1.05;
}

.hero h1 span {
    color: var(--portfolio-accent);
}

.hero-text {
    font-size: 1.25rem;
    color: #cbd5e1;
    max-width: 700px;
}

.btn-accent {
    background: var(--portfolio-accent);
    color: white;
    border: none;
    padding: 14px 32px;
    font-weight: 600;
    display: inline-block;
    text-decoration: none;
}

.btn-accent:hover {
    background: #0f9990;
    color: white;
}

.section-title {
    color: var(--portfolio-dark);
    font-weight: 800;
    letter-spacing: -1px;
}

.service-item {
    padding: 35px 0;
    border-bottom: 1px solid #e2e8f0;
}

.service-number {
    color: var(--portfolio-accent);
    font-weight: 700;
}

.service-item h3 {
    color: var(--portfolio-dark);
    font-weight: 700;
}

.service-item p {
    max-width: 700px;
}

.project-card {
    border: none;
    overflow: hidden;
    border-radius: 18px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, .08);
}

.project-image {
    height: 220px;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
}

.project-card h4 {
    color: var(--portfolio-dark);
    font-weight: 700;
}

.dark-section {
    background: var(--portfolio-dark);
    color: white;
}

.dark-section h2 {
    color: white;
}

.capability {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .15);
    font-size: 1.2rem;
}

.contact-box {
    background: var(--portfolio-light);
    border-radius: 20px;
    padding: 60px 30px;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.4rem;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, .15);
    z-index: 1000;
}

.audience-card {
    background: var(--portfolio-light);
    border-radius: 18px;
    padding: 40px 35px;
    height: 100%;
}

.audience-card h3 {
    color: var(--portfolio-dark);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.audience-card p {
    margin-bottom: 0;
    line-height: 1.7;
}

.navbar-nav {
    display: flex;
    gap: 15px;
}

.navbar-nav .nav-link {
    position: relative;
    padding-bottom: 6px !important;
    color: #333;
    text-decoration: none;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--portfolio-accent);
    transform: translateX(-50%);
    transition: width 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

footer {
    padding: 30px 0;
    color: #64748b;
}