/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Local font declarations */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url('./fonts/inter-v19-latin-300.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('./fonts/inter-v19-latin-regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('./fonts/inter-v19-latin-500.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('./fonts/inter-v19-latin-600.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('./fonts/inter-v19-latin-700.woff2') format('woff2');
}

@font-face {
    font-family: 'JetBrains Mono';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('./fonts/jetbrains-mono-v23-latin-regular.woff2') format('woff2');
}

@font-face {
    font-family: 'JetBrains Mono';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('./fonts/jetbrains-mono-v23-latin-500.woff2') format('woff2');
}

:root {
    --primary-black: #0a0a0a;
    --soft-black: #1a1a1a;
    --medium-gray: #666666;
    --light-gray: #f5f5f5;
    --pure-white: #ffffff;
    --accent-gray: #e5e5e5;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.5;
    color: var(--primary-black);
    background-color: var(--pure-white);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 80px);
}

/* Typography */
h1, h2, h3 {
    line-height: 1.1;
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 300;
    margin-bottom: 3rem;
    letter-spacing: -0.03em;
}

h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    font-weight: 600;
    margin-bottom: 0.8rem;
}

p {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    line-height: 1.6;
    color: var(--medium-gray);
    margin-bottom: 1rem;
}

a {
    color: inherit;
    text-decoration: none;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.link-underline {
    position: relative;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary-black);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: clamp(1rem, 3vw, 1.5rem) 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1rem, 3vw, 1.2rem);
    font-weight: 500;
    margin: 0;
    color: var(--primary-black);
    letter-spacing: -0.01em;
}

nav {
    display: flex;
    gap: clamp(1.5rem, 4vw, 3rem);
}

nav a {
    font-size: clamp(0.9rem, 2vw, 1rem);
    font-weight: 400;
    color: var(--medium-gray);
    position: relative;
    transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary-black);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

nav a:hover {
    color: var(--primary-black);
}

nav a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: clamp(6rem, 15vh, 10rem) 0 clamp(4rem, 10vh, 6rem);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fafafa;
    background-image: 
        radial-gradient(circle at 1px 1px, #d0d0d0 1px, transparent 1px);
    background-size: 20px 20px;
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-content {
    max-width: 800px;
}

.hero h2 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 200;
    line-height: 0.95;
    margin-bottom: 2rem;
    color: var(--primary-black);
    letter-spacing: -0.04em;
}

.hero h2 .highlight {
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.subtitle {
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--medium-gray);
    max-width: 500px;
    line-height: 1.5;
    font-weight: 400;
}

.hero-meta {
    margin-top: 3rem;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    align-items: center;
}

.availability {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--medium-gray);
    position: relative;
    padding-left: 1rem;
}

.availability::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

/* Sections */
section {
    padding: clamp(4rem, 10vh, 8rem) 0;
}

.services {
    background-color: var(--light-gray);
}

section h2 {
    margin-bottom: clamp(3rem, 8vh, 5rem);
}

.section-intro {
    max-width: 600px;
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 4rem;
}

/* Services */
.services-list {
    max-width: 800px;
    margin: 0 auto;
}

.service-item {
    display: flex;
    flex-direction: column;
    padding: clamp(2.5rem, 5vw, 3rem) 0;
    border-bottom: 1px solid var(--accent-gray);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-item:last-child {
    border-bottom: none;
}

.service-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.service-icon {
    width: 18px;
    height: 18px;
    stroke: var(--medium-gray);
    stroke-width: 1.5;
    fill: none;
    transition: stroke 0.3s ease;
    flex-shrink: 0;
}

.service-item:hover .service-icon {
    stroke: var(--primary-black);
}

.service-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    color: var(--medium-gray);
    font-weight: 400;
}

.service-item h3 {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 500;
    color: var(--primary-black);
    margin-bottom: 0.8rem;
    letter-spacing: -0.02em;
    transition: transform 0.3s ease;
}

.service-item:hover h3 {
    transform: translateX(10px);
}

.service-item p {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    color: var(--medium-gray);
    line-height: 1.6;
    margin: 0;
    max-width: 600px;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: clamp(2rem, 5vw, 4rem);
}

.portfolio-item {
    background: var(--pure-white);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--accent-gray);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    height: 240px;
    background: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.portfolio-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-image::after {
    opacity: 1;
}

.portfolio-content {
    padding: clamp(1.5rem, 4vw, 2rem);
}

.portfolio-item h3 {
    margin-bottom: 0.8rem;
    color: var(--primary-black);
    font-size: clamp(1.1rem, 2.5vw, 1.25rem);
}

.portfolio-item p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--primary-black);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.portfolio-link::after {
    content: '→';
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-link:hover::after {
    transform: translateX(4px);
}

/* Contact */
.contact {
    background-color: var(--light-gray);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    max-width: 500px;
    margin: 0 auto 5rem;
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    color: var(--medium-gray);
    line-height: 1.6;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-icon {
    width: 20px;
    height: 20px;
    stroke: var(--medium-gray);
    stroke-width: 1.5;
    fill: none;
    transition: stroke 0.3s ease;
    flex-shrink: 0;
}

.contact-item:hover .contact-icon {
    stroke: var(--primary-black);
}

.contact-details h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.contact-details a,
.contact-details p {
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--primary-black);
    line-height: 1.4;
    font-weight: 500;
    transition: all 0.3s ease;
    margin: 0;
}

.contact-details a {
    position: relative;
}

.contact-details a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary-black);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-details a:hover::after {
    width: 100%;
}

.contact-details p {
    font-weight: 400;
}

/* Footer */
footer {
    background-color: var(--primary-black);
    color: var(--pure-white);
    text-align: center;
    padding: clamp(2rem, 5vh, 3rem) 0;
}

footer p {
    margin: 0;
    font-size: clamp(0.9rem, 2vw, 1rem);
    opacity: 0.7;
    font-weight: 400;
}

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-meta {
        justify-content: center;
    }

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

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

    .contact-item {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        text-align: center;
    }

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

@media (max-width: 480px) {
    nav {
        gap: 1rem;
    }

    .portfolio-grid {
        gap: 1.5rem;
    }
}

/* Animations and Interactions */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--medium-gray);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-black);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary-black);
    outline-offset: 2px;
}

/* Selection styles */
::selection {
    background-color: var(--primary-black);
    color: var(--pure-white);
}