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

:root {
    --black: #000000;
    --bg: #0a0a0a;
    --bg-light: #111111;
    --bg-card: #141414;
    --border: #1e1e1e;
    --border-hover: #333333;
    --text: #e0e0e0;
    --text-muted: #777777;
    --text-dim: #555555;
    --white: #ffffff;
    --accent: #a0a0a0;
    --radius: 2px;
    --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--white);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color var(--transition);
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 24px;
    height: 16px;
    position: relative;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    background: var(--white);
    position: absolute;
    left: 0;
    transition: var(--transition);
}

.nav-toggle span:first-child { top: 0; }
.nav-toggle span:last-child { bottom: 0; }

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

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(30, 30, 30, 0.4) 0%, transparent 70%),
        linear-gradient(180deg, var(--bg) 0%, var(--black) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 160px 24px 120px;
}

.hero-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 300;
    letter-spacing: -0.03em;
    line-height: 1.05;
    color: var(--white);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 300;
    color: var(--text-muted);
    max-width: 520px;
    line-height: 1.7;
    margin-bottom: 48px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 1;
}

.hero-scroll span {
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--text-dim) 0%, transparent 100%);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ===== Button ===== */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    border: 1px solid var(--border-hover);
    background: transparent;
    transition: var(--transition);
    cursor: pointer;
}

.btn:hover {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

/* ===== Sections ===== */
.section {
    padding: 120px 0;
}

.section-dark {
    background: var(--black);
}

.section-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.section-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-dim);
    padding-top: 8px;
}

.section-title {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 24px;
}

.section-text {
    font-size: 16px;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 600px;
    margin-bottom: 16px;
}

/* ===== Stats ===== */
.stats {
    display: flex;
    gap: 60px;
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 300;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
}

/* ===== Portfolio ===== */
.portfolio-group {
    margin-bottom: 80px;
}

.portfolio-group:last-child {
    margin-bottom: 0;
}

.portfolio-group-title {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.portfolio-group-line {
    display: block;
    width: 40px;
    height: 1px;
    background: var(--border-hover);
}

.portfolio-featured-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 80px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.portfolio-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.portfolio-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.portfolio-card:hover::before {
    opacity: 1;
}

.portfolio-card-inner {
    position: relative;
    padding: 36px 32px;
    min-height: 180px;
    display: flex;
    flex-direction: column;
}

.portfolio-card-featured .portfolio-card-inner {
    min-height: 220px;
    padding: 48px 40px;
}

.portfolio-card-img {
    height: 48px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    object-position: left;
    margin-bottom: 12px;
    filter: brightness(0) invert(1);
}

.portfolio-card-featured .portfolio-card-img {
    height: 48px;
    max-width: 220px;
}

.portfolio-card-img-noinvert {
    filter: none;
    height: 64px;
    object-fit: cover;
}

.portfolio-card-img-bootloop {
    filter: brightness(0) invert(1);
    height: 48px;
    object-fit: none;
    object-position: center;
}

.portfolio-card-logo {
    font-size: 22px;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}

.portfolio-card-featured .portfolio-card-logo {
    font-size: 28px;
}

.portfolio-card-desc {
    font-size: 14px;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
}

.portfolio-card-arrow {
    font-size: 20px;
    color: var(--text-dim);
    transition: var(--transition);
    align-self: flex-end;
    margin-top: 16px;
}

.portfolio-card:hover .portfolio-card-arrow {
    color: var(--white);
    transform: translateX(4px);
}

/* ===== Footer ===== */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.footer-copy {
    font-size: 12px;
    color: var(--text-dim);
}

/* ===== Scroll Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .section-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats {
        gap: 40px;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 10, 0.97);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        z-index: 99;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: 18px;
    }

    .nav-toggle {
        display: block;
        z-index: 101;
    }

    .nav-toggle.open span:first-child {
        top: 50%;
        transform: rotate(45deg);
    }

    .nav-toggle.open span:last-child {
        bottom: 50%;
        transform: rotate(-45deg);
    }

    .hero-content {
        padding: 140px 24px 100px;
    }

    .section {
        padding: 80px 0;
    }

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

    .stats {
        flex-direction: column;
        gap: 32px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}