/* =============================================
   HOME — Editorial, typography-first
   Portfolica restraint + Launchfolio card pile
   ============================================= */

:root {
    --bg:           #FAFAFA;
    --surface:      #FFFFFF;
    --text-1:       #111111;
    --text-2:       #444444;
    --text-3:       #777777;
    --border:       #E5E5E5;
    --ease:         cubic-bezier(0.16, 1, 0.3, 1);

    /* Typography scale */
    --hero-size:    clamp(2.5rem, 5vw, 3.75rem);  /* 40–60px */
    --h2-size:      clamp(1.375rem, 2vw, 1.75rem); /* 22–28px */
    --h3-size:      clamp(1.125rem, 1.5vw, 1.375rem); /* 18–22px */
    --body-size:    1rem;        /* 16px */
    --meta-size:    0.8125rem;   /* 13px */

    --max-w:        720px;
    --max-w-wide:   1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: var(--bg);
    color: var(--text-1);
    font-family: 'Inter', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
    font-size: var(--body-size);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* =============================================
   NAV — minimal top strip, sticky
   ============================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 250, 250, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.site-nav {
    max-width: var(--max-w-wide);
    margin: 0 auto;
    padding: 0 2.5rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: var(--body-size);
    font-weight: 600;
    color: var(--text-1);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: var(--meta-size);
    font-weight: 500;
    color: var(--text-3);
    text-decoration: none;
    transition: color 0.15s ease;
    letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-1);
}

/* =============================================
   HERO — text left, card pile right
   ============================================= */
.hero {
    max-width: var(--max-w-wide);
    margin: 0 auto;
    padding: 6rem 2.5rem 5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    min-height: calc(100vh - 60px);
}

.hero-left {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s var(--ease) 0.05s forwards;
}

.hero-label {
    display: inline-block;
    font-size: var(--meta-size);
    font-weight: 500;
    color: var(--text-3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: var(--hero-size);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.035em;
    color: var(--text-1);
    margin-bottom: 1.5rem;
}

.hero-title em {
    font-style: normal;
    color: #AAAAAA;
}

.hero-sub {
    font-size: var(--body-size);
    color: var(--text-2);
    line-height: 1.7;
    max-width: 380px;
}

/* ---- Card pile ---- */
.hero-right {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    animation: fadeIn 0.9s var(--ease) 0.2s forwards;
}

.card-pile {
    position: relative;
    width: 420px;
    height: 320px;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-10px); }
}

.pile-card {
    position: absolute;
    width: 380px;
    height: 280px;
    border-radius: 12px;
    overflow: hidden;
    top: 20px;
    left: 20px;
    transform-origin: bottom center;
    transition: transform 0.5s var(--ease);
}

.pile-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pile-card--2 {
    transform: rotate(-7deg) translate(-10px, 6px);
    z-index: 1;
    filter: brightness(0.75);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.pile-card--1 {
    transform: rotate(4deg) translate(8px, 3px);
    z-index: 2;
    filter: brightness(0.88);
    box-shadow: 0 12px 40px rgba(0,0,0,0.14);
}
.pile-card--0 {
    transform: rotate(-1deg);
    z-index: 3;
    filter: brightness(1);
    box-shadow: 0 16px 48px rgba(0,0,0,0.16);
}

.card-pile:hover .pile-card--2 { transform: rotate(-13deg) translate(-22px, 8px); }
.card-pile:hover .pile-card--1 { transform: rotate(9deg)  translate(18px, 5px); }
.card-pile:hover .pile-card--0 { transform: rotate(-1deg) translateY(-8px); }

/* =============================================
   DIVIDER
   ============================================= */
.section-divider {
    max-width: var(--max-w-wide);
    margin: 0 auto;
    padding: 0 2.5rem;
    border: none;
    border-top: 1px solid var(--border);
}

/* =============================================
   PROJECTS — editorial list + 2-col grid hybrid
   ============================================= */
.projects-section {
    max-width: var(--max-w-wide);
    margin: 0 auto;
    padding: 4rem 2.5rem 6rem;
}

.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 2.5rem;
}

.section-title {
    font-size: var(--h2-size);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-1);
}

.section-link {
    font-size: var(--meta-size);
    color: var(--text-3);
    text-decoration: none;
    transition: color 0.15s ease;
}
.section-link:hover { color: var(--text-1); }

/* Projects grid */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;          /* tight seam between cards */
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 3rem;
}

.project-card {
    background: var(--surface);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card-inner {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 0;
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: #111;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.55s var(--ease), filter 0.4s ease;
    filter: brightness(0.95);
}

.project-card:hover .project-image img {
    transform: scale(1.03);
    filter: brightness(0.8);
}

.project-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay { opacity: 1; }

.view-label {
    font-size: var(--meta-size);
    font-weight: 600;
    color: #fff;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(6px);
    padding: 8px 18px;
    border-radius: 100px;
    letter-spacing: 0.02em;
}

.project-info {
    padding: 1.25rem 1.5rem 1.5rem;
    border-top: 1px solid var(--border);
}

.project-name-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.2rem;
}

.project-name {
    font-size: var(--h3-size);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-1);
}

.project-arrow {
    font-size: 1rem;
    color: var(--text-3);
    text-decoration: none;
    transition: transform 0.2s ease, color 0.2s ease;
    display: inline-block;
}

.project-card:hover .project-arrow {
    transform: translate(3px, -3px);
    color: var(--text-1);
}

.project-category {
    font-size: var(--meta-size);
    color: var(--text-3);
}

.projects-footer {
    text-align: center;
}

.view-all-link {
    font-size: var(--meta-size);
    font-weight: 500;
    color: var(--text-3);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 2px;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.view-all-link:hover {
    color: var(--text-1);
    border-color: var(--text-1);
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 2.5rem;
}

.footer-inner {
    max-width: var(--max-w-wide);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-name {
    font-size: var(--meta-size);
    font-weight: 600;
    color: var(--text-1);
}

.footer-copy {
    font-size: var(--meta-size);
    color: var(--text-3);
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    to { opacity: 1; }
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 860px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 4rem 1.5rem 3rem;
        min-height: auto;
        gap: 3rem;
    }

    .hero-right {
        justify-content: flex-start;
    }

    .card-pile { width: 320px; height: 240px; }
    .pile-card { width: 286px; height: 210px; }

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

    .site-nav { padding: 0 1.5rem; }
    .projects-section { padding: 3rem 1.5rem 4rem; }
    .section-divider { padding: 0 1.5rem; }
    .site-footer { padding: 1.5rem; }
}