/* ==========================================================================
   Hadi Indrawan — Portfolio
   Cohere-inspired design system: white editorial canvas, deep-green bands,
   tight display type, mono labels, flat depth, thin hairline borders.
   ========================================================================== */

:root {
    --canvas: #ffffff;
    --ink: #212121;
    --primary: #17171c;
    --deep-green: #003c33;
    --dark-navy: #071829;
    --stone: #eeece7;
    --pale-green: #edfce9;
    --pale-blue: #f1f5ff;
    --coral: #ff7759;
    --coral-soft: #ffad9b;
    --action-blue: #1863dc;
    --muted: #93939f;
    --slate: #75758a;
    --body-muted: #616161;
    --hairline: #d9d9dd;
    --card-border: #f2f2f2;
    --focus-blue: #4c6ee6;

    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-pill: 9999px;
}

/* Rounded utility aliases used in markup */
.rounded-xs { border-radius: var(--radius-xs); }
.rounded-sm { border-radius: var(--radius-sm); }

/* Base --------------------------------------------------------------------- */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    background: var(--canvas);
    color: var(--ink);
}

::selection {
    background: var(--deep-green);
    color: #fff;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--canvas); }
::-webkit-scrollbar-thumb {
    background: var(--hairline);
    border-radius: 999px;
    border: 3px solid var(--canvas);
}
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* Focus states ------------------------------------------------------------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--focus-blue);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}

/* Scroll reveal ------------------------------------------------------------ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: opacity, transform;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
.animate-fadeInUp { animation: fadeInUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) both; }

/* Navigation --------------------------------------------------------------- */
#navbar { transition: box-shadow 0.3s ease, background 0.3s ease; }
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--hairline);
}

/* Nav links (populated by JS) */
#desktop-nav a {
    position: relative;
    color: var(--ink);
    padding: 4px 0;
}
#desktop-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    height: 1px;
    width: 0;
    background: var(--deep-green);
    transition: width 0.3s ease;
}
#desktop-nav a:hover::after,
#desktop-nav a.active::after { width: 100%; }

/* Companies / trust strip -------------------------------------------------- */
.company-mark {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
    color: var(--slate);
    transition: color 0.25s ease, opacity 0.25s ease;
    opacity: 0.75;
    white-space: nowrap;
}
.company-mark:hover { color: var(--ink); opacity: 1; }

/* Capability cards --------------------------------------------------------- */
.skill-card {
    background: var(--canvas);
    padding: 28px 24px;
    transition: background 0.3s ease;
}
.skill-card:hover { background: var(--pale-green); }
.skill-card .cap-icon {
    color: var(--deep-green);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.skill-card:hover .cap-icon { transform: translateY(-2px) rotate(-4deg); }

/* Project product-cards ---------------------------------------------------- */
.project-card {
    background: var(--stone);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid transparent;
    transition: border-color 0.3s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    cursor: pointer;
}
.project-card:hover {
    border-color: var(--hairline);
    transform: translateY(-4px);
}
.project-card img { transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1); }
.project-card:hover img { transform: scale(1.04); }

/* Tool icons --------------------------------------------------------------- */
.tool-icon {
    text-align: center;
    transition: transform 0.3s ease;
}
.tool-icon img {
    filter: grayscale(0.55);
    opacity: 0.88;
    transition: filter 0.3s ease, opacity 0.3s ease;
}
.tool-icon:hover img { filter: grayscale(0); opacity: 1; }
.tool-icon:hover { transform: translateY(-3px); }
.tool-icon h4 {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    line-height: 1.3;
}

/* Stack mono chips --------------------------------------------------------- */
.stack-chip {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.02em;
    color: var(--ink);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-xs);
    padding: 5px 10px;
    transition: border-color 0.25s ease, background 0.25s ease;
}
.stack-chip:hover { border-color: var(--deep-green); background: var(--pale-green); }

/* Experience rows ---------------------------------------------------------- */
.exp-row {
    border-bottom: 1px solid var(--hairline);
    padding: 28px 0;
    transition: background 0.3s ease;
}
.exp-row summary { list-style: none; cursor: pointer; }
.exp-row summary::-webkit-details-marker { display: none; }
.exp-row .exp-chevron { transition: transform 0.35s ease; }
.exp-row[open] .exp-chevron { transform: rotate(180deg); }
.exp-row[open] .exp-detail { animation: fadeInUp 0.4s ease both; }

/* List rows (writing / speaking / libraries / education) ------------------- */
.list-row {
    display: block;
    border-bottom: 1px solid var(--hairline);
    padding: 18px 0;
    transition: padding-left 0.3s ease;
}
a.list-row:hover { padding-left: 8px; }
a.list-row:hover .list-title { color: var(--action-blue); }

/* Coral taxonomy chips */
.chip-coral {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.02em;
    color: var(--coral);
    border: 1px solid var(--coral-soft);
    border-radius: var(--radius-xs);
    padding: 2px 8px;
    white-space: nowrap;
}

/* Tech pills inside project cards / modal */
.tech-pill {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--ink);
    background: rgba(0, 0, 0, 0.04);
    border-radius: var(--radius-xs);
    padding: 3px 9px;
}

/* Status pill in project cards */
.status-pill {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--deep-green);
}

/* Social links ------------------------------------------------------------- */
.social-link {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}
.social-link:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}
/* Social links on light surfaces (if reused) */
.social-link.on-light {
    color: var(--slate);
    border-color: var(--hairline);
}
.social-link.on-light:hover { color: var(--ink); border-color: var(--ink); }

/* Agent console subtle sheen ---------------------------------------------- */
.agent-console { box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.35); }

/* Project modal ------------------------------------------------------------ */
#projectImageModal {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}
#projectImageModal .rounded-card {
    transform: scale(0.96);
    transition: transform 0.3s ease-in-out;
}
#projectImageModal:not(.hidden) { opacity: 1; }
#projectImageModal:not(.hidden) .rounded-card { transform: scale(1); }

/* Loading ------------------------------------------------------------------ */
.loading { opacity: 0; transition: opacity 0.3s ease; }
.loaded  { opacity: 1; }

/* Reduced motion ----------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
}

/* Responsive --------------------------------------------------------------- */
@media (max-width: 768px) {
    .skill-card { padding: 24px 20px; }
    .exp-row { padding: 22px 0; }
}