/* ============================================================
   PROJECTS PAGE  –  projects.css
   Requires: style.css (globals, navbar, footer, typography)
   ============================================================ */

/* ── Page-level layout ─────────────────────────────────────── */
body {
    overflow-x: hidden;
}

/* ============================================================
   HERO
   ============================================================ */
.proj-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 48vh;
    padding: 5rem 1.5rem 4rem;
    text-align: center;
    overflow: hidden;
}

/* Animated radial glow */
.proj-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 50% 100%, rgba(0, 170, 255, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 80% 20%, rgba(0, 255, 200, 0.07) 0%, transparent 60%);
    pointer-events: none;
}

/* Subtle grid lines texture */
.proj-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 170, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 170, 255, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}

.proj-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.proj-hero__eyebrow {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #00aaff;
    margin: 0 0 1rem;
    animation: slideInDown 0.7s ease;
}

.proj-hero__title {
    font-family: var(--font-family-heading);
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    font-weight: 700;
    color: #f0f0f0;
    margin: 0 0 1rem;
    line-height: 1.1;
    animation: slideInDown 0.7s ease 0.05s backwards;
}

.proj-hero__accent {
    background: linear-gradient(135deg, #00aaff 0%, #00ffcc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.proj-hero__subtitle {
    font-size: 1.1rem;
    color: #8a9bb0;
    margin: 0;
    line-height: 1.7;
    animation: slideInUp 0.7s ease 0.15s backwards;
}

/* Scroll indicator */
.proj-hero__scroll-hint {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.proj-hero__scroll-hint span {
    display: block;
    width: 1.5px;
    height: 50px;
    background: linear-gradient(to bottom, #00aaff, transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
        transform-origin: top;
    }
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.proj-filters {
    position: sticky;
    top: var(--navbar-height);
    z-index: 100;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.75rem 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hide filter bar — slides up to meet navbar then exits together */
.proj-filters--hidden {
    transform: translateY(calc(-100% - var(--navbar-height)));
    opacity: 0;
    pointer-events: none;
}

.proj-filters__inner {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.proj-filter-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    color: #8a9bb0;
    cursor: pointer;
    font-family: var(--font-family-sans-serif);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    padding: 0.45rem 1.1rem;
    transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.2s;
    white-space: nowrap;
}

.proj-filter-btn:hover {
    background: rgba(0, 170, 255, 0.1);
    border-color: rgba(0, 170, 255, 0.3);
    color: #c0d8f0;
    transform: translateY(-1px);
}

.proj-filter-btn.active {
    background: linear-gradient(135deg, rgba(0, 170, 255, 0.25), rgba(0, 255, 200, 0.15));
    border-color: rgba(0, 170, 255, 0.5);
    color: #00aaff;
    font-weight: 600;
}

/* ============================================================
   MAIN & GRID
   ============================================================ */
.proj-main {
    max-width: 1300px;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

.proj-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.75rem;
}

/* ============================================================
   PROJECT CARD
   ============================================================ */
.proj-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1),
        box-shadow 0.35s cubic-bezier(0.23, 1, 0.32, 1),
        border-color 0.35s ease;
    will-change: transform;
}

.proj-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 170, 255, 0.25);
    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(0, 170, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* Filtered-out cards */
.proj-card.hidden {
    display: none;
}

/* ── Scroll-reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.65s ease, transform 0.65s cubic-bezier(0.23, 1, 0.32, 1);
}

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

/* ── Media block ── */
.proj-card__media {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #111;
    flex-shrink: 0;
}

/* ── Gallery ── */
.proj-card__gallery {
    width: 100%;
    height: 100%;
    position: relative;
}

.proj-card__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    opacity: 0;
    transition: opacity 0.55s ease;
}

.proj-card__img.active {
    opacity: 1;
}

/* Auto-cycle on card hover is handled by JS */

/* ── Video ── */
.proj-card__video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.proj-card:hover .proj-card__video {
    transform: scale(1.03);
}

.proj-card__media-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: opacity 0.3s ease;
}

.proj-card__play-btn {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(0, 170, 255, 0.9);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s ease, background 0.25s ease;
    flex-shrink: 0;
}

.proj-card__play-btn svg {
    width: 22px;
    height: 22px;
    fill: #fff;
    margin-left: 3px;
    /* optical center for play icon */
}

.proj-card__play-btn:hover {
    transform: scale(1.12);
    background: #00aaff;
}

/* hide overlay once video is playing */
.proj-card__media-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

/* ── Dots ── */
.proj-card__dots {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 5px;
    z-index: 5;
}

.proj-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 1.5px solid rgba(0, 0, 0, 0.5);
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    padding: 0;
    transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
    flex-shrink: 0;
}

.proj-dot:hover {
    background: #fff;
}

.proj-dot.active {
    background: #00aaff;
    border-color: rgba(0, 60, 120, 0.6);
    box-shadow: 0 0 8px rgba(0, 170, 255, 0.9), 0 1px 5px rgba(0, 0, 0, 0.7);
    transform: scale(1.4);
}

/* ── Badge ── */
.proj-card__badge {
    position: absolute;
    top: 12px;
    right: 12px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 0.3rem 0.75rem;
    z-index: 5;
}

.proj-card__badge--highlight {
    background: linear-gradient(135deg, rgba(255, 200, 0, 0.2), rgba(255, 140, 0, 0.15));
    border: 1px solid rgba(255, 200, 0, 0.35);
    color: #ffc800;
}

/* ── Body ── */
.proj-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.4rem 1.5rem 1.5rem;
}

/* ── Tags ── */
.proj-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.85rem;
}

.proj-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.25rem 0.65rem;
    border-radius: 100px;
    border: 1px solid transparent;
}

.proj-tag--web {
    background: rgba(0, 170, 255, 0.12);
    border-color: rgba(0, 170, 255, 0.3);
    color: #60c8ff;
}

.proj-tag--hardware {
    background: rgba(0, 220, 130, 0.1);
    border-color: rgba(0, 220, 130, 0.3);
    color: #00dc82;
}

.proj-tag--csharp {
    background: rgba(140, 100, 255, 0.12);
    border-color: rgba(140, 100, 255, 0.3);
    color: #b89cff;
}

.proj-tag--status {
    background: rgba(255, 140, 0, 0.1);
    border-color: rgba(255, 140, 0, 0.3);
    color: #ff9640;
}

/* ── Title ── */
.proj-card__title {
    font-family: var(--font-family-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: #f0f0f0;
    margin: 0 0 0.65rem;
    line-height: 1.25;
    transition: color 0.25s;
}

.proj-card:hover .proj-card__title {
    color: #00aaff;
}

/* ── Description ── */
.proj-card__desc {
    font-size: 0.9rem;
    color: #8a9bb0;
    line-height: 1.7;
    margin: 0 0 0.9rem;
}

/* ── Bullets ── */
.proj-card__bullets {
    list-style: none;
    margin: 0 0 1.25rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.proj-card__bullets li {
    font-size: 0.82rem;
    color: #6a7f95;
    padding-left: 1.1rem;
    position: relative;
}

.proj-card__bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #00aaff;
}

/* ── Footer / CTA ── */
.proj-card__footer {
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.proj-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-family-sans-serif);
    font-size: 0.85rem;
    font-weight: 600;
    color: #00aaff;
    text-decoration: none;
    padding: 0.55rem 1.1rem;
    border: 1px solid rgba(0, 170, 255, 0.3);
    border-radius: 100px;
    background: rgba(0, 170, 255, 0.06);
    transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.2s;
}

.proj-btn:hover {
    background: rgba(0, 170, 255, 0.18);
    border-color: rgba(0, 170, 255, 0.6);
    color: #40c8ff;
    transform: translateX(2px);
}

.proj-btn__icon {
    width: 14px;
    height: 14px;
    fill: currentColor;
    flex-shrink: 0;
}

/* ── Card cursor hint ── */
.proj-card {
    cursor: pointer;
}

/* ============================================================
   MODAL OVERLAY
   ============================================================ */
.proj-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.proj-modal-backdrop.open {
    opacity: 1;
    pointer-events: all;
}

.proj-modal {
    position: relative;
    background: #111318;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 22px;
    max-width: 960px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(0, 170, 255, 0.1);
    transform: translateY(24px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.proj-modal-backdrop.open .proj-modal {
    transform: translateY(0) scale(1);
}

/* close button */
.proj-modal__close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #c0c0c0;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
    z-index: 10;
    flex-shrink: 0;
    line-height: 1;
}

.proj-modal__close:hover {
    background: rgba(255, 60, 60, 0.22);
    color: #ff6060;
}

/* Left: big gallery */
.proj-modal__gallery {
    position: relative;
    aspect-ratio: 4 / 3;
    background: #0a0a0f;
    border-radius: 22px 0 0 22px;
    overflow: hidden;
    flex-shrink: 0;
}

.proj-modal__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    padding: 0.75rem;
    opacity: 0;
    transition: opacity 0.45s ease;
}

.proj-modal__img.active {
    opacity: 1;
}

.proj-modal__video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* gallery nav arrows */
.proj-modal__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
    z-index: 5;
    transition: background 0.2s;
    flex-shrink: 0;
}

.proj-modal__arrow:hover {
    background: rgba(0, 170, 255, 0.35);
}

.proj-modal__arrow--prev {
    left: 10px;
}

.proj-modal__arrow--next {
    right: 10px;
}

.proj-modal__arrow svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* modal dots */
.proj-modal__dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 7px;
    z-index: 5;
}

/* image counter */
.proj-modal__counter {
    position: absolute;
    top: 12px;
    left: 14px;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.5);
    background: rgba(0, 0, 0, 0.45);
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    z-index: 5;
}

/* Right: content */
.proj-modal__body {
    padding: 2rem 2rem 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    max-height: 90vh;
}

.proj-modal__body::-webkit-scrollbar {
    width: 3px;
}

.proj-modal__body::-webkit-scrollbar-track {
    background: transparent;
}

.proj-modal__body::-webkit-scrollbar-thumb {
    background: rgba(0, 170, 255, 0.25);
    border-radius: 4px;
}

.proj-modal__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.proj-modal__title {
    font-family: var(--font-family-heading);
    font-size: 1.55rem;
    font-weight: 700;
    color: #f0f0f0;
    margin: 0 0 0.9rem;
    line-height: 1.2;
    padding-right: 2rem;
    /* don't overlap close btn */
}

.proj-modal__desc {
    font-size: 0.92rem;
    color: #8a9bb0;
    line-height: 1.75;
    margin: 0 0 1rem;
}

.proj-modal__bullets {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.proj-modal__bullets li {
    font-size: 0.88rem;
    color: #788da0;
    padding-left: 1.2rem;
    position: relative;
    line-height: 1.55;
}

.proj-modal__bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00aaff, #00ffcc);
}

.proj-modal__cta {
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* responsive modal */
@media (max-width: 680px) {
    .proj-modal {
        grid-template-columns: 1fr;
        max-height: 95vh;
        overflow-y: auto;
    }

    .proj-modal__gallery {
        aspect-ratio: 16 / 9;
        border-radius: 22px 22px 0 0;
    }

    .proj-modal__body {
        max-height: none;
        padding: 1.4rem;
    }
}

/* ── Empty state ── */
.proj-empty {
    text-align: center;
    padding: 5rem 0;
    color: #4a5568;
    font-size: 1.1rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .proj-hero {
        min-height: 42vh;
        padding: 4rem 1.2rem 3rem;
    }

    .proj-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .proj-filters__inner {
        gap: 0.4rem;
    }

    .proj-filter-btn {
        font-size: 0.78rem;
        padding: 0.4rem 0.85rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .proj-card {
        transition: none;
    }

    .proj-card__img,
    .proj-card__video {
        transition: none;
    }
}