:root {
    --bg1: #f3f8f7;
    --bg2: #d8ece8;
    --text: #0c1f1d;
    --subtext: #385754;
    --card: rgba(255,255,255,0.72);
    --shadow: rgba(0,0,0,0.12);
    --filter-bg: rgba(255,255,255,0.82);
    --overlay: rgba(0,0,0,0.52);
    --lightbox: rgba(0,0,0,0.92);
    --topbar: rgba(255,255,255,0.62);
    --accent: #004643;
    --accent-2: #0b6b66;
    --accent-soft: #d7ebe8;
    --button-text: #f7fffe;
}

body.dark {
    --bg1: #031110;
    --bg2: #082623;
    --text: #edf9f7;
    --subtext: #bed7d3;
    --card: rgba(255,255,255,0.08);
    --shadow: rgba(0,0,0,0.42);
    --filter-bg: rgba(255,255,255,0.08);
    --overlay: rgba(0,0,0,0.66);
    --lightbox: rgba(4,10,10,0.96);
    --topbar: rgba(255,255,255,0.05);
    --accent: #004643;
    --accent-2: #0f6c66;
    --accent-soft: rgba(0,70,67,0.28);
    --button-text: #f4fffd;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    background: linear-gradient(135deg, var(--bg1) 0%, var(--bg2) 100%);
    min-height: 100vh;
    transition: background 0.5s ease, color 0.5s ease;
    color: var(--text);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 22px;
    background: var(--topbar);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 10px;
}

.topbar-right a, .topbar-right button {
  color: inherit;
  font-size: 1.6rem;
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
}

.topbar-right a:hover, .topbar-right button:hover {
  opacity: 0.8;
}

.icon-btn {
  background: rgba(0,70,67,0.08);
  border: 1px solid rgba(0,70,67,0.16);
  color: var(--accent);
  font-size: 20px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  transition: all 0.3s ease;
  box-shadow: 0 10px 22px rgba(0,0,0,0.08);
}

body.dark .icon-btn {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
  color: #dff5f2;
}

.icon-btn:hover {
  transform: translateY(-2px);
  background: var(--accent);
  color: var(--button-text);
  box-shadow: 0 14px 26px rgba(0,70,67,0.24);
}

.brand-block h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.35rem;
    line-height: 1;
    letter-spacing: 0.6px;
    color: var(--text);
    margin-bottom: 4px;
    text-shadow: 0 1px 0 rgba(255,255,255,0.15);
}

.brand-block h2 {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--subtext);
}

.topbar-center {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.topbar-center a {
    text-decoration: none;
    color: var(--text);
    background: var(--card);
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.12);
    transition: all 0.3s ease;
    font-size: 0.92rem;
}

.topbar-center a:hover {
    transform: translateY(-2px);
    background: rgba(255,255,255,0.18);
}

.theme-toggle {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    background: rgba(0,70,67,0.08);
    color: var(--accent);
    font-size: 1rem;
    border: 1px solid rgba(0,70,67,0.16);
    transition: all 0.3s ease;
}

body.dark .theme-toggle {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.12);
    color: #dff5f2;
}

.theme-toggle:hover {
    transform: scale(1.05);
    background: var(--accent);
    color: var(--button-text);
}

.gallery {
    padding: 70px 0 60px;
    width: 100%;
}

.container {
    max-width: 1320px;
    margin: auto;
    padding: 0 15px;
}

.container h1 {
    text-align: center;
    font-family: 'Playfair Display', serif;
    color: var(--text);
    font-size: 3.2rem;
    margin-bottom: 12px;
    letter-spacing: 1px;
    text-shadow: 0 10px 30px rgba(0,0,0,0.10);
}

.container p {
    text-align: center;
    margin: 0 auto 35px;
    max-width: 720px;
    color: var(--subtext);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.gallery-filter {
    width: 100%;
    text-align: center;
    margin-bottom: 30px;
}

.filter-item {
    color: var(--text);
    font-size: 17px;
    border: 1px solid rgba(0,70,67,0.18);
    text-transform: uppercase;
    display: inline-block;
    border-radius: 25px;
    margin: 0 5px 10px;
    cursor: pointer;
    padding: 10px 25px;
    transition: all 0.3s ease;
    background: var(--filter-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.06);
}

.filter-item:hover, .filter-item.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--button-text);
    transform: translateY(-2px);
    box-shadow: 0 14px 26px rgba(0,70,67,0.22);
}

.gallery-grid {
    column-count: 4;
    column-gap: 18px;
    padding: 10px 0;
}

.gallery-item {
    width: 100%;
    display: inline-block;
    margin: 0 0 18px;
    break-inside: avoid;
    opacity: 1;
    animation: fadeIn 0.5s ease;
    transition: transform 0.35s ease, opacity 0.35s ease;
}

.gallery-item-inner {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    box-shadow: 0 14px 35px var(--shadow);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    cursor: pointer;
}

.gallery-item-inner:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 18px 45px rgba(0,0,0,0.25);
}

.gallery-item-inner img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.45s ease;
}

.gallery-item-inner:hover img {
    transform: scale(1.06);
}

.overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.35s ease;
    color: white;
    font-size: 2rem;
}

.gallery-item-inner:hover .overlay {
    opacity: 1;
}

.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    inset: 0;
    background: var(--lightbox);
    animation: fadeIn 0.25s ease;
    padding: 20px;
}

.lightbox.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-nav {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1100px;
    height: 100%;
}

.lightbox-img {
    max-width: 82vw;
    max-height: 82vh;
    object-fit: contain;
    border-radius: 18px;
    box-shadow: 0 24px 70px rgba(0,0,0,0.55);
    transition: opacity 0.4s ease, transform 0.4s ease, filter 0.4s ease;
    transform-origin: center center;
    background: #111;
    opacity: 1;
}

.lightbox-img.changing {
    opacity: 0;
    transform: scale(0.92);
    filter: blur(4px);
}

.close {
    position: absolute;
    top: 18px;
    right: 24px;
    color: #fff;
    font-size: 42px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
}

.prev, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.16);
    color: white;
    font-size: 22px;
    padding: 14px 16px;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.prev:hover, .next:hover {
    background: var(--accent);
    transform: translateY(-50%) scale(1.08);
}

.prev {
    left: 18px;
}

.next {
    right: 18px;
}

.gallery-item.hide {
    display: none;
}

.gallery-item.show {
    display: inline-block;
}

@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1200px) {
    .gallery-grid {
        column-count: 3;
    }
}

@media (max-width: 992px) {
    .gallery-grid {
        column-count: 2;
    }
    .container h1 {
        font-size: 2.4rem;
    }
    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }
    .topbar-center {
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    .gallery {
        padding: 60px 0 50px;
    }
    .gallery-grid {
        column-count: 2;
        column-gap: 12px;
    }
    .filter-item {
        padding: 8px 14px;
        font-size: 13px;
        margin: 0 3px 8px;
    }
    .lightbox-img {
        max-width: 90vw;
        max-height: 70vh;
    }
    .prev, .next {
        padding: 10px 12px;
        font-size: 18px;
    }
    .close {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        column-count: 1;
    }
    .container h1 {
        font-size: 1.8rem;
    }
    .gallery-filter {
        display: flex;
        justify-content: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    .filter-item {
        font-size: 12px;
        padding: 7px 12px;
    }
    .lightbox-nav {
        flex-direction: column;
        justify-content: center;
    }
    .lightbox-img {
        max-width: 92vw;
        max-height: 60vh;
    }
    .prev, .next {
        top: auto;
        bottom: 18px;
        transform: none;
    }
    .prev {
        left: 18px;
    }
    .next {
        right: 18px;
    }
    .topbar-center a {
        font-size: 0.82rem;
        padding: 8px 11px;
    }
}

/* =========================
   VISTAGRID FOOTER
========================= */

.footer-bottom{
    width: 100%;
    margin-top: 50px;
    padding: 22px 15px;

    text-align: center;

    background: var(--topbar);
    backdrop-filter: blur(16px);

    border-top: 1px solid rgba(255,255,255,0.12);

    color: var(--subtext);

    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.04em;

    box-shadow: 0 -8px 24px var(--shadow);

    transition:
        background 0.5s ease,
        color 0.5s ease,
        border 0.5s ease;
}

/* =========================
   DARK MODE AUTO MATCH
========================= */

body.dark .footer-bottom{
    border-top: 1px solid rgba(255,255,255,0.08);
}

/* =========================
   FOOTER TEXT
========================= */

.footer-bottom p{
    margin: 0;
    color: inherit;
}

/* =========================
   MOBILE
========================= */

@media(max-width:768px){

    .footer-bottom{
        padding: 18px 10px;
        font-size: 0.85rem;
    }

}