/* Blueart Dekorasyon — Mobile-first */

:root {
    --bg: #0b0d12;
    --bg-2: #11141b;
    --bg-card: #161a23;
    --text: #f1f3f6;
    --muted: #9aa3b2;
    --accent: #38b6ee;
    --accent-rgb: 56, 182, 238;
    --accent-dim: rgba(var(--accent-rgb), 0.14);
    --on-accent: #fff;
    --brand-navy: #283895;
    --brand-blue: #006cb8;
    --brand-cyan: #00adef;
    --grad-brand: linear-gradient(135deg, #283895 0%, #006cb8 55%, #0098d8 100%);
    --grad-line: linear-gradient(90deg, #283895, #006cb8 40%, #00adef);
    --grad-silver: linear-gradient(135deg, #ffffff 0%, #d2d4d5 50%, #a7a9ab 100%);
    --border: rgba(255, 255, 255, 0.08);
    --radius: 12px;
    --radius-lg: 20px;
    --font: 'DM Sans', system-ui, sans-serif;
    --display: 'Playfair Display', Georgia, serif;
    --header-main-h: 76px;
    --header-h: var(--header-main-h);
    --bottom-bar-h: 64px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);

    /* Apple-style glass */
    --glass-blur: blur(24px) saturate(180%);
    --glass-blur-strong: blur(40px) saturate(200%);
    --glass-bg: rgba(255, 255, 255, 0.07);
    --glass-bg-dark: rgba(13, 16, 22, 0.62);
    --glass-bg-dark-solid: rgba(13, 16, 22, 0.88);
    --glass-border: rgba(255, 255, 255, 0.14);
    --glass-border-soft: rgba(255, 255, 255, 0.08);
    --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.12);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: var(--bottom-bar-h);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

.container {
    width: min(100% - 2rem, 1140px);
    margin-inline: auto;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 9999;
    padding: 0.5rem 1rem;
    background: var(--grad-brand);
    color: var(--on-accent);
    border-radius: 6px;
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    background: var(--glass-bg-dark);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    backdrop-filter: var(--glass-blur-strong);
    border-bottom: 1px solid var(--glass-border-soft);
    box-shadow: var(--glass-shadow), var(--glass-highlight);
    transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.site-header.scrolled {
    background: var(--glass-bg-dark-solid);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.45), var(--glass-highlight);
}

.header-main {
    position: relative;
}
.header-main::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #283895 0%, #006cb8 25%, rgba(0, 173, 239, 0.35) 60%, transparent 100%);
    pointer-events: none;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-main-h);
    gap: 1.25rem;
}

.logo {
    display: flex;
    align-items: center;
    min-width: 0;
    flex-shrink: 0;
}
.logo img {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.35));
}

.nav-desktop {
    display: none;
    gap: 0.35rem;
    padding: 0.35rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.nav-desktop a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted);
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    transition: color 0.2s, background 0.2s;
}
.nav-desktop a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}
.nav-desktop a.active {
    color: var(--on-accent);
    background: var(--grad-brand);
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(0, 108, 184, 0.4);
}

.header-actions {
    display: none;
    align-items: center;
    gap: 0.5rem;
}
.header-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.65rem 1.15rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 999px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.header-btn:active { transform: scale(0.97); }
.header-btn-wa {
    background: #25d366;
    color: #fff;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}
.header-btn-wa:hover { box-shadow: 0 6px 22px rgba(37, 211, 102, 0.45); }
.header-btn-call {
    background: var(--grad-brand);
    color: var(--on-accent);
    box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.3);
}
.header-btn-call:hover { box-shadow: 0 6px 22px rgba(var(--accent-rgb), 0.4); }

.nav-toggle {
    width: 46px;
    height: 46px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    gap: 7px;
    padding: 10px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s var(--ease), opacity 0.3s, width 0.3s;
}
.nav-toggle span:first-child { width: 22px; }
.nav-toggle span:last-child { width: 16px; }
.nav-toggle.open span:first-child {
    width: 22px;
    transform: translateY(4.5px) rotate(45deg);
}
.nav-toggle.open span:last-child {
    width: 22px;
    transform: translateY(-4.5px) rotate(-45deg);
}

.nav-mobile {
    position: fixed;
    inset: var(--header-h) 0 auto;
    z-index: 99;
    background: var(--glass-bg-dark);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    backdrop-filter: var(--glass-blur-strong);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.5rem 0 1.25rem;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.35s var(--ease), opacity 0.35s;
    box-shadow: var(--glass-shadow);
}
.nav-mobile.open {
    transform: translateY(0);
    opacity: 1;
}
.nav-mobile nav {
    display: flex;
    flex-direction: column;
}
.nav-mobile a {
    padding: 1rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}
.nav-mobile a.active { color: var(--accent); }
.nav-mobile-wa {
    margin: 1rem 1.5rem 0.5rem !important;
    text-align: center;
    padding: 0.9rem !important;
    background: #25d366 !important;
    color: #fff !important;
    border-radius: var(--radius) !important;
    font-weight: 700 !important;
    border: none !important;
}
.nav-mobile-call {
    margin: 0 1.5rem !important;
    text-align: center;
    padding: 0.9rem !important;
    background: var(--grad-brand) !important;
    color: var(--on-accent) !important;
    border-radius: var(--radius) !important;
    font-weight: 700 !important;
    border: none !important;
}

/* WhatsApp FAB */
.whatsapp-fab {
    position: fixed;
    right: 1rem;
    bottom: calc(var(--bottom-bar-h) + 1rem + env(safe-area-inset-bottom, 0px));
    z-index: 90;
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
    transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.whatsapp-fab svg { width: 30px; height: 30px; }
.whatsapp-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}
.whatsapp-fab-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid #25d366;
    animation: wa-pulse 2s ease-out infinite;
    pointer-events: none;
}
.instagram-fab {
    position: fixed;
    right: calc(1rem + 5px);
    bottom: calc(var(--bottom-bar-h) + 1rem + 58px + 0.85rem + env(safe-area-inset-bottom, 0px));
    z-index: 90;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    color: #fff;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285aeb 90%);
    box-shadow: 0 6px 20px rgba(214, 36, 159, 0.4);
    transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.instagram-fab svg { width: 24px; height: 24px; }
.instagram-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 28px rgba(214, 36, 159, 0.55);
}
@keyframes wa-pulse {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(1.45); opacity: 0; }
}

/* Bottom bar — mobile primary nav */
.bottom-bar {
    position: fixed;
    inset: auto 0 0;
    z-index: 100;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    height: var(--bottom-bar-h);
    background: var(--glass-bg-dark);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    backdrop-filter: var(--glass-blur-strong);
    border-top: 1px solid var(--glass-border);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.3), var(--glass-highlight);
    padding-bottom: env(safe-area-inset-bottom, 0);
}
.bottom-bar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: 0.6rem;
    color: var(--muted);
    padding: 0.35rem;
    transition: color 0.2s;
}
.bottom-bar svg { width: 22px; height: 22px; }
.bottom-bar a.active,
.bottom-bar a:hover { color: var(--accent); }
.bottom-bar .bottom-call {
    color: var(--accent);
    position: relative;
}
.bottom-bar .bottom-call svg {
    width: 26px;
    height: 26px;
    padding: 5px;
    background: var(--accent-dim);
    border-radius: 50%;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100svh;
    min-height: 100dvh;
    display: flex;
    align-items: flex-end;
    padding-bottom: calc(var(--bottom-bar-h) + 2rem);
}
.hero-slider {
    position: absolute;
    inset: 0;
}
.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s var(--ease);
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(11, 13, 18, 0.92) 0%,
        rgba(11, 13, 18, 0.45) 45%,
        rgba(11, 13, 18, 0.2) 100%
    );
}
.hero .eyebrow {
    color: #8fd8fb;
    display: inline-block;
    padding: 0.45rem 0.9rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.hero-content {
    position: relative;
    z-index: 2;
    padding-top: calc(var(--header-h) + 3rem);
    padding-bottom: 2rem;
}
.hero h1 {
    font-family: var(--display);
    font-size: clamp(2.25rem, 8vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}
.hero h1 em {
    font-style: italic;
    color: var(--accent);
    background: linear-gradient(100deg, #7fd3fa, #00adef 60%, #2f7fd0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-lead {
    font-size: 1rem;
    color: var(--muted);
    max-width: 32ch;
    margin-bottom: 1.75rem;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}
.hero-dots {
    display: inline-flex;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-soft);
    border-radius: 999px;
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.hero-dots button {
    width: 28px;
    height: 3px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.25);
    transition: background 0.3s, width 0.3s;
}
.hero-dots button.active {
    background: var(--grad-line);
    width: 40px;
}
.scroll-hint {
    position: absolute;
    bottom: calc(var(--bottom-bar-h) + 1rem);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.7rem;
    color: var(--muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounce 2s infinite;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-soft);
    border-radius: 999px;
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.scroll-hint svg { width: 18px; height: 18px; }
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 999px;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
    background: var(--grad-brand);
    color: var(--on-accent);
    box-shadow: 0 4px 16px rgba(0, 108, 184, 0.3);
}
.btn-primary:hover { box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.35); }
.btn-outline {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text);
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.btn-outline:hover {
    border-color: rgba(var(--accent-rgb), 0.5);
    color: var(--accent);
    background: rgba(var(--accent-rgb), 0.1);
}
.btn-block { width: 100%; }

/* Sections */
.section {
    padding: 4rem 0;
}
.section-dark {
    background: var(--bg-2);
    position: relative;
    overflow: hidden;
}
.section-dark::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 10% 40%, rgba(var(--accent-rgb), 0.09), transparent 55%),
        radial-gradient(ellipse 60% 50% at 90% 10%, rgba(40, 56, 149, 0.12), transparent 50%);
    pointer-events: none;
}
.section-dark > .container {
    position: relative;
    z-index: 1;
}
.section-compact-top { padding-top: 1.5rem; }
.eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}
.section-head {
    margin-bottom: 2.5rem;
    max-width: 560px;
}
.section-head h2,
.split-text h2 {
    font-family: var(--display);
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}
.section-desc { color: var(--muted); }
.section-cta { text-align: center; margin-top: 2.5rem; }

.split {
    display: grid;
    gap: 2rem;
    align-items: center;
}
.split-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.split-media img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
}
.split-media.swatch { aspect-ratio: 4/5; min-height: 260px; }
.badge-float {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    padding: 0.75rem 1rem;
    background: var(--glass-bg-dark);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    backdrop-filter: var(--glass-blur-strong);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow), var(--glass-highlight);
}
.badge-float strong { display: block; color: var(--accent); font-size: 0.9rem; }
.badge-float span { font-size: 0.75rem; color: var(--muted); }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.25rem;
    font-weight: 600;
    color: var(--accent);
    font-size: 0.9rem;
}
.link-arrow::after { content: '→'; transition: transform 0.2s; }
.link-arrow:hover::after { transform: translateX(4px); }

/* Services grid */
.service-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}
.service-card {
    display: block;
    position: relative;
    padding: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.service-card:hover {
    border-color: rgba(var(--accent-rgb), 0.4);
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow), var(--glass-highlight);
}
.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    border-radius: 12px;
    display: grid;
    place-items: center;
    color: var(--accent);
    background: linear-gradient(135deg, rgba(40, 56, 149, 0.35), rgba(0, 173, 239, 0.12));
    border: 1px solid rgba(var(--accent-rgb), 0.25);
}
.service-icon svg { width: 24px; height: 24px; }
.service-badge {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    padding: 0.2rem 0.6rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--on-accent);
    background: var(--grad-brand);
    border-radius: 999px;
}
.service-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.service-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.55; }

/* Counters */
.counters {
    padding: 2.5rem 0;
    border-block: 1px solid var(--glass-border-soft);
    position: relative;
}
.counters-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
.counter {
    padding: 1.5rem 1rem;
    text-align: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.counter-value {
    display: block;
    font-family: var(--display);
    font-size: clamp(2rem, 6vw, 2.75rem);
    font-weight: 600;
    line-height: 1.1;
    color: var(--text);
    background: var(--grad-silver);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.35rem;
    font-variant-numeric: tabular-nums;
}
.counter-label {
    display: block;
    font-size: 0.8rem;
    color: var(--muted);
    letter-spacing: 0.02em;
}

/* Gallery preview */
.gallery-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}
.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 1;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}
.gallery-item:hover img { transform: scale(1.06); }

/* Gallery masonry */
.gallery-masonry {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}
.gallery-masonry-item {
    border-radius: var(--radius);
    overflow: hidden;
    padding: 0;
    cursor: pointer;
}
.gallery-masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 1;
    transition: transform 0.4s var(--ease);
}
.gallery-masonry-item:hover img { transform: scale(1.04); }

.gallery-video-item {
    position: relative;
    aspect-ratio: 1;
    background: var(--bg-card);
    border: 1px solid var(--glass-border-soft);
}
.gallery-video-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.gallery-video-play svg {
    width: 56px;
    height: 56px;
    filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.45));
    transition: transform 0.25s var(--ease);
}
.gallery-video-item:hover .gallery-video-play svg { transform: scale(1.1); }
.gallery-video-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--muted);
    background:
        radial-gradient(ellipse 70% 60% at 30% 20%, rgba(var(--accent-rgb), 0.12), transparent 60%),
        var(--bg-card);
}
.gallery-video-placeholder svg {
    width: 52px;
    height: 52px;
    color: var(--accent);
    opacity: 0.8;
}
.gallery-video-placeholder span {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* CTA banner */
.cta-banner {
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
    border-block: 1px solid var(--glass-border-soft);
}
.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 80% at 0% 50%, rgba(var(--accent-rgb), 0.12), transparent 55%),
        linear-gradient(135deg, rgba(22, 26, 35, 0.95), rgba(14, 17, 23, 0.9));
    pointer-events: none;
}
.cta-banner > .container {
    position: relative;
    z-index: 1;
}
.cta-banner-inner {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow), var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.cta-banner h2 {
    font-family: var(--display);
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    margin-bottom: 0.5rem;
}
.cta-banner p { color: var(--muted); }
.cta-banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

/* Page hero */
.page-hero {
    padding: calc(var(--header-h) + 2.5rem) 0 2.5rem;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--glass-border-soft);
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 80% at 80% 20%, rgba(var(--accent-rgb), 0.08), transparent 50%),
        linear-gradient(180deg, var(--bg-2), var(--bg));
    pointer-events: none;
}
.page-hero .container {
    position: relative;
    z-index: 1;
    padding: 2rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow), var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.page-hero .eyebrow {
    display: inline-block;
    padding: 0.4rem 0.85rem;
    background: rgba(var(--accent-rgb), 0.12);
    border: 1px solid rgba(var(--accent-rgb), 0.25);
    border-radius: 999px;
}
.page-hero-compact { padding-bottom: 2rem; }
.page-hero h1 {
    font-family: var(--display);
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}
.page-lead { color: var(--muted); max-width: 50ch; }

/* Features */
.feature-grid {
    display: grid;
    gap: 1.5rem;
}
.feature {
    padding: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    transition: border-color 0.3s, box-shadow 0.3s;
}
.feature:hover {
    border-color: rgba(var(--accent-rgb), 0.3);
    box-shadow: var(--glass-shadow), var(--glass-highlight);
}
.feature-num {
    font-family: var(--display);
    font-size: 2rem;
    color: var(--accent);
    opacity: 0.5;
    display: block;
    margin-bottom: 0.5rem;
}
.feature h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.feature p { font-size: 0.875rem; color: var(--muted); }

/* Service blocks */
.service-list { display: flex; flex-direction: column; gap: 4rem; }
.service-block {
    display: grid;
    gap: 1.5rem;
    align-items: center;
}
.service-block-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.service-block-img img {
    width: 100%;
    aspect-ratio: 16/11;
    object-fit: cover;
}
.service-block-num {
    font-family: var(--display);
    font-size: 3rem;
    color: var(--accent);
    opacity: 0.35;
    line-height: 1;
    display: block;
    margin-bottom: 0.5rem;
}
.service-block-text .service-badge {
    position: static;
    display: inline-block;
    margin-bottom: 0.6rem;
}
.service-block { scroll-margin-top: calc(var(--header-h) + 1.5rem); }
.service-block-text h2 {
    font-family: var(--display);
    font-size: clamp(1.35rem, 4vw, 1.85rem);
    margin-bottom: 0.75rem;
}
.service-block-text p { color: var(--muted); margin-bottom: 1rem; }
.service-block-text ul {
    display: grid;
    gap: 0.4rem;
}
.service-block-text li {
    font-size: 0.9rem;
    padding-left: 1.25rem;
    position: relative;
}
.service-block-text li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

/* Contact */
.contact-grid {
    display: grid;
    gap: 2rem;
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.contact-card {
    padding: 1.25rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.contact-card h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}
.contact-big {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
}
.contact-form-wrap {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--glass-shadow), var(--glass-highlight);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--muted);
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font: inherit;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-success {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}
.alert-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.map-section iframe {
    width: 100%;
    height: 280px;
    border: none;
    filter: grayscale(0.3) contrast(1.1);
}

/* Footer */
.site-footer {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    padding: 3.5rem 0 1rem;
    margin-bottom: var(--bottom-bar-h);
    position: relative;
    overflow: hidden;
}
.site-footer::before {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: var(--grad-line);
}
.footer-watermark {
    position: absolute;
    right: -60px;
    bottom: -70px;
    width: 340px;
    opacity: 0.035;
    pointer-events: none;
}
.site-footer > .container { position: relative; z-index: 1; }
.footer-logo { display: inline-block; }
.footer-logo img { height: 56px; width: auto; }
.footer-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}
.footer-brand p {
    margin-top: 1.25rem;
    font-size: 0.875rem;
    color: var(--muted);
    max-width: 28ch;
}
.footer-col h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 0.75rem;
}
.footer-col li {
    margin-bottom: 0.4rem;
    font-size: 0.875rem;
    color: var(--muted);
}
.footer-col a {
    font-size: 0.875rem;
    color: var(--muted);
    transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.8rem;
    color: var(--muted);
}

.footer-credits a {
    color: var(--text);
    font-weight: 600;
    transition: color 0.2s;
}
.footer-credits a:hover { color: var(--accent); }

/* Material swatches */
.swatch {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border-soft);
    min-height: 180px;
    isolation: isolate;
}
.swatch::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(255, 255, 255, 0.14) 0%, transparent 35%, transparent 70%, rgba(0, 0, 0, 0.25) 100%);
    pointer-events: none;
}
.swatch span {
    position: absolute;
    left: 1rem;
    bottom: 1rem;
    z-index: 1;
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: #fff;
    background: rgba(11, 13, 18, 0.55);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}
.swatch-microcement {
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .5 0 0 0 0 .48 0 0 0 0 .45 0 0 0 .22 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
        radial-gradient(ellipse 40% 30% at 20% 30%, rgba(255, 255, 255, 0.18), transparent 70%),
        radial-gradient(ellipse 35% 45% at 75% 65%, rgba(0, 0, 0, 0.16), transparent 70%),
        radial-gradient(ellipse 50% 25% at 60% 15%, rgba(255, 255, 255, 0.1), transparent 70%),
        radial-gradient(ellipse 30% 40% at 30% 85%, rgba(60, 50, 40, 0.18), transparent 70%),
        linear-gradient(135deg, #b9b3aa, #9d978e 50%, #8a847b);
}
.swatch-epoxy {
    background:
        linear-gradient(170deg, transparent 40%, rgba(255, 255, 255, 0.35) 48%, transparent 56%),
        radial-gradient(ellipse 70% 40% at 50% 100%, rgba(0, 173, 239, 0.45), transparent 70%),
        linear-gradient(180deg, #1d3f8f, #0b5fae 55%, #0a3c78);
}
.swatch-stone {
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1.4 -.55'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.3' numOctaves='1' seed='7' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .08 0 0 0 0 .09 0 0 0 0 .11 0 0 0 1.6 -.7'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
        radial-gradient(ellipse 60% 50% at 30% 30%, rgba(255, 255, 255, 0.08), transparent 70%),
        linear-gradient(135deg, #7a7f88, #5b6069 60%, #4c5058);
}
.swatch-mark {
    position: absolute;
    right: 1.25rem;
    top: 1.25rem;
    width: 56px;
    opacity: 0.5;
    z-index: 1;
}
.swatch-brand {
    position: absolute;
    left: 1rem;
    bottom: 0.75rem;
    z-index: 1;
    font-size: 0.68rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.02em;
}
.swatch span + .swatch-brand { bottom: 3.4rem; }
.service-block-img.swatch { aspect-ratio: 16/11; }
.service-block-img.swatch .swatch-mark {
    width: 56px;
    aspect-ratio: auto;
    object-fit: contain;
}

.swatch-stack {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0.75rem;
    min-height: 380px;
}
.swatch-stack .swatch-microcement { grid-row: span 2; }

.check-list {
    display: grid;
    gap: 0.55rem;
    margin: 1.25rem 0 1.75rem;
}
.check-list li {
    position: relative;
    padding-left: 1.75rem;
    font-size: 0.95rem;
}
.check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.2em;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    background: var(--grad-brand);
    -webkit-mask: none;
}
.check-list li::after {
    content: '';
    position: absolute;
    left: 0.38rem;
    top: 0.42em;
    width: 0.3rem;
    height: 0.55rem;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.feature-mc .split-text > p { color: var(--muted); }

/* Page hero watermark */
.page-hero::after {
    content: '';
    position: absolute;
    right: -40px;
    top: 50%;
    width: 260px;
    height: 260px;
    transform: translateY(-40%);
    background: url('../img/logo/blueart-mark-white.svg') no-repeat center / contain;
    opacity: 0.04;
    pointer-events: none;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.95);
    display: grid;
    place-items: center;
    padding: 1rem;
}
.lightbox[hidden] { display: none; }
.lightbox img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius);
}
.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    color: var(--text);
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
}
.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    color: var(--text);
    padding: 0.5rem 1rem;
    opacity: 0.7;
}
.lightbox-prev { left: 0; }
.lightbox-next { right: 0; }
.lightbox-prev:hover,
.lightbox-next:hover { opacity: 1; }

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
    opacity: 1;
    transform: none;
}

/* Tablet+ */
@media (min-width: 640px) {
    .gallery-preview,
    .gallery-masonry {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .counters-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.25rem;
    }
    .map-section iframe { height: 360px; }
}

@media (min-width: 768px) {
    :root {
        --header-main-h: 84px;
        --bottom-bar-h: 0px;
    }
    body { padding-bottom: 0; }
    .logo img { height: 44px; }
    .bottom-bar { display: none; }
    .site-footer { margin-bottom: 0; }
    .nav-desktop { display: flex; }
    .header-actions { display: flex; }
    .nav-toggle { display: none; }
    .nav-mobile { display: none !important; }
    .whatsapp-fab {
        bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
        width: 62px;
        height: 62px;
    }
    .whatsapp-fab svg { width: 32px; height: 32px; }
    .instagram-fab {
        right: calc(1rem + 6px);
        bottom: calc(1.5rem + 62px + 0.85rem + env(safe-area-inset-bottom, 0px));
        width: 50px;
        height: 50px;
    }
    .hero { align-items: center; padding-bottom: 0; }
    .hero-content { padding-bottom: 4rem; }
    .scroll-hint { bottom: 2rem; }
    .split {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    .split-reverse .split-media { order: 2; }
    .split-reverse .split-text { order: 1; }
    .service-block {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
    .service-block.reverse .service-block-img { order: 2; }
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 3rem;
        align-items: start;
    }
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
    .cta-banner-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    .gallery-masonry {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    :root {
        --header-main-h: 88px;
    }
    .logo img { height: 50px; }
    .nav-desktop a { font-size: 0.9rem; padding: 0.6rem 1.25rem; }
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .section { padding: 5.5rem 0; }
}

/* Fallback when backdrop-filter is unsupported */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
    .site-header,
    .site-header.scrolled,
    .nav-mobile,
    .bottom-bar {
        background: var(--glass-bg-dark-solid);
    }
    .nav-desktop,
    .nav-toggle {
        background: rgba(20, 24, 32, 0.95);
    }
    .hero .eyebrow,
    .hero-dots,
    .scroll-hint,
    .btn-outline,
    .badge-float,
    .service-card,
    .counter,
    .feature,
    .cta-banner-inner,
    .page-hero .container,
    .contact-card,
    .contact-form-wrap {
        background: var(--bg-card);
    }
}