/* Infinity CDT — 3D immersive scroll experience overlays */

:root {
    --warm-grey: #b5b0a8;
    --concrete: #8b8178;
    --wood: #6b4f3a;
    --off-white: #f5f3ef;
    --panel-bg: rgba(11, 29, 51, 0.72);
    --panel-border: rgba(197, 160, 89, 0.25);
    --overlay-blur: blur(16px);
    --nav-offset: 5.5rem;
}

body.experience-mode {
    background: var(--navy-deep);
    color: var(--off-white);
}

body.experience-static .experience-fallback {
    opacity: 1;
}

/* 3D canvas layer */
.experience-layer {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

#experience-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

#experience-canvas.is-hidden {
    visibility: hidden;
}

.experience-fallback {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(160deg, rgba(11, 29, 51, 0.85) 0%, rgba(11, 29, 51, 0.55) 45%, rgba(107, 79, 58, 0.35) 100%),
        radial-gradient(ellipse at 30% 20%, rgba(197, 160, 89, 0.18), transparent 55%),
        url('https://images.unsplash.com/photo-1618221195710-dd6b41faaea6?w=1600&q=70') center/cover no-repeat;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.experience-fallback.is-hidden {
    display: none;
}

.experience-fallback:not(.is-hidden) {
    opacity: 1;
}

/* 3D loading progress */
.experience-loader {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(11, 29, 51, 0.82);
    z-index: 5;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.experience-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.experience-loader__inner {
    text-align: center;
    min-width: min(320px, 80vw);
    padding: 1.5rem;
}

.experience-loader__text {
    display: block;
    color: var(--off-white);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.experience-loader__track {
    height: 4px;
    background: rgba(245, 243, 239, 0.15);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.experience-loader__bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--gold), var(--gold-bright));
    border-radius: 999px;
    transition: width 0.25s ease;
}

.experience-loader__pct {
    color: var(--gold);
    font-size: 0.85rem;
    font-weight: 700;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Scroll content above canvas */
#experience-content {
    position: relative;
    z-index: 2;
}

.experience-section {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding-block: calc(var(--nav-offset) + 2rem) 4rem;
    scroll-margin-top: var(--nav-offset);
}

.experience-section--short {
    min-height: 70vh;
}

/* Glass zone panels */
.zone-panel {
    background: var(--panel-bg);
    backdrop-filter: var(--overlay-blur);
    -webkit-backdrop-filter: var(--overlay-blur);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
    transform: translate(var(--parallax-x, 0), var(--parallax-y, 0));
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.experience-section.is-in-view .zone-panel {
    border-color: rgba(197, 160, 89, 0.45);
    box-shadow: 0 28px 72px rgba(197, 160, 89, 0.12);
}

.zone-panel .section-title,
.zone-panel h2,
.zone-panel h3 {
    color: var(--off-white);
}

.zone-panel .section-desc,
.zone-panel p {
    color: rgba(245, 243, 239, 0.78);
}

.zone-panel .section-label {
    color: var(--gold);
}

/* Navbar over 3D */
.experience-mode .navbar {
    background: rgba(11, 29, 51, 0.82);
    backdrop-filter: var(--overlay-blur);
    -webkit-backdrop-filter: var(--overlay-blur);
    border-bottom: 1px solid var(--panel-border);
}

.experience-mode .navbar__links a {
    color: rgba(245, 243, 239, 0.88);
}

.experience-mode .navbar__links a:hover {
    color: var(--gold);
}

.experience-mode .app-banner {
    background: linear-gradient(90deg, var(--navy), var(--navy-light));
    color: var(--off-white);
    border-bottom: 1px solid var(--panel-border);
}

/* Hero zone */
.hero--experience {
    background: transparent;
    position: relative;
}

.hero--experience .hero__bg,
.hero--experience .hero__overlay,
.hero--experience .hero__glow {
    display: none;
}

.hero--experience .hero__headline {
    color: var(--off-white);
    font-size: clamp(2rem, 5vw, 3.5rem);
}

.hero--experience .hero__desc,
.hero--experience .hero__hashtag {
    color: rgba(245, 243, 239, 0.82);
}

.hero--experience .hero__stat-num {
    color: var(--gold);
}

.hero--experience .hero__stat-label {
    color: rgba(245, 243, 239, 0.65);
    font-size: 0.8rem;
}

.hero--experience .estimator-card {
    background: var(--panel-bg);
    backdrop-filter: var(--overlay-blur);
    border: 1px solid var(--panel-border);
    color: var(--off-white);
}

.hero--experience .form-label {
    color: rgba(245, 243, 239, 0.9);
}

/* Value / service cards on 3D */
.value-card--glass,
.service-card--glass,
.package-card--glass,
.addon-card--glass,
.testimonial-card--glass {
    background: rgba(11, 29, 51, 0.65);
    backdrop-filter: var(--overlay-blur);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    color: var(--off-white);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.value-card--glass:hover,
.service-card--glass:hover,
.package-card--glass:hover,
.addon-card--glass:hover {
    transform: translateY(-4px);
    border-color: rgba(197, 160, 89, 0.5);
}

.value-card--glass .value-card__text,
.service-card--glass .service-card__text {
    color: rgba(245, 243, 239, 0.75);
}

.package-card--glass {
    cursor: pointer;
}

.package-card--glass.package-card--featured {
    border-color: var(--gold);
    box-shadow: 0 0 0 1px var(--gold), 0 20px 48px rgba(197, 160, 89, 0.2);
}

/* Zone indicator */
.zone-indicator {
    position: fixed;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

[dir="rtl"] .zone-indicator {
    right: auto;
    left: 1.25rem;
}

.zone-indicator__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(245, 243, 239, 0.25);
    border: 1px solid rgba(197, 160, 89, 0.3);
    transition: all 0.35s ease;
}

.zone-indicator__dot.is-active {
    background: var(--gold);
    transform: scale(1.35);
    box-shadow: 0 0 12px rgba(197, 160, 89, 0.6);
}

/* Floating CTAs */
.floating-ctas {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 60;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 92vw;
}

.floating-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    transition: transform 0.25s ease;
}

.floating-cta:hover {
    transform: translateY(-2px);
}

.floating-cta--gold {
    background: linear-gradient(135deg, var(--gold-bright), var(--gold));
    color: var(--navy-deep);
}

.floating-cta--wa {
    background: var(--green-wa);
    color: #fff;
}

/* Calculator slide-in panel */
.calc-panel-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.calc-panel-backdrop.is-open,
body.calc-panel-open .calc-panel-backdrop {
    opacity: 1;
    visibility: visible;
}

.calc-panel {
    position: fixed;
    top: 0;
    bottom: 0;
    width: min(420px, 100vw);
    max-width: 100%;
    background: var(--navy);
    color: var(--off-white);
    z-index: 210;
    display: flex;
    flex-direction: column;
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.4);
    transform: translateX(110%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

[dir="ltr"] .calc-panel {
    right: 0;
    transform: translateX(110%);
}

[dir="ltr"] .calc-panel.is-open {
    transform: translateX(0);
}

[dir="rtl"] .calc-panel {
    left: 0;
    right: auto;
    transform: translateX(-110%);
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.4);
}

[dir="rtl"] .calc-panel.is-open {
    transform: translateX(0);
}

.calc-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--panel-border);
    position: sticky;
    top: 0;
    background: var(--navy);
    z-index: 1;
}

.calc-panel__live {
    background: rgba(197, 160, 89, 0.15);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    text-align: center;
}

.calc-panel__live-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gold);
}

.calc-panel__body {
    padding: 1.5rem;
    flex: 1;
}

.calc-panel__close {
    background: transparent;
    border: none;
    color: var(--off-white);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
}

.calc-panel__close:hover {
    background: rgba(255, 255, 255, 0.08);
}

body.calc-panel-open {
    overflow: hidden;
}

/* Gallery carousel zone 6 */
.gallery-carousel {
    margin-top: 2rem;
    position: relative;
}

.gallery-track {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 1rem;
    scrollbar-width: none;
}

.gallery-track::-webkit-scrollbar {
    display: none;
}

.gallery-card {
    flex: 0 0 min(320px, 80vw);
    scroll-snap-align: center;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--panel-border);
    background: var(--panel-bg);
    transition: transform 0.35s ease, border-color 0.35s ease;
}

.gallery-card.is-active {
    border-color: var(--gold);
    transform: scale(1.02);
}

.gallery-card img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.gallery-card__body {
    padding: 1rem 1.25rem;
}

.gallery-carousel__nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.gallery-carousel__btn {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: 1px solid var(--panel-border);
    background: var(--panel-bg);
    color: var(--gold);
    cursor: pointer;
}

/* Stats bar & sections on dark bg */
.experience-mode .stats-bar {
    background: rgba(11, 29, 51, 0.9);
    border-block: 1px solid var(--panel-border);
}

.experience-mode .stats-bar__num {
    color: var(--gold);
}

.experience-mode .stats-bar__label {
    color: rgba(245, 243, 239, 0.7);
}

.experience-mode .why-split {
    background: transparent;
}

.experience-mode .why-split__content {
    background: var(--panel-bg);
    backdrop-filter: var(--overlay-blur);
    color: var(--off-white);
}

.experience-mode .contact-cta__box {
    background: var(--panel-bg);
    backdrop-filter: var(--overlay-blur);
    border: 1px solid var(--panel-border);
}

.experience-mode .footer {
    background: var(--navy-deep);
    color: rgba(245, 243, 239, 0.8);
    border-top: 1px solid var(--panel-border);
}

.experience-mode .section {
    background: transparent;
}

.experience-mode .calc-result {
    background: rgba(11, 29, 51, 0.8);
    border: 1px solid var(--panel-border);
    color: var(--off-white);
}

/* Mobile */
@media (max-width: 768px) {
    .zone-indicator {
        display: none;
    }

    .floating-ctas {
        bottom: 1rem;
        width: 100%;
        padding-inline: 1rem;
    }

    .floating-cta {
        flex: 1;
        justify-content: center;
        font-size: 0.85rem;
    }

    .calc-panel {
        top: auto;
        height: 92vh;
        height: 92dvh;
        width: 100%;
        border-radius: 1.25rem 1.25rem 0 0;
        transform: translateY(110%);
    }

    [dir="ltr"] .calc-panel,
    [dir="rtl"] .calc-panel {
        left: 0;
        right: 0;
        transform: translateY(110%);
    }

    [dir="ltr"] .calc-panel.is-open,
    [dir="rtl"] .calc-panel.is-open {
        transform: translateY(0);
    }

    .experience-section {
        min-height: auto;
        padding-block: calc(var(--nav-offset) + 1.5rem) 3rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .zone-panel,
    .gallery-card,
    .floating-cta,
    .calc-panel {
        transition: none;
    }

    html {
        scroll-behavior: auto;
    }
}