/* Custom Properties & Apple Dark Theme Root Config */
:root {
    --bg-base: #0a0c10;
    --glass-bg: rgba(20, 24, 35, 0.45);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f5f5f7;
    --text-secondary: #8e8e93;
    --accent-glow: #93A2D3;

    /* iOS-style layout tokens */
    --ios-margin: 28px;
    --ios-spacing: 16px;
    --ios-radius: 22px;

    --menu-icon-size: clamp(32px, 8vw, 44px);
    --menu-logo-height: clamp(22px, 5.5vw, 36px);
    --menu-padding-y: 16px;
    --menu-padding-x: max(var(--ios-margin), env(safe-area-inset-left), env(safe-area-inset-right));
    --menu-height: calc(var(--menu-icon-size) + (var(--menu-padding-y) * 2) + env(safe-area-inset-top, 0px));

    --slide-padding-x: max(var(--ios-margin), env(safe-area-inset-left), env(safe-area-inset-right));
    --slide-padding-y: var(--ios-spacing);
    --card-padding-y: 28px;
    --card-padding-x: 28px;
    --block-inner-padding: 20px;
    --card-radius: var(--ios-radius);
    --card-max-width: 100%;

    --brand-logo-max: min(100%, 300px);
    --arch-max-size: min(85vw, 450px);

    /* Vertical peek: prev/next section edges */
    --peek-size: clamp(52px, 12vh, 108px);
    --card-max-height: calc(100dvh - var(--menu-height) - (var(--peek-size) * 2) - var(--ios-margin));

    /* Horizontal peek: next carousel page edge */
    --carousel-peek: clamp(32px, 8vw, 48px);
    --carousel-gap: 14px;
}

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

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

body, html {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
    overflow: hidden;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    min-height: 100dvh;
}

/* Fixed Hardware-Accelerated Parallax Background Frame */
.parallax-bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    transform: translateZ(0); /* Force GPU Mode */
}

.lavender-arch {
    width: var(--arch-max-size);
    height: auto;
    opacity: 0.25;
    filter: blur(4px);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Core Mobile Snap Swipe Framework */
.scroll-container {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow-y: scroll;
    overflow-x: hidden;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scroll-padding-top: calc(var(--menu-height) + var(--peek-size));
    scroll-padding-bottom: max(var(--peek-size), env(safe-area-inset-bottom), var(--ios-margin));
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.slide {
    width: 100%;
    height: auto;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: calc(var(--peek-size) * 0.42 + var(--slide-padding-y)) var(--slide-padding-x);
    scroll-snap-align: center;
    scroll-snap-stop: always;
}


/* Premium Apple Glass-morphism Styling Layout */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    padding: var(--card-padding-y) var(--card-padding-x);
    width: 100%;
    max-width: var(--card-max-width);
    height: auto;
    max-height: var(--card-max-height);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    transform: scale(1);
    opacity: 1;
    flex-shrink: 0;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.45s ease, box-shadow 0.45s ease;
}

.slide.is-active .glass-card {
    transform: scale(1);
    opacity: 1;
}

.glass-card > :last-child {
    margin-bottom: 0;
}

.slide:not(.is-active) .glass-card {
    transform: scale(0.985);
    opacity: 0.92;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

/* Fade overlays hinting at more content above/below */
.scroll-fade {
    position: fixed;
    left: 0;
    right: 0;
    z-index: 6;
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.35s ease;
}

.scroll-fade--top {
    top: var(--menu-height);
    height: calc(var(--peek-size) * 0.55);
    background: linear-gradient(
        to bottom,
        rgba(10, 12, 16, 0.55) 0%,
        rgba(10, 12, 16, 0.2) 55%,
        transparent 100%
    );
}

.scroll-fade--bottom {
    bottom: 0;
    height: calc(var(--peek-size) * 0.55 + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: linear-gradient(
        to top,
        rgba(10, 12, 16, 0.55) 0%,
        rgba(10, 12, 16, 0.2) 55%,
        transparent 100%
    );
}

.scroll-fade.is-hidden {
    opacity: 0;
}

h1 { font-size: clamp(22px, 5vw, 32px); font-weight: 700; letter-spacing: -0.5px; margin-bottom: 4px;}
h2 {
    font-size: clamp(20px, 4.5vw, 26px);
    font-weight: 600;
    letter-spacing: -0.3px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 14px;
}
h3 { font-size: clamp(15px, 3.5vw, 18px); margin-bottom: 8px; color: #fff; letter-spacing: -0.2px;}
p { font-size: clamp(15px, 3.6vw, 17px); line-height: 1.5; color: var(--text-secondary); margin-bottom: 14px;}

/* Fixed top menu bar */
.site-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: clamp(10px, 2.5vw, 16px);
    padding: var(--menu-padding-y) var(--menu-padding-x);
    padding-top: max(var(--menu-padding-y), env(safe-area-inset-top));
    background: rgba(10, 12, 16, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

.menu-icon {
    width: var(--menu-icon-size);
    height: var(--menu-icon-size);
    flex-shrink: 0;
    object-fit: contain;
}

.menu-title-logo {
    height: var(--menu-logo-height);
    width: auto;
    max-width: calc(100% - var(--menu-icon-size) - clamp(10px, 2.5vw, 16px));
    object-fit: contain;
    object-position: left center;
}

/* Hero brand logo */
.brand-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 20px;
    padding: 0 4px;
}

.brand-logo-landscape {
    width: 100%;
    max-width: var(--brand-logo-max);
    height: auto;
    object-fit: contain;
}

/* UI Layout Blocks */
.pillars-grid { display: flex; flex-direction: column; gap: 14px; margin-top: 20px; }
.pillar { background: rgba(255,255,255,0.03); padding: var(--block-inner-padding); border-radius: 14px; font-size: clamp(12px, 2.8vw, 15px); border-left: 3px solid var(--accent-glow); }
.project-entry {
    display: block;
    width: 100%;
    text-align: left;
    font: inherit;
    color: inherit;
    cursor: pointer;
    background: rgba(255,255,255,0.02);
    padding: var(--block-inner-padding);
    border-radius: 16px;
    margin-bottom: 14px;
    border: 1px solid transparent;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.project-entry:hover { background: rgba(255,255,255,0.05); }
.project-entry:active { transform: scale(0.99); }
.project-entry.active { border-color: rgba(235, 140, 50, 0.3); }
.project-entry-hint {
    display: block;
    font-size: clamp(10px, 2vw, 11px);
    color: var(--accent-glow);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 12px;
    margin-bottom: 0;
    opacity: 0.8;
}

/* Projects horizontal carousel */
.projects-card { overflow: hidden; }

.projects-carousel {
    position: relative;
    margin-top: 12px;
    padding: 4px 0;
}

.projects-carousel::before,
.projects-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 52px;
    width: clamp(20px, 6vw, 32px);
    z-index: 2;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.projects-carousel::before {
    left: 0;
    background: linear-gradient(to right, rgba(14, 17, 26, 0.7), transparent);
}

.projects-carousel::after {
    right: 0;
    background: linear-gradient(to left, rgba(14, 17, 26, 0.7), transparent);
}

.projects-carousel.is-at-start::before { opacity: 0; }
.projects-carousel.is-at-end::after { opacity: 0; }

.projects-carousel-track {
    display: flex;
    gap: var(--carousel-gap);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    margin: 0;
    padding: 0;
    padding-inline-end: calc(var(--carousel-peek) * 0.4);
    scroll-padding-inline: 0;
}

.projects-carousel-track.is-dragging {
    cursor: grabbing;
    scroll-snap-type: none;
    scroll-behavior: auto;
}

.projects-carousel-track.is-dragging .project-entry,
.projects-carousel-track.is-dragging .gallery-item {
    pointer-events: none;
}

.projects-carousel-track::-webkit-scrollbar { display: none; }

.carousel-page {
    flex: 0 0 calc(100% - var(--carousel-peek));
    width: calc(100% - var(--carousel-peek));
    scroll-snap-align: center;
    scroll-snap-stop: always;
    min-width: 0;
    padding: 4px 2px;
}

.carousel-arrow {
    position: absolute;
    top: 42%;
    transform: translateY(-50%);
    z-index: 3;
    width: 32px;
    height: 32px;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    background: rgba(20, 24, 35, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-primary);
    font-size: 22px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0.85;
    transition: opacity 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    padding: 0;
}

.carousel-arrow:hover {
    opacity: 1;
    background: rgba(30, 36, 52, 0.95);
    box-shadow: 0 0 12px rgba(147, 162, 211, 0.35);
}

.carousel-arrow:disabled {
    opacity: 0.25;
    cursor: default;
    pointer-events: none;
}

.carousel-arrow--prev { left: -6px; }
.carousel-arrow--next { right: -6px; }

.carousel-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 4px 0;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: #c7c7cc;
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.carousel-dot.is-active {
    background: var(--accent-glow);
    transform: scale(1.15);
    box-shadow:
        0 0 6px var(--accent-glow),
        0 0 14px rgba(147, 162, 211, 0.65),
        0 0 24px rgba(147, 162, 211, 0.35);
}

.carousel-swipe-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: clamp(9px, 2vw, 11px);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-glow);
    margin-top: 14px;
    padding: 4px 0;
    margin-bottom: 0;
    opacity: 0.85;
}

.carousel-hint-arrow {
    font-size: 14px;
    opacity: 0.8;
    animation: carouselHintPulse 2s ease-in-out infinite;
}

.carousel-hint-arrow:last-child {
    animation-delay: 1s;
}

@keyframes carouselHintPulse {
    0%, 100% { opacity: 0.35; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(2px); }
}

.carousel-hint-arrow:first-child {
    animation-name: carouselHintPulseLeft;
}

@keyframes carouselHintPulseLeft {
    0%, 100% { opacity: 0.35; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(-2px); }
}

/* 3x3 gallery */
.gallery-label {
    font-size: clamp(13px, 3vw, 15px);
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding: 0 4px;
    text-align: center;
}

.gallery-hint {
    font-size: clamp(9px, 2vw, 10px);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-glow);
    text-align: center;
    margin-bottom: 14px;
    opacity: 0.8;
}

.gallery-grid-wrap {
    width: 50%;
    max-width: 200px;
    margin: 0 auto;
    padding: 8px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.gallery-item {
    display: block;
    width: 100%;
    padding: 0;
    margin: 0;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(147, 162, 211, 0.25);
}

.gallery-item:active {
    transform: scale(0.97);
}

.gallery-item img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.03);
    pointer-events: none;
}

/* Blog popup overlay */
.blog-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding:
        calc(var(--menu-height) + var(--ios-spacing))
        max(var(--ios-margin), env(safe-area-inset-right))
        max(var(--ios-margin), env(safe-area-inset-bottom))
        max(var(--ios-margin), env(safe-area-inset-left));
}
.blog-overlay[hidden] { display: none; }

.blog-overlay-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.blog-overlay-row {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(8px, 2vw, 16px);
    width: 100%;
    max-width: min(96vw, 560px);
}

.blog-nav {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    background: rgba(20, 24, 35, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-primary);
    font-size: 24px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: opacity 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.blog-nav:hover {
    background: rgba(30, 36, 52, 0.95);
    box-shadow: 0 0 12px rgba(147, 162, 211, 0.35);
}

.blog-nav:disabled {
    opacity: 0.25;
    cursor: default;
    pointer-events: none;
}

.blog-popup {
    position: relative;
    flex: 1;
    min-width: 0;
    width: 100%;
    max-width: min(92vw, 480px);
    max-height: calc(100dvh - var(--menu-height) - 32px);
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    box-shadow: 0 24px 48px rgba(0,0,0,0.6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.blog-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 2;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}
.blog-close:hover { background: rgba(255,255,255,0.18); }

.blog-popup-content {
    padding: var(--card-padding-y) var(--card-padding-x);
    padding-top: calc(var(--card-padding-y) + 12px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.blog-popup-content h1 {
    font-size: clamp(20px, 4.5vw, 26px);
    margin-bottom: 12px;
    padding-right: 36px;
}
.blog-popup-content h2 {
    font-size: clamp(16px, 3.5vw, 20px);
    border-bottom: none;
    padding-bottom: 0;
    margin-top: 16px;
}
.blog-popup-content p { margin-bottom: 12px; }
.blog-popup-content strong { color: var(--text-primary); }
.blog-popup-content a { color: var(--accent-glow); }
.blog-popup-content ul {
    margin: 0 0 12px 1.2em;
    color: var(--text-secondary);
    font-size: clamp(14px, 2.8vw, 16px);
    line-height: 1.55;
}

.blog-popup-content .blog-image {
    display: block;
    width: 100%;
    max-height: 240px;
    object-fit: contain;
    border-radius: 14px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.03);
    margin: 0 0 16px;
}

.blog-loading { color: var(--text-secondary); font-style: italic; }
.badge { display: inline-block; font-size: clamp(9px, 2vw, 11px); font-weight: 700; text-transform: uppercase; padding: 4px 10px; border-radius: 20px; background: #eb8c32; color: #000; margin-bottom: 8px; }
.badge.green { background: #32d74b; }
.badge-lavender { background: #93A2D3; color: #fff; }

.dna-table { width: 100%; border-collapse: collapse; font-size: clamp(12px, 2.8vw, 15px); margin-bottom: 20px; }
.dna-table td { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.team-footer { font-style: italic; font-size: clamp(11px, 2.5vw, 14px); color: var(--text-secondary); padding: 4px 0; }

.action-buttons { margin-top: 24px; padding: 4px 0; }
.btn { display: block; text-align: center; background: #fff; color: #000; text-decoration: none; padding: 16px 20px; border-radius: 16px; font-weight: 600; font-size: clamp(14px, 3vw, 17px); transition: opacity 0.2s; }
.btn:active { opacity: 0.8; }

.swipe-indicator { text-align: center; font-size: clamp(10px, 2.2vw, 12px); text-transform: uppercase; letter-spacing: 2px; color: var(--accent-glow); margin-top: 24px; padding: 8px 0; animation: pulse 2s infinite; }
.swipe-indicator::before { content: "↑ "; opacity: 0.7; }
.swipe-indicator::after { content: " ↓"; opacity: 0.7; }
@keyframes pulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* iPhone-first refinements */
@media (max-width: 430px) {
    :root {
        --ios-margin: 28px;
        --card-padding-y: 28px;
        --card-padding-x: 28px;
        --block-inner-padding: 20px;
        --carousel-peek: 36px;
    }
}

/* Tablet: iPad and similar */
@media (min-width: 768px) {
    :root {
        --ios-margin: 32px;
        --card-padding-y: 32px;
        --card-padding-x: 32px;
        --block-inner-padding: 22px;
        --peek-size: clamp(64px, 12vh, 110px);
        --carousel-peek: 44px;
        --card-max-width: min(100%, 560px);
        --brand-logo-max: min(100%, 420px);
        --arch-max-size: min(70vw, 580px);
    }
}

/* Desktop: Mac / PC browsers */
@media (min-width: 1024px) {
    :root {
        --ios-margin: 40px;
        --card-padding-y: 36px;
        --card-padding-x: 36px;
        --block-inner-padding: 24px;
        --card-max-width: min(100%, 640px);
        --brand-logo-max: min(100%, 480px);
        --arch-max-size: min(55vw, 700px);
    }
}

/* Large desktop */
@media (min-width: 1440px) {
    :root {
        --card-max-width: min(100%, 720px);
        --brand-logo-max: min(100%, 520px);
        --arch-max-size: min(45vw, 800px);
    }
}