/* ==========================================================================
   ZheTech Agency — Swiss Minimalism · Cream + Black + ZheTech Green
   Design tokens follow the UI/UX Pro Max design system (brand palette locked).
   ========================================================================== */

:root {
    /* Brand palette (mandatory) */
    --brand:        #0F494A;
    --brand-700:    #0C3B3C;
    --brand-600:    #12585A;
    --brand-500:    #1A7071;
    --brand-tint:   #E7EEED;

    --bg:           #F8F5EF;   /* main background (cream) */
    --surface:      #FFFDF9;   /* cards / surfaces */
    --surface-2:    #F1ECE2;   /* subtle alt surface */
    --text:         #111111;
    --text-2:       #555555;
    --muted:        #777777;
    --border:       #E5E0D7;
    --border-strong:#D8D2C6;

    --on-brand:     #F8F5EF;
    --accent-soft:  #EFE9DD;

    /* Type scale */
    --font: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-display: 'Space Grotesk', 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --fs-xs: .8125rem;
    --fs-sm: .9375rem;
    --fs-base: 1.0625rem;
    --fs-lg: 1.1875rem;
    --fs-xl: 1.5rem;
    --fs-2xl: clamp(1.75rem, 1.2rem + 2.4vw, 2.5rem);
    --fs-3xl: clamp(2.25rem, 1.4rem + 3.6vw, 3.75rem);
    --fs-hero: clamp(2.6rem, 1.2rem + 5.6vw, 5rem);

    /* Spacing (density: standard 16–64) */
    --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
    --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;
    --space-9: 96px;

    --container: 1200px;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 22px;

    --shadow-sm: 0 1px 2px rgba(17,17,17,.04), 0 1px 3px rgba(17,17,17,.06);
    --shadow-md: 0 4px 12px rgba(15,73,74,.06), 0 2px 6px rgba(17,17,17,.05);
    --shadow-lg: 0 18px 44px rgba(15,73,74,.12), 0 6px 16px rgba(17,17,17,.06);

    --ring: 0 0 0 3px rgba(15,73,74,.35);
    --dur: .22s;
    --ease: cubic-bezier(.22,.61,.36,1);
}

/* ----- Reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    font-family: var(--font);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: clip;
}
/* Subtle film-grain texture for a premium, print-like surface */
body::after {
    content: ""; position: fixed; inset: 0; z-index: 120; pointer-events: none;
    opacity: .038; mix-blend-mode: multiply; background-size: 150px 150px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 4px; }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.12; font-weight: 700; letter-spacing: -.02em; text-wrap: balance; }
/* Display face on brand wordmark + large numerals for a technical, cohesive feel */
.brand-text, .stat-card .num, .price, .num { font-family: var(--font-display); }
p { text-wrap: pretty; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--space-5); }

.skip-link {
    position: absolute; left: 12px; top: -60px; z-index: 200;
    background: var(--brand); color: var(--on-brand);
    padding: 10px 16px; border-radius: 8px; transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 12px; }

/* ----- Buttons ------------------------------------------------------------ */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 22px; border-radius: 999px; border: 1.5px solid transparent;
    font-weight: 600; font-size: var(--fs-sm); line-height: 1;
    cursor: pointer; transition: transform var(--dur) var(--ease),
        background var(--dur) var(--ease), color var(--dur) var(--ease),
        border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
    white-space: nowrap;
}
.btn .icon { flex: none; transition: transform var(--dur) var(--ease); }
.btn:hover .icon { transform: translateX(3px); }
.magnetic { will-change: transform; }
.btn-sm { padding: 10px 16px; }

/* ----- Glassmorphism utilities -------------------------------------------
   Frosted glass reads best over imagery / dark surfaces. Solid fallback for
   browsers without backdrop-filter, so text always stays legible. */
.glass {
    background: rgba(255, 253, 249, .58);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
    backdrop-filter: blur(14px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, .55);
    box-shadow: 0 8px 30px rgba(15, 73, 74, .10);
}
.glass-dark {
    background: rgba(255, 255, 255, .07);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    backdrop-filter: blur(16px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, .14);
    box-shadow: 0 14px 44px rgba(0, 0, 0, .20);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .glass { background: var(--surface); }
    .glass-dark { background: rgba(255, 255, 255, .12); }
}

/* Link underline micro-interaction (non-button links) */
.link-underline:not(.btn) { position: relative; }
.link-underline:not(.btn)::after {
    content: ""; position: absolute; left: 0; bottom: -2px; height: 1.5px; width: 100%;
    background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.link-underline:not(.btn):hover::after { transform: scaleX(1); }
.btn-block { display: flex; width: 100%; justify-content: center; }
.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-primary:hover { background: var(--brand-700); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--brand); border-color: var(--border-strong); }
.btn-outline:hover { border-color: var(--brand); background: var(--brand-tint); }
.btn-on-dark { background: var(--on-brand); color: var(--brand); }
.btn-on-dark:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-ghost-light { background: transparent; color: var(--on-brand); border-color: rgba(248,245,239,.4); }
.btn-ghost-light:hover { border-color: var(--on-brand); background: rgba(248,245,239,.1); }

/* ----- Header ------------------------------------------------------------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(248,245,239,.82);
    backdrop-filter: saturate(140%) blur(12px);
    -webkit-backdrop-filter: saturate(140%) blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.scrolled { border-color: var(--border); box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; gap: var(--space-5); height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; letter-spacing: -.03em; }
.brand-mark {
    display: grid; place-items: center; width: 34px; height: 34px;
    background: var(--brand); color: var(--on-brand); border-radius: 9px;
    font-weight: 800; font-size: 1.05rem;
}
.brand-accent { color: var(--brand); }
.brand-logo { height: 38px; width: auto; display: block; }
.site-footer .brand-logo { height: 40px; }
@media (max-width: 560px) { .brand-logo { height: 30px; } }
@media (max-width: 360px) { .brand-logo { height: 26px; } }

.main-nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list a {
    display: block; position: relative; padding: 9px 14px; border-radius: 999px;
    font-size: var(--fs-sm); font-weight: 500; color: var(--text-2);
    transition: color var(--dur) var(--ease);
}
.nav-list a::after {
    content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px;
    background: var(--brand); border-radius: 2px; transform: scaleX(0); transform-origin: center;
    transition: transform .28s var(--ease);
}
.nav-list a:hover { color: var(--text); }
.nav-list a:hover::after, .nav-list a[aria-current="page"]::after { transform: scaleX(1); }
.nav-list a[aria-current="page"] { color: var(--brand); font-weight: 600; }
.brand { transition: transform var(--dur) var(--ease); }
.brand:hover { transform: translateY(-1px); }
.brand .brand-mark { transition: transform var(--dur) var(--ease); }
.brand:hover .brand-mark { transform: rotate(-6deg); }
.header-actions { display: flex; align-items: center; }
.nav-toggle { display: none; background: transparent; border: 0; color: var(--text); padding: 6px; border-radius: 8px; }

.mobile-nav { display: none; }

/* ----- Sections / shared -------------------------------------------------- */
.section { padding-block: var(--space-9); }
.section-sm { padding-block: var(--space-8); }
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: var(--fs-xs); font-weight: 600; letter-spacing: .12em;
    text-transform: uppercase; color: var(--brand);
}
.eyebrow::before { content: ""; width: 22px; height: 1.5px; background: var(--brand); display: inline-block; }
.section-head { max-width: 640px; margin-bottom: var(--space-7); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }
.section-head h2 { font-size: var(--fs-2xl); margin-top: var(--space-3); }
.section-head p { color: var(--text-2); font-size: var(--fs-lg); margin-top: var(--space-4); }
.lead { font-size: var(--fs-lg); color: var(--text-2); }

/* ----- Hero --------------------------------------------------------------- */
.hero { position: relative; padding-top: var(--space-9); padding-bottom: var(--space-8); overflow: hidden; }
.hero::before {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background:
        radial-gradient(60% 60% at 85% 0%, rgba(15,73,74,.06), transparent 70%),
        radial-gradient(50% 50% at 0% 100%, rgba(15,73,74,.05), transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--space-8); align-items: center; }
.hero h1 { font-size: var(--fs-hero); letter-spacing: -.035em; }
.hero .rotator { color: var(--brand); }
.hero-sub { font-size: var(--fs-lg); color: var(--text-2); margin-top: var(--space-5); max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.hero-meta { display: flex; gap: var(--space-6); margin-top: var(--space-7); flex-wrap: wrap; }
.hero-meta .num { font-size: 1.9rem; font-weight: 800; color: var(--brand); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.hero-meta .lbl { font-size: var(--fs-xs); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }

.hero-card {
    background: var(--brand); color: var(--on-brand); border-radius: var(--radius-lg);
    padding: var(--space-7); box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.hero-card::after {
    content: ""; position: absolute; right: -40px; bottom: -40px; width: 180px; height: 180px;
    border: 1.5px solid rgba(248,245,239,.18); border-radius: 50%;
}
.hero-card .kicker { font-size: var(--fs-xs); letter-spacing: .14em; text-transform: uppercase; opacity: .75; }
.hero-card h2 { font-size: var(--fs-xl); margin: var(--space-3) 0 var(--space-4); color: var(--on-brand); }
.hero-card p { color: rgba(248,245,239,.82); font-size: var(--fs-sm); }
.hero-card ul { margin-top: var(--space-5); display: grid; gap: var(--space-3); }
.hero-card li { display: flex; gap: 10px; align-items: flex-start; font-size: var(--fs-sm); }
.hero-card li .icon { color: #9FD5CF; flex: none; margin-top: 1px; }

/* ----- Logo marquee ------------------------------------------------------- */
.marquee-wrap { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--surface); }
.marquee-head { text-align: center; padding-top: var(--space-6); color: var(--muted); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .14em; }
.marquee { overflow: hidden; padding: var(--space-6) 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: var(--space-7); width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-weight: 700; font-size: 1.25rem; color: var(--text-2); letter-spacing: -.02em; white-space: nowrap; opacity: .7; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ----- Stats -------------------------------------------------------------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-6); }
.stat-card .num { font-size: clamp(2rem, 1.4rem + 2vw, 2.8rem); font-weight: 800; color: var(--brand); font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
.stat-card .lbl { color: var(--text-2); margin-top: 6px; font-size: var(--fs-sm); }

/* ----- Service cards ------------------------------------------------------ */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.service-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: var(--space-6); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
    display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.service-icon {
    display: grid; place-items: center; width: 52px; height: 52px; border-radius: 13px;
    background: var(--brand-tint); color: var(--brand); margin-bottom: var(--space-4);
}
.service-card h3 { font-size: var(--fs-lg); }
.service-card p { color: var(--text-2); font-size: var(--fs-sm); margin-top: var(--space-3); }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--space-5); }
.service-tags span { font-size: var(--fs-xs); color: var(--text-2); background: var(--surface-2); border: 1px solid var(--border); padding: 5px 10px; border-radius: 999px; }

/* ----- Portfolio ---------------------------------------------------------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--space-6); }
.filter-btn {
    background: var(--surface); border: 1.5px solid var(--border); color: var(--text-2);
    padding: 9px 16px; border-radius: 999px; font-size: var(--fs-sm); font-weight: 500;
    transition: all var(--dur) var(--ease);
}
.filter-btn:hover { border-color: var(--brand); color: var(--brand); }
.filter-btn.active { background: var(--brand); color: var(--on-brand); border-color: var(--brand); }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.project-card {
    display: flex; flex-direction: column; overflow: hidden;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.project-thumb { aspect-ratio: 4 / 3; position: relative; overflow: hidden; background: #fff; }
.project-thumb-img { width: 100%; height: 100%; object-fit: contain; padding: 24px; transition: transform .55s var(--ease); }
.project-card:hover .project-thumb-img { transform: scale(1.04); }
.project-thumb .initials {
    position: absolute; inset: 0; display: grid; place-items: center;
    font-size: 3rem; font-weight: 800; color: rgba(248,245,239,.92); letter-spacing: -.04em;
    background: linear-gradient(140deg, var(--brand) 0%, var(--brand-600) 100%);
}
.project-thumb .initials::after {
    content: ""; position: absolute; right: -30px; top: -30px; width: 120px; height: 120px;
    border: 1.5px solid rgba(248,245,239,.16); border-radius: 50%;
}
.project-body { padding: var(--space-5); display: flex; flex-direction: column; gap: 8px; flex: 1; }
.project-body h3 { font-size: var(--fs-lg); display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.project-body h3 .icon { color: var(--muted); flex: none; transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.project-card:hover h3 .icon { color: var(--brand); transform: translate(2px,-2px); }
.project-cats { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: var(--space-3); }
.project-cats span { font-size: var(--fs-xs); color: var(--text-2); background: var(--surface-2); padding: 4px 9px; border-radius: 6px; }
.project-card.hidden { display: none; }

/* ----- Blog ----------------------------------------------------------------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.blog-card {
    display: flex; flex-direction: column; overflow: hidden;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.blog-thumb { aspect-ratio: 16 / 10; overflow: hidden; background: var(--surface-2); }
.blog-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s var(--ease); }
.blog-card:hover .blog-thumb img { transform: scale(1.04); }
.blog-body { padding: var(--space-5); display: flex; flex-direction: column; gap: 8px; flex: 1; }
.blog-meta { display: flex; align-items: center; gap: 8px; font-size: var(--fs-xs); color: var(--text-2); }
.blog-meta .cat { color: var(--brand); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.blog-body h3 { font-size: var(--fs-lg); }
.blog-body p { color: var(--text-2); font-size: var(--fs-sm); }
.blog-body .read-more { margin-top: auto; padding-top: var(--space-3); font-weight: 700; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; }

.blog-article { max-width: 760px; margin: 0 auto; }

/* Reading-progress bar */
.blog-progress { position: sticky; top: 0; z-index: 99; height: 3px; background: transparent; }
.blog-progress span { display: block; height: 100%; width: 0%; background: var(--brand); transition: width .12s linear; }

/* Article hero */
.blog-hero { padding-block: var(--space-7) 0; }
.blog-hero .breadcrumb { margin-bottom: var(--space-5); }
.blog-eyebrow {
    display: inline-flex; align-items: center; font-size: var(--fs-xs); font-weight: 700;
    text-transform: uppercase; letter-spacing: .06em; color: var(--brand-700);
    background: var(--brand-tint); padding: 6px 14px; border-radius: 999px; margin-bottom: var(--space-4);
}
.blog-eyebrow:hover { background: var(--accent-soft); }
.blog-title { font-size: var(--fs-3xl); }
.blog-lead { font-size: var(--fs-lg); color: var(--text-2); margin-top: var(--space-4); max-width: 62ch; }

.blog-byline { display: flex; align-items: center; gap: 12px; margin-top: var(--space-6); padding-bottom: var(--space-6); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.blog-avatar {
    flex: none; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
    font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--on-brand);
    background: linear-gradient(140deg, var(--brand) 0%, var(--brand-600) 100%);
}
.blog-byline-text { display: flex; flex-direction: column; gap: 2px; }
.blog-author-name { font-weight: 700; font-size: var(--fs-sm); }
.blog-byline-meta { font-size: var(--fs-xs); color: var(--muted); display: flex; align-items: center; gap: 6px; }
.blog-share { display: flex; gap: 8px; margin-left: auto; }
.blog-share-btn {
    display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
    border: 1.5px solid var(--border-strong); color: var(--text-2); background: var(--surface);
    transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.blog-share-btn:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-tint); }
.blog-share-btn.is-copied { border-color: var(--brand); color: var(--brand); background: var(--brand-tint); }

.blog-hero-media { margin-top: var(--space-7); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.blog-hero-media .featured-image { width: 100%; aspect-ratio: 16/8; object-fit: cover; }

/* Article body */
.blog-article-body { font-size: 1.08rem; line-height: 1.85; color: var(--text-2); margin-top: var(--space-7); }
.blog-article-body p { margin: 0 0 1.3em; }
.blog-article-body > p:first-of-type { font-size: var(--fs-lg); color: var(--text); }
.blog-article-body h2 { font-size: var(--fs-xl); color: var(--text); margin: 1.7em 0 .6em; letter-spacing: -.01em; }
.blog-article-body h3 { font-size: var(--fs-lg); color: var(--text); margin: 1.5em 0 .5em; }
.blog-article-body blockquote {
    position: relative; margin: 1.8em 0; padding: var(--space-5) var(--space-6);
    background: var(--surface-2); border-radius: var(--radius); color: var(--text);
    font-family: var(--font-display); font-size: 1.2rem; font-weight: 500; line-height: 1.5; font-style: normal;
}
.blog-article-body blockquote::before {
    content: "“"; position: absolute; top: -6px; left: 16px; font-family: var(--font-display);
    font-size: 3rem; color: var(--brand); opacity: .35; line-height: 1;
}
.blog-article-body img { max-width: 100%; border-radius: var(--radius); margin: 1.5em 0; box-shadow: var(--shadow-md); }
.blog-article-body a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }
.blog-article-body ul, .blog-article-body ol { padding-left: 1.4em; margin: 0 0 1.3em; }
.blog-article-body li { margin-bottom: .4em; }

.blog-tags-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--space-7); }
.blog-tags-row a {
    font-size: var(--fs-xs); font-weight: 600; color: var(--text-2); background: var(--surface-2);
    padding: 6px 14px; border-radius: 999px; transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.blog-tags-row a:hover { background: var(--brand-tint); color: var(--brand-700); }

/* End-of-article CTA */
.blog-cta-panel {
    margin-top: var(--space-9); padding: var(--space-7); border-radius: var(--radius-lg);
    background: linear-gradient(140deg, var(--brand) 0%, var(--brand-600) 100%);
    color: var(--on-brand); text-align: center; box-shadow: var(--shadow-lg);
}
.blog-cta-panel h2 { color: var(--on-brand); font-size: var(--fs-xl); }
.blog-cta-panel p { color: rgba(248,245,239,.82); margin-top: var(--space-3); max-width: 48ch; margin-inline: auto; }
.blog-cta-panel .hero-cta { justify-content: center; margin-top: var(--space-6); }

@media (max-width: 640px) {
    .blog-byline { gap: 10px; }
    .blog-share { margin-left: 0; width: 100%; padding-top: var(--space-3); }
    .blog-hero-media .featured-image { aspect-ratio: 4/3; }
    .blog-cta-panel { padding: var(--space-6) var(--space-5); }
}

/* ----- Split / about ------------------------------------------------------ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: center; }
.split-media {
    background: linear-gradient(140deg, var(--brand) 0%, var(--brand-600) 100%);
    border-radius: var(--radius-lg); min-height: 260px; box-shadow: var(--shadow-lg);
    position: relative; overflow: hidden; color: var(--on-brand); padding: var(--space-7);
    display: flex; flex-direction: column; justify-content: flex-start;
}
.split-media .badge { display: inline-block; margin-bottom: var(--space-4); font-size: var(--fs-xs); letter-spacing: .14em; text-transform: uppercase; opacity: .8; }
.split-media h3 { font-size: var(--fs-2xl); color: var(--on-brand); }
.split-media p { color: rgba(248,245,239,.82); margin-top: 10px; font-size: var(--fs-sm); }
/* summary-list is designed for light backgrounds (--brand icon, --text-2 text) —
   override both when it's reused inside a dark split-media panel. */
.split-media .summary-list li { color: rgba(248,245,239,.85); }
.split-media .summary-list .icon { color: #9FD5CF; }

/* ----- Timeline ----------------------------------------------------------- */
.timeline { display: grid; gap: var(--space-5); border-left: 2px solid var(--border-strong); padding-left: var(--space-6); }
.timeline-item { position: relative; }
.timeline-item::before { content: ""; position: absolute; left: calc(-1 * var(--space-6) - 7px); top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--brand); border: 3px solid var(--bg); }
.timeline-item .yr { font-weight: 800; color: var(--brand); font-size: var(--fs-lg); }
.timeline-item h3 { font-size: var(--fs-base); margin: 4px 0 6px; }
.timeline-item p { color: var(--text-2); font-size: var(--fs-sm); }

/* ----- Pricing ------------------------------------------------------------ */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); align-items: start; }
.price-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-7); display: flex; flex-direction: column; gap: var(--space-4); }
.price-card.featured { border-color: var(--brand); box-shadow: var(--shadow-lg); position: relative; }
.price-card.featured .flag { position: absolute; top: -13px; left: var(--space-7); background: var(--brand); color: var(--on-brand); font-size: var(--fs-xs); font-weight: 600; padding: 5px 12px; border-radius: 999px; letter-spacing: .04em; }
.price-card h3 { font-size: var(--fs-xl); }
.price-card .price { font-size: 2.4rem; font-weight: 800; color: var(--brand); letter-spacing: -.03em; }
.price-card .price small { font-size: var(--fs-sm); color: var(--muted); font-weight: 500; }
.price-card ul { display: grid; gap: 10px; margin-top: var(--space-2); }
.price-card li { display: flex; gap: 10px; font-size: var(--fs-sm); color: var(--text-2); }
.price-card li .icon { color: var(--brand); flex: none; margin-top: 2px; }
.price-card .btn { margin-top: auto; }

/* ----- Enterprise banner -------------------------------------------------- */
.enterprise { background: var(--brand); color: var(--on-brand); border-radius: var(--radius-lg); padding: var(--space-8); display: grid; grid-template-columns: 1.2fr .8fr; gap: var(--space-7); align-items: center; }
.enterprise h2 { color: var(--on-brand); font-size: var(--fs-2xl); }
.enterprise p { color: rgba(248,245,239,.85); margin-top: var(--space-3); }
.enterprise ul { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: var(--space-5); }
.enterprise li { display: flex; gap: 8px; font-size: var(--fs-sm); }
.enterprise li .icon { color: #9FD5CF; flex: none; }

/* ----- Contact ------------------------------------------------------------ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--space-8); align-items: start; }
.contact-info { display: grid; gap: var(--space-4); }
.contact-item { display: flex; gap: var(--space-4); align-items: flex-start; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-5); }
.contact-item .ic { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 11px; background: var(--brand-tint); color: var(--brand); flex: none; }
.contact-item h3 { font-size: var(--fs-base); }
.contact-item p, .contact-item a { color: var(--text-2); font-size: var(--fs-sm); }
.contact-item a:hover { color: var(--brand); }

.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-7); box-shadow: var(--shadow-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: var(--space-4); }
.field label { font-size: var(--fs-sm); font-weight: 600; }
.field .req { color: var(--brand); }
.field input, .field textarea, .field select {
    font: inherit; font-size: var(--fs-sm); padding: 13px 15px; border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-strong); background: var(--bg); color: var(--text);
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
    width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: var(--ring); }
.field textarea { resize: vertical; min-height: 130px; }
.field .hint { font-size: var(--fs-xs); color: var(--muted); }
.field .error-msg { font-size: var(--fs-xs); color: #B42318; display: none; }
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: #B42318; }
.field.invalid .error-msg { display: block; }
.form-status { padding: 14px 16px; border-radius: var(--radius-sm); font-size: var(--fs-sm); margin-bottom: var(--space-4); display: none; }
.form-status.ok { display: block; background: var(--brand-tint); color: var(--brand-700); border: 1px solid var(--brand-500); }
.form-status.err { display: block; background: #FDECEA; color: #B42318; border: 1px solid #F1B0AB; }

/* ----- CTA band ----------------------------------------------------------- */
.cta-band { background: var(--brand); color: var(--on-brand); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding-block: var(--space-8); flex-wrap: wrap; }
.cta-inner h2 { font-size: var(--fs-2xl); color: var(--on-brand); }
.cta-inner p { color: rgba(248,245,239,.82); margin-top: 8px; }
.cta-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ----- Footer ------------------------------------------------------------- */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1.2fr; gap: var(--space-7); padding-block: var(--space-8); }
.footer-tagline { color: var(--text-2); font-size: var(--fs-sm); margin-top: var(--space-4); max-width: 34ch; }
.footer-social { display: flex; gap: 10px; margin-top: var(--space-5); }
.footer-social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border); color: var(--text-2); transition: all var(--dur) var(--ease); }
.footer-social a:hover { background: var(--brand); color: var(--on-brand); border-color: var(--brand); transform: translateY(-2px); }
.footer-col h3 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: var(--space-4); }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a:not(.btn) { color: var(--text-2); font-size: var(--fs-sm); transition: color var(--dur) var(--ease); }
.footer-col a:not(.btn):hover { color: var(--brand); }
.footer-col .btn-primary { color: var(--on-brand); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; color: var(--text-2); font-size: var(--fs-sm); }
.footer-contact .icon { color: var(--brand); flex: none; margin-top: 2px; }
.footer-note { color: var(--text-2); font-size: var(--fs-sm); margin-bottom: var(--space-4); }
.footer-bottom { display: flex; justify-content: space-between; gap: var(--space-4); padding-block: var(--space-5); border-top: 1px solid var(--border); color: var(--muted); font-size: var(--fs-xs); flex-wrap: wrap; }
.footer-bottom a:hover { color: var(--brand); }

/* ----- Page hero (inner pages) -------------------------------------------- */
.page-hero { padding-block: var(--space-8) var(--space-7); background: var(--surface); border-bottom: 1px solid var(--border); }
.page-hero h1 { font-size: var(--fs-3xl); margin-top: var(--space-3); }
.page-hero p { color: var(--text-2); font-size: var(--fs-lg); margin-top: var(--space-4); max-width: 60ch; }
.breadcrumb { font-size: var(--fs-xs); color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }

/* ----- Project detail ----------------------------------------------------- */
.project-hero-media { aspect-ratio: 16/7; border-radius: var(--radius-lg); overflow: hidden; margin-top: var(--space-6); position: relative; }
.project-hero-media .initials { position: absolute; inset: 0; display: grid; place-items: center; font-size: 5rem; font-weight: 800; color: rgba(248,245,239,.92); background: linear-gradient(140deg, var(--brand) 0%, var(--brand-600) 100%); }
.project-hero-media.has-img { background: var(--surface); border: 1px solid var(--border); }
.project-hero-img { width: 100%; height: 100%; object-fit: contain; padding: clamp(20px, 4vw, 48px); }

/* Case-study blocks */
.case-study .case-block { display: grid; grid-template-columns: auto 1fr; gap: var(--space-5); padding: var(--space-6) 0; border-top: 1px solid var(--border); margin-top: var(--space-5); }
.case-study .case-num { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 700; color: var(--brand); font-variant-numeric: tabular-nums; }
.case-study .case-block h3 { font-size: var(--fs-lg); margin-bottom: 8px; }
.case-study .case-block p { color: var(--text-2); margin-bottom: 0; }
@media (max-width: 560px) { .case-study .case-block { grid-template-columns: 1fr; gap: 8px; } }
.project-detail { display: grid; grid-template-columns: 1fr 300px; gap: var(--space-8); margin-top: var(--space-8); align-items: start; }
.project-detail h2 { font-size: var(--fs-xl); margin-bottom: var(--space-3); }
.project-detail p { color: var(--text-2); margin-bottom: var(--space-5); }
.project-meta { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-6); position: sticky; top: 96px; display: grid; gap: var(--space-5); }
.project-meta .row .k { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.project-meta .row .v { font-weight: 600; margin-top: 4px; }
.project-meta .chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.project-meta .chips span { font-size: var(--fs-xs); background: var(--brand-tint); color: var(--brand-700); padding: 4px 9px; border-radius: 6px; }
.summary-list { display: grid; gap: 10px; }
.summary-list li { display: flex; gap: 10px; color: var(--text-2); font-size: var(--fs-sm); }
.summary-list .icon { color: var(--brand); flex: none; margin-top: 2px; }
.project-nav { display: flex; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--border); flex-wrap: wrap; }

/* ----- Reveal animation --------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .06s; }
.reveal[data-delay="2"] { transition-delay: .12s; }
.reveal[data-delay="3"] { transition-delay: .18s; }
.reveal[data-delay="4"] { transition-delay: .24s; }
.reveal[data-delay="5"] { transition-delay: .3s; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: var(--space-7); }
    .cards-grid, .portfolio-grid, .pricing-grid, .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .enterprise { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
    .project-detail { grid-template-columns: 1fr; }
    .project-meta { position: static; }
}

@media (max-width: 860px) {
    .main-nav, .header-actions { display: none; }
    .nav-toggle { display: inline-flex; margin-left: auto; }
    .mobile-nav { display: block; }
    .mobile-nav[hidden] { display: none; }
    .mobile-nav {
        border-top: 1px solid var(--border);
        background: rgba(248, 245, 239, .82);
        -webkit-backdrop-filter: blur(18px) saturate(160%);
        backdrop-filter: blur(18px) saturate(160%);
        padding: var(--space-4) var(--space-5) var(--space-6);
    }
    @supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
        .mobile-nav { background: var(--bg); }
    }
    .mobile-nav ul { display: grid; gap: 2px; margin-bottom: var(--space-4); }
    .mobile-nav nav a { display: block; padding: 13px 12px; border-radius: 10px; font-weight: 500; color: var(--text); font-size: var(--fs-lg); }
    .mobile-nav nav a[aria-current="page"] { color: var(--brand); background: var(--accent-soft); }
    .split { grid-template-columns: 1fr; gap: var(--space-6); }
    .contact-grid { grid-template-columns: 1fr; gap: var(--space-6); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
    :root { --space-9: 64px; --space-8: 48px; }
    .container { padding-inline: var(--space-4); }
    .cards-grid, .portfolio-grid, .pricing-grid, .blog-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-meta { gap: var(--space-5); }
    .btn { width: 100%; justify-content: center; }
    .hero-cta .btn, .cta-actions .btn { width: auto; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .btn { width: 100%; }
}

/* ----- Reduced motion ----------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
    .reveal { opacity: 1; transform: none; }
    .marquee-track { animation: none; transform: none; flex-wrap: wrap; justify-content: center; }
}