/* ==========================================================================
   Castle Associates — V3 "Warm Institutional"
   Serif gravitas · warm bronze · film grain · editorial rhythm
   Inspired by the intersection of ravn.co and margulisgelfand.com
   ========================================================================== */

/* ---- RESET ---- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    font-family:var(--font-body);
    font-size:17px;
    line-height:1.7;
    color:var(--text-secondary);
    background:var(--bg-base);
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    overflow-x:hidden
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{background:none;border:none;cursor:pointer;font:inherit;color:inherit}

/* ---- FILM GRAIN OVERLAY ---- */
body::before{
    content:'';
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:10000;
    opacity:.028;
    background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat:repeat;
    background-size:512px 512px
}

/* ---- VARIABLES ---- */
:root{
    /* Fonts */
    --font-display:'Libre Baskerville',Georgia,'Times New Roman',serif;
    --font-body:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;

    /* Warm dark backgrounds */
    --bg-base:#131110;
    --bg-alt:#0e0c0a;
    --bg-elevated:#1a1714;
    --bg-card:#1c1916;
    --bg-footer:#090807;

    /* Warm text */
    --text-primary:#ede8df;
    --text-secondary:#9a9287;
    --text-muted:#5c5650;

    /* Bronze accent */
    --accent:#A0845C;
    --accent-light:#BDA37A;
    --accent-soft:rgba(160,132,92,0.08);
    --accent-glow:rgba(160,132,92,0.18);

    /* Logo blue — brand color */
    --brand-blue:#2A88BC;
    --brand-blue-light:#3da0d4;
    --brand-blue-soft:rgba(42,136,188,0.1);

    /* Borders (warm) */
    --border:rgba(237,232,223,0.06);
    --border-hover:rgba(237,232,223,0.14);

    /* Light section palette */
    --bg-light:#f4f1ec;
    --bg-light-card:#ffffff;
    --text-light-primary:#1a1715;
    --text-light-secondary:#5c5650;
    --text-light-muted:#9a9287;
    --border-light:rgba(26,23,21,0.08);
    --border-light-hover:rgba(26,23,21,0.16);

    /* Layout */
    --max-w:1200px;
    --nav-h:88px;
    --pad-y:140px;

    /* Motion */
    --transition:200ms cubic-bezier(.4,0,.2,1);
    --ease-out:cubic-bezier(.16,1,.3,1);
}

.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 48px}

/* ---- TYPOGRAPHY ---- */
.section-heading{
    font-family:var(--font-display);
    font-size:44px;
    font-weight:700;
    line-height:1.2;
    color:var(--text-primary);
    margin-bottom:28px;
    letter-spacing:-.01em
}
.section-subheading{
    font-family:var(--font-body);
    font-size:17px;
    color:var(--text-secondary);
    max-width:600px;
    margin-bottom:56px;
    line-height:1.7
}

/* ========== ANIMATIONS ========== */

/* Fade up (default) */
.fade-in{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* Slide from left */
.slide-in-left{opacity:0;transform:translateX(-40px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.slide-in-left.visible{opacity:1;transform:translateX(0)}


/* Word reveal */
.word-reveal .word{opacity:0;transform:translateY(18px);display:inline-block;transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}
.word-reveal .word.visible{opacity:1;transform:translateY(0)}



/* ========== NAV ========== */
.site-header{
    position:fixed;top:0;left:0;right:0;z-index:1000;
    background:rgba(19,17,16,.8);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid transparent;
    transition:transform .35s ease,background .3s ease,border-color .3s ease,top .3s ease,left .3s ease,right .3s ease,border-radius .3s ease,box-shadow .3s ease
}
.site-header.scrolled{
    background:rgba(19,17,16,.94);
    border-bottom-color:var(--border)
}
.site-header.nav-hidden{
    transform:translateY(-100%)
}

/* STATE 3 — Compact white floating bar (scroll up, not at top) */
.site-header.nav-compact{
    top:12px;left:24px;right:24px;
    background:#fff;
    border-radius:10px;
    border-bottom:none;
    box-shadow:0 2px 12px rgba(0,0,0,.08)
}
.site-header.nav-compact .nav-logo-text{color:#1a1715}
.site-header.nav-compact .nav-links a{color:#5c5650}
.site-header.nav-compact .nav-links a:hover,
.site-header.nav-compact .nav-links a:focus{color:#1a1715}
.site-header.nav-compact .nav-links a::after{background:var(--accent)}
.site-header.nav-compact .nav-phone{color:#5c5650}
.site-header.nav-compact .nav-phone:hover{color:var(--accent)}
.site-header.nav-compact .nav-toggle-bar{background:#1a1715}

/* Floating nav badges (scroll-down state) */
.nav-float{
    position:fixed;z-index:999;
    opacity:0;pointer-events:none;
    transition:opacity .3s ease,transform .3s ease;
    transform:translateY(-8px)
}
.nav-float.visible{
    opacity:1;pointer-events:all;
    transform:translateY(0)
}
.nav-float-logo{
    top:16px;
    left:max(48px, calc((100vw - 1200px) / 2 + 48px));
    width:52px;height:52px;
    background:#131110;
    border-radius:6px;
    display:flex;align-items:center;justify-content:center
}
.nav-float-logo a{display:flex;align-items:center;justify-content:center}
.nav-float-logo img{width:36px;height:36px;object-fit:contain;border-radius:50%;background:#fff}
.nav-float-phone{
    top:16px;
    right:max(48px, calc((100vw - 1200px) / 2 + 48px));
    background:#131110;
    border-radius:6px;
    padding:14px 20px
}
.nav-float-phone a{
    font-family:var(--font-body);
    font-size:13px;font-weight:600;letter-spacing:.06em;
    color:var(--accent-light);
    text-decoration:none
}
.nav-container{
    display:flex;align-items:center;justify-content:space-between;
    height:var(--nav-h);max-width:var(--max-w);margin:0 auto;padding:0 48px
}
.nav-logo{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-logo-icon{
    width:44px;height:44px;border-radius:50%;overflow:hidden;flex-shrink:0;
    background:#fff;
    box-shadow:0 0 20px rgba(237,232,223,.1),0 0 6px rgba(42,136,188,.25)
}
.nav-logo-icon img{width:100%;height:100%;object-fit:contain}
.nav-logo-text{
    font-family:var(--font-display);
    font-size:17px;font-weight:700;
    color:var(--text-primary);letter-spacing:.01em
}
.nav-links{display:flex;align-items:center;gap:44px}
.nav-links a{
    font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;
    color:var(--text-secondary);transition:color .3s ease;position:relative
}
.nav-links a::after{
    content:'';position:absolute;bottom:-6px;left:0;
    width:0;height:1px;background:var(--brand-blue);
    transition:width .4s var(--ease-out)
}
.nav-links a:hover,.nav-links a:focus{color:var(--text-primary)}
.nav-links a:hover::after{width:100%}

.nav-phone{
    font-family:var(--font-body);
    font-size:13px;font-weight:500;letter-spacing:.04em;
    color:var(--text-secondary);transition:color var(--transition)
}
.nav-phone:hover{color:var(--brand-blue)}

/* Hamburger */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;padding:4px}
.nav-toggle-bar{display:block;width:100%;height:1.5px;background:var(--text-primary);border-radius:1px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle.active .nav-toggle-bar:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.active .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle.active .nav-toggle-bar:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}


/* ========== HERO (Utah Valley photo background + stats) ========== */
.hero{
    position:relative;
    overflow:hidden;
    min-height:100vh;
    display:flex;
    flex-direction:column;
    justify-content:center;
    padding-top:calc(var(--nav-h) + 80px);
    padding-bottom:0
}
.hero-bg{
    position:absolute;
    top:0;left:0;right:0;bottom:0;
    z-index:0
}
.hero-bg img{
    display:block;
    width:100%;height:100%;
    object-fit:cover;
    object-position:center 35%
}
.hero-overlay{
    position:absolute;
    top:0;left:0;right:0;bottom:0;
    z-index:1;
    background:
        linear-gradient(
            to bottom,
            rgba(19,17,16,.75) 0%,
            rgba(19,17,16,.45) 50%,
            rgba(19,17,16,.25) 75%,
            rgba(19,17,16,.55) 100%
        )
}
.hero .container{
    position:relative;
    z-index:2
}
.hero-content{
    max-width:760px;
    margin-bottom:80px
}
.hero-label{
    display:flex;align-items:center;gap:20px;
    font-family:var(--font-body);
    font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.16em;
    color:rgba(255,255,255,.6);margin-bottom:32px;
    text-shadow:0 1px 10px rgba(0,0,0,.4)
}
.hero-label-line{
    width:48px;height:1px;
    background:rgba(255,255,255,.3);
    flex-shrink:0
}
.hero-heading{
    font-family:var(--font-display);
    font-size:64px;font-weight:700;line-height:1.12;
    color:#fff;letter-spacing:-.02em;
    margin-bottom:24px;
    text-shadow:0 2px 30px rgba(0,0,0,.6),0 1px 3px rgba(0,0,0,.4)
}
.hero-subheading{
    font-family:var(--font-display);
    font-size:22px;font-weight:400;font-style:italic;
    color:#fff;
    margin-bottom:40px;letter-spacing:0;
    text-shadow:0 1px 20px rgba(0,0,0,.5),0 1px 3px rgba(0,0,0,.3)
}

/* Hero stats band at bottom of hero */
.hero-stats{
    border-top:1px solid rgba(255,255,255,.1);
    padding:48px 0 56px
}
.hero-stats-grid{
    display:grid;grid-template-columns:repeat(2,1fr);
    gap:24px;text-align:center
}

.btn{
    display:inline-block;padding:18px 44px;
    font-family:var(--font-body);
    font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;
    border-radius:2px;
    transition:all .3s ease
}
.btn-primary{
    background:var(--accent);color:#0e0c0a;
    border:1px solid var(--accent)
}
.btn-primary:hover{
    background:var(--accent-light);
    border-color:var(--accent-light);
    transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(160,132,92,.2)
}
.btn-outline{
    background:transparent;color:var(--text-primary);
    border:1px solid var(--border-hover)
}
.btn-outline:hover{
    border-color:var(--accent);color:var(--accent-light);
    transform:translateY(-2px)
}
/* Light section outline variant */
section.light-section .btn-outline{
    color:var(--text-light-primary);
    border-color:var(--border-light-hover)
}
section.light-section .btn-outline:hover{
    border-color:var(--accent);color:var(--accent)
}
section.light-section .btn-primary{
    color:#fff
}

/* Inline CTA row */
.inline-cta{display:flex;gap:16px;margin-top:48px;flex-wrap:wrap}


/* ========== CHALLENGE ========== */
.challenge{
    padding:var(--pad-y) 0;
    background:var(--bg-alt);
    position:relative;
    border-top:1px solid var(--border);
    border-bottom:1px solid var(--border)
}
.challenge-split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.challenge-content{position:relative;z-index:1;border-left:4px solid var(--accent);padding-left:40px}
.challenge-image{border-radius:8px;overflow:hidden;aspect-ratio:4/5}
.challenge-image img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;transition:filter .6s ease}
.challenge .section-heading{font-size:34px;font-weight:400;line-height:1.35}
.challenge-lead{font-size:17px;color:var(--text-secondary);margin-bottom:48px;line-height:1.8}

.challenge-points{display:flex;flex-direction:column;gap:18px;margin-bottom:48px}
.challenge-point{display:flex;align-items:center;gap:16px}
.challenge-marker{
    flex-shrink:0;width:6px;height:6px;margin-top:10px;
    background:var(--accent);border-radius:50%
}
.challenge-point strong{
    font-family:var(--font-display);
    color:var(--text-primary);font-size:17px;font-weight:700;
    display:block;margin-bottom:6px
}
.challenge-point p{font-size:16px;color:var(--text-secondary);line-height:1.7}

.challenge-closing{
    font-family:var(--font-display);
    font-size:18px;color:var(--text-primary);
    font-weight:400;font-style:italic;
    line-height:1.5
}




/* ========== WHY CASTLE ========== */
.why{padding:var(--pad-y) 0;background:var(--bg-base);position:relative;overflow:hidden}
.why::after{
    content:'';position:absolute;right:0;top:0;bottom:0;width:40%;
    background:radial-gradient(circle,rgba(160,132,92,.05) 1px,transparent 1px);
    background-size:24px 24px;pointer-events:none
}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.why-card{
    padding:44px;
    background:var(--bg-card);
    border:1px solid var(--border);border-radius:6px;
    transition:border-color .4s ease,transform .4s ease,box-shadow .4s ease
}
.why-card:hover{
    border-color:rgba(160,132,92,.2)
}
.why-icon{margin-bottom:28px;color:var(--accent);transition:transform .4s var(--ease-out)}
.why-icon img{width:56px;height:56px;object-fit:contain}
.why-card:hover .why-icon{transform:translateY(-4px)}
.why-card h3{
    font-family:var(--font-display);
    font-size:20px;font-weight:700;
    color:var(--text-primary);margin-bottom:14px;
    line-height:1.3
}
.why-card p{font-size:15px;color:var(--text-secondary);line-height:1.75}


/* Stat number + label (used in hero-stats) */
.stat-number{
    display:block;
    font-family:var(--font-display);
    font-size:60px;font-weight:700;
    color:var(--accent-light);
    letter-spacing:-.02em;line-height:1;
    text-shadow:0 2px 20px rgba(0,0,0,.4)
}
.stat-label{
    display:block;
    font-family:var(--font-body);
    font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;
    color:rgba(255,255,255,.6);margin-top:12px;
    text-shadow:0 1px 10px rgba(0,0,0,.5)
}


/* ========== CLIENT LOGO STRIP ========== */
.logo-strip{
    padding:40px 0 48px;
    background:#fff;
    text-align:center
}
.logo-strip-label{
    font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.14em;
    color:var(--accent);margin-bottom:28px
}
.logo-strip-img{width:100%;line-height:0}
.logo-strip-img img{width:100%;height:auto;display:block}


/* ========== PROJECTS (Icon Grid) ========== */
.projects{
    padding:var(--pad-y) 0;
    background:var(--bg-base);
    position:relative;overflow:hidden
}
.projects::before{
    content:'';position:absolute;top:0;left:10%;right:10%;
    height:1px;
    background:linear-gradient(to right,transparent,var(--accent),transparent);
    z-index:1
}
.projects-texture{
    position:absolute;left:0;top:0;bottom:0;width:35%;
    background:url('../images/triangoli4.jpg') center/cover no-repeat;
    opacity:.06;pointer-events:none;
    mask-image:linear-gradient(to right,rgba(0,0,0,.5),transparent);
    -webkit-mask-image:linear-gradient(to right,rgba(0,0,0,.5),transparent)
}
.projects-grid{
    display:grid;grid-template-columns:repeat(3,1fr);
    gap:20px;position:relative;z-index:1
}

.project-tile{
    background:var(--bg-card);
    border:1px solid var(--border);border-radius:6px;
    padding:36px 28px;cursor:pointer;
    transition:border-color .4s ease,transform .4s ease,box-shadow .4s ease;
    position:relative;overflow:hidden
}
.project-tile::before{
    content:'';position:absolute;left:0;top:0;bottom:0;
    width:2px;background:var(--accent);
    transform:scaleY(0);transform-origin:top;
    transition:transform .5s var(--ease-out);
    z-index:1
}
/* Per-domain background imagery */
.project-tile::after{
    content:'';position:absolute;inset:0;
    background-size:cover;background-position:center;
    opacity:0;transition:opacity .5s ease;
    pointer-events:none;z-index:0;border-radius:6px
}
.project-tile:hover::after,.project-tile:focus::after,.project-tile.expanded::after{opacity:1}
.project-tile>*{position:relative;z-index:1}
.project-tile[data-domain="legal"]::after{background-image:linear-gradient(rgba(10,8,6,.82),rgba(10,8,6,.82)),url('../images/legal_scales_gavel.jpg')}
.project-tile[data-domain="pharma"]::after{background-image:linear-gradient(rgba(10,8,6,.82),rgba(10,8,6,.82)),url('../images/pharma_tech_holding_vials.jpg')}
.project-tile[data-domain="family-law"]::after{background-image:linear-gradient(rgba(10,8,6,.82),rgba(10,8,6,.82)),url('../images/legal_dcoument_signing_3.jpg')}
.project-tile[data-domain="cultural"]::after{background-image:linear-gradient(rgba(10,8,6,.82),rgba(10,8,6,.82)),url('../images/library_shelves.jpg')}
.project-tile[data-domain="education"]::after{background-image:linear-gradient(rgba(10,8,6,.82),rgba(10,8,6,.82)),url('../images/purdue_university_entrance.jpg')}
.project-tile[data-domain="corporate"]::after{background-image:linear-gradient(rgba(10,8,6,.82),rgba(10,8,6,.82)),url('../images/dollar_bill_close.jpg')}
.project-tile[data-domain="technical"]::after{background-image:linear-gradient(rgba(10,8,6,.82),rgba(10,8,6,.82)),url('../images/diagonal_curve_lines_texture.jpg')}
.project-tile:hover::before,.project-tile:focus::before,.project-tile.expanded::before{transform:scaleY(1)}
.project-tile:hover,.project-tile:focus{
    border-color:rgba(160,132,92,.15);
    transform:translateY(-3px);
    box-shadow:0 8px 28px rgba(0,0,0,.25)
}

.project-tile-icon{width:44px;height:44px;margin-bottom:20px;color:var(--accent)}
.project-tile-icon svg{width:100%;height:100%}
.project-tile-tag{
    display:inline-block;font-size:10px;font-weight:600;
    text-transform:uppercase;letter-spacing:.14em;
    color:var(--brand-blue-light);margin-bottom:10px
}
.project-tile h3{
    font-family:var(--font-display);
    font-size:17px;font-weight:700;
    color:var(--text-primary);margin-bottom:8px;line-height:1.35
}
.project-tile-summary{font-size:14px;color:#c4bdb4;line-height:1.55;margin-bottom:10px;display:block}
.project-tile-scale{font-size:11px;font-weight:500;color:#8a8278;letter-spacing:.02em}

/* Expand on hover/tap detail */
.project-tile-detail{
    max-height:0;overflow:hidden;
    transition:max-height .5s var(--ease-out),opacity .4s ease,margin .4s ease;
    opacity:0;margin-top:0
}
.project-tile:hover .project-tile-detail,
.project-tile:focus .project-tile-detail,
.project-tile.expanded .project-tile-detail{
    max-height:200px;opacity:1;margin-top:18px
}
.project-tile-detail p{
    font-size:14px;color:var(--text-secondary);line-height:1.7;
    padding-top:14px;border-top:1px solid var(--border)
}
/* Last tile spans full width for visual variety */
.project-tile:last-child{grid-column:1 / -1}
.project-tile:last-child{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto auto auto;column-gap:28px}
.project-tile:last-child .project-tile-icon{grid-row:1 / 3}
.project-tile:last-child .project-tile-detail{grid-column:1 / -1}


/* ========== CLIENTS + LANGUAGES ========== */
.clients{
    padding:var(--pad-y) 0;
    background:var(--bg-alt);
    border-top:1px solid var(--border);
    border-bottom:1px solid var(--border)
}
.clients .section-heading{margin-bottom:56px}
.clients-grid{display:grid;grid-template-columns:1fr 1fr;gap:88px}

.clients-col-heading{
    font-family:var(--font-display);
    font-size:22px;font-weight:700;
    color:var(--text-primary);letter-spacing:0;margin-bottom:14px
}
.clients-intro{font-size:15px;color:var(--text-muted);margin-bottom:24px;line-height:1.6}
.clients-list{display:flex;flex-direction:column;gap:16px}
.clients-list li{
    font-size:15px;color:var(--text-secondary);padding-left:24px;
    position:relative;line-height:1.6
}
.clients-list li::before{
    content:'';position:absolute;left:0;top:9px;
    width:5px;height:5px;background:var(--accent);border-radius:50%
}

.language-primary,.language-secondary{margin-top:28px}
.language-primary h4,.language-secondary h4{
    font-family:var(--font-display);
    font-size:18px;font-weight:700;
    color:var(--text-primary);margin-bottom:4px
}
.language-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.language-primary p,.language-secondary p{font-size:15px;color:var(--text-secondary);line-height:1.7}
.language-intro{font-size:15px;color:var(--text-secondary);margin-bottom:28px;line-height:1.7}
.language-stat{font-family:var(--font-display);font-size:42px;font-weight:700;color:var(--accent-light);letter-spacing:-.02em;line-height:1;margin-bottom:12px}
.language-more-text{font-size:13px;color:var(--text-muted);letter-spacing:.04em;line-height:1.6}


/* ========== AI ERA ========== */
.ai-era{
    padding:var(--pad-y) 0;
    background:linear-gradient(to bottom,var(--bg-base),var(--bg-elevated) 20%,var(--bg-elevated) 80%,var(--bg-base));
    position:relative
}
.ai-era::before{
    content:'';position:absolute;inset:0;
    background-image:url('../images/leather_dark_texture.jpg');
    background-size:800px 800px;background-repeat:repeat;
    opacity:.22;pointer-events:none;z-index:0;
    transition:opacity .7s ease
}
.ai-era .container{position:relative;z-index:1}
.ai-era-content{max-width:640px;margin:0 auto;text-align:center}
.ai-era-lead{font-size:17px;color:var(--text-secondary);margin-bottom:32px;line-height:1.8}
.ai-era-points{display:flex;flex-direction:column;gap:18px;margin-bottom:32px;align-items:center}
.ai-era-point{display:flex;align-items:flex-start;gap:16px;text-align:left}
.ai-era-marker{flex-shrink:0;width:6px;height:6px;margin-top:10px;background:var(--accent);border-radius:50%}
.ai-era-point p{font-size:16px;color:var(--text-primary);line-height:1.6}
.ai-era-closing{
    font-family:var(--font-display);
    font-size:16px;color:var(--text-secondary);
    line-height:1.7;font-style:italic
}



/* ========== CONTACT ========== */
.contact{padding:var(--pad-y) 0;background:linear-gradient(to bottom,var(--bg-base),var(--bg-footer))}
.contact-split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.contact-image{border-radius:8px;overflow:hidden;aspect-ratio:3/4;position:sticky;top:120px}
.contact-image img{width:100%;height:100%;object-fit:cover;display:block}
.contact-content{max-width:100%}
.contact-heading{
    font-family:var(--font-display);
    font-size:48px;font-weight:700;
    color:var(--text-primary);letter-spacing:-.01em;
    line-height:1.15;margin-bottom:28px
}
.contact-lead{font-size:17px;color:var(--text-secondary);line-height:1.8;margin-bottom:10px}
.contact-subtext{font-size:15px;color:var(--text-muted);margin-bottom:52px}
.contact-details{display:flex;flex-direction:column;gap:24px;margin-bottom:64px}
.contact-line{
    display:flex;align-items:center;gap:18px;
    font-size:17px;color:var(--text-primary);transition:color .3s ease
}
.contact-line svg{flex-shrink:0;color:var(--brand-blue)}
a.contact-line:hover{color:var(--accent-light)}
.contact-location{font-size:15px;color:var(--text-secondary)}

.contact-notes{display:flex;flex-direction:column;gap:32px;padding-top:52px;border-top:1px solid var(--border)}
.contact-note h4{
    font-family:var(--font-body);
    font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;
    color:var(--text-primary);margin-bottom:8px
}
.contact-note p{font-size:15px;color:var(--text-secondary);line-height:1.7}


/* ========== FOOTER ========== */
.site-footer{padding:80px 0 48px;background:var(--bg-footer);border-top:1px solid var(--border)}
.footer-statement{margin-bottom:64px}
.footer-statement h2{
    font-family:var(--font-display);
    font-size:72px;font-weight:700;
    color:var(--text-primary);
    line-height:1.1;letter-spacing:-.02em
}
.footer-content{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-brand{
    display:flex;align-items:center;gap:10px;
    font-family:var(--font-display);
    font-size:14px;font-weight:700;color:var(--text-primary)
}
.footer-brand img{width:22px;height:22px;object-fit:contain}
.footer-copy,.footer-address{font-size:12px;color:var(--text-muted);letter-spacing:.02em}



/* ========== LIGHT SECTION OVERRIDES ========== */
/* Placed AFTER all section definitions so these win specificity */
section.light-section{
    background:var(--bg-light) !important;
    border-top:none !important;
    border-bottom:none !important
}
section.light-section .section-heading{color:var(--text-light-primary)}
section.light-section .section-subheading{color:var(--text-light-secondary)}
section.light-section .challenge-lead{color:var(--text-light-secondary)}
section.light-section .challenge-point strong{color:var(--text-light-primary)}
section.light-section .challenge-point p{color:var(--text-light-secondary)}
section.light-section .challenge-closing{color:var(--text-light-primary)}
section.light-section .logo-strip-label{color:var(--text-light-muted)}
section.light-section .clients-col-heading{color:var(--text-light-primary)}
section.light-section .clients-intro{color:var(--text-light-muted)}
section.light-section .clients-list li{color:var(--text-light-secondary)}
section.light-section .language-primary h4,
section.light-section .language-secondary h4{color:var(--text-light-primary)}
section.light-section .language-primary p,
section.light-section .language-secondary p{color:var(--text-light-secondary)}
section.light-section .language-label{color:var(--accent)}
section.light-section .language-intro{color:var(--text-light-secondary) !important}
section.light-section .language-more-text{color:var(--text-light-muted) !important}
section.light-section .challenge .section-heading{color:var(--text-light-primary)}
/* contact light overrides — .contact.light-section is more specific than section.light-section */
.contact.light-section .contact-heading{color:#1a1715 !important}
.contact.light-section .contact-lead{color:#1a1715 !important}
.contact.light-section .contact-subtext{color:#3a3530 !important}
.contact.light-section .contact-line{color:#1a1715 !important}
.contact.light-section .contact-line span{color:#1a1715 !important}
.contact.light-section .contact-location{color:#3a3530 !important}
.contact.light-section .contact-location span{color:#3a3530 !important}
.contact.light-section .contact-notes{border-top-color:rgba(26,23,21,.15) !important}
.contact.light-section .contact-note h4{color:#1a1715 !important}
.contact.light-section .contact-note p{color:#1a1715 !important}
.contact.light-section .contact-line svg{color:var(--brand-blue) !important}


/* ========== COLOR FLIP — dark sections brighten as you scroll ========== */
[data-flip]{transition:background .7s ease,border-color .7s ease}

/* .why brightened */
[data-flip].brightened{background:var(--bg-light) !important;border-color:transparent !important}
[data-flip].brightened .section-heading{color:var(--text-light-primary) !important}
[data-flip].brightened .why-card{
    background:var(--bg-light-card) !important;
    border-color:var(--border-light) !important
}
[data-flip].brightened .why-card h3{color:var(--text-light-primary) !important}
[data-flip].brightened .why-card p{color:var(--text-light-secondary) !important}


/* ========== RESPONSIVE: TABLET ========== */
@media(max-width:1024px){
    :root{--pad-y:100px}
    .container{padding:0 36px}
    .nav-container{padding:0 36px}
    .hero-heading{font-size:48px}
    .projects-grid{grid-template-columns:repeat(2,1fr)}
    .why-grid{gap:20px}
    .why-card{padding:36px}
    .clients-grid{gap:48px}
    .challenge-split{gap:48px}
    .contact-split{gap:48px}
    .contact-heading{font-size:40px}
    .footer-statement h2{font-size:56px}
    .hero-stats-grid{gap:16px}
    .stat-number{font-size:44px}
}

/* ========== RESPONSIVE: MOBILE ========== */
@media(max-width:768px){
    :root{--pad-y:72px;--nav-h:68px}
    body{font-size:16px}
    .container{padding:0 24px}
    .nav-container{padding:0 24px}
    .nav-toggle{display:flex}
    .nav-links{
        position:fixed;top:var(--nav-h);left:0;right:0;
        background:rgba(19,17,16,.97);
        backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
        flex-direction:column;align-items:flex-start;
        padding:36px 24px;gap:28px;
        transform:translateY(-100%);opacity:0;pointer-events:none;
        transition:transform .3s ease,opacity .3s ease;
        border-bottom:1px solid var(--border)
    }
    .nav-links.open{transform:translateY(0);opacity:1;pointer-events:all}
    .nav-links a{font-size:15px;letter-spacing:.06em}
    .nav-cta{display:none}
    .nav-logo-text{font-size:15px}
    /* Compact white nav mobile adjustments */
    .site-header.nav-compact .nav-links{background:rgba(255,255,255,.97)}
    .site-header.nav-compact .nav-links a{color:#1a1715}
    .nav-float-logo{left:24px}
    .nav-float-phone{right:24px;padding:10px 14px}
    .nav-float-phone a{font-size:12px}
    .site-header.nav-compact{left:16px;right:16px}

    .hero{padding-top:calc(var(--nav-h) + 56px);min-height:auto}
    .hero-heading{font-size:34px;letter-spacing:-.01em}
    .hero-subheading{font-size:18px}
    .section-heading{font-size:30px}
    .challenge .section-heading{font-size:26px}

    .why-grid{grid-template-columns:1fr;gap:16px}
    .why-card{padding:32px}
    .why-card h3{font-size:18px}

    .hero-label{gap:12px}
    .hero-label-line{width:24px}

    .hero-stats{padding:32px 0 40px}
    .hero-stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
    .stat-number{font-size:32px}

    .projects-grid{grid-template-columns:1fr}
    /* Auto-expand all project tile details on mobile — no hover state available */
    .project-tile-detail{max-height:200px;opacity:1;margin-top:14px}
    .project-tile{cursor:default}
    .project-tile:last-child{grid-column:auto;display:block}

    .clients-grid{grid-template-columns:1fr;gap:48px}
    .challenge-split{grid-template-columns:1fr}
    .challenge-image{display:none}
    .contact-split{grid-template-columns:1fr}
    .contact-image{display:none}
    .challenge-content{padding-left:24px}
    .footer-statement h2{font-size:40px}

    .contact-heading{font-size:32px}
    .contact-notes{gap:24px}
    .footer-content{flex-direction:column;align-items:flex-start;gap:8px}
    .inline-cta{flex-direction:column}
    .inline-cta .btn{text-align:center}
}

/* ========== RESPONSIVE: SMALL MOBILE ========== */
@media(max-width:480px){
    .hero-heading{font-size:28px}
    .hero-subheading{font-size:17px}
    .section-heading{font-size:24px}
    .contact-heading{font-size:28px}
    .btn{width:100%;text-align:center}
    .stat-number{font-size:30px}
    .footer-statement h2{font-size:32px}
    .project-tile:last-child{display:block}
}

/* ========== MOBILE: disable hover-expand for project tiles ========== */
@media(hover:none){
    .project-tile:hover .project-tile-detail{max-height:0;opacity:0;margin-top:0}
    .project-tile.expanded .project-tile-detail{max-height:200px;opacity:1;margin-top:16px}
}