/* ==========================================================================
   Carlisle Controls Integration
   Built on CodeStitch component structure (cs-* naming convention)
   Palette: deep navy + signal amber  |  Type: Archivo + IBM Plex Sans
   ========================================================================== */

/* ---------------------------------- */
/*          Design Tokens             */
/* ---------------------------------- */
:root {
    /* Brand */
    --navy:        #021a3a;   /* deepest blue, dark sections */
    --navy-700:    #042a52;
    --navy-600:    #013168;
    --primary:     #013a81;   /* CC1 brand blue */
    --primary-700: #012a5e;
    --accent:      #1486c6;   /* signal blue — complements the brand blue */
    --accent-600:  #1170a8;
    --accent-700:  #0e5e8c;

    /* Neutrals */
    --ink:         #08192f;   /* primary text on light */
    --body:        #475a6c;   /* body copy */
    --muted:       #6b7c8c;   /* secondary text */
    --line:        #e2e8ee;   /* hairline borders */
    --bg:          #ffffff;
    --bg-alt:      #f4f6f9;   /* light section bg */
    --bg-tint:     #eef2f6;
    --white:       #ffffff;

    /* Type */
    --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
    --font-body:    "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;

    /* Fluid scale */
    --h1: clamp(2.5rem, 1.4rem + 4vw, 4.1rem);
    --h2: clamp(1.95rem, 1.3rem + 2.4vw, 3rem);
    --h3: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem);

    /* Rhythm */
    --section-y: clamp(3.75rem, 2.5rem + 5vw, 7rem);
    --container: 80rem;       /* 1280px */
    --radius: 6px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(2, 26, 58, 0.06), 0 2px 6px rgba(2, 26, 58, 0.05);
    --shadow-md: 0 10px 30px rgba(2, 26, 58, 0.10);
    --shadow-lg: 0 24px 60px rgba(2, 26, 58, 0.18);
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------------------------------- */
/*              Reset                 */
/* ---------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--body);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img,
picture,
svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

ul { list-style: none; padding: 0; }

input,
select,
textarea { font: inherit; color: inherit; }

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ---------------------------------- */
/*           Typography               */
/* ---------------------------------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--ink);
    line-height: 1.08;
    font-weight: 700;
    letter-spacing: -0.015em;
}

.cs-topper {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-700);
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 2.25rem;
}
.cs-topper::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 1.75rem;
    height: 2px;
    background: var(--accent);
}
.cs-topper.center { padding-left: 0; }
.cs-topper.center::before { display: none; }

.cs-title {
    font-size: var(--h2);
    max-width: 22ch;
}

.cs-text {
    font-size: 1.0625rem;
    color: var(--body);
    max-width: 60ch;
    margin-top: 1.25rem;
}

/* ---------------------------------- */
/*             Buttons                */
/* ---------------------------------- */
.cs-button-solid,
.cs-button-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 3.25rem;
    padding: 0 1.85rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--radius);
    transition: transform 0.2s var(--ease), background-color 0.2s var(--ease),
                color 0.2s var(--ease), box-shadow 0.2s var(--ease);
    white-space: nowrap;
}

.cs-button-solid {
    background-color: var(--accent);
    color: #fff;
    box-shadow: 0 6px 18px rgba(20, 134, 198, 0.30);
}
.cs-button-solid:hover {
    background-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.cs-button-ghost {
    background-color: transparent;
    color: var(--navy);
    box-shadow: inset 0 0 0 2px var(--line);
}
.cs-button-ghost:hover {
    box-shadow: inset 0 0 0 2px var(--navy);
    transform: translateY(-2px);
}

/* on dark backgrounds */
.cs-on-dark .cs-button-ghost,
.cs-button-ghost.on-dark {
    color: #fff;
    box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.35);
}
.cs-on-dark .cs-button-ghost:hover,
.cs-button-ghost.on-dark:hover {
    box-shadow: inset 0 0 0 2px #fff;
    background: rgba(255, 255, 255, 0.06);
}

/* ---------------------------------- */
/*             Layout                 */
/* ---------------------------------- */
.cs-container {
    width: 92%;
    max-width: var(--container);
    margin-inline: auto;
}

section { position: relative; }

.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;
}

.cs-section-head { max-width: 60rem; }
.cs-section-head.center { margin-inline: auto; text-align: center; }
.cs-section-head.center .cs-title { margin-inline: auto; }
.cs-section-head.center .cs-text { margin-inline: auto; }

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
#cs-navigation {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow 0.25s var(--ease), background-color 0.25s var(--ease);
}
#cs-navigation.cs-scrolled {
    box-shadow: 0 6px 24px rgba(2, 26, 58, 0.08);
}
#cs-navigation .cs-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 4.75rem;
}

/* Logo */
.cs-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    flex: none;
}
.cs-logo .cs-mark { width: 2.5rem; height: 2.5rem; flex: none; }
.cs-logo-mark { height: 2.5rem; width: auto; flex: none; display: block; }
/* footer sits on dark navy — turn the blue+black logo solid white */
.cs-logo-mark-light { filter: brightness(0) invert(1); }
.cs-logo-text { display: flex; flex-direction: column; line-height: 1; }
.cs-logo-name {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.18rem;
    letter-spacing: 0.02em;
    color: var(--navy);
    text-transform: uppercase;
}
.cs-logo-sub {
    font-size: 0.62rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
    margin-top: 3px;
}

/* Nav list */
.cs-nav { display: flex; align-items: center; }
.cs-ul { display: flex; align-items: center; gap: 0.35rem; }
.cs-li { position: relative; }

.cs-li-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.55rem 0.85rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--navy);
    border-radius: var(--radius);
    transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.cs-li-link:hover { color: var(--accent-700); }
.cs-li-link.cs-active { color: var(--accent-700); }
.cs-li-link.cs-active::after {
    content: "";
    position: absolute;
    left: 0.85rem; right: 0.85rem;
    bottom: -0.35rem;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

/* Dropdown */
.cs-drop-icon { width: 0.7rem; height: 0.7rem; transition: transform 0.25s var(--ease); }
.cs-dropdown:hover .cs-drop-icon,
.cs-dropdown-toggle[aria-expanded="true"] .cs-drop-icon { transform: rotate(180deg); }

.cs-drop-ul {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    min-width: 16rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
}
.cs-dropdown:hover .cs-drop-ul,
.cs-dropdown:focus-within .cs-drop-ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.cs-drop-li { display: block; }
.cs-drop-link {
    display: block;
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--body);
}
.cs-drop-link:hover { background: var(--bg-alt); color: var(--accent-700); }

/* Contact group (phone + cta) */
.cs-contact-group { display: flex; align-items: center; gap: 1.25rem; flex: none; }
.cs-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--navy);
}
.cs-phone svg { width: 1.1rem; height: 1.1rem; color: var(--accent-700); }
.cs-phone:hover { color: var(--accent-700); }

/* Hamburger */
.cs-toggle {
    display: none;
    width: 2.75rem; height: 2.75rem;
    align-items: center;
    justify-content: center;
}
.cs-box { position: relative; width: 1.5rem; height: 0.85rem; }
.cs-line {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: transform 0.3s var(--ease), opacity 0.2s var(--ease), top 0.3s var(--ease);
}
.cs-line1 { top: 0; }
.cs-line2 { top: 0.4rem; }
.cs-line3 { top: 0.8rem; }
.cs-toggle[aria-expanded="true"] .cs-line1 { top: 0.4rem; transform: rotate(45deg); }
.cs-toggle[aria-expanded="true"] .cs-line2 { opacity: 0; }
.cs-toggle[aria-expanded="true"] .cs-line3 { top: 0.4rem; transform: rotate(-45deg); }

/* ==========================================================================
   HERO  (#hero)
   ========================================================================== */
#hero {
    position: relative;
    padding: clamp(2.75rem, 2rem + 4vw, 5rem) 0 clamp(2.5rem, 2rem + 3vw, 4.5rem);
    background:
        radial-gradient(1200px 500px at 80% -10%, rgba(20, 134, 198, 0.16), transparent 60%),
        linear-gradient(180deg, var(--navy) 0%, var(--navy-700) 100%);
    color: #fff;
    overflow: hidden;
    isolation: isolate;
}
/* technical grid overlay */
#hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(120% 100% at 50% 0%, #000 40%, transparent 85%);
}
#hero .cs-container {
    display: grid;
    gap: 3rem;
    align-items: center;
}
.cs-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #cfe0f0;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 0.45rem 0.95rem;
    border-radius: 100px;
    margin-bottom: 1.6rem;
}
.cs-hero-badge .dot {
    width: 0.5rem; height: 0.5rem; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(20, 134, 198, 0.25);
}
#hero h1 {
    color: #fff;
    font-size: var(--h1);
    max-width: 16ch;
    font-weight: 800;
}
#hero h1 .accent { color: var(--accent); }
#hero .cs-text {
    color: #c4d3e2;
    max-width: 50ch;
    font-size: 1.18rem;
    margin-top: 1.5rem;
}
.cs-hero-buttons { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.25rem; }

.cs-hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.25rem;
    padding-top: 1.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.cs-hero-stat .num {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.85rem;
    color: #fff;
    line-height: 1;
}
.cs-hero-stat .label {
    font-size: 0.85rem;
    color: #9fb3c6;
    margin-top: 0.35rem;
}

/* ==========================================================================
   LOGO / PLATFORM STRIP
   ========================================================================== */
#platforms {
    background: var(--bg-alt);
    border-bottom: 1px solid var(--line);
    padding: 2.5rem 0;
}
#platforms .cs-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 2.5rem;
    justify-content: center;
}
#platforms .label {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
}
.cs-platform-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; }
.cs-platform-chips span {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--navy);
    background: #fff;
    border: 1px solid var(--line);
    padding: 0.4rem 0.9rem;
    border-radius: 100px;
}

/* ==========================================================================
   SERVICES CARDS
   ========================================================================== */
#services { padding: var(--section-y) 0; }
.cs-card-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}
.cs-item {
    position: relative;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2rem 1.85rem 1.85rem;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
    overflow: hidden;
}
.cs-item::after {
    content: "";
    position: absolute;
    inset: auto auto 0 0;
    height: 3px;
    width: 100%;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--ease);
}
.cs-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}
.cs-item:hover::after { transform: scaleX(1); }

.cs-icon-box {
    width: 3.5rem;
    height: 3.5rem;
    display: grid;
    place-items: center;
    border-radius: var(--radius);
    background: linear-gradient(160deg, var(--navy) 0%, var(--primary) 100%);
    color: var(--accent);
    margin-bottom: 1.35rem;
}
.cs-icon-box svg { width: 1.85rem; height: 1.85rem; }
.cs-item .cs-h3 {
    font-size: 1.3rem;
    color: var(--navy);
    margin-bottom: 0.6rem;
}
.cs-item-text { font-size: 0.98rem; color: var(--body); }
.cs-item-list {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.cs-item-list li {
    position: relative;
    padding-left: 1.4rem;
    font-size: 0.92rem;
    color: var(--muted);
}
.cs-item-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 0.55rem; height: 0.55rem;
    border: 2px solid var(--accent);
    border-radius: 2px;
}
.cs-fake-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.4rem;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--primary);
}
.cs-fake-link svg { width: 1.05rem; height: 1.05rem; transition: transform 0.2s var(--ease); }
.cs-item:hover .cs-fake-link svg { transform: translateX(4px); }
.cs-item:hover .cs-fake-link { color: var(--accent-700); }

/* ==========================================================================
   WHO WE SERVE  (audience)
   ========================================================================== */
#audience {
    padding: var(--section-y) 0;
    background: var(--navy);
    color: #fff;
    overflow: hidden;
    isolation: isolate;
}
#audience::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 46px 46px;
    opacity: 0.7;
}
#audience .cs-title { color: #fff; }
#audience .cs-text { color: #b9c8d6; }
.cs-audience-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}
.cs-audience-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: var(--radius-lg);
    padding: 2rem 1.85rem;
    transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.cs-audience-card:hover {
    transform: translateY(-6px);
    border-color: rgba(20, 134, 198, 0.5);
    background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
}
.cs-audience-card .cs-icon-box { background: rgba(20, 134, 198, 0.14); color: var(--accent); }
.cs-audience-card h3 { color: #fff; font-size: 1.25rem; margin-bottom: 0.6rem; }
.cs-audience-card p { color: #b9c8d6; font-size: 0.97rem; }

/* ==========================================================================
   SIDE BY SIDE
   ========================================================================== */
.cs-sbs { padding: var(--section-y) 0; }
.cs-sbs.alt { background: var(--bg-alt); }
.cs-sbs .cs-container {
    display: grid;
    gap: clamp(2.5rem, 1rem + 5vw, 5rem);
    align-items: center;
}
.cs-sbs .cs-features { margin-top: 1.75rem; }
.cs-feature-list { display: grid; gap: 0.9rem; }
.cs-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    font-size: 1.02rem;
    color: var(--ink);
}
.cs-feature-list svg {
    flex: none;
    width: 1.5rem; height: 1.5rem;
    color: var(--accent);
    margin-top: 0.15rem;
}
.cs-sbs .cs-button-solid { margin-top: 2rem; }

/* image + floating stat */
.cs-image-group { position: relative; }
.cs-image-group .cs-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background:
        radial-gradient(700px 400px at 70% 20%, rgba(20, 134, 198,0.22), transparent 60%),
        linear-gradient(150deg, var(--navy) 0%, var(--primary) 100%);
    box-shadow: var(--shadow-md);
    display: grid;
    place-items: center;
}
.cs-image-group .cs-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: radial-gradient(80% 80% at 50% 50%, #000 30%, transparent 75%);
}
.cs-image-group .cs-visual svg { width: 45%; height: auto; color: rgba(255,255,255,0.92); position: relative; }
.cs-image-group .cs-visual img { width: 100%; height: 100%; object-fit: cover; }

.cs-box {
    position: absolute;
    left: -0.5rem;
    bottom: -1.25rem;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1.4rem 1.6rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 19rem;
    border: 1px solid var(--line);
}
.cs-box .cs-number {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 2.4rem;
    color: var(--accent-700);
    line-height: 1;
}
.cs-box .cs-heading { display: block; font-weight: 700; color: var(--navy); font-size: 0.98rem; font-family: var(--font-display); }
.cs-box .cs-desc { display: block; font-size: 0.85rem; color: var(--muted); margin-top: 0.15rem; }

/* ==========================================================================
   PROCESS
   ========================================================================== */
#process { padding: var(--section-y) 0; background: var(--bg-alt); }
.cs-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
    counter-reset: step;
}
.cs-step {
    position: relative;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem 1.75rem;
}
.cs-step::before {
    counter-increment: step;
    content: "0" counter(step);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 2.4rem;
    color: var(--bg-tint);
    line-height: 1;
    display: block;
    margin-bottom: 0.75rem;
    transition: color 0.25s var(--ease);
}
.cs-step:hover::before { color: var(--accent); }
.cs-step h3 { font-size: 1.18rem; color: var(--navy); margin-bottom: 0.45rem; }
.cs-step p { font-size: 0.95rem; color: var(--body); }

/* ==========================================================================
   CTA BAND
   ========================================================================== */
#cta {
    padding: clamp(3.5rem, 2rem + 5vw, 6rem) 0;
    background:
        radial-gradient(900px 400px at 15% 0%, rgba(20, 134, 198, 0.18), transparent 55%),
        linear-gradient(120deg, var(--navy) 0%, var(--primary-700) 100%);
    color: #fff;
    overflow: hidden;
    isolation: isolate;
}
#cta::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 44px 44px;
}
#cta .cs-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}
#cta .cs-title { color: #fff; max-width: 24ch; }
#cta .cs-text { color: #c8d6e4; margin-top: 1rem; }
#cta .cs-cta-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ==========================================================================
   CONTACT  (form + map)
   ========================================================================== */
#contact { padding: var(--section-y) 0; }
#contact .cs-container {
    display: grid;
    gap: clamp(2.5rem, 1rem + 5vw, 4.5rem);
    align-items: start;
}
.cs-form { display: grid; gap: 1.1rem; margin-top: 2rem; }
.cs-form-row { display: grid; gap: 1.1rem; }
.cs-label {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--navy);
}
.cs-input {
    height: 3.25rem;
    padding: 0 1rem;
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
    font-weight: 400;
}
.cs-input::placeholder { color: #9aa9b7; }
.cs-input:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(1, 58, 129, 0.12);
}
.cs-textarea { height: auto; min-height: 9rem; padding: 0.85rem 1rem; resize: vertical; line-height: 1.6; }
select.cs-input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23013a81' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; background-size: 1.1rem; padding-right: 2.75rem; }
.cs-submit { margin-top: 0.4rem; width: 100%; }

/* contact aside */
.cs-contact-aside { display: grid; gap: 1.25rem; }
.cs-contact-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}
.cs-contact-card .cs-icon-box { width: 3rem; height: 3rem; margin: 0; flex: none; }
.cs-contact-card .cs-icon-box svg { width: 1.5rem; height: 1.5rem; }
.cs-contact-card h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 0.2rem; }
.cs-contact-card a, .cs-contact-card p { color: var(--body); font-size: 0.98rem; word-break: break-word; }
.cs-contact-card a:hover { color: var(--accent-700); }
.cs-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
}
.cs-map iframe { width: 100%; height: 18rem; border: 0; display: block; filter: grayscale(0.25); }
.cs-map-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.85rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-700);
}
.cs-map-link svg { width: 0.95rem; height: 0.95rem; }
.cs-map-link:hover { color: var(--primary); }

.cs-form-note { font-size: 0.85rem; color: var(--muted); margin-top: 0.25rem; }

/* form status message */
.cs-form-status {
    display: none;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    font-size: 0.92rem;
    font-weight: 500;
}
.cs-form-status.show { display: block; }
.cs-form-status.success { background: #e8f4ec; color: #1d6b3b; border: 1px solid #bfe0cb; }

/* ==========================================================================
   INNER PAGE HERO
   ========================================================================== */
.cs-page-hero {
    position: relative;
    padding: clamp(3.5rem, 2.5rem + 5vw, 6.5rem) 0 clamp(3rem, 2rem + 4vw, 5rem);
    background:
        radial-gradient(900px 400px at 85% -20%, rgba(20, 134, 198, 0.16), transparent 60%),
        linear-gradient(180deg, var(--navy) 0%, var(--navy-700) 100%);
    color: #fff;
    overflow: hidden;
    isolation: isolate;
}
.cs-page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(120% 120% at 80% 0%, #000 40%, transparent 85%);
}
.cs-page-hero h1 { color: #fff; font-size: clamp(2.2rem, 1.5rem + 3vw, 3.4rem); max-width: 20ch; font-weight: 800; }
.cs-page-hero .cs-text { color: #c4d3e2; max-width: 56ch; font-size: 1.12rem; }
.cs-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #9fb3c6;
    margin-bottom: 1.25rem;
}
.cs-breadcrumb a:hover { color: #fff; }
.cs-breadcrumb span { color: var(--accent); }

/* ==========================================================================
   SERVICE DETAIL ROWS
   ========================================================================== */
.cs-service-detail { padding: var(--section-y) 0; scroll-margin-top: 6rem; }
.cs-service-detail.alt { background: var(--bg-alt); }
.cs-service-detail .cs-container {
    display: grid;
    gap: clamp(2.5rem, 1rem + 5vw, 4.5rem);
    align-items: center;
}
.cs-service-detail .cs-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--accent-700);
    margin-bottom: 0.75rem;
}
.cs-service-detail .cs-eyebrow .cs-icon-box { width: 2.75rem; height: 2.75rem; margin: 0; }
.cs-service-detail .cs-eyebrow .cs-icon-box svg { width: 1.4rem; height: 1.4rem; }
.cs-tools {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}
.cs-tools .label { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.cs-tools-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.7rem; }
.cs-tools-chips span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--navy);
    background: #fff;
    border: 1px solid var(--line);
    padding: 0.35rem 0.8rem;
    border-radius: 100px;
}
.cs-service-detail.alt .cs-tools-chips span { background: var(--bg-alt); }
.cs-service-visual {
    border-radius: var(--radius-lg);
    aspect-ratio: 4 / 3;
    background:
        radial-gradient(600px 360px at 30% 20%, rgba(20, 134, 198,0.2), transparent 60%),
        linear-gradient(150deg, var(--navy) 0%, var(--primary) 100%);
    display: grid;
    place-items: center;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    position: relative;
}
.cs-service-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: radial-gradient(80% 80% at 50% 50%, #000 30%, transparent 78%);
}
.cs-service-visual svg { width: 42%; color: rgba(255,255,255,0.92); position: relative; }
.cs-note {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    margin-top: 1.5rem;
    padding: 1rem 1.15rem;
    background: rgba(20, 134, 198, 0.08);
    border: 1px solid rgba(20, 134, 198, 0.25);
    border-radius: var(--radius);
    font-size: 0.92rem;
    color: var(--ink);
}
.cs-note svg { flex: none; width: 1.25rem; height: 1.25rem; color: var(--accent-700); margin-top: 0.15rem; }

/* ==========================================================================
   GENERIC FEATURE / VALUE GRID (about, solutions, careers)
   ========================================================================== */
.cs-grid-section { padding: var(--section-y) 0; }
.cs-grid-section.alt { background: var(--bg-alt); }
.cs-grid-3, .cs-grid-2, .cs-grid-4 { display: grid; gap: 1.5rem; margin-top: 3rem; }
.cs-feature-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2rem 1.85rem;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.cs-grid-section.alt .cs-feature-card { background: #fff; }
.cs-feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.cs-feature-card .cs-icon-box { width: 3rem; height: 3rem; margin-bottom: 1.1rem; }
.cs-feature-card .cs-icon-box svg { width: 1.55rem; height: 1.55rem; }
.cs-feature-card h3 { font-size: 1.2rem; color: var(--navy); margin-bottom: 0.5rem; }
.cs-feature-card p { font-size: 0.97rem; color: var(--body); }
.cs-feature-card .cs-mini-list { margin-top: 0.9rem; display: grid; gap: 0.4rem; }
.cs-feature-card .cs-mini-list li { position: relative; padding-left: 1.3rem; font-size: 0.9rem; color: var(--muted); }
.cs-feature-card .cs-mini-list li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 0.5rem; height: 0.5rem; background: var(--accent); border-radius: 2px; }

/* about lead / two-col text */
.cs-prose { max-width: 65ch; }
.cs-prose p { margin-bottom: 1.1rem; font-size: 1.05rem; }
.cs-prose p:last-child { margin-bottom: 0; }

/* Legal / policy pages */
.cs-legal { max-width: 52rem; }
.cs-legal p { margin-bottom: 1.1rem; font-size: 1.02rem; color: var(--body); }
.cs-legal h2 { font-size: 1.4rem; color: var(--navy); margin: 2.25rem 0 0.75rem; }
.cs-legal h3 { font-size: 1.08rem; color: var(--navy); margin: 1.4rem 0 0.5rem; }
.cs-legal ul { list-style: disc; padding-left: 1.4rem; margin: 0.5rem 0 1.2rem; }
.cs-legal li { margin-bottom: 0.5rem; font-size: 1.02rem; color: var(--body); }
.cs-legal a { color: var(--accent-700); font-weight: 600; }
.cs-legal a:hover { color: var(--primary); }
.cs-legal strong { color: var(--navy); }
.cs-legal-updated { font-size: 0.92rem; color: var(--muted); margin-bottom: 2rem !important; }

/* stat band */
.cs-statband { background: var(--navy); color: #fff; padding: clamp(2.5rem, 1.5rem + 3vw, 4rem) 0; }
.cs-stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; text-align: center; }
.cs-stat-grid .num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 1.2rem + 3vw, 3rem); color: var(--accent); line-height: 1; }
.cs-stat-grid .label { color: #b9c8d6; font-size: 0.92rem; margin-top: 0.5rem; }

/* careers / value list rows */
.cs-list-rows { margin-top: 2.5rem; display: grid; gap: 1rem; }
.cs-list-row {
    display: grid;
    gap: 0.5rem 1.5rem;
    grid-template-columns: 1fr;
    align-items: start;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.6rem 1.75rem;
}
.cs-list-row h3 { font-size: 1.15rem; color: var(--navy); }
.cs-list-row p { font-size: 0.97rem; color: var(--body); }

/* callout panel (careers no-openings, etc.) */
.cs-callout {
    background: linear-gradient(140deg, var(--navy) 0%, var(--primary) 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 1.5rem + 2vw, 3.25rem);
    overflow: hidden;
    position: relative;
    isolation: isolate;
}
.cs-callout::before {
    content: "";
    position: absolute; inset: 0; z-index: -1;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}
.cs-callout h2 { color: #fff; }
.cs-callout p { color: #c8d6e4; margin-top: 0.85rem; max-width: 55ch; }
.cs-callout .cs-button-solid { margin-top: 1.75rem; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
#cs-footer {
    background: var(--navy);
    color: #b9c8d6;
    padding: clamp(3.5rem, 2.5rem + 4vw, 5.5rem) 0 2rem;
    position: relative;
    isolation: isolate;
}
#cs-footer::before {
    content: "";
    position: absolute; inset: 0 0 auto 0; height: 100%; z-index: -1;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 48px 48px;
}
.cs-footer-top {
    display: grid;
    gap: 2.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.cs-footer-brand .cs-logo-name { color: #fff; }
.cs-footer-brand .cs-logo-sub { color: #8499ab; }
/* Footer shows the CC1 mark on its own — the name repeats in the copyright line */
.cs-footer-brand .cs-logo-text { display: none; }
.cs-footer-brand .cs-logo-mark { height: 2.9rem; }
.cs-footer-brand p { margin-top: 1.25rem; max-width: 32ch; font-size: 0.95rem; color: #93a6b8; }
.cs-footer-social { display: flex; gap: 0.6rem; margin-top: 1.5rem; }
.cs-footer-social a {
    width: 2.4rem; height: 2.4rem;
    display: grid; place-items: center;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #cdd9e4;
    transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.cs-footer-social a:hover { background: var(--accent); color: var(--navy); transform: translateY(-2px); }
.cs-footer-social svg { width: 1.05rem; height: 1.05rem; }

.cs-footer-col h4 {
    color: #fff;
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.1rem;
    font-family: var(--font-body);
    font-weight: 700;
}
.cs-footer-col ul { display: grid; gap: 0.65rem; }
.cs-footer-col a, .cs-footer-col li { font-size: 0.95rem; color: #93a6b8; }
.cs-footer-col a:hover { color: var(--accent); }
.cs-footer-contact li { display: flex; align-items: flex-start; gap: 0.6rem; }
.cs-footer-contact svg { width: 1.05rem; height: 1.05rem; color: var(--accent); flex: none; margin-top: 0.25rem; }

.cs-footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 2rem;
    font-size: 0.85rem;
    color: #7d92a4;
}
.cs-footer-bottom a:hover { color: var(--accent); }

/* ==========================================================================
   SCROLL REVEAL
   ========================================================================== */
/* Only hide reveal elements when JS is available (progressive enhancement);
   without the .js class the content stays visible. */
.js .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
    will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (min-width: 48rem) {
    .cs-card-group { grid-template-columns: repeat(2, 1fr); }
    .cs-audience-grid { grid-template-columns: repeat(3, 1fr); }
    .cs-steps { grid-template-columns: repeat(2, 1fr); }
    .cs-grid-2 { grid-template-columns: repeat(2, 1fr); }
    .cs-grid-3 { grid-template-columns: repeat(3, 1fr); }
    .cs-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .cs-form-row { grid-template-columns: repeat(2, 1fr); }
    .cs-footer-top { grid-template-columns: 1.6fr 1fr 1fr 1.4fr; }
    .cs-stat-grid { grid-template-columns: repeat(4, 1fr); }
    .cs-list-row { grid-template-columns: 14rem 1fr; }
    .cs-list-row h3 { padding-top: 0.1rem; }
}

@media (min-width: 64rem) {
    #hero .cs-container { grid-template-columns: 1.05fr 0.95fr; }
    .cs-sbs .cs-container { grid-template-columns: 1fr 1fr; }
    .cs-sbs.reverse .cs-content { order: 2; }
    .cs-card-group { grid-template-columns: repeat(4, 1fr); }
    .cs-steps { grid-template-columns: repeat(4, 1fr); }
    .cs-grid-4 { grid-template-columns: repeat(4, 1fr); }
    .cs-service-detail .cs-container { grid-template-columns: 1fr 1fr; }
    .cs-service-detail.reverse .cs-content { order: 2; }
    #contact .cs-container { grid-template-columns: 1.2fr 1fr; }
    .cs-page-hero .cs-page-hero-inner { max-width: 60rem; }
}

/* hero visual hidden on small to avoid empty space, shown on large */
.cs-hero-visual { display: none; }
@media (min-width: 64rem) {
    .cs-hero-visual {
        display: block;
        position: relative;
        aspect-ratio: 1 / 1;
        border-radius: var(--radius-lg);
        background:
            radial-gradient(600px 380px at 65% 25%, rgba(20, 134, 198,0.28), transparent 60%),
            linear-gradient(150deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
        border: 1px solid rgba(255,255,255,0.12);
        overflow: hidden;
        display: grid;
        place-items: center;
    }
    .cs-hero-visual::before {
        content: "";
        position: absolute; inset: 0;
        background-image:
            linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
        background-size: 36px 36px;
        mask-image: radial-gradient(80% 80% at 60% 40%, #000 30%, transparent 78%);
    }
    .cs-hero-visual svg { width: 62%; color: rgba(255,255,255,0.95); position: relative; }
}

/* ----- MOBILE NAV ----- */
@media (max-width: 63.9375rem) {
    .cs-toggle { display: flex; }
    .cs-contact-group { display: none; }
    .cs-nav { position: static; }

    .cs-ul-wrapper {
        position: fixed;
        inset: 4.75rem 0 0 0;
        background: rgba(2, 26, 58, 0.55);
        backdrop-filter: blur(2px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s var(--ease);
    }
    /* The closed menu carries the `inert` attribute (set in JS) to keep its
       links out of the tab order; opacity + pointer-events handle the visuals. */
    body.cs-open .cs-ul-wrapper {
        opacity: 1;
        pointer-events: auto;
    }

    .cs-ul {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: #fff;
        padding: 1rem;
        max-height: calc(100vh - 4.75rem);
        overflow-y: auto;
        box-shadow: var(--shadow-lg);
        transform: translateY(-12px);
        transition: transform 0.3s var(--ease);
    }
    body.cs-open .cs-ul { transform: translateY(0); }

    .cs-li { width: 100%; border-bottom: 1px solid var(--line); }
    .cs-li:last-child { border-bottom: none; }
    .cs-li-link {
        width: 100%;
        justify-content: space-between;
        padding: 1rem 0.5rem;
        font-size: 1.05rem;
        border-radius: 0;
    }
    .cs-li-link.cs-active::after { display: none; }
    .cs-li-link.cs-active { color: var(--accent-700); }

    .cs-drop-ul {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 0 0.5rem 0.75rem;
        min-width: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s var(--ease);
    }
    .cs-dropdown.cs-dropdown-open .cs-drop-ul { max-height: 22rem; }
    .cs-dropdown-toggle { width: 100%; }

    .cs-mobile-cta {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        padding: 1rem 0.5rem 0.5rem;
    }
    .cs-mobile-cta .cs-button-solid { width: 100%; }
    .cs-mobile-cta .cs-phone { justify-content: center; font-size: 1.05rem; }
}

@media (min-width: 64rem) {
    .cs-mobile-cta { display: none; }
}

/* ==========================================================================
   PHOTO PANELS  — add `.cs-photo` to a visual container and drop in an <img>.
   Falls back to the branded SVG/gradient when no photo is present.
   ========================================================================== */
.cs-hero-visual.cs-photo,
.cs-image-group .cs-visual.cs-photo,
.cs-service-visual.cs-photo {
    display: block;
    background: var(--navy);
}
.cs-hero-visual.cs-photo::before,
.cs-image-group .cs-visual.cs-photo::before,
.cs-service-visual.cs-photo::before { display: none; }

.cs-hero-visual.cs-photo img,
.cs-image-group .cs-visual.cs-photo img,
.cs-service-visual.cs-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
/* subtle navy scrim along the bottom for depth + brand cohesion */
.cs-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(2, 26, 58, 0) 48%, rgba(2, 26, 58, 0.45));
    pointer-events: none;
    z-index: 1;
}