/* ==========================================================================
   ChemTech Innovation (CTI) — ctiworld.online
   Design tokens derived from the brand mark: navy wordmark, emerald accent,
   blue-to-green gradient on the hexagon.
   ========================================================================== */

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

:root {
    /* --- Brand ------------------------------------------------------------
       navy-900 is the wordmark colour; green-500 is the "INNOVATION" green
       and the growth arrow. blue-600 bridges them in the hexagon gradient. */
    --navy-900: #10233F;
    --navy-800: #16305A;
    --navy-700: #1B3A6B;
    --blue-600: #1565C0;
    --blue-500: #1E7BE0;
    --blue-100: #E4EFFB;
    --green-600: #22874A;
    --green-500: #2E9E4F;
    --green-400: #46BD6B;
    --green-100: #E4F5EA;

    /* --- Neutrals --------------------------------------------------------- */
    --ink-900: #0E1726;
    --ink-700: #2B3A4F;
    --ink-500: #5A6B82;
    --ink-400: #7C8CA1;
    --line: #E3E8EF;
    --line-strong: #CFD7E2;
    --surface: #FFFFFF;
    --surface-2: #F7F9FC;
    --surface-3: #EFF3F9;
    --white: #FFFFFF;

    /* --- Semantic --------------------------------------------------------- */
    --brand: var(--blue-600);
    --brand-dark: var(--navy-700);
    --accent: var(--green-500);
    --text: var(--ink-700);
    --text-muted: var(--ink-500);
    --heading: var(--navy-900);

    --gradient-brand: linear-gradient(135deg, var(--navy-700) 0%, var(--blue-600) 55%, var(--green-500) 100%);
    --gradient-accent: linear-gradient(135deg, var(--blue-600) 0%, var(--green-500) 100%);
    --gradient-ink: linear-gradient(160deg, #0B1728 0%, #12294A 60%, #16305A 100%);

    /* --- Elevation: layered, low-opacity shadows --------------------------- */
    --shadow-xs: 0 1px 2px rgba(16, 35, 63, 0.04);
    --shadow-sm: 0 1px 3px rgba(16, 35, 63, 0.06), 0 1px 2px rgba(16, 35, 63, 0.04);
    --shadow-md: 0 4px 12px rgba(16, 35, 63, 0.07), 0 2px 4px rgba(16, 35, 63, 0.04);
    --shadow-lg: 0 12px 32px rgba(16, 35, 63, 0.10), 0 4px 8px rgba(16, 35, 63, 0.05);
    --shadow-xl: 0 24px 56px rgba(16, 35, 63, 0.14), 0 8px 16px rgba(16, 35, 63, 0.06);

    /* --- Radii ------------------------------------------------------------ */
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 16px;
    --r-xl: 24px;
    --r-pill: 999px;

    /* --- Spacing scale (4pt base) ----------------------------------------- */
    --s-1: 0.25rem;
    --s-2: 0.5rem;
    --s-3: 0.75rem;
    --s-4: 1rem;
    --s-5: 1.5rem;
    --s-6: 2rem;
    --s-7: 3rem;
    --s-8: 4rem;
    --s-9: 6rem;

    /* --- Motion ----------------------------------------------------------- */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --t-fast: 160ms var(--ease);
    --t-base: 240ms var(--ease);
    --t-slow: 420ms var(--ease-out);

    /* --- Layout ----------------------------------------------------------- */
    --container: 1180px;
    --nav-h: 84px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: calc(var(--nav-h) + var(--s-4));
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

/* Respect users who ask for less motion. */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    color: var(--heading);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

h1 { font-size: clamp(2.25rem, 1.4rem + 3.4vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.75rem); }
h3 { font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem); }
h4 { font-size: 1.0625rem; letter-spacing: -0.01em; }

p {
    color: var(--text);
    text-wrap: pretty;
}

a {
    color: var(--brand);
    text-decoration: none;
    transition: color var(--t-fast);
}

ul { list-style: none; }

/* A single visible focus treatment for every interactive element. */
:focus-visible {
    outline: 2px solid var(--blue-500);
    outline-offset: 3px;
    border-radius: var(--r-sm);
}

.skip-link {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translate(-50%, -110%);
    z-index: 200;
    padding: var(--s-3) var(--s-5);
    background: var(--navy-900);
    color: var(--white);
    border-radius: 0 0 var(--r-md) var(--r-md);
    font-weight: 600;
    transition: transform var(--t-base);
}

.skip-link:focus {
    transform: translate(-50%, 0);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */

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

section {
    padding-block: clamp(3.5rem, 2rem + 6vw, 6.5rem);
}

.section--tint { background: var(--surface-2); }
.section--line { border-top: 1px solid var(--line); }

.section-header {
    max-width: 46rem;
    margin-inline: auto;
    margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem);
    text-align: center;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    padding: 0.375rem 0.875rem;
    margin-bottom: var(--s-4);
    background: var(--blue-100);
    color: var(--navy-700);
    border-radius: var(--r-pill);
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.section-title { margin-bottom: var(--s-4); }

.section-subtitle {
    font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
    color: var(--text-muted);
    margin: 0;
}

.eyebrow {
    display: block;
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--s-3);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);
    padding: 0.8125rem 1.5rem;
    border: 1px solid transparent;
    border-radius: var(--r-md);
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--t-fast), border-color var(--t-fast),
                color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}

.btn:active { transform: translateY(1px); }

.btn svg { width: 1.05em; height: 1.05em; flex: none; }

.btn-primary {
    background: var(--brand);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--navy-700);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background: var(--accent);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
    background: var(--green-600);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline {
    background: transparent;
    color: var(--navy-700);
    border-color: var(--line-strong);
}

.btn-outline:hover {
    border-color: var(--brand);
    color: var(--brand);
    background: var(--blue-100);
}

.btn-light {
    background: var(--white);
    color: var(--navy-800);
    box-shadow: var(--shadow-md);
}

.btn-light:hover {
    background: var(--surface-3);
    box-shadow: var(--shadow-lg);
}

.btn-block { width: 100%; }

/* ==========================================================================
   Brand lockup (inline SVG — crisp at any size, works on light and dark)
   ========================================================================== */

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--navy-900);
}

/* The artwork is 297x307, so height is authoritative and width follows, else
   the mark squashes. Sized generously: it carries a dense molecular network
   that turns to mush much below this. */
.brand-mark {
    width: auto;
    height: 54px;
    flex: none;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-name {
    font-family: 'Poppins', sans-serif;
    font-size: 1.3125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: currentColor;
}

.brand-sub {
    font-size: 0.625rem;
    font-weight: 650;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--accent);
    margin-top: 3px;
}

.footer-about .brand-mark { height: 64px; }

.brand--invert { color: var(--white); }
.brand--invert .brand-sub { color: var(--green-400); }

/* ==========================================================================
   Navigation
   ========================================================================== */

.navbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: background var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.navbar.is-scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: var(--line);
    box-shadow: var(--shadow-sm);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-5);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--s-2);
}

.nav-link {
    position: relative;
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: var(--r-sm);
    color: var(--ink-700);
    font-size: 0.9375rem;
    font-weight: 550;
    transition: color var(--t-fast), background var(--t-fast);
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.25rem;
    height: 2px;
    border-radius: 2px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-base);
}

.nav-link:hover { color: var(--navy-900); }
.nav-link:hover::after,
.nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--navy-900); font-weight: 650; }

.nav-cta { margin-left: var(--s-2); }

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--navy-800);
    transition: transform var(--t-base), opacity var(--t-fast);
}

.nav-toggle span + span { margin-top: 5px; }

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero — layered gradient + molecular grid, no stock photography
   ========================================================================== */

.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: min(92vh, 860px);
    padding-top: calc(var(--nav-h) + var(--s-7));
    padding-bottom: var(--s-8);
    background: var(--gradient-ink);
    overflow: hidden;
    isolation: isolate;
}

/* Two soft radial glows in brand blue/green give depth without an image. */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(46rem 30rem at 78% 18%, rgba(46, 158, 79, 0.20), transparent 62%),
        radial-gradient(52rem 34rem at 8% 82%, rgba(21, 101, 192, 0.28), transparent 62%);
}

/* Faint hexagonal-feeling grid, masked so it fades toward the edges. */
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000 30%, transparent 100%);
            mask-image: radial-gradient(70% 60% at 50% 40%, #000 30%, transparent 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: clamp(2rem, 1rem + 4vw, 4.5rem);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    padding: 0.4375rem 0.9375rem;
    margin-bottom: var(--s-5);
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--r-pill);
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    backdrop-filter: blur(6px);
}

.hero-eyebrow .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green-400);
    box-shadow: 0 0 0 3px rgba(70, 189, 107, 0.25);
}

.hero-title {
    color: var(--white);
    margin-bottom: var(--s-5);
}

/* Gradient-filled emphasis word inside the H1. */
.hero-title .accent {
    background: linear-gradient(100deg, var(--green-400) 0%, #7BD8F5 100%);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--green-400);
}

.hero-subtitle {
    max-width: 40rem;
    font-size: clamp(1rem, 0.95rem + 0.4vw, 1.1875rem);
    color: rgba(255, 255, 255, 0.76);
    margin-bottom: var(--s-6);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-3);
    margin-bottom: var(--s-7);
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2) var(--s-5);
}

.hero-meta li {
    display: flex;
    align-items: center;
    gap: var(--s-2);
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.875rem;
    font-weight: 500;
}

.hero-meta svg {
    width: 1rem;
    height: 1rem;
    color: var(--green-400);
    flex: none;
}

/* Capability panel on the right — glass card listing the practice areas. */
.hero-panel {
    padding: var(--s-5);
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--r-lg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-xl);
}

.hero-panel-title {
    font-size: 0.6875rem;
    font-weight: 650;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: var(--s-4);
}

.hero-panel-list {
    display: grid;
    gap: 1px;
    background: rgba(255, 255, 255, 0.10);
    border-radius: var(--r-md);
    overflow: hidden;
}

.hero-panel-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-4);
    padding: 0.8125rem var(--s-4);
    background: rgba(11, 23, 40, 0.55);
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.9375rem;
    font-weight: 550;
    transition: background var(--t-fast);
}

.hero-panel-list li:hover { background: rgba(21, 101, 192, 0.35); }

.hero-panel-list .tag {
    font-size: 0.625rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green-400);
    padding: 0.1875rem 0.5rem;
    background: rgba(46, 158, 79, 0.16);
    border-radius: var(--r-pill);
    flex: none;
}

/* ==========================================================================
   Trust strip
   ========================================================================== */

.trust {
    padding-block: var(--s-6);
    background: var(--surface-2);
    border-bottom: 1px solid var(--line);
}

.trust-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--s-4) clamp(1.5rem, 1rem + 3vw, 4rem);
}

.trust-label {
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-400);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--s-2);
    color: var(--navy-800);
    font-size: 0.9375rem;
    font-weight: 600;
}

.trust-item svg {
    width: 1.125rem;
    height: 1.125rem;
    color: var(--accent);
    flex: none;
}

/* ==========================================================================
   About
   ========================================================================== */

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: clamp(2rem, 1rem + 4vw, 4.5rem);
}

.about-visual {
    position: relative;
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 5;
}

.about-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--t-slow);
}

.about-visual:hover img { transform: scale(1.04); }

.about-visual-caption {
    position: absolute;
    inset: auto var(--s-4) var(--s-4);
    padding: var(--s-4);
    background: rgba(11, 23, 40, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--r-md);
    backdrop-filter: blur(8px);
    color: var(--white);
}

.about-visual-caption strong {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    margin-bottom: 2px;
}

.about-visual-caption span {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
}

.about-content > h2 { margin-bottom: var(--s-4); }

.about-content > p {
    color: var(--text-muted);
    margin-bottom: var(--s-4);
}

/* Value pillars replace the previous unverified statistics. */
.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
    gap: var(--s-4);
    margin-top: var(--s-6);
}

.pillar {
    padding: var(--s-4);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-xs);
}

.pillar-icon {
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    margin-bottom: var(--s-3);
    background: var(--green-100);
    border-radius: var(--r-sm);
    color: var(--green-600);
}

.pillar-icon svg { width: 1.25rem; height: 1.25rem; }

.pillar h4 { margin-bottom: 0.25rem; }

.pillar p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

/* ==========================================================================
   Services — the seven practice areas
   ========================================================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
    gap: var(--s-5);
}

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--s-5);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}

/* Brand gradient hairline that wipes in on hover. */
.service-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-slow);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--line-strong);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: var(--s-4);
    background: var(--blue-100);
    border-radius: var(--r-md);
    color: var(--brand);
    transition: background var(--t-base), color var(--t-base);
}

.service-icon svg { width: 1.5rem; height: 1.5rem; }

.service-card:hover .service-icon {
    background: var(--gradient-accent);
    color: var(--white);
}

.service-card h3 { margin-bottom: var(--s-2); }

.service-card > p {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--s-4);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: auto;
}

.service-tags li {
    padding: 0.25rem 0.5625rem;
    background: var(--surface-3);
    border-radius: var(--r-sm);
    color: var(--ink-500);
    font-size: 0.75rem;
    font-weight: 550;
}

/* ==========================================================================
   Sectors served
   ========================================================================== */

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
    gap: var(--s-4);
}

.sector-card {
    position: relative;
    padding: var(--s-5) var(--s-4);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    text-align: center;
    transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
}

.sector-card:hover {
    transform: translateY(-3px);
    border-color: var(--blue-500);
    box-shadow: var(--shadow-md);
}

.sector-card svg {
    width: 1.75rem;
    height: 1.75rem;
    margin: 0 auto var(--s-3);
    color: var(--brand);
}

.sector-card h4 { margin-bottom: 0.25rem; }

.sector-card p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin: 0;
}

/* ==========================================================================
   Process timeline
   ========================================================================== */

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
    gap: var(--s-5);
    counter-reset: step;
}

.process-step {
    position: relative;
    padding-top: var(--s-5);
    counter-increment: step;
}

/* Connector line running behind the step markers on wide screens. */
.process-step::after {
    content: "";
    position: absolute;
    top: 1rem;
    left: 2.75rem;
    right: calc(-1 * var(--s-5));
    height: 1px;
    background: linear-gradient(90deg, var(--line-strong), transparent);
}

.process-step:last-child::after { display: none; }

.process-step::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    top: 0;
    left: 0;
    display: grid;
    place-items: center;
    width: 2.125rem;
    height: 2.125rem;
    background: var(--navy-900);
    color: var(--white);
    border-radius: 50%;
    font-family: 'Poppins', sans-serif;
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0;
}

.process-step h4 {
    margin-top: var(--s-5);
    margin-bottom: 0.375rem;
}

.process-step p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin: 0;
}

/* ==========================================================================
   CTA banner
   ========================================================================== */

.cta {
    position: relative;
    background: var(--gradient-brand);
    overflow: hidden;
    isolation: isolate;
}

.cta::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(40rem 24rem at 85% 15%, rgba(255, 255, 255, 0.16), transparent 60%);
}

.cta-content {
    max-width: 44rem;
    margin-inline: auto;
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--s-4);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.0625rem;
    margin-bottom: var(--s-6);
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-3);
    justify-content: center;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 1rem + 4vw, 4rem);
    align-items: start;
}

.contact-item {
    display: flex;
    gap: var(--s-4);
    padding-block: var(--s-4);
}

.contact-item + .contact-item { border-top: 1px solid var(--line); }

.contact-icon {
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    flex: none;
    background: var(--blue-100);
    border-radius: var(--r-md);
    color: var(--brand);
}

.contact-icon svg { width: 1.25rem; height: 1.25rem; }

.contact-details h4 { margin-bottom: 0.25rem; }

.contact-details p,
.contact-details a {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin: 0;
}

.contact-details a:hover { color: var(--brand); }

/* Marks a field the site owner still needs to supply. */
.contact-details .pending {
    display: inline-block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    font-style: italic;
    color: var(--ink-400);
}

.contact-form {
    padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-4);
}

.form-group { margin-bottom: var(--s-4); }

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--navy-800);
}

.form-group .req { color: var(--accent); }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6875rem 0.875rem;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--ink-900);
    background: var(--surface);
    border: 1px solid var(--line-strong);
    border-radius: var(--r-md);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.form-group textarea { resize: vertical; min-height: 7rem; }

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--ink-400); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(30, 123, 224, 0.15);
}

.form-note {
    margin-top: var(--s-3);
    font-size: 0.8125rem;
    color: var(--ink-400);
    text-align: center;
}

.form-status {
    margin-top: var(--s-4);
    padding: 0.75rem var(--s-4);
    border-radius: var(--r-md);
    font-size: 0.875rem;
    font-weight: 550;
}

.form-status[hidden] { display: none; }

.form-status.is-ok {
    background: var(--green-100);
    color: var(--green-600);
    border: 1px solid rgba(46, 158, 79, 0.3);
}

.form-status.is-pending {
    background: var(--blue-100);
    color: var(--navy-700);
    border: 1px solid rgba(21, 101, 192, 0.25);
}

.form-status.is-error {
    background: #FDECEC;
    color: #A32222;
    border: 1px solid rgba(163, 34, 34, 0.25);
}

.contact-form button[disabled] {
    opacity: 0.65;
    cursor: progress;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding-top: clamp(2.5rem, 2rem + 3vw, 4.5rem);
    background: var(--navy-900);
    color: rgba(255, 255, 255, 0.62);
}

.footer-content {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
    gap: var(--s-6);
    padding-bottom: var(--s-7);
}

.footer-about p {
    margin-top: var(--s-4);
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 26rem;
}

.footer-section h4 {
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--s-4);
}

.footer-section li + li { margin-top: 0.625rem; }

.footer-section a {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.9375rem;
}

.footer-section a:hover { color: var(--green-400); }

.social-links {
    display: flex;
    gap: var(--s-2);
}

.social-link {
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--r-sm);
    color: rgba(255, 255, 255, 0.75);
    transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.social-link svg { width: 1.0625rem; height: 1.0625rem; }

.social-link:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: var(--white);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-3);
    padding-block: var(--s-5);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8125rem;
}

.footer-bottom p { color: rgba(255, 255, 255, 0.5); margin: 0; }

/* ==========================================================================
   Scroll-reveal (progressive enhancement — see script.js)
   ========================================================================== */

.js .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--t-slow), transform var(--t-slow);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .js .reveal { opacity: 1; transform: none; }
}

/* Back-to-top */
.to-top {
    position: fixed;
    right: var(--s-5);
    bottom: var(--s-5);
    z-index: 90;
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    background: var(--navy-900);
    color: var(--white);
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base), background var(--t-fast);
}

.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--brand); }
.to-top svg { width: 1.125rem; height: 1.125rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-grid,
    .about-grid,
    .contact-grid { grid-template-columns: 1fr; }

    .about-visual { aspect-ratio: 16 / 10; max-height: 22rem; }

    .footer-content { grid-template-columns: 1fr 1fr; }
    .footer-about { grid-column: 1 / -1; }

    .process-step::after { display: none; }
}

@media (max-width: 860px) {
    .nav-toggle { display: block; }

    .nav-menu {
        position: fixed;
        inset: var(--nav-h) 0 auto 0;
        display: grid;
        max-height: 0;
        overflow: hidden;
        background: var(--surface);
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow-lg);
        transition: max-height var(--t-slow);
    }

    .nav-menu.is-open { max-height: 32rem; }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--s-3) var(--s-5) var(--s-5);
    }

    .nav-link {
        padding: 0.875rem 0.25rem;
        border-bottom: 1px solid var(--line);
        border-radius: 0;
        font-size: 1rem;
    }

    .nav-link::after { display: none; }

    .nav-cta { margin: var(--s-4) 0 0; }
}

@media (max-width: 560px) {
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .hero-buttons .btn { flex: 1 1 100%; }
    .footer-content { grid-template-columns: 1fr; gap: var(--s-5); }
    .trust-inner { justify-content: flex-start; }
    .to-top { right: var(--s-4); bottom: var(--s-4); }
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
    .navbar, .nav-toggle, .to-top, .hero-buttons, .cta, .contact-form { display: none !important; }
    .hero { min-height: auto; background: none; color: var(--ink-900); }
    .hero-title, .hero-subtitle { color: var(--ink-900); }
    body { color: #000; }
}