/* ===================================
   Unifhi — Design System
   =================================== */
:root {
    /* Brand colors (unchanged from previous site) */
    --color-bg-dark: #0d1b1e;
    --color-bg-card: #122428;
    --color-bg-card-hover: #1a3338;
    --color-accent-green: #10b981;
    --color-accent-pink: #E92063;
    --color-text-primary: #ffffff;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: #1e3a3f;

    /* Derived tones */
    --color-green-dim: rgba(16, 185, 129, 0.12);
    --color-green-glow: rgba(16, 185, 129, 0.25);
    --color-pink-dim: rgba(233, 32, 99, 0.12);
    --color-bg-deep: #0a1517;

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --nav-height: 72px;
}

/* ===================================
   Reset & Base
   =================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + 16px); }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text-primary);
    background-color: var(--color-bg-dark);
    -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, ol { list-style: none; }

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

::selection { background: var(--color-green-glow); color: #fff; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-narrow { max-width: 820px; }

/* ===================================
   Typography helpers
   =================================== */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-accent-green);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
}

.eyebrow-tick {
    display: inline-block;
    width: 22px;
    height: 2px;
    background: var(--color-accent-pink);
    flex: none;
}

.section-title {
    font-size: clamp(1.75rem, 3.4vw, 2.6rem);
    max-width: 21em;
    margin-bottom: 1.5rem;
}

.section-title em {
    font-style: normal;
    color: var(--color-accent-green);
}

.section-intro {
    max-width: 46em;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
}

.section-intro p + p { margin-top: 1em; }

.accent-pink { color: var(--color-accent-pink); }

.text-link {
    font-weight: 600;
    color: var(--color-accent-green);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.text-link:hover { gap: 0.65rem; color: #34d399; }

.pull-line {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--color-accent-green);
    border-left: 3px solid var(--color-accent-pink);
    padding-left: 1.25rem;
    margin-top: 3rem;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast),
                background var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--color-accent-green);
    color: #06251c;
}

.btn-primary:hover {
    background: #34d399;
    box-shadow: 0 6px 24px var(--color-green-glow);
}

.btn-ghost {
    border-color: var(--color-border);
    color: var(--color-text-primary);
    background: transparent;
}

.btn-ghost:hover { border-color: var(--color-accent-green); background: var(--color-green-dim); }

.btn-outline {
    border-color: var(--color-accent-green);
    color: var(--color-accent-green);
    background: transparent;
    margin-top: auto;
}

.btn-outline:hover { background: var(--color-green-dim); }

.btn-sm { font-size: 0.9rem; padding: 0.55rem 1.1rem; }
.btn-lg { font-size: 1.05rem; padding: 0.95rem 1.9rem; }
.btn-full { width: 100%; }

/* ===================================
   Navigation
   =================================== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    background: rgba(13, 27, 30, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-base), background var(--transition-base);
}

.nav.scrolled {
    background: rgba(10, 21, 23, 0.9);
    border-bottom-color: var(--color-border);
}

.nav-inner {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.logo-dot { color: var(--color-accent-green); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-links a:not(.btn) {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav-links a:not(.btn):hover { color: var(--color-text-primary); }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 0 10px;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================
   Hero
   =================================== */
.hero {
    position: relative;
    padding: calc(var(--nav-height) + 5rem) 0 5rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 60% 45% at 75% 12%, var(--color-green-glow), transparent 65%),
        radial-gradient(ellipse 40% 35% at 12% 85%, var(--color-pink-dim), transparent 70%);
}

.hero-bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 56px 56px;
    opacity: 0.16;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 30%, transparent 75%);
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2.2rem, 4.6vw, 3.6rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    animation: rise 0.7s ease both;
}

.hero h1 em {
    font-style: normal;
    background: linear-gradient(90deg, var(--color-accent-green), #5eead4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--color-accent-green);
}

.hero .eyebrow { animation: rise 0.7s ease both; }

.hero-tension {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    font-weight: 500;
    max-width: 38em;
    margin-bottom: 1rem;
    animation: rise 0.7s 0.1s ease both;
}

.hero-sub {
    color: var(--color-text-secondary);
    max-width: 40em;
    margin-bottom: 2rem;
    animation: rise 0.7s 0.18s ease both;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    animation: rise 0.7s 0.26s ease both;
}

.hero-note {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    max-width: 36em;
    animation: rise 0.7s 0.34s ease both;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Solution-page hero (no diagram) */
.hero-inner.hero-solo { grid-template-columns: 1fr; }
.hero-solo .hero-copy { max-width: 800px; }

.crumbs {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    animation: rise 0.7s ease both;
}

.crumbs a { color: var(--color-text-secondary); transition: color var(--transition-fast); }
.crumbs a:hover { color: var(--color-accent-green); }
.crumbs .crumb-sep { color: var(--color-text-muted); }
.crumbs .crumb-current { color: var(--color-accent-green); }

/* Hero flow diagram */
.hero-visual { animation: rise 0.8s 0.3s ease both; min-width: 0; }

.flow-diagram {
    display: grid;
    grid-template-columns: auto minmax(20px, 1fr) auto minmax(20px, 1fr) auto;
    align-items: center;
    gap: 0;
    min-width: 0;
}

.flow-col {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    min-width: 0;
}

.flow-chip {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    text-align: center;
}

.flow-chip-out {
    color: var(--color-accent-green);
    border-color: rgba(16, 185, 129, 0.35);
    background: var(--color-green-dim);
    max-width: 120px;
}

.flow-lines { width: 100%; height: 280px; min-width: 30px; }

.flow-lines path {
    fill: none;
    stroke: var(--color-border);
    stroke-width: 1.5;
    stroke-dasharray: 6 5;
    animation: dashflow 1.6s linear infinite;
}

.flow-lines-out path { stroke: rgba(16, 185, 129, 0.45); }

@keyframes dashflow {
    to { stroke-dashoffset: -22; }
}

.flow-core {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-accent-green);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.1rem;
    box-shadow: 0 0 40px var(--color-green-glow);
    text-align: center;
    min-width: 0;
}

.flow-core-label {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.flow-core-sub {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    max-width: 14ch;
}

/* ===================================
   Standards strip
   =================================== */
.standards {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-deep);
    padding: 2.75rem 0;
    text-align: center;
}

.standards-title { font-size: 1.25rem; margin-bottom: 0.5rem; }

.standards-sub {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
}

.standards-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.standards-list li {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 0.45rem 1.1rem;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.standards-list li:hover {
    color: var(--color-accent-green);
    border-color: var(--color-accent-green);
}

/* ===================================
   Sections
   =================================== */
.section { padding: 6rem 0; }

.section-alt {
    background: var(--color-bg-deep);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-alt + .section-alt { border-top: none; }

/* Reveal on scroll */
.js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease,
                border-color 250ms ease, box-shadow 250ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .js .reveal { opacity: 1; transform: none; transition: none; }
    .hero h1, .hero .eyebrow, .hero-tension, .hero-sub, .hero-ctas, .hero-note, .hero-visual { animation: none; }
    .flow-lines path { animation: none; }
}

/* ===================================
   Platform
   =================================== */
.systems-strip {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
    margin-bottom: 3.5rem;
}

.systems-cell {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.systems-cell strong { font-size: 0.95rem; font-weight: 600; }

.systems-cell span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    line-height: 1.45;
}

.systems-cell-unifhi {
    border-color: var(--color-accent-green);
    background: var(--color-green-dim);
    box-shadow: 0 0 24px rgba(16, 185, 129, 0.12);
}

.systems-cell-unifhi strong { color: var(--color-accent-green); }
.systems-cell-unifhi span { color: var(--color-text-secondary); }

.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* ===================================
   Cards
   =================================== */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: border-color var(--transition-base), transform var(--transition-base),
                box-shadow var(--transition-base);
}

.card:hover {
    border-color: rgba(16, 185, 129, 0.45);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.card-kicker {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent-green);
}

.card h3:not(.card-kicker) { font-size: 1.25rem; }

.card-heading {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

.card > p { color: var(--color-text-secondary); font-size: 0.95rem; }

.card > p.card-heading { color: var(--color-text-primary); font-size: 1.25rem; }

.card-teaser { justify-content: flex-start; }

.check-list { display: flex; flex-direction: column; gap: 0.55rem; }

.check-list li {
    position: relative;
    padding-left: 1.6rem;
    color: var(--color-text-secondary);
    font-size: 0.93rem;
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.42em;
    width: 0.95rem;
    height: 0.95rem;
    border-radius: 50%;
    background: var(--color-green-dim);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
    background-size: 60%;
    background-position: center;
    background-repeat: no-repeat;
}

/* ===================================
   Solutions
   =================================== */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

/* Two-up on tablet; a lone trailing card spans the row so it does not
   leave half the row empty. */
@media (max-width: 1024px) {
    .solutions-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .solutions-grid > :last-child:nth-child(odd) { grid-column: 1 / -1; }
}

.card-solution { gap: 1.1rem; }

.card-featured { border-top: 3px solid var(--color-accent-green); }

.card-solution .btn, .card-solution .text-link { margin-top: auto; align-self: flex-start; }

.additional-apps {
    margin-top: 2.5rem;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

.additional-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.additional-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.additional-item h4 { font-size: 1.05rem; margin-bottom: 0.4rem; }

.additional-item p { color: var(--color-text-secondary); font-size: 0.93rem; }

.card-solution .card-more { margin-top: 0.25rem; }

/* Related solutions (solution pages) */
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.related-card {
    display: block;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.6rem 1.75rem;
    transition: border-color var(--transition-base), transform var(--transition-base);
}

.related-card:hover {
    border-color: rgba(16, 185, 129, 0.45);
    transform: translateY(-2px);
}

.related-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
    color: var(--color-accent-green);
}

.related-card p { color: var(--color-text-secondary); font-size: 0.92rem; }

/* Calculator banner (solution pages) */
.why-grid + .calc-banner { margin-top: 2.5rem; }

.calc-banner {
    background: var(--color-bg-card);
    border: 1px solid var(--color-accent-green);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.08);
}

.calc-banner h2 { font-size: 1.35rem; margin-bottom: 0.4rem; }

.calc-banner p { color: var(--color-text-secondary); max-width: 34em; }

.calc-banner .btn { flex: none; }

@media (max-width: 768px) {
    .calc-banner { padding: 1.75rem 1.5rem; }
}

/* Question panel (solution pages) */
.systems-panel-questions {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent-pink);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 760px;
}

.systems-panel-questions .check-list { gap: 0.85rem; }

/* ===================================
   How It Works
   =================================== */
.section-title-split em { display: inline-block; }

.steps {
    display: flex;
    flex-direction: column;
    counter-reset: step;
    margin-top: 1rem;
}

.step {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 2rem;
    position: relative;
    padding-bottom: 2.75rem;
}

.step:last-child { padding-bottom: 0; }

.step::before {
    content: "";
    position: absolute;
    left: 44px;
    top: 58px;
    bottom: 10px;
    width: 1px;
    background: linear-gradient(var(--color-accent-green), var(--color-border));
    opacity: 0.5;
}

.step:last-child::before { display: none; }

.step-num {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    color: var(--color-accent-green);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 18px;
    flex: none;
}

.step-body h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }

.step-body p { color: var(--color-text-secondary); max-width: 52em; }

/* ===================================
   Intelligence
   =================================== */
.intel-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.intel-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent-green);
    border-radius: var(--radius-lg);
    padding: 1.6rem 1.75rem;
}

.intel-item h3 { font-size: 1.1rem; margin-bottom: 0.4rem; color: var(--color-accent-green); }

.intel-item p { color: var(--color-text-secondary); font-size: 0.95rem; }

/* ===================================
   Why Unifhi
   =================================== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.why-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* A trailing item that would otherwise leave empty cells fills the rest of its row. */
.why-grid:not(.why-grid-4) > :last-child:nth-child(3n+2) { grid-column: span 2; }
.why-grid:not(.why-grid-4) > :last-child:nth-child(3n+1) { grid-column: 1 / -1; }


.why-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: border-color var(--transition-base);
}

.why-item:hover { border-color: rgba(16, 185, 129, 0.45); }

.why-item h3 { font-size: 1.05rem; margin-bottom: 0.6rem; }

.why-item p { color: var(--color-text-secondary); font-size: 0.92rem; }

/* ===================================
   Who
   =================================== */
.section-who { text-align: center; }

.section-who .section-title { margin-left: auto; margin-right: auto; }

.who-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    max-width: 900px;
    margin: 0 auto;
}

.who-list li {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    border-radius: 999px;
    padding: 0.55rem 1.25rem;
}

/* ===================================
   Company
   =================================== */
.section-company { padding-bottom: 4rem; }

.company-text {
    color: var(--color-text-secondary);
    max-width: 52em;
    font-size: 1.05rem;
}

/* ===================================
   FAQ
   =================================== */
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; }

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.faq-item[open] { border-color: rgba(16, 185, 129, 0.45); }

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    padding: 1.1rem 3rem 1.1rem 1.4rem;
    position: relative;
    list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 1.4rem;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--color-accent-green);
    transition: transform var(--transition-base);
}

.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }

.faq-item p {
    padding: 0 1.4rem 1.25rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   Contact
   =================================== */
.section-contact {
    position: relative;
    overflow: hidden;
}

.section-contact::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse 50% 55% at 20% 40%, var(--color-green-dim), transparent 70%);
}

.contact-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 4rem;
    align-items: start;
}

.contact-form-wrap {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

.contact-form-wrap h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }

.form-intro {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    margin-bottom: 1.75rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group { margin-bottom: 1.1rem; }

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.required { color: var(--color-accent-pink); }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text-primary);
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.75rem 0.9rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-group select {
    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='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.9rem center;
    background-size: 1rem;
    padding-right: 2.6rem;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-green);
    box-shadow: 0 0 0 3px var(--color-green-dim);
}

.btn-loading svg { animation: spin 1s linear infinite; display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

.form-message {
    margin-top: 1.25rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

.form-message-success {
    background: var(--color-green-dim);
    border: 1px solid var(--color-accent-green);
    color: #6ee7c5;
}

.form-message-error {
    background: var(--color-pink-dim);
    border: 1px solid var(--color-accent-pink);
    color: #f9a8c4;
}

/* ===================================
   Footer
   =================================== */
.footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-deep);
    padding: 3.5rem 0 2rem;
}

.footer-inner {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 3rem;
    padding-bottom: 2.5rem;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 1rem;
    max-width: 34em;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
    align-content: start;
    justify-content: flex-end;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover { color: var(--color-accent-green); }

.footer-legal {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-legal p { color: var(--color-text-muted); font-size: 0.85rem; }

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
    .hero-visual { max-width: 560px; }
    .capability-grid { grid-template-columns: 1fr 1fr; }
    .capability-grid .card:last-child { grid-column: span 2; }
    .systems-strip { grid-template-columns: repeat(3, 1fr); }
    .why-grid, .why-grid-4 { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
    .section { padding: 4rem 0; }

    .nav-toggle { display: flex; }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--color-bg-deep);
        border-bottom: 1px solid var(--color-border);
        padding: 0.75rem 1.5rem 1.25rem;
        transform: translateY(-8px);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    }

    .nav-links.open { transform: none; opacity: 1; visibility: visible; }

    .nav-links a:not(.btn) { padding: 0.85rem 0; border-bottom: 1px solid var(--color-border); }

    .nav-cta { margin-top: 1rem; }

    .hero { padding-top: calc(var(--nav-height) + 3rem); }

    .flow-diagram { grid-template-columns: auto 1fr auto; }
    .flow-lines-out, .flow-outcomes { display: none; }
    .flow-lines { height: 240px; }

    .capability-grid, .solutions-grid, .why-grid, .why-grid-4,
    .intel-grid-2col, .additional-grid, .systems-strip,
    .related-grid { grid-template-columns: minmax(0, 1fr); }
    .capability-grid .card:last-child { grid-column: auto; }

    .card-solution .btn { white-space: normal; text-align: center; }

    .step { grid-template-columns: 64px 1fr; gap: 1.25rem; }
    .step::before { left: 31px; }
    .step-num { width: 44px; height: 44px; margin-left: 9px; font-size: 0.9rem; }

    .form-row { grid-template-columns: 1fr; gap: 0; }

    .contact-form-wrap { padding: 1.75rem 1.5rem; }

    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
    .footer-links { justify-content: flex-start; }
}

/* ===================================
   Comparison / evidence tables
   =================================== */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 2rem 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
}

.cmp-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.cmp-table th,
.cmp-table td {
    padding: 0.9rem 1.1rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--color-border);
}

.cmp-table thead th {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: var(--color-bg-deep);
    white-space: nowrap;
}

.cmp-table td { color: var(--color-text-secondary); }

/* Final column carries the Unifhi position */
.cmp-table th:last-child { color: var(--color-accent-green); }
.cmp-table td:last-child { color: var(--color-text-primary); }

.cmp-table tbody tr:last-child td { border-bottom: none; }
.cmp-table tbody tr:hover td { background: var(--color-bg-card-hover); }

@media (max-width: 640px) {
    .cmp-table { font-size: 0.85rem; }
    .cmp-table th, .cmp-table td { padding: 0.7rem 0.85rem; }
}

/* Form helper note */
.form-note {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

/* Solutions hub groups */
.hub-group { margin-bottom: 3rem; }
.hub-group-title {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-accent-green);
    margin-bottom: 1.25rem;
}

/* ===================================
   Motion polish
   Restrained: a short stagger so grids resolve in sequence rather than all
   at once, and hover feedback consistent across every card-like surface.
   All of it is disabled under prefers-reduced-motion (see block below).
   =================================== */

/* Cascade grid children instead of revealing them simultaneously. */
.js .why-grid > .reveal:nth-child(2),
.js .solutions-grid > .reveal:nth-child(2),
.js .steps > .reveal:nth-child(2)  { transition-delay: 0.07s; }
.js .why-grid > .reveal:nth-child(3),
.js .solutions-grid > .reveal:nth-child(3),
.js .steps > .reveal:nth-child(3)  { transition-delay: 0.14s; }
.js .why-grid > .reveal:nth-child(4),
.js .steps > .reveal:nth-child(4)  { transition-delay: 0.21s; }
.js .why-grid > .reveal:nth-child(5),
.js .steps > .reveal:nth-child(5)  { transition-delay: 0.28s; }
.js .steps > .reveal:nth-child(6)  { transition-delay: 0.35s; }

/* .why-item was the only card-like surface with no lift on hover. */
.why-item {
    transition: border-color var(--transition-base), transform var(--transition-base),
                box-shadow var(--transition-base);
}

/* `.js .reveal.visible { transform: none }` is (0,3,0) and would outrank a plain
   `.why-item:hover` (0,2,0), killing the lift. Match its specificity. */
.why-item:hover,
.js .why-item.reveal:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
}

/* Numbered workflow steps: bring the number forward on hover. */
.step-num { transition: color var(--transition-base), border-color var(--transition-base); }
.step:hover .step-num { color: var(--color-accent-green); border-color: rgba(16, 185, 129, 0.5); }

/* Intelligence bullets pick up the same accent treatment. */
.intel-item { transition: border-color var(--transition-base), transform var(--transition-base); }
.intel-item:hover,
.js .intel-item.reveal:hover { border-color: rgba(16, 185, 129, 0.4); transform: translateX(2px); }

/* FAQ rows respond to hover and open state. */
.faq-item summary { transition: color var(--transition-fast); }
.faq-item summary:hover { color: var(--color-accent-green); }

@media (prefers-reduced-motion: reduce) {
    .js .why-grid > .reveal,
    .js .solutions-grid > .reveal,
    .js .steps > .reveal { transition-delay: 0s; }
    .why-item:hover, .intel-item:hover { transform: none; box-shadow: none; }
}

/* ===================================
   Figures: inline SVG diagrams
   Same language as the hero flow diagram - card nodes, dashed
   connectors, mono labels. No raster assets.
   =================================== */
.fig {
    margin: 2.5rem 0 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    padding: 1.5rem 1.5rem 1.1rem;
}

.fig-svg { width: 100%; height: auto; display: block; overflow: visible; }

.fig figcaption {
    margin-top: 1rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.fig-node rect {
    fill: var(--color-bg-deep);
    stroke: var(--color-border);
    stroke-width: 1;
}

.fig-node text {
    fill: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 14px;
    text-anchor: middle;
}

.fig-node .fig-strong { fill: var(--color-text-primary); font-weight: 600; }

.fig-node .fig-meta {
    fill: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 11px;
}

.fig-node-key rect { border-color: var(--color-accent-green); stroke: rgba(16, 185, 129, 0.45); }
.fig-node-ok  rect { stroke: rgba(16, 185, 129, 0.6); }
.fig-node-ok  .fig-strong { fill: var(--color-accent-green); }
.fig-node-gap rect { stroke: rgba(233, 32, 99, 0.55); }
.fig-node-gap .fig-strong { fill: var(--color-accent-pink); }

.fig-cap {
    fill: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-anchor: middle;
}

.fig-line path {
    fill: none;
    stroke: var(--color-border);
    stroke-width: 1.5;
    stroke-dasharray: 6 5;
    animation: dashflow 1.6s linear infinite;
}

.fig-line-out path { stroke: rgba(16, 185, 129, 0.5); }
.fig-line-gap path { stroke: rgba(233, 32, 99, 0.45); }

@media (max-width: 640px) {
    .fig { padding: 1rem 0.9rem 0.9rem; }
    .fig-svg { min-width: 560px; }
    .fig-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

@media (prefers-reduced-motion: reduce) {
    .fig-line path { animation: none; }
}

/* Lattice rows */
.fig-row line { stroke: var(--color-border); stroke-width: 1; }

.fig-lat .fig-src {
    fill: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 600;
}

.fig-lat .fig-val {
    fill: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 13px;
}

.fig-lat .fig-flag {
    font-family: var(--font-mono);
    font-size: 11px;
}

.fig-lat .fig-ok circle { fill: var(--color-accent-green); }
.fig-lat .fig-ok .fig-flag { fill: var(--color-accent-green); }
.fig-lat .fig-bad circle { fill: var(--color-accent-pink); }
.fig-lat .fig-bad .fig-flag { fill: var(--color-accent-pink); }

/* ===================================
   Legal pages
   Narrow measure, document rhythm - deliberately not a marketing layout.
   =================================== */
.section-legal { padding-top: 3rem; }

.legal-h2 {
    font-size: 1.35rem;
    margin: 2.5rem 0 0.9rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.section-legal .legal-h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }

.legal-h3 { font-size: 1.02rem; margin: 1.6rem 0 0.5rem; color: var(--color-text-primary); }

.legal-p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    max-width: 38em;
}

.legal-list {
    list-style: none;
    margin: 0 0 1.2rem;
    padding: 0;
    max-width: 38em;
}

.legal-list li {
    color: var(--color-text-secondary);
    padding-left: 1.1rem;
    margin-bottom: 0.55rem;
    position: relative;
}

.legal-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-accent-green);
}

.legal-p strong { color: var(--color-text-primary); }