/* =========================================================
   Kennen Technologies — Design System
   Dark indigo/purple enterprise theme.
   Tonal surfaces, lavender/magenta accents, restrained borders.
   ========================================================= */

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

:root {
    /* Brand */
    --brand-primary: #0A0826;
    --brand-secondary: #18153E;
    --brand-surface: #232047;

    /* Purple */
    --purple: #7E2F97;
    --violet: #5B3FA8;
    --lavender: #9C7CF2;

    /* Accent */
    --magenta: #E4007F;
    --red: #C5003E;

    /* ESG */
    --green: #22C55E;
    --yellow: #FBBF24;
    --orange: #F97316;

    /* Corporate */
    --blue: #2563EB;
    --cyan: #06B6D4;

    /* Typography */
    --heading: #FFFFFF;
    --body: #D7DCEA;
    --muted: #B4BCD3;

    /* Derived surfaces & lines */
    --surface-raised: #2B2854;
    --surface-glass: rgba(255, 255, 255, 0.045);
    --line: rgba(215, 220, 234, 0.10);
    --line-strong: rgba(215, 220, 234, 0.18);
    --line-accent: rgba(156, 124, 242, 0.45);

    /* Gradients */
    --gradient-accent: linear-gradient(100deg, var(--lavender) 0%, #C58BF5 45%, var(--magenta) 100%);
    --gradient-cta: linear-gradient(135deg, var(--violet) 0%, var(--purple) 55%, var(--magenta) 100%);
    --gradient-cta-hover: linear-gradient(135deg, var(--lavender) 0%, var(--purple) 50%, var(--magenta) 100%);

    /* Type scale */
    --fs-hero: clamp(2.5rem, 1.4rem + 3.6vw, 4.25rem);
    --fs-h2: clamp(1.85rem, 1.25rem + 1.9vw, 2.75rem);
    --fs-h3: clamp(1.15rem, 1.02rem + 0.4vw, 1.375rem);
    --fs-body: 1.0625rem;
    --fs-small: 0.9375rem;
    --fs-caption: 0.8125rem;
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Status */
    --error: #FF6B93;
    --error-soft: rgba(197, 0, 62, 0.16);
    --success: #4ADE80;
    --success-soft: rgba(34, 197, 94, 0.14);

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.625rem;
    --radius-lg: 0.875rem;
    --radius-xl: 1.125rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Effects */
    --shadow-md: 0 8px 20px -12px rgba(3, 2, 12, 0.8);
    --shadow-lg: 0 24px 48px -24px rgba(3, 2, 12, 0.9);
    --shadow-glow: 0 24px 50px -28px rgba(156, 124, 242, 0.55);
    --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);

    --nav-height: 72px;
    --z-nav: 100;

    color-scheme: dark;
}

html {
    font-family: var(--font-family);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--fs-body);
    line-height: 1.65;
    color: var(--body);
    background: var(--brand-primary);
    -webkit-font-smoothing: antialiased;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ---------------------------------------------------------
   Typography primitives
   --------------------------------------------------------- */
h1, h2, h3, h4 {
    color: var(--heading);
    line-height: 1.18;
    letter-spacing: -0.01em;
    font-weight: 700;
}

h2 {
    font-size: var(--fs-h2);
    font-weight: 700;
}

h3 {
    font-size: var(--fs-h3);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--lavender);
    background: rgba(156, 124, 242, 0.12);
    border: 1px solid rgba(156, 124, 242, 0.28);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-5);
}

.text-accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-head {
    max-width: 780px;
    margin-bottom: var(--space-12);
}

.section-head--center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-subtitle {
    margin-top: var(--space-4);
    color: var(--muted);
    font-size: var(--fs-body);
    line-height: 1.7;
}

/* ---------------------------------------------------------
   Sections — tonal steps on the same dark base
   --------------------------------------------------------- */
section {
    padding: var(--space-24) 0;
    position: relative;
}

.section-base {
    background: var(--brand-primary);
}

.section-alt {
    background: var(--brand-secondary);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section-feature {
    background: var(--brand-primary);
    overflow: hidden;
}

.section-feature-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(55% 60% at 12% 8%, rgba(126, 47, 151, 0.38) 0%, transparent 62%),
        radial-gradient(48% 52% at 90% 82%, rgba(91, 63, 168, 0.34) 0%, transparent 62%),
        radial-gradient(40% 40% at 62% 0%, rgba(228, 0, 127, 0.14) 0%, transparent 60%);
}

.section-feature .container {
    position: relative;
    z-index: 1;
}

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: var(--fs-small);
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--transition), background var(--transition),
                border-color var(--transition), box-shadow var(--transition), color var(--transition);
    white-space: nowrap;
}

.btn-sm {
    padding: 0.6rem 1.15rem;
    font-size: var(--fs-caption);
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: var(--gradient-cta);
    color: var(--heading);
    box-shadow: 0 12px 28px -16px rgba(228, 0, 127, 0.85);
}

.btn-primary:hover {
    background: var(--gradient-cta-hover);
    transform: translateY(-2px);
    box-shadow: 0 18px 34px -16px rgba(156, 124, 242, 0.9);
}

.btn-ghost {
    background: transparent;
    color: var(--heading);
    border-color: var(--line-strong);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--line-accent);
    transform: translateY(-2px);
}

/* ---------------------------------------------------------
   Navigation
   --------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-nav);
    min-height: var(--nav-height);
    display: flex;
    align-items: center;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background-color var(--transition), border-color var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 8, 38, 0.85);
    backdrop-filter: blur(14px);
    border-bottom-color: var(--line);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.nav-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.nav-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    background: var(--gradient-cta);
    color: var(--heading);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    font-weight: 700;
    font-size: 1rem;
    color: var(--heading);
    letter-spacing: -0.01em;
}

.nav-brand-text span {
    font-size: var(--fs-caption);
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--space-8);
}

.nav-menu a {
    position: relative;
    text-decoration: none;
    font-size: var(--fs-small);
    font-weight: 500;
    color: var(--muted);
    transition: color var(--transition);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition);
}

.nav-menu a:hover {
    color: var(--heading);
}

.nav-menu a:hover::after,
.nav-menu a.is-active::after {
    width: 100%;
}

.nav-menu a.is-active {
    color: var(--heading);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-md);
    padding: 0.55rem;
    cursor: pointer;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--heading);
    transition: transform var(--transition), opacity var(--transition);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before { top: -6px; }
.hamburger::after  { top: 6px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: translateY(-6px) rotate(-45deg);
}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */
.hero {
    position: relative;
    background: var(--brand-primary);
    padding: calc(var(--nav-height) + var(--space-20)) 0 var(--space-24);
    overflow: hidden;
    isolation: isolate;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(48% 55% at 10% 14%, rgba(126, 47, 151, 0.55) 0%, transparent 62%),
        radial-gradient(44% 50% at 88% 10%, rgba(91, 63, 168, 0.5) 0%, transparent 60%),
        radial-gradient(52% 55% at 72% 96%, rgba(228, 0, 127, 0.22) 0%, transparent 64%),
        linear-gradient(165deg, var(--brand-secondary) 0%, var(--brand-primary) 58%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(215, 220, 234, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(215, 220, 234, 0.045) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(80% 70% at 50% 30%, #000 0%, transparent 78%);
    -webkit-mask-image: radial-gradient(80% 70% at 50% 30%, #000 0%, transparent 78%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: var(--space-16);
    align-items: center;
}

.hero h1 {
    font-size: var(--fs-hero);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin-bottom: var(--space-6);
    max-width: 16ch;
}

.hero-content > p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--body);
    max-width: 58ch;
    margin-bottom: var(--space-8);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--line);
}

.hero-metrics dt {
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    width: fit-content;
}

.hero-metrics dd {
    font-size: var(--fs-caption);
    color: var(--muted);
    line-height: 1.5;
}

.hero-panel {
    background: var(--surface-glass);
    border: 1px solid var(--line);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
}

.hero-panel-head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--line);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--magenta);
    box-shadow: 0 0 0 0 rgba(228, 0, 127, 0.7);
    animation: pulse 2.4s infinite;
}

@keyframes pulse {
    70% { box-shadow: 0 0 0 10px rgba(228, 0, 127, 0); }
    100% { box-shadow: 0 0 0 0 rgba(228, 0, 127, 0); }
}

.hero-capabilities {
    list-style: none;
    display: grid;
    gap: var(--space-1);
    margin: var(--space-5) 0;
}

.hero-capabilities li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-2);
    font-size: var(--fs-small);
    font-weight: 500;
    color: var(--heading);
    border-bottom: 1px solid rgba(215, 220, 234, 0.06);
}

.hero-capabilities li:last-child {
    border-bottom: none;
}

.hero-capabilities span {
    color: var(--lavender);
    font-size: 0.6rem;
}

.hero-panel-note {
    font-size: var(--fs-caption);
    color: var(--muted);
    line-height: 1.6;
}

/* ---------------------------------------------------------
   Shared card base
   --------------------------------------------------------- */
.value-card,
.industry-card,
.service-card,
.advantage-card,
.testimonial-card,
.insight-card,
.stat-card {
    position: relative;
    background: var(--brand-surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: transform var(--transition), border-color var(--transition),
                box-shadow var(--transition), background-color var(--transition);
}

.value-card:hover,
.industry-card:hover,
.service-card:hover,
.advantage-card:hover,
.testimonial-card:hover,
.insight-card:hover,
.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--line-accent);
    background: var(--surface-raised);
    box-shadow: var(--shadow-lg);
}

/* ---------------------------------------------------------
   About
   --------------------------------------------------------- */
.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
    gap: var(--space-16);
    align-items: start;
}

.about-main .section-head {
    margin-bottom: var(--space-8);
}

.about-content p {
    color: var(--body);
    line-height: 1.8;
    margin-bottom: var(--space-5);
}

.about-content p:last-child {
    margin-bottom: 0;
    color: var(--heading);
    font-weight: 500;
}

.values-grid {
    display: grid;
    gap: var(--space-4);
}

.value-card {
    padding: var(--space-6);
    border-left: 3px solid var(--lavender);
}

.value-card:nth-child(2) {
    border-left-color: var(--magenta);
}

.value-card:nth-child(3) {
    border-left-color: var(--cyan);
}

.value-card h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-2);
}

.value-card p {
    color: var(--muted);
    font-size: var(--fs-small);
}

/* ---------------------------------------------------------
   Industries
   --------------------------------------------------------- */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
    gap: var(--space-5);
}

.industry-card {
    padding: var(--space-6);
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.industry-icon {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    border-radius: var(--radius-md);
    background: rgba(215, 220, 234, 0.06);
    border: 1px solid var(--line);
    margin-bottom: var(--space-5);
    transition: background-color var(--transition), border-color var(--transition);
}

.industry-card:hover .industry-icon {
    background: rgba(156, 124, 242, 0.16);
    border-color: var(--line-accent);
}

.industry-card h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-2);
}

.industry-card p {
    color: var(--muted);
    font-size: var(--fs-small);
}

/* ---------------------------------------------------------
   Services
   --------------------------------------------------------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--line);
}

.service-card {
    border: none;
    border-radius: 0;
    background: var(--brand-primary);
}

.service-card:hover {
    transform: none;
    box-shadow: none;
    background: var(--brand-surface);
}

.service-index {
    display: block;
    font-size: var(--fs-caption);
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--lavender);
    margin-bottom: var(--space-4);
}

.service-card h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-3);
}

.service-card p {
    color: var(--muted);
    font-size: var(--fs-small);
}

/* ---------------------------------------------------------
   AI Innovation
   --------------------------------------------------------- */
.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-5);
}

.ai-card {
    background: var(--surface-glass);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    backdrop-filter: blur(8px);
    transition: transform var(--transition), border-color var(--transition), background-color var(--transition);
}

.ai-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--line-accent);
}

.ai-card h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-3);
}

.ai-card p {
    color: var(--body);
    font-size: var(--fs-small);
}

.ai-framework {
    margin-top: var(--space-16);
    padding-top: var(--space-12);
    border-top: 1px solid var(--line);
}

.ai-framework-intro {
    max-width: 720px;
    margin-bottom: var(--space-10);
}

.ai-framework-intro h3 {
    font-size: 1.375rem;
    margin-bottom: var(--space-3);
}

.ai-framework-intro p {
    color: var(--body);
}

.ai-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-6);
}

.ai-step {
    position: relative;
    padding-top: var(--space-6);
    border-top: 2px solid var(--line-strong);
}

.ai-step::after {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    width: 40%;
    height: 2px;
    background: var(--gradient-accent);
}

.ai-step-num {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(156, 124, 242, 0.16);
    border: 1px solid rgba(156, 124, 242, 0.4);
    color: var(--lavender);
    font-size: var(--fs-caption);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.ai-step h4 {
    font-size: 1rem;
    margin-bottom: var(--space-2);
}

.ai-step p {
    font-size: var(--fs-small);
    color: var(--muted);
}

/* ---------------------------------------------------------
   Why us
   --------------------------------------------------------- */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-5);
}

.advantage-card h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-3);
    padding-left: var(--space-4);
    position: relative;
}

.advantage-card h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.35em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--magenta);
}

.advantage-card:nth-child(2n) h3::before { background: var(--lavender); }
.advantage-card:nth-child(3n) h3::before { background: var(--cyan); }

.advantage-card p {
    color: var(--muted);
    font-size: var(--fs-small);
}

/* ---------------------------------------------------------
   Testimonials
   --------------------------------------------------------- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-5);
}

.testimonial-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.testimonial-card::before {
    content: '“';
    position: absolute;
    top: var(--space-4);
    right: var(--space-6);
    font-size: 4.5rem;
    line-height: 1;
    color: rgba(156, 124, 242, 0.22);
    pointer-events: none;
}

.testimonial-card blockquote {
    position: relative;
    color: var(--body);
    font-size: var(--fs-small);
    line-height: 1.75;
    flex: 1;
}

.testimonial-card blockquote::before { content: '“'; }
.testimonial-card blockquote::after  { content: '”'; }

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-5);
    border-top: 1px solid var(--line);
    font-size: var(--fs-caption);
    color: var(--muted);
}

.testimonial-author strong {
    display: block;
    color: var(--heading);
    font-size: var(--fs-small);
}

.avatar {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(156, 124, 242, 0.16);
    border: 1px solid rgba(156, 124, 242, 0.35);
    color: var(--lavender);
    font-size: var(--fs-caption);
    font-weight: 700;
}

/* ---------------------------------------------------------
   Stats
   --------------------------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-5);
}

.stat-card {
    background: var(--surface-glass);
    backdrop-filter: blur(8px);
}

.stat-number {
    font-size: clamp(2.75rem, 2rem + 2.4vw, 3.75rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1;
    margin-bottom: var(--space-4);
    font-variant-numeric: tabular-nums;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    width: fit-content;
}

.stat-label {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: var(--space-2);
}

.stat-card p {
    font-size: var(--fs-small);
    color: var(--muted);
}

/* ---------------------------------------------------------
   Insights
   --------------------------------------------------------- */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-5);
}

.insight-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.insight-category {
    align-self: flex-start;
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--lavender);
    background: rgba(156, 124, 242, 0.14);
    border: 1px solid rgba(156, 124, 242, 0.3);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-2);
}

.insight-card:nth-child(2) .insight-category {
    color: var(--cyan);
    background: rgba(6, 182, 212, 0.12);
    border-color: rgba(6, 182, 212, 0.32);
}

.insight-card:nth-child(3) .insight-category {
    color: #FF5FA2;
    background: rgba(228, 0, 127, 0.12);
    border-color: rgba(228, 0, 127, 0.34);
}

.insight-card h3 {
    font-size: 1.125rem;
    line-height: 1.35;
}

.insight-card p {
    color: var(--muted);
    font-size: var(--fs-small);
    flex: 1;
}

.insight-link {
    font-size: var(--fs-small);
    font-weight: 600;
    color: var(--lavender);
    transition: color var(--transition);
}

.insight-card:hover .insight-link {
    color: var(--heading);
}

/* ---------------------------------------------------------
   Contact
   --------------------------------------------------------- */
.contact-content {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    border: 1px solid var(--line);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: var(--brand-surface);
    box-shadow: var(--shadow-lg);
}

.contact-info {
    position: relative;
    padding: var(--space-12);
    overflow: hidden;
    background: linear-gradient(160deg, var(--brand-secondary) 0%, var(--brand-primary) 100%);
}

.contact-info::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(70% 60% at 18% 8%, rgba(126, 47, 151, 0.5) 0%, transparent 66%),
        radial-gradient(60% 50% at 95% 95%, rgba(228, 0, 127, 0.24) 0%, transparent 62%);
    pointer-events: none;
}

.contact-info > * {
    position: relative;
    z-index: 1;
}

.contact-info h2 {
    margin-bottom: var(--space-4);
}

.contact-lead {
    color: var(--body);
    margin-bottom: var(--space-10);
}

.contact-list {
    list-style: none;
    display: grid;
    gap: var(--space-5);
}

.contact-list li {
    display: grid;
    gap: var(--space-1);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--line);
}

.contact-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.contact-label {
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.contact-list a,
.contact-list span:not(.contact-label) {
    color: var(--heading);
    font-size: var(--fs-small);
    text-decoration: none;
    word-break: break-word;
}

.contact-list a:hover {
    color: var(--lavender);
    text-decoration: underline;
}

.contact-form {
    padding: var(--space-12);
    background: var(--brand-surface);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--fs-caption);
    font-weight: 600;
    color: var(--heading);
}

.form-group label span {
    color: var(--magenta);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 0.9rem;
    font-family: inherit;
    font-size: var(--fs-small);
    color: var(--heading);
    background: rgba(10, 8, 38, 0.55);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-md);
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(180, 188, 211, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(10, 8, 38, 0.8);
    border-color: var(--lavender);
    box-shadow: 0 0 0 3px rgba(156, 124, 242, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(197, 0, 62, 0.22);
}

.form-status:empty {
    display: none;
}

.form-status {
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--fs-small);
    font-weight: 500;
    border: 1px solid transparent;
}

.form-status--success {
    background: var(--success-soft);
    border-color: rgba(34, 197, 94, 0.35);
    color: var(--success);
}

.form-status--error {
    background: var(--error-soft);
    border-color: rgba(197, 0, 62, 0.45);
    color: var(--error);
}

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.footer {
    background: var(--brand-primary);
    padding: var(--space-20) 0 var(--space-8);
    border-top: 1px solid var(--line);
}

.footer-content {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
    gap: var(--space-10);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--line);
}

.footer-brand .nav-mark {
    margin-bottom: var(--space-4);
}

.footer-section h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-3);
}

.footer-section h4 {
    font-size: var(--fs-caption);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--space-5);
}

.footer-section p {
    font-size: var(--fs-small);
    color: var(--muted);
    max-width: 34ch;
}

.footer-section ul {
    list-style: none;
    display: grid;
    gap: var(--space-3);
}

.footer-section a {
    font-size: var(--fs-small);
    color: var(--muted);
    text-decoration: none;
    transition: color var(--transition);
}

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

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-3);
    padding-top: var(--space-6);
}

.footer-bottom p,
.footer-bottom a {
    font-size: var(--fs-caption);
    color: var(--muted);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--lavender);
}

/* ---------------------------------------------------------
   Accessibility
   --------------------------------------------------------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: calc(var(--z-nav) + 1);
    background: var(--magenta);
    color: var(--heading);
    padding: var(--space-3) var(--space-4);
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 var(--radius-md) 0;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

.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;
}

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

#main-content:focus {
    outline: none;
}

::selection {
    background: rgba(228, 0, 127, 0.35);
    color: var(--heading);
}

/* ---------------------------------------------------------
   Scroll reveal
   --------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: var(--reveal-delay, 0ms);
}

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

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */
@media (max-width: 1024px) {
    .hero-grid,
    .about-layout {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .hero h1 {
        max-width: 20ch;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    :root {
        --nav-height: 64px;
    }

    .navbar {
        background: rgba(10, 8, 38, 0.92);
        backdrop-filter: blur(14px);
        border-bottom-color: var(--line);
    }

    .navbar .container {
        flex-wrap: wrap;
        padding-top: var(--space-3);
        padding-bottom: var(--space-3);
    }

    .nav-toggle {
        display: block;
        order: 3;
    }

    .nav-cta {
        order: 2;
        margin-left: auto;
        margin-right: var(--space-3);
    }

    .nav-menu {
        display: none;
        order: 4;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding-top: var(--space-2);
        border-top: 1px solid var(--line);
        margin-top: var(--space-3);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        width: 100%;
        padding: var(--space-3) 0;
        font-size: 1rem;
    }

    .nav-menu a::after {
        display: none;
    }

    section {
        padding: var(--space-16) 0;
    }

    .hero {
        padding-top: calc(var(--nav-height) + var(--space-16));
        padding-bottom: var(--space-16);
    }

    .contact-info,
    .contact-form {
        padding: var(--space-8);
    }

    .services-grid {
        border-radius: var(--radius-lg);
    }
}

@media (max-width: 560px) {
    .container {
        padding: 0 var(--space-5);
    }

    .hero-metrics {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .hero-metrics div {
        display: flex;
        align-items: baseline;
        gap: var(--space-3);
    }

    .hero-metrics dt {
        font-size: 1.5rem;
        min-width: 4ch;
    }

    .nav-cta {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .industries-grid,
    .services-grid,
    .advantages-grid,
    .testimonials-grid,
    .stats-grid,
    .insights-grid,
    .ai-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

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