/* ============================================================
   NorthOps — Design System
   Editorial minimalism. Warm neutrals. Crafted restraint.
   ============================================================ */

/* ------------------------------------------------------------
   1. TOKENS
   ------------------------------------------------------------ */
:root {
    --color-text: #1a1d23;
    --color-text-secondary: #4a4f5c;
    --color-text-muted: #6b7280;
    --color-bg: #f8f8f6;
    --color-bg-alt: #f0f0ed;
    --color-bg-white: #ffffff;
    --color-accent: #3d6b7e;
    --color-accent-hover: #2d5363;
    --color-accent-light: #e8f0f3;
    --color-success: #3d7e5f;
    --color-error: #9e3b3b;
    --color-border: #d4d4cf;
    --color-border-light: #e8e8e4;

    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.75rem;
    --text-5xl: 3.5rem;

    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;

    --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;
    --space-32: 8rem;

    --container-max: 72rem;
    --container-narrow: 48rem;

    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

/* ------------------------------------------------------------
   2. RESET & BASE
   ------------------------------------------------------------ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Subtle grain texture */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

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

/* Typography */
h1, h2 {
    font-family: var(--font-display);
    font-weight: var(--font-normal);
    line-height: 1.15;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

h3, h4, h5, h6 {
    font-family: var(--font-body);
    font-weight: var(--font-semibold);
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); margin-bottom: var(--space-8); }
h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
h4 { font-size: var(--text-base); }

p {
    max-width: 65ch;
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

p:last-child { margin-bottom: 0; }

a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    transition: color 0.2s ease;
}

a:hover { color: var(--color-accent-hover); }

ul, ol {
    padding-left: var(--space-6);
    margin-bottom: var(--space-4);
}

li {
    margin-bottom: var(--space-2);
    color: var(--color-text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: 1;
    letter-spacing: 0.01em;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn:hover { text-decoration: none; }

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-white);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-bg-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(61, 107, 126, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.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;
}

/* ------------------------------------------------------------
   3. LAYOUT
   ------------------------------------------------------------ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--space-20) 0;
}

.section-alt {
    padding: var(--space-20) 0;
    background-color: var(--color-bg-alt);
}

/* Fade-in on scroll */
.section {
    animation: fadeUp 0.6s ease both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Grid */
.grid { display: grid; gap: var(--space-8); }
.grid-2 { display: grid; gap: var(--space-8); grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: var(--space-8); grid-template-columns: 1fr; }
.grid-4 { display: grid; gap: var(--space-8); grid-template-columns: 1fr; }

/* ------------------------------------------------------------
   4. HEADER
   ------------------------------------------------------------ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(248, 248, 246, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.wordmark {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.03em;
}

.wordmark:hover {
    color: var(--color-text);
    text-decoration: none;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.header-nav > a:not(.btn) {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.header-nav .btn {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-5);
}

/* Admin header */
.admin-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-text);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.admin-header .header-inner { height: 3.5rem; }
.admin-header .wordmark { color: #fff; }
.admin-header .wordmark:hover { color: #fff; }
.admin-header .header-nav > a { color: rgba(255,255,255,0.7); font-size: var(--text-sm); font-weight: var(--font-medium); text-decoration: none; }
.admin-header .header-nav > a:hover { color: #fff; }
.admin-badge { font-size: var(--text-xs); color: var(--color-accent); margin-left: var(--space-1); }
.btn-text { font-size: var(--text-xs) !important; opacity: 0.5; }
.btn-text:hover { opacity: 1; }

/* ------------------------------------------------------------
   5. HERO
   ------------------------------------------------------------ */
.section-hero {
    padding: var(--space-32) 0 var(--space-24);
}

.section-hero h1 {
    font-size: var(--text-5xl);
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-8);
    max-width: 16ch;
}

.hero-sub {
    font-size: var(--text-lg);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
    max-width: 52ch;
}

/* ------------------------------------------------------------
   6. SERVICE CARDS
   ------------------------------------------------------------ */
.service-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

.service-card {
    display: block;
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-6);
    text-decoration: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.service-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 24px rgba(26, 29, 35, 0.06);
    transform: translateY(-2px);
    text-decoration: none;
}

.service-card h3 {
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.service-card p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
    margin-bottom: var(--space-4);
}

.service-card .service-price {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-accent);
}

/* ------------------------------------------------------------
   7. PROOF POINTS
   ------------------------------------------------------------ */
.proof-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-top: var(--space-4);
}

.proof-point {
    padding-left: var(--space-6);
    border-left: 2px solid var(--color-accent);
}

.proof-point h3 {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-1);
}

.proof-point p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ------------------------------------------------------------
   8. PROCESS STEPS
   ------------------------------------------------------------ */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    margin-top: var(--space-4);
}

.process-step {
    display: flex;
    gap: var(--space-5);
    align-items: flex-start;
}

.process-step .step-number {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--text-lg);
    color: var(--color-accent);
    border: 1.5px solid var(--color-accent);
    border-radius: 50%;
    margin-top: 0.1em;
}

.process-step h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

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

/* ------------------------------------------------------------
   9. TEAM
   ------------------------------------------------------------ */
.team-grid {
    display: grid;
    gap: var(--space-10);
    grid-template-columns: 1fr;
}

.team-member {
    text-align: left;
}

.team-photo {
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--space-4);
    filter: grayscale(20%);
    transition: filter 0.3s ease;
}

.team-member:hover .team-photo {
    filter: grayscale(0%);
}

.team-member h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.team-title {
    font-size: var(--text-sm);
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.team-member > p:last-of-type {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
}

/* ------------------------------------------------------------
   10. CTA SECTION
   ------------------------------------------------------------ */
.section-cta {
    background-color: var(--color-text);
    padding: var(--space-24) 0;
    text-align: center;
}

.section-cta h2 {
    color: var(--color-bg);
    margin-bottom: var(--space-3);
}

.section-cta p {
    color: var(--color-text-muted);
    margin: 0 auto var(--space-8);
    max-width: 40ch;
}

.section-cta .btn-primary {
    background-color: var(--color-bg-white);
    color: var(--color-text);
    border-color: var(--color-bg-white);
}

.section-cta .btn-primary:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-bg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* ------------------------------------------------------------
   11. BULLET LIST
   ------------------------------------------------------------ */
.list-heading {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
}

.bullet-list {
    list-style: none;
    padding-left: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.bullet-item {
    position: relative;
    padding-left: var(--space-5);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.bullet-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--color-accent);
}

/* ------------------------------------------------------------
   12. CONTACT FORM
   ------------------------------------------------------------ */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: var(--container-narrow);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text);
}

.form-input,
.form-textarea {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-white);
    color: var(--color-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.form-textarea {
    resize: vertical;
    min-height: 8rem;
    font-family: var(--font-body);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-error);
}

.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
}

.alert-success {
    background-color: #e8f5ee;
    color: var(--color-success);
    border: 1px solid rgba(61, 126, 95, 0.2);
}

.alert-error {
    background-color: #fce8e8;
    color: var(--color-error);
    border: 1px solid rgba(158, 59, 59, 0.2);
}

/* Contact page */
.contact-page {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

.contact-page h1 {
    margin-bottom: var(--space-16);
}

.contact-layout {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.contact-form-col {
    max-width: var(--container-narrow);
}

.contact-info-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.contact-info-item h3 {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
}

.contact-info-item p {
    font-size: var(--text-lg);
    color: var(--color-text);
    line-height: 1.6;
}

.text-block {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 55ch;
}

/* ------------------------------------------------------------
   13. PAGE INTRO
   ------------------------------------------------------------ */
.page-intro {
    padding-top: var(--space-16);
    padding-bottom: var(--space-8);
}

.intro-text {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    line-height: 1.65;
    max-width: 55ch;
}

/* ------------------------------------------------------------
   14. TEXT CONTENT
   ------------------------------------------------------------ */
.text-heading {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
}

.text-content {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 65ch;
}

/* ------------------------------------------------------------
   15. MVP BLOCK
   ------------------------------------------------------------ */
.mvp-block {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}

.mvp-heading {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-normal);
    margin-bottom: var(--space-6);
}

.mvp-scope { margin-bottom: var(--space-6); }

.mvp-details {
    display: flex;
    gap: var(--space-12);
    margin-bottom: var(--space-6);
}

.mvp-detail dt {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
}

.mvp-detail dd {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin: 0;
}

.mvp-assumptions {
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border-light);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ------------------------------------------------------------
   16. TAGS
   ------------------------------------------------------------ */
.tag-heading {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    padding-left: 0;
}

.tag-item {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

/* ------------------------------------------------------------
   17. BIOS (about page)
   ------------------------------------------------------------ */
.bios-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

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

.bio-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.bio-photo {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    filter: grayscale(20%);
}

.bio-name {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-1);
}

.bio-title {
    font-size: var(--text-sm);
    color: var(--color-accent);
}

.bio-content {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.75;
    max-width: 65ch;
}

/* ------------------------------------------------------------
   18. FOOTER
   ------------------------------------------------------------ */
.site-footer {
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    gap: var(--space-10);
    grid-template-columns: 1fr;
    margin-bottom: var(--space-12);
}

.footer-brand .wordmark {
    color: var(--color-bg-white);
    display: inline-block;
    margin-bottom: var(--space-3);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-3);
}

.footer-meta {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: var(--space-1);
}

.footer-meta a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
}

.footer-meta a:hover {
    color: var(--color-bg-white);
}

.footer-col h4 {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-col ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-col ul li { margin-bottom: 0; }

.footer-col a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--color-bg-white);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom a {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.25);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: rgba(255, 255, 255, 0.6);
}

/* ------------------------------------------------------------
   19. UTILITY (404)
   ------------------------------------------------------------ */
.site-header--minimal {
    background-color: transparent;
    border-bottom: none;
    position: static;
}

.utility-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    min-height: 60vh;
}

.utility-center {
    text-align: center;
}

.utility-center h1 {
    text-align: center;
    margin-bottom: var(--space-4);
}

.utility-center p {
    text-align: center;
    margin: 0 auto var(--space-8);
    max-width: 40ch;
}

.utility-nav {
    display: flex;
    gap: var(--space-6);
    justify-content: center;
}

.utility-nav a {
    font-weight: var(--font-medium);
}

/* Service detail hero (no extra padding) */
.service-detail .section-hero {
    padding-bottom: var(--space-16);
}

/* ------------------------------------------------------------
   20. RESPONSIVE
   ------------------------------------------------------------ */

@media (min-width: 640px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }

    .contact-layout {
        flex-direction: row;
        gap: var(--space-16);
    }
    .contact-form-col {
        flex: 3;
    }
    .contact-info-col {
        flex: 2;
        padding-top: var(--space-1);
    }
}

@media (min-width: 768px) {
    .section { padding: var(--space-24) 0; }
    .section-alt { padding: var(--space-24) 0; }
    .section-hero { padding: var(--space-32) 0 var(--space-24); }
    .contact-page { padding: var(--space-16) 0; }

    h1 { font-size: var(--text-5xl); }

    .container {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }

    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }

    .process-steps {
        flex-direction: row;
        gap: var(--space-6);
    }

    .process-step {
        flex-direction: column;
        align-items: flex-start;
        flex: 1;
        gap: var(--space-3);
    }

    .intro-text { font-size: var(--text-2xl); }
}

@media (min-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(3, 1fr); }

    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }

    .bio-card {
        flex-direction: row;
        align-items: flex-start;
    }
}

@media (min-width: 1280px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ------------------------------------------------------------
   Hero CTAs — primary + secondary stack
   ------------------------------------------------------------ */
.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: center;
}

/* ------------------------------------------------------------
   Case studies grid
   ------------------------------------------------------------ */
.case-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
    margin-top: var(--space-4);
}

.case-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-6);
}

.case-card h3 {
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.case-card .case-meta {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.case-card p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
    margin-bottom: var(--space-3);
}

.case-card a {
    font-weight: var(--font-medium);
}

@media (min-width: 768px) {
    .case-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1280px) {
    .case-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ------------------------------------------------------------
   Engagement shapes grid
   ------------------------------------------------------------ */
.engagement-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
    margin-top: var(--space-6);
}

.engagement-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-6);
}

.engagement-card h3 {
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.engagement-card .engagement-meta {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.engagement-card p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
}

@media (min-width: 768px) {
    .engagement-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1280px) {
    .engagement-grid { grid-template-columns: repeat(3, 1fr); }
}

.section-intro {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    max-width: 60ch;
    margin-bottom: var(--space-6);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* Auth pages */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    padding: var(--space-16) var(--space-4);
}

.auth-card {
    width: 100%;
    max-width: 24rem;
}

.auth-card h1 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-1);
}

.auth-subtitle {
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
}

.auth-card .form-group {
    margin-bottom: var(--space-4);
}

.auth-card label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-1);
}

.auth-card input[type="email"],
.auth-card input[type="password"] {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
}

.auth-card .has-error input {
    border-color: var(--color-error, #dc2626);
}

.form-error {
    display: block;
    color: var(--color-error, #dc2626);
    font-size: var(--text-sm);
    margin-top: var(--space-1);
}

.btn-full {
    width: 100%;
    margin-top: var(--space-4);
}