/* ============================================
   Kuhn Consulting LLC — Atelier
   Warm, grid-structured design system
   ============================================ */

:root {
    /* Palette */
    --bg: #F4EFE6;
    --bg-card: #FBF7EE;
    --bg-deep: #1F1A17;
    --text: #1F1A17;
    --text-muted: #5C544C;
    --text-soft: #8A7E72;
    --accent: #A0463A;
    --accent-ink: #6E2F26;
    --accent-soft: rgba(160, 70, 58, 0.08);
    --accent-secondary: #6B7F5C;
    --rule: #E0D6C7;
    --rule-strong: #C9BCA8;

    /* Functional */
    --success: #4F6B47;
    --danger: #8C3A2F;
    --warning: #B89848;

    /* Typography */
    --font-serif: 'Fraunces', 'Iowan Old Style', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'IBM Plex Mono', 'SF Mono', Menlo, monospace;

    /* Layout */
    --container: 1200px;
    --radius: 14px;
    --radius-sm: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

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

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

ul {
    list-style: none;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.75rem;
}

.section {
    padding: 5.5rem 0;
}

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

.section-dark {
    background: var(--bg-deep);
    color: var(--bg);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--bg);
}

.section-dark .section-title {
    color: var(--bg);
}

.section-dark .section-subtitle {
    color: rgba(247, 242, 233, 0.7);
}

.section-title {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: clamp(1.85rem, 3.5vw, 2.6rem);
    line-height: 1.15;
    letter-spacing: -0.015em;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 3rem;
    max-width: 42rem;
}

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

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

/* Section header (Atelier marker pattern) */
.section-header {
    display: grid;
    grid-template-columns: 8rem 1fr;
    gap: 2rem;
    margin-bottom: 3.5rem;
    align-items: baseline;
}

.section-header.center {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

.section-header.center .section-marker {
    text-align: center;
    margin-bottom: 0.75rem;
}

.section-header.center .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.section-marker {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    letter-spacing: 0.02em;
    padding-top: 0.5rem;
}

.section-header-text .section-title,
.section-header-text .section-subtitle {
    margin-bottom: 0.75rem;
}

.section-header-text .section-subtitle {
    margin-bottom: 0;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    position: sticky;
    top: 0;
    z-index: 100;
    -webkit-backdrop-filter: saturate(1.5) blur(8px);
    backdrop-filter: saturate(1.5) blur(8px);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.1rem;
    padding-bottom: 1.1rem;
    position: relative;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.005em;
}

.navbar-brand .mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--accent);
    color: var(--bg);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
}

.navbar-brand span {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    margin-left: 0.25rem;
    letter-spacing: 0.04em;
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text);
    font-size: 0.92rem;
    font-weight: 500;
    position: relative;
    padding: 0.25rem 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-links .nav-cta {
    background: var(--text);
    color: var(--bg);
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    font-size: 0.88rem;
}

.nav-links .nav-cta:hover {
    background: var(--accent);
    color: var(--bg);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s;
    border-radius: 999px;
    padding: 0.85rem 1.5rem;
    border: none;
    cursor: pointer;
    text-align: center;
    line-height: 1;
}

.btn-primary {
    background: var(--text);
    color: var(--bg);
}

.btn-primary:hover {
    background: var(--accent);
    color: var(--bg);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--rule-strong);
}

.btn-outline:hover {
    background: var(--bg-card);
    color: var(--accent);
    border-color: var(--accent);
}

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

.section-dark .btn-primary:hover {
    background: var(--accent);
    color: var(--bg);
}

.btn-group {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.btn .fas,
.btn .far,
.btn .fa {
    font-size: 0.8em;
}

/* ============================================
   Hero (homepage)
   ============================================ */
.hero {
    padding: 5rem 0 4rem;
}

.hero .container {
    max-width: 1100px;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

.hero-eyebrow::before {
    content: '§ ';
    color: var(--accent);
}

.hero h1 {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: clamp(2.5rem, 5.5vw, 4.25rem);
    line-height: 1.05;
    letter-spacing: -0.022em;
    color: var(--text);
    margin-bottom: 1.5rem;
    max-width: 22ch;
    font-variation-settings: 'opsz' 144;
}

.hero h1 em {
    font-style: italic;
    color: var(--accent);
    font-variation-settings: 'opsz' 144, 'SOFT' 100;
}

.hero .tagline {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.35rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 400;
}

.hero .summary,
.hero-summary {
    font-size: 1.15rem;
    line-height: 1.55;
    color: var(--text-muted);
    max-width: 42rem;
    margin-bottom: 2.25rem;
}

.hero .btn-group {
    margin-bottom: 4rem;
}

/* Trusted-by strip */
.trusted {
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 1.75rem 0;
    margin-top: 1rem;
}

.trusted-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.trusted-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
}

.trusted-list {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.trusted-list span {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1.05rem;
    color: var(--text);
    letter-spacing: -0.005em;
    opacity: 0.75;
}

/* ============================================
   Page header (inner pages)
   ============================================ */
.page-header {
    padding: 5rem 0 3.5rem;
    border-bottom: 1px solid var(--rule);
}

.page-header .container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.75rem;
}

.page-header h1 {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 0.75rem;
    font-variation-settings: 'opsz' 144;
}

.page-header p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 42rem;
    line-height: 1.55;
}

.page-header .page-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.02em;
    margin-bottom: 1.25rem;
}

/* ============================================
   Prose block (long-form text, e.g. about page)
   ============================================ */
.prose-block {
    max-width: 48rem;
    margin: 0 auto;
}

.prose-block p {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text);
    margin-bottom: 1.25rem;
}

.prose-block p:last-child {
    margin-bottom: 0;
}

.prose-image {
    width: 100%;
    border-radius: var(--radius);
    margin-bottom: 2rem;
    border: 1px solid var(--rule);
}

/* ============================================
   Cards (used across services, case studies, values, etc.)
   ============================================ */
.card-grid {
    display: grid;
    gap: 1.5rem;
}

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

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

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

.card {
    background: var(--bg-card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
    display: flex;
    flex-direction: column;
}

.card:hover {
    border-color: var(--rule-strong);
    transform: translateY(-2px);
}

.card-header {
    padding: 1.75rem 1.75rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-header h3 {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1.4rem;
    color: var(--text);
    letter-spacing: -0.005em;
    line-height: 1.25;
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 10px;
    font-size: 1.15rem;
    align-self: flex-start;
}

.card-icon.process-step {
    background: var(--text);
    color: var(--bg);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 500;
}

.card-body {
    padding: 0.5rem 1.75rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    flex: 1;
}

.card-body p {
    margin-bottom: 1rem;
}

.card-body ul {
    list-style: none;
    margin: 1rem 0;
    padding: 0;
}

.card-body ul li {
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    position: relative;
    line-height: 1.55;
}

.card-body ul li::before {
    content: '·';
    position: absolute;
    left: 0.25rem;
    top: -0.1rem;
    color: var(--accent);
    font-size: 1.5rem;
    line-height: 1;
}

.card-footer {
    padding: 1.25rem 1.75rem 1.75rem;
    border-top: 1px solid var(--rule);
    margin-top: auto;
    background: rgba(224, 214, 199, 0.15);
}

.card-footer a {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.04em;
}

/* Card thumbnail (case study card on homepage) */
.screenshot-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-bottom: 1px solid var(--rule);
    background: var(--bg);
}

.screenshot-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.9);
    transition: transform 0.4s;
}

.card:hover .screenshot-thumb img {
    transform: scale(1.03);
}

/* Case meta row + case links in card footer */
.case-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    line-height: 1.5;
}

.case-meta .dot {
    color: var(--accent);
    margin: 0 0.4rem;
}

.case-links {
    display: flex;
    gap: 1.25rem;
    margin-top: 0.85rem;
    flex-wrap: wrap;
}

.case-links a {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.04em;
}

/* Case study sections (Challenge / Solution / Results) */
.case-study-section {
    margin-bottom: 1.5rem;
}

.case-study-section h4 {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.case-study-section p {
    margin-bottom: 0.75rem;
}

/* ============================================
   Tech badges (mono chips)
   ============================================ */
.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: center;
}

.tech-badges-cluster {
    max-width: 60rem;
}

.tech-badge {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text);
    background: var(--bg-card);
    border: 1px solid var(--rule);
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    letter-spacing: -0.005em;
    line-height: 1;
    white-space: nowrap;
}

.section-dark .tech-badge,
.tech-badge-dark {
    background: rgba(247, 242, 233, 0.05);
    color: var(--bg);
    border-color: rgba(247, 242, 233, 0.2);
}

/* ============================================
   Tech grid (about page)
   ============================================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

.tech-category {
    background: var(--bg-card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.tech-category h4 {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.tech-category h4::before {
    content: '// ';
    color: var(--text-soft);
}

/* ============================================
   Industries (about page)
   ============================================ */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    max-width: 60rem;
    margin: 0 auto;
}

.industry-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    padding: 1.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    text-align: center;
    transition: border-color 0.2s, transform 0.2s;
}

.industry-item:hover {
    border-color: var(--rule-strong);
    transform: translateY(-2px);
}

.industry-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 10px;
    font-size: 1.1rem;
}

.industry-item span:not(.industry-icon) {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 0.98rem;
    color: var(--text);
    line-height: 1.3;
}

/* ============================================
   Screenshot gallery
   ============================================ */
.screenshot-gallery {
    position: relative;
    margin: 0 1.75rem 1rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg);
    border: 1px solid var(--rule);
}

.gallery-viewport {
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.gallery-track {
    display: flex;
    transition: transform 0.45s cubic-bezier(0.5, 0, 0.2, 1);
    height: 100%;
}

.gallery-track img {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: zoom-in;
    background: var(--bg);
}

.gallery-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(31, 26, 23, 0.7);
    color: var(--bg);
    border: none;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.gallery-btn:hover {
    background: var(--accent);
}

.gallery-prev { left: 0.75rem; }
.gallery-next { right: 0.75rem; }

.gallery-counter {
    position: absolute;
    bottom: 0.75rem;
    right: 0.75rem;
    background: rgba(31, 26, 23, 0.7);
    color: var(--bg);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    letter-spacing: 0.02em;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 12, 10, 0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: min(90vw, 1400px);
    max-height: 88vh;
    overflow: hidden;
    cursor: zoom-in;
}

.lightbox-content.zoomed {
    overflow: auto;
    cursor: zoom-out;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 88vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    -webkit-user-select: none;
    user-select: none;
}

.lightbox-content.zoomed img {
    max-width: none;
    max-height: none;
    width: auto;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(247, 242, 233, 0.1);
    color: var(--bg);
    border: 1px solid rgba(247, 242, 233, 0.2);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    top: 1.5rem;
    right: 1.5rem;
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.6rem;
    line-height: 1;
}

.lightbox-prev,
.lightbox-next {
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    font-size: 1.8rem;
    line-height: 1;
}

.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.lightbox-counter {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--bg);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: rgba(247, 242, 233, 0.1);
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    letter-spacing: 0.02em;
}

/* ============================================
   Contact (form + info)
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 2rem;
    align-items: stretch;
}

.contact-info-card,
.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 2rem;
}

.contact-intro {
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    line-height: 1.65;
    font-size: 0.98rem;
}

.contact-info-card h3,
.contact-form-card h3 {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1.4rem;
    color: var(--text);
    margin-bottom: 1rem;
    letter-spacing: -0.005em;
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 0;
    border-top: 1px solid var(--rule);
}

.contact-info-item:first-of-type {
    border-top: none;
}

.contact-info-item .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 8px;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.contact-info-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Form */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 0.98rem;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--rule);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(160, 70, 58, 0.12);
}

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

.form-submit {
    width: 100%;
    justify-content: center;
}

.form-message {
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    line-height: 1.4;
    border: 1px solid var(--rule);
}

.form-message.success {
    background: rgba(107, 127, 92, 0.1);
    color: var(--success);
    border-color: rgba(107, 127, 92, 0.3);
}

.form-message.error {
    background: rgba(140, 58, 47, 0.08);
    color: var(--danger);
    border-color: rgba(140, 58, 47, 0.3);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg);
    padding: 4rem 0 2.5rem;
    border-top: 1px solid var(--rule);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 1.5rem;
}

.footer-brand {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1.2rem;
    color: var(--text);
    letter-spacing: -0.005em;
}

.footer-links {
    display: flex;
    gap: 1.75rem;
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text);
    font-size: 0.92rem;
}

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

.footer-bottom {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    text-align: center;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 992px) {
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        background: var(--bg);
        border-bottom: 1px solid var(--rule);
        padding: 1.25rem 1.75rem;
        gap: 1rem;
    }

    .nav-links.open {
        display: flex;
    }

    .card-grid-2,
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: 1fr;
    }

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

    .section-header {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .section {
        padding: 4rem 0;
    }

    .hero {
        padding: 3.5rem 0 3rem;
    }

    .hero .btn-group {
        margin-bottom: 3rem;
    }

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

    .trusted-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-links {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .industry-grid {
        grid-template-columns: 1fr;
    }
}