/* ============================================================
   VASCHECONTENIMENTO.IT — Industrial Utilitarian
   ISE Service — Landing SEO
   ============================================================ */

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

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--graphite);
    background: var(--paper);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===== DESIGN TOKENS ===== */
:root {
    /* Colors */
    --ink: #0A0E1A;
    --steel: #1F2937;
    --graphite: #4B5563;
    --concrete: #9CA3AF;
    --paper: #F5F3EE;
    --bone: #FAFAF7;
    --white: #FFFFFF;
    --signal: #059669;
    --signal-dark: #047857;
    --line: #D4D0C7;
    --line-dark: #9C9889;
    --warning: #F59E0B;
    --success: #059669;

    /* Typography */
    --font-display: 'Archivo Narrow', 'Arial Narrow', sans-serif;
    --font-body: 'IBM Plex Sans', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;

    /* Spacing scale (rem-based, mobile-first) */
    --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;

    /* Container */
    --container-max: 1280px;
    --container-pad: var(--space-5);

    /* Shadow */
    --shadow-sm: 0 1px 2px rgba(10, 14, 26, 0.05);
    --shadow-md: 0 4px 12px rgba(10, 14, 26, 0.08);
    --shadow-lg: 0 12px 32px rgba(10, 14, 26, 0.12);

    /* Transitions */
    --t-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --t-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --t-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Header height (for scroll-padding and offset) */
    --header-h: 72px;
}

/* Desktop overrides */
@media (min-width: 768px) {
    :root {
        --container-pad: var(--space-8);
        --header-h: 80px;
    }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--ink);
    line-height: 1.15;
    letter-spacing: -0.01em;
    font-weight: 800;
    text-wrap: balance;
}

h1 {
    font-size: clamp(2rem, 6.5vw, 4rem);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.625rem, 4.5vw, 2.5rem);
    text-transform: uppercase;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.625rem);
}

h4 {
    font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
    font-weight: 700;
}

p {
    text-wrap: pretty;
}

/* ===== UTILITIES ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.section {
    padding-block: var(--space-16);
    position: relative;
}

@media (min-width: 768px) {
    .section {
        padding-block: var(--space-24);
    }
}

.section-bone { background: var(--bone); }
.section-ink {
    background: var(--ink);
    color: var(--concrete);
}
.section-ink h1, .section-ink h2, .section-ink h3, .section-ink h4 {
    color: var(--white);
}

/* Industrial section numbering */
.section-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--signal);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.section-num::before {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--signal);
}

.section-header {
    margin-bottom: var(--space-12);
    max-width: 720px;
}

.section-header p {
    font-size: 1.0625rem;
    color: var(--graphite);
    margin-top: var(--space-4);
}

/* Blueprint grid background helper */
.blueprint-bg {
    background-image:
        linear-gradient(to right, rgba(31, 41, 55, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(31, 41, 55, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    letter-spacing: 0.02em;
    border: 2px solid transparent;
    transition: all var(--t-base);
    text-transform: uppercase;
    min-height: 48px;
    line-height: 1;
}

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

.btn-primary:hover, .btn-primary:focus-visible {
    background: var(--signal-dark);
    border-color: var(--signal-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--ink);
    border-color: var(--ink);
}

.btn-outline:hover, .btn-outline:focus-visible {
    background: var(--ink);
    color: var(--white);
}

.section-ink .btn-outline {
    color: var(--white);
    border-color: var(--white);
}
.section-ink .btn-outline:hover {
    background: var(--white);
    color: var(--ink);
}

/* ===== HEADER ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(245, 243, 238, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    height: var(--header-h);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.125rem;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--ink);
    color: var(--signal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.logo-sub {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--graphite);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 400;
}

@media (max-width: 599px) {
    .logo-sub { display: none; }
}

.nav-desktop {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .nav-desktop { display: flex; }
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--steel);
    transition: color var(--t-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--signal);
}

.header-cta { display: none; }
@media (min-width: 768px) {
    .header-cta { display: inline-flex; }
}

/* Mobile menu button */
.menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--line);
}

@media (min-width: 1024px) {
    .menu-btn { display: none; }
}

.menu-btn span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    position: relative;
}
.menu-btn span::before,
.menu-btn span::after {
    content: '';
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: var(--ink);
    transition: transform var(--t-base);
}
.menu-btn span::before { top: -6px; }
.menu-btn span::after { top: 6px; }

.menu-btn[aria-expanded="true"] span { background: transparent; }
.menu-btn[aria-expanded="true"] span::before { transform: rotate(45deg) translate(4px, 4px); }
.menu-btn[aria-expanded="true"] span::after  { transform: rotate(-45deg) translate(4px, -4px); }

.nav-mobile {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: var(--space-6) var(--container-pad);
    transform: translateY(-110%);
    transition: transform var(--t-base);
    z-index: 99;
    display:none;
}

.nav-mobile.open {
    transform: translateY(0);
}

.nav-mobile a {
    display: block;
    padding: var(--space-4) 0;
    font-size: 1.0625rem;
    font-weight: 500;
    color: var(--steel);
    border-bottom: 1px solid var(--line);
}

.nav-mobile a:last-of-type { border-bottom: none; }

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

/* ===== HERO ===== */
.hero {
    position: relative;
    padding-block: var(--space-12) var(--space-16);
    overflow: hidden;
    background: var(--paper);
}

@media (min-width: 768px) {
    .hero { padding-block: var(--space-20); }
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(31, 41, 55, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(31, 41, 55, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(circle at top right, rgba(0,0,0,0.5), transparent 70%);
    -webkit-mask-image: radial-gradient(circle at top right, rgba(0,0,0,0.5), transparent 70%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    display: grid;
    gap: var(--space-12);
    grid-template-columns: 1fr;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1.1fr 1fr;
        gap: var(--space-20);
    }
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
    margin-bottom: var(--space-5);
}

.hero-tag::before {
    content: '●';
    color: var(--signal);
}

.hero h1 {
    margin-bottom: var(--space-5);
}

.hero h1 span {
    color: var(--signal);
    display: inline-block;
}

.hero-lede {
    font-size: clamp(1.0625rem, 2.2vw, 1.25rem);
    color: var(--steel);
    margin-bottom: var(--space-8);
    max-width: 540px;
    line-height: 1.55;
}

.hero-usp {
    list-style: none;
    margin-bottom: var(--space-8);
    display: grid;
    gap: var(--space-3);
}

.hero-usp li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 0.9375rem;
    color: var(--steel);
}

.hero-usp li::before {
    content: '→';
    font-family: var(--font-mono);
    color: var(--signal);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 0.05em;
}

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

.hero-visual {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--bone);
    border: 1px solid var(--line);
    overflow: hidden;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-visual::after {
    content: 'TYPE A-300 / Acciaio Inox';
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    background: var(--ink);
    color: var(--signal);
    padding: var(--space-1) var(--space-3);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ===== TRUST BAR ===== */
.trust-bar {
    border-block: 1px solid var(--line);
    padding-block: var(--space-8);
    background: var(--bone);
}

.trust-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: repeat(2, 1fr);
    text-align: center;
}

@media (min-width: 768px) {
    .trust-grid { grid-template-columns: repeat(4, 1fr); }
}

.trust-item .num {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--ink);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.trust-item .num span {
    color: var(--signal);
}

.trust-item .label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--graphite);
}

/* ===== PROBLEM SECTION ===== */
.problem-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .problem-grid { grid-template-columns: repeat(3, 1fr); }
}

.problem-card {
    padding: var(--space-8);
    background: var(--bone);
    border: 1px solid var(--line);
    position: relative;
}

.problem-card .icon {
    width: 48px;
    height: 48px;
    background: var(--ink);
    color: var(--signal);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 700;
}

.problem-card h3 {
    margin-bottom: var(--space-3);
    font-size: 1.125rem;
}

.problem-card p {
    color: var(--graphite);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ===== CATEGORIES ===== */
.cats-grid {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) { .cats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cats-grid { grid-template-columns: repeat(3, 1fr); } }

.cat-card {
    background: var(--white);
    border: 1px solid var(--line);
    padding: var(--space-8);
    transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.cat-card:hover {
    transform: translateY(-2px);
    border-color: var(--ink);
    box-shadow: var(--shadow-lg);
}

.cat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--signal);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-base);
}

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

.cat-code {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    color: var(--signal);
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.cat-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
}

.cat-card p {
    color: var(--graphite);
    font-size: 0.9375rem;
    margin-bottom: var(--space-5);
    flex-grow: 1;
}

.cat-card .specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.cat-card .spec-tag {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--steel);
    background: var(--paper);
    padding: var(--space-1) var(--space-3);
    border: 1px solid var(--line);
}

.cat-card .cat-link {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: color var(--t-fast);
}

.cat-card .cat-link:hover {
    color: var(--signal);
}

.cat-card .cat-link::after {
    content: '→';
    transition: transform var(--t-fast);
}

.cat-card .cat-link:hover::after {
    transform: translateX(4px);
}

/* ===== FEATURES (Why Choose) ===== */
.features-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }

.feature {
    padding-block: var(--space-2);
    border-top: 2px solid var(--ink);
    padding-top: var(--space-5);
}

.feature .num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--signal);
    margin-bottom: var(--space-3);
}

.feature h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-3);
}

.feature p {
    color: var(--graphite);
    font-size: 0.9375rem;
}

/* ===== APPLICATIONS ===== */
.apps-grid {
    display: grid;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

@media (min-width: 480px) { .apps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .apps-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .apps-grid { grid-template-columns: repeat(6, 1fr); } }

.app-item {
    background: var(--bone);
    padding: var(--space-8) var(--space-5);
    text-align: center;
    transition: background var(--t-base);
}

.app-item:hover {
    background: var(--paper);
}

.app-item .icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-4);
    background: var(--ink);
    color: var(--signal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.875rem;
}

.app-item h4 {
    font-size: 0.9375rem;
    margin-bottom: var(--space-2);
    color: var(--ink);
}

.app-item p {
    font-size: 0.8125rem;
    color: var(--graphite);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== SPECS TABLE ===== */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.specs-table thead {
    background: var(--ink);
    color: var(--white);
}

.specs-table th {
    padding: var(--space-4);
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    border-bottom: 1px solid var(--ink);
}

.specs-table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--line);
    background: var(--bone);
}

.specs-table tr:nth-child(even) td {
    background: var(--white);
}

.specs-table td:first-child {
    font-weight: 600;
    color: var(--ink);
}

.specs-table td.num {
    font-family: var(--font-mono);
    color: var(--signal);
}

/* Responsive table */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-inline: calc(var(--container-pad) * -1);
    padding-inline: var(--container-pad);
}

/* ===== NORMATIVA ===== */
.norm-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

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

.norm-item {
    padding: var(--space-6);
    border-left: 3px solid var(--signal);
    background: var(--bone);
}

.norm-item .code {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--signal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
    font-weight: 500;
}

.norm-item h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-3);
    color: var(--ink);
}

.norm-item p {
    font-size: 0.9375rem;
    color: var(--graphite);
}

/* ===== PROCESS ===== */
.process-grid {
    display: grid;
    gap: var(--space-8);
    grid-template-columns: 1fr;
    counter-reset: step;
}

@media (min-width: 768px) { .process-grid { grid-template-columns: repeat(4, 1fr); } }

.process-step {
    position: relative;
    counter-increment: step;
    padding-top: var(--space-6);
}

.process-step::before {
    content: counter(step, decimal-leading-zero);
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--signal);
    line-height: 1;
    display: block;
    margin-bottom: var(--space-4);
}

.process-step h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-3);
}

.process-step p {
    color: var(--graphite);
    font-size: 0.9375rem;
}

/* ===== FAQ ===== */
/* ===== VANTAGGI (.adv-grid + .adv-card) ===== */
.adv-grid {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: 1fr;
}
@media (min-width: 640px) { .adv-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .adv-grid { grid-template-columns: repeat(3, 1fr); } }
.adv-card {
    padding: var(--space-7);
    background: var(--white);
    border: 1px solid var(--line);
    border-left: 3px solid var(--signal);
    transition: transform var(--t-base), box-shadow var(--t-base);
}
.adv-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.adv-card h3 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.0625rem;
    padding:10px;
    color: var(--ink);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}
.adv-card p { padding:10px; color: var(--graphite); font-size: 0.9375rem; line-height: 1.65; }


.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--line);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: var(--space-6) 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.0625rem;
    color: var(--ink);
    line-height: 1.3;
}

.faq-question::after {
    content: '+';
    flex-shrink: 0;
    font-family: var(--font-mono);
    color: var(--signal);
    font-size: 1.5rem;
    line-height: 1;
    transition: transform var(--t-base);
}

.faq-item[open] .faq-question::after {
    content: '−';
}

.faq-answer {
    padding-bottom: var(--space-6);
    color: var(--graphite);
    font-size: 0.9375rem;
    line-height: 1.7;
    max-width: 760px;
}

/* ===== FORM ===== */
.form-wrap {
    background: var(--white);
    border: 1px solid var(--line);
    padding: var(--space-8);
    max-width: 720px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .form-wrap { padding: var(--space-12); }
}

.form-grid {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: 1fr;
}

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

.form-field { display: flex; flex-direction: column; gap: var(--space-2); }
.form-field.full { grid-column: 1 / -1; }

.form-field label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--steel);
    font-weight: 500;
}

.form-field label .req { color: var(--signal); }

.form-field input,
.form-field textarea {
    padding: var(--space-4);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--ink);
    background: var(--bone);
    border: 1px solid var(--line);
    transition: border-color var(--t-fast), background var(--t-fast);
    width: 100%;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--signal);
    background: var(--white);
}

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

.form-field .err {
    color: var(--signal);
    font-size: 0.8125rem;
    font-family: var(--font-mono);
}

.form-privacy {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 0.875rem;
    color: var(--graphite);
    line-height: 1.5;
}

.form-privacy input[type="checkbox"] {
    margin-top: 0.2em;
    width: 18px;
    height: 18px;
    accent-color: var(--signal);
    flex-shrink: 0;
}

.form-privacy a {
    color: var(--ink);
    text-decoration: underline;
}

.form-honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
    height: 0;
}

.form-submit {
    margin-top: var(--space-5);
}

.form-submit .btn {
    width: 100%;
}

.form-note {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--graphite);
    margin-top: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.alert {
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-6);
    border-left: 3px solid;
    font-size: 0.9375rem;
}

.alert-success { border-color: var(--success); background: rgba(5, 150, 105, 0.05); color: var(--success); }
.alert-error { border-color: var(--signal); background: rgba(5, 150, 105, 0.05); color: var(--signal); }

/* ===== FOOTER ===== */
.footer {
    background: var(--ink);
    color: var(--concrete);
    padding: var(--space-16) 0 var(--space-8);
    font-size: 0.9375rem;
}

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

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

.footer h4 {
    font-family: var(--font-display);
    color: var(--white);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-5);
    font-weight: 700;
}

.footer-about p {
    color: var(--concrete);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--space-5);
    max-width: 320px;
}

.footer-about .logo {
    color: var(--white);
    margin-bottom: var(--space-5);
}

.footer-about .logo-mark {
    background: var(--signal);
    color: var(--ink);
}

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

.footer-list li {
    font-size: 0.9375rem;
}

.footer-list a {
    color: var(--concrete);
    transition: color var(--t-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--steel);
    padding-top: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    justify-content: space-between;
    align-items: flex-start;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--graphite);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        align-items: center;
    }
}

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

/* ===== STICKY MOBILE CTA ===== */
.mobile-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    padding: var(--space-3) var(--container-pad);
    z-index: 90;
    display: block;
    transform: translateY(110%);
    transition: transform var(--t-base);
}

.mobile-cta.visible {
    transform: translateY(0);
}

.mobile-cta .btn {
    width: 100%;
}

@media (min-width: 768px) {
    .mobile-cta { display: none; }
}

/* ===== ANIMATIONS ===== */
@media (prefers-reduced-motion: no-preference) {
    .hero h1, .hero-lede, .hero-usp, .hero-ctas, .hero-tag, .hero-visual {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeUp 600ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    .hero-tag    { animation-delay: 100ms; }
    .hero h1     { animation-delay: 200ms; }
    .hero-lede   { animation-delay: 300ms; }
    .hero-usp    { animation-delay: 400ms; }
    .hero-ctas   { animation-delay: 500ms; }
    .hero-visual { animation-delay: 300ms; }

    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1), transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal.in {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== ACCESSIBILITY ===== */
:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 2px;
}

.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;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--ink);
    color: var(--white);
    padding: var(--space-3) var(--space-5);
    z-index: 200;
}

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

/* ===== PRINT ===== */
@media print {
    .header, .nav-mobile, .mobile-cta, .footer { display: none; }
    body { background: white; }
}