/* ══════════════════════════════════════════════════════════════
   DBC DIGITAL — Design System v2.0
   AI Engineering · Made in Italy
   ══════════════════════════════════════════════════════════════ */

/* ── Custom Properties ── */
:root {
    /* Core */
    --ink: #0f0f1a;
    --ink-soft: #161625;
    --ink-deep: #1c1c2e;
    --ink-elevated: #24243a;

    /* Accent (default: amber) */
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --accent-glow: rgba(245, 158, 11, 0.15);
    --accent-muted: rgba(245, 158, 11, 0.06);

    /* Secondary */
    --terra: #8b5cf6;
    --terra-glow: rgba(139, 92, 246, 0.08);

    /* Text */
    --white: #fafaf0;
    --text-soft: rgba(250, 250, 240, 0.75);
    --text-muted: rgba(250, 250, 240, 0.55);
    --text-faint: rgba(250, 250, 240, 0.35);
    --text-ghost: rgba(250, 250, 240, 0.12);

    /* Borders */
    --border: rgba(250, 250, 240, 0.08);
    --border-active: rgba(245, 158, 11, 0.25);

    /* Semantic */
    --success: #34d399;
    --warning: #fb923c;
    --info: #60a5fa;
    --error: #f87171;

    /* Motion */
    --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 150ms;
    --duration-base: 300ms;
    --duration-slow: 600ms;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-glow: 0 0 40px rgba(245, 158, 11, 0.15);
    --shadow-glow-hover: 0 0 60px rgba(245, 158, 11, 0.2);
    --shadow-elevate: 0 4px 24px rgba(0, 0, 0, 0.4);

    /* Page-specific accent (overridden per page) */
    --page-accent: var(--accent);
    --page-accent-glow: var(--accent-glow);
}

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

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    font-size: clamp(0.88rem, 0.2vw + 0.82rem, 1rem);
    line-height: 1.65;
    background: var(--ink);
    color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font: inherit;
    cursor: pointer;
}

/* ── Selection ── */
::selection {
    background: rgba(245, 158, 11, 0.3);
    color: var(--white);
}

/* ── Focus visible ── */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--ink);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ── Skip Link ── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--accent);
    color: var(--ink);
    padding: 0.5rem 1rem;
    z-index: 1000;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-family: 'Syne', sans-serif;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 1rem;
}

/* ══════════════════════════════════════════════════════════════
   TYPOGRAPHY
   ══════════════════════════════════════════════════════════════ */

h1, .h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(3rem, 5vw + 1.5rem, 5.5rem);
    line-height: 1.04;
    letter-spacing: -0.03em;
}

h2, .h2 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(2rem, 2vw + 1.4rem, 3.25rem);
    line-height: 1.1;
    letter-spacing: -0.025em;
}

h3, .h3 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: clamp(1.25rem, 0.7vw + 1.05rem, 1.75rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h4, .h4 {
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    font-size: clamp(1rem, 0.4vw + 0.88rem, 1.25rem);
    line-height: 1.3;
}

/* ── Text utilities ── */
.text-accent { color: var(--accent); }
.text-dim { color: var(--text-muted); }
.text-faint { color: var(--text-faint); }
.text-soft { color: var(--text-soft); }

.text-gradient {
    background: linear-gradient(135deg, var(--accent) 0%, var(--white) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Mono (code, tech tags) ── */
.mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: clamp(0.75rem, 0.1vw + 0.72rem, 0.82rem);
    font-weight: 500;
}

/* ══════════════════════════════════════════════════════════════
   LAYOUT
   ══════════════════════════════════════════════════════════════ */

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

.container--narrow { max-width: 900px; }
.container--wide { max-width: 1400px; }

/* ── Section ── */
.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section--tight { padding: var(--space-3xl) 0; }
.section--loose { padding: var(--space-5xl) 0; }
.section--surface { background: var(--ink-soft); }
.section--deep { background: var(--ink-deep); }
.section--elevated { background: var(--ink-elevated); }

/* ── Section Header ── */
.section-label {
    display: block;
    font-size: clamp(0.64rem, 0.05vw + 0.63rem, 0.67rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.section-label--page {
    color: var(--page-accent);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-sub {
    font-size: clamp(0.88rem, 0.2vw + 0.82rem, 1rem);
    color: var(--text-muted);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: var(--space-3xl);
}

/* ══════════════════════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════════════════════ */

.nav-wrap {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 0;
    transition:
        background var(--duration-base) var(--ease-out),
        backdrop-filter var(--duration-base) var(--ease-out),
        border-color var(--duration-base) var(--ease-out);
}

.nav-wrap.scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ── Logo ── */
.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    text-decoration: none;
}

.nav-logo-brand {
    font-family: 'Syne', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.nav-logo-sub {
    font-family: 'Syne', sans-serif;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-soft);
    letter-spacing: -0.02em;
}

/* ── Nav Links ── */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--duration-fast) var(--ease-out);
    position: relative;
}

.nav-links a:hover {
    color: var(--white);
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--accent);
    transition: width var(--duration-base) var(--ease-out);
}

.nav-links a:not(.nav-cta):hover::after {
    width: 100%;
}

/* ── Nav CTA ── */
.nav-cta {
    font-family: 'Syne', sans-serif;
    font-size: 0.875rem;
    font-weight: 700;
    background: var(--accent);
    color: var(--ink) !important;
    padding: 0.55rem 1.4rem;
    border-radius: var(--radius-md);
    transition:
        background var(--duration-fast) var(--ease-out),
        transform var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out);
}

.nav-cta:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

/* ── Mobile Toggle ── */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    color: var(--white);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    margin: 5px 0;
    transition: all var(--duration-fast) var(--ease-out);
}

@media (max-width: 899px) {
    .nav-toggle { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: var(--space-xl);
        gap: var(--space-lg);
        border-bottom: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }
}

/* ══════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-5xl) 0 var(--space-4xl);
    position: relative;
    overflow: hidden;
}

.hero--page {
    min-height: 80vh;
    padding: 10rem 0 6rem;
}

/* ── Hero Background Layers ── */
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(ellipse 60% 50% at 70% 40%, rgba(245, 158, 11, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 20% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 55%),
        radial-gradient(ellipse 30% 40% at 85% 90%, rgba(96, 165, 250, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero-bg--page {
    background:
        radial-gradient(ellipse 50% 60% at 80% 40%, var(--page-accent-glow) 0%, transparent 60%),
        radial-gradient(ellipse 40% 50% at 10% 70%, rgba(245, 158, 11, 0.05) 0%, transparent 55%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
    pointer-events: none;
}

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

/* ── Hero Breadcrumb ── */
.hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--text-faint);
    margin-bottom: 1.75rem;
}

.hero-breadcrumb a {
    color: var(--text-faint);
    transition: color var(--duration-fast) var(--ease-out);
}

.hero-breadcrumb a:hover {
    color: var(--white);
}

.hero-breadcrumb span {
    color: var(--text-ghost);
}

/* ── Hero Tag ── */
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-glow);
    border: 1px solid var(--border-active);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
}

.hero-tag--page {
    background: var(--page-accent-glow);
    border-color: rgba(96, 165, 250, 0.25);
    color: var(--page-accent);
}

.hero-tag-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: tag-pulse 2s ease-in-out infinite;
}

.hero-tag--page .hero-tag-dot {
    background: var(--page-accent);
}

@keyframes tag-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ── Hero Heading ── */
.hero h1 {
    max-width: 820px;
    margin-bottom: 1.75rem;
}

.hero h1 .accent {
    color: var(--accent);
    text-shadow: 0 0 40px rgba(245, 158, 11, 0.15);
}

.hero h1 .accent-page {
    color: var(--page-accent);
}

.hero h1 .dim {
    color: var(--text-muted);
}

/* ── Hero Subtitle ── */
.hero-sub {
    font-size: clamp(1rem, 0.4vw + 0.88rem, 1.15rem);
    color: var(--text-muted);
    max-width: 520px;
    line-height: 1.75;
    margin-bottom: 2.5rem;
}

.hero-sub strong {
    color: var(--white);
    font-weight: 500;
}

/* ── Hero Actions ── */
.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* ── Hero Stats ── */
.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.stat-value {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.5rem, 1.2vw + 1.15rem, 2.2rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-value span {
    color: var(--accent);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ══════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: clamp(0.88rem, 0.2vw + 0.82rem, 1rem);
    padding: 0.9rem 2rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #0f0f1a;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-hover);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--text-ghost);
}

.btn-secondary:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--text-ghost);
    border-radius: 0;
}

.btn-ghost:hover {
    color: var(--white);
    border-color: var(--white);
}

.btn-sm { padding: 0.55rem 1.25rem; font-size: clamp(0.75rem, 0.1vw + 0.72rem, 0.82rem); }
.btn-lg { padding: 1.1rem 2.5rem; font-size: clamp(1rem, 0.4vw + 0.88rem, 1.25rem); }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ══════════════════════════════════════════════════════════════
   CARDS — Portfolio
   ══════════════════════════════════════════════════════════════ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.card {
    background: var(--ink-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition:
        border-color var(--duration-base) var(--ease-out),
        transform var(--duration-base) var(--ease-out),
        box-shadow var(--duration-base) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
}

.card:hover {
    border-color: var(--border-active);
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevate);
}

.card:hover::before {
    opacity: 1;
}

/* ── Featured Card ── */
.card--featured {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--ink-deep) 0%, rgba(245, 158, 11, 0.04) 100%);
    border-color: rgba(245, 158, 11, 0.15);
}

.card--featured::before {
    opacity: 1;
}

/* ── Card Tag ── */
.card-tag {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
}

.card-tag--live {
    background: var(--accent-glow);
    color: var(--accent);
}

.card-tag--build {
    background: var(--accent-glow);
    color: var(--accent);
}

.card-tag--complex {
    background: var(--accent-glow);
    color: var(--accent);
}

/* ── Card Content ── */
.card-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--white);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: var(--space-lg);
}

/* ── Tech Stack Tags ── */
.card-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.card-tech {
    font-size: 0.72rem;
    font-weight: 600;
    background: var(--accent-muted);
    border: 1px solid var(--border-active);
    color: var(--accent);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
}

/* ══════════════════════════════════════════════════════════════
   CARDS — Verticals
   ══════════════════════════════════════════════════════════════ */

.verticals-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.card--vertical {
    background: var(--ink-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    transition:
        border-color var(--duration-base) var(--ease-out),
        transform var(--duration-base) var(--ease-out),
        box-shadow var(--duration-base) var(--ease-out);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.card--vertical::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
}

.card--vertical:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
    box-shadow: var(--shadow-elevate);
}

.card--vertical:hover::after {
    opacity: 1;
}

.card--legal::after  { background: linear-gradient(90deg, #60a5fa, #818cf8); }
.card--pmi::after    { background: linear-gradient(90deg, var(--accent), var(--accent-dark)); }
.card--ecom::after   { background: linear-gradient(90deg, #f472b6, #fb923c); }
.card--health::after { background: linear-gradient(90deg, #34d399, #06b6d4); }

/* ── Card Icon ── */
.card-icon {
    font-size: 2rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

/* ── Card List ── */
.card-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--space-lg);
}

.card-list li {
    font-size: 0.82rem;
    color: var(--text-faint);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-list li::before {
    content: "→";
    color: var(--accent);
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ── Card Link ── */
.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: 'Syne', sans-serif;
    opacity: 0.5;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.card--vertical:hover .card-link {
    opacity: 1;
}

/* ══════════════════════════════════════════════════════════════
   PROCESS STEPS
   ══════════════════════════════════════════════════════════════ */

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    counter-reset: steps;
}

.process-step {
    padding: 2.5rem 2rem;
    background: var(--ink-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    position: relative;
}

.step-num {
    font-family: 'Syne', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    color: rgba(245, 158, 11, 0.08);
    line-height: 1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
}

.step-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.step-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ══════════════════════════════════════════════════════════════
   DIFFERENTIATORS
   ══════════════════════════════════════════════════════════════ */

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.diff-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.07);
}

.diff-card:nth-child(1) {
    background: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.12);
}

.diff-card:nth-child(2) {
    background: rgba(139, 92, 246, 0.05);
    border-color: rgba(139, 92, 246, 0.12);
}

.diff-card:nth-child(3) {
    background: rgba(96, 165, 250, 0.05);
    border-color: rgba(96, 165, 250, 0.12);
}

.diff-icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.diff-title {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.diff-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ══════════════════════════════════════════════════════════════
   PAGE-SPECIFIC: Problem Box
   ══════════════════════════════════════════════════════════════ */

.problem-box {
    background: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-left: 4px solid #ef4444;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    margin-bottom: 5rem;
}

.problem-box h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--error);
    margin-bottom: 1rem;
}

.problem-box p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.75;
}

.problem-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.problem-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.problem-list li::before {
    content: "⚠";
    color: var(--error);
    flex-shrink: 0;
    margin-top: 0.1rem;
}

/* ══════════════════════════════════════════════════════════════
   PAGE-SPECIFIC: Solution Grid
   ══════════════════════════════════════════════════════════════ */

.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 5rem;
}

.solution-card {
    background: var(--ink-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition:
        border-color var(--duration-base) var(--ease-out),
        transform var(--duration-base) var(--ease-out);
}

.solution-card:hover {
    border-color: var(--border-active);
    transform: translateY(-3px);
}

.solution-icon {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.solution-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.solution-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ══════════════════════════════════════════════════════════════
   PAGE-SPECIFIC: Capabilities
   ═════════════════════════════
.cap-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 5rem;
}

.cap-item {
    background: var(--ink-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition:
        border-color var(--duration-base) var(--ease-out),
        transform var(--duration-base) var(--ease-out);
}

.cap-item:hover {
    border-color: var(--border-active);
    transform: translateY(-2px);
}

.cap-icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.cap-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.cap-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

.cap-query {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--text-faint);
    border-left: 2px solid var(--accent);
}

/* ══════════════════════════════════════════════════════════════
   PAGE-SPECIFIC: Why Us Cards
   ══════════════════════════════════════════════════════════════ */

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.why-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.07);
    background: var(--ink-elevated);
    transition:
        border-color var(--duration-base) var(--ease-out),
        transform var(--duration-base) var(--ease-out);
}

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

.why-icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.why-title {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.why-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ══════════════════════════════════════════════════════════════
   CTA / CONTACT SECTION
   ══════════════════════════════════════════════════════════════ */

.cta-wrap {
    background: var(--ink-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--space-3xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.cta-text h2 {
    font-size: clamp(1.5rem, 1.2vw + 1.15rem, 2.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.cta-text p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.75;
}

.cta-note,
.cta-guarantee {
    margin-top: var(--space-lg);
    font-size: 0.8rem;
    color: var(--text-faint);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ══════════════════════════════════════════════════════════════
   FORMS
   ══════════════════════════════════════════════════════════════ */

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

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-faint);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--text-ghost);
    border-radius: var(--radius-md);
    padding: 0.8rem 1rem;
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    transition:
        border-color var(--duration-fast) var(--ease-out),
        background var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--border-active);
    background: rgba(245, 158, 11, 0.03);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.form-group select option {
    background: var(--ink-deep);
    color: var(--white);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* ── Form Messages ── */
.form-msg {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    display: none;
}

.form-msg--success {
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
    border: 1px solid rgba(52, 211, 153, 0.25);
}

.form-msg--error {
    background: rgba(248, 113, 113, 0.15);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.25);
}

/* ── Submit Button ── */
.btn-submit {
    background: var(--accent);
    color: var(--ink);
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    margin-top: var(--space-sm);
}

.btn-submit:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ── Honeypot (anti-spam) ── */
.form-hp {
    position: absolute !important;
    left: -10000px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */

.footer {
    padding: var(--space-2xl) 0 var(--space-xl);
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    text-decoration: none;
}

.footer-logo-brand {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.footer-logo-sub {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-faint);
    letter-spacing: -0.02em;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.82rem;
    color: var(--text-faint);
    transition: color var(--duration-fast) var(--ease-out);
}

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

.footer-copy {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.2);
}

/* ══════════════════════════════════════════════════════════════
   AI EFFECTS (subtle)
   ══════════════════════════════════════════════════════════════ */

/* ── Text Glow ── */
.glow-text {
    text-shadow:
        0 0 20px rgba(245, 158, 11, 0.15),
        0 0 40px rgba(245, 158, 11, 0.08);
}

/* ── Noise Overlay ── */
.noise-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.03;
    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='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 256px 256px;
}

/* ══════════════════════════════════════════════════════════════
   SCROLL REVEAL
   ══════════════════════════════════════════════════════════════ */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 0.6s var(--ease-out),
        transform 0.6s var(--ease-out);
}

.reveal--visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Stagger children ── */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.5s var(--ease-out),
        transform 0.5s var(--ease-out);
}

.reveal-stagger.reveal--visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal--visible > *:nth-child(2) { transition-delay: 100ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal--visible > *:nth-child(3) { transition-delay: 200ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal--visible > *:nth-child(4) { transition-delay: 300ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal--visible > *:nth-child(5) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal--visible > *:nth-child(6) { transition-delay: 500ms; opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */

/* sm (640px): tablet portrait */
@media (min-width: 640px) {
    .hero-stats { gap: var(--space-xl); }
}

/* md (900px): tablet landscape, nav expands */
@media (min-width: 900px) {
    .nav-links { display: flex; }
    .nav-toggle { display: none; }
}

/* lg (1024px): desktop */
@media (min-width: 1024px) {
    .container { padding: 0 var(--space-xl); }
}

/* xl (1280px): wide */
@media (min-width: 1280px) {
    .container { max-width: 1200px; }
}

/* ── Mobile (max 899px) ── */
@media (max-width: 899px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
    .card--featured {
        grid-column: span 1;
    }
    .verticals-grid {
        grid-template-columns: 1fr;
    }
    .process-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    .diff-grid {
        grid-template-columns: 1fr;
    }
    .solution-grid {
        grid-template-columns: 1fr;
    }
    .cap-grid {
        grid-template-columns: 1fr;
    }
    .why-grid {
        grid-template-columns: 1fr;
    }
    .cta-wrap {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        padding: var(--space-xl);
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .hero-stats {
        gap: var(--space-xl);
    }
}

/* ── Small mobile (max 639px) ── */
@media (max-width: 639px) {
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ── Extreme small screens ── */
@media (max-width: 360px) {
    h1 { font-size: 2.2rem; }
    .hero-stats { gap: var(--space-lg); }
    .stat-value { font-size: 1.6rem; }
}

/* ══════════════════════════════════════════════════════════════
   ACCESSIBILITY: Reduced Motion
   ══════════════════════════════════════════════════════════════ */

@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,
    .reveal-stagger > * {
        opacity: 1;
        transform: none;
    }


}