/**
 * ZINCAM/DEV — Global Base Styles & Design Utilities
 */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
}

/* Subtle Technical Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
    z-index: 0;
}

/* Subtle Top Vignette */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(255, 51, 51, 0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

main {
    flex: 1;
    position: relative;
    z-index: 1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--signal-red);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6,
.section-title, .hero-headline, .project-title, .case-title, 
.service-title, .process-step-title, .flow-name, .founder-name, .case-section-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.025em;
    word-break: keep-all;
    overflow-wrap: normal;
    text-wrap: balance;
    hyphens: none;
    -webkit-hyphens: none;
}

h1 {
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    text-transform: uppercase;
}

h2 {
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    text-transform: uppercase;
}

h3 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
}

h4 {
    font-size: clamp(1.1rem, 1.8vw, 1.4rem);
}

p {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--text-secondary);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--duration-normal) var(--ease-out-expo);
}

/* Technical Monospace & Labels */
.mono, code, .tech-label {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.mono-accent {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    color: var(--signal-red);
    text-transform: uppercase;
}

/* Containers */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
    position: relative;
}

.container-narrow {
    width: 100%;
    max-width: var(--container-narrow);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* Sections */
.section {
    padding-top: clamp(4rem, 8vw, 7.5rem);
    padding-bottom: clamp(4rem, 8vw, 7.5rem);
    position: relative;
    border-top: 1px solid var(--border-subtle);
}

.section-header {
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1.25rem;
}

.section-lead {
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 680px;
    line-height: 1.55;
}

/* Status Indicators & Badges */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-pill);
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    color: #34d399;
    text-transform: uppercase;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--signal-green);
    box-shadow: 0 0 8px var(--signal-green-glow);
    animation: pulse-dot 2.5s infinite ease-in-out;
}

.status-dot.red {
    background-color: var(--signal-red);
    box-shadow: 0 0 8px var(--signal-red-glow);
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.6; }
}

.tech-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    transition: all var(--duration-fast) var(--ease-out-expo);
}

.tech-tag:hover {
    border-color: var(--border-active);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.85rem 1.65rem;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out-expo);
    position: relative;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--signal-red);
    color: #ffffff;
    box-shadow: 0 4px 20px var(--signal-red-glow);
}

.btn-primary:hover {
    background-color: var(--signal-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(255, 51, 51, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-active);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--border-medium);
}

.btn-outline:hover {
    border-color: var(--signal-red);
    color: var(--signal-red);
    background: var(--signal-red-dim);
}

.btn-arrow {
    display: inline-block;
    transition: transform var(--duration-normal) var(--ease-out-expo);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* Technical Divider */
.tech-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    margin: 2rem 0;
}

.tech-divider::before,
.tech-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.tech-divider-label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--text-faint);
    letter-spacing: 0.1em;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.25rem, 2.5vw, 2rem);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(1rem, 2vw, 1.5rem);
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* 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;
    }
}