/* ============================================
   BREVWORK — Refined Industrial
   Dark + Warm Amber + Precision
   ============================================ */

:root {
    --bg: #0a0a0b;
    --bg-elevated: #111113;
    --bg-card: #16161a;
    --bg-card-hover: #1c1c21;
    --surface: #1e1e23;
    --border: #2a2a32;
    --border-light: #3a3a44;
    --text: #e8e6e3;
    --text-muted: #8a8a96;
    --text-dim: #5a5a66;
    --accent: #d4a853;
    --accent-light: #e8c477;
    --accent-dim: #b8903f;
    --accent-glow: rgba(212, 168, 83, 0.15);
    --accent-glow-strong: rgba(212, 168, 83, 0.3);
    --white: #f5f4f1;
    --mono: 'DM Mono', monospace;
    --serif: 'Instrument Serif', serif;
    --sans: 'Satoshi', -apple-system, sans-serif;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --max-width: 1200px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

/* Grain Overlay */
.grain {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 9999;
    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='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========== NAVIGATION ========== */
.nav {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}
.nav.scrolled {
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    font-family: var(--sans);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--white);
}
.logo-mark {
    color: var(--accent);
    font-family: var(--mono);
    font-weight: 500;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.3s;
    letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
    background: var(--accent) !important;
    color: var(--bg) !important;
    font-weight: 700 !important;
    padding: 0.6rem 1.25rem;
    border-radius: 6px;
    transition: background 0.3s, transform 0.2s !important;
}
.nav-cta:hover {
    background: var(--accent-light) !important;
    transform: translateY(-1px);
}

/* Mobile toggle */
.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 4px;
}
.nav-mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: transform 0.3s, opacity 0.3s;
}
.nav-mobile-toggle.active span:first-child {
    transform: rotate(45deg) translate(3px, 3px);
}
.nav-mobile-toggle.active span:last-child {
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: rgba(10, 10, 11, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s;
}
.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}
.mobile-menu a {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.3s;
}
.mobile-menu a:hover { color: var(--accent); }

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}
.hero-grid-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(42, 42, 50, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(42, 42, 50, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
}
.hero-content {
    position: relative;
    text-align: center;
    max-width: 900px;
}
.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}
.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow-strong); }
    50% { opacity: 0.7; box-shadow: 0 0 0 8px transparent; }
}
.hero h1 {
    font-family: var(--serif);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 1.5rem;
}
.hero-line {
    display: block;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) forwards;
}
.hero-line:nth-child(1) { animation-delay: 0.3s; }
.hero-line:nth-child(2) { animation-delay: 0.45s; }
.hero-line:nth-child(3) { animation-delay: 0.6s; }
.hero-line-accent {
    color: var(--accent);
    font-style: italic;
}
.hero-sub {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.75s forwards;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.9s forwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s var(--ease);
    cursor: pointer;
    letter-spacing: 0.01em;
}
.btn-primary {
    background: var(--accent);
    color: var(--bg);
}
.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-ghost {
    border: 1px solid var(--border-light);
    color: var(--text);
}
.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}
.btn-full { width: 100%; justify-content: center; }

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    margin-top: 4rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 1.05s forwards;
}
.stat-value {
    display: block;
    font-family: var(--serif);
    font-size: 2rem;
    color: var(--accent);
    font-style: italic;
}
.stat-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 1s var(--ease) 1.5s forwards;
}
.hero-scroll-indicator span {
    font-family: var(--mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-dim);
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ========== SECTIONS ========== */
.section {
    padding: 7rem 0;
    position: relative;
}
.section-header {
    margin-bottom: 4rem;
}
.section-number {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.75rem;
}
.section-header h2 {
    font-family: var(--serif);
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    font-weight: 400;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}
.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* ========== SERVICES ========== */
.services { background: var(--bg); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}
.service-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: 10px;
    margin-bottom: 1.25rem;
    color: var(--accent);
}
.service-icon svg { width: 22px; height: 22px; }
.service-card h3 {
    font-family: var(--sans);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}
.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}
.service-price {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.02em;
}
.service-card-cta {
    background: linear-gradient(135deg, var(--accent-glow), var(--bg-card));
    border-color: var(--accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
}
.service-cta-content { text-align: center; }
.service-cta-content h3 { margin-bottom: 0.75rem; }
.service-cta-content p { margin-bottom: 1.5rem; }

/* ========== PROCESS ========== */
.process {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 700px;
}
.process-step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 2rem 0;
}
.step-number {
    font-family: var(--serif);
    font-size: 2.5rem;
    font-style: italic;
    color: var(--accent);
    line-height: 1;
    min-width: 60px;
}
.step-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.4rem;
}
.step-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.process-connector {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin-left: 30px;
}

/* ========== PRODUCTS ========== */
.products { background: var(--bg); }
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.4s var(--ease);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
}
.product-tag {
    font-family: var(--mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    display: inline-block;
    width: fit-content;
    margin-bottom: 1.25rem;
}
.product-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.6rem;
}
.product-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex-grow: 1;
}
.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}
.product-price {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--accent);
}
.product-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.3s;
}
.product-link:hover { color: var(--accent); }

/* ========== TRANSPARENCY ========== */
.transparency {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.transparency-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}
.transparency-main h3 {
    font-family: var(--serif);
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 1.25rem;
    line-height: 1.3;
}
.transparency-main p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}
.transparency-main ul {
    list-style: none;
    margin-bottom: 1.5rem;
}
.transparency-main li {
    padding: 0.6rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.transparency-main li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1rem;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}
.transparency-main li strong { color: var(--white); }
.transparency-note {
    font-family: var(--mono);
    font-size: 0.8rem !important;
    color: var(--text-dim) !important;
    border-left: 2px solid var(--accent);
    padding-left: 1rem;
}
.transparency-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.badge {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s var(--ease);
}
.badge:hover {
    border-color: var(--accent-dim);
    background: var(--accent-glow);
}
.badge-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}
.badge-icon svg { width: 24px; height: 24px; }
.badge span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.01em;
}

/* ========== NEWSLETTER ========== */
.newsletter { background: var(--bg); padding: 5rem 0; }
.newsletter-card {
    background: linear-gradient(135deg, var(--accent-glow), var(--bg-card));
    border: 1px solid var(--accent-dim);
    border-radius: 16px;
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}
.newsletter-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.5rem;
}
.newsletter-content h3 {
    font-family: var(--serif);
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}
.newsletter-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
}
.newsletter-form {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}
.newsletter-form input {
    background: var(--bg);
    border: 1px solid var(--border-light);
    padding: 0.85rem 1.25rem;
    border-radius: 6px;
    width: 280px;
    color: var(--text);
    transition: border-color 0.3s;
}
.newsletter-form input::placeholder { color: var(--text-dim); }
.newsletter-form input:focus { border-color: var(--accent); }

/* ========== CONTACT ========== */
.contact { background: var(--bg); }
.contact-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
}
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 0.85rem 1rem;
    border-radius: 8px;
    color: var(--text);
    transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group select { cursor: pointer; appearance: auto; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    text-align: center;
    margin-top: 0.5rem;
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-top: 0.5rem;
}
.contact-block h4 {
    font-family: var(--mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}
.contact-block a {
    display: block;
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: color 0.3s;
    padding: 0.2rem 0;
}
.contact-block a:hover { color: var(--accent); }

/* ========== FOOTER ========== */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}
.footer-brand {
    font-family: var(--sans);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
}
.footer-brand p {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-dim);
    margin-top: 0.25rem;
}
.footer-links {
    display: flex;
    gap: 1.5rem;
}
.footer-links a {
    font-size: 0.8rem;
    color: var(--text-dim);
    transition: color 0.3s;
}
.footer-links a:hover { color: var(--text-muted); }
.footer-copy {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-family: var(--mono);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .transparency-layout { grid-template-columns: 1fr; gap: 2.5rem; }
    .transparency-badges { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-mobile-toggle { display: flex; }
    .mobile-menu { display: flex; }
    .hero { padding: 7rem 1.5rem 3rem; min-height: 90vh; }
    .hero-stats { flex-direction: column; gap: 1.5rem; }
    .stat-divider { width: 40px; height: 1px; }
    .services-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .newsletter-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }
    .newsletter-form {
        flex-direction: column;
        width: 100%;
    }
    .newsletter-form input { width: 100%; }
    .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
    .form-row { grid-template-columns: 1fr; }
    .transparency-badges { grid-template-columns: 1fr 1fr; }
    .footer-inner { flex-direction: column; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
    .container { padding: 0 1.25rem; }
    .section { padding: 5rem 0; }
}