:root {
    --ink: #000000;
    --paper: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
}

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

body {
    font-family: 'Crimson Pro', serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    color: inherit;
}

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

/* ─── NAV ─── */

.site-nav {
    background: var(--ink);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-nav .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--paper);
    text-decoration: none;
    letter-spacing: -0.03em;
    font-family: 'Crimson Pro', serif;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: 'DM Mono', monospace;
    transition: color 0.2s ease;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--paper);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* ─── LAYOUT ─── */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: 80px 0;
}

.section + .section {
    border-top: 1px solid var(--gray-200);
}

/* ─── TYPOGRAPHY ─── */

.section-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray-500);
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--gray-600);
    max-width: 680px;
    line-height: 1.6;
}

/* ─── HERO ─── */

.hero {
    padding: 100px 0 80px;
    border-bottom: 1px solid var(--gray-200);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 28px;
    max-width: 900px;
}

.hero-sub {
    font-size: 1.35rem;
    font-weight: 300;
    color: var(--gray-600);
    max-width: 640px;
    line-height: 1.6;
    margin-bottom: 40px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ─── BUTTONS ─── */

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: 'DM Mono', monospace;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

.btn-primary:hover {
    background: var(--gray-800);
    border-color: var(--gray-800);
}

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

.btn-outline:hover {
    background: var(--ink);
    color: var(--paper);
}

.btn-white {
    background: var(--paper);
    color: var(--ink);
    border-color: var(--paper);
}

.btn-white:hover {
    background: transparent;
    color: var(--paper);
}

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

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

/* ─── TIER CARDS ─── */

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 48px;
}

.tier-card {
    padding: 40px 36px;
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s ease;
}

.tier-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.tier-card + .tier-card {
    border-left: none;
}

.tier-card.featured {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

.tier-name {
    font-family: 'DM Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
}

.tier-card.featured .tier-name {
    color: var(--gray-400);
}

.tier-headline {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1.2;
}

.tier-desc {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--gray-600);
    margin-bottom: 24px;
    flex-grow: 1;
}

.tier-card.featured .tier-desc {
    color: var(--gray-400);
}

.tier-meta {
    font-family: 'DM Mono', monospace;
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--gray-500);
}

.tier-card.featured .tier-meta {
    color: var(--gray-400);
}

.tier-price {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.tier-cta {
    margin-top: auto;
}

/* ─── STATS ─── */

.stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.stat-block {
    padding: 40px 24px;
    text-align: center;
}

.stat-block + .stat-block {
    border-left: 1px solid var(--gray-200);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-500);
}

/* ─── CLIENTS CAROUSEL ─── */

.clients-section {
    padding: 40px 0;
}

.clients-carousel {
    overflow: hidden;
    position: relative;
}

.clients-track-wrap {
    display: flex;
    gap: 0;
    align-items: center;
    width: max-content;
    animation: marquee 20s linear infinite;
    will-change: transform;
}

.clients-track {
    display: flex;
    gap: 40px;
    align-items: center;
    flex: 0 0 auto;
}

.client-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    flex: 0 0 auto;
}

.client-item img {
    max-height: 60px;
    max-width: 160px;
    object-fit: contain;
    opacity: 0.95;
    transition: opacity 0.3s ease, transform 0.3s ease;
    display: block;
    margin-bottom: 8px;
}

.client-item img[src$=".svg"] {
    height: 180px !important;
    max-height: 180px !important;
    width: auto;
    max-width: 450px !important;
}

.client-item.zirkly-container {
    background: var(--gray-100);
    padding: 15px 20px;
    border-radius: 8px;
}

.client-item img:hover {
    opacity: 1;
    transform: scale(1.03);
}

.clients-carousel:hover .clients-track-wrap {
    animation-play-state: paused;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ─── SCREENSHOT PLACEHOLDERS ─── */

.screenshot {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 2px dashed var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    color: var(--gray-400);
    font-family: 'DM Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ─── PORTFOLIO GRID ─── */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.portfolio-item {
    border: 1px solid var(--gray-200);
    transition: box-shadow 0.3s ease;
}

.portfolio-item:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.portfolio-item .screenshot {
    border: none;
    border-bottom: 1px solid var(--gray-200);
}

.portfolio-item .screenshot-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--gray-200);
}

.portfolio-body {
    padding: 24px;
}

.portfolio-badge {
    display: inline-block;
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 4px 10px;
    border: 1px solid var(--gray-300);
    margin-bottom: 12px;
}

.portfolio-badge.blitz { background: var(--gray-100); }
.portfolio-badge.launch { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.portfolio-badge.forge { background: var(--gray-800); color: var(--paper); border-color: var(--gray-800); }

.portfolio-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
}

.portfolio-desc {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.5;
}

/* ─── DARK SECTION (CTA / CLOSING) ─── */

.dark-section {
    background: var(--ink);
    color: var(--paper);
    padding: 80px 0;
}

.dark-section .section-label {
    color: var(--gray-500);
}

.dark-section .section-subtitle {
    color: var(--gray-400);
}

/* ─── TIER DETAIL (SERVICES PAGE) ─── */

.tier-detail {
    padding: 80px 0;
}

.tier-detail + .tier-detail {
    border-top: 1px solid var(--gray-200);
}

.tier-detail.dark {
    background: var(--ink);
    color: var(--paper);
}

.tier-detail.dark + .tier-detail {
    border-top: none;
}

.tier-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.tier-detail-info {
    max-width: 600px;
}

.tier-detail-meta {
    text-align: right;
    flex-shrink: 0;
}

.tier-detail-meta .tier-price {
    margin-bottom: 8px;
}

.tier-detail-meta .tier-meta {
    margin-bottom: 16px;
}

.tier-detail .ideal-for {
    font-size: 1.05rem;
    color: var(--gray-600);
    margin-top: 16px;
    line-height: 1.6;
}

.tier-detail.dark .ideal-for {
    color: var(--gray-400);
}

.tier-detail .portfolio-grid {
    margin-top: 32px;
}

.tier-detail.dark .portfolio-item {
    border-color: var(--gray-700);
}

.tier-detail.dark .portfolio-item .screenshot {
    border-color: var(--gray-700);
    background: var(--gray-900);
    color: var(--gray-600);
}

.tier-detail.dark .portfolio-body {
    background: var(--gray-900);
}

.tier-detail.dark .portfolio-desc {
    color: var(--gray-400);
}

/* ─── CONTACT / REACH-OUT ─── */

.contact-hero {
    padding: 100px 0 60px;
}

.contact-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    padding: 60px 0 100px;
}

.contact-details h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.contact-item a {
    text-decoration: none;
    border-bottom: 1px solid var(--gray-300);
    transition: border-color 0.2s;
}

.contact-item a:hover {
    border-color: var(--ink);
}

.contact-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 3px;
}

.discovery-pitch {
    max-width: 500px;
}

.discovery-pitch h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.discovery-pitch p {
    font-size: 1.05rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
}

.discovery-list {
    list-style: none;
    margin: 24px 0 32px;
}

.discovery-list li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    font-size: 1.05rem;
    color: var(--gray-700);
}

.discovery-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--gray-400);
}

/* ─── FOOTER ─── */

.site-footer {
    background: var(--ink);
    color: var(--gray-500);
    padding: 40px 0;
    font-family: 'DM Mono', monospace;
    font-size: 0.8rem;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-inner a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-inner a:hover {
    color: var(--paper);
}

.footer-links {
    display: flex;
    gap: 24px;
}

/* ─── RESPONSIVE ─── */

@media (max-width: 900px) {
    .tiers-grid {
        grid-template-columns: 1fr;
    }

    .tier-card + .tier-card {
        border-left: 1px solid var(--gray-200);
        border-top: none;
    }

    .tier-card.featured + .tier-card {
        border-left: 1px solid var(--gray-200);
    }

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

    .stat-block:nth-child(3) {
        border-left: none;
    }

    .contact-body {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .tier-detail-header {
        flex-direction: column;
    }

    .tier-detail-meta {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }

    .hero-sub {
        font-size: 1.15rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .container {
        padding: 0 24px;
    }

    .site-nav .nav-inner {
        padding: 0 24px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--ink);
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
        border-top: 1px solid var(--gray-800);
    }

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

    .nav-toggle {
        display: block;
    }

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

    .stat-block:nth-child(odd) + .stat-block {
        border-left: 1px solid var(--gray-200);
    }

    .stat-block:nth-child(3) {
        border-top: 1px solid var(--gray-200);
        border-left: none;
    }

    .stat-block:nth-child(4) {
        border-top: 1px solid var(--gray-200);
    }

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

    .hero {
        padding: 60px 0 50px;
    }

    .section {
        padding: 50px 0;
    }

    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
        padding: 0 24px;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn {
        text-align: center;
    }
}

@media print {
    .site-nav, .site-footer { display: none; }
    .hero { padding: 40px 0; }
    .section { padding: 30px 0; }
    * { animation: none !important; }
}