/* MarByte Design System — global entry point.
   Consumers link THIS file. It is a manifest of @import lines only;
   everything reachable from here ships to consuming projects. */

@import url("./tokens/fonts.css");
@import url("./tokens/colors.css");
@import url("./tokens/typography.css");
@import url("./tokens/spacing.css");
@import url("./tokens/radius.css");
@import url("./tokens/elevation.css");

/* ── Reset & base ─────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: var(--surface-page);
    color: var(--text-body);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}
h1,
h2,
h3,
h4,
p {
    margin: 0;
}
ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.18s ease;
}
a:hover {
    opacity: 0.7;
}
button {
    font-family: var(--font-body);
    cursor: pointer;
}

/* ── Animations ───────────────────────────────────────────────── */
@keyframes mb-rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}
.reveal {
    opacity: 0;
    animation: mb-rise 0.72s cubic-bezier(0.22, 0.61, 0.36, 1) both;
    animation-delay: calc(var(--i, 0) * 95ms);
    will-change: transform, opacity;
}
.scroll-reveal {
    opacity: 0;
    transform: translateY(26px);
    transition:
        opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
        transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
    transition-delay: calc(var(--i, 0) * 70ms);
    will-change: transform, opacity;
}
.scroll-reveal.visible {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    .reveal {
        animation: none;
        opacity: 1;
    }
    .scroll-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ── Availability bar ─────────────────────────────────────────── */
.avail-bar {
    background: var(--mb-black);
    color: #fff;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 13px;
    padding: 8px 40px;
    text-align: center;
}
.avail-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #3fcf8e;
    flex: none;
}

/* ── Nav ──────────────────────────────────────────────────────── */
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 18px 32px;
    gap: 24px;
}
.nav-logo {
    display: inline-flex;
}
.nav-links {
    display: flex;
    gap: 28px;
    flex: 1;
    justify-content: center;
}
.nav-links a {
    font-size: 15px;
    color: var(--text-body);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-body);
}
.icon-link.on-dark {
    color: var(--text-on-dark);
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 500;
    line-height: 1;
    border: none;
    transition:
        background-color 0.18s ease,
        opacity 0.18s ease;
}
.btn-primary {
    background: var(--cta-bg);
    color: var(--cta-fg);
    padding: 13px 26px;
    border-radius: var(--radius-pill);
}
.btn-primary:hover {
    background: #2c2c35;
    opacity: 1;
}
.btn-primary.sm {
    padding: 9px 20px;
    font-size: 14px;
}
.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 0;
    font-weight: 400;
    text-decoration: underline;
    text-underline-offset: 3px;
    border: none;
}
.btn-secondary:hover {
    opacity: 0.7;
}

/* ── MonoLabel ────────────────────────────────────────────────── */
.mono-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.28px;
    text-transform: uppercase;
    color: var(--text-slate);
}
.mono-label::before {
    content: "";
    display: block;
    width: 32px;
    height: 1px;
    background: var(--border-hairline);
    flex: none;
}
.mono-label.on-dark {
    color: rgba(255, 255, 255, 0.55);
}
.mono-label.on-dark::before {
    background: rgba(255, 255, 255, 0.3);
}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 120px 32px 96px;
    text-align: center;
}
.hero-label {
    display: flex;
    justify-content: center;
    margin-bottom: 22px;
}
.hero-h1 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(44px, 7.5vw, 92px);
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    text-wrap: balance;
}
.hero-sub {
    font-size: 18px;
    line-height: 1.5;
    color: var(--text-body);
    max-width: 560px;
    margin: 26px auto 0;
}
.hero-actions {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 34px;
}
.hero-socials {
    display: flex;
    gap: 18px;
    align-items: center;
    justify-content: center;
    margin-top: 40px;
}
.hero-email {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.28px;
    color: var(--text-slate);
}

/* ── Section wrapper ──────────────────────────────────────────── */
.section {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 120px 32px 0;
}

/* ── About ────────────────────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 56px;
    align-items: start;
}
.about-h2 {
    font-weight: 400;
    font-size: clamp(28px, 3.6vw, 40px);
    letter-spacing: -0.4px;
    line-height: 1.2;
    color: var(--text-primary);
    text-wrap: pretty;
}
.about-body {
    font-size: 18px;
    line-height: 1.55;
    color: var(--text-body);
    margin-top: 24px;
    max-width: 620px;
}
.about-body + .about-body {
    margin-top: 18px;
}
.facts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-hairline);
    border: 1px solid var(--border-hairline);
    margin-top: 40px;
}
.fact-cell {
    background: var(--surface-page);
    padding: 22px 24px;
}
.fact-label {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.28px;
    text-transform: uppercase;
    color: var(--text-slate);
}
.fact-value {
    font-size: 16px;
    color: var(--text-primary);
    margin-top: 8px;
    line-height: 1.4;
}

/* ── Tech stack ───────────────────────────────────────────────── */
.tech-header {
    margin-bottom: 48px;
    max-width: 640px;
}
.tech-h2 {
    font-weight: 400;
    font-size: clamp(32px, 4.5vw, 48px);
    letter-spacing: -0.48px;
    line-height: 1.15;
    color: var(--text-primary);
    text-wrap: pretty;
    margin-top: 16px;
}
.tech-sub {
    font-size: 18px;
    line-height: 1.5;
    color: var(--text-body);
    margin-top: 16px;
}
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border-hairline);
    border: 1px solid var(--border-hairline);
}
.tech-card {
    background: var(--surface-page);
    padding: 30px 26px 34px;
    display: flex;
    flex-direction: column;
}
.tech-icon {
    color: var(--mb-green);
}
.tech-name {
    font-weight: 500;
    font-size: 20px;
    line-height: 1.25;
    margin: 20px 0 10px;
    color: var(--text-primary);
}
.tech-desc {
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-body);
}

/* ── Services ─────────────────────────────────────────────────── */
.services-header {
    margin-bottom: 48px;
}
.services-h2 {
    font-weight: 400;
    font-size: clamp(32px, 4.5vw, 48px);
    letter-spacing: -0.48px;
    line-height: 1.15;
    color: var(--text-primary);
    text-wrap: pretty;
    max-width: 680px;
    margin-top: 16px;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-card);
    border: 1px solid var(--border-card);
}
.service-card {
    background: var(--surface-page);
    padding: 32px 28px 36px;
}
.service-icon {
    color: var(--mb-near-black);
}
.service-title {
    font-weight: 400;
    font-size: 24px;
    line-height: 1.3;
    margin: 20px 0 10px;
    color: var(--text-primary);
}
.service-desc {
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-body);
}

/* ── Approach band ────────────────────────────────────────────── */
.approach-band {
    background: var(--band-green);
    margin-top: 120px;
    color: var(--text-on-dark);
}
.approach-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 96px 32px;
}
.approach-h2 {
    font-weight: 400;
    font-size: clamp(30px, 4.2vw, 48px);
    letter-spacing: -0.48px;
    line-height: 1.15;
    margin-top: 16px;
    max-width: 720px;
}
.approach-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 48px;
}
.approach-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-md);
    padding: 28px;
}
.approach-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 24px;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}
.approach-desc {
    font-size: 16px;
    line-height: 1.55;
    color: var(--text-on-dark-muted);
}

/* ── Contact ──────────────────────────────────────────────────── */
.contact-section {
    background: var(--surface-stone);
}
.contact-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 96px 32px;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: start;
}
.contact-h2 {
    font-weight: 400;
    font-size: clamp(30px, 4vw, 44px);
    letter-spacing: -0.44px;
    line-height: 1.15;
    margin-top: 16px;
    color: var(--text-primary);
    text-wrap: pretty;
}
.contact-sub {
    font-size: 17px;
    line-height: 1.5;
    color: var(--text-body);
    margin-top: 16px;
    max-width: 400px;
}
.contact-links {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 32px;
}
.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    color: var(--text-primary);
}
.social-pills {
    display: flex;
    gap: 14px;
}
.social-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-primary);
    border: 1px solid var(--mb-near-black);
    border-radius: var(--radius-xl);
    padding: 8px 16px;
}

/* ── Contact form ─────────────────────────────────────────────── */
.form-card {
    background: var(--surface-card);
    border-radius: var(--radius-md);
    padding: 32px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}
.form-req {
    color: var(--accent-coral);
}
.form-input,
.form-textarea {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.4;
    color: var(--text-body);
    padding: 10px 14px;
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-xs);
    background: var(--surface-card);
    outline: none;
    width: 100%;
    transition:
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}
.form-input:focus,
.form-textarea:focus {
    border-color: var(--focus-input);
    box-shadow: 0 0 0 3px rgba(155, 96, 170, 0.12);
}
.form-textarea {
    resize: vertical;
}
.form-fieldset {
    border: none;
    padding: 0;
    margin: 0;
}
.form-fieldset legend {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    padding: 0;
    margin-bottom: 10px;
}
.type-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.type-chip {
    font-size: 14px;
    line-height: 1.2;
    padding: 9px 16px;
    border-radius: var(--radius-xl);
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-hairline);
    transition:
        background-color 0.18s ease,
        color 0.18s ease,
        border-color 0.18s ease;
}
.type-chip[aria-pressed="true"] {
    background: var(--mb-near-black);
    color: var(--text-on-dark);
    border-color: var(--mb-near-black);
}
.form-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ── Thanks state ─────────────────────────────────────────────── */
.thanks {
    display: none;
    padding: 24px 0;
}
.thanks.visible {
    display: block;
}
.thanks-title {
    font-size: 24px;
    letter-spacing: -0.32px;
    color: var(--text-primary);
}
.thanks-body {
    font-size: 16px;
    color: var(--text-body);
    margin-top: 10px;
    line-height: 1.5;
}

/* ── Footer ───────────────────────────────────────────────────── */
.site-footer {
    background: var(--mb-near-black);
    color: var(--text-on-dark);
}
.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 64px 32px 40px;
}
.footer-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand {
    max-width: 360px;
}
.footer-tagline {
    font-size: 15px;
    line-height: 1.55;
    color: var(--text-on-dark-muted);
    margin-top: 18px;
}
.footer-cols {
    display: flex;
    gap: 56px;
    flex-wrap: wrap;
}
.footer-col-heading {
    font-size: 14px;
    color: #fff;
    margin-bottom: 16px;
}
.footer-col-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-col-links a {
    font-size: 14px;
    color: var(--text-on-dark-muted);
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 28px;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-copy {
    font-size: 12px;
    color: var(--text-on-dark-muted);
}
.footer-icons {
    display: flex;
    gap: 18px;
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 880px) {
    .nav-links {
        display: none;
    }
    .about-grid,
    .contact-inner {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .approach-cards {
        grid-template-columns: 1fr;
    }
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 560px) {
    .facts-grid,
    .form-row,
    .tech-grid {
        grid-template-columns: 1fr;
    }
    .site-nav {
        padding: 16px 20px;
    }
    .hero {
        padding: 80px 20px 64px;
    }
    .section {
        padding: 80px 20px 0;
    }
    .approach-band .approach-inner {
        padding: 64px 20px;
    }
    .contact-inner {
        padding: 64px 20px;
    }
    .footer-inner {
        padding: 48px 20px 32px;
    }
}