/* Shinfosystems — Software & IT Consulting */

:root {
    /* Professional palette — entire page */
    --bg: #f4f5f7;
    --bg-alt: #e8eaef;
    --surface: #ffffff;
    --border: #dde0e5;
    --text: #1a1d21;
    --text-muted: #4a5568;
    --accent: #1e3a5f;
    --accent-hover: #152a47;
    --accent-soft: #e2e8f0;
    --cta-dark: #1e3a5f;
    --cta-dark-hover: #152a47;
    --text-on-dark: #ffffff;
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Lora', Georgia, serif;
    --radius: 8px;
    --radius-lg: 16px;
    --transition: 0.22s ease;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --reveal-duration: 0.6s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}


a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

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

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(244, 245, 247, 0.96);
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition);
}

.header.is-scrolled {
    border-bottom-color: var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--text);
    letter-spacing: 0.01em;
}

.logo:hover {
    color: var(--accent);
}

.logo-img {
    display: block;
    height: 42px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
}

.logo-img--footer {
    height: 48px;
    max-width: 260px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9375rem;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition) var(--ease-out);
}

.nav-menu a:hover {
    color: var(--text);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Hamburger menu — three horizontal bars */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    border-radius: var(--radius);
    transition: background var(--transition);
}

.nav-toggle:hover {
    background: var(--bg-alt);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 1px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Hero — split layout */
.hero {
    padding: 10rem 0 7rem;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--text);
}

.hero-title em {
    font-style: italic;
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.0625rem;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    max-width: 28em;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Hero visual — abstract shapes */
.hero-visual {
    position: relative;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
    transition: transform var(--transition) var(--ease-out);
}

.hero:hover .hero-shape--1 { transform: translate(-10%, -5%) scale(1.02); }
.hero:hover .hero-shape--2 { transform: translate(5%, 10%) scale(1.03); }
.hero:hover .hero-shape--3 { transform: translate(-5%, 5%) scale(0.98); }

.hero-shape--1 {
    width: 200px;
    height: 200px;
    background: var(--accent-soft);
    top: 50%;
    left: 50%;
    transform: translate(-55%, -50%);
}

.hero-shape--2 {
    width: 140px;
    height: 140px;
    background: var(--accent);
    opacity: 0.2;
    top: 30%;
    right: 20%;
    transform: translate(0, 0);
}

.hero-shape--3 {
    width: 80px;
    height: 80px;
    background: var(--border);
    bottom: 25%;
    left: 25%;
    transform: translate(0, 0);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: var(--text-on-dark);
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: var(--text-on-dark);
}

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

.btn-secondary:hover,
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-full {
    width: 100%;
}

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* Sections */
.section {
    padding: 4.5rem 0;
    position: relative;
}

.section-alt {
    background: var(--bg-alt);
}

/* Section numbers — large display */
.section-num {
    position: absolute;
    top: 2rem;
    right: 1.5rem;
    font-family: var(--font-serif);
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 700;
    line-height: 1;
    color: var(--accent);
    opacity: 0.08;
    pointer-events: none;
}

.section-num--light {
    color: #fff;
    opacity: 0.15;
}

/* Scroll reveal — hide only when JS has run; otherwise content stays visible */
.js-loaded [data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--reveal-duration) var(--ease-out), transform var(--reveal-duration) var(--ease-out);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

.js-loaded [data-reveal-child] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--reveal-duration) var(--ease-out), transform var(--reveal-duration) var(--ease-out);
}

[data-reveal].is-visible [data-reveal-child] {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger service cards */
[data-reveal].is-visible .services-grid .service-card:nth-child(1) { transition-delay: 0.05s; }
[data-reveal].is-visible .services-grid .service-card:nth-child(2) { transition-delay: 0.12s; }
[data-reveal].is-visible .services-grid .service-card:nth-child(3) { transition-delay: 0.19s; }
[data-reveal].is-visible .services-grid .service-card:nth-child(4) { transition-delay: 0.26s; }

.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
    max-width: 32em;
    margin-left: auto;
    margin-right: auto;
}

.section-header--left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

.section-tag {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 2.5vw, 1.875rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.section-desc {
    color: var(--text-muted);
    font-size: 1rem;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.about-lead {
    font-size: 1.0625rem;
    color: var(--text);
}

.about-values {
    list-style: none;
    margin-top: 1.25rem;
}

.about-values li {
    padding: 0.4rem 0;
    padding-left: 1.25rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.about-values li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}

.about-values strong {
    color: var(--text);
}

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

.stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    color: var(--text);
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.2rem;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Services — aligned 2×2 grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    align-items: stretch;
}

.services-grid--bento {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: minmax(260px, auto);
}

.service-card {
    display: flex;
    flex-direction: column;
    min-height: 280px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: border-left-color var(--transition), transform var(--transition) var(--ease-out), box-shadow var(--transition);
    position: relative;
    color: var(--text);
}

.service-card:hover {
    border-left-color: var(--accent-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.service-num {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-soft);
    line-height: 1;
}

.service-card--featured .service-num {
    font-size: 1.5rem;
    top: 1rem;
    right: 1rem;
}

.service-icon {
    display: inline-block;
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: 0.75rem;
    flex: 1;
}

.service-card p strong {
    color: var(--text);
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: 0.25rem 0;
    padding-left: 1.125rem;
    position: relative;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.service-list li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* Expertise */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.expertise-group {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    color: var(--text);
}

.expertise-group h4 {
    font-family: var(--font-serif);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tech-tags span {
    display: inline-block;
    padding: 0.35rem 0.6rem;
    background: var(--bg);
    border-radius: 4px;
    font-size: 0.8125rem;
    color: var(--text-muted);
    transition: background var(--transition), color var(--transition);
}

.tech-tags span:hover {
    background: var(--accent-soft);
    color: var(--accent);
}

.expertise-grid--wrap {
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
}

/* Clients */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    align-items: stretch;
}

.client-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: border-left-color var(--transition), transform var(--transition) var(--ease-out), box-shadow var(--transition);
}

.client-card:hover {
    border-left-color: var(--accent-hover);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.client-type {
    display: inline-block;
    font-family: var(--font-serif);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.client-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.client-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.client-feedback {
    margin: 0;
    padding: 1rem 0 0;
    border-top: 1px solid var(--border);
}

.client-feedback p {
    font-size: 0.9375rem;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.client-author {
    font-size: 0.8125rem;
    color: var(--text);
    font-weight: 500;
    font-style: normal;
}

/* Stagger client cards */
[data-reveal].is-visible .clients-grid .client-card:nth-child(1) { transition-delay: 0.05s; }
[data-reveal].is-visible .clients-grid .client-card:nth-child(2) { transition-delay: 0.12s; }
[data-reveal].is-visible .clients-grid .client-card:nth-child(3) { transition-delay: 0.19s; }
[data-reveal].is-visible .clients-grid .client-card:nth-child(4) { transition-delay: 0.26s; }

/* CTA */
.cta-box {
    text-align: center;
    padding: 2.5rem 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    transition: transform var(--transition) var(--ease-out), box-shadow var(--transition);
}

.cta-box:hover {
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
}

.cta-box h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text);
}

.cta-box p {
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    font-size: 0.9375rem;
}

/* CTA accent card — white text so it’s visible on dark blue */
.cta-box--accent {
    background: var(--cta-dark);
    border-color: var(--cta-dark);
}

.cta-box--accent h2,
.cta-box--accent p {
    color: #ffffff !important;
}

.cta-box--accent p {
    opacity: 1;
}

.cta-box--accent .btn-primary {
    background: #ffffff;
    color: var(--cta-dark);
}

.cta-box--accent .btn-primary:hover {
    background: var(--bg);
    color: var(--cta-dark-hover);
}

/* Contact — info panel only */
.contact-panel {
    background: var(--cta-dark);
    color: #ffffff;
    padding: 3rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
}

.contact-panel--centered {
    text-align: center;
}

.contact-panel--centered .contact-panel-inner {
    max-width: 24rem;
    margin: 0 auto;
}

.contact-panel-inner {
    max-width: 20rem;
}

.contact-panel .section-tag--light {
    color: #ffffff !important;
    opacity: 0.9;
}

.contact-panel-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ffffff !important;
}

.contact-panel-desc {
    font-size: 0.9375rem;
    color: #ffffff !important;
    opacity: 0.95;
    margin-bottom: 2rem;
}

.contact-details--stacked li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.contact-details--stacked .contact-label {
    font-size: 0.7rem;
    color: #ffffff !important;
    opacity: 0.85;
}

.contact-details--stacked a,
.contact-details--stacked span {
    color: #ffffff !important;
    font-weight: 500;
}

.contact-details--stacked a:hover {
    color: #ffffff !important;
    opacity: 0.9;
    text-decoration: underline;
}

.btn-contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    background: #ffffff;
    color: var(--cta-dark);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.btn-contact:hover {
    background: var(--bg);
    color: var(--cta-dark-hover);
}

.contact-details {
    list-style: none;
}

.contact-details li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.contact-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.contact-details a,
.contact-details span {
    color: var(--text);
    font-weight: 500;
}

/* Footer */
.footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

.footer-content {
    text-align: center;
}

.footer .logo {
    display: inline-block;
    margin-bottom: 0.5rem;
}

.footer .logo-img--footer {
    margin: 0 auto;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem;
    margin-bottom: 1rem;
}

.footer-nav a {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-nav a:hover {
    color: var(--text);
}

.footer-copy {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Responsive — tablet and below: hamburger menu (3 horizontal bars) */
@media (max-width: 900px) {
    /* Show hamburger, collapse nav into dropdown */
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        flex-direction: column;
        padding: 1rem 1.5rem;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
        z-index: 99;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
    }

    .nav-menu.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--border);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        display: block;
        padding: 0.875rem 0;
        font-size: 1rem;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    /* Hamburger to X when open */
    .nav-toggle.is-open span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.is-open span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.is-open span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Layout stacks */
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-subtitle {
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        min-height: 200px;
        order: -1;
    }

    .hero-shape--1 { width: 120px; height: 120px; }
    .hero-shape--2 { width: 80px; height: 80px; }
    .hero-shape--3 { width: 50px; height: 50px; }

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

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .services-grid,
    .services-grid--bento {
        grid-template-columns: 1fr;
        grid-auto-rows: auto;
    }

    .service-card {
        min-height: 0;
    }

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

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

    .contact-panel {
        padding: 2.5rem 1.5rem;
    }

    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

@media (max-width: 768px) {
    .about-stats {
        grid-template-columns: 1fr;
    }

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

    .section {
        padding: 3rem 0;
    }

    .section-num {
        font-size: 3rem;
        top: 1rem;
        right: 1rem;
    }

    .hero {
        padding: 7rem 0 4rem;
    }

    .contact-panel-inner {
        max-width: none;
    }

    .logo-img {
        max-width: 180px;
        height: 36px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .section-header--left {
        text-align: center;
    }

    .logo-img {
        max-width: 160px;
        height: 32px;
    }
}

/* Focus visible for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}