/* ─── Design Tokens ─────────────────────────────── */
:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-surface-dark: #0f1117;
    --color-text: #1a1a2e;
    --color-text-secondary: #5a5a7a;
    --color-text-light: #e0e0e6;
    --color-text-light-secondary: #9a9ab0;
    --color-primary: #1565c0;
    --color-primary-light: #e3f2fd;
    --color-accent: #f57c00;
    --color-accent-light: #fff3e0;
    --color-border: #e8e8ee;
    --color-border-dark: #2a2a3e;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --nav-height: 64px;
}

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

/* ─── Container ─────────────────────────────────── */
.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Navigation ────────────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-height);
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s, background 0.3s, backdrop-filter 0.3s;
}
.nav--scrolled {
    border-bottom-color: var(--color-border);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.nav__container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.125rem;
    color: #fff;
    transition: color 0.3s;
}
.nav--scrolled .nav__logo { color: var(--color-text); }
.nav__logo-icon { color: rgba(255,255,255,0.9); transition: color 0.3s; }
.nav--scrolled .nav__logo-icon { color: var(--color-primary); }
.nav__links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav__links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255,255,255,0.75);
    transition: color 0.3s;
}
.nav__links a:hover { color: #fff; }
.nav--scrolled .nav__links a { color: var(--color-text-secondary); }
.nav--scrolled .nav__links a:hover { color: var(--color-text); }
.nav__cta {
    background: var(--color-primary);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    transition: background 0.2s, transform 0.2s !important;
}
.nav__cta:hover {
    background: #1255a1 !important;
    transform: translateY(-1px);
}
.nav__lang {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border: 1.5px solid rgba(255,255,255,0.3);
    border-radius: 6px;
    color: rgba(255,255,255,0.75) !important;
    transition: all 0.3s;
    margin-left: 4px;
}
.nav__lang:hover {
    border-color: #fff;
    color: #fff !important;
    background: rgba(255,255,255,0.1);
}
.nav--scrolled .nav__lang {
    border-color: var(--color-border);
    color: var(--color-text-secondary) !important;
}
.nav--scrolled .nav__lang:hover {
    border-color: var(--color-primary);
    color: var(--color-primary) !important;
    background: var(--color-primary-light);
}
.nav__menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: #fff;
}
.nav--scrolled .nav__menu {
    color: var(--color-text);
    padding: 4px;
}

/* ─── Mobile Menu ───────────────────────────────── */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    z-index: 99;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    flex-direction: column;
    gap: 12px;
    box-shadow: var(--shadow-md);
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
    font-size: 1rem;
    font-weight: 500;
    padding: 8px 0;
    color: var(--color-text);
}

/* ─── Hero ──────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + 40px) 24px 80px;
    overflow: hidden;
}
.hero__bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom, rgba(10,12,20,0.7) 0%, rgba(10,12,20,0.55) 50%, rgba(10,12,20,0.8) 100%),
        url('assets/hero-bg.jpg') center center / cover no-repeat;
}
.hero__grid {
    display: none;
}
.hero__content {
    position: relative;
    text-align: center;
    max-width: 720px;
}
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.9);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.15);
}
.hero__title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
    color: #fff;
}
.hero__accent {
    background: linear-gradient(135deg, #ffb74d, var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__subtitle {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}
.hero__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero__scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease-in-out infinite;
    color: rgba(255,255,255,0.5);
    opacity: 0.5;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ─── Buttons ───────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}
.btn--primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(21,101,192,0.3);
}
.btn--primary:hover {
    background: #1255a1;
    box-shadow: 0 6px 20px rgba(21,101,192,0.4);
    transform: translateY(-2px);
}
.btn--outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}
.btn--outline:hover {
    border-color: var(--color-text-secondary);
    background: var(--color-surface);
    transform: translateY(-2px);
}
.hero .btn--outline {
    color: rgba(255,255,255,0.9);
    border-color: rgba(255,255,255,0.3);
}
.hero .btn--outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}
.btn .material-icons-outlined { font-size: 1.125rem; }

/* ─── Sections ──────────────────────────────────── */
.section {
    padding: 100px 0;
}
.section--dark {
    background: var(--color-surface-dark);
    color: var(--color-text-light);
}
.section__header {
    text-align: center;
    margin-bottom: 56px;
}
.section__label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 12px;
}
.section--dark .section__label { color: var(--color-accent); }
.section__title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}
.section__desc {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto;
}
.section--dark .section__desc { color: var(--color-text-light-secondary); }
.section--muted { background: #f3f4f8; }

/* ─── Product Showcase ──────────────────────────── */
.products-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}
.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: block;
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}
.product-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.product-card__header .material-icons-outlined {
    font-size: 2rem;
}
.product-card__header .product-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: contain;
}
.product-card__header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}
.product-card__header--orange { color: #e65100; }
.product-card__header--green { color: #2e7d32; }
.product-card__desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}
.product-card__links {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.product-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
}
.product-card__link .material-icons-outlined { font-size: 1rem; }
.tech-strip {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}
.tech-strip__label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
    white-space: nowrap;
}
.tech-strip__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.tech-strip__tags li {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 100px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    list-style: none;
}

/* ─── Services Grid ─────────────────────────────── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.card__icon .material-icons-outlined { font-size: 1.5rem; }
.card__icon--blue   { background: #e3f2fd; color: #1565c0; }
.card__icon--amber  { background: #fff3e0; color: #f57c00; }
.card__icon--green  { background: #e8f5e9; color: #2e7d32; }
.card__icon--purple { background: #f3e5f5; color: #7b1fa2; }
.card__icon--red    { background: #fce4ec; color: #c62828; }
.card__icon--teal   { background: #e0f2f1; color: #00695c; }
.card__title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.card__text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}
.card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.card__tags li {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 100px;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* ─── Pricing Grid ─────────────────────────────── */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.pricing-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.pricing-card--featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-sm);
}
.pricing-card__title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.pricing-card__price {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--color-text);
}
.pricing-card__text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}
.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

/* ─── About ─────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.about__text p {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-text-light-secondary);
    margin-bottom: 16px;
}
.about__text strong { color: var(--color-text-light); }
.about__stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 28px;
}
.stat {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
}
.stat__icon {
    color: var(--color-primary);
    font-size: 1.25rem;
    opacity: 0.8;
}
.stat__label {
    font-size: 0.75rem;
    color: var(--color-text-light-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}
.stat__value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-light);
}
.about__values {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.value {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.value > .material-icons-outlined {
    flex-shrink: 0;
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-top: 2px;
}
.value h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text-light);
}
.value p {
    font-size: 0.9rem;
    color: var(--color-text-light-secondary);
    line-height: 1.6;
}

/* ─── Contact ───────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.contact-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.contact-card > .material-icons-outlined {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}
.contact-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.contact-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ─── Contact — ensure enough scroll room ───────── */
#contact {
    padding-bottom: 140px;
}

/* ─── Footer ────────────────────────────────────── */
.footer {
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
}
.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.footer__brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}
.footer__brand svg { color: var(--color-primary); }
.footer__copy {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* ─── Scroll Animations ─────────────────────────── */
.card, .contact-card, .about__text, .about__values, .value,
.product-card, .tech-strip, .pricing-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.card.visible, .contact-card.visible, .about__text.visible,
.about__values.visible, .value.visible,
.product-card.visible, .tech-strip.visible, .pricing-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Responsive ────────────────────────────────── */
@media (max-width: 900px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .products-showcase { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .nav__links { display: none; }
    .nav__menu { display: block; }
    .services-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .products-showcase { grid-template-columns: 1fr; }
    .hero { min-height: auto; padding-top: calc(var(--nav-height) + 60px); padding-bottom: 60px; }
    .hero__title { font-size: 2rem; }
    .hero__subtitle { font-size: 1rem; }
    .hero__scroll { display: none; }
    .section { padding: 64px 0; }
    .footer__inner { flex-direction: column; gap: 8px; text-align: center; }
}

/* ─── 404 Page ─────────────────────────────────── */
.section--404 { padding: 160px 0 120px; }
.error-page { text-align: center; max-width: 480px; margin: 0 auto; }
.error-page__icon { font-size: 64px; color: var(--color-text-secondary); margin-bottom: 16px; }
.error-page__title { font-size: 96px; font-weight: 700; color: var(--color-primary); line-height: 1; margin-bottom: 16px; }
.error-page__text { font-size: 1.125rem; color: var(--color-text-secondary); margin-bottom: 32px; }

/* ─── Blog Hero ────────────────────────────────── */
.blog-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + 48px) 24px 56px;
    overflow: hidden;
    text-align: center;
}
.blog-hero__bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom, rgba(10,12,20,0.75) 0%, rgba(10,12,20,0.6) 50%, rgba(10,12,20,0.85) 100%),
        url('assets/blog-hero.jpg') center center / cover no-repeat;
}
.blog-hero__content {
    position: relative;
    max-width: 600px;
}
.blog-hero .section__label { color: var(--color-accent); }
.blog-hero__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 12px;
}
.blog-hero__desc {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
}

/* ─── Blog List ────────────────────────────────── */
.blog-section { padding-top: 64px; padding-bottom: 100px; }
.blog-layout {
    display: grid;
    grid-template-columns: 1fr 240px;
    gap: 48px;
    align-items: start;
}
.blog-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}
/* ─── Blog Sidebar ────────────────────────────── */
.blog-sidebar {
    position: sticky;
    top: calc(var(--nav-height) + 32px);
}
.tag-cloud {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.tag-cloud__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}
.tag-cloud__title .material-icons-outlined {
    font-size: 18px;
}
.tag-cloud__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-cloud__tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: #f3f4f8;
    border-radius: 100px;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}
.tag-cloud__tag:hover {
    background: var(--color-primary);
    color: #fff;
}
.tag-cloud__tag:hover .tag-cloud__count {
    background: rgba(255,255,255,0.25);
    color: #fff;
}
.tag-cloud__count {
    font-size: 0.6875rem;
    font-weight: 600;
    background: #e0e1e6;
    color: var(--color-text-secondary);
    border-radius: 100px;
    padding: 1px 7px;
    transition: background 0.15s, color 0.15s;
}
.blog-card {
    display: flex;
    flex-direction: row;
    text-decoration: none;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}
.blog-card__cover {
    flex-shrink: 0;
    width: 280px;
}
.blog-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.blog-card__body {
    display: flex;
    flex-direction: column;
    padding: 28px;
}
.blog-card__meta {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}
.blog-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 10px;
    color: var(--color-text);
}
.blog-card__text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}
.blog-card__read-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: auto;
    padding-top: 8px;
}
.blog-card__read-more .material-icons-outlined { font-size: 1rem; }

/* ─── Blog Post ────────────────────────────────── */
.post { padding-top: calc(var(--nav-height) + 48px); }
.post__header { margin-bottom: 32px; }
.post__cover {
    margin-bottom: 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.post__cover img {
    width: 100%;
    height: auto;
    display: block;
}
.post__back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 24px;
}
.post__back .material-icons-outlined { font-size: 1.125rem; }
.post__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}
.post__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}
.post__reading-time {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.post__reading-time .material-icons-outlined { font-size: 16px; }
.post__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.post__tag {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 100px;
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* ─── Post Body Layout ─────────────────────────── */
.post__body {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: 48px;
    align-items: start;
}

/* ─── Post Sidebar ─────────────────────────────── */
.post__sidebar {
    position: sticky;
    top: calc(var(--nav-height) + 32px);
}
.share-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
}
.share-box__label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}
.share-box__buttons {
    display: flex;
    gap: 8px;
}
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.share-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.share-btn--linkedin:hover { color: #0A66C2; border-color: #0A66C2; }
.share-btn--x:hover { color: #000; border-color: #000; }
.share-btn--copy .material-icons-outlined { font-size: 1.25rem; }
.share-btn--copy.copied { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ─── Post Content Typography ──────────────────── */
.post__content {
    min-width: 0;
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text);
}
.post__content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-top: 48px;
    margin-bottom: 16px;
}
.post__content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 36px;
    margin-bottom: 12px;
}
.post__content p {
    margin-bottom: 20px;
}
.post__content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.post__content a:hover {
    color: #1255a1;
}
.post__content ul, .post__content ol {
    margin-bottom: 20px;
    padding-left: 24px;
    list-style: disc;
}
.post__content ol { list-style: decimal; }
.post__content li {
    margin-bottom: 8px;
    line-height: 1.7;
}
.post__content strong {
    font-weight: 600;
}
.post__content blockquote {
    border-left: 3px solid var(--color-primary);
    padding: 12px 20px;
    margin: 24px 0;
    background: var(--color-primary-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--color-text-secondary);
}
/* ── Enhanced code blocks ─────────────────────── */
.code-block {
    border-radius: 12px;
    overflow: hidden;
    margin: 24px 0;
    background: #272822;
}
.code-block__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: #1e1f1b;
    border-bottom: 1px solid #3e3f3a;
}
.code-block__lang {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: #a8a8a2;
    letter-spacing: 0.5px;
}
.code-block__copy {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: #a8a8a2;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.code-block__copy .material-icons-outlined {
    font-size: 16px;
}
.code-block__copy:hover {
    background: #3e3f3a;
    color: #f8f8f2;
}
.code-block pre {
    margin: 0;
    padding: 20px 24px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    border-radius: 0;
}
/* Fallback for code blocks not wrapped by render hook */
.post__content > .highlight > pre,
.post__content > pre {
    border-radius: var(--radius-md);
    padding: 24px;
    overflow-x: auto;
    margin: 24px 0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}
.post__content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
}
.post__content :not(pre) > code {
    background: #f0f1f5;
    padding: 2px 6px;
    border-radius: 4px;
    color: #c62828;
}
.post__content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.9375rem;
}
.post__content th, .post__content td {
    text-align: left;
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border);
}
.post__content th {
    font-weight: 600;
    background: #f3f4f8;
}
.post__content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 48px 0;
}
.post__content em {
    font-style: italic;
}
.post__footer {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

/* ─── Related Posts ────────────────────────────── */
.post-related {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}
.post-related__title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 32px;
}

@media (max-width: 900px) {
    .post__body { grid-template-columns: 1fr; gap: 0; }
    .post__sidebar { position: static; margin-bottom: 32px; order: -1; }
    .share-box { display: flex; align-items: center; gap: 16px; }
    .share-box__label { margin-bottom: 0; }
}
@media (max-width: 768px) {
    .blog-hero { padding: calc(var(--nav-height) + 32px) 20px 40px; }
    .blog-hero__title { font-size: 1.75rem; }
    .blog-layout { grid-template-columns: 1fr; gap: 32px; }
    .blog-sidebar { position: static; }
    .tag-cloud__list { gap: 6px; }
    .blog-card { flex-direction: column; }
    .blog-card__cover { width: 100%; height: 200px; }
    .blog-card__body { padding: 20px; }
}
@media (max-width: 640px) {
    .post__content { font-size: 1rem; }
    .post__content pre, .code-block pre { padding: 16px; font-size: 0.8125rem; }
    .code-block { border-radius: 8px; }
    .post__cover { border-radius: var(--radius-md); }
}