/* ==========================================================================
   SYSTEMA IMPULS — STYLES
   Minimal, High-Performance Engineering Theme
   Visual Core: Typography + Grid + Space + High-Quality Cards
   ========================================================================== */

:root {
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-subtle: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-subtle: #edf2f7;

    --color-primary: #0a1120;
    --color-primary-light: #162238;
    --color-accent: #0066cc;
    --color-accent-hover: #0052a3;
    --color-accent-soft: rgba(0, 102, 204, 0.06);

    --color-text-main: #0f172a;
    --color-text-muted: #475569;
    --color-text-subtle: #64748b;
    --color-text-inverted: #ffffff;

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    --container-max-width: 1200px;
    --header-height: 72px;

    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --transition-fast: 0.16s ease;
    --transition-base: 0.24s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

/* Container & Section Grid */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

.section {
    padding-top: 88px;
    padding-bottom: 88px;
}

.section-header {
    margin-bottom: 48px;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 10px;
    font-family: var(--font-mono);
}

.section-kicker::before {
    content: "";
    width: 12px;
    height: 1px;
    background-color: var(--color-accent);
}

.section-title {
    font-size: 2.125rem;
    font-weight: 750;
    color: var(--color-primary);
    line-height: 1.25;
    letter-spacing: -0.025em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
    line-height: 1.2;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverted);
    border-color: var(--color-primary);
}

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

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    background-color: var(--color-surface-subtle);
    color: var(--color-primary);
}

.btn-outline-header {
    padding: 8px 18px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid var(--color-border);
    background-color: transparent;
    color: var(--color-primary);
    border-radius: var(--radius-sm);
}

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

.btn-card {
    display: inline-flex;
    width: 100%;
    padding: 12px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    background-color: var(--color-surface-subtle);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-align: center;
}

.btn-card:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverted);
    border-color: var(--color-primary);
}

.btn-cta {
    background-color: var(--color-accent);
    color: var(--color-text-inverted);
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
}

.btn-cta:hover {
    background-color: var(--color-accent-hover);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    max-width: var(--container-max-width);
    height: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-branding {
    display: flex;
    align-items: center;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.brand-name {
    font-size: 1.0625rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: var(--color-primary);
}

.main-navigation .nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.main-navigation .nav-menu > .menu-item {
    position: relative;
}

.main-navigation .menu-item-has-children > a::after {
    content: "▾";
    display: inline-block;
    margin-left: 7px;
    font-size: 0.7em;
    color: var(--color-text-subtle);
    transition: transform var(--transition-fast);
}

.main-navigation .menu-item-has-children:hover > a::after,
.main-navigation .menu-item-has-children:focus-within > a::after {
    transform: rotate(180deg);
}

.main-navigation .sub-menu {
    position: absolute;
    top: calc(100% + 14px);
    left: -16px;
    z-index: 20;
    min-width: 230px;
    padding: 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.main-navigation .menu-item-has-children:hover > .sub-menu,
.main-navigation .menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-navigation .sub-menu li {
    display: block;
}

.main-navigation .sub-menu a {
    display: block;
    padding: 9px 10px;
    white-space: nowrap;
    border-radius: var(--radius-xs);
}

.main-navigation .sub-menu a:hover,
.main-navigation .sub-menu a:focus {
    background: var(--color-surface-subtle);
}

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

.main-navigation .nav-menu a:hover {
    color: var(--color-accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 38px;
    height: 38px;
    padding: 9px 8px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.hamburger-bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.menu-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Hero Section */
.hero-section {
    padding-top: 80px;
    padding-bottom: 96px;
    background-color: var(--color-bg);
    background-image: radial-gradient(#cbd5e1 0.75px, transparent 0.75px);
    background-size: 24px 24px;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-tag-group {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tech-tag {
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 4px 12px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    color: var(--color-text-muted);
}

.tag-separator {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.875rem;
}

.hero-title {
    font-size: 2.875rem;
    font-weight: 800;
    line-height: 1.14;
    letter-spacing: -0.035em;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: 36px;
    max-width: 580px;
}

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

/* Hero visual */
.hero-visual {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.hero-visual-card {
    width: min(100%, 440px);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: #fff;
    border: 1px solid var(--color-border);
    box-shadow: 0 20px 40px -15px rgba(10, 17, 32, 0.15);
}

.hero-image {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}

/* Block 2: Directions */
.section-directions {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.directions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.direction-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px 28px;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.direction-card:hover {
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -8px rgba(15, 23, 42, 0.06);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.card-icon {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
}

.card-title {
    font-size: 1.375rem;
    font-weight: 750;
    color: var(--color-primary);
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.card-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    margin-bottom: 20px;
}

.card-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 14px;
    margin-bottom: 24px;
    margin-top: auto;
}

.card-list li {
    position: relative;
    padding-left: 16px;
    font-size: 0.84375rem;
    color: var(--color-text-main);
    font-weight: 500;
}

.card-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 5px;
    height: 5px;
    background-color: var(--color-accent);
    border-radius: 1px;
}

.card-footer {
    padding-top: 4px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: all var(--transition-fast);
}

.card-link svg {
    transition: transform var(--transition-fast);
}

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

.card-link:hover svg {
    transform: translateX(4px);
}

/* Block 3: Why Us (Visually Light) */
.section-why {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.why-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 32px 24px;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.why-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.why-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-accent);
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1;
}

.why-title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.35;
}

/* Block 4: Workflow (Sequential Sequence) */
.section-workflow {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.step-item {
    border-top: 2px solid var(--color-primary);
    padding-top: 24px;
    position: relative;
}

.step-item::after {
    content: "";
    position: absolute;
    top: -4px;
    left: 0;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.step-num {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 750;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.step-text {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.55;
}

/* Block 5: CTA */
.section-cta {
    background-color: var(--color-bg);
}

.cta-box {
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    padding: 64px 48px;
    color: var(--color-text-inverted);
    border: 1px solid #1e293b;
    position: relative;
    overflow: hidden;
}

.cta-inner {
    max-width: 640px;
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--color-text-inverted);
    margin-bottom: 14px;
}

.cta-text {
    font-size: 1.125rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 32px;
}

/* Internal Page Template Styles */
.page-banner {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 48px 0;
}

.breadcrumbs-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--color-text-subtle);
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

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

.breadcrumb-sep {
    color: var(--color-border);
}

.breadcrumb-current {
    color: var(--color-text-main);
    font-weight: 500;
}

.page-banner-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.page-main-wrap {
    background-color: var(--color-bg);
    min-height: 480px;
}

.page-layout-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 48px;
    align-items: start;
}

.page-content-area {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 48px 40px;
}

/* Typography styles for user-generated WordPress content */
.typography-pro h2 {
    font-size: 1.625rem;
    font-weight: 750;
    color: var(--color-primary);
    margin-top: 36px;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.typography-pro h2:first-child {
    margin-top: 0;
}

.typography-pro h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 28px;
    margin-bottom: 12px;
}

.typography-pro p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.typography-pro ul, .typography-pro ol {
    margin-bottom: 24px;
    padding-left: 20px;
}

.typography-pro ul {
    list-style: square;
}

.typography-pro ol {
    list-style: decimal;
}

.typography-pro li {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.typography-pro blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 12px 20px;
    margin: 24px 0;
    background-color: var(--color-surface-subtle);
    font-style: italic;
    color: var(--color-text-main);
}

.typography-pro table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.875rem;
}

.typography-pro th, .typography-pro td {
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    text-align: left;
}

.typography-pro th {
    background-color: var(--color-surface-subtle);
    font-weight: 700;
    color: var(--color-primary);
}

/* Sidebar on Internal Pages */
.page-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px 24px;
}

.sidebar-kicker {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

.sidebar-title {
    font-size: 1.125rem;
    font-weight: 750;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.sidebar-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    margin-bottom: 20px;
}

.btn-sidebar {
    width: 100%;
    font-size: 0.875rem;
}

.sidebar-menu li {
    margin-bottom: 10px;
}

.sidebar-menu a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    display: block;
    padding: 6px 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.sidebar-menu a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

/* Footer */
.site-footer {
    background-color: #070d18;
    color: #94a3b8;
    padding-top: 64px;
    padding-bottom: 32px;
    margin-top: auto;
    border-top: 1px solid #1e293b;
}

.footer-container {
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid #1e293b;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-brand-name {
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: #f8fafc;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: #94a3b8;
    margin-bottom: 16px;
}

.footer-location {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: #cbd5e1;
}

.footer-heading {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #f8fafc;
    margin-bottom: 18px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.875rem;
    color: #94a3b8;
}

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

.footer-contacts-list li {
    margin-bottom: 12px;
    font-size: 0.875rem;
}

.contact-label {
    display: block;
    color: #64748b;
    font-size: 0.75rem;
    margin-bottom: 2px;
}

.contact-value {
    color: #e2e8f0;
    font-weight: 500;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 28px;
    font-size: 0.8125rem;
    color: #64748b;
    flex-wrap: wrap;
    gap: 12px;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   Verified at: 1440px, 1200px, 1024px, 768px, 480px, 375px
   ========================================================================== */

/* <= 1024px */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.375rem;
    }

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

    .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .page-layout-grid {
        grid-template-columns: 1fr;
    }
}

/* <= 768px */
@media (max-width: 768px) {
    .section {
        padding-top: 56px;
        padding-bottom: 56px;
    }

    .section-title {
        font-size: 1.75rem;
    }

    /* Mobile Navigation */
    .menu-toggle {
        display: flex;
    }

    .main-navigation {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
        background-color: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 16px 24px rgba(0, 0, 0, 0.08);
        padding: 24px;
        display: none;
    }

    .main-navigation.is-open {
        display: block;
    }

    .main-navigation .nav-menu {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }

    .main-navigation .nav-menu > .menu-item {
        width: 100%;
    }

    .main-navigation .menu-item-has-children > a::after {
        float: right;
        margin-top: 3px;
    }

    .main-navigation .sub-menu {
        position: static;
        min-width: 0;
        margin: 2px 0 0 12px;
        padding: 0 0 0 12px;
        border: 0;
        border-left: 2px solid var(--color-border);
        border-radius: 0;
        box-shadow: none;
        opacity: 0;
        visibility: hidden;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: opacity var(--transition-fast), max-height var(--transition-base), visibility var(--transition-fast);
    }

    .main-navigation .menu-item-has-children.is-submenu-open > .sub-menu {
        opacity: 1;
        visibility: visible;
        max-height: 600px;
    }

    .main-navigation .sub-menu a {
        padding: 5px 0;
        font-size: 0.95rem;
        font-weight: 500;
    }

    .main-navigation .nav-menu a {
        font-size: 1.0625rem;
        font-weight: 600;
        display: block;
        width: 100%;
        padding: 6px 0;
    }

    .header-actions .btn-outline-header {
        display: none;
    }

    /* Hero */
    .hero-section {
        padding-top: 48px;
        padding-bottom: 56px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .hero-visual-card {
        width: min(100%, 520px);
    }

    /* Directions */
    .directions-grid {
        grid-template-columns: 1fr;
    }

    .direction-card {
        padding: 22px 18px;
    }

    .card-list {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    /* CTA */
    .cta-box {
        padding: 40px 24px;
    }

    .cta-title {
        font-size: 1.625rem;
    }

    /* Internal Page */
    .page-content-area {
        padding: 28px 20px;
    }

    .page-banner-title {
        font-size: 1.875rem;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* <= 480px / 375px */
@media (max-width: 480px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .hero-title {
        font-size: 1.625rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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

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

    .workflow-steps {
        grid-template-columns: 1fr;
    }

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

    .cta-box--with-form {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   SERVICES (EXPANDED) + CTA FORM + MOBILE STICKY BAR
   ========================================================================== */

/* Services section */
.section-services {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

/* Tab nav */
.services-tab-nav {
    display: flex;
    gap: 4px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin-bottom: 32px;
    width: fit-content;
}

.stab-btn {
    padding: 10px 22px;
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    background: transparent;
    border-radius: var(--radius-xs);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.stab-btn.active, .stab-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverted);
}

/* Tab panels */
.stab-panel {
    display: none;
}

.stab-panel.active {
    display: block;
}

.services-detail-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

.services-detail-title {
    font-size: 1.5rem;
    font-weight: 750;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.services-detail-desc {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: 28px;
}

.services-items-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 24px;
}

.service-item {
    display: block;
    padding: 18px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.service-item:hover,
.service-item:focus-visible {
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -18px rgba(15, 23, 42, 0.2);
    outline: none;
}

.service-item-title {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.service-item-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Services aside */
.service-sidebar-card {
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    padding: 24px;
    color: var(--color-text-inverted);
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.service-sidebar-kicker {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

.service-sidebar-list {
    margin-bottom: 24px;
}

.service-sidebar-list li {
    font-size: 0.875rem;
    color: #cbd5e1;
    padding: 7px 0;
    border-bottom: 1px solid #1e293b;
}

.service-sidebar-list li::before {
    content: "— ";
    color: var(--color-accent);
}

.btn-sidebar {
    width: 100%;
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    font-size: 0.875rem;
}

.btn-sidebar:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-text-inverted);
}

/* Why cards — add description text */
.why-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    margin-top: 8px;
}

/* CTA Box with form + contacts */
.cta-box--with-form {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 48px;
    align-items: start;
    padding: 48px 40px;
}

.cta-contacts-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cta-contact-block {
    padding: 16px;
    border: 1px solid #1e293b;
    border-radius: var(--radius-sm);
}

.cta-contact-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 4px;
    font-family: var(--font-mono);
}

.cta-contact-value {
    font-size: 1rem;
    font-weight: 600;
    color: #f1f5f9;
    display: block;
}

.cta-phone {
    font-size: 1.25rem;
    letter-spacing: 0.02em;
}

a.cta-contact-value:hover {
    color: var(--color-accent);
}

/* Contact form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #94a3b8;
    letter-spacing: 0.02em;
}

.form-input, .form-textarea {
    background-color: #111c2e;
    border: 1px solid #1e293b;
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-size: 0.9375rem;
    color: #f1f5f9;
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
    width: 100%;
}

.form-input::placeholder, .form-textarea::placeholder {
    color: #475569;
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-footer {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.form-policy {
    font-size: 0.75rem;
    color: #475569;
    line-height: 1.4;
}

/* Submit button states */
.btn-loading {
    display: none;
}

.si-loading .btn-text {
    display: none;
}

.si-loading .btn-loading {
    display: inline;
}

/* Form result message */
.form-result {
    font-size: 0.9375rem;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: none;
}

.form-result.success {
    display: block;
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.form-result.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* Mobile sticky bar */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background-color: var(--color-primary);
    border-top: 1px solid #1e293b;
}

.mobile-sticky-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
    padding: 14px 12px;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-text-inverted);
    transition: background-color var(--transition-fast);
}

.mobile-sticky-call {
    background-color: var(--color-primary);
    border-right: 1px solid #1e293b;
}

.mobile-sticky-call:hover {
    background-color: var(--color-primary-light);
    color: var(--color-text-inverted);
}

.mobile-sticky-wa {
    background-color: #25d366;
}

.mobile-sticky-wa:hover {
    background-color: #1da851;
    color: var(--color-text-inverted);
}

/* Show mobile sticky bar only on mobile */
@media (max-width: 768px) {
    .mobile-sticky-bar {
        display: flex;
    }

    /* Push footer up so it doesn't overlap with sticky bar */
    .site-footer {
        padding-bottom: calc(56px + 32px);
    }

    body {
        padding-bottom: 56px;
    }

    /* Services responsive */
    .services-tab-nav {
        flex-direction: column;
        width: 100%;
    }

    .services-detail-grid {
        grid-template-columns: 1fr;
    }

    .services-items-grid {
        grid-template-columns: 1fr;
    }

    .services-detail-aside {
        order: -1;
    }

    .service-sidebar-card {
        position: static;
    }

    /* CTA form responsive */
    .cta-box--with-form {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 28px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Service Single Page Elements */
.service-lead-text {
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.65;
    color: var(--color-primary);
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.service-cta-block {
    margin-top: 40px;
    padding: 32px;
    background-color: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-sm);
}

.service-cta-title {
    font-size: 1.25rem;
    font-weight: 750;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.service-cta-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    margin-bottom: 20px;
}

.service-cta-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}