/* ============================================
   Cid Systems Corporate Website Styles
   Enterprise, Premium, Minimal Design
   ============================================ */

/* CSS Variables */
:root {
    /* Brand Colors */
    --color-primary: #DB474D;
    --color-primary-dark: #C13D43;
    --color-neutral-dark: #111111;
    --color-trust-blue: #377DBC;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;

    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --header-height: 80px;

    /* Borders */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-width: 1px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-trust-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-neutral-dark);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--space-md);
}

.text-lead {
    font-size: 1.25rem;
    color: var(--color-gray-600);
}

.text-small {
    font-size: 0.875rem;
}

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

/* Layout */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-sm {
    padding: var(--space-2xl) 0;
}

.section-gray {
    background-color: var(--color-gray-50);
}

.section-dark {
    background-color: var(--color-neutral-dark);
    color: var(--color-gray-300);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
    color: var(--color-white);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--space-xl);
    align-items: stretch;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.order-1 {
    order: 1;
}

.order-2 {
    order: 2;
}
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-neutral-dark);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

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

.logo-img {
    display: block;
    max-height: 44px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.footer-logo-img {
    display: block;
    max-height: 40px;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-list {
    display: flex;
    /* Keep all top-level items vertically aligned in the row */
    align-items: center;
    list-style: none;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--color-gray-700);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-sm) 0;
    position: relative;
    /* OLD CODE: relied on inline anchors; Services uses inline-flex so baselines can differ */
    display: inline-flex;
    align-items: center;
    line-height: 1.2;
}

/* Underline on ::after; exclude Services toggle so chevron (child span) is not overwritten */
.nav-link:not(.nav-dropdown-toggle)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-link:not(.nav-dropdown-toggle):hover::after,
.nav-link:not(.nav-dropdown-toggle).active::after {
    width: 100%;
}

/* Services parent: underline spans full toggle row */
.nav-dropdown-toggle::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-dropdown:hover .nav-dropdown-toggle::after,
.nav-dropdown-toggle.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-neutral-dark);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

/* Single rule: flex row + positioning for underline (::after) and chevron (child span). */
.nav-dropdown-toggle {
    /* OLD CODE:
     * display: inline-flex;
     * align-items: center;
     * gap: var(--space-xs);
     * cursor: pointer;
     * position: relative;
     */
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
    position: relative;
    /* Match `.nav-link` vertical rhythm so Services aligns with other menu items */
    padding: var(--space-sm) 0;
    line-height: 1.2;
}

.nav-dropdown-label {
    line-height: inherit;
}

.nav-dropdown-chevron {
    font-size: 0.6rem;
    line-height: 1;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.nav-dropdown:hover .nav-dropdown-chevron {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% - 6px);
    left: 0;
    min-width: max(220px, 100%);
    z-index: 1100;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xs) 0 var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

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

.nav-dropdown-item {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    color: var(--color-gray-700);
    font-size: 0.9rem;
}

.nav-dropdown-item:hover {
    background-color: var(--color-gray-50);
    color: var(--color-neutral-dark);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: var(--space-lg);
    padding-left: var(--space-lg);
    border-left: 1px solid var(--color-gray-200);
}

.lang-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gray-500);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.lang-link:hover,
.lang-link.active {
    color: var(--color-neutral-dark);
    background-color: var(--color-gray-100);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-neutral-dark);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--header-height) + var(--space-4xl));
    padding-bottom: var(--space-4xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--color-neutral-dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-neutral-dark);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Cards */
.card {
    --card-padding: var(--space-xl);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--card-padding);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-icon img {
    /* OLD CODE:
     * width: auto;
     * margin: 0 auto;
     * object-fit: contain;
     * display: block;
     */
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.card-icon {
    /* OLD CODE:
     * width: 48px;
     * height: 48px;
     */
    --card-icon-box: 80px;
    width: var(--card-icon-box);
    height: var(--card-icon-box);
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
    font-size: 1.5rem;
}

/* Uploaded card icons: do not lock the icon box to 48px — CMS inline max-width / max-height control sizing */
.card-icon:has(> img) {
    /* OLD CODE:
     * width: auto;
     * height: auto;
     * min-width: 48px;
     * min-height: 48px;
     * max-width: 100%;
     */
    /* Keep uploaded-image icons inside the same square badge as emoji icons. */
    width: var(--card-icon-box);
    height: var(--card-icon-box);
    min-width: 0;
    min-height: 0;
}

/* Grid cards: stretch height and pin primary CTA link to the bottom when present */
.grid .card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-bottom: var(--card-padding);
}

.grid .card .card-text {
    flex-grow: 1;
}

.grid .card > a.btn {
    margin-top: auto;
    align-self: flex-start;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.card-text {
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

/* Feature Cards (Product Spotlight) */
.feature-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    border: 1px solid var(--color-gray-200);
}

.feature-card-primary {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(219, 71, 77, 0.03) 100%);
}

.feature-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 20px;
    margin-bottom: var(--space-md);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-gray-200);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
    margin-left: -5px;
}

.timeline-year {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.timeline-title {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.timeline-text {
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

/* Forms */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-sm);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-trust-blue);
    box-shadow: 0 0 0 3px rgba(55, 125, 188, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-checkbox input {
    margin-top: 0.25rem;
}

.form-error {
    color: var(--color-primary);
    font-size: 0.85rem;
    margin-top: var(--space-xs);
}

.form-success {
    background-color: #DCFCE7;
    color: #166534;
    padding: var(--space-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-lg);
}

/* Footer */
.footer {
    background-color: var(--color-neutral-dark);
    color: var(--color-gray-400);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.footer-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: 0.9rem;
}

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

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    font-size: 0.85rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    font-size: 0.85rem;
}

/* Page Header */
.page-header {
    padding-top: calc(var(--header-height) + var(--space-3xl));
    padding-bottom: var(--space-3xl);
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-sm);
}

/* Hero title image: avoid h1 text metrics constraining the image box */
.page-title:has(> img) {
    font-size: 0;
    line-height: 0;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-600);
    max-width: 600px;
}

/* Content Sections */
.content-section {
    padding: var(--space-3xl) 0;
}

.content-section h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.content-section h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.content-section ul,
.content-section ol {
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.content-section li {
    margin-bottom: var(--space-sm);
}

/* Utilities */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.text-primary { color: var(--color-primary); }
.text-dark { color: var(--color-neutral-dark); }
.text-muted { color: var(--color-gray-500); }

.bg-gray { background-color: var(--color-gray-50); }
.bg-dark { background-color: var(--color-neutral-dark); }

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--space-xl);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }

    .nav.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-link {
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--color-gray-100);
    }

    .nav-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: var(--space-md);
        display: none;
    }

    .nav-dropdown.active .nav-dropdown-menu {
        display: block;
    }

    .lang-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-top: var(--space-md);
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Contact form: honeypot hidden from visual users (anti-spam). */
.contact-form-honeypot {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero-actions,
    .lang-switcher {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .section {
        padding: 1rem 0;
    }
}