/* ============================================
   NRTech Consulting — Modern Site Styles
   Colors derived from logo: Cyan/Teal + Purple
   Design inspired by kassowrobots.com
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-primary: #00C4D4;
    --color-primary-dark: #00A8B8;
    --color-primary-light: #1CE0ED;
    --color-accent: #7B4FD4;
    --color-accent-dark: #6A3DBF;
    --color-dark: #0B1120;
    --color-dark-2: #111827;
    --color-dark-3: #1A2332;
    --color-gray-900: #1F2937;
    --color-gray-800: #374151;
    --color-gray-700: #4B5563;
    --color-gray-600: #6B7280;
    --color-gray-500: #9CA3AF;
    --color-gray-400: #D1D5DB;
    --color-gray-300: #E5E7EB;
    --color-gray-200: #F3F4F6;
    --color-gray-100: #F9FAFB;
    --color-white: #FFFFFF;

    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-2) 100%);
    --gradient-text: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --fs-display: clamp(2.8rem, 5vw + 1rem, 5.5rem);
    --fs-h1: clamp(2.2rem, 4vw + 0.5rem, 4rem);
    --fs-h2: clamp(1.8rem, 3vw + 0.5rem, 3rem);
    --fs-h3: clamp(1.2rem, 1.5vw + 0.5rem, 1.5rem);
    --fs-body: clamp(1rem, 0.5vw + 0.85rem, 1.125rem);
    --fs-small: 0.875rem;
    --fs-xs: 0.75rem;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    --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 -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 30px rgba(12, 184, 182, 0.15);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    --header-height: 80px;
    --container-max: 1280px;
    --container-narrow: 800px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--fs-body);
    line-height: 1.7;
    color: var(--color-gray-800);
    background: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-dark);
}

.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: var(--fs-small);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: var(--fs-xs);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: var(--fs-body);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(12, 184, 182, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(12, 184, 182, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-dark);
    border-color: var(--color-gray-300);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-dark);
    border-color: transparent;
}

.btn-ghost:hover {
    color: var(--color-primary);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-dark);
    border-color: transparent;
    box-shadow: var(--shadow-lg);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    transition: all var(--transition-slow);
    background: rgba(255,255,255,0.0);
}

.site-header.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
    height: 64px;
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    z-index: 1001;
}

.logo-img {
    height: 52px;
    width: 52px;
    object-fit: contain;
    border-radius: 50%;
    transition: all var(--transition-base);
}

.site-header.scrolled .logo-img {
    height: 42px;
    width: 42px;
}

.site-footer .logo-img {
    height: 60px;
    width: 60px;
    background: var(--color-white);
    padding: 2px;
}

/* Navigation */
.main-nav {
    display: flex;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    font-size: var(--fs-small);
    font-weight: 500;
    color: var(--color-gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.site-header:not(.scrolled) .nav-link {
    color: rgba(255,255,255,0.8);
}

.site-header:not(.scrolled) .nav-link:hover,
.site-header:not(.scrolled) .nav-link.active {
    color: var(--color-white);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: var(--color-dark);
}

.logo-tagline {
    font-weight: 400;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--color-gray-500);
    text-transform: uppercase;
}

.site-header:not(.scrolled) .logo-img {
    background: var(--color-white);
    padding: 2px;
}

.site-header:not(.scrolled) .logo-name {
    color: var(--color-white);
}

.site-header:not(.scrolled) .logo-tagline {
    color: rgba(255,255,255,0.6);
}

.site-footer .logo-name {
    color: var(--color-white);
}

.site-footer .logo-tagline {
    color: var(--color-gray-500);
}

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

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown a {
    display: block;
    padding: 0.625rem 1rem;
    font-size: var(--fs-small);
    color: var(--color-gray-700);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown a:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.site-header:not(.scrolled) .mobile-toggle span {
    background: var(--color-white);
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-dark);
    z-index: 0;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,196,212,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,196,212,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(0,196,212,0.1);
    border: 1px solid rgba(0,196,212,0.2);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: var(--fs-small);
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: var(--fs-display);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 1vw + 0.5rem, 1.25rem);
    color: var(--color-gray-500);
    max-width: 640px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

.hero-cta .btn-outline {
    border-color: rgba(255,255,255,0.2);
    color: var(--color-white);
}

.hero-cta .btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: var(--fs-xs);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.1);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 1;
}

.hero-scroll-indicator span {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gray-500);
    font-weight: 500;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* --- Sections --- */
.section {
    padding: var(--spacing-4xl) 0;
}

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

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

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

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

.section-header {
    text-align: center;
    max-width: var(--container-narrow);
    margin: 0 auto var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding: 0.375rem 1rem;
    background: rgba(0,196,212,0.08);
    border-radius: var(--radius-full);
}

.section-tag-light {
    background: rgba(255,255,255,0.1);
    color: var(--color-primary-light);
}

.section-title {
    font-size: var(--fs-h2);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--fs-body);
    color: var(--color-gray-600);
    line-height: 1.8;
}

.section-dark .section-subtitle {
    color: var(--color-gray-500);
}

/* --- Industries --- */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.industry-card {
    background: var(--color-dark-3);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-slow);
}

.industry-card:hover {
    border-color: rgba(0,196,212,0.2);
    transform: translateY(-4px);
}

.industry-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(0,196,212,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.industry-card:hover .industry-icon {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.industry-card h3 {
    font-size: var(--fs-h3);
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.industry-card p {
    font-size: var(--fs-small);
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* --- Services --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

.service-card:hover {
    border-color: rgba(0,196,212,0.2);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    transform: translateY(-4px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    font-size: var(--fs-h2);
    font-weight: 800;
    color: var(--color-gray-200);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.service-card:hover .service-number {
    color: rgba(0,196,212,0.15);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(0,196,212,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.service-title {
    font-size: var(--fs-h3);
    margin-bottom: var(--spacing-sm);
}

.service-desc {
    font-size: var(--fs-small);
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: var(--fs-small);
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition-base);
}

.service-link:hover {
    gap: 0.75rem;
}

/* --- About --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--color-gray-300);
}

.feature-check {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: rgba(123,79,212,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

/* About Visual */
.about-visual {
    position: relative;
    height: 450px;
}

.about-card {
    position: absolute;
    background: var(--color-dark-3);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-slow);
}

.about-card:hover {
    border-color: rgba(0,196,212,0.2);
    transform: translateY(-4px);
}

.about-card-1 {
    top: 40px;
    left: 20px;
    right: 40px;
}

.about-card-2 {
    bottom: 40px;
    left: 60px;
    right: 20px;
}

.about-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(0,196,212,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.about-card-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.about-card-label {
    font-size: var(--fs-small);
    color: var(--color-gray-500);
    line-height: 1.4;
}

.about-decoration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,196,212,0.06) 0%, transparent 70%);
    z-index: 0;
}

/* --- Why Us --- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.why-card {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
}

.why-card:hover {
    border-color: rgba(0,196,212,0.2);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.why-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: rgba(0,196,212,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin: 0 auto var(--spacing-md);
}

.why-card h3 {
    font-size: var(--fs-h3);
    margin-bottom: var(--spacing-sm);
}

.why-card p {
    font-size: var(--fs-small);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* --- Testimonials --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--color-dark-3);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-slow);
}

.testimonial-card:hover {
    border-color: rgba(0,196,212,0.15);
    transform: translateY(-4px);
}

.testimonial-stars {
    display: flex;
    gap: 2px;
    color: #F59E0B;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--fs-body);
    color: var(--color-gray-300);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: normal;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--fs-small);
    color: var(--color-white);
}

.author-name {
    display: block;
    font-weight: 600;
    font-style: normal;
    color: var(--color-white);
    font-size: var(--fs-small);
}

.author-role {
    font-size: var(--fs-xs);
    color: var(--color-gray-500);
}

/* --- Blog Preview --- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.blog-card {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
    background: var(--color-white);
}

.blog-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.blog-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--color-gray-200);
}

.blog-card-image-placeholder {
    width: 100%;
    height: 200px;
    background: var(--gradient-primary);
    opacity: 0.1;
}

.blog-card-body {
    padding: var(--spacing-lg);
}

.blog-card-tag {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.blog-card-title {
    font-size: var(--fs-h3);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.blog-card-title a:hover {
    color: var(--color-primary);
}

.blog-card-excerpt {
    font-size: var(--fs-small);
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--fs-xs);
    color: var(--color-gray-500);
}

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

/* --- Contact --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-content .section-title {
    text-align: left;
}

.contact-text {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(0,196,212,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: var(--fs-xs);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    margin-bottom: 2px;
}

.contact-value {
    font-size: var(--fs-small);
    color: var(--color-gray-300);
    font-weight: 500;
}

a.contact-value:hover {
    color: var(--color-primary-light);
}

/* Contact Form */
.contact-form-wrap {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.form-title {
    font-size: var(--fs-h3);
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-family);
    font-size: var(--fs-small);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-gray-100);
    color: var(--color-dark);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0,196,212,0.1);
    background: var(--color-white);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    cursor: pointer;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-desc {
    margin-top: var(--spacing-md);
    font-size: var(--fs-small);
    line-height: 1.8;
    color: var(--color-gray-500);
}

.footer-links h4 {
    font-size: var(--fs-small);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a,
.footer-links li {
    font-size: var(--fs-small);
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: var(--fs-xs);
    color: var(--color-gray-600);
}

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

.footer-legal a {
    color: var(--color-gray-600);
}

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

/* --- Animations --- */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate].animated {
    opacity: 1;
    transform: translate(0, 0);
}

/* --- Blog Post Page --- */
.blog-hero {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-2xl);
    background: var(--gradient-dark);
}

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

.blog-hero h1 {
    color: var(--color-white);
    font-size: var(--fs-h1);
    margin-bottom: var(--spacing-md);
}

.blog-hero .blog-meta {
    color: var(--color-gray-500);
    font-size: var(--fs-small);
    display: flex;
    gap: var(--spacing-md);
}

.blog-hero-image {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    transform: translateY(-3rem);
    margin-bottom: -1.5rem;
}

.blog-hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.blog-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

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

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

.blog-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.blog-content ul,
.blog-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.blog-content li {
    margin-bottom: var(--spacing-xs);
    list-style: disc;
    line-height: 1.7;
}

.blog-content ol li {
    list-style: decimal;
}

.blog-content blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--color-gray-600);
}

.blog-content code {
    background: var(--color-gray-100);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}

.blog-content pre {
    background: var(--color-dark);
    color: var(--color-gray-300);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

.blog-content pre code {
    background: none;
    padding: 0;
}

.blog-content img {
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
}

/* Blog listing page */
.blog-listing-hero {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-xl);
    background: var(--gradient-dark);
    text-align: center;
}

.blog-listing-hero h1 {
    color: var(--color-white);
    font-size: var(--fs-h1);
    margin-bottom: var(--spacing-sm);
}

.blog-listing-hero p {
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.blog-listing {
    padding: var(--spacing-3xl) 0;
}

.blog-listing .blog-grid {
    margin-bottom: var(--spacing-2xl);
}

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

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

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

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: fixed;
        inset: 0;
        background: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        z-index: 1000;
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav.open .nav-link {
        color: var(--color-dark) !important;
        font-size: 1.25rem;
        padding: 0.75rem;
    }

    .main-nav.open .nav-link:hover {
        color: var(--color-primary) !important;
    }

    .nav-list {
        flex-direction: column;
        gap: 0.5rem;
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--color-gray-100);
        border-radius: var(--radius-md);
        margin-top: 0.5rem;
    }

    .mobile-toggle {
        display: flex;
    }

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

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

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

    .about-visual {
        height: 300px;
    }

    .about-card-1 {
        left: 0;
        right: 60px;
    }

    .about-card-2 {
        left: 40px;
        right: 0;
    }

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

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

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

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

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

    .contact-info-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

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

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

/* --- Utility: Page transition --- */
body {
    animation: fadeInPage 0.5s ease;
}

@keyframes fadeInPage {
    from { opacity: 0; }
    to { opacity: 1; }
}