/* ==== ENTERPRISE CSS VARIABLES ==== */
:root {
    /* Colors */
    --bg-main: #ffffff;
    --bg-surface: #f8fafc;
    --bg-surface-alt: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-darker: #020617;

    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light: #f8fafc;

    --primary: #2563eb;
    /* Trust Blue */
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary: #0f172a;
    /* Navy / Slate */
    --accent: #38bdf8;
    /* Sky Blue */
    --success: #10b981;

    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;

    /* Effects */
    --shadow-sm: 0 1px 3px 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);
    --border-light: 1px solid #e2e8f0;

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

    /* Transitions */
    --transition: all 0.25s ease-in-out;
}

/* ==== RESET & BASE ==== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--secondary);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 5%;
}

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

.mt-2 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 2rem;
}

.w-100 {
    width: 100%;
}

/* ==== TYPOGRAPHY UTIL ==== */
.section-subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 700px;
    margin-bottom: 3rem;
}

.section-header {
    margin-bottom: 4rem;
}

.section-header.text-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* ==== BUTTONS ==== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-light);
    color: var(--text-primary);
}

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

/* Navbar specific outline */
.nav-actions .btn-outline {
    border-color: var(--primary);
    color: var(--primary);
}

.nav-actions .btn-outline:hover {
    background-color: var(--primary-light);
}

/* ==== TOP BAR ==== */
.top-bar {
    background: var(--bg-darker);
    color: var(--text-muted);
    padding: 0.6rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header.scrolled .top-bar {
    display: none;
}

.top-bar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-contact {
    display: flex;
    gap: 1.5rem;
}

.top-contact span i {
    color: var(--primary);
    margin-right: 0.4rem;
}

.top-social {
    display: flex;
    gap: 1rem;
}

.top-social a {
    color: var(--text-muted);
}

.top-social a:hover {
    color: white;
}

/* ==== HEADER ==== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-main);
    border-bottom: var(--border-light);
    transition: var(--transition);
}

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

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.get-quote-btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--secondary);
}

/* ==== HERO SECTION (CORPORATE) ==== */
.hero {
    padding: 12rem 0 8rem;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.7) 100%),
        url('https://images.unsplash.com/photo-1518770660439-4636190af475?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
    position: relative;
    overflow: hidden;
    color: white;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero-content h1 span {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 10;
}

/* ==== HERO TEXT SLIDER ==== */
.hero-text-slider {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

.hero-slide {
    grid-column: 1;
    grid-row: 1;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    visibility: hidden;
}

.hero-slide.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
}

.hero .btn-outline {
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

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

/* ==== HERO ANIMATIONS ==== */
.anim-window {
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    padding: 1.5rem;
    position: relative;
    animation: float-y 6s ease-in-out infinite;
}

.anim-window-header {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

.anim-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.anim-dot.r {
    background: #ef4444;
}

.anim-dot.y {
    background: #f59e0b;
}

.anim-dot.g {
    background: #10b981;
}

.anim-code-line {
    height: 12px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 15px;
    position: relative;
    overflow: hidden;
    width: 100%;
}

.anim-code-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--accent);
    border-radius: 6px;
    animation: typing 4s ease-in-out infinite alternate;
}

.anim-code-line:nth-child(2)::after {
    background: var(--primary);
    animation-delay: -1s;
    width: 75%;
}

.anim-code-line:nth-child(3)::after {
    background: var(--success);
    animation-delay: -2s;
    width: 50%;
}

.anim-code-line:nth-child(4)::after {
    background: rgba(255, 255, 255, 0.8);
    animation-delay: -3s;
    width: 85%;
}

.anim-element-1 {
    position: absolute;
    top: -40px;
    left: -40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    width: 100px;
    height: 100px;
    border-radius: 24px;
    opacity: 0.6;
    z-index: -1;
    animation: spin-slow 20s linear infinite;
}

.anim-element-2 {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: rgba(15, 23, 42, 0.4);
    border: 2px solid var(--success);
    width: 110px;
    height: 110px;
    border-radius: 50%;
    backdrop-filter: blur(8px);
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
    font-size: 2.5rem;
    animation: float-reverse 7s ease-in-out infinite;
}

@keyframes float-y {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes float-reverse {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(20px);
    }
}

@keyframes spin-slow {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes typing {
    0% {
        width: 0%;
    }

    100% {
        width: 100%;
    }
}

/* Trust Banner */
.trust-banner {
    padding: 3rem 0;
    border-top: var(--border-light);
    border-bottom: var(--border-light);
    background: var(--bg-main);
}

.trust-banner p {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2rem;
}

.logo-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    opacity: 0.6;
    filter: grayscale(100%);
}

.logo-grid i {
    font-size: 2.5rem;
}

/* ==== EXPERTISE / SERVICES ==== */
.services {
    padding: 6rem 0;
    background-color: var(--bg-surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    box-shadow: 0 20px 40px -10px rgba(37, 99, 235, 0.15);
    border-color: transparent;
    transform: translateY(-5px);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.service-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link i {
    transition: transform 0.2s;
}

.service-link:hover i {
    transform: translateX(5px);
}

/* ==== ABOUT / ENTERPRISE INFO ==== */
.about {
    padding: 7rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-box {
    background: var(--bg-surface);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-box::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--success), var(--accent));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -5px rgba(16, 185, 129, 0.1);
}

.stat-box:hover::after {
    transform: scaleX(1);
}

.stat-box h3 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-box p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==== INDUSTRIES GRID ==== */
.industries {
    padding: 6rem 0;
    background: var(--bg-dark);
    color: var(--text-light);
}

.industries .section-title {
    color: var(--bg-main);
}

.industries .section-description {
    color: var(--text-muted);
}

.ind-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.ind-item {
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
}

.ind-item i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.ind-item h4 {
    color: white;
    margin-bottom: 0.5rem;
}

/* ==== TECH STACK ==== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.tech-category h3 {
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
    border-bottom: 2px solid var(--border-light);
    padding-bottom: 0.75rem;
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.75rem 1.25rem;
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateX(5px);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.tech-item i {
    font-size: 1.5rem;
    width: 24px;
    text-align: center;
}

/* ==== CTA MATURE ==== */
.cta {
    padding: 6rem 0;
    background: var(--primary);
    text-align: center;
    color: white;
}

.cta h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

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

.cta .btn-secondary:hover {
    background: var(--bg-surface);
    transform: translateY(-2px);
}

/* ==== FORMS & CONTACT ==== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.office-loc {
    border: var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.office-loc h4 {
    margin-bottom: 0.5rem;
}

.office-loc p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--secondary);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: var(--border-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ==== FOOTER ==== */
.footer {
    background: var(--bg-darker);
    color: var(--text-muted);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: white;
}

.footer-brand p {
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

.footer h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer ul li {
    margin-bottom: 0.75rem;
}

.footer ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.25rem;
    color: var(--text-muted);
}

.social-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

/* ==== SHARED PAGE HEADER ==== */
.page-header {
    padding: 11rem 0 7rem;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(37, 99, 235, 0.8) 100%),
        url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
    text-align: center;
    position: relative;
    color: white;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--success));
}

.page-header h1 {
    font-size: 3.5rem;
    color: white;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-header p {
    font-size: 1.25rem;
    color: #e2e8f0;
    max-width: 650px;
    margin: 1.5rem auto 0;
}

/* Portfolio / Case Studies */
.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    padding: 5rem 0;
}

.case-card {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-main);
    transition: var(--transition);
    position: relative;
}

.case-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.case-card:hover {
    box-shadow: 0 20px 40px -10px rgba(37, 99, 235, 0.15);
    transform: translateY(-5px);
}

.case-card:hover::after {
    transform: scaleX(1);
}

.case-img {
    height: 300px;
    background: var(--bg-surface-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--border-light);
}

.case-content {
    padding: 2rem;
}

.case-tag {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}

/* RESPONSIVE */
@media (min-width: 769px) {
    .nav-links {
        display: flex !important;
        flex-direction: row !important;
        position: static !important;
        background: transparent !important;
        padding: 0 !important;
        border: none !important;
        width: auto !important;
    }
}

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

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-actions {
        display: block;
    }

    .mobile-menu-btn {
        display: block;
    }

    .top-bar {
        display: none !important;
    }

    .get-quote-btn {
        display: none !important;
    }

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

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

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

    .hero-content h1 {
        font-size: 2.5rem;
    }
}

/* ==== TECH STACK ==== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: 1fr !important;
    }
}

.tech-category {
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.tech-category:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    border-color: var(--primary);
}

.tech-category h3 {
    font-size: 1.15rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 0.75rem;
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.tech-item i {
    font-size: 1.25rem;
    color: var(--primary);
    width: 20px;
    text-align: center;
    transition: var(--transition);
}

.tech-item:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    transform: translateX(4px);
}

.tech-item:hover i {
    transform: scale(1.1);
}