/* ===========================
   Global Styles & Reset
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #0066CC;
    --secondary-blue: #4A90E2;
    --accent-cyan: #00A8CC;
    --accent-orange: #FF9500;
    --light-bg: #FFFFFF;
    --light-gray: #F5F7FA;
    --medium-gray: #E1E8ED;
    --text-dark: #2C3E50;
    --text-medium: #5A6C7D;
    --text-light: #8492A6;
    --border-color: #D1D9E0;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--light-bg);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 {
    font-size: 2.75rem;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 2.25rem;
    letter-spacing: -0.3px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-medium);
}

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

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

/* ===========================
   Container & Layout
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
    position: relative;
    background: var(--light-bg);
}

.bg-light {
    background: var(--light-gray);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 35px;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    background: var(--light-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-menu a {
    color: var(--text-medium);
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 6px;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-blue);
    background: rgba(0, 102, 204, 0.08);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--primary-blue);
    transition: var(--transition);
    border-radius: 2px;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-bg);
    overflow: hidden;
}

.hero-small {
    min-height: 450px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.85), rgba(74, 144, 226, 0.75));
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    padding: 60px 30px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: var(--light-bg);
}

.hero p {
    font-size: 1.35rem;
    margin-bottom: 35px;
    color: var(--light-bg);
    opacity: 0.95;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 16px 40px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1.05rem;
}

.btn-primary {
    background: var(--accent-orange);
    color: var(--light-bg);
}

.btn-primary:hover {
    background: #E68600;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 149, 0, 0.3);
}

.btn-link {
    color: var(--primary-blue);
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-link:hover {
    color: var(--secondary-blue);
    transform: translateX(5px);
}

/* ===========================
   Typography & Content
   =========================== */
.section-title {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 60px;
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 2px;
}

.content-center {
    text-align: center;
    max-width: 850px;
    margin: 0 auto;
}

.lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-medium);
}

.image-center {
    margin: 50px auto;
    max-width: 700px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* ===========================
   Cards
   =========================== */
.value-card,
.service-card,
.impact-card,
.mission-vision-card {
    background: var(--light-bg);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border-color);
}

.value-card:hover,
.service-card:hover,
.impact-card:hover,
.mission-vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.15);
}

.icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
}

.icon-large {
    width: 110px;
    height: 110px;
    margin: 0 auto 25px;
}

.icon img,
.icon-large img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-image {
    width: 100%;
    height: 280px;
    margin-bottom: 25px;
    overflow: hidden;
    border-radius: 10px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.value-card h3,
.service-card h3,
.impact-card h3,
.mission-vision-card h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
}

.value-card p,
.service-card p,
.impact-card p,
.mission-vision-card p {
    color: var(--text-medium);
}

/* ===========================
   Service Details
   =========================== */
.service-detail {
    margin-bottom: 70px;
    padding: 50px;
    background: var(--light-bg);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary-blue);
}

.service-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 15px;
    opacity: 0.2;
}

.service-detail h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
}

.service-detail p {
    color: var(--text-medium);
}

.keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 25px;
}

.keyword {
    background: var(--light-gray);
    color: var(--primary-blue);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.keyword:hover {
    background: rgba(0, 102, 204, 0.1);
}

.grid-2.reverse {
    direction: rtl;
}

.grid-2.reverse > * {
    direction: ltr;
}

/* ===========================
   Contact Section
   =========================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 70px;
    margin-top: 60px;
}

.contact-info {
    background: var(--light-gray);
    padding: 45px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-info h3 {
    color: var(--text-dark);
    margin-bottom: 35px;
    font-size: 1.75rem;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 35px;
    align-items: flex-start;
}

.contact-icon {
    width: 55px;
    height: 55px;
    background: var(--primary-blue);
    color: var(--light-bg);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--text-dark);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.contact-details p {
    margin: 0;
    color: var(--text-medium);
}

.contact-image {
    margin-top: 35px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.contact-form-wrapper {
    background: var(--light-bg);
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.contact-form-wrapper h3 {
    color: var(--text-dark);
    margin-bottom: 35px;
    font-size: 1.75rem;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light-bg);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #dc3545;
}

.error-message {
    display: none;
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 8px;
}

.error-message.show {
    display: block;
}

.success-message {
    display: none;
    background: #d4edda;
    color: #155724;
    padding: 18px;
    border-radius: 8px;
    margin-top: 25px;
    border: 1px solid #c3e6cb;
}

.success-message.show {
    display: block;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--light-bg);
    text-align: center;
}

.cta-content h2 {
    color: var(--light-bg);
    margin-bottom: 25px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 35px;
    color: var(--light-bg);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--text-dark);
    color: var(--light-bg);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h3,
.footer-section h4 {
    color: var(--accent-orange);
    margin-bottom: 25px;
}

.footer-section p {
    margin-bottom: 12px;
    color: var(--light-bg);
    opacity: 0.9;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--light-bg);
    opacity: 0.9;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--accent-orange);
}

.footer-bottom {
    text-align: center;
    padding-top: 35px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    margin: 0;
    opacity: 0.8;
    color: var(--light-bg);
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

/* ===========================
   Company Intro Section
   =========================== */
.company-intro {
    background: var(--light-bg);
}

/* ===========================
   Core Values Section
   =========================== */
.core-values {
    background: var(--light-gray);
}

/* ===========================
   Services Overview Section
   =========================== */
.services-overview {
    background: var(--light-bg);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 992px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    h1 {
        font-size: 2.25rem;
    }

    .hero h1 {
        font-size: 2.75rem;
    }

    .section {
        padding: 70px 0;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 75px;
        flex-direction: column;
        background: var(--light-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        padding: 30px 0;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-6px, 7px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-6px, -7px);
    }

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

    .grid-2.reverse {
        direction: ltr;
    }

    .hero {
        min-height: 500px;
    }

    .hero-small {
        min-height: 380px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero p {
        font-size: 1.15rem;
    }

    .section {
        padding: 60px 0;
    }

    .service-detail {
        padding: 35px 25px;
    }

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

    .contact-info,
    .contact-form-wrapper {
        padding: 35px;
    }

    .logo-text {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.85rem;
    }

    h2 {
        font-size: 1.65rem;
    }

    .hero h1 {
        font-size: 1.95rem;
    }

    .btn {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .logo-text {
        display: none;
    }
}