/* ============================================
   VARIABLES & RESET
============================================ */
:root {
    --primary: #001988;
    --secondary: #aaaaaade;
    --accent: #000000;
    --light: #f8f9fa;
    --dark: #333;
    --gray: #6c757d;
    --whatsapp-green: #25D366;
    --whatsapp-dark-green: #128C7E;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ============================================
   TYPOGRAPHY
============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    padding-top: 100px;
}

.section-title h2 {
    font-size: 2.8rem;
    color: var(--primary);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background-color: var(--accent);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.section-title p {
    color: var(--gray);
    max-width: 700px;
    margin: 25px auto 0;
    font-size: 1.1rem;
}

/* ============================================
   BUTTONS
============================================ */
.btn {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 14px 35px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.btn:hover {
    background-color: #e67e22;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-whatsapp {
    background-color: var(--whatsapp-green);
}

.btn-whatsapp:hover {
    background-color: var(--whatsapp-dark-green);
}

/* ============================================
   HEADER & NAVIGATION
============================================ */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 55px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    text-align: left;
    line-height: 1.2;
}

.logo-text h1 {
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 0;
}

.logo-text .subtitle {
    font-size: 0.95rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 1.5px;
    margin-top: 3px;
    display: block;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s;
    padding: 8px 0;
    position: relative;
}

nav ul li a:hover {
    color: var(--accent);
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--accent);
    bottom: 0;
    left: 0;
    transition: width 0.3s;
}

nav ul li a:hover::after {
    width: 100%;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* ============================================
   HERO SECTION
============================================ */
.hero {
    position: relative;
    color: white;
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-color: var(--primary);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #0d4c68;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-weight: 700;
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

/* ============================================
   SERVICES SECTION
============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
    margin-bottom: 100px;
}

.service-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s;
    border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 18px;
    font-weight: 700;
}

.service-content p {
    color: var(--gray);
    margin-bottom: 22px;
    line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
============================================ */
.about {
    background-color: #f1f8ff;
    padding: 100px 0;
}

.about-content {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 60px;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 25px;
    font-weight: 700;
}

.about-text p {
    margin-bottom: 22px;
    color: var(--dark);
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.5s;
    margin: 0 auto;
}

.about-image:hover {
    transform: scale(1.02);
}

.about-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

/* ============================================
   CONTACT SECTION
============================================ */
.contact {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 60px;
}

.contact-info h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 30px;
    font-weight: 700;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-icon {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: white;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.contact-details h4 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 600;
}

.whatsapp-number {
    font-weight: 700;
    color: var(--whatsapp-green);
    font-size: 1.2rem;
}

.whatsapp-info {
    font-size: 0.95rem;
    color: var(--gray);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 16px;
    margin-bottom: 22px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 145, 77, 0.1);
}

.contact-form textarea {
    height: 160px;
    resize: vertical;
}

/* WhatsApp Direct */
.whatsapp-direct {
    margin-top: 35px;
    padding: 30px;
    background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark-green) 100%);
    border-radius: 12px;
    text-align: center;
    color: white;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.2);
}

.whatsapp-direct h3 {
    font-size: 1.9rem;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.whatsapp-direct p {
    margin-bottom: 22px;
    font-size: 1.15rem;
    opacity: 0.95;
    line-height: 1.6;
}

.chat-now-btn {
    background-color: white;
    color: var(--whatsapp-green);
    font-weight: 700;
    font-size: 1.15rem;
    padding: 14px 30px;
}

.chat-now-btn:hover {
    background-color: #f8f9fa;
    color: var(--whatsapp-dark-green);
}

/* ============================================
   FOOTER
============================================ */
footer {
    background: linear-gradient(135deg, var(--primary) 0%, #0d4c68 100%);
    color: white;
    padding: 70px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo-container {
    display: flex;
    flex-direction: column;
}

.footer-logo-img {
    height: 50px;
    width: auto;
    margin-bottom: 20px;
    object-fit: contain;
}

.footer-logo-text h3 {
    font-size: 1.8rem;
    color: white;
    margin-bottom: 5px;
    font-weight: 800;
    letter-spacing: 1px;
}

.footer-logo-text .subtitle {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

.footer-logo-text p {
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-whatsapp a {
    color: var(--whatsapp-green);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.footer-whatsapp a:hover {
    color: var(--whatsapp-dark-green);
}

.footer-links h4,
.footer-services h4 {
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
    color: white;
}

.footer-links h4::after,
.footer-services h4::after {
    content: '';
    position: absolute;
    width: 45px;
    height: 3px;
    background-color: var(--accent);
    bottom: 0;
    left: 0;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
    padding: 5px 0;
    display: inline-block;
}

.footer-links ul li a:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.footer-services ul {
    list-style: none;
}

.footer-services ul li {
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.8);
    padding-left: 20px;
    position: relative;
}

.footer-services ul li::before {
    content: '▸';
    color: var(--accent);
    position: absolute;
    left: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ============================================
   FLOATING WHATSAPP BUTTON
============================================ */
.whatsapp-float {
    position: fixed;
    width: 65px;
    height: 65px;
    bottom: 40px;
    right: 40px;
    background-color: var(--whatsapp-green);
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 32px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s;
}

.whatsapp-float:hover {
    background-color: var(--whatsapp-dark-green);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.whatsapp-float-text {
    position: fixed;
    bottom: 115px;
    right: 30px;
    background: white;
    padding: 10px 18px;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dark);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s;
    white-space: nowrap;
}

.whatsapp-float:hover + .whatsapp-float-text {
    opacity: 1;
}

/* ============================================
   RESPONSIVE DESIGN
============================================ */
@media (max-width: 992px) {
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .section-title h2 {
        font-size: 2.4rem;
    }
    
    .logo-img {
        height: 50px;
    }
    
    .hero-logo {
        max-width: 250px;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 25px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        border-top: 3px solid var(--accent);
    }

    nav ul.active {
        display: flex;
    }

    nav ul li {
        margin: 0;
        width: 100%;
    }

    nav ul li a {
        display: block;
        padding: 15px 0;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    nav ul li:last-child a {
        border-bottom: none;
    }

    .mobile-menu {
        display: block;
    }

    .hero {
        padding: 90px 0;
    }

    .hero h2 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.1rem;
        padding: 0 15px;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 30px;
        right: 25px;
        font-size: 28px;
    }
    
    .whatsapp-float-text {
        bottom: 95px;
        right: 15px;
    }

    .logo-img {
        height: 45px;
    }
    
    .logo-text h1 {
        font-size: 1.5rem;
    }
    
    .logo-text .subtitle {
        font-size: 0.85rem;
    }
    
    .footer-logo-img {
        height: 45px;
    }
    
    .about-content {
        gap: 40px;
    }
    
    .about-image {
        max-width: 350px;
    }
    
    .about-image img {
        height: 250px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 70px 0;
        min-height: 500px;
    }
    
    .hero h2 {
        font-size: 1.9rem;
    }
    
    .btn {
        padding: 12px 28px;
        font-size: 1rem;
    }

    .whatsapp-direct h3 {
        font-size: 1.6rem;
    }

    .logo {
        gap: 8px;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .logo-text h1 {
        font-size: 1.3rem;
    }
    
    .logo-text .subtitle {
        font-size: 0.75rem;
        letter-spacing: 1px;
    }
    
    .footer-logo-img {
        height: 40px;
    }
    
    .footer-logo-text h3 {
        font-size: 1.5rem;
    }
    
    .footer-logo-text .subtitle {
        font-size: 0.85rem;
    }
    
    .about-image {
        max-width: 300px;
    }
    
    .about-image img {
        height: 200px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}