/* ==========================================================================
   Nahjaltatweer Landing Page Styles
   ========================================================================== */

/* CSS Variables */
:root {
    --primary: #2E6794;
    --primary-dark: #1e4a6b;
    --secondary: #0079C2;
    --accent: #56B848;
    --text: #333333;
    --text-light: #666666;
    --white: #FFFFFF;
    --bg-light: #f8f9fa;
    --bg-gray: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
    border: 2px solid var(--accent);
}

.btn-primary:hover {
    background-color: #48a03d;
    border-color: #48a03d;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(86, 184, 72, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid var(--white);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background-color: var(--white);
    box-shadow: var(--shadow);
}

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

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

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--white);
    position: relative;
    padding: 5px 0;
}

.header.scrolled .nav-link {
    color: var(--text);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background-color: var(--accent);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: var(--border-radius);
}

.nav-cta:hover {
    background-color: #48a03d;
}

.nav-cta::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition);
}

.header.scrolled .nav-toggle span {
    background-color: var(--text);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(46, 103, 148, 0.9) 0%, rgba(0, 121, 194, 0.85) 100%);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    background-color: var(--white);
}

.about-intro {
    font-size: 1.2rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background-color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon svg {
    width: 30px;
    height: 30px;
    color: var(--white);
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.value-item h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.value-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-image {
    height: 200px;
    overflow: hidden;
}

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

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: 25px;
}

.service-content h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.service-content p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ==========================================================================
   Products Section
   ========================================================================== */
.products {
    background-color: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    height: 250px;
    overflow: hidden;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-content {
    padding: 25px;
    background-color: var(--white);
}

.product-content h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.product-content p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ==========================================================================
   Partners Section
   ========================================================================== */
.partners {
    background-color: var(--bg-light);
    padding: 80px 0;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    align-items: center;
}

.partner-logo {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 25px 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    transition: var(--transition);
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.partner-logo img {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
}

.partner-logo:hover img {
    transform: scale(1.05);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
}

.contact .section-title,
.contact .section-subtitle {
    color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

.contact-text h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.contact-text p,
.contact-text a {
    color: rgba(255, 255, 255, 0.8);
}

.contact-text a:hover {
    color: var(--white);
}

.contact-form-wrapper {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--bg-gray);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(46, 103, 148, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: #1a1a2e;
    color: var(--white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul li,
.footer-services ul li,
.footer-contact ul li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--accent);
}

.footer-services ul li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-contact ul li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

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

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

    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

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

    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        transform: translateY(-150%);
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-link {
        display: block;
        padding: 15px 0;
        color: var(--text);
        border-bottom: 1px solid var(--bg-gray);
    }

    .nav-cta {
        margin-top: 15px;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
    }

    /* Hero */
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    /* About */
    .about-values {
        grid-template-columns: 1fr;
    }

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

    /* Partners */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .partner-logo {
        min-height: 100px;
        padding: 20px 15px;
    }

    /* Products */
    .products-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-form-wrapper {
        padding: 30px 20px;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo {
        margin: 0 auto 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .partner-logo {
        width: 120px;
        height: 60px;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center {
    text-align: center;
}

.hidden {
    display: none;
}

/* Form Success/Error States */
.form-success {
    background-color: var(--accent);
    color: var(--white);
    padding: 15px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 20px;
}

.form-error {
    background-color: #dc3545;
    color: var(--white);
    padding: 15px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 20px;
}

/* Loading State */
.btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    margin-left: 10px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Floating Buttons (WhatsApp & Back to Top)
   ========================================================================== */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.floating-btn svg {
    width: 28px;
    height: 28px;
}

/* WhatsApp Button */
.whatsapp-btn {
    background-color: #25D366;
    color: var(--white);
}

.whatsapp-btn:hover {
    background-color: #20bd5a;
}

/* Back to Top Button */
.back-to-top {
    background-color: var(--primary);
    color: var(--white);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--primary-dark);
}

/* ==========================================================================
   Hero DNA Animation (from exnrt.com - adapted with green colors)
   ========================================================================== */
.dna-wrapper {
    position: absolute;
    top: 0;
    right: 8%;
    width: 400px;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    z-index: 0;
    opacity: 0.85;
}

.dna-material {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    transform-style: preserve-3d;
    transform: rotateZ(-20deg) scale(1.3);
}

@keyframes dnaRotate {
    0% {
        transform: rotateX(0deg);
    }
    100% {
        transform: rotateX(360deg);
    }
}

.dna {
    position: relative;
    width: 2px;
    height: 160px;
    border: 1px dotted rgba(86, 184, 72, 0.5);
    box-shadow: 0 0 12px rgba(86, 184, 72, 0.4);
    background: transparent;
    margin: 0 10px;
    animation: dnaRotate 3s linear infinite;
}

.dna::before {
    content: "";
    position: absolute;
    top: -5px;
    left: -8px;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--accent), 0 0 40px rgba(86, 184, 72, 0.5);
}

.dna::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: -8px;
    width: 16px;
    height: 16px;
    background: #2dd4bf;
    border-radius: 50%;
    box-shadow: 0 0 20px #2dd4bf, 0 0 40px rgba(45, 212, 191, 0.5);
}

.dna:nth-child(1) { animation-delay: -0.15s; }
.dna:nth-child(2) { animation-delay: -0.3s; }
.dna:nth-child(3) { animation-delay: -0.45s; }
.dna:nth-child(4) { animation-delay: -0.6s; }
.dna:nth-child(5) { animation-delay: -0.75s; }
.dna:nth-child(6) { animation-delay: -0.9s; }
.dna:nth-child(7) { animation-delay: -1.05s; }
.dna:nth-child(8) { animation-delay: -1.2s; }
.dna:nth-child(9) { animation-delay: -1.35s; }
.dna:nth-child(10) { animation-delay: -1.5s; }
.dna:nth-child(11) { animation-delay: -1.65s; }
.dna:nth-child(12) { animation-delay: -1.8s; }
.dna:nth-child(13) { animation-delay: -1.95s; }
.dna:nth-child(14) { animation-delay: -2.1s; }
.dna:nth-child(15) { animation-delay: -2.25s; }
.dna:nth-child(16) { animation-delay: -2.4s; }

/* Responsive floating buttons */
@media (max-width: 768px) {
    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }

    .floating-btn {
        width: 50px;
        height: 50px;
    }

    .floating-btn svg {
        width: 24px;
        height: 24px;
    }

    .dna-wrapper {
        display: none;
    }
}