/* ===========================================
   CSS Reset & Variables
   =========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Enhanced Colors */
    --primary-blue: #4A9FD8;
    --accent-purple: #8B5CF6;
    --accent-cyan: #06B6D4;
    --dark-navy: #1E293B;
    --light-gray: #F8FAFC;
    --white: #FFFFFF;
    --black: #0F172A;
    --gray: #64748B;
    --light-blue: #E0F2FE;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4A9FD8 0%, #06B6D4 100%);
    --gradient-accent: linear-gradient(135deg, #8B5CF6 0%, #C084FC 100%);
    --gradient-hero: linear-gradient(135deg, rgba(74, 159, 216, 0.9) 0%, rgba(139, 92, 246, 0.8) 100%);

    /* Typography */
    --font-primary: 'Cairo', sans-serif;
    --font-secondary: 'Cairo', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================================
   Navigation
   =========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(30, 41, 59, 0.3);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(74, 159, 216, 0.2);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo-container {
    background: var(--white);
    border-radius: 5px;
    padding: 8px 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
}

.logo-container:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.logo img {
    height: 60px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    position: relative;
}

.navbar.scrolled .nav-link {
    color: var(--dark-navy);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: width var(--transition-normal);
}

.navbar.scrolled .nav-link::after {
    background: var(--primary-blue);
}

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

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

.navbar.scrolled .nav-link:hover {
    color: var(--primary-blue);
}

.nav-cta {
    padding: 0.6rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--white) !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 159, 216, 0.3);
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    transition: left 0.4s ease;
    z-index: -1;
}

.nav-cta:hover::before {
    left: 0;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: all var(--transition-normal);
}

.navbar.scrolled .hamburger span {
    background: var(--dark-navy);
}

/* ===========================================
   Hero Section
   =========================================== */

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.85), rgba(74, 159, 216, 0.75));
    z-index: 1;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-image.active {
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
}

.title-line {
    display: inline-block;
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 0.8s ease forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    font-family: 'Cairo', sans-serif;
    color: var(--primary-blue);
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 1rem;
    font-family: 'Cairo', sans-serif;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

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

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(74, 159, 216, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    transition: left 0.4s ease;
    z-index: -1;
}

.btn-primary:hover::before {
    left: 0;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--white);
    transition: left 0.4s ease;
    z-index: -1;
}

.btn-secondary:hover::before {
    left: 0;
}

.btn-secondary:hover {
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 10px;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--white);
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 1;
        transform: translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateY(10px);
    }
}

/* ===========================================
   Section Styles
   =========================================== */

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--light-blue);
    color: var(--primary-blue);
    border-radius: 50px;
    font-family: 'Cairo', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--dark-navy);
    line-height: 1.2;
}

/* ===========================================
   About Section
   =========================================== */

.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text .lead {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

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

/* ===========================================
   Services Section
   =========================================== */

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

.featured-service {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    background: var(--gradient-primary);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(74, 159, 216, 0.3);
}

.featured-service-image {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.featured-service-image::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.featured-icon {
    color: var(--white);
    position: relative;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.featured-service-content {
    padding: var(--spacing-lg);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-number {
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-secondary);
    opacity: 0.3;
    line-height: 1;
}

.featured-service-content h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: var(--spacing-sm) 0;
    font-family: var(--font-secondary);
}

.featured-service-content p {
    font-size: 1.2rem;
    opacity: 0.95;
    margin-bottom: var(--spacing-md);
}

.service-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.service-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.service-item:hover {
    transform: translateX(10px);
    border-left-color: var(--primary-blue);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-item-number {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-secondary);
    color: var(--light-blue);
    line-height: 1;
    flex-shrink: 0;
}

.service-item-icon {
    color: var(--primary-blue);
    flex-shrink: 0;
}

.service-item-content h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 0.5rem;
    font-family: var(--font-secondary);
}

.service-item-content p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--primary-blue);
    transition: height var(--transition-normal);
    z-index: 0;
}

.service-card:hover::before {
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-number {
    font-family: var(--font-secondary);
    font-size: 3rem;
    font-weight: 800;
    color: var(--light-blue);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-blue);
}

.service-title {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--gray);
    font-size: 1rem;
}

/* ===========================================
   Quality Section
   =========================================== */

.quality {
    background: linear-gradient(135deg, var(--dark-navy) 0%, #1E3A5F 100%);
    position: relative;
    overflow: hidden;
}

.quality::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(74, 159, 216, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.quality .section-tag {
    background: rgba(74, 159, 216, 0.2);
    color: var(--accent-cyan);
}

.quality .section-title {
    color: var(--white);
}

.quality-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.quality-intro .lead {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.quality-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: var(--spacing-md);
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.quality-item:hover {
    background: rgba(74, 159, 216, 0.2);
    border-color: var(--accent-cyan);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.quality-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-cyan);
    transition: transform 0.3s ease;
}

.quality-item:hover .quality-icon {
    transform: scale(1.1);
}

.quality-item h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.quality-item p {
    color: rgba(255, 255, 255, 0.8);
    opacity: 1;
}

/* ===========================================
   HSE Section
   =========================================== */

.hse {
    background: linear-gradient(135deg, var(--dark-navy), var(--primary-blue));
    color: var(--white);
}

.hse .section-tag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.hse .section-title {
    color: var(--white);
}

.hse-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

.hse-intro .lead {
    font-size: 1.2rem;
    opacity: 0.95;
}

.hse-practices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.hse-practice {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-md);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.hse-practice::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transition: all 0.6s ease;
}

.hse-practice:hover::before {
    top: -25%;
    right: -25%;
    transform: scale(1.5);
}

.hse-practice:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.practice-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-cyan);
    position: relative;
    z-index: 1;
}

.hse-practice h4 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.hse-practice p {
    position: relative;
    z-index: 1;
}

.hse-commitment {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.commitment-box {
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-md);
    border-radius: 15px;
    max-width: 600px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.commitment-box h3 {
    font-family: var(--font-secondary);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

/* ===========================================
   Sustainability Section
   =========================================== */

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

.sustainability-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

.sustainability-intro .lead {
    font-size: 1.2rem;
    color: var(--gray);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.pillar-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.pillar-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pillar-number {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.pillar-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-sm);
}

.esg-commitments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.esg-card {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 2.5rem var(--spacing-md);
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.esg-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    transition: left 0.5s ease;
    z-index: 0;
}

.esg-card:hover::before {
    left: 0;
}

.esg-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(139, 92, 246, 0.4);
}

.esg-card h4 {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.esg-card p {
    position: relative;
    z-index: 1;
    font-size: 1.1rem;
}

.esg-card:nth-child(1) {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}

.esg-card:nth-child(2) {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}

.esg-card:nth-child(3) {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
}

/* ===========================================
   Projects Section
   =========================================== */

.projects {
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.empty-illustration {
    max-width: 400px;
    width: 100%;
    height: auto;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.9;
}

.empty-state h3 {
    font-family: var(--font-secondary);
    font-size: 2rem;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.undraw-illustration {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.project-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.project-card {
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card-link:hover .project-card {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(44, 62, 80, 0.95), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    color: var(--white);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

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

.project-overlay h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.project-overlay p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.view-project-btn {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.project-card-link:hover .view-project-btn {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateX(5px);
}

/* ===========================================
   Contact Section
   =========================================== */

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    transition: all var(--transition-normal);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.contact-item h4 {
    font-family: var(--font-secondary);
    font-size: 1.2rem;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--gray);
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
}

/* ===========================================
   Giant Footer with Contact
   =========================================== */

.footer {
    background: linear-gradient(135deg, #1E293B 0%, #334155 50%, #4A9FD8 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(74, 159, 216, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.footer::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-contact-section {
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-xl);
}

.footer .section-tag {
    background: rgba(74, 159, 216, 0.2);
    color: var(--accent-cyan);
}

.footer .section-title {
    color: var(--white);
}

.footer-main-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(255, 255, 255, 0.15);
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

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

.info-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.info-card p {
    opacity: 0.9;
    font-size: 0.95rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    position: relative;
    z-index: 1;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-container {
    margin-bottom: var(--spacing-md);
}

.footer-brand img {
    height: 60px;
    display: block;
}

.footer-brand p {
    opacity: 0.8;
    max-width: 400px;
}

.footer-links,
.footer-services,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-family: var(--font-secondary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-services a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.footer-links a:hover,
.footer-services a:hover {
    opacity: 1;
    color: var(--primary-blue);
    padding-left: 10px;
}

.footer-contact p {
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 159, 216, 0.4);
}

.social-links svg {
    transition: transform 0.3s ease;
}

.social-links a:hover svg {
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ===========================================
   Loading Screen
   =========================================== */

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1E293B 0%, #334155 50%, #4A9FD8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: var(--white);
}

.loading-logo {
    width: 200px;
    height: auto;
    margin-bottom: var(--spacing-lg);
    animation: fadeInDown 0.8s ease;
}

.loading-text {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    animation: fadeIn 1s ease 0.3s both;
}

.gradient-text {
    background: linear-gradient(135deg, #4A9FD8 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #4A9FD8;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

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

/* ===========================================
   Project Show Page
   =========================================== */

.project-hero {
    position: relative;
    height: 60vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 80px;
}

.project-hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.6);
}

.project-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(74, 159, 216, 0.6) 100%);
    z-index: 1;
}

.project-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    text-decoration: none;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    transition: all 0.3s ease;
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX({{ app()->getLocale() === 'ar' ? '5px' : '-5px' }});
}

.project-title {
    font-family: var(--font-secondary);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.project-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.95rem;
}

.meta-item svg {
    opacity: 0.8;
}

.status-badge {
    background: var(--gradient-accent);
    font-weight: 600;
}

.project-details {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

.project-details-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-lg);
}

.project-main-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.content-block {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.content-block h2 {
    font-family: var(--font-secondary);
    font-size: 2rem;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--primary-blue);
}

.project-description,
.project-full-details {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-gray);
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.sidebar-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.sidebar-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--light-gray);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-gray);
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 1rem;
    color: var(--dark-navy);
    font-weight: 600;
}

.cta-card {
    background: var(--gradient-primary);
    color: var(--white);
}

.cta-card h3,
.cta-card p {
    color: var(--white);
}

.cta-card p {
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.cta-card .btn {
    width: 100%;
    background: var(--white);
    color: var(--primary-blue);
}

.cta-card .btn:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}

/* ===========================================
   Responsive Design
   =========================================== */

@media (max-width: 992px) {
    .about-content,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .featured-service {
        grid-template-columns: 1fr;
    }

    .project-details-grid {
        grid-template-columns: 1fr;
    }

    .project-sidebar {
        order: -1;
    }

    .project-hero {
        margin-top: 70px;
        min-height: 400px;
    }

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

    .featured-service-content h3 {
        font-size: 2rem;
    }

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

    .service-item {
        flex-direction: column;
        text-align: center;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 300px;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-normal);
        align-items: flex-start;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translateY(8px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-8px);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
    }

    .logo-container {
        padding: 6px 10px;
    }

    .logo img {
        height: 50px;
    }

    .footer-brand img {
        height: 50px;
    }

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

    .stat-number {
        font-size: 2rem;
    }

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

    .quality-grid,
    .hse-practices,
    .pillars-grid,
    .esg-commitments {
        grid-template-columns: 1fr;
    }

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

    .contact-form-wrapper,
    .info-card {
        padding: var(--spacing-md);
    }

    .info-icon {
        width: 50px;
        height: 50px;
    }

    .info-icon svg {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

/* ===========================================
   Animations & Utilities
   =========================================== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth page load */
body {
    animation: fadeIn 0.5s ease;
}

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