/* ==========================================================================
   ATUMTRADE Corporate Website Styling
   ========================================================================== */

/* 1. DESIGN SYSTEM & VARIABLES */
:root {
    /* Color Palette */
    --color-primary: #0A2540;       /* Deep Navy */
    --color-primary-light: #153a5f; /* Light Deep Navy */
    --color-secondary: #D4AF37;     /* Gold */
    --color-secondary-hover: #bda230; /* Darker Gold */
    --color-white: #FFFFFF;
    --color-surface: #F6F9FC;       /* Off-White / Light Gray */
    --color-text: #1A1A2E;          /* Dark Slate Gray */
    --color-text-muted: #666680;    /* Muted Slate */
    --color-success: #00C853;       /* Vibrant Green */
    --color-warning: #FF6D00;       /* Warning Orange */
    --color-border: #E2E8F0;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(10, 37, 64, 0.05);
    --shadow-md: 0 8px 16px rgba(10, 37, 64, 0.08);
    --shadow-lg: 0 16px 32px rgba(10, 37, 64, 0.12);
    --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.4);
    
    /* Max Widths */
    --container-width: 1200px;
}

/* RTL Helpers / Logical Properties Fallbacks */
html[dir="rtl"] {
    --arrow-transform: rotate(180deg);
}

/* 2. BASE STYLES */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.25;
}

h1 { font-size: 3rem; }   /* 48px */
h2 { font-size: 2.25rem; } /* 36px */
h3 { font-size: 1.5rem; }  /* 24px */

p {
    font-size: 1rem;
    color: var(--color-text-muted);
}

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

ul {
    list-style: none;
}

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

/* Common Layout Containers */
.section-padding {
    padding: 100px 0;
}

.bg-surface {
    background-color: var(--color-surface);
}

.section-container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

/* Section Header Typography */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-tagline {
    font-family: var(--font-heading);
    font-size: 0.875rem; /* 14px */
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-secondary);
    display: block;
    margin-bottom: 12px;
}

.section-title {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 16px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-secondary);
    border-radius: var(--radius-full);
}

html[dir="rtl"] .section-title::after {
    left: 50%;
    transform: translateX(50%);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

/* 3. BUTTONS & CONTROLS */
.btn-primary {
    display: inline-block;
    background-color: var(--color-secondary);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-secondary);
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.2);
    transition: var(--transition-normal);
}

.btn-primary:hover {
    background-color: var(--color-secondary-hover);
    border-color: var(--color-secondary-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-link {
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    transition: var(--transition-fast);
}

.btn-link i {
    transition: transform var(--transition-fast);
}

.btn-link:hover {
    color: var(--color-primary);
}

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

html[dir="rtl"] .btn-link:hover i {
    transform: translateX(-5px);
}

/* 4. LOADING PRELOADER */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--color-primary);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity var(--transition-slow);
}

.preloader.fade-out {
    opacity: 0;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(212, 175, 55, 0.1);
    border-top: 3px solid var(--color-secondary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.loader-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.75rem;
    color: var(--color-white);
    letter-spacing: 1px;
}

.loader-logo span {
    color: var(--color-secondary);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 5. STICKY HEADER */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(10, 37, 64, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: var(--transition-slow);
}

/* Scroll Active State */
.main-header.sticky {
    background-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    padding: 5px 0;
}

.header-container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-slow);
}

.main-header.sticky .header-container {
    height: 70px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-white);
    letter-spacing: 1px;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.logo span {
    color: var(--color-secondary);
}

/* Navigation Menu */
.nav-links {
    display: flex;
    gap: 30px;
}

.nav-item {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    padding: 10px 0;
}

.nav-item:hover, .nav-item.active {
    color: var(--color-secondary);
}

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

.nav-item:hover::after, .nav-item.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Language Selector Dropdown */
.lang-selector {
    position: relative;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-secondary);
}

.lang-btn .arrow {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background-color: var(--color-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-normal);
    overflow: hidden;
}

html[dir="rtl"] .lang-dropdown {
    right: auto;
    left: 0;
}

.lang-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li {
    padding: 12px 20px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-dropdown li:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-secondary);
}

.lang-dropdown li.active {
    color: var(--color-secondary);
    background-color: rgba(212, 175, 55, 0.1);
}

/* Mobile Hamburger Menu */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger-menu .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-white);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

/* Hamburger active transformation */
.hamburger-menu.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

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

/* Mobile Menu Panel */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--color-primary);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-slow);
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.mobile-nav-item {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--color-white);
    transition: var(--transition-fast);
}

.mobile-nav-item:hover {
    color: var(--color-secondary);
    transform: scale(1.05);
}

/* 6. HERO SECTION & PARALLAX */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    color: var(--color-white);
}

.hero-bg-parallax {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/hero_bg.jpg');
    background-size: cover;
    background-position: center;
    z-index: 1;
    /* Simulate Parallax feeling */
    transform: scale(1.1);
    transition: transform 0.5s ease-out;
}

.hero-section:hover .hero-bg-parallax {
    transform: scale(1.05);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 37, 64, 0.95) 0%, rgba(10, 37, 64, 0.8) 100%);
    z-index: 2;
}

.hero-container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: calc(100% - 150px);
    margin-top: 100px;
}

.hero-content {
    max-width: 750px;
    align-self: flex-start;
    margin-top: auto;
    margin-bottom: auto;
}

.hero-title {
    color: var(--color-white);
    margin-bottom: 24px;
    animation: fadeSlideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    font-weight: 400;
    line-height: 1.7;
    animation: fadeSlideUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-cta-wrapper {
    animation: fadeSlideUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Animations Keyframes */
@keyframes fadeSlideUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Stats Counter Badges */
.hero-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: auto;
    padding-bottom: 20px;
}

.hero-stat-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.hero-stat-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-5px);
}

.stat-icon {
    background-color: rgba(212, 175, 55, 0.15);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
    color: var(--color-secondary);
}

.stat-number-wrapper {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--color-white);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-suffix {
    color: var(--color-secondary);
    font-size: 1.5rem;
}

.stat-number-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--color-secondary);
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

/* 7. HAKKIMIZDA SECTION */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 80px;
}

.about-intro {
    font-size: 1.25rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 24px;
}

.about-body {
    margin-bottom: 30px;
    line-height: 1.8;
}

/* About Media/Visual Block */
.about-visual-box {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    /* Create a grid-styled overlay background */
    background-image: radial-gradient(var(--color-primary-light) 1px, transparent 1px), radial-gradient(var(--color-primary-light) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    background-opacity: 0.05;
}

.visual-img-container {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background-image: url('assets/hero_bg.jpg'); /* Reuse shipping background */
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

html[dir="rtl"] .visual-img-container {
    left: 20px;
    right: 20px;
}

.visual-badge {
    position: absolute;
    bottom: 20px;
    right: -20px;
    background-color: var(--color-primary);
    border-left: 4px solid var(--color-secondary);
    padding: 20px 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    z-index: 5;
}

html[dir="rtl"] .visual-badge {
    right: auto;
    left: -20px;
    border-left: none;
    border-right: 4px solid var(--color-secondary);
}

.badge-num {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2rem;
    color: var(--color-secondary);
    line-height: 1;
}

.badge-text {
    font-size: 0.85rem;
    color: var(--color-white);
    font-weight: 600;
}

/* Why Us Component */
.why-us-wrapper {
    border-top: 1px solid var(--color-border);
    padding-top: 80px;
}

.why-us-title {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 50px;
}

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

.why-us-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: var(--transition-normal);
}

.why-us-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(10, 37, 64, 0.15);
}

.why-us-card .card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background-color: var(--color-surface);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 24px;
    transition: var(--transition-normal);
}

.why-us-card:hover .card-icon {
    background-color: var(--color-primary);
    color: var(--color-secondary);
}

.why-us-card .card-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.why-us-card .card-desc {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 8. HİZMETLERİMİZ SECTION */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    overflow: hidden;
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: rgba(10, 37, 64, 0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-lg);
    background-color: rgba(10, 37, 64, 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 28px;
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    background-color: var(--color-primary);
    color: var(--color-secondary);
}

.service-card .service-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.service-card .service-desc {
    margin-bottom: 24px;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Service Detail Sliding Panel (Accordion/Expandable) */
.service-detail-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    border-top: 0 solid var(--color-border);
    margin-top: 0;
    padding-top: 0;
}

.service-detail-panel.open {
    border-top-width: 1px;
    margin-top: 24px;
    padding-top: 24px;
}

.service-detail-panel h4 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.service-detail-panel ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-detail-panel li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    position: relative;
    padding-inline-start: 20px;
}

.service-detail-panel li::before {
    content: '\f00c'; /* FontAwesome check */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.75rem;
    color: var(--color-success);
    position: absolute;
    inset-inline-start: 0;
    top: 2px;
}

/* 9. ÇALIŞMA SÜRECİMİZ SECTION (TIMELINE) */
.timeline-container {
    position: relative;
    padding: 40px 0;
    margin-top: 20px;
}

/* Horizontal Timeline Line for Desktop */
.timeline-line {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-surface);
    z-index: 1;
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 2;
}

.timeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-marker {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background-color: var(--color-white);
    border: 4px solid var(--color-surface);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.step-num {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--color-primary);
}

.timeline-step:hover .step-marker {
    border-color: var(--color-secondary);
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

.step-content {
    padding: 0 10px;
}

.step-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.step-desc {
    font-size: 0.875rem;
    line-height: 1.6;
}

/* 10. SEKTÖRLER SECTION */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.sector-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.sector-card:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.sector-card .sector-icon {
    font-size: 2.25rem;
    color: var(--color-secondary);
    transition: var(--transition-normal);
}

.sector-card:hover .sector-icon {
    transform: scale(1.15);
}

.sector-name {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-primary);
    transition: var(--transition-normal);
}

.sector-card:hover .sector-name {
    color: var(--color-white);
}

/* 11. İLETİŞİM SECTION */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    margin-bottom: 60px;
}

/* Contact Form Card */
.contact-form-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-primary);
}

.form-group input, .form-group textarea {
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-text);
    transition: var(--transition-normal);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.05);
}

/* Validation Errors styling */
.form-group input.input-error, .form-group textarea.input-error {
    border-color: red !important;
    background-color: #fff8f8;
}

.error-msg {
    font-size: 0.75rem;
    color: red;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: var(--transition-fast);
    position: absolute;
    bottom: -18px;
    inset-inline-start: 0;
}

.error-msg.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Spinner inside button */
.btn-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(10, 37, 64, 0.2);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

.hidden {
    display: none !important;
}

/* Alerts Success/Error notifications */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 10px;
}

.alert-success {
    background-color: rgba(0, 200, 83, 0.1);
    color: var(--color-success);
    border-inline-start: 4px solid var(--color-success);
}

.alert-error {
    background-color: rgba(255, 109, 0, 0.1);
    color: var(--color-warning);
    border-inline-start: 4px solid var(--color-warning);
}

.form-submit-btn {
    align-self: flex-start;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 180px;
}

/* Contact Info Card */
.contact-info-card {
    background-color: var(--color-primary);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-md);
}

.info-title {
    color: var(--color-white);
    font-size: 1.75rem;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 12px;
}

.info-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    inset-inline-start: 0;
    width: 40px;
    height: 3px;
    background-color: var(--color-secondary);
    border-radius: var(--radius-full);
}

.info-details-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    gap: 20px;
}

.info-item .info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.15rem;
    color: var(--color-secondary);
    flex-shrink: 0;
}

.info-item .info-text h4 {
    color: var(--color-white);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.info-item .info-text p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.info-item .info-text a:hover {
    color: var(--color-secondary);
}

/* Social Circular Icons */
.social-wrapper {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-white);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.social-icon:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    transform: scale(1.1);
}

/* Google Map styling */
.map-container {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.map-container iframe {
    display: block;
}

/* 12. FOOTER STYLING */
.footer {
    background-color: #051424; /* Deeper navy dark screen */
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 80px 0 30px 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: 24px;
}

.footer-logo span {
    color: var(--color-secondary);
}

.footer-about-text {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-title {
    color: var(--color-white);
    font-size: 1.15rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    inset-inline-start: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-secondary);
}

.footer-links-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-list a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links-list a:hover {
    color: var(--color-secondary);
    padding-inline-start: 5px;
}

.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-list li {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
}

.footer-contact-list li i {
    color: var(--color-secondary);
    margin-top: 4px;
}

.footer-contact-list li a:hover {
    color: var(--color-secondary);
}

/* Footer Bottom copyright */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    text-align: center;
}

.copyright-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* 13. FLOATING BADGES (WhatsApp & Back to Top) */
/* WhatsApp Floating button */
.whatsapp-float-btn {
    position: fixed;
    bottom: 30px;
    inset-inline-end: 30px;
    width: 56px;
    height: 56px;
    background-color: #25D366;
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    z-index: 998;
    transition: var(--transition-normal);
}

.whatsapp-float-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
    background-color: #20ba59;
}

/* Back to Top button */
.back-to-top-btn {
    position: fixed;
    bottom: 100px;
    inset-inline-end: 30px;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: 1.1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
    z-index: 997;
}

.back-to-top-btn:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-color: var(--color-secondary);
    transform: translateY(-3px);
}

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

/* 14. INTERSECTION OBSERVER ANIMATIONS */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.reveal-active {
    opacity: 1;
    transform: translateY(0);
}

/* 15. RESPONSIVE MEDIA QUERIES */

/* Desktop Extra Large screen */
@media (min-width: 1400px) {
    :root {
        --container-width: 1300px;
    }
}

/* Tablet / Smaller Desktop (under 1024px) */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about-visual-box {
        max-width: 550px;
        margin: 0 auto;
    }
    
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .sectors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-col.branding {
        grid-column: span 2;
    }
}

/* Mobile Screens (under 768px) */
@media (max-width: 768px) {
    :root {
        html { font-size: 15px; }
    }
    
    h1 { font-size: 2.2rem; }
    
    .section-padding {
        padding: 70px 0;
    }
    
    /* Navigation */
    .nav-links {
        display: none;
    }
    
    .hamburger-menu {
        display: flex;
    }
    
    /* Hero stats grid collapses */
    .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .hero-stat-card {
        padding: 16px;
    }
    
    .stat-number-wrapper {
        font-size: 1.4rem;
    }
    
    /* Why us grid collapses */
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    /* Process timeline collapses to Vertical */
    .timeline-line {
        left: 30px;
        top: 0;
        width: 4px;
        height: 100%;
    }
    
    html[dir="rtl"] .timeline-line {
        left: auto;
        right: 30px;
    }
    
    .timeline-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .timeline-step {
        flex-direction: row;
        text-align: start;
        align-items: flex-start;
        gap: 20px;
    }
    
    html[dir="rtl"] .timeline-step {
        text-align: right;
    }
    
    .step-marker {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .step-content {
        padding: 0;
        margin-top: 10px;
    }
    
    /* Sectors */
    .sectors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Contact Form row collapses */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-card {
        padding: 24px;
    }
    
    .form-submit-btn {
        width: 100%;
    }
    
    /* Footer column collapses */
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-col.branding {
        grid-column: span 1;
    }
}

/* Small mobile (under 480px) */
@media (max-width: 480px) {
    h1 { font-size: 1.8rem; }
    
    .hero-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .sectors-grid {
        grid-template-columns: 1fr;
    }
    
    .visual-badge {
        right: 0px;
        padding: 15px 20px;
    }
    
    html[dir="rtl"] .visual-badge {
        left: 0px;
    }
}