/* ============================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================ */
:root {
    /* Colors - Professional Navy + Blue CTA */
    --color-primary: #0F172A;
    --color-secondary: #334155;
    --color-cta: #0369A1;
    --color-cta-hover: #0284C7;
    --color-background: #F8FAFC;
    --color-text: #020617;
    --color-text-muted: #475569;
    --color-border: #E2E8F0;
    --color-white: #FFFFFF;

    /* Accent colors */
    --color-accent-1: #0EA5E9;
    --color-accent-2: #38BDF8;
    --color-success: #10B981;
    --color-warning: #F59E0B;

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Font sizes */
    --text-xs: 0.75rem;
    /* 12px */
    --text-sm: 0.875rem;
    /* 14px */
    --text-base: 1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: 1.25rem;
    /* 20px */
    --text-2xl: 1.5rem;
    /* 24px */
    --text-3xl: 1.875rem;
    /* 30px */
    --text-4xl: 2.25rem;
    /* 36px */
    --text-5xl: 3rem;
    /* 48px */
    --text-6xl: 3.75rem;
    /* 60px */

    /* Spacing */
    --spacing-xs: 0.5rem;
    /* 8px */
    --spacing-sm: 1rem;
    /* 16px */
    --spacing-md: 1.5rem;
    /* 24px */
    --spacing-lg: 2rem;
    /* 32px */
    --spacing-xl: 3rem;
    /* 48px */
    --spacing-2xl: 4rem;
    /* 64px */
    --spacing-3xl: 6rem;
    /* 96px */

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Border radius */
    --radius-sm: 0.375rem;
    /* 6px */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 0.75rem;
    /* 12px */
    --radius-xl: 1rem;
    /* 16px */

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-cta);
    margin-bottom: var(--spacing-sm);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.section-description {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-cta);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-cta-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

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

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

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

/* ============================================
   UTILITY TOP BAR
   ============================================ */
.utility-bar {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--color-white);
    font-size: var(--text-sm);
    padding: 0.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: calc(var(--z-fixed) + 1);
}

.utility-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.utility-left,
.utility-right,
.utility-center {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.utility-center {
    flex: 1;
    justify-content: center;
    max-width: 600px;
    margin: 0 var(--spacing-xl);
}

.global-search-form {
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    width: 100%;
    height: 36px;
    transition: all var(--transition-base);
    overflow: hidden;
    position: relative;
}

.global-search-form:focus-within {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.global-search-input {
    flex: 1;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: 0.875rem;
    padding: 0 40px; /* Equal padding on both sides to ensure perfect centering */
    height: 100%;
    outline: none;
    font-family: var(--font-body);
    text-align: center;
    letter-spacing: 0.01em;
}

.global-search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.global-search-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-base);
    border-radius: 50%;
}

.global-search-btn:hover {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
}

.utility-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
    cursor: pointer;
}

.utility-link:hover {
    color: var(--color-white);
}

.utility-link svg {
    width: 14px;
    height: 14px;
}

.utility-contact {
    font-weight: 600;
    color: var(--color-accent-2);
}

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

.utility-divider {
    color: rgba(255, 255, 255, 0.3);
    margin: 0 0.25rem;
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.lang-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.lang-btn:hover {
    color: var(--color-white);
}

.lang-btn.active {
    color: var(--color-white);
    font-weight: 600;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 36px;
    /* Height of utility bar */
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.nav-logo a {
    display: flex;
    align-items: center;
}

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

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

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 1.0625rem;
    font-weight: 500;
    font-family: var(--font-heading);
    color: var(--color-primary);
    padding: 0.75rem 0.25rem;
    cursor: pointer;
    transition: color var(--transition-base);
    white-space: nowrap;
    letter-spacing: -0.01em;
    text-decoration: none;
}

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

.dropdown-icon {
    transition: transform var(--transition-base);
    stroke: currentColor;
    flex-shrink: 0;
}

@media (min-width: 769px) {
    .nav-item:hover .dropdown-icon {
        transform: rotate(180deg);
    }
}

.dropdown-menu {
    display: block !important; /* Bootstrap display:none override */
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    padding: 0.75rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    z-index: 9999;
    margin-top: 0;
    pointer-events: none;
    border: 1px solid rgba(0,0,0,0.06);
}

/* Hover gap köprüsü - imleç nav-link ile menü arasındaki boşlukta kaybolmasın */
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
}

/* Desktop: hover ile dropdown aç */
@media (min-width: 769px) {
    .nav-item:hover .dropdown-menu,
    .nav-item.hovered .dropdown-menu {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
        pointer-events: auto !important;
    }
}

.dropdown-item {
    display: block;
    padding: 0.625rem 1.5rem;
    color: var(--color-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: #f8fafc;
    color: var(--color-cta);
    padding-left: 1.75rem;
}

.dropdown-item--header {
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.625rem;
    margin-bottom: 0.25rem;
}

/* ============================================
   MEGA MENU DROPDOWN
   ============================================ */
.mega-menu {
    position: relative;
}

.mega-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background-color: var(--color-white);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    min-width: 700px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
    z-index: var(--z-dropdown);
    margin-top: 0.5rem;
}

.mega-menu:hover .mega-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

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

.mega-title {
    font-size: 0.8125rem;
    /* 13px - slightly larger */
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-border);
}

.mega-link {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.mega-link:hover {
    background-color: var(--color-background);
    transform: translateX(4px);
}

.mega-link svg {
    flex-shrink: 0;
    margin-top: 0.125rem;
    color: var(--color-cta);
    transition: color var(--transition-base);
}

.mega-link:hover svg {
    color: var(--color-cta-hover);
}

.mega-link div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mega-link strong {
    font-size: 1.0625rem;
    /* 17px - larger like Seqens */
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition-base);
}

.mega-link:hover strong {
    color: var(--color-cta);
}

.mega-link span {
    font-size: 0.9375rem;
    /* 15px - slightly larger */
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Featured Card in Mega Menu */
.mega-featured {
    border-left: 2px solid var(--color-border);
    padding-left: var(--spacing-lg);
}

.mega-featured-card {
    background: linear-gradient(135deg, var(--color-background) 0%, #E0F2FE 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.mega-featured-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.featured-image {
    width: 100%;
    height: 120px;
    background: linear-gradient(135deg, var(--color-cta) 0%, var(--color-accent-1) 100%);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.mega-featured-card h5 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.375rem;
}

.mega-featured-card p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.featured-link {
    display: inline-flex;
    align-items: center;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-cta);
    transition: color var(--transition-base);
}

.featured-link:hover {
    color: var(--color-cta-hover);
}


/* ============================================
   NAVIGATION ACTIONS
   ============================================ */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-search {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background-color: transparent;
    color: var(--color-primary);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-search:hover {
    background-color: var(--color-background);
    color: var(--color-cta);
}

.btn-contact {
    padding: 0.75rem 1.75rem;
    font-weight: 600;
}

/* ============================================
   MOBILE MENU TOGGLE
   ============================================ */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-base);
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--color-cta);
    color: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(3, 105, 161, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background-color 0.2s ease;
    z-index: 9990;
}

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

.back-to-top:hover {
    background: var(--color-cta-hover);
    box-shadow: 0 6px 20px rgba(3, 105, 161, 0.5);
    transform: translateY(-2px);
}

.back-to-top svg {
    stroke: #fff;
    flex-shrink: 0;
}

/* Navbar scrolled - shadow güçlenir */
.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.10) !important;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 0;
    /* Remove margin so hero goes behind navbar */
    padding-top: 126px;
    /* Utility bar (36px) + Navbar (90px) */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Ken Burns animated image - video benzeri hareketli efekt */
.hero-img-animated {
    width: 100%;
    height: 100%;
    background-size: 110% !important;
    animation: kenBurns 18s ease-in-out infinite alternate;
}

@keyframes kenBurns {
    0%   { background-position: 30% 50%; background-size: 110%; }
    50%  { background-position: 60% 40%; background-size: 120%; }
    100% { background-position: 50% 60%; background-size: 115%; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(3, 105, 161, 0.7) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: 0 var(--spacing-lg);
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-title-line {
    display: block;
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.hero-title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.hero-title-line:nth-child(2) {
    animation-delay: 0.4s;
}

.hero-subtitle {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
    font-size: var(--text-sm);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1s forwards, bounce 2s ease-in-out 2s infinite;
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */
.solutions {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

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

.solution-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-slow);
    cursor: pointer;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.solution-media {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.solution-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

/* Resim tabanlı servis kartları için Ken Burns efekti */
.solution-img-animated {
    width: 100%;
    height: 100%;
    background-size: 110%;
    background-position: center;
    background-repeat: no-repeat;
    transition: background-size 0.8s ease;
    animation: solutionKenBurns 12s ease-in-out infinite alternate;
}

@keyframes solutionKenBurns {
    0%   { background-size: 110%; background-position: 40% 50%; }
    100% { background-size: 120%; background-position: 60% 45%; }
}

.solution-card:hover .solution-img-animated {
    background-size: 125%;
}

.solution-card:hover .solution-video {
    transform: scale(1.05);
}

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(15, 23, 42, 0.7) 100%);
}

.solution-content {
    padding: var(--spacing-lg);
}

.solution-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.solution-description {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-cta);
    transition: all var(--transition-base);
}

.solution-link:hover {
    gap: var(--spacing-sm);
    color: var(--color-cta-hover);
}

.solution-link svg {
    transition: transform var(--transition-base);
}

.solution-link:hover svg {
    transform: translateX(4px);
}

/* ============================================
   GLOBAL PRESENCE SECTION
   ============================================ */
.global-presence {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
}

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

.map-container {
    margin-top: var(--spacing-2xl);
}

.map-placeholder {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.world-map {
    width: 100%;
    height: auto;
    max-height: 400px;
}

.location-pin {
    fill: var(--color-accent-2);
    cursor: pointer;
    transition: all var(--transition-base);
    animation: pulse 2s ease-in-out infinite;
}

.location-pin:hover {
    fill: var(--color-white);
    r: 12;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.stat-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent-2);
}

.stat-label {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   R&D PLATFORM SECTION
   ============================================ */
.rd-platform {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.rd-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.rd-text {
    padding-right: var(--spacing-lg);
}

.expertise-list {
    margin: var(--spacing-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-base);
    color: var(--color-text);
}

.expertise-item svg {
    flex-shrink: 0;
    color: var(--color-success);
}

.rd-visual {
    position: relative;
}

.rd-image-placeholder {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, var(--color-cta) 0%, var(--color-accent-1) 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   SUSTAINABILITY SECTION
   ============================================ */
.sustainability {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.sustainability-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.sustainability-image-placeholder {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, var(--color-success) 0%, #34D399 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.sustainability-text {
    padding-left: var(--spacing-lg);
}

.sustainability-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.pillar {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.pillar:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.pillar-icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
}

.pillar h4 {
    font-size: var(--text-base);
    font-weight: 600;
}

/* ============================================
   NEWS SECTION
   ============================================ */
.news {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.news .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
}

.see-all-link {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-cta);
    transition: color var(--transition-base);
}

.see-all-link:hover {
    color: var(--color-cta-hover);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.news-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.news-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-cta) 100%);
}

.news-content {
    padding: var(--spacing-lg);
}

.news-date {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.news-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    line-height: 1.4;
}

.news-link {
    display: inline-flex;
    align-items: center;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-cta);
    transition: all var(--transition-base);
}

.news-link:hover {
    color: var(--color-cta-hover);
}

/* ============================================
   CAREERS CTA SECTION
   ============================================ */
.careers-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-cta) 0%, var(--color-accent-1) 100%);
    color: var(--color-white);
}

.careers-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.careers-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.careers-description {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: #0F172A;
    color: var(--color-white);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 60px;
    margin-bottom: 60px;
}

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

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-cta);
    transform: translateY(-3px);
}

.footer-title {
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-base);
    font-size: 0.9375rem;
}

.footer-links a:hover {
    color: var(--color-cta);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-decoration: none;
}

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

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* AOS Animation Classes */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease-out;
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease-out;
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px) */
@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
    }

    /* ---- Utility Bar Mobile ---- */
    .utility-bar {
        padding: 0.35rem 0;
    }

    .utility-container {
        padding: 0 1rem;
        gap: 0.5rem;
    }

    .utility-left {
        display: none;
    }

    .utility-center {
        flex: 1;
        margin: 0;
        max-width: none;
    }

    .global-search-input {
        font-size: 0.8125rem;
        padding: 0 12px;
        text-align: left;
    }

    .utility-right {
        gap: 0.5rem;
    }

    .utility-right .utility-contact {
        font-size: 0;
    }

    .utility-right .utility-contact svg {
        width: 18px;
        height: 18px;
    }

    /* ---- Navbar Mobile ---- */
    .nav-container {
        height: 64px;
        padding: 0 1rem;
    }

    .navbar {
        top: 32px;
    }

    /* ---- Mobile Menu Panel ---- */
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 96px 0 2rem;
        transform: translateX(-100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        z-index: calc(var(--z-fixed) + 2);
        box-shadow: none;
        gap: 0;
    }

    .nav-menu.active {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
    }

    /* ---- Nav Links Mobile ---- */
    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 0;
        padding: 0;
    }

    .nav-links > a.nav-link {
        display: flex;
        align-items: center;
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1.0625rem;
        font-weight: 500;
        color: var(--color-primary);
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        transition: background-color 0.15s ease, color 0.15s ease;
    }

    .nav-links > a.nav-link:hover,
    .nav-links > a.nav-link:active {
        background-color: #F1F5F9;
        color: var(--color-cta);
    }

    /* ---- Dropdown (Products) Mobile ---- */
    .nav-item {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .nav-item .nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1.0625rem;
        font-weight: 500;
        color: var(--color-primary);
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        transition: background-color 0.15s ease, color 0.15s ease;
    }

    .nav-item .nav-link:hover,
    .nav-item .nav-link:active {
        background-color: #F1F5F9;
        color: var(--color-cta);
    }

    .nav-item .dropdown-icon {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        margin-left: auto;
    }

    .nav-item.active .dropdown-icon {
        transform: rotate(180deg);
        color: var(--color-cta);
    }

    /* ---- Dropdown Menu Mobile ---- */
    .dropdown-menu {
        display: block !important;
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        box-shadow: none !important;
        border: none !important;
        border-radius: 0 !important;
        min-width: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        pointer-events: auto !important;
        background-color: #F8FAFC !important;
    }

    .nav-item.active .dropdown-menu,
    .nav-item.dropdown.active .dropdown-menu {
        max-height: 600px;
        border-top: 1px solid rgba(0, 0, 0, 0.04) !important;
    }

    .dropdown-menu .dropdown-item {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.75rem 1.5rem 0.75rem 2.25rem !important;
        font-size: 0.9375rem;
        font-weight: 400;
        color: var(--color-secondary);
        background-color: transparent !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.03);
        transition: all 0.15s ease;
        text-decoration: none;
    }

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

    .dropdown-menu .dropdown-item:hover,
    .dropdown-menu .dropdown-item:active {
        background-color: rgba(3, 105, 161, 0.06) !important;
        color: var(--color-cta);
        padding-left: 2.5rem !important;
    }

    /* ---- Nav Actions Mobile ---- */
    .nav-actions {
        width: 100%;
        padding: 1.5rem;
        margin-top: auto;
    }

    .nav-actions .btn-contact {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        padding: 0.875rem;
        font-size: 1rem;
        border-radius: var(--radius-md);
    }

    /* ---- Hamburger Toggle ---- */
    .mobile-menu-toggle {
        display: flex;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-md);
        z-index: calc(var(--z-fixed) + 3);
        transition: background-color 0.15s ease;
    }

    .mobile-menu-toggle:hover {
        background-color: rgba(0, 0, 0, 0.04);
    }

    .mobile-menu-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background-color: var(--color-primary);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transform-origin: center;
    }

    .mobile-menu-toggle.active span {
        background-color: var(--color-cta);
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(4.5px, 4.5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(4.5px, -4.5px);
    }

    /* ---- Page Sections Mobile ---- */
    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .rd-content,
    .sustainability-content {
        grid-template-columns: 1fr;
    }

    .rd-text,
    .sustainability-text {
        padding: 0;
    }

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

    .sustainability-visual {
        order: -1;
    }

    .news .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }
}

/* Mobile (375px) */
@media (max-width: 375px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .section-title {
        font-size: var(--text-3xl);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .sustainability-pillars {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }

    .hero-title {
        font-size: 4.5rem;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus states */
a:focus,
button:focus {
    outline: 2px solid var(--color-cta);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-text: #000000;
        --color-background: #FFFFFF;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    /* Uncomment to enable dark mode */
    /*
    :root {
        --color-primary: #F8FAFC;
        --color-background: #0F172A;
        --color-text: #F8FAFC;
        --color-text-muted: #CBD5E1;
    }
    */
}