/* ==========================================
   PLAN EXPO - COMPLETE STYLESHEET
   ========================================== */

/* ==========================================
   1. CSS VARIABLES & RESET
   ========================================== */
:root {
    --primary-bg: #0a1628;
    --secondary-bg: #0d1f3c;
    --tertiary-bg: #111d35;
    --cyan: #00c8ff;
    --cyan-dark: #0099cc;
    --orange: #ff4500;
    --white: #ffffff;
    --light-gray: #ccddee;
    --muted: #667788;
    --card-bg: rgba(0, 200, 255, 0.03);
    --card-border: rgba(0, 200, 255, 0.15);
    --card-border-hover: rgba(0, 200, 255, 0.5);
    --glow: rgba(0, 200, 255, 0.2);
    --font: 'Montserrat', sans-serif;
    --radius: 12px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    background-color: var(--primary-bg);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* ==========================================
   2. PRELOADER
   ========================================== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 3px;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-text {
    color: var(--white);
}

.loader-text.accent {
    color: var(--muted);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.98); }
}

/* ==========================================
   3. HEADER & NAVIGATION
   ========================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    padding: 15px 0;
    transition: var(--transition);
    background: transparent;
}

.site-header.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 45px;
    width: auto;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 5px 0;
}

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

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

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

.nav-link.cta-btn {
    background: var(--cyan);
    color: var(--primary-bg);
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 700;
}

.nav-link.cta-btn:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--glow);
}

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

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 10001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--secondary-bg);
    padding: 100px 40px;
    transition: var(--transition);
    z-index: 10000;
    border-left: 1px solid var(--card-border);
}

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

.mobile-nav-links li {
    margin-bottom: 25px;
}

.mobile-nav-links a {
    font-size: 1.1rem;
    color: var(--light-gray);
    font-weight: 500;
}

.mobile-nav-links a:hover {
    color: var(--cyan);
}

/* ==========================================
   4. HERO SECTION
   ========================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: url('../images/hero-bg.jpg') center center / cover no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(10, 22, 40, 0.7) 0%,
        rgba(10, 22, 40, 0.85) 50%,
        rgba(10, 22, 40, 0.95) 100%
    );
    z-index: 1;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(0, 200, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(0, 200, 255, 0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(0, 200, 255, 0.4), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(0, 200, 255, 0.2), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(0, 200, 255, 0.3), transparent);
    background-size: 200px 100px;
    animation: particles 20s linear infinite;
}

@keyframes particles {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    padding: 0 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    border: 1px solid var(--card-border);
    border-radius: 50px;
    margin-bottom: 30px;
    font-size: 0.8rem;
    letter-spacing: 3px;
    color: var(--cyan);
    background: rgba(0, 200, 255, 0.05);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--cyan);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 25px;
    text-transform: none;
}

.text-cyan {
    color: var(--cyan);
}

.text-orange {
    color: var(--orange);
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--light-gray);
    margin-bottom: 40px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 50px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 36px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--cyan);
    color: var(--primary-bg);
}

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px var(--glow);
}

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

.btn-outline:hover {
    background: var(--cyan);
    color: var(--primary-bg);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px var(--glow);
}

.hero-contact-info {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--muted);
}

.hero-contact-info i {
    color: var(--cyan);
    margin-right: 8px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--cyan);
    border-radius: 20px;
    margin: 0 auto 10px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--cyan);
    border-radius: 4px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.scroll-indicator p {
    font-size: 0.7rem;
    color: var(--muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ==========================================
   5. SECTIONS - GLOBAL STYLES
   ========================================== */
.section {
    padding: 120px 0;
    position: relative;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 12px;
}

.section-tag.center {
    display: block;
    text-align: center;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.section-title.center {
    text-align: center;
}

.section-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), transparent);
    margin-bottom: 40px;
    border-radius: 3px;
}

.section-divider.center {
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--light-gray);
    max-width: 700px;
}

.section-subtitle.center {
    text-align: center;
    margin: 0 auto 50px;
}

/* ==========================================
   6. ABOUT SECTION
   ========================================== */
.about-section {
    background: var(--primary-bg);
}

.section-grid.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    font-size: 1.05rem;
    color: var(--light-gray);
    margin-bottom: 20px;
    line-height: 1.9;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 30px 25px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: 0 8px 32px var(--glow);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--cyan);
    display: inline;
}

.stat-plus {
    font-size: 2rem;
    font-weight: 700;
    color: var(--cyan);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--light-gray);
    margin-top: 8px;
    font-weight: 500;
}

/* ==========================================
   7. NUMBERS SECTION
   ========================================== */
.numbers-section {
    background: var(--secondary-bg);
}

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.number-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.number-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: 0 8px 32px var(--glow);
    transform: translateY(-5px);
}

.number-value {
    font-size: 3.5rem;
    font-weight: 900;
    display: inline;
}

.number-value.cyan, .number-plus.cyan {
    color: var(--cyan);
}

.number-value.orange, .number-plus.orange {
    color: var(--orange);
}

.number-plus {
    font-size: 2.5rem;
    font-weight: 700;
}

.number-title {
    display: block;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--white);
    margin-top: 15px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.number-desc {
    display: block;
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 8px;
}

/* ==========================================
   8. SERVICES SECTION
   ========================================== */
.services-section {
    background: var(--primary-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    margin-top: 50px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 35px 25px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--orange));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: 0 8px 32px var(--glow);
    transform: translateY(-8px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 200, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: var(--cyan);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--cyan);
    color: var(--primary-bg);
    transform: scale(1.1);
}

.service-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--cyan);
    margin-bottom: 18px;
}

.service-list li {
    font-size: 0.82rem;
    color: var(--light-gray);
    padding: 6px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    padding-left: 15px;
}

.service-list li::before {
    content: '•';
    color: var(--cyan);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.service-list li:last-child {
    border-bottom: none;
}

/* ==========================================
   9. PROCESS SECTION
   ========================================== */
.process-section {
    background: var(--secondary-bg);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 50px;
}

.process-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-left: 4px solid var(--cyan);
    border-radius: var(--radius);
    padding: 35px 30px;
    transition: var(--transition);
}

.process-card:hover {
    border-color: var(--card-border-hover);
    border-left-color: var(--cyan);
    box-shadow: 0 8px 32px var(--glow);
    transform: translateY(-5px);
}

.process-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--cyan);
    display: block;
    margin-bottom: 12px;
}

.process-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.process-card p {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.6;
}

.process-banner {
    margin-top: 50px;
    padding: 25px 40px;
    background: rgba(0, 200, 255, 0.05);
    border: 1px solid var(--cyan);
    border-radius: var(--radius);
    text-align: center;
}

.process-banner p {
    font-size: 1rem;
    font-weight: 800;
    color: var(--orange);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ==========================================
   10. WHY CHOOSE US SECTION
   ========================================== */
.whyus-section {
    background: var(--primary-bg);
}

.whyus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.whyus-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 35px 30px;
    transition: var(--transition);
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.whyus-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: 0 8px 32px var(--glow);
    transform: translateY(-5px);
}

.whyus-icon {
    min-width: 50px;
    height: 50px;
    background: rgba(0, 200, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--cyan);
}

.whyus-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--orange);
    margin-bottom: 10px;
}

.whyus-card p {
    font-size: 0.9rem;
    color: var(--light-gray);
    line-height: 1.7;
}

/* ==========================================
   11. INDUSTRIES SECTION
   ========================================== */
.industries-section {
    background: var(--secondary-bg);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    margin-top: 50px;
}

.industry-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 35px 20px;
    text-align: center;
    transition: var(--transition);
}

.industry-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: 0 8px 32px var(--glow);
    transform: translateY(-8px);
}

.industry-icon {
    font-size: 2.5rem;
    color: var(--cyan);
    margin-bottom: 20px;
}

.industry-card h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--cyan);
    margin-bottom: 10px;
    text-transform: uppercase;
}

.industry-card p {
    font-size: 0.8rem;
    color: var(--muted);
}

.region-badges {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--card-border);
}

.region-badge {
    text-align: center;
}

.region-code {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--cyan);
}

.region-name {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    margin-top: 5px;
}

/* ==========================================
   12. CLIENTS SECTION
   ========================================== */
.clients-section {
    background: var(--primary-bg);
}

.clients-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 50px;
}

.client-tag {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 12px 22px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--light-gray);
    transition: var(--transition);
}

.client-tag:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: rgba(0, 200, 255, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px var(--glow);
}

.clients-more {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--orange);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ==========================================
   13. VISION 2030 SECTION
   ========================================== */
.vision-section {
    background: var(--secondary-bg);
}

.vision-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-top: 50px;
    align-items: center;
}

.vision-badge {
    text-align: center;
}

.vision-text {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    color: var(--white);
}

.vision-year {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    color: var(--white);
}

.vision-line {
    width: 60px;
    height: 3px;
    background: var(--cyan);
    margin: 20px auto;
}

.vision-country {
    display: block;
    font-size: 0.9rem;
    color: var(--muted);
    margin-top: 10px;
}

.vision-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.vision-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 25px 20px;
    transition: var(--transition);
}

.vision-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: 0 8px 32px var(--glow);
    transform: translateY(-3px);
}

.vision-card i {
    font-size: 1.5rem;
    color: var(--cyan);
    margin-bottom: 12px;
}

.vision-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--cyan);
    margin-bottom: 8px;
}

.vision-card p {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.6;
}

/* ==========================================
   14. CONTACT SECTION
   ========================================== */
.contact-section {
    background: var(--primary-bg);
    text-align: center;
    padding: 100px 0 80px;
}

.contact-tagline {
    font-size: 0.9rem;
    letter-spacing: 3px;
    color: var(--muted);
    margin-bottom: 40px;
    text-transform: uppercase;
}

.contact-logo img {
    height: 60px;
    margin-bottom: 15px;
}

.contact-slogan {
    font-size: 1rem;
    color: var(--muted);
    margin-bottom: 50px;
}

.contact-grid {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

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

.contact-label {
    display: block;
    font-size: 0.8rem;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
    font-weight: 600;
}

.contact-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
}

.contact-value:hover {
    color: var(--cyan);
}

.contact-qr {
    margin-bottom: 30px;
}

.contact-qr img {
    width: 150px;
    height: 150px;
    border-radius: 10px;
    border: 2px solid var(--card-border);
    padding: 10px;
    background: white;
}

.contact-qr p {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 10px;
}

.contact-region {
    font-size: 0.85rem;
    color: var(--muted);
}

/* ==========================================
   15. FOOTER
   ========================================== */
.site-footer {
    background: #050d1a;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid var(--card-border);
}

.footer-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.site-footer p {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 5px;
}

/* ==========================================
   16. BACK TO TOP BUTTON
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--cyan);
    color: var(--primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 9999;
    box-shadow: 0 5px 20px var(--glow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--white);
    transform: translateY(-5px);
}

/* ==========================================
   17. RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-grid.two-col {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .numbers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .whyus-grid {
        grid-template-columns: 1fr;
    }
    
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .vision-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .services-grid,
    .numbers-grid,
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .vision-cards {
        grid-template-columns: 1fr;
    }
    
    .region-badges {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }
    
    .hero-contact-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-grid {
        flex-direction: column;
        gap: 30px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .header-container {
        padding: 0 20px;
    }
    
    .logo img {
        height: 35px;
    }
}
/* Footer Social Links */
.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--light-gray);
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: rgba(0, 200, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px var(--glow);
}