/* --------------------------------------
   CSS VARIABLES & THEME SETTINGS
----------------------------------------- */
:root {
    /* Colors - Light Mode (Default) */
    --primary-bg: #ffffff;
    --secondary-bg: #f8fbff;
    --deep-blue: #0A2540;
    --gold: #D4AF37;
    --text-main: #1A1F2B;
    --text-muted: #5B637A;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow-soft: 0 10px 30px rgba(10, 37, 64, 0.08);
    --shadow-hover: 0 20px 40px rgba(10, 37, 64, 0.12);
    --gradient-warm: linear-gradient(135deg, var(--gold) 0%, #E6C25B 100%);
    --gradient-brand: linear-gradient(135deg, var(--deep-blue) 0%, #153860 100%);
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

/* Dark Mode Theme */
[data-theme="dark"] {
    --primary-bg: #0B0E14;
    --secondary-bg: #11151F;
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --glass-bg: rgba(17, 21, 31, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.5);
    --deep-blue: #1A365D; /* slightly lighter in dark mode */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-bg);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 5%;
}

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

/* Typography Utility */
.highlight {
    color: var(--gold);
}
.text-gradient {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}
[data-theme="dark"] .text-gradient {
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --------------------------------------
   COMPONENTS
----------------------------------------- */
/* Glassmorphism Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-soft);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}
.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--deep-blue);
    color: #fff;
    box-shadow: 0 8px 20px rgba(10, 37, 64, 0.2);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(10, 37, 64, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--deep-blue);
    color: var(--deep-blue);
}
[data-theme="dark"] .btn-outline {
    border-color: var(--gold);
    color: var(--gold);
}
.btn-outline:hover {
    background: var(--deep-blue);
    color: #fff;
}
[data-theme="dark"] .btn-outline:hover {
    background: var(--gold);
    color: var(--primary-bg);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}
.btn-block {
    width: 100%;
}

/* --------------------------------------
   PRELOADER
----------------------------------------- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-bg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}
.loader-logo {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--deep-blue);
    letter-spacing: 2px;
    margin-bottom: 20px;
    animation: pulseLogo 1.5s infinite alternate;
}
[data-theme="dark"] .loader-logo {
    color: var(--gold);
}
.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--secondary-bg);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes pulseLogo {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.05); opacity: 1; }
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --------------------------------------
   NAVIGATION
----------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition-smooth);
}
.navbar.scrolled {
    padding: 12px 0;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--deep-blue);
    display: flex;
    align-items: baseline;
}
[data-theme="dark"] .logo {
    color: #fff;
}
.logo-dot {
    color: var(--gold);
    font-size: 2.5rem;
    line-height: 0;
}

.nav-links {
    display: flex;
    gap: 32px;
}
.nav-links a {
    font-weight: 500;
    color: var(--text-main);
    font-size: 1.05rem;
    position: relative;
    padding: 5px 0;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: var(--transition-smooth);
}
.nav-links a:hover::after {
    width: 100%;
}

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

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s;
}
.theme-toggle:hover {
    transform: rotate(30deg);
    color: var(--gold);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}
.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-main);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

/* --------------------------------------
   HERO SECTION
----------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px; /* Space for navbar */
    overflow: hidden;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 24px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.hero-3d-model {
    flex: 1;
    height: 650px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 5;
}

.float-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--gold);
    box-shadow: var(--shadow-soft);
    animation: float3D 6s ease-in-out infinite;
}

.icon-1 { top: 20%; right: 10%; animation-delay: 0s; }
.icon-2 { bottom: 20%; left: 0%; animation-delay: 2s; }
.icon-3 { top: 50%; right: -5%; animation-delay: 4s; }

@keyframes float3D {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0.7;
    animation: bounce 2s infinite;
}
.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}
.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}
.scroll-indicator span {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}
@keyframes scroll {
    0% { top: 6px; opacity: 1; }
    100% { top: 18px; opacity: 0; }
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

/* --------------------------------------
   SECTIONS GENERAL
----------------------------------------- */
section {
    padding: 100px 0;
}
.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--deep-blue);
}
[data-theme="dark"] .section-header h2 {
    color: #fff;
}
.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* --------------------------------------
   ABOUT SECTION
----------------------------------------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.image-wrapper {
    position: relative;
    padding: 10px;
}
.image-wrapper img {
    width: 100%;
    border-radius: var(--radius-lg);
    display: block;
}
.badge-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 2;
}
.badge-card i {
    font-size: 2.5rem;
    color: var(--gold);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 24px;
}
.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.stat-item {
    padding-right: 20px;
    border-right: 1px solid var(--glass-border);
}
.stat-item:last-child {
    border: none;
}
.stat-item h3 {
    font-size: 2.5rem;
    color: var(--deep-blue);
    display: inline-block;
}
[data-theme="dark"] .stat-item h3 {
    color: var(--gold);
}
.stat-item span {
    font-size: 2rem;
    color: var(--gold);
    font-weight: 700;
}
.stat-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 5px;
}

/* --------------------------------------
   SERVICES SECTION (3D Cards)
----------------------------------------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    padding: 40px 30px;
    text-align: center;
    transform-style: preserve-3d;
    cursor: pointer;
}
.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-warm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: #fff;
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
    transform: translateZ(30px);
}
.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    transform: translateZ(20px);
}
.service-features {
    text-align: left;
    margin-bottom: 30px;
    transform: translateZ(15px);
}
.service-features li {
    margin-bottom: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}
.service-features li i {
    color: var(--gold);
}
.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--deep-blue);
    transform: translateZ(25px);
}
[data-theme="dark"] .service-link {
    color: var(--gold);
}
.service-link:hover {
    gap: 12px;
    color: var(--gold);
}

/* --------------------------------------
   PROCESS SECTION (Timeline)
----------------------------------------- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}
.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--gold);
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
    margin-bottom: 20px;
}
.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}
.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--gold);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    box-shadow: 0 0 0 4px var(--primary-bg), 0 0 10px rgba(212, 175, 55, 0.5);
    z-index: 1;
}
.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}
.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    padding: 30px;
    position: relative;
}
.step-num {
    position: absolute;
    top: -20px;
    font-size: 4rem;
    font-weight: 800;
    color: var(--gold);
    opacity: 0.1;
    z-index: 0;
}
.timeline-item:nth-child(odd) .step-num {
    right: 20px;
}
.timeline-item:nth-child(even) .step-num {
    left: 20px;
}

.timeline-content h3 {
    margin-bottom: 10px;
    color: var(--deep-blue);
    position: relative;
    z-index: 1;
}
[data-theme="dark"] .timeline-content h3 {
    color: #fff;
}
.timeline-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* --------------------------------------
   WHY CHOOSE US
----------------------------------------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.feature-item {
    padding: 35px 25px;
    text-align: center;
}
.feature-item:hover {
    transform: translateY(-10px);
}
.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: rgba(10, 37, 64, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--deep-blue);
    transition: var(--transition-smooth);
}
[data-theme="dark"] .feature-icon {
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold);
}
.feature-item:hover .feature-icon {
    background: var(--deep-blue);
    color: #fff;
}
[data-theme="dark"] .feature-item:hover .feature-icon {
    background: var(--gold);
    color: var(--primary-bg);
}
.feature-item h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}
.feature-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --------------------------------------
   TESTIMONIALS
----------------------------------------- */
.testimonial-swiper {
    padding: 20px 0 50px !important; /* space for pagination */
}
.swiper-slide {
    height: auto;
}

.testimonial-card {
    padding: 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.quote-icon {
    font-size: 2rem;
    color: rgba(212, 175, 55, 0.3);
    margin-bottom: 20px;
}

.review {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 30px;
    flex-grow: 1;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 15px;
}
.reviewer img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--secondary-bg);
}
.reviewer h4 {
    font-size: 1.1rem;
    color: var(--deep-blue);
    margin-bottom: 4px;
}
[data-theme="dark"] .reviewer h4 {
    color: #fff;
}
.reviewer span {
    font-size: 0.85rem;
    color: var(--gold);
    font-weight: 500;
}

/* Swiper overrides */
.swiper-pagination-bullet {
    background: var(--text-muted);
}
.swiper-pagination-bullet-active {
    background: var(--gold);
}

/* --------------------------------------
   CONTACT FORM
----------------------------------------- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 50px;
}

.contact-info h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}
.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 40px;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}
.info-item i {
    font-size: 1.5rem;
    color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.info-item h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}
.info-item p {
    color: var(--text-muted);
}

.contact-form {
    background: var(--primary-bg);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    background: var(--secondary-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-smooth);
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gold);
    background: var(--primary-bg);
}

.form-group label {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: var(--transition-smooth);
    pointer-events: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label {
    top: 0;
    left: 15px;
    font-size: 0.8rem;
    padding: 0 5px;
    background: var(--primary-bg);
    color: var(--gold);
}

select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}
select:required:invalid {
    color: var(--text-muted);
}

/* --------------------------------------
   FOOTER
----------------------------------------- */
footer {
    background: var(--deep-blue);
    color: #fff;
    padding: 80px 0 30px;
}
[data-theme="dark"] footer {
    background: #060e18;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: #fff;
    margin-bottom: 20px;
    display: inline-block;
}
.footer-brand p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    gap: 15px;
}
.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.social-links a:hover {
    background: var(--gold);
    transform: translateY(-3px);
}

.footer-links h3, .footer-newsletter h3 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}
.footer-links h3::after, .footer-newsletter h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gold);
}

.footer-links ul li {
    margin-bottom: 15px;
}
.footer-links ul a {
    color: rgba(255,255,255,0.7);
}
.footer-links ul a:hover {
    color: var(--gold);
    padding-left: 5px;
}

.footer-newsletter p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    position: relative;
}
.newsletter-form input {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border-radius: 50px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: #fff;
    outline: none;
}
.newsletter-form input::placeholder {
    color: rgba(255,255,255,0.5);
}
.newsletter-form button {
    position: absolute;
    right: 5px;
    top: 5px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gold);
    border: none;
    color: #fff;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.newsletter-form button:hover {
    background: #fff;
    color: var(--deep-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* --------------------------------------
   WHATSAPP BUTTON
----------------------------------------- */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    animation: float 3s ease-in-out infinite;
    transition: transform 0.3s;
}
.whatsapp-btn:hover {
    transform: scale(1.1);
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* --------------------------------------
   RESPONSIVE DESIGN
----------------------------------------- */
@media screen and (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }
    .hero-container {
        flex-direction: column;
        text-align: center;
        padding-top: 50px;
    }
    .hero-content {
        margin-bottom: 50px;
    }
    .hero-btns {
        justify-content: center;
    }
    .about-grid, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .timeline::after {
        left: 31px;
    }
    .timeline-item {
        width: 100%;
        padding-left: 80px;
        padding-right: 0;
        text-align: left !important;
    }
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        left: 0;
    }
    .timeline-dot {
        left: 21px !important;
        right: auto !important;
    }
    .timeline-item:nth-child(even) .step-num,
    .timeline-item:nth-child(odd) .step-num {
        left: 20px;
        right: auto;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--primary-bg);
        flex-direction: column;
        align-items: center;
        padding-top: 50px;
        transition: var(--transition-smooth);
        gap: 40px;
    }
    .nav-links.active {
        left: 0;
    }
    .hamburger {
        display: flex;
    }
    .nav-btn {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero-btns {
        flex-direction: column;
    }
    .services-grid, .features-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
        padding-bottom: 20px;
    }
    .contact-wrapper {
        padding: 30px 20px;
    }
}