/* ===================================
   Sri Sastha Consultants - Main Stylesheet
   Premium Professional Design
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #1e3a5f;
    --secondary-color: #2563eb;
    --accent-color: #0ea5e9;
    --gradient-primary: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
    --gradient-accent: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-gold: linear-gradient(135deg, #f5af19 0%, #f12711 100%);
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --bg-section: #f1f5f9;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.06);
    --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: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary-color);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
    color: var(--text-light);
    font-size: 1.05rem;
}

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

/* ===================================
   Preloader
   =================================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

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

.preloader-inner {
    text-align: center;
}

.preloader-logo {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 20px;
    animation: pulse 1.5s infinite;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    background: rgba(30, 58, 95, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(30, 58, 95, 0.98);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--white) !important;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand i {
    font-size: 1.8rem;
    color: var(--accent-color);
}

.navbar-brand span {
    background: linear-gradient(90deg, #fff, #94d2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: rgba(255,255,255,0.9) !important;
    font-weight: 500;
    padding: 0.6rem 1.2rem !important;
    border-radius: 8px;
    margin: 0 0.15rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 80%;
}

.nav-link:hover {
    color: var(--white) !important;
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    background: rgba(255,255,255,0.15);
    color: var(--white) !important;
}

/* Mobile Menu */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===================================
   Hero Section
   =================================== */
.hero-section {
    min-height: 100vh;
    background: var(--gradient-primary);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="3" fill="rgba(255,255,255,0.08)"/><circle cx="40" cy="60" r="1.5" fill="rgba(255,255,255,0.12)"/><circle cx="70" cy="30" r="2.5" fill="rgba(255,255,255,0.06)"/></svg>');
    background-size: 150px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-20px) translateX(10px); }
    100% { transform: translateY(0) translateX(0); }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-badge i {
    color: #fbbf24;
}

.hero-title {
    color: var(--white);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-title span {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-hero-primary {
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    color: var(--primary-color);
}

.btn-hero-secondary {
    background: transparent;
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 2px solid rgba(255,255,255,0.5);
    transition: var(--transition);
}

.btn-hero-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-3px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255,255,255,0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    display: block;
}

.stat-label {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
}

/* Hero Image */
.hero-image {
    position: relative;
    z-index: 2;
}

.hero-image-wrapper {
    position: relative;
    padding: 20px;
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.1);
    border-radius: 30px;
    transform: rotate(3deg);
}

.hero-main-image {
    position: relative;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.2);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.service-mini-card {
    background: rgba(255,255,255,0.9);
    padding: 1.25rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
}

.service-mini-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-mini-card i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.service-mini-card h5 {
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0;
    color: var(--primary-color);
}

/* Floating Elements */
.floating-card {
    position: absolute;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: floatCard 3s ease-in-out infinite;
}

.floating-card.card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 15%;
    left: -5%;
    animation-delay: 1.5s;
}

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

.floating-card i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.floating-card-text h6 {
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0;
}

.floating-card-text small {
    color: var(--text-light);
    font-size: 0.75rem;
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
    padding: 8px 20px;
    border-radius: 50px;
    color: var(--secondary-color);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    margin-bottom: 1rem;
}

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

/* ===================================
   Services Section
   =================================== */
.services-section {
    background: var(--bg-light);
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    height: 100%;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-icon i {
    font-size: 2rem;
    color: var(--secondary-color);
}

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

.service-card:hover .service-icon i {
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list li {
    padding: 0.5rem 0;
    padding-left: 1.75rem;
    position: relative;
    color: var(--text-light);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.service-list li::before {
    content: '\F26B';
    font-family: 'bootstrap-icons';
    position: absolute;
    left: 0;
    color: #10b981;
    font-size: 0.9rem;
}

/* ===================================
   About/Why Choose Us Section
   =================================== */
.about-section {
    background: var(--white);
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    width: 100%;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.experience-badge .years {
    font-size: 3rem;
    font-weight: 800;
    display: block;
    line-height: 1;
}

.experience-badge span {
    font-size: 0.9rem;
}

.about-content {
    padding-left: 2rem;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 2rem;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(5px);
}

.feature-item i {
    font-size: 1.25rem;
    color: var(--secondary-color);
}

.feature-item span {
    font-weight: 500;
    color: var(--text-dark);
}

/* ===================================
   Contact Section
   =================================== */
.contact-section {
    background: var(--bg-section);
}

.contact-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    height: 100%;
}

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

.contact-info-card h3 {
    color: var(--white);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    transition: var(--transition);
}

.contact-item:hover {
    background: rgba(255,255,255,0.2);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.25rem;
}

.contact-text h5 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: rgba(255,255,255,0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-text p,
.contact-text a {
    color: var(--white);
    font-size: 1rem;
    margin: 0;
    display: block;
}

.contact-text a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-5px);
}

/* Contact Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    display: block;
}

.form-control {
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
    color: #9ca3af;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.btn-submit {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    justify-content: center;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ===================================
   Location Section
   =================================== */
.location-section {
    background: var(--white);
}

.location-card {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
}

.location-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

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

.location-item i {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

.location-item h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.location-item p {
    margin: 0;
    font-size: 0.95rem;
}

.map-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 450px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===================================
   Reviews Section
   =================================== */
.reviews-section {
    background: var(--bg-section);
}

.review-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    height: 100%;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 5rem;
    color: rgba(37, 99, 235, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.review-stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.review-text {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
}

.reviewer-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0;
}

.reviewer-company {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 0;
}

/* Review Form */
.review-form-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 3rem;
}

.star-rating {
    display: flex;
    gap: 8px;
    margin-bottom: 1rem;
}

.star-rating i {
    font-size: 2rem;
    color: #e5e7eb;
    cursor: pointer;
    transition: var(--transition);
}

.star-rating i:hover,
.star-rating i.active {
    color: #fbbf24;
    transform: scale(1.1);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 4rem 0 0;
}

.footer-top {
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.5rem;
}

.footer-brand i {
    font-size: 2rem;
    color: var(--accent-color);
}

.footer-brand h4 {
    color: var(--white);
    margin: 0;
    font-weight: 700;
}

.footer p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 1.5rem;
}

.footer h5 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(5px);
}

.footer-links a i {
    font-size: 0.8rem;
}

.footer-contact-item {
    display: flex;
    gap: 12px;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.7);
}

.footer-contact-item i {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-top: 3px;
}

.footer-contact-item a {
    color: rgba(255,255,255,0.7);
}

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

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.9rem;
}

/* ===================================
   Animations
   =================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ===================================
   Utility Classes
   =================================== */
.bg-gradient {
    background: var(--gradient-primary);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mb-section {
    margin-bottom: 5rem;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 991.98px) {
    .hero-content {
        text-align: center;
        padding-top: 4rem;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        margin-top: 3rem;
    }
    
    .about-content {
        padding-left: 0;
        margin-top: 3rem;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        display: none;
    }
}

@media (max-width: 767.98px) {
    section {
        padding: 3rem 0;
    }
    
    .hero-section {
        min-height: auto;
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .stat-item {
        padding: 0.75rem 1rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .review-form-card {
        padding: 1.5rem;
    }
    
    .footer-top {
        text-align: center;
    }
    
    .footer-brand {
        justify-content: center;
    }
}

@media (max-width: 575.98px) {
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .navbar-brand i {
        font-size: 1.4rem;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        padding: 0.875rem 1.75rem;
        font-size: 1rem;
        width: 100%;
        justify-content: center;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}

/* ===================================
   Alert Messages
   =================================== */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert i {
    font-size: 1.25rem;
}

/* ===================================
   WhatsApp Button
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: white;
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

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