/* ============================================
   Fire NOC MIDC - Modern Landing Page Styles
   Theme: Industrial Safety (Red, Black, White)
   ============================================ */

/* CSS Variables */
:root {
    --primary-red: #dc2626;
    --primary-red-dark: #b91c1c;
    --primary-red-light: #ef4444;
    --black: #0a0a0a;
    --black-light: #1a1a1a;
    --black-lighter: #2a2a2a;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    --gradient-red: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    --gradient-dark: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-red: 0 10px 40px rgba(220, 38, 38, 0.3);
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
}

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

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--black);
}

.logo i {
    color: var(--primary-red);
    font-size: 1.75rem;
}

.logo .highlight {
    color: var(--primary-red);
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--black);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-menu.active {
    display: flex;
}

.mobile-nav-link {
    padding: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.mobile-nav-link:hover {
    background: var(--gray-100);
    color: var(--primary-red);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(220, 38, 38, 0.4);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: var(--white);
    box-shadow: 0 10px 40px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(37, 211, 102, 0.4);
}

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

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

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

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

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

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

.btn-submit {
    width: 100%;
    padding: 1rem;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    overflow: hidden;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(220, 38, 38, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(220, 38, 38, 0.1) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23dc2626' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.7) 0%, rgba(10, 10, 10, 0.9) 100%);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: calc(100vh - 70px);
}

.hero-content {
    text-align: left;
    max-width: none;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.hero-img {
    width: 100%;
    height: auto;
    max-height: 550px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 4px solid rgba(220, 38, 38, 0.2);
    object-fit: contain;
    display: block;
}

.hero-image-badge {
    position: absolute;
    bottom: 30px;
    left: -20px;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: float 3s ease-in-out infinite;
}

.hero-image-badge i {
    color: var(--primary-red);
    font-size: 1.5rem;
}

.hero-image-badge span {
    font-weight: 700;
    color: var(--black);
    white-space: nowrap;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(220, 38, 38, 0.2);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary-red-light);
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 50%, #f87171 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--gray-300);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.divider:not(:last-child)::after {
    content: '|';
    margin-left: 1rem;
    color: var(--primary-red);
}

.hero-description {
    color: var(--gray-400);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-red-light);
    line-height: 1;
}

.stat-label {
    color: var(--gray-400);
    font-size: 0.875rem;
    font-weight: 500;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll a {
    color: var(--gray-400);
    font-size: 1.5rem;
    transition: var(--transition-base);
}

.hero-scroll a:hover {
    color: var(--primary-red);
}

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

/* ============================================
   SECTION COMMON STYLES
   ============================================ */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(220, 38, 38, 0.1);
    color: var(--primary-red);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--black);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-subtitle {
    color: var(--gray-500);
    font-size: 1.125rem;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    background: var(--gray-100);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid var(--gray-200);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-red-light);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-red);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.service-features i {
    color: var(--primary-red);
    font-size: 0.75rem;
}

/* ============================================
   WHY CHOOSE US SECTION
   ============================================ */
.why-us {
    background: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.why-card {
    padding: 2rem;
    border-radius: var(--radius-xl);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.why-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-red-light);
}

.why-card.highlight-card {
    background: var(--gradient-red);
    color: var(--white);
    border: none;
}

.why-card.highlight-card h3,
.why-card.highlight-card p {
    color: var(--white);
}

.why-icon {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.why-card.highlight-card .why-icon {
    background: rgba(255, 255, 255, 0.2);
}

.why-icon i {
    font-size: 1.25rem;
    color: var(--primary-red);
}

.why-card.highlight-card .why-icon i {
    color: var(--white);
}

.why-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 0.75rem;
}

.why-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: var(--gradient-red);
    padding: 5rem 0;
}

.cta-content {
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: 0.75rem;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text {
    color: var(--gray-600);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.about-connection {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--primary-red);
}

.connection-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.connection-badge i {
    color: var(--primary-red);
}

.connection-badge strong {
    color: var(--primary-red);
}

.about-connection p {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
}

.image-placeholder {
    aspect-ratio: 4/5;
    background: var(--gradient-dark);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--gray-400);
}

.image-placeholder i {
    font-size: 4rem;
    color: var(--primary-red);
    opacity: 0.5;
}

.image-placeholder span {
    font-size: 1.125rem;
    font-weight: 600;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    min-width: 140px;
}

.exp-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-red);
    line-height: 1;
}

.exp-text {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--gray-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.contact-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.contact-item:first-child {
    padding-top: 0;
}

.contact-icon {
    width: 45px;
    height: 45px;
    background: rgba(220, 38, 38, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--primary-red);
    font-size: 1.125rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--black);
}

.quick-contact {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.quick-contact h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 1rem;
}

.quick-buttons {
    display: flex;
    gap: 1rem;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    text-align: center;
    padding: 3rem;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: rgba(37, 211, 102, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.success-icon i {
    font-size: 2.5rem;
    color: #25d366;
}

.form-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 0.5rem;
}

.form-success p {
    color: var(--gray-600);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--black);
    color: var(--gray-300);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links h4,
.footer-websites h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--primary-red);
}

.footer-websites {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
}

.footer-websites a {
    color: var(--gray-400);
    font-size: 0.85rem;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-websites a i {
    font-size: 0.7rem;
    color: var(--primary-red);
}

.footer-websites a:hover {
    color: var(--primary-red);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--primary-red);
    width: 20px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.powered-by {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--gray-300);
}

.powered-by i {
    color: var(--primary-red);
}

.copyright {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ============================================
   STICKY WHATSAPP BUTTON
   ============================================ */
.sticky-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-base);
    animation: pulse-whatsapp 2s infinite;
}

.sticky-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--black);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.sticky-whatsapp:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
    100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate="fade-right"].animated,
[data-animate="fade-left"].animated {
    transform: translateX(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-image {
        order: -1;
    }
    
    .experience-badge {
        right: 20px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        order: 1;
    }
    
    .contact-form-wrapper {
        order: 0;
    }
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
        order: 1;
    }
    
    .hero-image {
        order: 0;
    }
    
    .hero-image-wrapper {
        max-width: 450px;
    }
    
    .hero-img {
        max-height: 450px;
    }
    
    .hero-image-badge {
        left: 10px;
        bottom: 20px;
        padding: 0.75rem 1rem;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .header .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 2rem;
        justify-content: center;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-image-wrapper {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .hero-img {
        max-height: 350px;
    }
    
    .hero-image-badge {
        left: 0;
        bottom: 15px;
        padding: 0.5rem 0.75rem;
    }
    
    .hero-image-badge span {
        font-size: 0.875rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: none;
    }
    
    .footer-websites {
        grid-template-columns: 1fr 1fr;
        justify-items: center;
    }
    
    .footer-websites h4 {
        grid-column: 1 / -1;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .sticky-whatsapp {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 1rem;
        right: 1rem;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-subtitle {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .divider:not(:last-child)::after {
        display: none;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .quick-buttons {
        flex-direction: column;
    }
    
    .experience-badge {
        min-width: 100px;
        padding: 1rem;
    }
    
    .exp-number {
        font-size: 2rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero-scroll,
    .sticky-whatsapp,
    .btn {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    section {
        padding: 2rem 0;
    }
}