/* ====================================
   Bhavana Interiors - Luxury Design CSS
   Mobile First Approach
   ==================================== */

/* CSS Variables */
:root {
    /* Colors - Warm Luxury Palette */
    --color-primary: #1a2f23;
    --color-primary-light: #2d4a3a;
    --color-accent: #c9a962;
    --color-accent-light: #e4d4a8;
    --color-dark: #0d1710;
    --color-text: #3d3d3d;
    --color-text-light: #6b6b6b;
    --color-light: #f8f6f2;
    --color-cream: #faf9f7;
    --color-white: #ffffff;
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Jost', -apple-system, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-bottom: 70px; /* Space for bottom nav */
}

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

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

ul {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ====================================
   Header
   ==================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(248, 246, 242, 0.98), rgba(248, 246, 242, 0.95));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 169, 98, 0.2);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-base);
}

.header-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-md);
}

.logo-center {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    transition: var(--transition-base);
}

.logo-center:hover {
    transform: translateY(-2px);
}

.logo-icon-wrapper {
    position: relative;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(26, 47, 35, 0.2);
}

.logo-icon-wrapper::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    border-radius: 13px;
    z-index: -1;
    opacity: 0.5;
}

.logo-icon {
    font-size: 1.75rem;
    color: var(--color-accent);
    animation: iconPulse 3s ease-in-out infinite;
}

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

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    line-height: 1;
}

.logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    line-height: 1;
}

/* ====================================
   Hero Section
   ==================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.1);
    animation: heroZoom 20s ease infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(13, 23, 16, 0.4) 0%,
        rgba(13, 23, 16, 0.6) 50%,
        rgba(13, 23, 16, 0.8) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-accent);
    color: var(--color-dark);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.hero-cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
}

.hero-cta i {
    font-size: 0.75rem;
    transition: var(--transition-base);
}

.hero-cta:hover i {
    transform: translateX(4px);
}

.hero-scroll {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* ====================================
   Section Styles
   ==================================== */
section {
    padding: var(--spacing-xxl) 0;
}

.section-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.section-label.light {
    color: var(--color-accent-light);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.section-title.light {
    color: var(--color-white);
}

/* ====================================
   About Intro Section
   ==================================== */
.about-intro {
    background: var(--color-white);
}

.about-intro-content {
    text-align: center;
}

.about-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--spacing-xs);
}

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

.services-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.service-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-content {
    padding: var(--spacing-md);
    position: relative;
}

.service-icon {
    position: absolute;
    top: -24px;
    left: var(--spacing-md);
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.125rem;
    box-shadow: var(--shadow-md);
}

.service-content h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.service-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ====================================
   Portfolio Section
   ==================================== */
.portfolio {
    background: var(--color-cream);
}

.portfolio-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.portfolio-item.large {
    aspect-ratio: 16/10;
}

.portfolio-item.wide {
    aspect-ratio: 16/9;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-item:hover img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(13, 23, 16, 0.9), transparent);
    transform: translateY(100%);
    transition: var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-category {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.portfolio-overlay h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-white);
    margin-top: 4px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

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

.btn-outline i {
    font-size: 0.75rem;
    transition: var(--transition-base);
}

.btn-outline:hover i {
    transform: translateX(4px);
}

/* ====================================
   Process Section
   ==================================== */
.process {
    background: var(--color-white);
}

.process-timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-light));
}

.process-step {
    position: relative;
    padding-bottom: var(--spacing-xl);
}

.process-step:last-child {
    padding-bottom: 0;
}

.step-number {
    position: absolute;
    left: -48px;
    width: 28px;
    height: 28px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ====================================
   Testimonials Section
   ==================================== */
.testimonials {
    position: relative;
    overflow: hidden;
}

.testimonials-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.testimonials-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonials-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 47, 35, 0.92);
}

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

.testimonials-slider {
    position: relative;
    min-height: 320px;
}

.testimonial-card {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateX(30px);
    transition: var(--transition-slow);
    pointer-events: none;
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.testimonial-quote {
    color: var(--color-accent);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-white);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.testimonial-author img {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--color-accent);
}

.testimonial-author h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-white);
}

.testimonial-author span {
    font-size: 0.8125rem;
    color: var(--color-accent-light);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    transition: var(--transition-base);
}

.dot.active {
    background: var(--color-accent);
    width: 28px;
    border-radius: 5px;
}

/* ====================================
   CTA Section
   ==================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: var(--spacing-xxl) 0;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-accent);
    color: var(--color-dark);
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
}

.btn-primary i {
    font-size: 0.875rem;
}

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

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

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

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

.contact-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.contact-info {
    display: grid;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.contact-form {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    background: var(--color-light);
    color: var(--color-text);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-light);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6b6b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.btn-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.btn-submit:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

.btn-submit i {
    font-size: 0.875rem;
}

/* ====================================
   Footer
   ==================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.footer-content .logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.footer-content .logo-icon {
    color: var(--color-accent);
    font-size: 1.75rem;
}

.footer-content .logo-text {
    color: var(--color-white);
    font-size: 1.5rem;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.footer-contact {
    margin-bottom: var(--spacing-lg);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.footer-contact i {
    color: var(--color-accent);
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.social-links a {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.125rem;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ====================================
   Sticky Bottom Navigation
   ==================================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, var(--color-white), rgba(248, 246, 242, 0.98));
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    border-top: 2px solid rgba(201, 169, 98, 0.15);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text);
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-base);
    border-radius: var(--radius-md);
    min-width: 70px;
}

.nav-item i {
    font-size: 1.5rem;
    margin-bottom: 2px;
    transition: var(--transition-base);
}

.nav-item:hover {
    transform: translateY(-4px);
    color: var(--color-primary);
}

.nav-item:hover i {
    color: var(--color-accent);
}

/* WhatsApp Highlight Button */
.nav-item.highlight {
    position: relative;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transform: translateY(-8px);
}

.nav-item.highlight::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.3;
    filter: blur(8px);
}

.nav-item.highlight i {
    color: var(--color-white);
    font-size: 2rem;
    animation: whatsappPulse 2s ease-in-out infinite;
}

.nav-item.highlight span {
    color: var(--color-white);
    font-weight: 600;
}

.nav-item.highlight:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

@keyframes whatsappPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ====================================
   Tablet & Desktop Responsive
   ==================================== */
@media (min-width: 640px) {
    .hero-title {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 2.75rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-item.large {
        grid-column: span 2;
    }
    
    .contact-form {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .form-group.full-width {
        grid-column: span 2;
    }
    
    .form-group {
        margin-bottom: 0;
    }
    
    .btn-submit {
        grid-column: span 2;
    }
}

@media (min-width: 768px) {
    .header-container {
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .logo-icon-wrapper {
        width: 60px;
        height: 60px;
    }
    
    .logo-icon {
        font-size: 2rem;
    }
    
    .logo-text {
        font-size: 2rem;
    }
    
    .logo-subtitle {
        font-size: 0.875rem;
    }
    
    .bottom-nav {
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    .nav-item {
        min-width: 100px;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .nav-item i {
        font-size: 1.75rem;
    }
    
    .nav-item.highlight i {
        font-size: 2.25rem;
    }
    
    .hero-title {
        font-size: 5.5rem;
    }
    
    .hero-scroll {
        bottom: 60px;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .stats-row {
        gap: var(--spacing-xxl);
    }
    
    .stat-number {
        font-size: 3.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .portfolio-gallery {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .portfolio-item.large {
        grid-column: span 2;
        grid-row: span 2;
        aspect-ratio: auto;
    }
    
    .portfolio-item.wide {
        grid-column: span 2;
    }
    
    .process-timeline {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-lg);
        padding-left: 0;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .process-step {
        padding-bottom: 0;
        text-align: center;
    }
    
    .step-number {
        position: static;
        width: 48px;
        height: 48px;
        font-size: 1rem;
        margin: 0 auto var(--spacing-md);
    }
    
    .testimonial-text {
        font-size: 1.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xxl);
    }
    
    .cta-content h2 {
        font-size: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .logo-icon-wrapper {
        width: 70px;
        height: 70px;
    }
    
    .logo-icon {
        font-size: 2.5rem;
    }
    
    .logo-text {
        font-size: 2.5rem;
    }
    
    .logo-subtitle {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 6.5rem;
    }
    
    .section-title {
        font-size: 3.25rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .service-image {
        height: 180px;
    }
    
    .floating-whatsapp {
        width: 70px;
        height: 70px;
        font-size: 2.5rem;
    }
}

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 100px;
}

/* ====================================
   Floating WhatsApp Button (Desktop Only)
   ==================================== */
.floating-whatsapp {
    display: none;
}

@media (min-width: 768px) {
    .floating-whatsapp {
        display: flex;
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, #25D366, #128C7E);
        border-radius: var(--radius-full);
        align-items: center;
        justify-content: center;
        color: var(--color-white);
        font-size: 2rem;
        box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
        z-index: 999;
        transition: var(--transition-base);
        animation: floatBounce 3s ease-in-out infinite;
    }
    
    .floating-whatsapp:hover {
        transform: scale(1.1);
        box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
    }
    
    @keyframes floatBounce {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-10px); }
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Selection */
::selection {
    background: var(--color-accent);
    color: var(--color-dark);
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}