/* ================================================
   KUNDISO KM - Premium Paving & Tiling
   Custom Styles - Blue & Yellow Theme
   ================================================ */

/* CSS Variables */
:root {
    --primary-blue: #1a4b8c;
    --primary-blue-dark: #0d2d54;
    --primary-blue-light: #2d6cb5;
    --accent-yellow: #f4c430;
    --accent-yellow-light: #ffd966;
    --accent-yellow-dark: #d4a420;
    --white: #ffffff;
    --light-gray: #f5f7fa;
    --dark-gray: #2c3e50;
    --text-dark: #1a1a2e;
    --text-light: #6c757d;
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.08);
    --shadow-md: 0 5px 25px rgba(0,0,0,0.12);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* ================================================
   HEADER & NAVIGATION
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(26, 75, 140, 0.3);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1.2;
}

.logo-text span {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--accent-yellow-dark);
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent-yellow);
    transition: var(--transition);
}

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

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

.btn-quote {
    background: linear-gradient(135deg, var(--accent-yellow), var(--accent-yellow-light));
    color: var(--primary-blue-dark);
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(244, 196, 48, 0.4);
    transition: var(--transition);
}

.btn-quote:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244, 196, 48, 0.5);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: var(--transition);
}

/* ================================================
   HERO SLIDESHOW
   ================================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.75);
}

.slide-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 75, 140, 0.85), rgba(13, 45, 84, 0.75));
}

.slide-content {
    position: relative;
    z-index: 10;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
}

.slide-text {
    max-width: 700px;
    color: var(--white);
    animation: fadeInUp 1s ease;
}

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

.slide-tag {
    display: inline-block;
    background: var(--accent-yellow);
    color: var(--primary-blue-dark);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.slide-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.slide-title span {
    color: var(--accent-yellow);
}

.slide-desc {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent-yellow);
    color: var(--primary-blue-dark);
    box-shadow: 0 4px 20px rgba(244, 196, 48, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(244, 196, 48, 0.5);
}

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

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

/* Slideshow Navigation */
.slideshow-nav {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 20;
}

.slide-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.slide-dot.active {
    background: var(--accent-yellow);
    transform: scale(1.3);
}

/* ================================================
   FEATURES SECTION
   ================================================ */
.features {
    padding: 5rem 2rem;
    background: var(--light-gray);
}

.features-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-yellow));
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: var(--white);
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.feature-text {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ================================================
   ABOUT SECTION
   ================================================ */
.about {
    padding: 7rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.about-img-placeholder {
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 8rem;
    position: relative;
    overflow: hidden;
}

.about-img-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--accent-yellow);
    color: var(--primary-blue-dark);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.about-badge span {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.about-badge small {
    font-size: 0.85rem;
    font-weight: 500;
}

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

.section-tag {
    display: inline-block;
    background: rgba(26, 75, 140, 0.1);
    color: var(--primary-blue);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.about-title {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.about-title span {
    color: var(--primary-blue);
}

.about-text {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-list {
    margin-bottom: 2rem;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-dark);
}

.about-list li i {
    width: 24px;
    height: 24px;
    background: var(--accent-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue-dark);
    font-size: 0.8rem;
    font-weight: 700;
}

/* ================================================
   SERVICES SECTION
   ================================================ */
.services {
    padding: 7rem 2rem;
    background: linear-gradient(180deg, var(--light-gray) 0%, var(--white) 100%);
}

.services-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.services-title {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.services-subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
}

.services-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.service-image {
    height: 280px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.service-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, var(--white), transparent);
}

.service-image-placeholder {
    height: 280px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 5rem;
    position: relative;
}

.service-image-placeholder::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, var(--white), transparent);
}

.service-content {
    padding: 2rem;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.service-text {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-list {
    margin-bottom: 1.5rem;
}

.service-list li {
    color: var(--text-dark);
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.service-list li i {
    color: var(--accent-yellow-dark);
    font-weight: 700;
}

.service-link {
    color: var(--primary-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:hover {
    color: var(--accent-yellow-dark);
    gap: 0.75rem;
}

/* ================================================
   PORTFOLIO SECTION
   ================================================ */
.portfolio {
    padding: 7rem 2rem;
    background: var(--white);
}

.portfolio-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.portfolio-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.portfolio-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    height: 350px;
    cursor: pointer;
}

.portfolio-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-bg {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(26, 75, 140, 0.9), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    background: linear-gradient(to top, rgba(26, 75, 140, 0.95), rgba(26, 75, 140, 0.7));
}

.portfolio-category {
    color: var(--accent-yellow);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.portfolio-title {
    color: var(--white);
    font-size: 1.35rem;
    font-weight: 600;
}

/* ================================================
   TESTIMONIALS
   ================================================ */
.testimonials {
    padding: 7rem 2rem;
    background: var(--primary-blue);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '"';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 30rem;
    color: rgba(255, 255, 255, 0.03);
    font-weight: 700;
    line-height: 1;
}

.testimonials-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
    position: relative;
    z-index: 1;
}

.testimonials-title {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.testimonials-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

.testimonials-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-text {
    color: var(--white);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: var(--accent-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue-dark);
    font-weight: 700;
    font-size: 1.2rem;
}

.testimonial-info h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
}

.testimonial-info span {
    color: var(--accent-yellow);
    font-size: 0.85rem;
}

/* ================================================
   CONTACT SECTION
   ================================================ */
.contact {
    padding: 7rem 2rem;
    background: var(--light-gray);
}

.contact-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.contact-info h2 span {
    color: var(--primary-blue);
}

.contact-info > p {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.contact-text p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(26, 75, 140, 0.1);
}

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

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: var(--white);
    padding: 1.25rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(26, 75, 140, 0.3);
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
    background: var(--primary-blue-dark);
    color: var(--white);
    padding: 5rem 2rem 2rem;
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
}

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

.footer-brand .logo-text span {
    color: var(--accent-yellow);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent-yellow);
    color: var(--primary-blue-dark);
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-yellow);
    padding-left: 5px;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-bottom-links a:hover {
    color: var(--accent-yellow);
}

/* ================================================
   RESPONSIVE STYLES
   ================================================ */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .slide-title {
        font-size: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-content {
        padding-right: 0;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .slide-title {
        font-size: 2rem;
    }
    
    .slide-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .header-inner {
        padding: 1rem;
    }
    
    .hero {
        min-height: 500px;
    }
    
    .slide-content {
        padding: 0 1rem;
    }
    
    .slide-title {
        font-size: 1.75rem;
    }
    
    .about-title,
    .services-title,
    .portfolio-title,
    .testimonials-title,
    .contact-info h2 {
        font-size: 2rem;
    }
    
    .about-badge {
        right: 10px;
        bottom: -10px;
        padding: 1rem 1.5rem;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-yellow), var(--accent-yellow-light));
    color: var(--primary-blue-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(244, 196, 48, 0.4);
    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);
    box-shadow: 0 8px 25px rgba(244, 196, 48, 0.5);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}