/* =============================================
   HART SOUND & AIR TESTING LTD — STYLESHEET
   Professional, modern, clean design
   ============================================= */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Brand colours — Green & White */
    --primary:       #1a7a3d;
    --primary-dark:  #0f5c2b;
    --primary-light: #27ae60;
    --accent:        #1a7a3d;
    --accent-dark:   #0f5c2b;
    --accent-light:  #48c774;

    /* Neutrals */
    --dark:          #1a1a2e;
    --gray-900:      #2d2d44;
    --gray-700:      #4a4a68;
    --gray-500:      #7c7c98;
    --gray-300:      #b8b8cc;
    --gray-100:      #f0f0f5;
    --white:         #ffffff;

    /* Feedback */
    --success:       #1a7a3d;
    --error:         #e74c3c;

    /* Typography */
    --font-primary:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display:  'Playfair Display', Georgia, serif;

    /* Spacing */
    --section-pad:   6rem 0;
    --container-max: 1200px;

    /* Effects */
    --shadow-sm:     0 2px 8px rgba(0,0,0,0.06);
    --shadow-md:     0 8px 30px rgba(0,0,0,0.08);
    --shadow-lg:     0 20px 60px rgba(0,0,0,0.12);
    --radius-sm:     8px;
    --radius-md:     12px;
    --radius-lg:     20px;
    --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--section-pad);
}

/* ===== SECTION HEADERS ===== */
.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--dark);
    line-height: 1.25;
    margin-bottom: 1rem;
}

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

.section-desc {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 122, 61, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: 0.6rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    z-index: 10;
}

.logo-img {
    height: 44px;
    width: auto;
    border-radius: 6px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.logo-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--white);
    transition: var(--transition);
}

.logo-suffix {
    font-size: 0.7rem;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    letter-spacing: 1px;
    transition: var(--transition);
}

.navbar.scrolled .logo-name {
    color: var(--dark);
}

.navbar.scrolled .logo-suffix {
    color: var(--gray-500);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    border-radius: 50px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.12);
}

.navbar.scrolled .nav-link {
    color: var(--gray-700);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--primary);
    background: var(--gray-100);
}

.nav-cta {
    background: var(--accent) !important;
    color: var(--white) !important;
    margin-left: 0.5rem;
}

.nav-cta:hover {
    background: var(--accent-dark) !important;
    transform: translateY(-1px);
}

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after  { top: 7px;  }

.navbar.scrolled .hamburger,
.navbar.scrolled .hamburger::before,
.navbar.scrolled .hamburger::after {
    background: var(--dark);
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(15, 92, 43, 0.7);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 92, 43, 0.55) 0%, rgba(26, 122, 61, 0.45) 50%, rgba(39, 174, 96, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 9rem 1.5rem 6rem;
    max-width: 800px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-logo {
    margin-bottom: 2rem;
}

.hero-logo-img {
    height: 240px;
    width: auto;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    border: 4px solid rgba(255,255,255,0.25);
    transition: transform 0.3s ease;
}

.hero-logo-img:hover {
    transform: scale(1.05);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.hero-badge i {
    color: #a8f0c0;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    color: #a8f0c0;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3.5rem;
}

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

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-suffix {
    font-size: 1.4rem;
    font-weight: 700;
    color: #a8f0c0;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    margin-top: 0.25rem;
    letter-spacing: 0.3px;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 3;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

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

.about-image-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3.5;
}

.about-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: rgba(255,255,255,0.5);
    gap: 1rem;
}

.image-placeholder i {
    font-size: 4rem;
}

.image-placeholder span {
    font-size: 0.9rem;
    font-weight: 500;
}

.experience-badge {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    background: var(--accent);
    color: var(--white);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.exp-text {
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.3;
}

.about-content .section-tag {
    display: block;
}

.about-text {
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
    color: var(--gray-700);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-900);
}

.about-feature i {
    color: var(--success);
    font-size: 1.1rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

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

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

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

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.service-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--gray-500);
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

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

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-700);
    padding: 0.35rem 0;
}

.service-features li i {
    color: var(--success);
    font-size: 0.8rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
}

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

/* ===== PROCESS ===== */
.process-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.process-step {
    text-align: center;
    padding: 2rem 1.5rem;
    flex: 1;
    position: relative;
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-100);
    line-height: 1;
    margin-bottom: 1rem;
}

.step-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    box-shadow: 0 8px 25px rgba(26, 122, 61, 0.25);
}

.step-icon i {
    font-size: 1.4rem;
    color: var(--white);
}

.process-step h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.process-step p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

.process-connector {
    display: flex;
    align-items: center;
    padding-top: 5rem;
    color: var(--gray-300);
    font-size: 1.2rem;
}

/* ===== WHY US ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    transition: var(--transition);
}

.feature-icon i {
    font-size: 1.4rem;
    color: var(--primary);
    transition: var(--transition);
}

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

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

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: var(--gray-100);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.testimonial-stars {
    display: flex;
    gap: 0.2rem;
    margin-bottom: 1.25rem;
}

.testimonial-stars i {
    color: #f5b731;
    font-size: 0.9rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--gray-700);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.author-avatar {
    width: 44px;
    height: 44px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-avatar i {
    color: var(--gray-500);
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
    color: var(--dark);
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* ===== CONTACT ===== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--gray-500);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

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

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon i {
    font-size: 1.1rem;
    color: var(--primary);
}

.contact-item h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.15rem;
}

.contact-item a,
.contact-item p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

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

/* Contact Form */
.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
}

.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--dark);
    background: var(--gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-light);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(41, 128, 185, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-300);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.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='%237c7c98' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-top: 1.25rem;
    color: rgba(255,255,255,0.5);
}

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

.footer-brand .logo-suffix {
    color: rgba(255,255,255,0.5);
}

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

.footer-links li,
.footer-contact li {
    margin-bottom: 0.6rem;
}

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

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact li i {
    color: var(--accent);
    font-size: 0.8rem;
    width: 16px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-2px);
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #25D366;
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 99;
    transition: all 0.3s ease;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-btn i {
    font-size: 1.5rem;
}

.whatsapp-btn:hover {
    background: #1ebe5c;
    transform: scale(1.05);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
    color: #fff;
    animation: none;
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.6); }
}

@media (max-width: 480px) {
    .whatsapp-btn .whatsapp-label {
        display: none;
    }
    .whatsapp-btn {
        padding: 0.9rem;
        border-radius: 50%;
    }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

/* ===== 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);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-grid {
        gap: 3rem;
    }

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-pad: 4rem 0;
    }

    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 6rem 2rem 2rem;
        gap: 0.5rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        color: var(--gray-700);
        font-size: 1rem;
        width: 100%;
        padding: 0.75rem 1rem;
    }

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

    .nav-cta {
        margin-left: 0;
        margin-top: 0.5rem;
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    /* Overlay when menu is open */
    .nav-menu.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: -100vw;
        width: 100vw;
        height: 100vh;
        background: rgba(0,0,0,0.4);
    }

    .hero-content {
        padding: 7rem 0 5rem;
    }

    .hero-logo-img {
        height: 160px;
        border-radius: 12px;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    .about-image-card {
        aspect-ratio: 16/9;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .process-grid {
        flex-direction: column;
        align-items: center;
    }

    .process-connector {
        padding-top: 0;
        transform: rotate(90deg);
        padding: 0.5rem 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .contact-form-wrap {
        padding: 1.5rem;
    }
}

/* ===== FORM SUCCESS STATE ===== */
.form-success {
    text-align: center;
    padding: 3rem 2rem;
}

.form-success i {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: 1rem;
}

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

.form-success p {
    color: var(--gray-500);
    font-size: 1rem;
}

/* ===== TOPBAR ===== */
.topbar {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.8);
    font-size: 0.8rem;
    padding: 0.5rem 0;
    position: relative;
    z-index: 1001;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar-left span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.topbar-left i {
    color: var(--accent-light);
}

.topbar-right {
    display: flex;
    gap: 1.5rem;
}

.topbar-right a {
    color: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 500;
}

.topbar-right a:hover {
    color: var(--white);
}

.topbar-right i {
    color: var(--accent-light);
}

/* ===== TRUST BAR ===== */
.trust-bar {
    padding: 3rem 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
}

.trust-label {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 2rem;
}

.trust-items {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    min-width: 100px;
}

.trust-item i {
    font-size: 2rem;
    color: var(--primary);
    opacity: 0.7;
}

.trust-item span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== MISSION BOX ===== */
.mission-box {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    padding: 1.5rem 2rem;
    margin: 1.75rem 0;
    position: relative;
}

.mission-box i {
    color: rgba(255,255,255,0.3);
    font-size: 1.5rem;
    position: absolute;
    top: 1rem;
    left: 1.25rem;
}

.mission-box p {
    color: var(--white);
    font-style: italic;
    font-size: 0.95rem;
    line-height: 1.7;
    padding-left: 2rem;
    margin: 0;
}

/* ===== SERVICE DETAIL BOX ===== */
.service-detail-box {
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    margin: 1.25rem 0 1.5rem;
    border-left: 3px solid var(--primary);
}

.service-detail-box h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.service-detail-box h4 i {
    color: var(--primary);
}

.service-detail-box ul {
    padding-left: 0;
}

.service-detail-box ul li {
    font-size: 0.85rem;
    color: var(--gray-700);
    padding: 0.2rem 0;
}

.service-detail-box p {
    font-size: 0.85rem;
    color: var(--gray-700);
    line-height: 1.6;
    margin: 0;
}

/* ===== CTA BANNER ===== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 3.5rem 0;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cta-text h2 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    color: var(--white);
    margin-bottom: 0.4rem;
}

.cta-text p {
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
    transform: translateY(-2px);
}

/* ===== REGULATIONS ===== */
.reg-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.reg-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
}

.reg-header-bar {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.reg-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.reg-icon i {
    font-size: 1.2rem;
    color: var(--white);
}

.reg-header-bar h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
}

.reg-header-bar h3 span {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    margin-top: 0.1rem;
}

.reg-body {
    padding: 2rem;
}

.reg-body h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin: 1.5rem 0 0.75rem;
}

.reg-body h4:first-child {
    margin-top: 0;
}

.reg-body p {
    font-size: 0.9rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.reg-body ul {
    margin-bottom: 1rem;
}

.reg-body ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-700);
    padding: 0.3rem 0;
}

.reg-body ul li i {
    color: var(--primary);
    font-size: 0.7rem;
    margin-top: 0.35rem;
    flex-shrink: 0;
}

.reg-table-wrap {
    overflow-x: auto;
    margin-top: 0.5rem;
}

.reg-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.reg-table thead {
    background: var(--primary);
}

.reg-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    color: var(--white);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.reg-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.reg-table tbody tr:hover {
    background: var(--gray-100);
}

/* ===== SITE CONDITIONS ===== */
.site-conditions {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-top: 1rem;
}

.conditions-header {
    text-align: center;
    margin-bottom: 2rem;
}

.conditions-header i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.conditions-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.conditions-header p {
    font-size: 0.95rem;
    color: var(--gray-500);
}

.conditions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.condition-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--white);
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-900);
}

.condition-item i {
    color: var(--primary);
    font-size: 1rem;
    flex-shrink: 0;
}

/* ===== ACCREDITATIONS ===== */
.accreditations {
    margin-top: 3.5rem;
    text-align: center;
}

.accreditations h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 2rem;
}

.accred-items {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.accred-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 2rem;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    min-width: 140px;
    transition: var(--transition);
}

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

.accred-item i {
    font-size: 2rem;
    color: var(--primary);
}

.accred-item span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
    line-height: 1.4;
}

/* ===== FAQ ===== */
.faq {
    background: var(--gray-100);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid transparent;
    transition: var(--transition);
}

.faq-item.active {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question i {
    font-size: 0.8rem;
    color: var(--gray-500);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.95rem;
    color: var(--gray-700);
    line-height: 1.8;
}

/* ===== CALLBACK BOX ===== */
.callback-box {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 2rem;
}

.callback-box h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.callback-box h4 i {
    color: var(--primary);
}

.callback-box p {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
}

.callback-form {
    display: flex;
    gap: 0.5rem;
}

.callback-form input {
    flex: 1;
    padding: 0.7rem 1rem;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    background: var(--white);
    outline: none;
    transition: var(--transition);
}

.callback-form input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(26, 122, 61, 0.1);
}

.callback-form .btn {
    flex-shrink: 0;
}

/* ===== FORM NOTE ===== */
.form-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.form-note i {
    color: var(--primary);
}

/* ===== TESTIMONIALS 4-COLUMN ===== */
.testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
}

/* ===== RESPONSIVE: NEW SECTIONS ===== */
@media (max-width: 1024px) {
    .reg-grid {
        grid-template-columns: 1fr;
    }

    .conditions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .topbar {
        display: none;
    }

    .cta-inner {
        flex-direction: column;
        text-align: center;
    }

    .cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .conditions-grid {
        grid-template-columns: 1fr;
    }

    .accred-items {
        gap: 1.5rem;
    }

    .accred-item {
        min-width: auto;
        padding: 1rem 1.5rem;
    }

    .trust-items {
        gap: 1.5rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .callback-form {
        flex-direction: column;
    }

    .site-conditions {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .trust-items {
        gap: 1rem;
    }

    .trust-item i {
        font-size: 1.5rem;
    }

    .accred-items {
        gap: 1rem;
    }
}