/* ===================================
   CSS RESET & BASE STYLES
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --color-primary: #ffb200;
    --color-primary-dark: #e6a000;
    --color-black: #0a0a0a;
    --color-gray-dark: #2a2a2a;
    --color-gray: #666666;
    --color-gray-light: #f5f5f5;
    --color-white: #ffffff;
    
    /* Typography */
    --font-family: 'Poppins', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

/* ===================================
   PERFORMANCE OPTIMIZATIONS
   =================================== */

/* Prevent flash of unstyled content */
body {
    opacity: 0;
    animation: fadeInBody 0.3s ease forwards;
}

@keyframes fadeInBody {
    to {
        opacity: 1;
    }
}

/* Hardware acceleration for smooth animations */
.header,
.hero,
.service-card,
.process-step,
.choose-card,
.testimonial-card {
    will-change: transform;
    transform: translateZ(0);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

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

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

ul {
    list-style: none;
}

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

/* Section */
.section {
    padding: var(--spacing-xxl) 0;
    overflow-x: hidden;
}

/* Section Headers */
.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-sm);
}

.section__title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section__description {
    font-size: 1.125rem;
    color: var(--color-gray);
    max-width: 700px;
    margin: 0 auto;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-medium);
    border: none;
    text-align: center;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn--secondary:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

.btn--large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

.btn--full {
    width: 100%;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===================================
   HEADER & NAVIGATION
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-black);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-medium);
}

.header.scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100px;
    width: 100%;
}

.nav__logo {
    display: flex;
    align-items: center;
    margin-right: 3rem;
    flex-shrink: 0;
}

.logo-img {
    width: 120px;
    height: auto;
    object-fit: contain;
}

.logo-text {
    display: none;
}

.nav__menu {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    flex-wrap: nowrap;
}

.nav__link {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    padding: var(--spacing-xs) 0;
    position: relative;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__cta {
    background-color: var(--color-primary);
    color: var(--color-black);
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
}

.nav__cta:hover {
    background-color: var(--color-primary-dark);
}

.nav__cta::after {
    display: none;
}

/* Mobile Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav__toggle-bar {
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    transition: var(--transition-fast);
}

.nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding-top: 80px;
    position: relative;
    /* Optimize rendering */
    will-change: transform;
    transform: translateZ(0);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.7), rgba(42, 42, 42, 0.6));
    z-index: 0;
}

.hero__container {
    padding: var(--spacing-xxl) var(--spacing-md);
    position: relative;
    z-index: 1;
    width: 100%;
    /* Center the inner content block */
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__content {
    max-width: 800px;
    width: auto;
    margin: 0 auto;
    /* Center content */
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Fade in on load */
    animation: fadeInHero 0.6s ease forwards;
}

@keyframes fadeInHero {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    /* Force centered heading */
    text-align: center;
    max-width: 100%;
}

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

.hero__description {
    font-size: 1.25rem;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    /* Center for better alignment */
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-md);
}

/* ===================================
   ABOUT SECTION
   =================================== */

.about__container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about__top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about__content {
    opacity: 0;
}

.section-tag {
    animation-delay: 0.1s;
}

.about__text {
    font-size: 1.063rem;
    color: var(--color-gray);
    margin-bottom: 0;
    line-height: 1.8;
}

.about__image {
    position: relative;
    opacity: 0;
}

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

.about__badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--color-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.badge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.badge-text {
    display: flex;
    flex-direction: column;
    color: var(--color-black);
}

.badge-text strong {
    font-weight: var(--font-weight-bold);
    font-size: 1rem;
}

.badge-text span {
    font-size: 0.875rem;
}

.about__cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.value-item {
    background-color: var(--color-gray-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.value-icon {
    flex-shrink: 0;
}

.value-content {
    flex: 1;
}

.value-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.value-text {
    font-size: 0.875rem;
    color: var(--color-gray);
    line-height: 1.6;
}

/* ===================================
   SERVICES SECTION
   =================================== */

.services {
    background-color: var(--color-gray-light);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-medium);
    opacity: 0;
}

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

.service-icon {
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: 1.375rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    font-size: 0.938rem;
    color: var(--color-gray);
    line-height: 1.7;
}

/* ===================================
   PROCESS SECTION
   =================================== */

.process__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    max-width: 100%;
    margin: 0 auto;
}

.process-step {
    background: linear-gradient(135deg, var(--color-gray-dark) 0%, var(--color-black) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    position: relative;
    opacity: 0;
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
    min-height: 380px;
}

.process-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
}

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

.process-step:hover .step-number {
    transform: scale(1.1);
}

.step-number {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-md);
    transition: var(--transition-medium);
}

.step-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.step-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: var(--spacing-md) 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.step-icon::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background-color: rgba(255, 178, 0, 0.3);
}

.step-icon::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background-color: rgba(255, 178, 0, 0.3);
}

.step-icon svg {
    stroke: var(--color-white);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.step-description {
    font-size: 0.938rem;
    color: var(--color-gray-light);
    line-height: 1.6;
    margin-top: auto;
}

/* ===================================
   WHY CHOOSE US SECTION
   =================================== */

.why-choose {
    background-color: var(--color-gray-light);
}

.why-choose__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.choose-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-medium);
    opacity: 0;
}

.choose-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.choose-icon {
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.choose-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.choose-description {
    font-size: 0.938rem;
    color: var(--color-gray);
    line-height: 1.7;
}

/* ===================================
   CTA SECTION
   =================================== */

.cta-section {
    background-color: var(--color-white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.cta__container {
    max-width: 800px;
}

.cta__title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.cta__text {
    font-size: 1.125rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */

.testimonials {
    background-color: var(--color-gray-light);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    opacity: 0;
}

.testimonial-stars {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-gray-dark);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial-author strong {
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact {
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
}

.contact__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl) auto;
}

.contact__description {
    font-size: 1.063rem;
    color: var(--color-gray);
    line-height: 1.7;
    margin-top: var(--spacing-md);
}

.contact__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-medium);
    text-decoration: none;
    color: inherit;
    border: 2px solid transparent;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary);
}

.contact-card--info {
    cursor: default;
}

.contact-card--info:hover {
    transform: translateY(-2px);
    border-color: transparent;
}

.contact-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.contact-card:hover .contact-card__icon {
    transform: scale(1.1);
}

.contact-card__icon svg {
    color: var(--color-white);
    flex-shrink: 0;
}

.contact-card__icon--whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

.contact-card__content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-card__label {
    font-size: 0.813rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-card__value {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-black);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer__logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.footer__tagline {
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
    font-size: 0.938rem;
}

.footer__certification {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    font-size: 0.875rem;
}

.footer__title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__list li {
    font-size: 0.938rem;
    color: var(--color-gray);
}

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

.footer__logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer__logo-img {
    width: 200px;
    height: auto;
    object-fit: contain;
    opacity: 0.9;
    transition: var(--transition-medium);
}

.footer__logo-img:hover {
    opacity: 1;
    transform: scale(1.05);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-dark);
}

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

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */

.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-black);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-medium);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.scroll-top:active {
    transform: translateY(-1px);
}

.scroll-top__icon {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

/* ===================================
   ICON STYLING
   =================================== */

/* All SVG icons set to black */
.value-icon svg,
.service-icon svg,
.choose-icon svg,
.detail-icon svg,
.badge-icon svg,
.step-icon svg {
    stroke: var(--color-black);
}

/* Specific overrides for icons on dark backgrounds */
.step-icon svg {
    stroke: var(--color-white);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 968px) {
    /* Navigation */
    .nav {
        height: 80px;
    }
    
    .nav__logo {
        margin-right: 0;
    }
    
    .logo-img {
        width: 80px;
    }
    
    .nav__menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: calc(100vh - 80px);
        background-color: var(--color-black);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg);
        transition: var(--transition-medium);
    }
    
    .nav__menu.show {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .nav__toggle {
        display: flex;
    }
    
    /* Hero */
    .hero {
        padding-top: 80px;
        background-attachment: scroll;
    }
    
    .hero__title {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .hero__description {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }
    
    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero__buttons .btn {
        width: 100%;
    }
    
    /* About */
    .about__top {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .about__text {
        font-size: 0.938rem;
    }
    
    .about__cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .value-item {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .value-icon {
        margin-bottom: var(--spacing-sm);
    }
    
    /* Services */
    .services__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Process - Two columns on tablet */
    .process__steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .process-step {
        min-height: 320px;
        padding: var(--spacing-md);
    }
    
    .step-number {
        font-size: 2.5rem;
    }
    
    /* Why Choose */
    .why-choose__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Testimonials */
    .testimonials__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Contact */
    .contact__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Footer */
    .footer__content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
    
    .footer__logo-img {
        width: 120px;
    }
}

@media (max-width: 640px) {
    /* Container */
    .container {
        padding: 0 1rem;
        max-width: 100%;
    }
    
    /* Section */
    .section {
        padding: var(--spacing-xl) 0;
        overflow-x: hidden;
    }
    
    /* Typography */
    .section__title {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .section__description {
        font-size: 1rem;
    }
    
    /* Navigation */
    .nav {
        height: 70px;
        padding: 0 1rem;
        max-width: 100%;
    }
    
    .logo-img {
        width: 50px;
    }
    
    .nav__toggle {
        margin-right: var(--spacing-xs);
    }
    
    .nav__menu {
        top: 70px;
        height: calc(100vh - 70px);
        width: 100%;
        max-width: 100%;
        padding: var(--spacing-md);
    }
    
    .nav__cta {
        padding: 0.75rem 1.5rem;
        width: 100%;
        text-align: center;
    }
    
    /* Hero */
    .hero {
        min-height: 100vh;
        padding-top: 70px;
        padding-bottom: var(--spacing-xl);
        display: flex;
        align-items: center;
        justify-content: center;
        background-attachment: scroll;
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    .hero__container {
        padding: var(--spacing-md) 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: calc(100vh - 70px);
        max-width: 100%;
    }
    
    .hero__content {
        max-width: 100%;
        text-align: center;
        width: 100%;
    }
    
    .hero__title {
        font-size: 1.625rem;
        line-height: 1.25;
        margin-bottom: var(--spacing-sm);
    }
    
    .hero__description {
        font-size: 0.875rem;
        line-height: 1.5;
        margin-bottom: var(--spacing-md);
    }
    
    .hero__buttons {
        gap: var(--spacing-sm);
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.938rem;
        width: 100%;
    }
    
    .btn--large {
        padding: 1rem 1.75rem;
        font-size: 1rem;
    }
    
    /* About */
    .about__top {
        gap: var(--spacing-md);
    }
    
    .about__text {
        font-size: 0.875rem;
        margin-bottom: var(--spacing-md);
    }
    
    .about__image {
        margin-bottom: var(--spacing-md);
    }
    
    .about__badge {
        bottom: -10px;
        right: -10px;
        padding: var(--spacing-sm);
    }
    
    .badge-text strong {
        font-size: 0.875rem;
    }
    
    .badge-text span {
        font-size: 0.75rem;
    }
    
    .about__cards {
        margin-top: var(--spacing-sm);
    }
    
    .value-item {
        padding: var(--spacing-sm);
    }
    
    .value-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .value-title {
        font-size: 1rem;
    }
    
    .value-text {
        font-size: 0.813rem;
    }
    
    /* Services */
    .service-card {
        padding: var(--spacing-md);
    }
    
    .service-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .service-title {
        font-size: 1.25rem;
    }
    
    .service-description {
        font-size: 0.875rem;
    }
    
    /* Process - Single column on mobile */
    .process__steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .process-step {
        min-height: 280px;
        padding: var(--spacing-md);
    }
    
    .step-number {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .step-title {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .step-icon {
        width: 60px;
        height: 60px;
        margin: var(--spacing-sm) 0;
    }
    
    .step-icon svg {
        width: 48px;
        height: 48px;
    }
    
    .step-description {
        font-size: 0.875rem;
    }
    
    /* Why Choose */
    .choose-card {
        padding: var(--spacing-md);
    }
    
    .choose-icon svg {
        width: 48px;
        height: 48px;
    }
    
    .choose-title {
        font-size: 1.125rem;
    }
    
    .choose-description {
        font-size: 0.875rem;
    }
    
    /* CTA */
    .cta-section {
        padding: var(--spacing-xl) 0;
    }
    
    .cta__title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .cta__text {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }
    
    /* Testimonials */
    .testimonial-card {
        padding: var(--spacing-md);
    }
    
    .testimonial-text {
        font-size: 0.938rem;
    }
    
    /* Contact */
    .contact__description {
        font-size: 0.938rem;
    }
    
    .contact-detail {
        padding: var(--spacing-sm);
    }
    
    .detail-icon svg {
        width: 28px;
        height: 28px;
    }
    
    .contact__form-wrapper {
        padding: var(--spacing-md);
    }
    
    .form-group label {
        font-size: 0.938rem;
    }
    
    .form-group input,
    .form-group textarea {
        font-size: 0.938rem;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-md) 0 var(--spacing-sm);
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer__logo {
        font-size: 1.25rem;
    }
    
    .footer__tagline,
    .footer__list li {
        font-size: 0.875rem;
    }
    
    .footer__logo-img {
        width: 100px;
    }
    
    .footer__logo-container {
        justify-content: flex-start;
    }
    
    /* Scroll to Top Button */
    .scroll-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
    
    .scroll-top__icon {
        font-size: 1.25rem;
    }
}

/* Extra small devices */
@media (max-width: 375px) {
    .nav {
        padding: 0 0.75rem;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    .logo-img {
        width: 45px;
    }
    
    .hero__title {
        font-size: 1.5rem;
    }
    
    .hero__description {
        font-size: 0.813rem;
    }
    
    .hero__container {
        padding: var(--spacing-sm) 0.75rem;
    }
    
    .section__title {
        font-size: 1.5rem;
    }
}
/* ===================================
   WHATSAPP CHAT WIDGET
   =================================== */

.whatsapp-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
}

.whatsapp-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    animation: pulse-whatsapp 2s infinite;
}

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

.whatsapp-button svg {
    width: 32px;
    height: 32px;
    fill: var(--color-white);
}

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

.whatsapp-chat-box {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8) translateY(20px);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    overflow: hidden;
}

.whatsapp-chat-box.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
}

.whatsapp-chat-header {
    background: linear-gradient(135deg, #128C7E 0%, #075E54 100%);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.whatsapp-chat-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.whatsapp-chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.whatsapp-chat-info h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 4px;
}

.whatsapp-chat-status {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.whatsapp-online-dot {
    width: 8px;
    height: 8px;
    background: #25D366;
    border-radius: 50%;
    display: inline-block;
}

.whatsapp-chat-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.whatsapp-chat-close:hover {
    transform: rotate(90deg);
}

.whatsapp-chat-body {
    padding: 20px;
    background: #ECE5DD;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.whatsapp-message {
    background: var(--color-white);
    padding: 12px 15px;
    border-radius: 8px;
    max-width: 80%;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    position: relative;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.whatsapp-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: -8px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 8px 8px 0;
    border-color: transparent var(--color-white) transparent transparent;
}

.whatsapp-message p {
    color: var(--color-gray-dark);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.whatsapp-message-time {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray);
    margin-top: 6px;
    text-align: right;
}

.whatsapp-chat-footer {
    padding: 15px 20px;
    background: var(--color-white);
    border-top: 1px solid #E0E0E0;
}

.whatsapp-start-chat {
    width: 100%;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--color-white);
    border: none;
    padding: 14px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.whatsapp-start-chat:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-start-chat svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Responsive adjustments for WhatsApp widget */
@media (max-width: 768px) {
    .whatsapp-widget {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-button {
        width: 56px;
        height: 56px;
    }
    
    .whatsapp-button svg {
        width: 28px;
        height: 28px;
    }
    
    .whatsapp-chat-box {
        width: calc(100vw - 40px);
        max-width: 350px;
    }
}

@media (max-width: 480px) {
    .whatsapp-chat-box {
        bottom: 75px;
        right: -10px;
        width: calc(100vw - 20px);
    }
}