/* ===================================
   NANA 子恩 美髮工作室
   Magazine-style Design
   Inspired by promeat.chipsa.design
   =================================== */

/* ===================================
   0. PAGE LOADER
   =================================== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-light) 0%, var(--color-white) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.page-loader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    animation: loaderFadeIn 0.8s ease-in-out;
}

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

.loader-icon {
    font-size: 3rem;
    color: var(--color-primary);
    display: block;
    margin-bottom: 1rem;
    animation: loaderIconRotate 3s ease-in-out infinite;
}

.loader-text {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: 3px;
    display: block;
    margin-bottom: 1rem;
    animation: loaderTextPulse 2s ease-in-out infinite;
}

.loader-line {
    width: 60px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 0 auto;
    animation: loaderLineExpand 1.5s ease-in-out infinite;
}

.loader-spinner {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.spinner-dot {
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
    animation: loaderDotBounce 1.4s ease-in-out infinite both;
}

.spinner-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.spinner-dot:nth-child(2) {
    animation-delay: -0.16s;
}

.spinner-dot:nth-child(3) {
    animation-delay: 0s;
}

/* Loader Animations */
@keyframes loaderFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loaderTextPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

@keyframes loaderIconRotate {
    0%, 100% {
        transform: rotate(-15deg);
    }
    50% {
        transform: rotate(15deg);
    }
}

@keyframes loaderLineExpand {
    0%, 100% {
        width: 60px;
        opacity: 1;
    }
    50% {
        width: 100px;
        opacity: 0.7;
    }
}

@keyframes loaderDotBounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* Mobile Loader Adjustments */
@media (max-width: 767px) {
    .loader-text {
        font-size: 2rem;
        letter-spacing: 2px;
    }

    .loader-line {
        width: 50px;
    }

    .spinner-dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 575px) {
    .loader-text {
        font-size: 1.75rem;
    }

    .loader-line {
        width: 40px;
        height: 2px;
    }

    .spinner-dot {
        width: 8px;
        height: 8px;
    }
}

/* ===================================
   1. ROOT VARIABLES & RESET
   =================================== */
:root {
    /* Color Palette - Natural Tones */
    --color-primary: #8B7355;
    --color-secondary: #D4A574;
    --color-accent: #A68A6D;
    --color-dark: #2C2416;
    --color-light: #F5F1EB;
    --color-white: #FFFFFF;
    --color-gray: #9B8B7E;
    --color-gray-light: #E8E3DD;

    /* Typography */
    --font-primary: 'Noto Sans TC', sans-serif;
    --font-secondary: 'Noto Serif TC', serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-max-width: 1200px;

    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--color-dark);
    background-color: var(--color-white);
    line-height: 1.7;
    overflow-x: hidden !important;
}

body.loading {
    overflow: hidden;
}

section {
    overflow-x: hidden !important;
}

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

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

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

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

.container {
    max-width: var(--container-max-width);
}

/* ===================================
   2. TYPOGRAPHY
   =================================== */
.section-tag {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 40px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 1px;
    background-color: var(--color-primary);
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-dark);
    margin-bottom: 1.5rem;
}

.title-divider {
    width: 60px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 1.5rem 0;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.8;
    max-width: 800px;
}

/* ===================================
   3. NAVIGATION
   =================================== */
.navbar {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    padding: 1rem 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: 1px;
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-dark);
    padding: 0.5rem 1.25rem !important;
    position: relative;
    transition: var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 30px;
}

@media (max-width: 992px) {
    .nav-link::after {
        left: 12px;
        transform: translateX(12px);
    }
}

/* ===================================
   4. HERO SECTION
   =================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--color-dark);
    color: var(--color-white);
    overflow: hidden;
    padding-top: 80px; /* Add padding to prevent navbar overlap */
}

.hero-backstretch {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1560066984-138dadb4c035?w=1920') center/cover no-repeat;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 36, 22, 0.85) 0%, rgba(139, 115, 85, 0.7) 100%);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 700px;
}

.hero-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-secondary);
    padding: 0.5rem 1.5rem;
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 300;
    line-height: 1.4;
    margin-bottom: 1.5rem;
    color: var(--color-light);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-gray-light);
    margin-bottom: 2rem;
}

.hero-promo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    padding: 1rem 0;
}

.promo-badge {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.promo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-secondary);
}

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-white);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background-color: var(--color-white);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0; transform: translateY(-20px); }
    50% { opacity: 1; transform: translateY(0); }
}

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

.about-images {
    position: relative;
    padding: 2rem;
}

.about-image-main {
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.about-image-main img {
    width: 100%;
    object-fit: cover;
    aspect-ratio: 3/4;
}

.about-image-secondary {
    position: absolute;
    bottom: -20px;
    right: 5px;
    width: 50%;
    z-index: 3;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.about-image-secondary img {
    width: 100%;
    object-fit: cover;
    aspect-ratio: 1/1;
}

.about-content {
    padding: 2rem 0;
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.about-features {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    text-align: center;
}

.feature-number {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

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

/* ===================================
   6. SERVICES SECTION
   =================================== */
.services-section {
    background-color: var(--color-light);
}

.service-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    height: 100%;
    transition: var(--transition-smooth);
    border-left: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    border-left-color: var(--color-primary);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-title {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.service-description {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.service-features li {
    font-size: 0.95rem;
    color: var(--color-dark);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-price {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: auto;
}

/* Price List Card */
.price-list-card {
    background-color: var(--color-white);
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.price-list-title {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 2rem;
    text-align: center;
}

.price-category {
    margin-bottom: 2.5rem;
}

.price-category-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-gray-light);
}

.price-items {
    padding-left: 1rem;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px dashed var(--color-gray-light);
}

.price-item:last-child {
    border-bottom: none;
}

.price-name {
    font-size: 1rem;
    color: var(--color-dark);
}

.price-value {
    font-weight: 600;
    color: var(--color-primary);
}

.price-subcategory {
    font-weight: 600;
    color: var(--color-dark);
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.price-note {
    font-size: 0.875rem;
    color: var(--color-gray);
    font-style: italic;
    margin-top: 0.5rem;
    margin-bottom: 0;
}

/* ===================================
   7. PORTFOLIO SECTION
   =================================== */
.portfolio-section {
    background-color: var(--color-white);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: transparent;
    border: 2px solid var(--color-gray-light);
    color: var(--color-dark);
    padding: 0.75rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.portfolio-grid {
    margin-top: 3rem;
}

.portfolio-item {
    margin-bottom: 2rem;
}

.portfolio-card {
    position: relative;
    overflow: hidden;
    background-color: var(--color-light);
    aspect-ratio: 3/4;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(44, 36, 22, 0.9) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: var(--transition-smooth);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

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

.portfolio-info h4 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.portfolio-info p {
    font-size: 0.875rem;
    color: var(--color-gray-light);
}

/* ===================================
   8. FAQ SECTION
   =================================== */
.faq-section {
    background-color: var(--color-light);
}

.accordion-item {
    background-color: var(--color-white);
    border: none;
    margin-bottom: 1rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.accordion-header {
    margin-bottom: 0;
}

.accordion-button {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    background-color: var(--color-white);
    padding: 1.5rem 2rem;
    border: none;
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%238B7355'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 1.5rem 2rem;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-dark);
}

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

.contact-info {
    padding: 2rem 0;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.info-content p {
    font-size: 1rem;
    color: var(--color-gray);
}

.info-content a {
    color: var(--color-primary);
    transition: var(--transition-base);
}

.info-content a:hover {
    color: var(--color-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-dark);
    color: var(--color-white);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.contact-cta {
    background-color: var(--color-light);
    padding: 3rem;
    text-align: center;
}

.cta-title {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.125rem;
    color: var(--color-gray);
    margin-bottom: 2rem;
}

.map-container {
    margin-top: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    width: 100%;
    height: 450px;
    border: none;
    margin-bottom: -10px;
}

/* ===================================
   10. FOOTER
   =================================== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 0rem 0 2rem;
}

.footer-title {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.footer-text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-gray-light);
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    font-size: 0.95rem;
    color: var(--color-gray-light);
    transition: var(--transition-base);
}

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

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    font-size: 0.95rem;
    color: var(--color-gray-light);
    margin-bottom: 0.75rem;
}

.footer-contact a {
    color: var(--color-secondary);
}

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

.copyright {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-top: 2rem;
}

/* ===================================
   11. BUTTONS
   =================================== */
.btn {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid transparent;
    transition: var(--transition-base);
    letter-spacing: 0.5px;
    border-radius: 0;
}

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

.btn-primary:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(139, 115, 85, 0.3);
}

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

.btn-outline-light:hover {
    background-color: var(--color-white);
    color: var(--color-dark);
    border-color: var(--color-white);
}

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

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-secondary);
    transform: translateY(-5px);
}

/* ===================================
   12. RESPONSIVE DESIGN
   =================================== */

/* Tablet */
@media (max-width: 991px) {
    .hero-section {
        padding-top: 90px;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-images {
        margin-bottom: 3rem;
    }

    .about-image-secondary {
        bottom: -10px;
        right: -10px;
    }

    .about-features {
        gap: 1.5rem;
    }

    .service-card {
        margin-bottom: 2rem;
    }

    .price-list-card {
        padding: 2rem;
    }
}

/* Mobile */
@media (max-width: 767px) {
    :root {
        --section-padding: 60px 0;
    }

    .hero-section {
        padding-top: 100px;
        padding-bottom: 60px;
        min-height: auto;
    }

    .hero-section .container {
        padding: 0 20px;
    }

    .hero-section .row {
        min-height: auto;
    }

    .hero-content {
        padding: 20px 0;
    }

    .hero-tag {
        font-size: 0.7rem;
        padding: 0.4rem 1rem;
        margin-bottom: 1rem;
    }

    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: 1rem;
        line-height: 1.5;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .hero-promo {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        margin-bottom: 2rem;
        padding: 0.75rem 0;
    }

    .promo-badge {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }

    .promo-text {
        font-size: 1.25rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }

    .hero-buttons .btn-lg {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }

    .scroll-indicator {
        display: none;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .about-images {
        padding: 1rem;
    }

    .about-image-secondary {
        width: 40%;
        bottom: -15px;
        right: -5px;
    }

    .about-features {
        flex-direction: column;
        gap: 1.5rem;
    }

    .feature-item {
        display: flex;
        align-items: center;
        gap: 1rem;
        text-align: left;
    }

    .feature-number {
        font-size: 2rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .price-list-card {
        padding: 1.5rem;
    }

    .price-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .portfolio-filter {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
    }

    .filter-btn {
        flex: 0 1 auto;
        min-width: auto;
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }

    .contact-cta {
        padding: 2rem 1.5rem;
    }

    .cta-title {
        font-size: 1.5rem;
    }

    .social-links {
        flex-direction: column;
    }

    .social-link {
        width: 100%;
        text-align: center;
    }

    .map-container iframe {
        height: 300px;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* Small Mobile */
@media (max-width: 575px) {
    .hero-section {
        padding-top: 90px;
        padding-bottom: 40px;
    }

    .hero-content {
        padding: 15px 0;
    }

    .hero-tag {
        font-size: 0.65rem;
        padding: 0.35rem 0.875rem;
        letter-spacing: 2px;
        margin-bottom: 0.875rem;
    }

    .hero-title {
        font-size: 1.75rem;
        margin-bottom: 0.875rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 0.875rem;
    }

    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
    }

    .hero-promo {
        margin-bottom: 1.75rem;
        padding: 0.5rem 0;
    }

    .promo-badge {
        font-size: 0.75rem;
        padding: 0.35rem 0.875rem;
    }

    .promo-text {
        font-size: 1.125rem;
    }

    .hero-buttons {
        gap: 0.625rem;
        width: 100%;
    }

    .hero-buttons .btn {
        padding: 0.65rem 1rem;
        font-size: 0.9rem;
    }

    .hero-buttons .btn-lg {
        padding: 0.65rem 1rem;
        font-size: 0.9rem;
    }

    .section-tag {
        font-size: 0.7rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .accordion-button {
        font-size: 1rem;
        padding: 1rem 1.5rem;
    }

    .accordion-body {
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* ===================================
   13. UTILITY CLASSES
   =================================== */
.text-primary {
    color: var(--color-primary) !important;
}

.bg-light {
    background-color: var(--color-light) !important;
}

.bg-dark {
    background-color: var(--color-dark) !important;
}

/* ===================================
   14. ANIMATIONS
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Smooth Loading */
.fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

/* ===================================
   15. ACCESSIBILITY
   =================================== */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===================================
   16. PRINT STYLES
   =================================== */
@media print {
    .navbar,
    .hero-section,
    .scroll-indicator,
    .back-to-top,
    .portfolio-filter,
    .btn {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }

    img {
        max-width: 100% !important;
    }
}