/* ==========================================================================
   HKSinc.com Replica Design System - Stylesheet
   Theme: Light, Editorial, High-Contrast, Architectural Grid
   ========================================================================== */

/* Design Tokens */
:root {
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-dark: #111827;
    
    --text-primary: #000000;
    --text-secondary: #374151;
    --text-muted: #6B7280;
    --text-light: #FFFFFF;
    
    --border-color: #E5E7EB;
    --border-dark: #000000;
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-snappy: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-white);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

p {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text-secondary);
}

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

/* Common Layout Utilities */
section {
    padding: 7rem 2.5rem;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.section-container {
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
}

.alignfull {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-white);
}

::-webkit-scrollbar-thumb {
    background: #CCCCCC;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #000000;
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 2rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: var(--transition-snappy);
    border-radius: 0; /* Strict sharp corners like HKS */
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-primary);
}

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

.btn-solid {
    background-color: var(--text-primary);
    color: var(--bg-white);
    border: 1px solid var(--text-primary);
}

.btn-solid:hover {
    background-color: transparent;
    color: var(--text-primary);
}

/* Header Navigation (HKS-Inspired) */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2.5rem;
    transition: var(--transition-smooth);
}

.site-header.scrolled {
    padding: 0.9rem 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    letter-spacing: 0.12em;
    color: var(--text-primary);
}

.logo-bold {
    font-weight: 700;
}

.logo-light {
    font-weight: 300;
    color: var(--text-muted);
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 2.75rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    position: relative;
    padding: 0.4rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-snappy);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.menu-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-snappy);
}

/* Hero Section (hksinc.com Replica) */
.home-hero {
    height: 100vh;
    overflow: hidden;
    position: relative;
    background-color: #000000;
    display: flex;
    align-items: center;
}

.home-hero__slider {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
}

.home-hero__slide {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.home-hero__slide.active {
    opacity: 1;
}

.home-hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6); /* Slightly dimmed for readability like HKS */
}

.home-hero__overlay {
    position: relative;
    z-index: 5;
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
    padding: 0 2.5rem;
}

.home-hero__content {
    max-width: 900px;
}

.home-hero__tagline {
    font-family: var(--font-heading);
    font-size: 3.8rem;
    font-weight: 500;
    color: var(--text-light);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.home-hero__tagline span {
    display: inline-block;
}

.tagline-highlight {
    font-weight: 700;
}

.rotating-word {
    color: var(--text-light);
    border-bottom: 2px solid var(--text-light);
    display: inline-block;
    min-width: 220px;
    transition: opacity 0.3s ease;
}

.home-hero__arrow {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    opacity: 0.8;
}

.hero-arrow-icon {
    font-size: 1.1rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
    60% {
        transform: translateY(-4px);
    }
}

/* Curated Slider (Featured Section) */
.hks-curated-slider {
    background-color: var(--bg-white);
}

.curated-container {
    max-width: 1300px;
    margin: 0 auto;
}

.curated-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 3rem;
}

.curated-heading {
    font-size: 2.25rem;
    font-weight: 700;
}

.slider-controls {
    display: flex;
    gap: 0.75rem;
}

.slider-btn {
    background: none;
    border: 1px solid var(--border-color);
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition-snappy);
}

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

.curated-slide-content {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 4rem;
    align-items: center;
    min-height: 420px;
}

.curated-text-panel {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.curated-tag {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.curated-title {
    font-size: 1.85rem;
    margin-bottom: 1rem;
    line-height: 1.25;
}

.curated-title a:hover {
    text-decoration: underline;
}

.curated-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.curated-image-panel {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
}

.curated-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition-smooth);
}

.curated-image-panel:hover .curated-img {
    transform: scale(1.03);
}

/* Headline CTA Pattern */
.headline-cta-pattern {
    background-color: var(--bg-light);
    text-align: center;
    padding: 6rem 2.5rem;
}

.cta-container {
    max-width: 900px;
    margin: 0 auto;
}

.cta-headline {
    font-size: 2.25rem;
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 2.25rem;
}

/* Expertise Grid (3 Columns) */
.expertise-section {
    background-color: var(--bg-white);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3.5rem;
}

.expertise-column {
    display: flex;
    flex-direction: column;
    padding-left: 2rem;
    border-left: 1px solid var(--border-color);
}

.exp-number {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    display: block;
}

.exp-title {
    font-size: 1.45rem;
    margin-bottom: 1rem;
}

.exp-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* Our Work Grid Section */
.work-section {
    background-color: var(--bg-white);
}

.work-heading {
    font-size: 2.25rem;
    margin-bottom: 2rem;
}

.work-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.filter-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-snappy);
}

.filter-btn:hover {
    color: var(--text-primary);
}

.filter-btn.active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--text-primary);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2.5rem;
}

.work-card {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-white);
    border-bottom: 1px solid transparent;
    transition: var(--transition-snappy);
}

.work-img-box {
    width: 100%;
    aspect-ratio: 3/2;
    overflow: hidden;
    background-color: var(--bg-light);
    margin-bottom: 1.25rem;
    border: 1px solid var(--border-color);
}

.work-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.work-card:hover .work-img {
    transform: scale(1.04);
}

.work-meta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.work-card-tag {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.work-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.2;
}

.work-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* About Section */
.about-section {
    background-color: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
}

.about-tag {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 1rem;
}

.about-title {
    font-size: 2.25rem;
    line-height: 1.25;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.about-desc {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-desc strong {
    color: var(--text-primary);
}

.details-heading {
    font-size: 1.35rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.details-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.details-list li {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.details-list li strong {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
}

.details-list li span {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-section {
    background-color: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
}

.contact-heading {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.contact-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 3.5rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.item-label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.item-value {
    font-size: 1.2rem;
    font-weight: 500;
}

.item-value a:hover {
    text-decoration: underline;
}

.contact-form-panel {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    padding: 3.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    padding: 0.85rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    width: 100%;
    transition: var(--transition-snappy);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--text-primary);
}

/* Footer Section */
.site-footer {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2.5rem;
}

.footer-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 0.1em;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.footer-socials a {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

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

/* Project Lightbox Modal (Clean HKS style, showcasing renders instead of full sheets) */
.project-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2.5rem;
}

.project-modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.97); /* HKS Light lightbox */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1;
}

.modal-wrapper {
    position: relative;
    z-index: 5;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 1400px;
    height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 30px 90px rgba(0,0,0,0.1);
    animation: modalFadeIn 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2.5rem;
    cursor: pointer;
    color: var(--text-primary);
    z-index: 100;
    transition: var(--transition-snappy);
    line-height: 1;
}

.modal-close-btn:hover {
    transform: rotate(90deg);
}

.modal-container {
    display: grid;
    grid-template-columns: 420px 1fr;
    height: 100%;
    overflow: hidden;
}

.modal-meta-pane {
    padding: 3.5rem;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    background-color: var(--bg-light);
    display: flex;
    flex-direction: column;
}

.modal-category {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.modal-title {
    font-size: 1.85rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.modal-semester {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.modal-collab {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.modal-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.modal-highlights-box h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.modal-highlights-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.modal-highlights-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
    position: relative;
    padding-left: 1.25rem;
}

.modal-highlights-list li::before {
    content: '\f178';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.7rem;
    color: var(--text-primary);
    position: absolute;
    left: 0;
    top: 0.2rem;
}

.modal-gallery-pane {
    padding: 3.5rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.gallery-heading {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.modal-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    overflow-y: auto;
    flex-grow: 1;
    padding-right: 0.5rem;
}

.modal-image-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    cursor: pointer;
    transition: var(--transition-snappy);
}

.modal-image-card:hover {
    border-color: var(--text-primary);
}

.modal-img-wrapper {
    width: 100%;
    aspect-ratio: 3/2;
    overflow: hidden;
    position: relative;
    background-color: var(--bg-light);
}

.modal-img-wrapper::after {
    content: '\f31e';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.25rem;
    opacity: 0;
    transition: var(--transition-snappy);
}

.modal-image-card:hover .modal-img-wrapper::after {
    opacity: 1;
}

.modal-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.modal-img-title {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-align: center;
    color: var(--text-secondary);
}

/* Zoom Lightbox for Single Sheets */
.zoom-lightbox {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.zoom-lightbox.active {
    display: flex;
}

.zoom-backdrop {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.99); /* White full background */
}

.zoom-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 10;
}

.zoom-close:hover {
    color: var(--text-muted);
}

.zoom-content {
    position: relative;
    z-index: 5;
    max-width: 95vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.zoom-image {
    max-width: 100%;
    max-height: 80vh;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    object-fit: contain;
    border: 1px solid var(--border-color);
}

.zoom-title {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    section {
        padding: 5rem 1.5rem;
    }
    
    .home-hero__tagline {
        font-size: 2.8rem;
    }
    
    .curated-slide-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .expertise-column {
        border-left: none;
        border-bottom: 1px solid var(--border-color);
        padding-left: 0;
        padding-bottom: 2rem;
    }
    
    .expertise-column:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .modal-container {
        grid-template-columns: 1fr;
    }
    
    .modal-meta-pane {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        max-height: 35%;
        padding: 2rem;
    }
    
    .modal-gallery-pane {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    /* Mobile slide menu style */
    .nav-menu.active {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem 0;
    }
    
    .nav-menu.active .nav-list {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .home-hero__tagline {
        font-size: 2.2rem;
    }
    
    .rotating-word {
        min-width: 160px;
    }
    
    .contact-form-panel {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}