@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --black: #050505;
    --white: #ffffff;
    --red: #E63946;
    --gray-dark: #121214;
    --gray-mid: #6c757d;
    --gray-light: #f8f9fa;
    --gray-border: #e9ecef;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-premium: 0 20px 50px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--white);
    color: var(--black);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Vignelli Grid Layout Utilities */
.grid-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.border-line {
    border-top: 1px solid var(--black);
    width: 100%;
    margin: 32px 0;
}

.border-line.red {
    border-top: 2px solid var(--red);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

p {
    font-family: var(--font-body);
    font-weight: 400;
    color: #333333;
}

.uppercase-label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--red);
    display: block;
    margin-bottom: 8px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-border);
    padding: 16px 0;
    transition: var(--transition-smooth);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--black);
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--black);
    position: relative;
    padding: 6px 0;
    transition: var(--transition-smooth);
}

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

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

.nav-btn {
    background-color: var(--black);
    color: var(--white);
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid var(--black);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.nav-btn:hover {
    background-color: transparent;
    color: var(--black);
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-content {
    grid-column: 1 / 8;
}

.hero-aside {
    grid-column: 9 / 13;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border-left: 1px solid var(--gray-border);
    padding-left: 32px;
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 800;
    line-height: 0.95;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    color: #4a4a4a;
    max-width: 580px;
    margin-bottom: 40px;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--red);
    line-height: 1.3;
    margin-bottom: 16px;
    position: relative;
}

.hero-tagline-author {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--black);
}

/* Category Filters */
.filters-section {
    padding: 32px 0;
    background-color: var(--gray-light);
    border-top: 1px solid var(--gray-border);
    border-bottom: 1px solid var(--gray-border);
}

.filters-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.filter-btn-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--gray-border);
    padding: 8px 20px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    background-color: var(--white);
    transition: var(--transition-smooth);
}

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

.filter-btn.active {
    box-shadow: 0 0 0 2px var(--red);
}

/* Case Study Grid */
.case-studies-section {
    padding: 80px 0;
}

.case-grid {
    grid-column: 1 / 13;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.case-card {
    background-color: var(--white);
    border: 1px solid var(--gray-border);
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-premium);
    border-color: var(--red);
}

.case-card-image {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--gray-border);
    background-color: #eaeaea;
}

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

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

.case-card-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background-color: var(--red);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 4px 10px;
    z-index: 10;
}

.case-card-content {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.case-card-number {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--red);
    font-weight: 700;
    margin-bottom: 8px;
}

.case-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
}

.case-card-desc {
    font-size: 0.9rem;
    color: #555555;
    margin-bottom: 20px;
    line-height: 1.5;
}

.case-card-meta {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--gray-border);
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--gray-mid);
}

/* Interactive Playground Section */
.playground-section {
    padding: 100px 0;
    background-color: var(--black);
    color: var(--white);
}

.playground-header {
    grid-column: 1 / 13;
    text-align: center;
    margin-bottom: 60px;
}

.playground-header h2 {
    font-size: 3rem;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.playground-tabs {
    grid-column: 1 / 13;
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 48px;
}

.tab-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.tab-btn.active {
    box-shadow: 0 0 0 2px var(--red);
}

.playground-content {
    grid-column: 1 / 13;
    display: none;
    animation: fadeIn 0.5s ease;
}

.playground-content.active {
    display: block;
}

/* Phone Simulator styling (WhatsApp CRM) */
.simulator-layout {
    display: flex;
    align-items: center;
    gap: 48px;
    max-width: 1100px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.simulator-info {
    flex: 1;
    min-width: 320px;
}

.simulator-info h3 {
    font-size: 2.25rem;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.simulator-info p {
    color: #cccccc;
    margin-bottom: 24px;
}

.simulator-steps {
    list-style: none;
    margin-bottom: 32px;
}

.simulator-step {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.simulator-step.active {
    opacity: 1;
}

.step-num {
    background-color: var(--red);
    color: var(--white);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
    flex-shrink: 0;
}

.step-txt h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.step-txt p {
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* Phone frame container */
.phone-frame {
    width: 320px;
    height: 640px;
    background-color: #000;
    border: 12px solid #222;
    border-radius: 40px;
    box-shadow: var(--shadow-premium), 0 0 0 2px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-color: #e5ddd5; /* WhatsApp chat wallpaper bg */
    display: flex;
    flex-direction: column;
    font-family: system-ui, -apple-system, sans-serif;
}

.phone-header {
    background-color: #075e54;
    color: var(--white);
    padding: 30px 16px 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
}

.phone-header-notch {
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 18px;
    background-color: #222;
    border-radius: 12px;
}

.phone-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #128c7e;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

.phone-chat-info h5 {
    font-family: inherit;
    font-size: 0.9rem;
    margin: 0;
    font-weight: 600;
}

.phone-chat-info p {
    font-family: inherit;
    font-size: 0.65rem;
    color: #d1f4f0;
    margin: 0;
}

.phone-body {
    flex-grow: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.phone-message {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.8rem;
    line-height: 1.4;
    position: relative;
    animation: popIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: scale(0.9);
}

.phone-message.received {
    background-color: var(--white);
    color: var(--black);
    align-self: flex-start;
    border-top-left-radius: 0;
}

.phone-message.sent {
    background-color: #dcf8c6;
    color: var(--black);
    align-self: flex-end;
    border-top-right-radius: 0;
}

.phone-msg-time {
    display: block;
    text-align: right;
    font-size: 0.6rem;
    color: #999;
    margin-top: 4px;
}

.phone-footer {
    padding: 10px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.phone-input {
    flex-grow: 1;
    background-color: var(--white);
    border: none;
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 0.8rem;
    outline: none;
}

.phone-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #075e54;
    color: var(--white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.phone-send-btn:hover {
    background-color: #128c7e;
    transform: scale(1.05);
}

/* Mundi Custom LLM Simulator */
.chatbot-container {
    width: 480px;
    height: 520px;
    background-color: var(--gray-dark);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin: 0 auto;
    box-shadow: var(--shadow-premium);
}

.chatbot-header {
    background-color: rgba(255,255,255,0.03);
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 16px;
}

.chatbot-logo-circle {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--red) 0%, #ff6b6b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--white);
    font-family: var(--font-heading);
}

.chatbot-title h4 {
    font-size: 1.05rem;
    margin: 0;
}

.chatbot-title p {
    font-size: 0.75rem;
    color: #888888;
    margin: 0;
}

.chatbot-messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.bot-msg {
    align-self: flex-start;
    display: flex;
    gap: 12px;
    max-width: 85%;
}

.bot-msg-avatar {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background-color: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 800;
    flex-shrink: 0;
}

.bot-msg-bubble {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 12px 16px;
    border-radius: 12px;
    border-top-left-radius: 0;
    font-size: 0.85rem;
    line-height: 1.4;
    color: #e0e0e0;
}

.user-msg {
    align-self: flex-end;
    background-color: var(--red);
    color: var(--white);
    padding: 12px 16px;
    border-radius: 12px;
    border-top-right-radius: 0;
    max-width: 80%;
    font-size: 0.85rem;
    line-height: 1.4;
}

.chatbot-options {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chatbot-options p {
    font-size: 0.75rem;
    color: #888888;
    margin-bottom: 4px;
}

.opt-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.opt-btn {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--white);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

/* Foster Kids Before / After Slider */
.slider-container {
    width: 100%;
    max-width: 900px;
    aspect-ratio: 16 / 10;
    position: relative;
    margin: 0 auto;
    overflow: hidden;
    border: 2px solid var(--red);
    box-shadow: var(--shadow-premium);
}

.slider-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

.slider-img.before {
    z-index: 1;
}

.slider-img.after {
    z-index: 2;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background-color: var(--red);
    z-index: 10;
    cursor: ew-resize;
    transform: translateX(-50%);
}

.slider-handle-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background-color: var(--red);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    font-weight: 800;
    font-size: 1.2rem;
    user-select: none;
    pointer-events: none;
    border: 2px solid var(--white);
}

.slider-label {
    position: absolute;
    top: 20px;
    z-index: 5;
    background: rgba(0,0,0,0.75);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 6px 12px;
    border-radius: 4px;
    pointer-events: none;
}

.slider-label.before-label {
    right: 20px;
}

.slider-label.after-label {
    left: 20px;
}

.simulator-action-btn {
    background-color: var(--red);
    color: var(--white);
    border: none;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-top: 12px;
}

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

/* Modal Overlay styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(5,5,5,0.95);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    padding: 40px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background-color: var(--white);
    width: 100%;
    max-width: 1100px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 2px solid var(--red);
    transform: translateY(40px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 60px;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: transparent;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--black);
    transition: var(--transition-smooth);
}

.modal-close:hover {
    color: var(--red);
    transform: rotate(90deg);
}

.modal-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 32px;
}

.modal-left {
    grid-column: 1 / 7;
}

.modal-right {
    grid-column: 7 / 13;
    border-left: 1px solid var(--gray-border);
    padding-left: 32px;
}

.modal-image {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    border: 1px solid var(--gray-border);
    margin-bottom: 24px;
}

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

.modal-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
    padding: 20px 0;
    border-top: 1px solid var(--gray-border);
    border-bottom: 1px solid var(--gray-border);
}

.modal-meta-item label {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--gray-mid);
    margin-bottom: 4px;
}

.modal-meta-item span {
    font-size: 0.9rem;
    font-weight: 600;
}

.modal-section-title {
    font-size: 1.1rem;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 12px;
}

.modal-bullets {
    list-style: none;
    margin-bottom: 24px;
}

.modal-bullets li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.modal-bullets li::before {
    content: '▪';
    color: var(--red);
    position: absolute;
    left: 0;
}

/* Contact / Footer Section */
.contact-section {
    padding: 100px 0;
    border-top: 1px solid var(--gray-border);
}

.contact-left {
    grid-column: 1 / 6;
}

.contact-right {
    grid-column: 7 / 13;
}

.contact-left h2 {
    font-size: 3rem;
    text-transform: uppercase;
    line-height: 1;
    margin-bottom: 24px;
}

.contact-info-block {
    margin-bottom: 32px;
}

.contact-info-block label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--gray-mid);
    margin-bottom: 8px;
}

.contact-info-block p {
    font-size: 1.25rem;
    font-weight: 600;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

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

.form-group.full-width {
    grid-column: 1 / 3;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.form-group input, .form-group textarea {
    border: 1px solid var(--black);
    padding: 12px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--red);
    box-shadow: 0 0 0 2px rgba(230, 57, 70, 0.1);
}

.form-submit-btn {
    grid-column: 1 / 3;
    background-color: var(--black);
    color: var(--white);
    border: 1px solid var(--black);
    padding: 16px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-top: 12px;
}

.form-submit-btn:hover {
    background-color: transparent;
    color: var(--black);
}

/* Footer bottom */
.footer-bottom {
    background-color: var(--black);
    color: var(--white);
    padding: 40px 0;
    font-size: 0.8rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-copy {
    color: #888888;
}

.footer-philosophy {
    font-style: italic;
    color: var(--red);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes popIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Overrides */
@media (max-width: 991px) {
    .grid-container {
        display: flex;
        flex-direction: column;
        gap: 40px;
    }
    
    .hero-aside {
        border-left: none;
        border-top: 1px solid var(--gray-border);
        padding-left: 0;
        padding-top: 24px;
    }
    
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .simulator-layout {
        flex-direction: column-reverse;
        gap: 40px;
    }
    
    .contact-right {
        margin-top: 24px;
    }
    
    .modal-grid {
        display: flex;
        flex-direction: column;
    }
    
    .modal-right {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--gray-border);
        padding-top: 24px;
    }
    
    .modal-content {
        padding: 30px;
    }
}

@media (max-width: 767px) {
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none; /* simple mobile fallback, link hidden for brevity of implementation */
    }
    
    .chatbot-container {
        width: 100%;
        height: 480px;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width, .form-submit-btn {
        grid-column: 1 / 2;
    }
}