/* ===== CSS Variables ===== */
:root {
    --primary: #3d4f5f;
    --primary-dark: #2d3c48;
    --primary-light: #5a7085;
    --accent: #4a90a4;
    --accent-light: #6bb3c9;
    --accent-dark: #3a7a8f;
    --whatsapp: #25D366;
    --text: #2d3c48;
    --text-light: #6b7c8a;
    --text-muted: #9aa5ae;
    --bg: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #eef1f3;
    --border: #e2e6e9;
    --white: #ffffff;
    --error: #dc3545;
    --error-light: #f8d7da;
    --shadow-sm: 0 2px 8px rgba(61, 79, 95, 0.08);
    --shadow-md: 0 4px 20px rgba(61, 79, 95, 0.12);
    --shadow-lg: 0 8px 40px rgba(61, 79, 95, 0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --focus-ring: 0 0 0 3px rgba(74, 144, 164, 0.4);
    --min-touch-target: 44px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Heebo', 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    direction: rtl;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Large screens - prevent content from spreading too wide */
@media (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }
}

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

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

/* ===== Accessibility ===== */

.skip-link {
    position: absolute;
    top: -100px;
    right: 0;
    background: var(--primary);
    color: var(--white);
    padding: 12px 24px;
    z-index: 10000;
    font-weight: 600;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
    outline: none;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

p {
    color: var(--text-light);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    min-height: 48px;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.2;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    box-sizing: border-box;
}

.btn:focus-visible {
    box-shadow: var(--focus-ring);
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 30px;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: var(--bg-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: 12px 30px;
}

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

.btn-full {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

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

.nav-brand a {
    display: flex;
    align-items: center;
}

.nav-brand .logo {
    height: 40px;
}

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

.nav-links a:not(.btn) {
    color: var(--text);
    font-weight: 500;
    padding: 8px 12px;
    min-height: var(--min-touch-target);
    display: flex;
    align-items: center;
}

.nav-links a:not(.btn):hover {
    color: var(--accent);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: var(--min-touch-target);
    height: var(--min-touch-target);
    padding: 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    margin-bottom: 16px;
}

.hero-badge span {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
}

.hero-headline {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary);
    line-height: 1.2;
}

.hero-subheadline {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: var(--text-light);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-channels {
    display: flex;
    align-items: center;
    gap: 16px;
}

.channel-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.channel-icons {
    display: flex;
    gap: 16px;
}

.channel-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    font-size: 0.875rem;
}

.channel-item svg {
    width: 20px;
    height: 20px;
}

.channel-item:first-child svg {
    color: var(--whatsapp);
}

/* Chat Demo */
.hero-visual {
    display: flex;
    justify-content: center;
}

.chat-demo {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.chat-header {
    background: var(--primary);
    color: var(--white);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.chat-title {
    font-weight: 600;
    font-size: 1.125rem;
}

.chat-messages {
    padding: 20px;
    max-height: 350px;
    overflow-y: auto;
}

.chat-message {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    max-width: 85%;
    animation: fadeIn 0.5s ease;
    font-size: 0.95rem;
    line-height: 1.5;
}

.chat-message.user {
    background: var(--accent);
    color: var(--white);
    margin-right: auto;
    border-bottom-right-radius: 4px;
}

.chat-message.assistant {
    background: var(--bg-light);
    color: var(--text);
    margin-left: auto;
    border-bottom-left-radius: 4px;
}

.chat-message.typing {
    display: flex;
    gap: 6px;
    padding: 16px;
}

.chat-message .dot {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out;
}

.chat-message .dot:nth-child(1) { animation-delay: 0s; }
.chat-message .dot:nth-child(2) { animation-delay: 0.2s; }
.chat-message .dot:nth-child(3) { animation-delay: 0.4s; }

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

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

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-header-light h2,
.section-header-light p {
    color: var(--white);
}

.section-header-light p {
    opacity: 0.9;
}

/* ===== Problem Section ===== */
.problem-section {
    padding: 100px 0 60px;
    background: var(--bg);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    list-style: none;
    margin-bottom: 48px;
}

.problem-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.problem-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.problem-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--primary);
}

.problem-card p {
    font-size: 0.95rem;
}

.problem-result {
    text-align: center;
    padding: 32px;
    background: var(--primary);
    border-radius: var(--radius-md);
    color: var(--white);
}

.problem-result p {
    color: var(--white);
    font-size: 1.125rem;
    margin: 0;
}

.problem-result strong {
    color: var(--accent-light);
}

/* ===== Solution Section ===== */
.solution-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.solution-text h2 {
    margin-bottom: 16px;
}

.solution-lead {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 32px;
}

.solution-list {
    list-style: none;
    padding: 0;
}

.solution-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1.1rem;
    color: var(--text);
}

.solution-list svg {
    width: 24px;
    height: 24px;
    min-width: 24px;
    color: var(--accent);
    margin-top: 2px;
}

/* Bridge Diagram */
.bridge-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 40px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.bridge-side {
    text-align: center;
}

.bridge-icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.bridge-icon-wrapper svg {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.bridge-side span {
    font-weight: 600;
    color: var(--text);
}

.bridge-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 20px;
}

.bridge-arc {
    width: 120px;
    height: 60px;
    border: 4px solid var(--accent);
    border-bottom: none;
    border-radius: 120px 120px 0 0;
    margin-bottom: 12px;
}

.bridge-label {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--accent);
    font-family: 'Inter', sans-serif;
}

/* ===== Roles Section - Carousel ===== */
.roles-section {
    padding: 100px 0;
    background: var(--bg);
}

.roles-carousel {
    max-width: 600px;
    margin: 0 auto;
}

.carousel-container {
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

.role-card-large {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.role-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.role-icon-large {
    width: 72px;
    height: 72px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.role-icon-large svg {
    width: 36px;
    height: 36px;
    color: var(--accent);
}

.role-header h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin: 0;
}

.role-queries-large {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.query-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-light);
}

.query-item.read {
    border-right: 4px solid var(--accent);
}

.query-item.write {
    border-right: 4px solid var(--whatsapp);
    background: rgba(37, 211, 102, 0.05);
}

.query-type {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 12px;
    flex-shrink: 0;
}

.query-item.read .query-type {
    background: var(--accent);
    color: var(--white);
}

.query-item.write .query-type {
    background: var(--whatsapp);
    color: var(--white);
}

.query-text {
    font-size: 1rem;
    color: var(--text);
}

/* Carousel Navigation */
.carousel-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 32px;
}

.carousel-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
    padding: 12px;
    box-sizing: content-box;
}

.carousel-dot:hover {
    background: var(--accent-light);
}

.carousel-dot.active {
    background: var(--accent);
    transform: scale(1.15);
}

/* Carousel Legend */
.carousel-legend {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 28px;
    padding: 16px 24px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
}

.legend-dot {
    width: 14px;
    height: 14px;
    border-radius: 4px;
}

.legend-item.read .legend-dot {
    background: var(--accent);
}

.legend-item.write .legend-dot {
    background: var(--whatsapp);
}

/* ===== Channels Section ===== */
.channels-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.channel-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.channel-card.coming-soon {
    opacity: 0.7;
}

.channel-card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.channel-card-icon svg {
    width: 36px;
    height: 36px;
}

.channel-card-icon.whatsapp {
    background: rgba(37, 211, 102, 0.1);
}

.channel-card-icon.whatsapp svg {
    color: var(--whatsapp);
}

.channel-card-icon.web {
    background: rgba(74, 144, 164, 0.1);
}

.channel-card-icon.web svg {
    color: var(--accent);
}

.channel-card-icon.voice {
    background: var(--bg-light);
}

.channel-card-icon.voice svg {
    color: var(--text-muted);
}

.channel-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.channel-card p {
    font-size: 0.95rem;
}

.badge {
    display: inline-block;
    background: var(--bg-dark);
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    margin-right: 8px;
    vertical-align: middle;
}

/* ===== Experts Section ===== */
.experts-section {
    padding: 100px 0;
    background: var(--bg);
}

.experts-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.experts-text h2 {
    margin-bottom: 16px;
}

.experts-lead {
    font-size: 1.125rem;
    color: var(--text);
    margin-bottom: 32px;
}

.experts-list {
    list-style: none;
    padding: 0;
}

.experts-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1rem;
    color: var(--text);
}

.experts-list svg {
    width: 20px;
    height: 20px;
    min-width: 20px;
    color: var(--accent);
    margin-top: 3px;
}

.experts-stat {
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 12px;
    font-family: 'Inter', sans-serif;
}

.stat-label {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.stat-sub {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* ===== Security Section ===== */
.security-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.security-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.security-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-icon svg {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.security-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.security-card p {
    font-size: 0.9rem;
}

/* ===== Vision Section ===== */
.vision-section {
    padding: 100px 0;
    background: var(--primary);
}

.vision-timeline {
    display: flex;
    justify-content: center;
    gap: 80px;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    text-align: center;
    position: relative;
    flex: 1;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 28px;
    left: -40px;
    width: 80px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
}

.timeline-marker {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
}

.timeline-item.active .timeline-marker {
    background: var(--accent);
    border-color: var(--accent);
}

.timeline-marker svg {
    width: 24px;
    height: 24px;
}

.timeline-content h3 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.timeline-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 100px 0;
    background: var(--bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.check-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.check-icon svg {
    width: 14px;
    height: 14px;
}

.benefit-item span:last-child {
    color: var(--text);
    font-weight: 500;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--text);
    font-size: 0.95rem;
}

.form-group .required {
    color: var(--error);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 14px 16px;
    min-height: var(--min-touch-target);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7c8a' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 16px center;
    padding-left: 40px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--error);
    background: var(--error-light);
}

.form-group input.error:focus,
.form-group textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25);
}

.error-message {
    color: var(--error);
    font-size: 0.85rem;
    min-height: 1.2em;
}

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

.form-success {
    text-align: center;
    padding: 40px;
}

.form-success.hidden {
    display: none;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.success-icon svg {
    width: 32px;
    height: 32px;
}

.form-success h3 {
    margin-bottom: 8px;
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin-top: 4px;
}

.footer-tagline {
    margin-top: 8px !important;
    font-size: 0.8rem !important;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    padding: 8px 4px;
    min-height: var(--min-touch-target);
    display: inline-flex;
    align-items: center;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-links a:focus-visible {
    outline-color: var(--white);
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .vision-timeline {
        gap: 40px;
    }

    .timeline-item:not(:last-child)::after {
        width: 40px;
        left: -20px;
    }
}

@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 2;
    }

    .hero-subheadline {
        margin: 0 auto 32px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-channels {
        justify-content: center;
    }

    .solution-content {
        grid-template-columns: 1fr;
    }

    .bridge-diagram {
        max-width: 100%;
        margin: 0 auto;
        padding: 24px 16px;
    }

    .channels-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
        margin: 0 auto;
    }

    .experts-content {
        grid-template-columns: 1fr;
    }

    .experts-stat {
        max-width: 100%;
        margin: 0 auto;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-info {
        text-align: center;
    }

    .contact-benefits {
        align-items: center;
    }

    .roles-carousel {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }

    /* Fix chat demo on mobile */
    .chat-demo {
        max-width: 100%;
    }

    .chat-messages {
        max-height: 280px;
        padding: 16px;
    }

    .chat-message {
        font-size: 0.9rem;
        padding: 10px 14px;
    }

    /* Carousel cards on mobile */
    .carousel-slide {
        padding: 0 8px;
    }

    /* Bridge diagram - smaller on mobile */
    .bridge-diagram {
        gap: 12px;
    }

    .bridge-icon-wrapper {
        width: 60px;
        height: 60px;
    }

    .bridge-icon-wrapper svg {
        width: 30px;
        height: 30px;
    }

    .bridge-center {
        padding: 0 12px;
    }

    .bridge-arc {
        width: 80px;
        height: 40px;
        border-width: 3px;
        border-radius: 80px 80px 0 0;
    }

    .bridge-label {
        font-size: 1rem;
    }

    .bridge-side span {
        font-size: 0.875rem;
    }

    .role-card-large {
        padding: 32px 24px;
    }

    .role-header {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .role-icon-large {
        width: 60px;
        height: 60px;
    }

    .role-icon-large svg {
        width: 30px;
        height: 30px;
    }

    .query-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 14px;
    }

    .carousel-legend {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        max-width: 100%;
        padding: 12px 20px;
    }

    .hero-headline {
        font-size: 2rem;
    }

    .hero-subheadline {
        font-size: 1.1rem;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 73px;
        right: 0;
        left: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links a:not(.btn) {
        width: 100%;
        padding: 16px;
        text-align: center;
        border-radius: var(--radius-sm);
    }

    .nav-links a:not(.btn):hover {
        background: var(--bg-light);
    }

    .nav-links .btn {
        width: 100%;
        margin-top: 8px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

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

    .vision-timeline {
        flex-direction: column;
        gap: 32px;
    }

    .timeline-item:not(:last-child)::after {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
        align-items: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
    }

    .hero-cta {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .stat-number {
        font-size: 3rem;
    }
}

/* ===== Utilities ===== */
.hidden {
    display: none !important;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
