:root {
    --bg-color: #05070c;
    --surface-glass: rgba(10, 14, 24, 0.7);
    --surface-panel: rgba(13, 17, 28, 0.88);
    --surface-highlight: rgba(0, 205, 255, 0.12);
    --text-primary: #f2f7ff;
    --text-secondary: #9ba5c2;
    --text-muted: #6f7a94;
    --accent: #00e0ff;
    --accent-alt: #8a5cff;
    --border-soft: rgba(110, 140, 205, 0.28);
    --border-strong: rgba(148, 173, 240, 0.55);
    --shadow-soft: 0 30px 60px rgba(0, 0, 0, 0.35);
    --shadow-hard: 0 40px 90px rgba(0, 0, 0, 0.45);
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --max-width: 1180px;
    --transition: 0.3s ease;
    --font-family: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2.4rem;
}

.global-backdrop {
    position: fixed;
    inset: 0;
    z-index: -3;
    background: radial-gradient(circle at 20% 20%, rgba(0, 224, 255, 0.16), transparent 60%),
                radial-gradient(circle at 80% 30%, rgba(138, 92, 255, 0.18), transparent 60%),
                radial-gradient(circle at 50% 80%, rgba(255, 123, 212, 0.12), transparent 65%);
    overflow: hidden;
}

.orb {
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.55;
    animation: float 12s ease-in-out infinite;
}

.orb-1 {
    background: rgba(0, 224, 255, 0.7);
    top: 12%;
    left: 12%;
}

.orb-2 {
    background: rgba(255, 123, 212, 0.6);
    top: 35%;
    right: 10%;
    animation-delay: 2s;
}

.orb-3 {
    background: rgba(138, 92, 255, 0.55);
    bottom: -8%;
    left: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(20px, -30px, 0) scale(1.06); }
}

#cognitive-stream {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
}

.stream-text {
    position: absolute;
    color: rgba(120, 150, 210, 0.22);
    font-family: 'Courier New', monospace;
    white-space: nowrap;
    animation: stream-flow linear forwards;
}

@keyframes stream-flow {
    from { transform: translateX(-100%); opacity: 0.85; }
    to { transform: translateX(100vw); opacity: 0.85; }
}

.navbar {
    position: relative;
    padding: 2.4rem 0;
    margin-bottom: 4rem;
    z-index: 5;
}

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

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 2px;
    color: var(--text-primary);
    text-decoration: none;
}

.language-switcher {
    position: relative;
    font-size: 0.95rem;
}

.current-lang {
    background: rgba(11, 16, 29, 0.8);
    border: 1px solid var(--border-soft);
    color: var(--text-primary);
    padding: 0.55rem 1.3rem;
    border-radius: 999px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: background-color var(--transition), border-color var(--transition);
    backdrop-filter: blur(12px);
}

.current-lang:hover {
    background: rgba(19, 25, 39, 0.92);
    border-color: var(--border-strong);
}

.lang-options {
    position: absolute;
    right: 0;
    top: 115%;
    list-style: none;
    background: rgba(7, 10, 18, 0.95);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 0.6rem;
    display: none;
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(16px);
}

.lang-options.active {
    display: block;
}

.lang-options li a {
    display: block;
    padding: 0.55rem 0.9rem;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition);
}

.lang-options li a:hover {
    background: rgba(0, 224, 255, 0.12);
    color: var(--text-primary);
}

.language-switcher.active .current-lang i {
    transform: rotate(180deg);
}

.hero-section {
    padding: 1.5rem 0 4rem;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3rem;
    align-items: center;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1.4rem;
}

.hero-eyebrow::before {
    content: '';
    width: 28px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-alt));
}

.main-headline {
    font-size: clamp(3rem, 6vw, 4.6rem);
    font-weight: 700;
    letter-spacing: 0.12em;
    margin-bottom: 0.75rem;
}

.sub-headline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 2.3rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.9rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 2.4rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.cta-button.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-alt));
    color: #020205;
    box-shadow: 0 20px 50px rgba(0, 224, 255, 0.25);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 32px 66px rgba(0, 224, 255, 0.35);
}

.cta-button.secondary {
    background: rgba(14, 19, 32, 0.8);
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
    backdrop-filter: blur(12px);
}

.cta-button.secondary:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

.hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    color: var(--text-muted);
}

.hero-pills span {
    font-size: 0.9rem;
    padding: 0.45rem 0.95rem;
    background: rgba(12, 18, 30, 0.72);
    border: 1px solid rgba(85, 112, 180, 0.25);
    border-radius: 999px;
    backdrop-filter: blur(10px);
}

.hero-cta-inline {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.6rem;
}

.inline-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    transition: color 0.2s ease;
}

.inline-link::after {
    content: '→';
    transition: transform 0.2s ease;
}

.inline-link:hover::after {
    transform: translateX(4px);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    font-size: 0.85rem;
    color: #ffd1fb;
    background: rgba(255, 123, 212, 0.16);
    border: 1px solid rgba(255, 123, 212, 0.3);
}

/* ---------- Technical Details page specific ---------- */
.technical-details .hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.technical-details .tech-intro {
    text-align: center;
    margin-top: 1.2rem;
}

.technical-details .tech-intro h2 {
    margin-top: 0.8rem;
    font-size: 1.8rem;
}

.technical-details .tech-intro p {
    color: var(--text-secondary);
    margin-top: 0.6rem;
}

.back-to-home {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    text-decoration: none;
    color: var(--text-primary);
    background: rgba(11, 16, 29, 0.8);
    border: 1px solid var(--border-soft);
    transition: transform var(--transition), border-color var(--transition), background-color var(--transition);
    backdrop-filter: blur(10px);
}

.back-to-home:hover {
    transform: translateY(-1px);
    border-color: var(--border-strong);
    background: rgba(19, 25, 39, 0.92);
}

.technical-details .navbar {
    padding: 2.4rem 0;
}

.technical-details .logo {
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.technical-details .current-lang {
    padding: 0.55rem 1.3rem;
    font-size: inherit;
    line-height: 1;
}

.technical-details .language-switcher {
    font-size: 0.95rem;
}

.technical-details .navbar-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2.4rem;
}

.technical-details .sub-headline {
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
}

.hero-panel {
    background: var(--surface-panel);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    padding: 2.2rem;
    backdrop-filter: blur(22px);
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.hero-panel-header h2 {
    font-size: 1.8rem;
    margin-bottom: 0.3rem;
}

.hero-panel-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.hero-panel-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.panel-metric {
    background: rgba(12, 18, 29, 0.75);
    border: 1px solid rgba(86, 115, 185, 0.35);
    border-radius: var(--radius-sm);
    padding: 1.1rem;
}

.panel-metric span {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.panel-metric strong {
    font-size: 1.3rem;
}

.hero-panel-note {
    font-size: 0.95rem;
    color: var(--text-secondary);
    background: var(--surface-highlight);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 224, 255, 0.22);
    padding: 1rem 1.2rem;
}

.content-section {
    padding: 120px 0;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.content-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-heading {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3.2rem;
}

.section-eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.section-heading h2 {
    font-size: clamp(2.2rem, 3.3vw, 3rem);
    margin: 1rem 0;
    letter-spacing: -0.01em;
}

.section-heading p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
}

.metric-card {
    background: var(--surface-panel);
    border: 1px solid rgba(94, 125, 199, 0.35);
    border-radius: var(--radius-md);
    padding: 1.8rem 2rem;
    box-shadow: var(--shadow-soft);
    min-height: 100%;
}

.metric-card h3 {
    font-size: 1.65rem;
    margin-bottom: 0.85rem;
}

.metric-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.capability-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.capability-card {
    background: rgba(11, 16, 28, 0.82);
    border: 1px solid rgba(94, 123, 198, 0.35);
    border-radius: var(--radius-md);
    padding: 2.2rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.capability-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at 20% 15%, rgba(0, 224, 255, 0.14), transparent 60%);
    pointer-events: none;
}

.capability-card .card-number {
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.25);
    margin-bottom: 1rem;
}

.capability-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.9rem;
}

.capability-card p {
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.mode-tabs {
    display: inline-flex;
    background: rgba(9, 13, 24, 0.7);
    border: 1px solid rgba(90, 120, 195, 0.35);
    border-radius: 999px;
    padding: 0.4rem;
    gap: 0.4rem;
    backdrop-filter: blur(14px);
    margin: 0 auto 2.4rem;
}

.mode-tab {
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.7rem 1.8rem;
    border-radius: 999px;
    cursor: pointer;
    position: relative;
}

.mode-tab.active {
    color: #06070c;
    font-weight: 600;
}

.mode-tab.active::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--accent), var(--accent-alt));
    z-index: -1;
}

.mode-panels {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
}

.mode-panel {
    display: none;
    flex-direction: column;
    gap: 1.1rem;
    background: rgba(10, 14, 26, 0.82);
    border: 1px solid rgba(92, 123, 198, 0.35);
    border-radius: var(--radius-md);
    padding: 2.2rem;
    box-shadow: var(--shadow-soft);
}

.mode-panel.active {
    display: flex;
    grid-column: span 3;
}

.panel-header span {
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.panel-header h3 {
    font-size: 1.7rem;
    margin-top: 0.6rem;
}

.mode-panel p {
    color: var(--text-secondary);
}

.mode-highlights {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
}

.mode-highlights li {
    background: rgba(9, 13, 25, 0.76);
    border: 1px solid rgba(92, 123, 198, 0.3);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    color: var(--text-secondary);
    display: flex;
    gap: 0.6rem;
}

.mode-highlights li::before {
    content: '◦';
    color: var(--accent);
    font-size: 1.2rem;
    line-height: 1;
    margin-top: -0.1rem;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
}

.timeline-item {
    background: rgba(10, 15, 27, 0.8);
    border: 1px solid rgba(94, 125, 199, 0.35);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 1.8rem;
    left: 1.8rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-alt));
    box-shadow: 0 0 16px rgba(0, 224, 255, 0.6);
}

.timeline-label {
    display: block;
    font-size: 0.85rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.9rem;
    padding-left: 1.6rem;
}

.timeline-item p {
    color: var(--text-secondary);
    padding-left: 1.6rem;
}

.score-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
    align-items: stretch;
}

.score-card {
    background: rgba(10, 14, 25, 0.85);
    border: 1px solid rgba(92, 124, 197, 0.35);
    border-radius: var(--radius-md);
    padding: 2.1rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.score-card h3 {
    font-size: 2rem;
    margin-bottom: 0.8rem;
}

.score-card p {
    color: var(--text-secondary);
}

.score-note {
    grid-column: span 3;
    background: rgba(10, 15, 27, 0.75);
    border: 1px dashed rgba(90, 122, 195, 0.4);
    border-radius: var(--radius-sm);
    padding: 1.2rem 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.simulation-wrapper {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
    gap: 2rem;
    background: rgba(9, 13, 24, 0.78);
    border: 1px solid rgba(96, 126, 204, 0.35);
    border-radius: var(--radius-lg);
    padding: 2.4rem;
    box-shadow: var(--shadow-hard);
    backdrop-filter: blur(20px);
}

.chat-preview {
    display: flex;
    flex-direction: column;
    background: rgba(7, 10, 18, 0.86);
    border-radius: var(--radius-md);
    border: 1px solid rgba(88, 118, 192, 0.32);
    overflow: hidden;
}

.chat-header {
    padding: 1.4rem 1.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 20, 33, 0.9);
    border-bottom: 1px solid rgba(90, 121, 195, 0.32);
}

.chat-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.chat-info p {
    font-size: 0.9rem;
    color: #22c55e;
}

.chat-tag {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(0, 224, 255, 0.35);
    border-radius: 999px;
    padding: 0.4rem 1rem;
}

#chat-window {
    height: 360px;
    overflow-y: auto;
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

#chat-window::-webkit-scrollbar {
    width: 6px;
}

#chat-window::-webkit-scrollbar-thumb {
    background: rgba(0, 224, 255, 0.3);
    border-radius: 3px;
}

.message-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    max-width: 85%;
}

.user-group {
    align-self: flex-end;
    align-items: flex-end;
}

.assistant-group {
    align-self: flex-start;
    align-items: flex-start;
}

.message {
    background: rgba(16, 22, 35, 0.9);
    border: 1px solid rgba(92, 124, 197, 0.3);
    border-radius: 16px;
    padding: 0.85rem 1.15rem;
    font-size: 0.98rem;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInMessage 0.4s forwards;
}

.user-group .message {
    background: rgba(58, 63, 77, 0.88);
    border-bottom-right-radius: 6px;
}

.assistant-group .message {
    border-bottom-left-radius: 6px;
}

@keyframes fadeInMessage {
    to { opacity: 1; transform: translateY(0); }
}

.reply-quote {
    background: rgba(0, 224, 255, 0.08);
    border-left: 3px solid var(--accent);
    padding: 0.6rem 0.75rem;
    margin-bottom: 0.6rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-radius: 10px;
}

.markdown-content {
    color: inherit;
}

.markdown-content strong {
    color: var(--accent);
}

.memory-panel {
    background: rgba(12, 18, 31, 0.8);
    border: 1px solid rgba(95, 126, 202, 0.33);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.memory-panel h3 {
    text-align: center;
    font-size: 1.3rem;
    color: var(--accent);
}

#memory-list {
    list-style: none;
    overflow-y: auto;
    padding-right: 0.5rem;
    flex: 1;
}

#memory-list::-webkit-scrollbar {
    width: 4px;
}

#memory-list::-webkit-scrollbar-thumb {
    background: rgba(0, 224, 255, 0.35);
    border-radius: 2px;
}

.memory-item {
    background: rgba(24, 30, 46, 0.85);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 0.9rem 1rem;
    margin-bottom: 0.9rem;
    color: var(--text-secondary);
    transform: translateX(20px);
    opacity: 0;
    animation: memoryIn 0.45s forwards;
}

@keyframes memoryIn {
    to { transform: translateX(0); opacity: 1; }
}

.memory-item .question {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}

.memory-process {
    background: rgba(10, 15, 27, 0.78);
    border: 1px solid rgba(92, 123, 198, 0.35);
    border-radius: var(--radius-sm);
    padding: 1rem 1.2rem;
    margin: 0.85rem auto;
    width: 92%;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInMessage 0.45s forwards;
}

.query-part {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--accent);
    font-size: 0.95rem;
}

.retrieval-part {
    margin-top: 0.4rem;
    padding-top: 0.6rem;
    border-top: 1px solid rgba(92, 124, 197, 0.25);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.45s ease, opacity 0.45s ease;
}

.retrieval-part.visible {
    max-height: 120px;
    opacity: 1;
}

.retrieval-part.success {
    color: #34d399;
}

.retrieval-part.error {
    color: #f87171;
}

.retrieval-part svg {
    flex-shrink: 0;
}

.markdown-content ul {
    margin: 0.6rem 0;
    padding-left: 1.5rem;
}

.markdown-content li {
    margin-bottom: 0.35rem;
    color: var(--text-secondary);
}

.beta-container {
    background: rgba(10, 15, 27, 0.82);
    border: 1px solid rgba(96, 124, 201, 0.35);
    border-radius: var(--radius-lg);
    padding: 3.2rem 3rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(20px);
}

.beta-form {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2.2rem;
}

.beta-form input[type="email"] {
    min-width: 290px;
    padding: 0.95rem 1.4rem;
    border-radius: 999px;
    border: 1px solid rgba(94, 122, 198, 0.3);
    background: rgba(6, 10, 19, 0.7);
    color: var(--text-primary);
    font-size: 1rem;
}

.beta-form input[type="email"]:focus {
    outline: none;
    border-color: var(--accent);
}

.beta-form button {
    padding: 0.95rem 2.4rem;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, var(--accent), var(--accent-alt));
    color: #020205;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.beta-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 55px rgba(0, 224, 255, 0.28);
}

#form-message {
    margin-top: 1.2rem;
    min-height: 24px;
    font-weight: 600;
}

#form-message.success {
    color: #34d399;
}

#form-message.error {
    color: #f87171;
}

.footer {
    padding: 3.2rem 0;
    text-align: center;
    border-top: 1px solid rgba(82, 110, 180, 0.35);
    background: rgba(6, 9, 16, 0.76);
    backdrop-filter: blur(16px);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.92rem;
}

#observing-eye {
    position: fixed;
    width: 60px;
    height: 30px;
    opacity: 0.35;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: -1;
}

#observing-eye.hidden {
    opacity: 0;
}

/* Erişilebilirlik: hareketi azalt */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 1100px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.4rem;
        text-align: center;
    }

    .hero-copy,
    .hero-copy .sub-headline {
        margin: 0 auto;
    }

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

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

    .hero-panel {
        max-width: 540px;
        margin: 0 auto;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .capability-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mode-panels .mode-panel.active {
        grid-column: span 3;
    }

    .timeline {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .score-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .score-note {
        grid-column: span 2;
    }

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

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    /* Telefon/Tablet: bölüm animasyonlarını kapat, anında göster */
    .fade-in-section {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .metrics-grid,
    .capability-cards,
    .timeline,
    .score-grid {
        grid-template-columns: 1fr;
    }

    .score-note {
        grid-column: span 1;
    }

    .mode-tabs {
        flex-direction: column;
        gap: 0.5rem;
        border-radius: var(--radius-md);
    }

    .mode-tab {
        width: 100%;
    }

    .mode-tab.active::before {
        border-radius: calc(var(--radius-md) - 4px);
    }

    .mode-panels {
        display: flex;
        flex-direction: column;
    }

    .mode-panel.active {
        grid-column: auto;
    }

    .hero-panel-metrics {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .simulation-wrapper {
        padding: 2rem 1.6rem;
    }

    #chat-window {
        height: 320px;
        padding: 1.4rem;
    }

    .beta-container {
        padding: 2.6rem 1.8rem;
    }
}

@media (max-width: 520px) {
    .main-headline {
        font-size: clamp(2.2rem, 9vw, 3.2rem);
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
    }

    .hero-panel {
        padding: 1.8rem;
    }

    .hero-panel-header h2 {
        font-size: 1.4rem;
    }

    .panel-metric strong {
        font-size: 1.15rem;
    }

    .message {
        font-size: 0.95rem;
    }
}

/* Ekstra küçük ekranlar için (telefon < 380px) hassas ayarlar */
@media (max-width: 380px) {
    .navbar {
        margin-bottom: 2rem;
        padding: 1.4rem 0;
    }
    .navbar-container,
    .container {
        padding: 0 1rem;
    }
    .current-lang {
        padding: 0.45rem 0.9rem;
        font-size: 0.85rem;
    }
    .lang-options {
        width: 120px;
    }
    .hero-section {
        padding: 1rem 0 2.2rem;
    }
    .hero-panel {
        padding: 1.4rem;
    }
    .hero-panel-metrics {
        gap: 0.6rem;
    }
    .cta-button {
        padding: 0.85rem 1.2rem;
    }
    .content-section {
        padding: 80px 0;
    }
    .metrics-grid,
    .capability-cards,
    .timeline,
    .score-grid {
        gap: 0.9rem;
    }
    .capability-card {
        padding: 1.6rem;
    }
    .mode-tabs {
        padding: 0.25rem;
    }
    .mode-tab {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    .simulation-wrapper {
        padding: 1.4rem;
        gap: 1rem;
    }
    #chat-window {
        height: 300px;
        padding: 1.1rem;
    }
    .memory-panel {
        padding: 1.2rem;
    }
}