.hero { padding-block: 76px 52px; }
.hero-copy h1 { margin-block: 18px 19px; }
.hero-copy h1 span { display: block; }
.hero-lead { max-width: 740px; }
.hero-note { font-size: 13px; }
.product-section { padding-bottom: 83px; }
.product-preview { min-height: 500px; grid-template-columns: 195px minmax(0,1fr); }
.scenario-content { display: flex; flex-direction: column; justify-content: center; max-width: 750px; width: calc(100% - 64px); margin: auto; padding: 36px 0; }
.scenario-content h2 { margin: 0 0 8px; font-size: clamp(31px,3vw,41px); }
.scenario-intro { margin: 0 0 25px; color: var(--muted); font-size: 15px; }
.scenario-request { padding: 17px 20px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface-soft); }
.scenario-request span { color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.scenario-request p { margin: 8px 0 0; font-size: 16px; font-weight: 650; line-height: 1.5; }
.scenario-steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin-top: 15px; }
.scenario-steps > div { padding: 16px; border: 1px solid var(--line); border-radius: 7px; }
.scenario-steps span { display: block; margin-bottom: 14px; color: var(--accent); font-size: 11px; font-weight: 800; }
.scenario-steps strong { display: block; font-size: 15px; }
.scenario-steps p { margin: 5px 0 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
.compact-models { display: grid; grid-template-columns: 1.15fr .85fr; gap: 72px; align-items: center; }
.compact-models h2 { max-width: 550px; margin: 14px 0 18px; font-size: clamp(32px,3.5vw,48px); }
.compact-models p:not(.eyebrow) { max-width: 560px; color: var(--muted); }
.model-stack { display: grid; gap: 8px; }
.model-stack > span { display: flex; justify-content: space-between; gap: 16px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); font-weight: 750; }
.model-stack small { color: var(--muted); font-size: 12px; font-weight: 500; text-align: right; }
.plans-section { background: var(--surface); }
.plan-name-row { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.plan-name-row span { padding: 23px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); font-size: 23px; font-weight: 750; letter-spacing: -.04em; }
.plan-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.plan-grid article { display: flex; flex-direction: column; min-height: 255px; padding: 22px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.plan-grid article > span { color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.plan-grid h2 { margin: 25px 0 12px; font-size: 31px; }
.plan-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.plan-grid article > div { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.beta-status-panel,.updates-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 35px; padding: 38px 42px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.beta-status-panel { border-left: 4px solid var(--accent); }
.beta-status-panel h2,.updates-panel h2 { margin: 12px 0 0; font-size: clamp(27px,2.6vw,35px); }
.beta-status-panel p:not(.panel-kicker),.updates-panel p:not(.panel-kicker) { margin: 0 0 13px; color: var(--muted); }
.updates-panel strong { color: var(--ink); }
.beta-process-intro { margin-top: 75px; }
.footer-grid { grid-template-columns: 2fr repeat(2,1fr) 1.6fr; }
.home-chat-section { padding-block: 30px 54px; }
.home-chat-shell { display: grid; grid-template-columns: 205px minmax(0,1fr); min-height: min(680px,calc(100svh - 135px)); overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.home-chat-sidebar { display: flex; flex-direction: column; padding: 24px 16px; border-right: 1px solid var(--line); background: var(--surface-soft); }
.home-chat-sidebar .workspace-brand { margin: 0 0 32px 8px; }
.home-chat-side-item { display: flex; justify-content: space-between; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); font-size: 14px; font-weight: 700; }
.home-chat-side-item + .home-chat-side-item { margin-top: 10px; }
.home-chat-side-item.muted { color: var(--muted); background: transparent; }
.home-chat-sidebar > p { margin: auto 9px 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.home-chat-main { display: flex; flex-direction: column; min-width: 0; }
.home-chat-topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 17px 25px; border-bottom: 1px solid var(--line); font-size: 15px; }
.home-chat-topbar > div { display: flex; align-items: center; gap: 16px; }
.home-chat-topbar a { color: var(--accent); font-size: 14px; font-weight: 750; }
.home-chat-topbar a:hover { text-decoration: underline; text-underline-offset: 3px; }
.home-chat-status { padding: 5px 11px; border-radius: 999px; background: var(--accent-light); color: var(--accent); font-size: 12px; font-weight: 750; }
.home-chat-center { display: flex; flex: 1; flex-direction: column; align-items: center; justify-content: center; padding: 28px 24px 20px; text-align: center; }
.home-chat-symbol { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 24px; border-radius: 15px; background: #172033; }
.home-chat-symbol img { display: block; width: 100%; height: 100%; padding: 4px; object-fit: contain; }
.home-chat-center h1 { max-width: 650px; margin: 0; font-size: clamp(29px,4vw,48px); }
.home-chat-center p { margin: 14px 0 0; color: var(--muted); font-size: 16px; }
.home-chat-bottom { width: min(100%,820px); margin-inline: auto; padding: 18px 28px 24px; }
.home-chat-bottom > label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 700; }
.home-chat-composer { display: flex; align-items: flex-end; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 13px; background: var(--bg); }
.home-chat-composer textarea { flex: 1; min-width: 0; resize: none; border: 0; outline: none; background: transparent; color: var(--muted); font: inherit; font-size: 16px; }
.home-chat-composer button { padding: 10px 18px; border: 0; border-radius: 9px; background: var(--accent-light); color: var(--muted); font-weight: 700; cursor: not-allowed; }
.home-chat-actions { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 17px; color: var(--muted); font-size: 14px; line-height: 1.45; }
.home-chat-actions a { flex: none; display: inline-flex; align-items: center; gap: 12px; padding: 11px 16px; border-radius: 8px; background: var(--navy); color: #fff; font-size: 14px; font-weight: 750; }
.home-chat-actions a:hover { background: #3745a7; }
.home-chat-legal { margin: 13px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.home-chat-legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.ai-preview-page { padding: 64px 0 88px; }
.ai-preview-heading { max-width: 780px; text-align: center; }
.ai-preview-heading h1 { margin: 12px 0 18px; font-size: clamp(39px,5vw,66px); }
.ai-preview-heading h1 span { color: var(--accent); }
.ai-preview-heading > p:last-child { color: var(--muted); font-size: 18px; }
.ai-preview-shell { display: grid; grid-template-columns: 245px minmax(0,1fr); min-height: 560px; margin-top: 42px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.ai-preview-sidebar { display: flex; flex-direction: column; gap: 13px; padding: 24px 18px; background: var(--surface-soft); border-right: 1px solid var(--line); }
.ai-preview-sidebar .workspace-brand { margin: 0 0 28px; color: var(--ink); }
.ai-preview-side-item { display: flex; justify-content: space-between; padding: 11px 12px; border: 1px solid var(--line); border-radius: 9px; font-size: 14px; font-weight: 700; }
.ai-preview-sidebar > p { margin-top: auto; color: var(--muted); font-size: 13px; }
.ai-preview-chat { display: flex; flex-direction: column; min-width: 0; }
.ai-preview-topbar { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 18px 26px; border-bottom: 1px solid var(--line); font-weight: 750; }
.ai-preview-status { padding: 5px 10px; border-radius: 30px; background: var(--accent-light); color: var(--accent); font-size: 12px; }
.ai-preview-center { max-width: 540px; margin: auto; padding: 42px 24px; text-align: center; }
.ai-preview-symbol { display: inline-grid; place-items: center; width: 54px; height: 54px; margin-bottom: 24px; border-radius: 16px; background: #172033; }
.ai-preview-symbol img { display: block; width: 100%; height: 100%; padding: 4px; object-fit: contain; }
.ai-preview-center h2 { margin: 0 0 13px; font-size: clamp(26px,3vw,36px); }
.ai-preview-center p { color: var(--muted); }
.ai-preview-composer { padding: 20px 24px 22px; border-top: 1px solid var(--line); }
.ai-preview-composer > label { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 700; }
.ai-preview-input { display: flex; align-items: flex-end; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.ai-preview-input textarea { flex: 1; min-width: 0; resize: none; border: 0; outline: 0; background: transparent; color: var(--muted); font: inherit; }
.ai-preview-input button { padding: 9px 17px; border: 0; border-radius: 8px; background: var(--accent-light); color: var(--muted); font-weight: 700; cursor: not-allowed; }
.ai-preview-legal { margin: 11px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.ai-preview-legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.ai-preview-next { display: flex; justify-content: center; align-items: center; gap: 22px; margin-top: 30px; }
.ai-preview-next p { margin: 0; }
.about-brand-figure { margin-top: 40px; margin-bottom: 72px; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #111c34; text-align: center; }
.about-brand-figure img { display: block; width: min(100%, 320px); height: auto; margin: 0 auto; }
.about-brand-figure figcaption { margin-top: 18px; color: #d8e0f1; font-size: 15px; line-height: 1.5; }
@media (max-width: 800px) { .hero { padding-block: 65px 44px; } .compact-models { grid-template-columns: 1fr; gap: 25px; } .plan-grid,.plan-name-row { grid-template-columns: repeat(2,minmax(0,1fr)); } .beta-status-panel,.updates-panel { grid-template-columns: 1fr; gap: 18px; } }
@media (max-width: 800px) { .ai-preview-shell { grid-template-columns: 1fr; } .ai-preview-sidebar { display: none; } }
@media (max-width: 800px) { .home-chat-shell { grid-template-columns: 1fr; min-height: 630px; } .home-chat-sidebar { display: none; } }
@media (max-width: 600px) { .ai-preview-page { padding-top: 48px; } .ai-preview-shell { width: min(100% - 24px,1160px); min-height: 520px; margin-top: 30px; } .ai-preview-topbar { padding: 16px; } .ai-preview-composer { padding: 15px; } .ai-preview-next { flex-direction: column; gap: 12px; } }
@media (max-width: 600px) { .home-chat-section { width: min(100% - 20px,1160px); padding-block: 12px 42px; } .home-chat-shell { min-height: min(680px,calc(100svh - 105px)); border-radius: 14px; } .home-chat-topbar { padding: 15px 18px; } .home-chat-center { padding: 24px 20px 12px; } .home-chat-symbol { margin-bottom: 15px; } .home-chat-bottom { padding: 15px; } .home-chat-actions { align-items: stretch; flex-direction: column; gap: 12px; } .home-chat-actions a { justify-content: center; } .home-chat-legal { font-size: 12px; } }
@media (max-width: 600px) { .hero { padding-block: 55px 38px; } .hero-copy h1 { font-size: clamp(42px,10.4vw,61px); } .product-preview { display: block; } .scenario-content { width: calc(100% - 34px); padding-block: 30px; } .scenario-content h2 { font-size: 29px; } .scenario-steps { grid-template-columns: 1fr; gap: 8px; } .scenario-steps > div { display: grid; grid-template-columns: 27px 1fr; column-gap: 8px; padding: 12px; } .scenario-steps span { grid-row: span 2; margin: 0; } .scenario-steps p { margin: 0; } .model-stack > span { display: block; } .model-stack small { display: block; text-align: left; } .plan-grid { grid-template-columns: 1fr; } .plan-grid article { min-height: 190px; } .plan-name-row span { font-size: 19px; padding: 15px; } .beta-status-panel,.updates-panel { padding: 26px; } .footer-grid { grid-template-columns: repeat(2,1fr); } .footer-note { grid-column: 1 / -1; } }
.why-synara { border-top: 1px solid var(--line); }
.why-synara-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 8vw, 120px); }
.why-synara h2 { margin: 12px 0 0; max-width: 590px; font-size: clamp(35px, 4vw, 54px); line-height: 1.1; letter-spacing: -.05em; }
.why-synara-layout > div:last-child { align-self: center; max-width: 570px; }
.why-synara-layout > div:last-child p { color: var(--muted); font-size: 17px; line-height: 1.7; }
.synara-cycle { background: var(--surface); }
.cycle-grid, .system-grid, .about-detail-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.cycle-grid li, .system-grid article, .about-detail-grid article { min-width: 0; padding: 25px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg); }
.cycle-grid span, .system-grid span { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.cycle-grid h3, .system-grid h3 { margin: 30px 0 10px; font-size: 23px; line-height: 1.2; }
.cycle-grid p, .system-grid p, .about-detail-grid p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.synara-systems .system-grid article { background: var(--surface); }
.about-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 35px; margin-bottom: 35px; }
.about-detail-grid article { padding: 34px; background: var(--surface); }
.about-detail-grid h2 { margin: 14px 0 18px; font-size: clamp(25px, 2.7vw, 36px); line-height: 1.15; }
@media (max-width: 800px) { .why-synara-layout { grid-template-columns: 1fr; gap: 20px; } .cycle-grid, .system-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .cycle-grid, .system-grid, .about-detail-grid { grid-template-columns: 1fr; } .cycle-grid li, .system-grid article, .about-detail-grid article { padding: 22px; } .cycle-grid h3, .system-grid h3 { margin-top: 18px; } }