/* ==========================================================================
   redesign.css — lớp thiết kế lại 27/08/2026
   Phong cách: đơn giản · hiệu quả · độ uy tín cao (premium minimal).
   Override landing.css + site.css. Rollback: gỡ 1 link stylesheet là về bản cũ.
   ========================================================================== */

/* --- 1. Design tokens mở rộng --------------------------------------------- */
:root{
  --radius:10px;--radius-lg:16px;--radius-pill:999px;
  --surface:#14181a;--surface-2:#1b2123;--line:rgba(243,244,236,.10);--muted:#a8b1ab;
  --shadow-card:0 1px 0 rgba(243,244,236,.04),0 14px 34px rgba(0,0,0,.24);
  --shadow-hero:0 26px 70px rgba(0,0,0,.4);
  --shadow-btn:0 8px 22px rgba(212,255,63,.13);
  --pad-section:112px;
}
:root[data-theme="light"]{
  --surface:#ffffff;--surface-2:#eef0e7;--line:rgba(20,23,18,.12);--muted:#5c6457;
  --shadow-card:0 1px 2px rgba(20,23,18,.05),0 12px 30px rgba(20,23,18,.07);
  --shadow-hero:0 26px 64px rgba(20,23,18,.16);
  --shadow-btn:0 8px 20px rgba(56,97,10,.16);
}

/* --- 2. Nền tảng & khoảng trắng ------------------------------------------ */
html{scroll-padding-top:86px}
body{line-height:1.7}
.section{padding:var(--pad-section) 0}
h1,h2,h3{text-wrap:balance}
h1{font-size:clamp(52px,6.6vw,96px);line-height:.98;letter-spacing:-.05em;margin:26px 0}
h2{font-size:clamp(38px,4.8vw,66px);line-height:1.05;letter-spacing:-.05em;margin:18px 0 30px}

/* --- 3. Nav — gọn, sang ---------------------------------------------------- */
.site-header{background:color-mix(in srgb,var(--bg) 76%,transparent);backdrop-filter:blur(20px) saturate(1.5)}
.nav{height:72px}
.nav-links{gap:34px;font-size:14px;font-weight:500;letter-spacing:.01em}
.nav-links a{position:relative}
.nav-links a:hover{color:var(--lime)}
.theme-toggle{border-radius:50%}

/* --- 4. Button — rõ ràng, bớt neon ---------------------------------------- */
.button{border-radius:8px;font-weight:700;letter-spacing:.01em;gap:12px}
.button--lime{box-shadow:var(--shadow-btn)}
.button--lime:hover{box-shadow:0 12px 30px rgba(212,255,63,.2)}
.button--small{border-radius:7px}
.text-link{border-bottom-color:var(--line);font-weight:500;letter-spacing:.02em}

/* --- 5. Hero — ảnh chân dung là trọng tâm, bỏ decoration ------------------ */
.hero{min-height:auto;padding-top:150px;gap:72px}
.hero-copy h1{letter-spacing:-.05em}
.hero-lead{font-size:17px;line-height:1.85;max-width:520px}
.kicker{gap:10px}
.hero-actions{margin-top:34px}
.hero-meta{margin-top:52px}
.hero-art{height:520px}
.art-grid,.art-orbit,.float-card{display:none}
.hero-portrait{border-radius:14px;box-shadow:var(--shadow-hero)}
.hero-portrait figcaption{font-size:10px;letter-spacing:.16em;padding:12px 16px}
.hero-background:after{background:linear-gradient(90deg,var(--bg) 6%,color-mix(in srgb,var(--bg) 74%,transparent) 52%,var(--bg) 100%)}

/* --- 6. Proof bar — số liệu rõ -------------------------------------------- */
.proof-bar{background:var(--surface)}
.proof-inner{padding:34px 0}
.proof-intro{max-width:340px;line-height:1.7}
.proof-inner strong{font-weight:800;letter-spacing:-.04em;font-variant-numeric:tabular-nums}

/* --- 7. Section heading ----------------------------------------------------- */
.section-index{letter-spacing:.18em}
.section-heading h2{margin-bottom:26px}
.section-heading>p{max-width:520px;line-height:1.8}

/* --- 8. Work cards — card sạch, ảnh bo góc --------------------------------- */
.work-grid{gap:20px}
.work-card{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-card);transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;overflow:hidden}
.work-card:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--lime) 45%,var(--line))}
.work-illus{border-radius:var(--radius);border-color:transparent;margin-bottom:20px}
.work-card-main{padding:0 26px 6px}
.work-card-head{padding:20px 26px 0}
.work-card-foot{padding:0 26px 24px;gap:8px}
.work-card-foot span{border:1px solid var(--line);border-radius:var(--radius-pill);padding:5px 11px;font-size:11px;color:var(--muted)}
.work-card h3{font-size:clamp(24px,2.6vw,32px)}
.work-card p:not(.work-eyebrow){font-size:14px;line-height:1.75}
.work-eyebrow{letter-spacing:.14em}

/* --- 9. Showreel ------------------------------------------------------------ */
.showreel-grid{gap:20px}
.showreel-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}
.showreel-caption{padding:54px 18px 16px;border-radius:0 0 var(--radius-lg) var(--radius-lg)}
.showreel-caption strong{font-size:16px}

/* --- 10. Hành trình --------------------------------------------------------- */
.timeline-item{border-left:1px solid var(--line);padding:0 0 30px 26px;position:relative}
.timeline-item:before{content:'';position:absolute;left:-5px;top:6px;width:9px;height:9px;border-radius:50%;background:var(--lime)}
.timeline-item span{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;color:var(--muted)}
.timeline-item h3{font-size:22px;letter-spacing:-.03em}
.timeline-item p{line-height:1.75}

/* --- 11. Liên hệ & form ------------------------------------------------------ */
.contact-section{padding:110px 0}
.contact-inner{gap:64px}
.contact-links{gap:8px 22px;font-size:14px}
.lead-form{margin-top:28px;gap:16px}
.field label{opacity:.8}
.field input,.field textarea,.field select{border-radius:8px;padding:14px 15px}
.lead-form--dark .field input,.lead-form--dark .field textarea,.lead-form--dark .field select{background:var(--surface-2)}
.form-note{line-height:1.7}

/* --- 12. Footer -------------------------------------------------------------- */
.footer{padding:34px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}

/* --- 13. Trang phụ: page hero ------------------------------------------------ */
.page-hero{padding:168px 0 66px}
.page-hero h1{letter-spacing:-.05em}
.page-hero p{line-height:1.85}

/* --- 14. Blog cards ------------------------------------------------------------ */
.post-grid{gap:20px}
.post-card{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);background:var(--surface)}
.post-card:hover{transform:translateY(-5px)}
.post-card img,.post-card svg{border-radius:var(--radius-lg) var(--radius-lg) 0 0;border-bottom:1px solid var(--line)}
.post-card-body{padding:22px 24px 24px}
.post-card h3{font-size:20px;line-height:1.3}
.post-card p{line-height:1.7}
.post-meta{letter-spacing:.16em}

/* --- 15. Portfolio -------------------------------------------------------------- */
.project-list--dynamic{gap:22px}
.project-item{border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:transform .3s var(--ease),border-color .3s}
.project-item:hover{transform:translateY(-4px)}
.project-media{border-right:1px solid var(--line)}
.project-copy{padding:34px 36px}
.project-copy h2{font-size:clamp(24px,2.8vw,36px);margin:12px 0 16px}
.project-copy p{line-height:1.8;font-size:14.5px}
.project-link a{font-weight:600}
.video-facade-play{border-radius:50%}

/* --- 16. Bộ lọc — pill ---------------------------------------------------------- */
.filter-btn{border-radius:var(--radius-pill);padding:10px 18px}
.filter-btn.is-active{box-shadow:var(--shadow-btn)}

/* --- 17. Trang chi tiết dự án ---------------------------------------------------- */
.project-detail{padding-top:160px;padding-bottom:110px}
.project-detail-head h1{letter-spacing:-.055em}
.project-detail-media{border-radius:var(--radius-lg)}
.project-detail-actions .button{border-radius:8px}

/* --- 18. Prose ---------------------------------------------------------------------- */
.prose{line-height:1.9}
.prose h2{font-size:30px;letter-spacing:-.04em}
.prose img{border-radius:var(--radius)}
.video-embed{border-radius:var(--radius)}

/* --- 19. Khách hàng ------------------------------------------------------------------ */
.clients-bar{padding:26px 0;background:var(--surface)}

/* --- 20. Bỏ hiệu ứng rườm rà --------------------------------------------------------- */
.fx-bubble{display:none}

/* --- 21. Light mode tinh chỉnh --------------------------------------------------------- */
:root[data-theme="light"] .work-card,:root[data-theme="light"] .post-card,
:root[data-theme="light"] .project-item{background:var(--surface)}
:root[data-theme="light"] .work-card-foot span{color:var(--muted)}
:root[data-theme="light"] .hero-portrait figcaption{background:linear-gradient(transparent,rgba(244,245,239,.94));color:#38610a}

/* --- 22. Responsive -------------------------------------------------------------------- */
@media (max-width:900px){
  :root{--pad-section:92px}
  .hero{padding-top:120px;gap:48px}
  .hero-art{height:430px}
  .section-heading>p{max-width:100%}
  .work-card-main{padding:0 22px 4px}
  .work-card-head{padding:18px 22px 0}
  .work-card-foot{padding:0 22px 20px}
}
@media (max-width:640px){
  :root{--pad-section:74px}
  .section{padding:74px 0}
  .hero{padding-top:112px}
  .hero-lead{font-size:15.5px}
  .hero-art{height:330px}
  .hero-meta{margin-top:38px}
  .page-hero{padding:120px 0 48px}
  .contact-section{padding:80px 0}
  .contact-inner{gap:44px}
  .project-copy{padding:24px 22px}
  .post-card-body{padding:18px 20px 20px}
  .footer{padding:26px 0}
  .timeline-item{padding-left:20px}
}
@media (prefers-reduced-motion:reduce){
  .work-card,.post-card,.project-item{transition:none;transform:none}
}

/* ==========================================================================
   Lớp nâng cấp 27/08 (đêm): self-host font + hiệu ứng tương tác + Safari
   ========================================================================== */

/* --- Safari / MacOS: fallback cho color-mix (Safari <16.2 bỏ qua cả rule) --- */
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .site-header{background:rgba(11,13,14,.88)}
  :root[data-theme="light"] .site-header{background:rgba(244,245,239,.92)}
  .hero-background:after{background:linear-gradient(90deg,var(--bg) 8%,rgba(11,13,14,.74) 52%,var(--bg) 100%)}
  :root[data-theme="light"] .hero-background:after{background:linear-gradient(90deg,var(--bg) 8%,rgba(244,245,239,.78) 52%,var(--bg) 100%)}
  .status-dot{box-shadow:0 0 0 5px rgba(212,255,63,.12)}
}
.site-header{-webkit-backdrop-filter:blur(20px) saturate(1.5)}
.hero-background{-webkit-mask-image:none}
@media (-webkit-min-device-pixel-ratio:2){.hero-portrait figcaption{-webkit-backdrop-filter:blur(4px)}}

/* --- Spotlight theo chuột --------------------------------------------------- */
.fx-spotlight{position:fixed;top:0;left:0;width:440px;height:440px;margin:-220px 0 0 -220px;border-radius:50%;
  background:radial-gradient(circle,rgba(212,255,63,.075),transparent 62%);
  pointer-events:none;z-index:2;will-change:transform;display:none}
body:hover .fx-spotlight{display:block}
@media (max-width:900px){.fx-spotlight{display:none!important}}

/* --- Scroll reveal ----------------------------------------------------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* --- Card glow theo chuột ------------------------------------------------------ */
.work-card,.project-item,.post-card,.showreel-card{position:relative}
.work-card:before,.project-item:before,.post-card:before,.showreel-card:before{
  content:'';position:absolute;inset:0;border-radius:inherit;z-index:1;pointer-events:none;
  background:radial-gradient(560px circle at var(--mx,50%) var(--my,50%),rgba(212,255,63,.08),transparent 46%);
  opacity:0;transition:opacity .35s}
.work-card:hover:before,.project-item:hover:before,.post-card:hover:before,.showreel-card:hover:before{opacity:1}
.work-card-main,.project-copy,.post-card-body,.showreel-caption{position:relative;z-index:2}

/* --- Chữ mono mới (JetBrains Mono) — mượt hơn trên màn hình nhỏ --------------- */
.brand-logo .brand-sub,.kicker,.section-index,.post-meta,.tag,.work-eyebrow,.hero-meta,.filter-btn span{
  -webkit-font-smoothing:antialiased}

/* --- Mobile tinh chỉnh thêm ----------------------------------------------------- */
@media (max-width:640px){
  .brand-logo img{height:28px}
  .hero-copy h1{letter-spacing:-.035em}
  .hero-art{height:300px}
  .hero-portrait{inset:6% 7% 6% 8%}
  .work-card h3{font-size:clamp(26px,8.5vw,34px)}
  .filter-btn{font-size:12.5px}
  .nav-links{background:color-mix(in srgb,var(--bg) 96%,transparent)}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .fx-spotlight{display:none!important}
}