/* Sinh Vũ marketing site — page layout (consumes design-system tokens) */

.site-scroll { height: 100vh; overflow-y: auto; scroll-behavior: smooth; background: var(--surface-page); }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 32px; }
.section { padding: var(--space-24) 0; }
.section--paper { background: var(--surface-paper); }
.section--navy { background: var(--color-deep-navy); }

/* ---- Nav ---- */
.nav { position: sticky; top: 0; z-index: var(--z-sticky); background: var(--color-deep-navy); transition: background var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); border-bottom: 1px solid transparent; }
.nav--scrolled { background: color-mix(in srgb, var(--color-deep-navy) 92%, transparent); backdrop-filter: blur(10px); border-bottom-color: color-mix(in srgb, #fff 10%, transparent); }
.nav__inner { max-width: var(--container-max); margin: 0 auto; padding: 8px 32px; display: flex; align-items: center; gap: 32px; }
.nav__brand img { height: var(--logo-h-md); width: auto; display: block; }
.nav__links { display: flex; gap: 28px; margin-left: 8px; }
.nav__links a { font-family: var(--font-sans); font-size: 14px; font-weight: 500; color: color-mix(in srgb, var(--color-off-white) 78%, transparent); text-decoration: none; transition: color var(--dur-base) var(--ease-out); }
.nav__links a:hover { color: var(--color-warm-cream); }
.nav__actions { margin-left: auto; }

/* ---- Hero ---- */
.hero { position: relative; background: var(--color-deep-navy); overflow: hidden; isolation: isolate; }
.hero__glow { position: absolute; inset: 0; z-index: -1; opacity: 0.6;
  background: radial-gradient(50% 60% at 75% 10%, color-mix(in srgb, var(--color-studio-blue) 90%, transparent), transparent 60%),
              radial-gradient(40% 50% at 10% 90%, color-mix(in srgb, var(--color-bordeaux) 50%, transparent), transparent 60%); }
.hero__inner { max-width: var(--container-max); margin: 0 auto; padding: 120px 32px 110px; }
.hero__eyebrow { font-family: var(--font-sans); font-size: 13px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-warm-cream); }
.hero__display { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: clamp(3rem, 1.8rem + 6vw, 5.5rem); line-height: 1.0; letter-spacing: 0.01em; color: var(--color-off-white); margin: 22px 0 0; }
.hero__title { font-family: var(--font-heading); font-weight: 700; font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.75rem); line-height: 1.06; letter-spacing: -0.01em; color: var(--color-off-white); margin: 18px 0 0; }
.hero__title em { font-family: var(--font-heading); font-style: normal; color: var(--color-warm-cream); }
.hero__title em { color: var(--color-warm-cream); }
.hero__sub { font-family: var(--font-signature); font-size: clamp(1.3rem, 1rem + 1.2vw, 1.9rem); line-height: 1.6; color: var(--color-warm-cream); margin: 18px 0 0; }
.hero__lead { font-family: var(--font-sans); font-size: 19px; line-height: 1.65; color: color-mix(in srgb, var(--color-off-white) 78%, transparent); max-width: 56ch; margin: 28px 0 0; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 36px 0 0; }
.hero__meta { display: flex; gap: 56px; margin-top: 64px; flex-wrap: wrap; }
.hero__meta div { display: flex; flex-direction: column; gap: 4px; }
.hero__meta strong { font-family: var(--font-heading); font-size: 40px; font-weight: 700; color: var(--color-warm-cream); line-height: 1; font-feature-settings: 'tnum' 1, 'lnum' 1; }
.hero__meta span { font-family: var(--font-sans); font-size: 13px; color: color-mix(in srgb, var(--color-off-white) 64%, transparent); }

/* ---- Positioning ---- */
.positioning__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: var(--space-12); }
.positioning__item { display: flex; flex-direction: column; gap: 10px; }
.positioning__bar { width: 36px; height: 3px; background: var(--accent); border-radius: 2px; }
.positioning__item h3 { font-family: var(--font-heading); font-size: 22px; font-weight: 600; letter-spacing: -0.01em; color: var(--text-primary); margin: 6px 0 0; }
.positioning__item p { font-size: 15px; line-height: 1.65; color: var(--text-secondary); margin: 0; }

/* ---- Services ---- */
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: var(--space-12); }

/* ---- Diagnosis ---- */
.diagnosis__head { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; }
.diagnosis__cta h3 { font-family: var(--font-heading); font-size: 21px; font-weight: 600; color: var(--color-warm-cream); margin: 0 0 8px; }
.diagnosis__cta p { font-size: 14px; line-height: 1.6; color: color-mix(in srgb, var(--color-warm-cream) 82%, transparent); margin: 0 0 18px; }
.diagnosis__list { margin-top: var(--space-12); border-top: 1px solid var(--border-subtle); }

/* ---- Process ---- */
.process__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: var(--space-12); }
.process__grid > *:nth-child(5), .process__grid > *:nth-child(6), .process__grid > *:nth-child(7) { grid-row: 2; }

/* ---- Cases ---- */
.cases__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: var(--space-12); }

/* ---- Footer ---- */
.footer { background: var(--color-navy-900, #021530); padding: var(--space-16) 0 var(--space-8); }
.footer__top { max-width: var(--container-max); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1fr 2.6fr; gap: 56px; }
.footer__logo { height: var(--logo-h-lg); width: auto; justify-self: start; align-self: start; margin-bottom: 18px; }
.footer__tag { font-size: 15px; line-height: 1.65; color: color-mix(in srgb, var(--color-off-white) 70%, transparent); max-width: 40ch; margin: 0 0 24px; }
.footer__cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.footer__col h4 { font-family: var(--font-sans); font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-warm-cream); margin: 0 0 16px; }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.footer__col li { font-size: 14px; color: color-mix(in srgb, var(--color-off-white) 72%, transparent); }
.footer__base { max-width: var(--container-max); margin: var(--space-12) auto 0; padding: 24px 32px 0; border-top: 1px solid color-mix(in srgb, #fff 10%, transparent); display: flex; justify-content: space-between; font-size: 13px; color: color-mix(in srgb, var(--color-off-white) 55%, transparent); }
.footer__base-links { display: flex; gap: 20px; }
.footer__base-links a { color: inherit; text-decoration: none; }
.footer__base-links a:hover { color: var(--color-warm-cream); }

/* ---- Hero chat box (Cửa 02 inline) ---- */
.hero__chat { margin: 36px 0 0; max-width: 620px; background: color-mix(in srgb, #fff 7%, transparent); border: 1px solid color-mix(in srgb, #fff 16%, transparent); border-radius: var(--radius-lg); padding: 18px 20px; backdrop-filter: blur(8px); }
.hero__chat-label { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--color-warm-cream); font-weight: 600; }
.hero__chat-label i { width: 8px; height: 8px; border-radius: 50%; background: var(--color-signal-red); display: inline-block; }
.hero__chat-input { display: flex; align-items: center; gap: 12px; margin-top: 12px; background: color-mix(in srgb, var(--color-deep-navy) 60%, #000); border: 1px solid color-mix(in srgb, #fff 14%, transparent); border-radius: var(--radius-md); padding: 12px 14px; }
.hero__chat-input input { flex: 1; background: none; border: none; outline: none; color: var(--color-off-white); font-family: var(--font-sans); font-size: 15px; }
.hero__chat-input input::placeholder { color: color-mix(in srgb, var(--color-off-white) 50%, transparent); }
.hero__chat-hint { font-size: 11.5px; color: color-mix(in srgb, var(--color-off-white) 52%, transparent); margin-top: 9px; }
.hero__founder-note { margin-top: 28px; font-size: 14px; line-height: 1.6; color: color-mix(in srgb, var(--color-off-white) 70%, transparent); max-width: 52ch; padding-left: 14px; border-left: 2px solid var(--accent); }

/* ---- Doors (3 cửa) ---- */
.doors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: var(--space-12); }
.door { display: flex; flex-direction: column; gap: 12px; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 28px; text-decoration: none; transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); }
.door:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.door__num { font-family: var(--font-display); font-weight: 700; font-size: 30px; color: var(--accent); line-height: 1; }
.door__title { font-family: var(--font-heading); font-size: 22px; font-weight: 600; color: var(--text-primary); margin: 0; }
.door__title em { font-style: normal; color: var(--text-brand); }
.door__desc { font-size: 14px; line-height: 1.6; color: var(--text-secondary); margin: 0; flex: 1; }
.door__foot { display: flex; align-items: center; justify-content: space-between; font-size: 13px; font-weight: 600; color: var(--text-secondary); padding-top: 12px; border-top: 1px solid var(--hairline); }
.door__foot .door__go { color: var(--text-accent); }

/* ---- Client logos ---- */
.clients { padding: var(--space-12) 0; border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
.clients__label { text-align: center; font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-secondary); margin: 0 0 24px; }
.clients__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px 44px; }
.clients__row span { font-family: var(--font-heading); font-size: 22px; font-weight: 600; letter-spacing: 0.02em; color: var(--text-secondary); opacity: 0.7; }

/* ---- Service groups (4 nhóm) ---- */
.groups__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: var(--space-12); }
.group { display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: start; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 28px; transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.group:hover { box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--color-bordeaux) 24%, var(--border-subtle)); }
.group__stat { font-family: var(--font-display); font-weight: 700; font-size: 38px; line-height: 1; color: var(--color-bordeaux); }
.group__title { font-family: var(--font-heading); font-size: 20px; font-weight: 600; color: var(--text-primary); margin: 0 0 8px; }
.group__desc { font-size: 14px; line-height: 1.6; color: var(--text-secondary); margin: 0 0 10px; }
.group__codes { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.04em; color: var(--text-accent); }

/* ---- Reasons (3 lý do) ---- */
.reasons__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: var(--space-12); }
.reason { position: relative; }
.reason__num { font-family: var(--font-display); font-weight: 700; font-size: 52px; line-height: 1; color: color-mix(in srgb, var(--color-bordeaux) 22%, transparent); }
.reason__title { font-family: var(--font-heading); font-size: 22px; font-weight: 600; letter-spacing: -0.01em; color: var(--text-primary); margin: 10px 0 8px; }
.reason__title em { font-style: normal; color: var(--text-brand); }
.reason__desc { font-size: 14.5px; line-height: 1.65; color: var(--text-secondary); margin: 0; }

/* ---- Self case (Brand OS) ---- */
.selfcase { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.selfcase__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.selfcase__stat strong { display: block; font-family: var(--font-display); font-weight: 700; font-size: 44px; line-height: 1; color: var(--color-warm-cream); }
.selfcase__stat span { font-size: 13px; color: color-mix(in srgb, var(--color-off-white) 64%, transparent); margin-top: 6px; display: block; }

/* ---- FAQ ---- */
.faq { max-width: 820px; margin-top: var(--space-12); }

/* ---- Shared: skip-link, breadcrumb, content/editorial template ---- */
.sv-skip { position: absolute; left: -9999px; top: 0; z-index: 1000; background: var(--color-bordeaux); color: var(--color-warm-cream); padding: 10px 16px; border-radius: 0 0 var(--radius-sm) 0; font-family: var(--font-sans); font-size: 14px; font-weight: 600; }
.sv-skip:focus { left: 0; }
.sv-crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-family: var(--font-sans); font-size: 13px; color: var(--text-secondary); margin-bottom: var(--space-8); }
.sv-crumb a { color: var(--text-secondary); text-decoration: none; }
.sv-crumb a:hover { color: var(--text-brand); }
.sv-crumb [aria-current="page"] { color: var(--text-primary); font-weight: 600; }
.sv-crumb__sep { opacity: 0.5; }

.content { max-width: 760px; margin-inline: auto; }
.content__h2 { margin: var(--space-12) 0 var(--space-4); }
.content__h2:first-child { margin-top: 0; }
.content__p { font-size: 17px; line-height: 1.75; color: var(--text-primary); margin: 0 0 var(--space-4); }
.content__list { font-size: 16px; line-height: 1.7; color: var(--text-primary); margin: 0 0 var(--space-4); padding-left: 22px; display: flex; flex-direction: column; gap: 8px; }
.content__callout { background: var(--surface-paper); border: 1px solid var(--hairline); border-left: 3px solid var(--accent); border-radius: var(--radius-md); padding: 18px 20px; margin: 0 0 var(--space-6); }
.content__callout strong { display: block; font-family: var(--font-heading); font-size: 16px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.content__callout p { font-size: 14.5px; line-height: 1.6; color: var(--text-secondary); margin: 0; }
.content__callout--good { border-left-color: var(--color-success); }
.sn-services { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 28px 0 0; }
.sn-service { display: flex; gap: 14px; align-items: flex-start; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: 16px 18px; text-decoration: none; color: inherit; transition: border-color var(--dur-base) var(--ease-out); }
.sn-service:hover { border-color: var(--color-bordeaux); }
.sn-service__code { font-family: var(--font-display); font-weight: 700; font-size: 18px; color: var(--accent); flex: none; line-height: 1.2; }
.sn-service strong { font-family: var(--font-heading); font-size: 15px; font-weight: 600; color: var(--text-primary); }
.sn-service p { font-size: 13px; line-height: 1.5; color: var(--text-secondary); margin: 4px 0 0; }
@media (max-width: 640px) { .sn-services { grid-template-columns: 1fr; } }
.content__quote { margin: var(--space-8) 0; }
.content__cta { margin-top: var(--space-16); padding-top: var(--space-12); border-top: 1px solid var(--border-subtle); text-align: center; }
.content__cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: var(--space-6); }

/* ---- Case detail (T4) ---- */
.cd-meta { display: flex; flex-wrap: wrap; gap: 40px; margin-top: 40px; }
.cd-meta div { display: flex; flex-direction: column; gap: 4px; }
.cd-meta span { font-size: 12px; color: color-mix(in srgb, var(--color-off-white) 60%, transparent); }
.cd-meta strong { font-family: var(--font-heading); font-size: 18px; font-weight: 600; color: var(--color-warm-cream); }
.cd-grid { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.cd-block { margin-bottom: var(--space-12); }
.cd-block:last-child { margin-bottom: 0; }
.cd-block h2 { margin: 0 0 var(--space-4); }
.cd-approach { display: flex; flex-direction: column; gap: 16px; }
.cd-approach__item { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; }
.cd-approach__n { font-family: var(--font-display); font-weight: 700; font-size: 22px; color: var(--accent); line-height: 1.2; }
.cd-approach__item strong { font-family: var(--font-heading); font-size: 16px; font-weight: 600; color: var(--text-primary); }
.cd-approach__item p { font-size: 14.5px; line-height: 1.6; color: var(--text-secondary); margin: 4px 0 0; }
.cd-aside { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 20px; background: var(--surface-paper); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 24px; }
.cd-results { display: flex; flex-direction: column; gap: 14px; }
.cd-result { display: flex; flex-direction: column; gap: 2px; padding-bottom: 14px; border-bottom: 1px solid var(--hairline); }
.cd-result:last-child { border-bottom: none; padding-bottom: 0; }
.cd-result strong { font-family: var(--font-display); font-weight: 700; font-size: 28px; color: var(--color-bordeaux); line-height: 1; }
.cd-result span { font-size: 13px; color: var(--text-secondary); }
.cd-deliver ul { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.cd-deliver li { font-size: 13.5px; color: var(--text-primary); padding-left: 18px; position: relative; }
.cd-deliver li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.cd-hero-media { aspect-ratio: 16 / 7; border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(140deg, var(--color-deep-navy), var(--color-studio-blue)); display: grid; place-items: center; border: 1px solid var(--border-subtle); }
.cd-hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cd-hero-media__ph { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: color-mix(in srgb, var(--color-warm-cream) 70%, transparent); }
.cd-approach__body { display: flex; flex-direction: column; gap: 6px; }
.cd-approach__img { aspect-ratio: 16 / 8; border-radius: var(--radius-md); overflow: hidden; background: var(--surface-paper); border: 1px solid var(--hairline); display: grid; place-items: center; margin-top: 6px; }
.cd-approach__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cd-approach__img span { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; color: var(--text-secondary); }
.cd-result__ba { display: flex; align-items: center; gap: 9px; }
.cd-result__before { font-family: var(--font-display); font-weight: 700; font-size: 19px; color: var(--text-secondary); line-height: 1; }
.cd-result__after { font-family: var(--font-display); font-weight: 700; font-size: 28px; color: var(--color-bordeaux); line-height: 1; }
.cd-result__l { font-size: 12.5px; color: var(--text-secondary); margin-top: 4px; }
@media (max-width: 980px) { .cd-grid { grid-template-columns: 1fr; } .cd-aside { position: static; } }

/* ---- Service detail (T1) ---- */
.sd-value { max-width: 760px; margin-inline: auto; }
.sd-two { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.sd-deliver { list-style: none; margin: var(--space-8) 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.sd-deliver li { font-size: 15.5px; color: var(--text-primary); padding-left: 26px; position: relative; }
.sd-deliver li::before { content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 8px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.sd-tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: var(--space-8); }
.sd-tier { position: relative; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 22px 20px; }
.sd-tier--featured { border-color: var(--color-bordeaux); box-shadow: var(--shadow-md); }
.sd-tier__flag { position: absolute; top: -10px; left: 20px; font-family: var(--font-sans); font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; background: var(--color-bordeaux); color: var(--color-warm-cream); border-radius: var(--radius-pill); padding: 3px 11px; }
.sd-tier__name { font-family: var(--font-heading); font-size: 18px; font-weight: 600; color: var(--text-primary); }
.sd-tier__who { font-size: 12.5px; color: var(--text-secondary); margin-top: 3px; }
.sd-tier__from { font-family: var(--font-display); font-weight: 700; font-size: 22px; color: var(--color-bordeaux); margin: 14px 0; }
.sd-tier ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.sd-tier li { font-size: 13px; color: var(--text-primary); padding-left: 16px; position: relative; }
.sd-tier li::before { content: ""; position: absolute; left: 0; top: 7px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
@media (max-width: 980px) { .sd-two { grid-template-columns: 1fr; } .sd-tiers { grid-template-columns: 1fr; } }

/* T1 depth slots: intro, evidence, deliverable cards, phase output */
.sd-intro { max-width: 760px; margin-inline: auto; margin-top: var(--space-8); display: flex; flex-direction: column; gap: 16px; }
.sd-intro__context { font-size: 16px; line-height: 1.7; color: var(--text-secondary); margin: 0; }
.sd-intro__solution { font-size: 17px; line-height: 1.7; color: var(--text-primary); font-weight: 500; margin: 0; padding-left: 18px; border-left: 2px solid var(--accent); }
.sd-evidence { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.sd-evidence__insight { margin: 0; }
.sd-evidence__stats { display: flex; flex-direction: column; gap: 18px; }
.sd-stat__v { font-size: 40px; line-height: 1; color: var(--color-bordeaux); }
.sd-stat__l { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.sd-deliver-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: var(--space-12); }
.sd-deliver-card { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; }
.sd-deliver-card__img { aspect-ratio: 4 / 3; background: linear-gradient(140deg, var(--color-deep-navy), var(--color-studio-blue)); display: grid; place-items: center; }
.sd-deliver-card__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sd-deliver-card__ph { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: color-mix(in srgb, var(--color-warm-cream) 70%, transparent); }
.sd-deliver-card__body { padding: 18px 20px; display: flex; flex-direction: column; gap: 5px; }
.sd-deliver-card__name { font-family: var(--font-heading); font-size: 17px; font-weight: 600; color: var(--text-primary); }
.sd-deliver-card__fmt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; color: var(--text-accent); }
.sd-deliver-card__benefit { font-size: 13.5px; line-height: 1.55; color: var(--text-secondary); margin: 6px 0 0; }
.sd-tiers--full { grid-template-columns: repeat(3, 1fr); margin-top: var(--space-12); }
.sd-phase__out { display: block; font-size: 12.5px; color: var(--text-accent); margin-top: 6px; font-weight: 500; }
@media (max-width: 980px) {
  .sd-evidence { grid-template-columns: 1fr; gap: 28px; }
  .sd-evidence__stats { flex-direction: row; flex-wrap: wrap; gap: 28px; }
  .sd-deliver-grid, .sd-tiers--full { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) { .sd-deliver-grid, .sd-tiers--full { grid-template-columns: 1fr; } }

/* ---- Brief dialog form ---- */
.brief-form { display: flex; flex-direction: column; gap: 18px; }
.brief-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---- Sub-page: service directions / industry grid / about ---- */
.svc-dir { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: var(--space-12); }
.svc-dir__item { display: flex; flex-direction: column; gap: 10px; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 24px; transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); }
.svc-dir__item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--color-bordeaux) 24%, var(--border-subtle)); }
.svc-dir__n { font-family: var(--font-display); font-weight: 700; font-size: 24px; color: var(--accent); line-height: 1; }
.svc-dir__t { font-family: var(--font-heading); font-size: 18px; font-weight: 600; color: var(--text-primary); margin: 0; }
.svc-dir__d { font-size: 13.5px; line-height: 1.55; color: var(--text-secondary); margin: 0; flex: 1; }
.svc-dir__codes { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; color: var(--text-accent); }

.tier { border-top: 1px solid var(--border-subtle); padding: 24px 0; display: grid; grid-template-columns: 200px 1fr; gap: 32px; }
.tier__label { font-family: var(--font-heading); font-size: 17px; font-weight: 600; color: var(--text-brand); }
.tier__label span { display: block; font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary); margin-top: 4px; font-weight: 400; }
.tier__items { display: flex; flex-wrap: wrap; gap: 10px; }
.tier__svc { font-size: 13px; color: var(--text-primary); background: var(--surface-paper); border: 1px solid var(--hairline); border-radius: var(--radius-pill); padding: 7px 14px; }
.tier__svc b { color: var(--text-accent); font-family: var(--font-mono); font-size: 11px; margin-right: 6px; }

.ind-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: var(--space-12); }
.sectors-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: var(--space-12); }
.ind { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: 18px 20px; transition: border-color var(--dur-base) var(--ease-out); }
.ind:hover { border-color: var(--color-bordeaux); }
.ind__name { font-family: var(--font-heading); font-size: 16px; font-weight: 600; color: var(--text-primary); }
.ind__niches { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }

.about-lead { max-width: 760px; }
.about-lead p { font-size: 18px; line-height: 1.7; color: var(--text-primary); }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: var(--space-12); }

@media (max-width: 980px) {
  .svc-dir, .ind-grid { grid-template-columns: 1fr 1fr; }
  .tier { grid-template-columns: 1fr; gap: 14px; }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) { .svc-dir, .ind-grid { grid-template-columns: 1fr; } }

@media (max-width: 980px) {
  .services__grid, .cases__grid, .positioning__grid { grid-template-columns: 1fr 1fr; }
  .sectors-grid { grid-template-columns: 1fr 1fr; }
  .process__grid { grid-template-columns: 1fr 1fr; }
  .process__grid > * { grid-row: auto !important; }
  .diagnosis__head, .footer__top { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
  .nav__links { display: none; }
}
@media (max-width: 640px) {
  .services__grid, .cases__grid, .positioning__grid, .process__grid, .footer__cols, .brief-form__row { grid-template-columns: 1fr; }
  .sectors-grid { grid-template-columns: 1fr; }
}
/* === Premium service hero split + value/proof (Khoai 2026-06-30) === */
.hero__inner--split { display: grid; grid-template-columns: 1.3fr 0.72fr; gap: 64px; align-items: stretch; padding: 92px 32px 84px; }
.hero__inner--split .hero__main { min-width: 0; align-self: center; }
.hero__inner--split .hero__lead { max-width: 48ch; }
.hero__facts { display: flex; flex-direction: column; justify-content: center; padding: 14px 32px; border: 1px solid color-mix(in srgb, var(--color-off-white) 20%, transparent); border-radius: 20px; background: color-mix(in srgb, var(--color-off-white) 5%, transparent); }
.hero__facts-img { width: 100%; height: 100%; object-fit: cover; border-radius: 14px; display: block; }
.hero__fact { padding: 22px 0; border-bottom: 1px solid color-mix(in srgb, var(--color-off-white) 13%, transparent); }
.hero__fact:last-child { border-bottom: none; }
.hero__fact-v { font-size: 36px; line-height: 1.05; color: var(--color-warm-cream); }
.hero__fact-l { font-size: 14px; margin-top: 6px; color: color-mix(in srgb, var(--color-off-white) 68%, transparent); }
@media (max-width: 900px) { .hero__inner--split { grid-template-columns: 1fr; gap: 28px; padding: 72px 24px 52px; } }

.sd-vproof { display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: start; margin-top: 28px; }
.sd-vproof__main { min-width: 0; }
.sd-vproof__insight { margin: 28px 0 0; padding: 0 0 0 20px; border-left: 3px solid var(--accent); font-size: 20px; line-height: 1.5; color: var(--text-primary); font-style: normal; }
.sd-vproof__stats { display: flex; flex-direction: column; gap: 22px; padding: 32px; background: var(--surface-paper); border: 1px solid var(--hairline); border-radius: 20px; position: sticky; top: 96px; }
@media (max-width: 900px) { .sd-vproof { grid-template-columns: 1fr; gap: 32px; } .sd-vproof__stats { position: static; } }
/* === Portfolio + clients/partners trust modules (Khoai 2026-06-30) === */
.section { padding: clamp(60px, 6.2vw, 84px) 0; }
.sd-portfolio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: var(--space-12); }
.pf-card { border: 1px solid var(--border-subtle); border-radius: 16px; overflow: hidden; background: var(--surface-card); transition: transform 240ms ease, box-shadow 240ms ease; }
.pf-card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px -12px rgba(3,29,68,0.20); border-color: var(--border-strong); }
.pf-card__img { aspect-ratio: 4 / 3; background: linear-gradient(135deg, var(--color-deep-navy), var(--color-studio-blue)); display: flex; align-items: center; justify-content: center; }
.pf-card__img img { width: 100%; height: 100%; object-fit: cover; }
.pf-card__ph { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: color-mix(in srgb, var(--color-off-white) 52%, transparent); }
.pf-card__body { padding: 20px 22px 24px; }
.pf-card__svc { display: inline-block; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-brand); font-weight: 600; }
.pf-card__title { font-family: var(--font-heading); font-weight: 600; font-size: 21px; color: var(--text-primary); margin-top: 8px; line-height: 1.2; }
.pf-card__client { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.pf-card__result { font-size: 14px; color: var(--text-accent); font-weight: 600; margin-top: 14px; }
@media (max-width: 900px) { .sd-portfolio { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .sd-portfolio { grid-template-columns: 1fr; } }

.sd-trustbar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: var(--space-8); padding: 30px 0; border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.sd-trust { text-align: center; }
.sd-trust__v { font-size: 42px; color: var(--text-brand); line-height: 1; }
.sd-trust__l { font-size: 14px; color: var(--text-secondary); margin-top: 8px; }
.sd-logos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: var(--space-12); }
.sd-logo { aspect-ratio: 5 / 2; border: 1px solid var(--border-subtle); border-radius: 12px; display: flex; align-items: center; justify-content: center; background: var(--surface-card); }
.sd-logo img { max-width: 72%; max-height: 56%; object-fit: contain; filter: grayscale(1); opacity: 0.7; }
.sd-logo__ph { font-family: var(--font-heading); font-weight: 600; font-size: 15px; color: var(--text-secondary); letter-spacing: 0.02em; }
@media (max-width: 700px) { .sd-logos { grid-template-columns: repeat(2, 1fr); } .sd-trustbar { grid-template-columns: 1fr; gap: 14px; padding: 22px 0; } }