/* ============================================================
   THE CREATIVITY LAB — Services architecture
   .sx-  → main Services index (left nav, hover-driven preview)
   .sd-  → dedicated SEO service detail pages
   Black canvas · hairline grid · brutalist type · 700ms ease.
   ============================================================ */
:root { --sx-ease: cubic-bezier(0.22, 1, 0.36, 1); --sx-dur: 700ms; }

/* shared ambient + gridlines (reused by both) */
.sx-amb { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.7;
  background-image:
    radial-gradient(44% 40% at 14% 6%, rgba(237,70,9,0.05) 0%, transparent 72%),
    radial-gradient(40% 38% at 90% 92%, rgba(0,153,255,0.045) 0%, transparent 72%); }
.sx-amb::after { content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.02'/%3E%3C/svg%3E"); }
.sx-gridlines { position: fixed; inset: clamp(10px, 1.4vw, 22px); z-index: 1; pointer-events: none;
  background-image: linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 25% 100%;
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 14%, #000 100%);
  mask-image: linear-gradient(180deg, transparent 0, #000 14%, #000 100%); }
@media (max-width: 720px) { .sx-gridlines { background-size: 50% 100%; } }

.sx-page { position: relative; }
.sx-shell { position: relative; z-index: 2; padding: clamp(20px, 4.5vw, 52px); }
.sx-shell--top { padding-bottom: 0; }

/* ---------- INDEX HERO ---------- */
.sx-hero { padding: clamp(60px, 9vw, 130px) 0 clamp(30px, 4vw, 56px); max-width: 1100px; }
.sx-eyebrow { display: inline-flex; align-items: baseline; gap: 10px; font-family: var(--font-label); font-size: 13px; font-weight: var(--fw-semibold); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-secondary); }
.sx-eyebrow .idx { color: var(--text-faint); }
.sx-title { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: clamp(2.5rem, 7.2vw, 7rem); line-height: 0.92; letter-spacing: var(--tracking-display); color: var(--text-primary); margin-top: clamp(24px, 3vw, 44px); }
.sx-title .muted { color: var(--text-muted); }
.sx-lead { margin-top: clamp(26px, 3vw, 40px); max-width: 56ch; font-size: clamp(1.05rem, 1.25vw, 1.3rem); line-height: 1.55; letter-spacing: -0.01em; color: var(--text-secondary); }

/* ---------- INDEX BODY: nav | preview ---------- */
.sx-body { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr; gap: clamp(36px, 4vw, 64px); padding: clamp(36px, 5vw, 72px) 0 clamp(56px, 8vw, 120px); border-top: 1px solid var(--border-subtle); margin-top: clamp(28px, 4vw, 56px); }
@media (min-width: 1000px) { .sx-body { grid-template-columns: 1.05fr 0.95fr; gap: clamp(48px, 5vw, 90px); align-items: start; } }

.sx-nav { display: flex; flex-direction: column; }
.sx-row { position: relative; display: flex; align-items: center; gap: clamp(14px, 1.6vw, 24px); width: 100%; text-align: left; background: none; border: none; border-top: 1px solid var(--border-subtle); cursor: pointer; padding: clamp(20px, 2.4vw, 34px) 0; text-decoration: none; color: inherit; transition: padding-left var(--sx-dur) var(--sx-ease); }
.sx-row:last-child { border-bottom: 1px solid var(--border-subtle); }
.sx-row__num { font-family: var(--font-label); font-size: 12px; font-weight: var(--fw-semibold); letter-spacing: 0.06em; color: var(--text-faint); transition: color var(--sx-dur) var(--sx-ease); }
.sx-row__name { flex: 1; font-family: var(--font-display); font-weight: var(--fw-bold); font-size: clamp(1.6rem, 3.4vw, 2.8rem); line-height: 1; letter-spacing: -0.03em; color: var(--text-muted); transition: color var(--sx-dur) var(--sx-ease), transform var(--sx-dur) var(--sx-ease); }
.sx-row__arrow { flex-shrink: 0; color: var(--text-primary); opacity: 0; transform: translateX(-12px); transition: opacity var(--sx-dur) var(--sx-ease), transform var(--sx-dur) var(--sx-ease); }
.sx-nav:has(.sx-row:hover) .sx-row:not(:hover) .sx-row__name { color: var(--text-faint); opacity: 0.55; }
.sx-row:hover, .sx-row.active { padding-left: clamp(10px, 1.4vw, 22px); }
.sx-row:hover .sx-row__name, .sx-row.active .sx-row__name { color: var(--text-primary); }
.sx-row:hover .sx-row__num, .sx-row.active .sx-row__num { color: var(--mg-orange); }
.sx-row:hover .sx-row__arrow, .sx-row.active .sx-row__arrow { opacity: 1; transform: none; }

/* preview panel (sticky on desktop) */
.sx-preview { position: relative; }
@media (min-width: 1000px) { .sx-preview { position: sticky; top: clamp(24px, 4vw, 60px); } }
.sx-visual { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 28px; background: var(--mg-ink-900);
  box-shadow: 0 40px 90px -44px rgba(0,0,0,0.85), 0 0 60px -18px rgba(255,90,44,0.14); }
.sx-visual::after { content: ""; position: absolute; inset: 0; z-index: 5; pointer-events: none; border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.10); }
.sx-visual::before { content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none; mix-blend-mode: screen; opacity: 0.5;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,0.10) 48%, rgba(255,255,255,0.03) 55%, transparent 66%);
  background-size: 250% 100%; background-position: 130% 0; animation: sxReflect 9.5s ease-in-out infinite; }
.sx-slide { position: absolute; inset: 0; opacity: 0; transform: scale(1.04); transition: opacity var(--sx-dur) var(--sx-ease), transform 1400ms var(--sx-ease); }
.sx-slide.show { opacity: 1; transform: scale(1); z-index: 1; }
.sx-slide .sx-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.sx-visual__scrim { position: absolute; inset: 0; z-index: 4; pointer-events: none; border-radius: inherit; background: linear-gradient(180deg, rgba(5,5,7,0.15) 0%, rgba(5,5,7,0) 40%, rgba(5,5,7,0.7) 100%); }
.sx-visual__tag { position: absolute; left: 18px; top: 16px; z-index: 6; font-family: var(--font-label); font-size: 11px; font-weight: var(--fw-semibold); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-secondary); }

.sx-info { margin-top: clamp(22px, 2.4vw, 30px); }
.sx-info__tagline { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: clamp(1.3rem, 1.8vw, 1.8rem); line-height: 1.05; letter-spacing: -0.02em; color: var(--text-primary); }
.sx-info__lead { margin-top: 14px; font-size: clamp(1rem, 1.1vw, 1.12rem); line-height: 1.55; color: var(--text-secondary); max-width: 46ch; }
.sx-info__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.sx-chip { border: 1px solid var(--border-subtle); padding: 7px 13px; font-family: var(--font-label); font-size: 12px; letter-spacing: 0.02em; color: var(--text-muted); }
.sx-info__cta { display: inline-flex; align-items: center; gap: 10px; margin-top: clamp(24px, 2.6vw, 34px); padding: 14px 22px; border-radius: var(--radius-button); background: var(--text-primary); color: var(--mg-black); font-family: var(--font-label); font-size: 13px; font-weight: var(--fw-semibold); letter-spacing: 0.04em; text-decoration: none; transition: background var(--sx-dur) var(--sx-ease), transform var(--dur-fast) var(--sx-ease); }
.sx-info__cta:hover { background: rgba(255,255,255,0.9); }
.sx-info__cta:active { transform: scale(0.985); }
.sx-fade { animation: sxFade 0.6s var(--sx-ease) both; }
@keyframes sxFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* =====================================================================
   DETAIL PAGE  (.sd-)
   ===================================================================== */
.sd-page { position: relative; }
.sd-shell { position: relative; z-index: 2; padding: clamp(20px, 4.5vw, 52px); }
.sd-shell--top { padding-bottom: 0; }

/* hero */
.sd-hero { display: block; padding: clamp(54px, 8vw, 120px) 0 clamp(48px, 6vw, 90px); }
.sd-eyebrow { display: inline-flex; align-items: baseline; gap: 10px; font-family: var(--font-label); font-size: 13px; font-weight: var(--fw-semibold); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-secondary); }
.sd-eyebrow .idx { color: var(--text-faint); }
.sd-h1 { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: clamp(2.6rem, 7vw, 6.4rem); line-height: 0.9; letter-spacing: var(--tracking-display); color: var(--text-primary); margin-top: clamp(22px, 3vw, 40px); }
.sd-h1 .ln { display: block; }
.sd-h1 .ln:nth-child(n+3) { color: var(--text-muted); }
.sd-lead { margin-top: clamp(24px, 3vw, 38px); max-width: 52ch; font-size: clamp(1.1rem, 1.35vw, 1.4rem); line-height: 1.5; letter-spacing: -0.01em; color: var(--text-secondary); }
/* Locked cinematic 16:9 showcase — media always fills, never letterboxed */
.sd-hero__media { position: relative; width: 100%; max-width: 1100px; aspect-ratio: 16 / 9; overflow: hidden;
  margin-top: clamp(40px, 5vw, 72px); border-radius: 28px; background: var(--mg-ink-900);
  box-shadow: 0 44px 96px -44px rgba(0,0,0,0.88), 0 0 70px -18px rgba(255,90,44,0.16); }
.sd-hero__media::after { content: ""; position: absolute; inset: 0; z-index: 5; pointer-events: none; border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.10); }
.sd-hero__media::before { content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none; mix-blend-mode: screen; opacity: 0.55;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,0.10) 48%, rgba(255,255,255,0.03) 55%, transparent 66%);
  background-size: 250% 100%; background-position: 130% 0; animation: sxReflect 9s ease-in-out infinite; }
.sd-hero__media .sd-video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block;
  transform: scale(1); transition: transform 1400ms var(--sx-ease); }
.sd-hero__media:hover .sd-video { transform: scale(1.04); }
.sd-hero__scrim { position: absolute; inset: 0; z-index: 4; pointer-events: none; border-radius: inherit;
  background: linear-gradient(180deg, rgba(5,5,7,0.1) 0%, rgba(5,5,7,0) 45%, rgba(5,5,7,0.55) 100%); }
@keyframes sxReflect { 0% { background-position: 135% 0; } 100% { background-position: -35% 0; } }
@media (max-width: 600px) { .sd-hero__media { border-radius: 18px; } }

/* intro band */
.sd-intro { position: relative; z-index: 2; padding: clamp(40px, 5vw, 72px) 0; border-top: 1px solid var(--border-subtle); display: grid; grid-template-columns: 1fr; gap: clamp(20px, 3vw, 40px); }
@media (min-width: 900px) { .sd-intro { grid-template-columns: 0.35fr 0.65fr; } }
.sd-intro__label { font-family: var(--font-label); font-size: 12px; font-weight: var(--fw-semibold); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); }
.sd-intro__text { font-family: var(--font-display); font-weight: var(--fw-medium); font-size: clamp(1.35rem, 2.1vw, 2.1rem); line-height: 1.28; letter-spacing: -0.02em; color: var(--text-primary); max-width: 30ch; }
.sd-intro__body { font-size: clamp(1rem, 1.1vw, 1.15rem); line-height: 1.6; color: var(--text-secondary); max-width: 52ch; }

/* section header (shared in detail) */
.sd-sec { position: relative; z-index: 2; padding: clamp(44px, 6vw, 90px) 0; border-top: 1px solid var(--border-subtle); }
.sd-sec__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: clamp(28px, 3.5vw, 52px); }
.sd-sec__eyebrow { font-family: var(--font-label); font-size: 13px; font-weight: var(--fw-semibold); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-secondary); display: inline-flex; gap: 10px; align-items: baseline; }
.sd-sec__eyebrow .idx { color: var(--text-faint); }

/* capabilities grid */
.sd-caps { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--border-subtle); }
@media (min-width: 680px) { .sd-caps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .sd-caps { grid-template-columns: repeat(3, 1fr); } }
.sd-cap { padding: clamp(24px, 2.4vw, 34px) clamp(20px, 2vw, 30px) clamp(28px, 3vw, 40px); border-bottom: 1px solid var(--border-subtle); transition: background var(--sx-dur) var(--sx-ease); }
@media (min-width: 680px) { .sd-cap:nth-child(odd) { border-right: 1px solid var(--border-subtle); } }
@media (min-width: 1040px) { .sd-cap { border-right: 1px solid var(--border-subtle); } .sd-cap:nth-child(3n) { border-right: none; } }
.sd-cap:hover { background: rgba(255,255,255,0.018); }
.sd-cap__t { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: clamp(1.2rem, 1.5vw, 1.5rem); letter-spacing: -0.02em; color: var(--text-primary); }
.sd-cap__d { margin-top: 12px; font-size: 14.5px; line-height: 1.55; color: var(--text-muted); max-width: 34ch; }

/* approach steps */
.sd-steps { display: grid; grid-template-columns: 1fr; gap: clamp(16px, 1.6vw, 24px); }
@media (min-width: 760px) { .sd-steps { grid-template-columns: repeat(3, 1fr); } }
.sd-step { border: 1px solid var(--border-subtle); padding: clamp(24px, 2.4vw, 36px); min-height: 200px; display: flex; flex-direction: column; transition: border-color var(--sx-dur) var(--sx-ease), transform var(--sx-dur) var(--sx-ease); }
.sd-step:hover { border-color: rgba(255,255,255,0.24); transform: translateY(-4px); }
.sd-step__n { font-family: var(--font-label); font-size: 12px; font-weight: var(--fw-semibold); letter-spacing: 0.1em; color: var(--mg-orange); }
.sd-step__t { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: clamp(1.3rem, 1.7vw, 1.7rem); letter-spacing: -0.02em; color: var(--text-primary); margin-top: auto; }
.sd-step__d { margin-top: 12px; font-size: 14.5px; line-height: 1.55; color: var(--text-secondary); }

/* metrics */
.sd-metrics { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--border-subtle); }
@media (min-width: 760px) { .sd-metrics { grid-template-columns: repeat(3, 1fr); } }
.sd-metric { padding: clamp(28px, 3vw, 48px) clamp(8px, 1.4vw, 20px); border-bottom: 1px solid var(--border-subtle); }
@media (min-width: 760px) { .sd-metric { border-bottom: none; border-right: 1px solid var(--border-subtle); } .sd-metric:last-child { border-right: none; } }
.sd-metric__v { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: clamp(2.6rem, 5vw, 4.4rem); line-height: 0.95; letter-spacing: var(--tracking-tight); color: var(--text-primary); }
.sd-metric__c { margin-top: 14px; font-size: 14.5px; line-height: 1.5; color: var(--text-muted); max-width: 28ch; }

/* stack row */
.sd-stack { display: flex; flex-wrap: wrap; gap: 10px; }
.sd-stack span { border: 1px solid var(--border-default); padding: 10px 16px; font-family: var(--font-label); font-size: 13px; letter-spacing: 0.02em; color: var(--text-secondary); }

/* CTA + next service */
.sd-cta { position: relative; z-index: 2; padding: clamp(56px, 8vw, 120px) 0 clamp(40px, 5vw, 72px); border-top: 1px solid var(--border-subtle); }
.sd-cta__h { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: clamp(2.4rem, 6vw, 5.6rem); line-height: 0.96; letter-spacing: var(--tracking-display); color: var(--text-primary); max-width: 16ch; }
.sd-cta__h .accent { color: var(--mg-orange); }
.sd-cta__sub { margin-top: clamp(20px, 2.2vw, 30px); font-size: clamp(1.05rem, 1.2vw, 1.25rem); color: var(--text-secondary); }
.sd-cta__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: clamp(28px, 3vw, 42px); }
.sd-btn { display: inline-flex; align-items: center; gap: 10px; padding: 15px 24px; border-radius: var(--radius-button); font-family: var(--font-label); font-size: 13px; font-weight: var(--fw-semibold); letter-spacing: 0.04em; text-decoration: none; transition: background var(--sx-dur) var(--sx-ease), border-color var(--sx-dur) var(--sx-ease), color var(--sx-dur) var(--sx-ease), transform var(--dur-fast) var(--sx-ease); }
.sd-btn--primary { background: var(--text-primary); color: var(--mg-black); }
.sd-btn--primary:hover { background: rgba(255,255,255,0.9); }
.sd-btn--ghost { border: 1px solid var(--border-default); color: var(--text-primary); }
.sd-btn--ghost:hover { border-color: var(--text-primary); }
.sd-btn:active { transform: scale(0.985); }

.sd-next { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: clamp(48px, 6vw, 88px); padding-top: clamp(28px, 3vw, 44px); border-top: 1px solid var(--border-subtle); text-decoration: none; color: inherit; }
.sd-next__label { font-family: var(--font-label); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }
.sd-next__name { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: clamp(1.6rem, 3vw, 2.6rem); letter-spacing: -0.03em; color: var(--text-muted); transition: color var(--sx-dur) var(--sx-ease), transform var(--sx-dur) var(--sx-ease); }
.sd-next:hover .sd-next__name { color: var(--text-primary); transform: translateX(6px); }
.sd-next__arrow { color: var(--text-primary); }

@media (prefers-reduced-motion: reduce) {
  .sx-slide,.sx-fade { transition: none; animation: none; }
  .sx-visual::before, .sd-hero__media::before { animation: none; }
}