/* ============================================================
   STERENZON ADVISORY — Design system (per DESIGN.md)
   Void Black canvas · Signal Violet accent · Space Grotesk
   Flat: no shadows, no gradients, no elevation. Type + void.
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --void:        #000000;
  --bone:        #FFFFFF;
  --bone-soft:   rgba(255,255,255,0.80);
  --ash:         #BDBDBD;
  --smoke:       #9A9A9A;
  --violet:      #8052FF;
  --violet-hover:#9A6FFF;
  --violet-dim:  rgba(128,82,255,0.14);

  --line:        rgba(255,255,255,0.10);
  --line-mid:    rgba(255,255,255,0.16);
  --line-strong: rgba(255,255,255,0.24);
  --line-violet: rgba(128,82,255,0.45);
  --surface-input: rgba(255,255,255,0.025);

  --font: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --fw-light:300; --fw-regular:400; --fw-medium:500; --fw-semibold:600; --fw-bold:700;

  --container: 1200px;
  --narrow: 880px;
  --radius: 24px;
  --radius-soft: 12px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font);
  background: var(--void);
  color: var(--bone-soft);
  font-size: 17px;
  line-height: 1.5;
  font-weight: var(--fw-regular);
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(128,82,255,0.32); color: var(--bone); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font); color: var(--bone); font-weight: var(--fw-light); letter-spacing: -0.03em; line-height: 1.02; }
h1 { font-size: clamp(2.7rem, 6.2vw, 5.4rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); line-height: 1.05; letter-spacing: -0.035em; }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.6rem); font-weight: var(--fw-medium); letter-spacing: -0.01em; line-height: 1.18; }
h4 { font-size: 1.05rem; font-weight: var(--fw-medium); letter-spacing: 0; }

p { max-width: 62ch; }
strong { color: var(--bone); font-weight: var(--fw-medium); }

/* eyebrow — uppercase kicker with a violet rule (DL-18) */
.eyebrow {
  font-size: 0.74rem; font-weight: var(--fw-semibold);
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--violet);
  display: inline-flex; align-items: center; gap: 0.9em;
}
.eyebrow::before { content: ""; width: 30px; height: 1px; background: var(--violet); }
.eyebrow.center::before { display: none; }

/* numeric section index — structural, not copy */
.index { font-size: 0.78rem; font-weight: var(--fw-medium); letter-spacing: 0.22em; color: var(--smoke); text-transform: uppercase; }
.index b { color: var(--violet); font-weight: var(--fw-semibold); }

.lead { font-size: clamp(1.15rem, 1.7vw, 1.5rem); line-height: 1.45; color: var(--bone); font-weight: var(--fw-light); letter-spacing: -0.012em; max-width: 30ch; }
.body-lg { font-size: clamp(1.05rem, 1.3vw, 1.2rem); line-height: 1.55; color: var(--ash); font-weight: var(--fw-light); }
.muted { color: var(--ash); }
.text-accent, .text-gold { color: var(--violet); font-weight: var(--fw-medium); }
.text-white { color: var(--bone); }

/* big editorial statement */
.statement { font-size: clamp(2rem, 4.2vw, 3.4rem); font-weight: var(--fw-light); line-height: 1.08; letter-spacing: -0.035em; color: var(--bone); max-width: 18ch; }
.statement .a { color: var(--violet); }

/* inline link with arrow */
.link-arrow { color: var(--violet); font-weight: var(--fw-medium); display: inline-flex; align-items: center; gap: 0.5em; transition: gap 0.25s var(--ease); }
.link-arrow:hover { gap: 0.85em; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.narrow { max-width: var(--narrow); }

.section { padding: clamp(72px, 11vw, 148px) 0; position: relative; }
.section--tight { padding: clamp(56px, 7vw, 96px) 0; }
.section--charcoal, .section--navy { background: transparent; }

.section-head { max-width: 820px; margin-bottom: clamp(44px, 6vw, 72px); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow, .section-head .index { margin-bottom: 26px; }
.section-head h2 { margin-bottom: 22px; }
.section-head p { color: var(--ash); }
.section-head.center p { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--font); font-size: 0.78rem; font-weight: var(--fw-semibold);
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 16px 30px; border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease); white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; }
.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-gold, .btn-primary { background: var(--violet); color: var(--bone); border-color: var(--violet); }
.btn-gold:hover, .btn-primary:hover { background: var(--violet-hover); border-color: var(--violet-hover); }
.btn-ghost { background: transparent; color: var(--bone); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--violet); }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 12px 22px; font-size: 0.72rem; }

/* ---------- Navbar ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; transition: background 0.35s var(--ease), border-color 0.35s var(--ease); border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(0,0,0,0.72); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 82px; }

.brand { display: flex; align-items: center; gap: 13px; }
.brand-mark { display: none; }
.brand::before {
  content: ""; width: 28px; height: 28px; flex: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect x='2' y='11.6' width='15' height='2.6' rx='1.3' fill='%23FFFFFF'/%3E%3Crect x='15' y='18.4' width='15' height='2.6' rx='1.3' fill='%238052FF'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center; background-size: contain;
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-size: 1.02rem; color: var(--bone); letter-spacing: 0.2em; text-transform: uppercase; font-weight: var(--fw-semibold); }
.brand-sub { font-size: 0.56rem; letter-spacing: 0.44em; color: var(--violet); text-transform: uppercase; margin-top: 4px; font-weight: var(--fw-semibold); }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-link { font-size: 0.875rem; font-weight: var(--fw-regular); color: var(--smoke); letter-spacing: 0.01em; padding: 6px 0; position: relative; transition: color 0.25s var(--ease); }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--violet); transition: width 0.3s var(--ease); }
.nav-link:hover { color: var(--bone); }
.nav-link:hover::after, .nav-link[aria-current="page"]::after { width: 100%; }
.nav-link[aria-current="page"] { color: var(--bone); }

.nav-cta { display: flex; align-items: center; gap: 20px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 30px; height: 22px; position: relative; }
.nav-toggle span { position: absolute; left: 0; width: 100%; height: 1.5px; background: var(--bone); transition: all 0.3s var(--ease); }
.nav-toggle span:nth-child(1) { top: 2px; } .nav-toggle span:nth-child(2) { top: 10px; } .nav-toggle span:nth-child(3) { top: 18px; }
.nav-toggle.open span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

.nav-mobile { position: fixed; top: 82px; left: 0; right: 0; background: rgba(0,0,0,0.97); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); padding: 24px 32px 36px; display: flex; flex-direction: column; gap: 4px; transform: translateY(-12px); opacity: 0; visibility: hidden; transition: all 0.3s var(--ease); z-index: 99; }
.nav-mobile.open { transform: translateY(0); opacity: 1; visibility: visible; }
.nav-mobile a:not(.btn) { font-size: 1.05rem; color: var(--ash); padding: 15px 0; border-bottom: 1px solid var(--line); }
.nav-mobile a[aria-current="page"] { color: var(--violet); }
.nav-mobile .btn { margin-top: 22px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: 168px; padding-bottom: clamp(72px, 9vw, 130px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
.hero-copy { max-width: 580px; }
.hero .eyebrow { margin-bottom: 30px; }
.hero h1 { font-size: clamp(2.9rem, 6.8vw, 6rem); line-height: 0.96; letter-spacing: -0.045em; margin-bottom: 30px; }
.hero h1 .accent { color: var(--violet); font-weight: var(--fw-light); }
.hero-sub { font-size: clamp(1.08rem, 1.45vw, 1.28rem); color: var(--ash); margin-bottom: 38px; max-width: 50ch; font-weight: var(--fw-light); line-height: 1.5; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-trust { margin-top: 34px; font-size: 0.82rem; color: var(--smoke); display: flex; align-items: center; gap: 11px; max-width: 46ch; letter-spacing: 0.01em; }
.hero-trust .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--violet); flex: none; }

/* ---------- Constellation ---------- */
.hero-visual { position: relative; }
.constellation { width: 100%; height: auto; overflow: visible; }
.const-accent { position: absolute; pointer-events: none; opacity: 0.9; }
@keyframes twinkle { 0%,100% { opacity: 0.18; } 50% { opacity: 0.95; } }
@keyframes nodePulse { 0%,100% { opacity: 0.45; } 50% { opacity: 1; } }
@keyframes drift { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.const-field { animation: drift 10s var(--ease) infinite; }
.const-twinkle { animation: twinkle 4s var(--ease) infinite; }
.const-twinkle.b { animation-delay: 1s; } .const-twinkle.c { animation-delay: 2s; } .const-twinkle.d { animation-delay: 2.8s; }
.const-node { animation: nodePulse 3.6s var(--ease) infinite; }
.const-node.b { animation-delay: 0.7s; } .const-node.c { animation-delay: 1.5s; } .const-node.d { animation-delay: 2.3s; }

/* ---------- Page hero (interior) ---------- */
.page-hero { padding-top: 176px; padding-bottom: clamp(40px, 5vw, 68px); position: relative; overflow: hidden; }
.page-hero .breadcrumb { margin-bottom: 34px; }
.page-hero h1 { max-width: 17ch; margin-bottom: 28px; }
.page-hero .lead { max-width: 60ch; font-size: clamp(1.1rem, 1.5vw, 1.32rem); }
.page-hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 48px; align-items: center; }
.breadcrumb { font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--smoke); font-weight: var(--fw-medium); }
.breadcrumb a:hover { color: var(--violet); }
.breadcrumb .sep { color: var(--line-strong); margin: 0 0.6em; }

/* ---------- Grids / cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.cols { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.cols.center-v { align-items: center; }

.card { background: transparent; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(28px, 3vw, 38px); transition: border-color 0.3s var(--ease); position: relative; }
.card:hover { border-color: var(--line-violet); }
.card .card-num { font-size: 0.8rem; font-weight: var(--fw-semibold); letter-spacing: 0.18em; color: var(--violet); margin-bottom: 26px; display: block; }
.card h3 { margin-bottom: 14px; color: var(--bone); }
.card p { color: var(--ash); font-size: 0.98rem; }
.card-icon { width: 34px; height: 34px; color: var(--violet); margin-bottom: 22px; }

/* field-note / memo */
.memo { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.memo-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 26px; border-bottom: 1px solid var(--line); font-size: 0.64rem; font-weight: var(--fw-semibold); letter-spacing: 0.2em; text-transform: uppercase; color: var(--violet); }
.memo-head .tag { color: var(--smoke); }
.memo-body { padding: 30px 26px; }
.memo-body p { font-size: clamp(1.15rem, 1.6vw, 1.45rem); line-height: 1.45; color: var(--bone); font-weight: var(--fw-light); letter-spacing: -0.01em; }
.memo-body .small { font-size: 1rem; color: var(--ash); font-weight: var(--fw-regular); margin-top: 18px; letter-spacing: 0; }

/* note strip */
.note-strip { border-left: 1px solid var(--violet); padding: 6px 0 6px 26px; margin: 6px 0; }
.note-strip p { color: var(--bone); font-weight: var(--fw-light); font-size: 1.08rem; }

/* ---------- Outlined icon mark ---------- */
.icon-mark { width: clamp(76px, 9vw, 108px); height: clamp(76px, 9vw, 108px); color: var(--violet); margin: 0 auto 36px; display: block; }

/* ---------- Phase / service blocks ---------- */
.phases { display: grid; gap: 0; }
.phase { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(32px, 5vw, 80px); align-items: start; padding: clamp(44px, 6vw, 76px) 0; border-top: 1px solid var(--line); }
.phase:last-child { border-bottom: 1px solid var(--line); }
.phase-num { font-size: clamp(2.6rem, 5vw, 4.2rem); font-weight: var(--fw-light); color: var(--violet); line-height: 0.9; letter-spacing: -0.04em; }
.phase-label { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--smoke); margin: 18px 0 16px; font-weight: var(--fw-semibold); }
.phase h2 { font-size: clamp(1.7rem, 2.8vw, 2.4rem); margin-bottom: 20px; }
.phase .purpose { color: var(--ash); }
.phase .purpose + .purpose { margin-top: 16px; }

.deliverables h4 { font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--smoke); margin-bottom: 22px; font-weight: var(--fw-semibold); }
.deliverables ul { list-style: none; display: grid; gap: 14px; }
.deliverables li { position: relative; padding-left: 28px; font-size: 1rem; color: var(--ash); }
.deliverables li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; background: var(--violet); transform: rotate(45deg); }

/* ---------- Pills ---------- */
.kicker-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.pill { font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ash); border: 1px solid var(--line-mid); border-radius: 100px; padding: 10px 20px; transition: border-color 0.25s, color 0.25s; }
.pill.gold, .pill.accent { color: var(--bone); border-color: var(--line-violet); }
.pill:hover { border-color: var(--violet); color: var(--bone); }

/* ---------- Fit columns ---------- */
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.fit-col { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(30px, 3vw, 44px); }
.fit-col.yes { border-top: 1px solid var(--line-violet); }
.fit-col h3 { margin-bottom: 22px; font-size: clamp(1.3rem, 2vw, 1.6rem); color: var(--bone); }
.fit-col .intro { color: var(--ash); margin-bottom: 22px; font-size: 1rem; }
.fit-col ul { list-style: none; display: flex; flex-direction: column; gap: 15px; }
.fit-col li { position: relative; padding-left: 32px; font-size: 1.02rem; line-height: 1.45; }
.fit-col.yes li::before { content: ""; position: absolute; left: 0; top: 3px; width: 14px; height: 8px; border-left: 1.5px solid var(--violet); border-bottom: 1.5px solid var(--violet); transform: rotate(-45deg); }
.fit-col.no li { color: var(--smoke); }
.fit-col.no li::before { content: ""; position: absolute; left: 1px; top: 11px; width: 13px; height: 1.5px; background: var(--smoke); }

/* ---------- Founder ---------- */
.founder { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(40px, 6vw, 84px); align-items: center; }
.founder-photo { position: relative; border: 1px solid var(--line-mid); border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; }
.founder-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 14%; }
.founder-name { font-size: clamp(1.5rem, 2.2vw, 2rem); font-weight: var(--fw-medium); color: var(--bone); letter-spacing: -0.02em; margin-bottom: 5px; }
.founder-role { font-size: 0.72rem; font-weight: var(--fw-semibold); letter-spacing: 0.2em; text-transform: uppercase; color: var(--violet); }
.founder .signature { margin-top: 32px; padding-top: 26px; border-top: 1px solid var(--line); }
@media (max-width: 1024px) { .founder { grid-template-columns: 1fr; gap: 34px; } .founder-photo { max-width: 360px; } }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; position: relative; }
.cta-band .container { position: relative; z-index: 1; }
.cta-band .eyebrow { margin-bottom: 26px; }
.cta-band h2 { margin-bottom: 24px; }
.cta-band p { margin: 0 auto 36px; color: var(--ash); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 24px; }
.field { display: flex; flex-direction: column; gap: 10px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.8rem; letter-spacing: 0.04em; color: var(--bone); font-weight: var(--fw-medium); text-transform: uppercase; }
.field label .opt { color: var(--smoke); font-weight: var(--fw-regular); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: none; }
.field .req { color: var(--violet); }
.field input, .field textarea { font-family: var(--font); font-size: 1rem; color: var(--bone); background: var(--surface-input); border: 1px solid var(--line-mid); border-radius: var(--radius); padding: 15px 20px; transition: border-color 0.22s, background 0.22s; width: 100%; }
.field textarea { resize: vertical; min-height: 130px; line-height: 1.5; border-radius: var(--radius-soft); padding: 15px 18px; }
.field input::placeholder, .field textarea::placeholder { color: var(--smoke); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--violet); background: rgba(128,82,255,0.05); }
.form-note { font-size: 0.84rem; color: var(--smoke); }
fieldset { border: 0; }
.form-success { display: none; text-align: center; padding: clamp(48px, 6vw, 84px) 32px; border: 1px solid var(--line); border-radius: var(--radius); }
.form-success.show { display: block; animation: fadeUp 0.5s var(--ease-out) both; }
.form-success .check { width: 64px; height: 64px; margin: 0 auto 26px; border: 1px solid var(--line-violet); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--violet); }
.form-success h2 { margin-bottom: 16px; }
.form-success p { margin: 0 auto; max-width: 50ch; color: var(--ash); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: clamp(60px, 7vw, 92px) 0 44px; background: var(--void); }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 44px; margin-bottom: 60px; }
.footer-brand .brand { margin-bottom: 22px; }
.footer-tagline { font-size: 0.66rem; font-weight: var(--fw-semibold); letter-spacing: 0.2em; text-transform: uppercase; color: var(--violet); margin-bottom: 16px; }
.footer-brand p:not(.footer-tagline) { font-size: 0.92rem; color: var(--smoke); max-width: 36ch; line-height: 1.6; }
.footer-col h4 { font-size: 0.64rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ash); font-weight: var(--fw-semibold); margin-bottom: 22px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.footer-col a, .footer-col span { font-size: 0.92rem; color: var(--smoke); transition: color 0.25s; }
.footer-col a:hover { color: var(--bone); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 30px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.footer-bottom p { font-size: 0.78rem; color: var(--smoke); }
.footer-legal { display: flex; gap: 26px; }
.footer-legal a { font-size: 0.78rem; color: var(--smoke); }
.footer-legal a:hover { color: var(--bone); }

/* ---------- Legal / prose ---------- */
.prose { max-width: 760px; }
.prose h2 { font-size: clamp(1.4rem, 2.2vw, 1.8rem); margin: 48px 0 16px; }
.prose h2:first-of-type { margin-top: 0; }
.prose p, .prose ul { margin-bottom: 16px; color: var(--ash); font-size: 1rem; line-height: 1.6; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose a { color: var(--violet); }
.prose a:hover { text-decoration: underline; }
.legal-meta { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--smoke); margin-bottom: 36px; font-weight: var(--fw-medium); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; } .reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; } .reveal.d4 { transition-delay: 0.32s; } .reveal.d5 { transition-delay: 0.40s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 480px; margin: 0 auto; }
  .page-hero-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .cols { grid-template-columns: 1fr; gap: 32px; }
  .phase { grid-template-columns: 1fr; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 880px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { padding: 0 24px; }
  .nav-inner { height: 70px; }
  .nav-mobile { top: 70px; }
  .hero { padding-top: 128px; }
  .page-hero { padding-top: 130px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .fit { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1; justify-content: center; }
}
@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .card, .fit-col { padding: 26px 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 16px; }
}