/* ============================================
   David AI Marketing — Editorial Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght,SOFT,WONK@0,9..144,300..900,0..100,0..1;1,9..144,300..900,0..100,0..1&family=Hanken+Grotesk:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:        #0F0D0A;
  --bg-elev:   #181410;
  --surface:   #221C16;
  --ink:       #F2EADA;
  --ink-2:     #C5BCA9;
  --ink-muted: #8A8273;
  --ink-faint: #4A453C;
  --rule:      rgba(242, 234, 218, 0.12);
  --rule-2:    rgba(242, 234, 218, 0.06);
  --accent:    #E25822;
  --accent-2:  #FF7A3D;
  --accent-soft: rgba(226, 88, 34, 0.14);

  --font-display: 'Fraunces', 'Times New Roman', serif;
  --font-sans:    'Hanken Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --max-w: 1280px;
  --pad:   clamp(1.25rem, 4vw, 2.5rem);

  --fs-display: clamp(3.25rem, 9vw, 9.5rem);
  --fs-h1:      clamp(2.5rem, 5.5vw, 5rem);
  --fs-h2:      clamp(1.75rem, 3vw, 2.75rem);
  --fs-lead:    clamp(1.125rem, 1.5vw, 1.375rem);
  --fs-body:    1rem;
  --fs-mono:    0.75rem;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

/* Grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: screen;
}

/* Glow accent on hero corner */
body::after {
  content: "";
  position: fixed;
  top: -20vh;
  right: -20vw;
  width: 80vw;
  height: 80vh;
  background: radial-gradient(circle at center, var(--accent-soft) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  filter: blur(40px);
}

::selection { background: var(--accent); color: var(--ink); }

a { color: inherit; text-decoration: none; }

button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }

img, svg { display: block; max-width: 100%; }

/* ============= TYPOGRAPHY ============= */

.display {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: var(--fs-display);
  line-height: 0.92;
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.display em {
  font-style: italic;
  font-weight: 380;
  color: var(--accent);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}

.h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-h1);
  line-height: 0.96;
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
.h1 em { font-style: italic; color: var(--accent); }

.h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-h2);
  line-height: 1.05;
  letter-spacing: -0.025em;
}
.h2 em { font-style: italic; color: var(--accent); }

.lead {
  font-size: var(--fs-lead);
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink-2);
  letter-spacing: -0.005em;
  max-width: 56ch;
}

.eyebrow,
.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

.eyebrow { color: var(--accent); }

.body-text { color: var(--ink-2); line-height: 1.7; max-width: 60ch; }

/* ============= LAYOUT ============= */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.section {
  padding: clamp(5rem, 10vw, 9rem) 0;
  position: relative;
}

.section + .section { border-top: 1px solid var(--rule); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
}

.divider {
  height: 1px;
  background: var(--rule);
  margin: 0;
}

/* ============= NAV ============= */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 13, 10, 0.7);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--rule);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
  gap: 2rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.brand-mark {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  position: relative;
  flex-shrink: 0;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--bg);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}
.nav-links a { transition: color 0.3s var(--ease); }
.nav-links a:hover { color: var(--ink); }

.nav-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-meta .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2.5s var(--ease) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}

@media (max-width: 740px) {
  .nav-links { display: none; }
}

/* ============= HERO ============= */

.hero {
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(5rem, 10vw, 9rem);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
  align-items: end;
}

.hero-eyebrow {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.hero-eyebrow .line { flex: 1; height: 1px; background: var(--rule); }

.hero-title {
  grid-column: 1 / span 12;
}

.hero-meta {
  grid-column: 1 / span 5;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.hero-cta {
  grid-column: 8 / span 5;
  margin-top: clamp(2rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-end;
  text-align: right;
}

@media (max-width: 900px) {
  .hero-meta { grid-column: 1 / -1; }
  .hero-cta {
    grid-column: 1 / -1;
    align-items: flex-start;
    text-align: left;
  }
}

/* CTA buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.5rem 0.95rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
  transition: all 0.3s var(--ease);
  border: 1px solid var(--rule);
  white-space: nowrap;
}
.btn .arrow { transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translate(3px, -3px); }

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); }

.btn-ghost { color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* ============= SERVICES (editorial dossier) ============= */

.section-head {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.section-head .label { grid-column: 1 / span 4; }
.section-head .title { grid-column: 5 / span 8; }

@media (max-width: 900px) {
  .section-head .label,
  .section-head .title { grid-column: 1 / -1; }
}

.service {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--rule);
  position: relative;
  cursor: default;
  transition: background 0.5s var(--ease);
}
.service:last-child { border-bottom: 1px solid var(--rule); }
.service:hover { background: linear-gradient(180deg, transparent 0%, rgba(226,88,34,0.04) 100%); }

.service-num {
  grid-column: 1 / span 1;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.12em;
  padding-top: 0.6rem;
}

.service-content {
  grid-column: 2 / span 7;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.service-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 144, "SOFT" 50, "WONK" 1;
}
.service:hover .service-title { font-style: italic; color: var(--accent); }

.service-desc {
  color: var(--ink-2);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 52ch;
}

.service-tags {
  grid-column: 9 / span 4;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  padding-top: 0.6rem;
}
.service-tags li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.service-tags li::before {
  content: "—";
  color: var(--accent);
}

@media (max-width: 900px) {
  .service-num { grid-column: 1 / -1; }
  .service-content { grid-column: 1 / -1; }
  .service-tags { grid-column: 1 / -1; padding-top: 0; }
}

/* ============= MANIFESTO ============= */

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
}
.manifesto-label { grid-column: 1 / span 3; }
.manifesto-text { grid-column: 5 / span 8; }
.manifesto-text p {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.25rem);
  font-weight: 350;
  line-height: 1.25;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin-bottom: 1.5rem;
  font-variation-settings: "opsz" 144, "SOFT" 80;
}
.manifesto-text p em { font-style: italic; color: var(--accent); }

@media (max-width: 900px) {
  .manifesto-label,
  .manifesto-text { grid-column: 1 / -1; }
}

/* ============= STATS ============= */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}
.stat { display: flex; flex-direction: column; gap: 0.5rem; }
.stat:not(:last-child) { border-right: 1px solid var(--rule); padding-right: 2rem; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 350;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-variation-settings: "opsz" 144, "SOFT" 70;
}
.stat-num em { font-style: italic; color: var(--accent); }
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-top: 0.5rem;
}

@media (max-width: 760px) {
  .stats { grid-template-columns: 1fr; }
  .stat:not(:last-child) { border-right: none; border-bottom: 1px solid var(--rule); padding-right: 0; padding-bottom: 1.5rem; }
}

/* ============= CONTACT ============= */

.contact {
  text-align: left;
}
.contact-mega {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 6.5rem);
  font-weight: 350;
  line-height: 0.95;
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.contact-mega em { font-style: italic; color: var(--accent); }
.contact-mega a {
  color: inherit;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.1em;
  transition: color 0.3s var(--ease);
  display: inline-block;
}
.contact-mega a:hover { color: var(--accent); font-style: italic; }

/* ============= FOOTER ============= */

.footer {
  padding: clamp(3rem, 5vw, 4rem) 0 2.5rem;
  border-top: 1px solid var(--rule);
}
.footer-inner {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 2vw, 2rem);
  align-items: start;
}
.footer-brand { grid-column: 1 / span 4; }
.footer-address { grid-column: 5 / span 5; }
.footer-links { grid-column: 10 / span 3; text-align: right; }

.footer-brand .name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  font-weight: 450;
  margin-bottom: 0.5rem;
}
.footer-brand .copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

.footer-address {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.8;
  color: var(--ink-2);
}
.footer-address .legal {
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  font-size: 0.7rem;
}

.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  transition: color 0.3s var(--ease);
}
.footer-links a:hover { color: var(--accent); }

@media (max-width: 900px) {
  .footer-brand,
  .footer-address,
  .footer-links { grid-column: 1 / -1; text-align: left; }
  .footer-links ul { flex-direction: row; flex-wrap: wrap; gap: 1.5rem; }
}

/* ============= ANIMATIONS ============= */

@keyframes rise {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.rise { opacity: 0; animation: rise 1s var(--ease) forwards; }
.rise-1 { animation-delay: 0.05s; }
.rise-2 { animation-delay: 0.20s; }
.rise-3 { animation-delay: 0.35s; }
.rise-4 { animation-delay: 0.50s; }
.rise-5 { animation-delay: 0.65s; }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Marquee for moving accents */
.marquee {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  padding: 1.25rem 0;
}
.marquee-track {
  display: flex;
  gap: 4rem;
  white-space: nowrap;
  animation: scroll 35s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}
.marquee-track span { display: inline-flex; align-items: center; gap: 1rem; }
.marquee-track span::before {
  content: "✦";
  color: var(--accent);
  font-size: 0.7rem;
}

@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============= LEGAL PAGES ============= */

.legal-main {
  max-width: 780px;
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) var(--pad);
}
.legal-main .h1 { margin-bottom: 0.75rem; }
.legal-main h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 450;
  letter-spacing: -0.018em;
  margin: 3rem 0 1rem;
  color: var(--ink);
}
.legal-main h3 {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 2rem 0 0.75rem;
}
.legal-main p, .legal-main li {
  color: var(--ink-2);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}
.legal-main ul { list-style: none; padding-left: 0; }
.legal-main ul li { padding-left: 1.25rem; position: relative; }
.legal-main ul li::before {
  content: "—";
  color: var(--accent);
  position: absolute;
  left: 0;
}
.legal-main strong { color: var(--ink); font-weight: 600; }
.legal-main a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.legal-main a:hover { border-bottom-color: var(--accent); }
.legal-main table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.92rem; }
.legal-main th, .legal-main td { border-bottom: 1px solid var(--rule); padding: 0.75rem 0.5rem; text-align: left; }
.legal-main th { color: var(--ink); font-weight: 600; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; }
.legal-main hr { border: none; border-top: 1px solid var(--rule); margin: 2.5rem 0; }
.legal-stamp {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  margin-bottom: 2rem;
}