/* ═══════════════════════════════════════════════════
   KIMY CARS — styles.css
   Gold: #B8960C  |  Bg: #0a0a0a  |  Font: Inter
   ═══════════════════════════════════════════════════ */

/* ── CUSTOM PROPERTIES ── */
:root {
  --gold:       #B8960C;
  --gold-rgb:   184, 150, 12;
  --gold-dim:   rgba(184, 150, 12, 0.22);
  --gold-faint: rgba(184, 150, 12, 0.07);
  --bg:         #0a0a0a;
  --text:       #F0EDE6;
  --text-muted: #888888;
  --nav-h:      68px;
  --font:       'Inter', system-ui, -apple-system, sans-serif;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(184, 150, 12, 0.3) transparent;
  overflow-x: hidden;
}
::-webkit-scrollbar        { width: 3px; }
::-webkit-scrollbar-track  { background: transparent; }
::-webkit-scrollbar-thumb  { background: rgba(184, 150, 12, 0.32); border-radius: 2px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
}

img    { display: block; max-width: 100%; }
a      { color: inherit; text-decoration: none; }
ul     { list-style: none; }
button { border: none; background: none; font: inherit; cursor: pointer; }

/* ── APPEAR ANIMATION ── */
.appear {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.appear.visible { opacity: 1; transform: translateY(0); }
.appear:nth-child(2) { transition-delay: 0.08s; }
.appear:nth-child(3) { transition-delay: 0.16s; }
.appear:nth-child(4) { transition-delay: 0.24s; }
.appear:nth-child(5) { transition-delay: 0.32s; }
.appear:nth-child(6) { transition-delay: 0.40s; }
.appear:nth-child(7) { transition-delay: 0.48s; }

/* ════════════════════════════════════════
   NAV
   ════════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  z-index: 200;
  transition: background 0.4s ease, backdrop-filter 0.4s ease,
              border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: rgba(184, 150, 12, 0.1);
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img {
  height: 54px;
  width: auto;
  object-fit: contain;
}
.nav-logo-fallback {
  font-size: 22px;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 2.4rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.22s ease;
}
.nav-links a:hover { color: var(--gold); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 201;
  position: relative;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.8px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1),
              opacity   0.32s ease;
}
#nav.menu-open .hamburger span:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
#nav.menu-open .hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
#nav.menu-open .hamburger span:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

/* ════════════════════════════════════════
   HERO
   ════════════════════════════════════════ */
#hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 2rem) clamp(1.5rem, 8vw, 8rem) 4rem;
}
#hero-lines {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 680px;
}

.hero-eyebrow {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.6rem;
}
.hero-name {
  font-size: clamp(2.2rem, 5.5vw, 4.4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.4rem;
}
.hero-em {
  font-style: italic;
  color: var(--gold);
}
.hero-bio {
  font-size: clamp(0.92rem, 1.8vw, 1.08rem);
  font-weight: 300;
  color: var(--text-muted);
  width: 100%;
  max-width: 480px;
  line-height: 1.75;
  margin: 0 auto;
}
.hero-ctas {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 2.4rem;
}
.btn-primary {
  display: inline-block;
  padding: 0.72rem 1.6rem;
  background: var(--gold);
  color: #0a0a0a;
  border: 1px solid var(--gold);
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: opacity 0.22s ease;
}
.btn-primary:hover { opacity: 0.82; }
.btn-outline {
  display: inline-block;
  padding: 0.72rem 1.6rem;
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background 0.22s ease;
}
.btn-outline:hover { background: rgba(184,150,12,0.1); }

/* ════════════════════════════════════════
   STATS
   ════════════════════════════════════════ */
#stats {
  background: #0f0f0f;
  padding: 4rem clamp(1.5rem, 5vw, 5rem);
  border-top: 1px solid rgba(184, 150, 12, 0.08);
  border-bottom: 1px solid rgba(184, 150, 12, 0.08);
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.stat-num {
  display: block;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 0.35rem;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

/* ════════════════════════════════════════
   PROJECTS HEADER
   ════════════════════════════════════════ */
.projects-header {
  padding: 5rem clamp(1.5rem, 5vw, 5rem) 0;
  border-top: 1px solid rgba(184,150,12,0.07);
  text-align: center;
}
.projects-header-title {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--text);
}

/* ════════════════════════════════════════
   NAV CTA PILL
   ════════════════════════════════════════ */
.nav-cta {
  color: var(--gold) !important;
  border: 1px solid rgba(184,150,12,0.45);
  border-radius: 4px;
  padding: 0.3rem 0.9rem;
  transition: background 0.22s ease !important;
}
.nav-cta:hover { background: rgba(184,150,12,0.1); }

/* ════════════════════════════════════════
   PROJECT SECTIONS
   ════════════════════════════════════════ */
.project-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  /* 25% less than previous 5rem = 3.75rem */
  padding: 3.75rem clamp(1.5rem, 5vw, 5rem);
  border-top: 1px solid rgba(184, 150, 12, 0.07);
}
.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Reversed: visual left, text right */
.project-grid--reversed .project-visual { order: -1; }

.project-name {
  display: block;
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.55rem;
}
.project-tag {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}
.project-title {
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 1rem;
}
.project-body {
  font-size: 0.93rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.78;
  margin-bottom: 1.4rem;
  max-width: 480px;
}

.features {
  list-style: none;
  margin-bottom: 2rem;
}
.features li {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.5;
  padding: 0.38rem 0 0.38rem 1.2rem;
  position: relative;
}
.features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.cta-btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  border: 1px solid var(--gold);
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--gold);
  background: transparent;
  transition: background 0.24s ease, color 0.24s ease;
}
.cta-btn:hover { background: var(--gold); color: #0a0a0a; }

.cta-soon {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  border: 1px solid var(--gold-dim);
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.45;
  cursor: default;
  user-select: none;
}

.project-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-visual svg {
  width: 100%;
  max-width: 440px;
  height: auto;
}

/* ════════════════════════════════════════
   VESTIARIUM ANIMATION
   ════════════════════════════════════════ */
.vest-piece {
  opacity: 0;
  transform: translateY(-30px);
  transition: opacity 0.55s ease,
              transform 0.65s cubic-bezier(0.34, 1.45, 0.64, 1);
}
.vest-piece.drop {
  opacity: 1;
  transform: translateY(0);
}

.vest-badge {
  opacity: 0;
  transition: opacity 0.45s ease;
}
.vest-badge.show { opacity: 1; }

.vest-pulse {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}
@keyframes vestPulse {
  0%   { transform: scale(1);   opacity: 0.75; }
  100% { transform: scale(4);   opacity: 0;    }
}
.vest-pulse.pulsing {
  animation: vestPulse 1.4s ease-out forwards;
}

/* ════════════════════════════════════════
   INCOMEROCKET — BROWSER DRAW ANIMATION
   (stroke-dashoffset drawing effect)
   ════════════════════════════════════════ */

.bel {
  stroke: var(--gold);
  fill: none;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  opacity: 0;
}
.bel.bel-draw {
  stroke-dashoffset: 0;
  opacity: 1;
  transition: stroke-dashoffset 1.1s ease-out, opacity 0.35s ease;
}
.bel.bel-fade {
  stroke-dashoffset: 0;
  opacity: 0;
  transition: opacity 0.9s ease;
}

/* Individual stroke widths */
.b-frame { stroke-width: 1.1; }
.b-bar   { stroke-width: 0.7; }
.b-dot   { stroke-width: 1.1; }
.b-url   { stroke-width: 0.7; }
.b-lyt1  { stroke-width: 0.7; stroke-opacity: 0.6; }
.b-lyt2  { stroke-width: 0.8; stroke-opacity: 0.75; }
.b-lyt3  { stroke-width: 0.8; stroke-opacity: 0.8; }
.b-lyt4  { stroke-width: 0.5; stroke-opacity: 0.45; }

/* ════════════════════════════════════════
   SCREENPACT ANIMATION
   ════════════════════════════════════════ */

/* Continuously traveling dashes on the arc */
#sc-signal-path {
  animation: scDashFlow 0.8s linear infinite;
}
@keyframes scDashFlow {
  to { stroke-dashoffset: -28; } /* one dash+gap period: 8+6+8+6 = nope, just 14 per cycle */
}

/* Shackle open pivot (hinges at bottom-right of U) */
#sc-user-shackle {
  transform-box: fill-box;
  transform-origin: right bottom;
  transition: transform 0.42s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease;
}
#sc-user-shackle.open {
  transform: rotate(44deg);
  opacity: 0.45;
}

/* Notification: JS controls opacity + transform directly */
#sc-notification {
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.3, 0.64, 1);
}

/* Pulse rings */
@keyframes scPulse {
  0%   { r: 8;  opacity: 0.7; }
  100% { r: 36; opacity: 0;   }
}
#sc-p1.pulsing { animation: scPulse 1s ease-out forwards; }
#sc-p2.pulsing { animation: scPulse 1.35s 0.24s ease-out forwards; }


/* ════════════════════════════════════════
   ABOUT
   ════════════════════════════════════════ */
#about {
  padding: 6rem clamp(1.5rem, 8vw, 8rem);
  border-top: 1px solid rgba(184, 150, 12, 0.07);
  text-align: center;
}
.about-inner {
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
}
.about-text {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.85;
  font-style: normal;
  margin-bottom: 1.4rem;
}
.about-sub {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(136, 136, 136, 0.7);
  line-height: 1.7;
  font-style: normal;
}

/* ════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════ */
#footer {
  padding: 3rem clamp(1.5rem, 5vw, 5rem);
  border-top: 1px solid rgba(184, 150, 12, 0.1);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo img {
  height: 72px;
  width: auto;
  object-fit: contain;
  opacity: 0.75;
}
.footer-logo-fallback {
  font-size: 1rem;
  font-weight: 900;
  color: var(--gold);
  opacity: 0.65;
  display: flex;
  align-items: center;
}

.footer-center { text-align: center; }
.footer-nav {
  display: flex;
  gap: 1.4rem;
  justify-content: center;
  margin-bottom: 0.65rem;
}
.footer-nav a {
  font-size: 0.76rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.22s ease;
}
.footer-nav a:hover { color: var(--gold); }
.footer-domain {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(136, 136, 136, 0.5);
}

.footer-socials {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  align-items: center;
}
.social-icon {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: color 0.22s ease;
}
.social-icon:hover { color: var(--gold); }

.footer-btc {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 500;
  opacity: 0.7;
  padding-left: 0.9rem;
  margin-left: 0.2rem;
  border-left: 1px solid rgba(184, 150, 12, 0.25);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* ════════════════════════════════════════
   SERVICES
   ════════════════════════════════════════ */
#services {
  position: relative;
  overflow: hidden;
  padding: 6rem clamp(1.5rem, 5vw, 5rem);
  border-top: 1px solid rgba(184,150,12,0.07);
}
#svc-waterfall {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}
.services-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
}
.services-title {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  text-align: center;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.service-card {
  background: rgba(10,10,10,0.72);
  border: 1px solid rgba(184,150,12,0.12);
  border-radius: 12px;
  padding: 1.8rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: border-color 0.3s ease;
}
.service-card:hover { border-color: rgba(184,150,12,0.3); }
.service-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.service-desc {
  font-size: 0.86rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.72;
}

/* ════════════════════════════════════════
   KIMY ON BITCOIN
   ════════════════════════════════════════ */
#bitcoin {
  padding: 6rem clamp(1.5rem, 5vw, 5rem);
  border-top: 1px solid rgba(184,150,12,0.07);
}
.bitcoin-inner {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}
.bitcoin-eyebrow {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  color: var(--gold);
  margin-bottom: 1rem;
}
.bitcoin-title {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.bitcoin-sub {
  font-size: 0.93rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 3rem;
}
.btc-section-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #666;
  margin-bottom: 1rem;
}
.btc-talks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 2rem;
}
.btc-card {
  background: #111;
  border: 1px solid rgba(184,150,12,0.18);
  border-radius: 8px;
  padding: 1.6rem;
  transition: border-color 0.3s ease;
}
.btc-card:hover { border-color: rgba(184,150,12,0.38); }
.btc-label {
  display: block;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold);
  opacity: 0.75;
  margin-bottom: 0.8rem;
}
.btc-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.55rem;
  letter-spacing: -0.01em;
}
.btc-card-text {
  font-size: 0.86rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.72;
}
.btc-stats-wrap { margin-top: 2.5rem; }
.btc-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(184,150,12,0.08);
  text-align: center;
}
.btc-stat-num {
  display: block;
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 900;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
  line-height: 1.1;
}
.btc-stat-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ════════════════════════════════════════
   CONTACT
   ════════════════════════════════════════ */
#contact {
  padding: 7rem clamp(1.5rem, 8vw, 8rem);
  border-top: 1px solid rgba(184,150,12,0.07);
}
.contact-inner {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.contact-title {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
.contact-sub {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
  margin-bottom: 1.4rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.contact-form input,
.contact-form textarea {
  background: rgba(184,150,12,0.04);
  border: 1px solid rgba(184,150,12,0.18);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text);
  width: 100%;
  transition: border-color 0.22s ease;
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(136,136,136,0.45); }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(184,150,12,0.5);
}
.form-submit { cursor: pointer; }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.form-feedback { font-size: 0.82rem; margin-top: 0.2rem; min-height: 1.2em; }
.form-feedback--ok  { color: #52a35a; }
.form-feedback--err { color: #e05252; }
.contact-email {
  font-size: 0.82rem;
  font-weight: 300;
  color: rgba(136,136,136,0.55);
}
.contact-email a {
  color: rgba(184,150,12,0.65);
  text-decoration: underline;
  text-decoration-color: rgba(184,150,12,0.25);
  transition: color 0.22s ease;
}
.contact-email a:hover { color: var(--gold); }

/* ════════════════════════════════════════
   RESPONSIVE — ≤960px
   ════════════════════════════════════════ */
@media (max-width: 960px) {
  .project-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .project-visual { grid-row: 1; }
  .project-text   { grid-row: 2; }
  /* Reset order on mobile so grid-row controls stacking */
  .project-grid--reversed .project-visual { order: 0; }
  .project-visual svg { max-width: 340px; }
  .project-body { max-width: 100%; }

  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .btc-talks { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════
   RESPONSIVE — ≤640px
   ════════════════════════════════════════ */
@media (max-width: 640px) {
  /* Mobile nav overlay */
  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.8rem;
    transform: translateX(100%);
    transition: transform 0.34s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 199;
  }
  .nav-links a { font-size: 1.25rem; letter-spacing: 0.14em; }
  #nav.menu-open .nav-links { transform: translateX(0); }
  .hamburger { display: flex; }

  /* Hero */
  .hero-name { font-size: clamp(2rem, 8vw, 3rem); }
  #hero { padding-left: 1.5rem; padding-right: 1.5rem; }

  /* Sections */
  .project-section {
    min-height: auto;
    padding: 4rem 1.5rem;
  }
  .project-grid { gap: 2rem; }
  .project-visual svg { max-width: 290px; }

  /* Stats 2×2 on mobile */
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  #stats { padding: 3rem 1.5rem; }

  /* About */
  #about { padding: 4rem 1.5rem; }

  /* Services + Bitcoin */
  #services { padding: 4rem 1.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  #bitcoin { padding: 4rem 1.5rem; }
  .btc-talks { grid-template-columns: 1fr; }
  .btc-stats { grid-template-columns: 1fr; gap: 1.5rem; }

  /* Contact */
  .form-row { grid-template-columns: 1fr; }
  #contact { padding: 4rem 1.5rem; }

  /* Footer */
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.8rem;
  }
  .footer-logo { justify-content: center; }
  .footer-socials { justify-content: center; }
  .footer-btc { border-left: none; padding-left: 0; margin-left: 0; }
}