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

/* ─── CSS VARIABLES ──────────────────────────────────────────────────────── */
:root {
  --bg:               #f7f7f4;
  --bg-soft:          #ffffff;
  --text:             #111111;
  --muted:            #666a70;
  --muted-light:      #8b9098;
  --line:             rgba(17, 17, 17, 0.10);
  --glass:            rgba(255, 255, 255, 0.62);
  --glass-strong:     rgba(255, 255, 255, 0.82);
  --dark:             #0b0c0f;
  --dark-soft:        #17191f;
  --accent:           #7d8cff;
  --accent-deep:      #4d5dff;
  --gold-soft:        #c8b88a;
  --primary-btn-bg:   #111111;
  --primary-btn-text: #ffffff;
  --secondary-border: rgba(17, 17, 17, 0.16);
  --max:              1180px;
  --radius-card:      32px;
  --radius-panel:     44px;
  --ease-out:         cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── BASE ───────────────────────────────────────────────────────────────── */
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ─── TYPOGRAPHY ─────────────────────────────────────────────────────────── */
.label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
h1 {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text);
}
h2 {
  font-size: clamp(34px, 4.5vw, 58px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text);
}
h3 {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
p { line-height: 1.75; }
a { text-decoration: none; color: inherit; }

/* ─── LAYOUT ─────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}
section {
  padding: 120px 28px;
}
.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  border: none;
}
.btn-primary {
  background: var(--primary-btn-bg);
  color: var(--primary-btn-text);
}
.btn-primary:hover {
  background: #2a2a2a;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--secondary-border);
}
.btn-secondary:hover {
  background: rgba(17,17,17,0.04);
  border-color: rgba(17,17,17,0.28);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(125,140,255,0.3);
  padding: 12px 24px;
  font-size: 13px;
}
.btn-ghost:hover {
  background: rgba(125,140,255,0.08);
  border-color: var(--accent);
}
.cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ─── HEADER ─────────────────────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: var(--glass-strong);
  border-color: var(--line);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-brand img {
  height: 28px;
  width: auto;
  display: block;
}
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.hero-eyebrow-logo {
  margin-top: 24px;
  margin-bottom: 24px;
  margin-left: 16px;
  display: flex;
  justify-content: flex-start;
}
.hero-eyebrow-logo img {
  max-width: min(180px, 35%);
  height: auto;
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  color: var(--muted);
  font-weight: 400;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta .btn { padding: 10px 22px; font-size: 13px; }
.nav-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text);
}
.nav-menu-btn svg { display: block; }
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--glass-strong);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--line);
  padding: 20px 28px 28px;
  z-index: 99;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; }
.mobile-menu ul li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.mobile-menu ul li:last-child { border-bottom: none; }
.mobile-menu a { font-size: 16px; color: var(--text); font-weight: 400; }
.mobile-cta { margin-top: 20px; }

/* ─── REVEAL ANIMATION ───────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── HERO ───────────────────────────────────────────────────────────────── */
#hero {
  padding-top: 160px;
  padding-bottom: 120px;
  padding-left: 28px;
  padding-right: 12px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(125,140,255,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 30% 70%, rgba(77,93,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1340px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  align-items: center;
}
.hero-inner.layout-centered {
  grid-template-columns: 1fr;
  text-align: center;
  max-width: 860px;
}
.hero-inner.layout-centered .cta-group { justify-content: center; }
.hero-inner.layout-centered .hero-visual { margin: 0 auto; }
.hero-inner.layout-text-right { direction: rtl; }
.hero-inner.layout-text-right .hero-content { direction: ltr; }
.hero-inner.layout-text-right .hero-visual { direction: ltr; }
.hero-eyebrow {
  margin-bottom: 24px;
}
.hero-title {
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--muted);
  font-weight: 400;
  max-width: 520px;
  margin-bottom: 16px;
  line-height: 1.65;
}
.hero-microcopy {
  font-size: 15px;
  color: var(--muted-light);
  max-width: 440px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 5/4;
  border-radius: var(--radius-panel);
  overflow: hidden;
}
.hero-visual-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #eeeef8 0%, #f0f0fa 50%, #e8e8f5 100%);
  border-radius: var(--radius-panel);
  position: relative;
  overflow: hidden;
}
.hero-visual-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(125,140,255,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 30% 70%, rgba(77,93,255,0.10) 0%, transparent 60%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
}
.hero-orb-1 {
  width: 140px; height: 140px;
  top: 20%; left: 55%;
  background: radial-gradient(circle, rgba(125,140,255,0.35) 0%, rgba(125,140,255,0.05) 70%);
  animation: floatOrb 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 90px; height: 90px;
  top: 55%; left: 25%;
  background: radial-gradient(circle, rgba(77,93,255,0.25) 0%, rgba(77,93,255,0.03) 70%);
  animation: floatOrb 11s ease-in-out infinite reverse;
}
.hero-orb-3 {
  width: 60px; height: 60px;
  top: 70%; left: 65%;
  background: radial-gradient(circle, rgba(200,184,138,0.3) 0%, transparent 70%);
  animation: floatOrb 9s ease-in-out 2s infinite;
}
.hero-node {
  position: absolute;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}
.hero-node-1 { width: 6px; height: 6px; top: 30%; left: 40%; animation: pulseDot 4s ease-in-out infinite; }
.hero-node-2 { width: 4px; height: 4px; top: 50%; left: 70%; animation: pulseDot 5s ease-in-out 1s infinite; }
.hero-node-3 { width: 5px; height: 5px; top: 65%; left: 45%; animation: pulseDot 6s ease-in-out 0.5s infinite; }
.hero-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(125,140,255,0.3), transparent);
  transform-origin: left center;
}
.hero-line-1 { width: 120px; top: 31%; left: 40%; transform: rotate(25deg); }
.hero-line-2 { width: 90px; top: 51%; left: 50%; transform: rotate(-15deg); }
.hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-panel);
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(12px, -16px) scale(1.04); }
  66% { transform: translate(-8px, 10px) scale(0.97); }
}
@keyframes pulseDot {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.5); }
}

/* ─── HERO LAYOUT VARIANTS ───────────────────────────────────────────────── */
#hero.spacing-compact { padding-top: 120px; padding-bottom: 80px; }
#hero.spacing-standard { padding-top: 140px; padding-bottom: 100px; }

/* ─── PRINCIPLES ─────────────────────────────────────────────────────────── */
#principles {
  background: var(--bg-soft);
}
.section-header {
  margin-bottom: 64px;
}
.section-header .label { margin-bottom: 16px; }
.section-header h2 { margin-bottom: 20px; max-width: 600px; }
.section-header p {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.75;
}
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.principles-grid.layout-single-row {
  grid-template-columns: repeat(4, 1fr);
}
.principles-grid.layout-stacked {
  grid-template-columns: 1fr;
}
.principle-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px;
  transition: transform 0.4s var(--ease-out), border-color 0.3s, box-shadow 0.4s var(--ease-out);
  cursor: default;
}
.principle-card:hover {
  transform: translateY(-5px);
  border-color: rgba(17,17,17,0.18);
  box-shadow: 0 24px 60px rgba(0,0,0,0.07);
}
.principle-number {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
}
.principle-card h3 {
  margin-bottom: 14px;
  font-size: 17px;
}
.principle-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
}

/* ─── DEEP STATEMENT ─────────────────────────────────────────────────────── */
#deep-statement {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
#deep-statement::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, rgba(125,140,255,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(200,184,138,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.deep-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.deep-inner .label {
  color: var(--gold-soft);
  margin-bottom: 36px;
  opacity: 0.8;
}
.deep-statement-text {
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.45;
  color: rgba(255,255,255,0.92);
  margin-bottom: 32px;
}
.deep-support-text {
  font-size: 17px;
  color: rgba(255,255,255,0.42);
  line-height: 1.8;
  max-width: 620px;
  margin: 0 auto;
}
#deep-statement .hero-visual-placeholder {
  background: linear-gradient(135deg, #0f1015 0%, #13151c 100%);
}

/* ─── SYMBIOS ────────────────────────────────────────────────────────────── */
#symbios {
  background: var(--bg);
}
.symbios-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.symbios-inner.layout-centered-visual {
  grid-template-columns: 1fr;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.symbios-inner.layout-centered-visual .symbios-visual {
  order: -1;
  margin: 0 auto;
  max-width: 680px;
  width: 100%;
}
.symbios-inner.layout-centered-visual .cta-group { justify-content: center; }
.symbios-inner.layout-visual-left .symbios-visual { order: -1; }
.symbios-content .label { margin-bottom: 20px; }
.symbios-content h2 { margin-bottom: 20px; }
.symbios-content .main-text {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 16px;
}
.symbios-content .support-text {
  font-size: 15px;
  color: var(--muted-light);
  line-height: 1.75;
  margin-bottom: 36px;
}
.symbios-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--radius-panel);
  overflow: hidden;
}
.symbios-visual-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, #1a1c24 0%, #12141a 100%);
  border-radius: var(--radius-panel);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}
.symbios-dock {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 10px 16px;
}
.dock-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(125,140,255,0.2);
}
.dock-icon:nth-child(2) { background: rgba(77,93,255,0.25); }
.dock-icon:nth-child(3) { background: rgba(200,184,138,0.15); }
.dock-icon:nth-child(4) { background: rgba(255,255,255,0.08); }
.symbios-window {
  position: absolute;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 14px;
  overflow: hidden;
}
.symbios-window-bar {
  height: 28px;
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
}
.window-dot { width: 8px; height: 8px; border-radius: 50%; }
.window-dot:nth-child(1) { background: rgba(255,90,90,0.5); }
.window-dot:nth-child(2) { background: rgba(255,180,50,0.4); }
.window-dot:nth-child(3) { background: rgba(50,200,100,0.4); }
.window-body {
  padding: 12px;
}
.window-line {
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.08);
  margin-bottom: 8px;
}
.window-line:nth-child(2) { width: 75%; }
.window-line:nth-child(3) { width: 50%; }
.symbios-window-1 {
  top: 12%;
  left: 8%;
  width: 42%;
}
.symbios-window-2 {
  top: 18%;
  right: 8%;
  width: 38%;
}
.symbios-ai-bar {
  position: absolute;
  bottom: 72px;
  left: 12%;
  right: 12%;
  background: rgba(125,140,255,0.08);
  border: 1px solid rgba(125,140,255,0.2);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ai-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulseDot 2s ease-in-out infinite;
}
.ai-line {
  height: 5px;
  border-radius: 3px;
  background: rgba(125,140,255,0.2);
  flex: 1;
}
.symbios-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ─── TABS ───────────────────────────────────────────────────────────────── */
#about {
  background: var(--bg-soft);
}
.tabs-header {
  margin-bottom: 48px;
}
.tabs-header .label { margin-bottom: 16px; }
.tabs-header h2 { margin-bottom: 16px; max-width: 560px; }
.tabs-header .intro-text {
  font-size: 17px;
  color: var(--muted);
  max-width: 600px;
  line-height: 1.75;
}
.tab-list {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 48px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-list::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text); }
.tab-btn[aria-selected="true"] {
  color: var(--text);
  border-bottom-color: var(--text);
  font-weight: 500;
}
.tab-panel {
  display: none;
  animation: fadeIn 0.4s var(--ease-out);
}
.tab-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.tab-content h3 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.tab-content p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  white-space: pre-line;
}
.tab-cta {
  margin-top: 28px;
}

/* ─── CONTACT ────────────────────────────────────────────────────────────── */
#contact {
  background: var(--bg);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.contact-info .label { margin-bottom: 16px; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info .intro-text {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 28px;
}
.contact-email a {
  font-size: 15px;
  color: var(--accent);
  font-weight: 500;
  border-bottom: 1px solid rgba(125,140,255,0.3);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}
.contact-email a:hover { border-color: var(--accent); }
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.field label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--muted-light); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(125,140,255,0.12);
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666a70' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.field textarea { resize: vertical; min-height: 120px; }
.field.error input,
.field.error select,
.field.error textarea { border-color: #e05555; }
.field-error-msg {
  font-size: 12px;
  color: #e05555;
  display: none;
}
.field.error .field-error-msg { display: block; }
.form-submit {
  margin-top: 8px;
}
.form-message {
  padding: 16px 20px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.6;
  display: none;
}
.form-message.success {
  background: rgba(50,200,100,0.08);
  border: 1px solid rgba(50,200,100,0.2);
  color: #27864a;
  display: block;
}
.form-message.error {
  background: rgba(224,85,85,0.08);
  border: 1px solid rgba(224,85,85,0.2);
  color: #c04040;
  display: block;
}

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 60px 28px;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 40px;
}
.footer-brand {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 6px;
}
.footer-statement {
  font-size: 13px;
  color: var(--muted-light);
  line-height: 1.6;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.footer-nav a {
  font-size: 13px;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--text); }
.footer-right {
  text-align: right;
}
.footer-copyright {
  font-size: 12px;
  color: var(--muted-light);
  margin-bottom: 8px;
}
.footer-linkedin a {
  font-size: 12px;
  color: var(--accent);
}

/* ─── SECTION SPACING VARIANTS ───────────────────────────────────────────── */
body.spacing-compact section { padding-top: 80px; padding-bottom: 80px; }
body.spacing-standard section { padding-top: 100px; padding-bottom: 100px; }
body.spacing-spacious section { padding-top: 120px; padding-bottom: 120px; }

/* ─── VISUAL STYLE VARIANTS ──────────────────────────────────────────────── */
body.style-dark {
  --bg: #0b0c0f;
  --bg-soft: #13151a;
  --text: #f0f0f0;
  --muted: #888e98;
  --line: rgba(255, 255, 255, 0.08);
}
body.style-minimal {
  --glass: rgba(255,255,255,0.4);
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  .hero-inner .cta-group { justify-content: center; }
  .hero-inner .hero-subtitle,
  .hero-inner .hero-microcopy { max-width: 100%; }
  .hero-visual { max-width: 620px; margin: 0 auto; }
  .symbios-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  .symbios-inner .cta-group { justify-content: center; }
  .symbios-inner.layout-centered-visual .symbios-visual { max-width: 100%; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-nav { align-items: center; flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .footer-right { text-align: center; }
  .tab-panel.active { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 640px) {
  section { padding: 80px 20px; }
  #hero { padding-top: 120px; padding-bottom: 80px; }
  .form-row { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr; }
  .principles-grid.layout-single-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-menu-btn { display: flex; }
}

/* ─── REDUCED MOTION ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}