/* ============================================
   YURIVA WEB TECHNOLOGIES — LANDING PAGE
   Static HTML5 + CSS3 + Vanilla JS
   ============================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --navy: #07111F;
  --navy-surface: #0D1B2A;
  --orange: #FF6B35;
  --blue: #0066FF;
  --white: #FFFFFF;
  --soft-bg: #F7F9FC;
  --dark-text: #0B1220;
  --muted: #5B6472;
  --border: #E5EAF0;

  /* Derived */
  --orange-soft: rgba(255, 107, 53, 0.12);
  --blue-soft: rgba(0, 102, 255, 0.10);
  --navy-2: #11233a;
  --navy-3: #16304d;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing (8px base) */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 4rem;
  --s-7: 6rem;

  /* Radius */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(11, 18, 32, 0.08);
  --shadow-md: 0 8px 28px rgba(11, 18, 32, 0.10);
  --shadow-lg: 0 20px 60px rgba(11, 18, 32, 0.16);
  --shadow-orange: 0 10px 30px rgba(255, 107, 53, 0.35);
  --shadow-blue: 0 10px 30px rgba(0, 102, 255, 0.30);

  /* Layout */
  --container: 1200px;
  --header-h: 72px;

  /* Transitions */
  --t-fast: 0.18s ease;
  --t: 0.3s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--dark-text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
svg { width: 100%; height: 100%; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--r-pill);
  padding: 0.75rem 1.5rem;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid transparent;
}
.btn:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: var(--shadow-orange);
}
.btn-primary:hover {
  background: #ff7d4d;
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(255, 107, 53, 0.45);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}
.btn-lg { padding: 0.95rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.55rem 1.15rem; font-size: 0.875rem; }

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1rem;
}
.eyebrow--orange { color: var(--orange); }

/* ---------- Section base ---------- */
.section { padding: var(--s-7) 0; }
.section-head {
  max-width: 720px;
  margin: 0 auto var(--s-5);
  text-align: center;
}
.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--dark-text);
}
.section-title--light { color: var(--white); }
.section-lead {
  margin-top: 1rem;
  font-size: 1.075rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ---------- Dot Pattern (Yuriva motif) ---------- */
.dot-pattern {
  position: absolute;
  background-image: radial-gradient(circle, rgba(0, 102, 255, 0.45) 1.5px, transparent 2px);
  background-size: 22px 22px;
  pointer-events: none;
}
.dot-pattern--hero {
  top: 0; right: -60px;
  width: 420px; height: 420px;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(circle at 70% 30%, black, transparent 70%);
  mask-image: radial-gradient(circle at 70% 30%, black, transparent 70%);
}
.dot-pattern--final {
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 300px;
  opacity: 0.35;
  -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 75%);
  mask-image: radial-gradient(ellipse at center, black, transparent 75%);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(7, 17, 31, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--t), border-color var(--t), box-shadow var(--t);
}
.site-header.scrolled {
  background: rgba(7, 17, 31, 0.92);
  border-bottom-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img {
  height: 55px;
  width: auto;
  opacity: 0.95;
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
  margin-right: 1.5rem;
}
.nav-desktop a {
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  transition: color var(--t-fast);
  position: relative;
}
.nav-desktop a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width var(--t-fast);
}
.nav-desktop a:hover { color: var(--white); }
.nav-desktop a:hover::after { width: 100%; }
.header-cta { margin-left: 0; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t-fast);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: var(--header-h); left: 0; right: 0;
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateY(-120%);
  transition: transform var(--t);
  z-index: 99;
  box-shadow: var(--shadow-lg);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.mobile-menu a {
  padding: 0.85rem 0.5rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-menu a:last-child {
  margin-top: 0.75rem;
  border-bottom: none;
  justify-content: center;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  background: var(--navy);
  padding: calc(var(--header-h) + 3rem) 0 var(--s-6);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}
.hero-glow--orange {
  width: 380px; height: 380px;
  background: var(--orange);
  top: -80px; left: -60px;
  opacity: 0.18;
}
.hero-glow--blue {
  width: 460px; height: 460px;
  background: var(--blue);
  bottom: -120px; right: -80px;
  opacity: 0.22;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}
.hero-title {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.accent-blue { color: #4d93ff; }
.hero-sub {
  font-size: 1.1rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
  max-width: 540px;
  margin-bottom: 2rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Hero visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.delivery-flow {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
}
.flow-node {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.85rem 0.5rem;
  border-radius: var(--r-md);
  min-height: 84px;
}
.flow-node--agency { background: rgba(0, 102, 255, 0.12); border: 1px solid rgba(0, 102, 255, 0.25); }
.flow-node--yuriva { background: rgba(255, 107, 53, 0.14); border: 1px solid rgba(255, 107, 53, 0.3); }
.flow-node--delivery { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.14); }
.flow-label { font-size: 0.92rem; font-weight: 700; color: var(--white); }
.flow-sub { font-size: 0.72rem; color: rgba(255, 255, 255, 0.55); margin-top: 0.2rem; }
.flow-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
}
.connector-line {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 107, 53, 0.4), rgba(0, 102, 255, 0.4));
  position: relative;
}
.connector-dot {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 8px var(--orange);
}

.browser-mockup {
  background: var(--white);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1rem;
  background: #eef2f7;
  border-bottom: 1px solid var(--border);
}
.browser-dot { width: 10px; height: 10px; border-radius: 50%; }
.browser-dot--r { background: #ff5f57; }
.browser-dot--y { background: #febc2e; }
.browser-dot--g { background: #28c840; }
.browser-url {
  margin-left: 0.75rem;
  font-size: 0.75rem;
  color: var(--muted);
  background: var(--white);
  padding: 0.3rem 0.8rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--border);
}
.browser-body { padding: 1.5rem; }
.mock-row { height: 12px; border-radius: 6px; background: #e8edf3; margin-bottom: 0.75rem; }
.mock-row--hero { height: 28px; width: 65%; background: linear-gradient(90deg, var(--blue), #4d93ff); margin-bottom: 1.25rem; }
.mock-row--text { width: 90%; }
.mock-row--text:nth-of-type(3) { width: 75%; }
.mock-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1.25rem 0;
}
.mock-card {
  height: 70px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, #f0f4f9, #e3e9f0);
  border: 1px solid var(--border);
}

.delivery-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
}
.dtag {
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.dtag--arrow { background: none; border: none; padding: 0 0.1rem; color: var(--orange); font-size: 1rem; }

/* ============================================
   TRUST STRIP
   ============================================ */
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1.75rem 0;
}
.trust-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dark-text);
}
.trust-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px var(--orange-soft);
}

/* ============================================
   PROBLEM
   ============================================ */
.problem { background: var(--soft-bg); }
.problem-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}
.pf-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.25rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  min-width: 150px;
  box-shadow: var(--shadow-sm);
}
.pf-num { font-size: 0.78rem; font-weight: 700; color: var(--muted); margin-bottom: 0.35rem; }
.pf-text { font-size: 0.95rem; font-weight: 600; color: var(--dark-text); }
.pf-step--warn { border-color: rgba(255, 107, 53, 0.3); background: rgba(255, 107, 53, 0.04); }
.pf-step--warn .pf-num { color: var(--orange); }
.pf-step--solve {
  border-color: rgba(0, 102, 255, 0.3);
  background: rgba(0, 102, 255, 0.05);
  box-shadow: var(--shadow-md);
}
.pf-step--solve .pf-num { color: var(--blue); }
.pf-step--solve .pf-text { color: var(--blue); }
.pf-arrow { color: var(--muted); font-size: 1.25rem; font-weight: 700; }
.pf-arrow--solve { color: var(--blue); }

/* ============================================
   POSITIONING
   ============================================ */
.positioning { background: var(--white); }
.pos-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: stretch;
  max-width: 960px;
  margin: 0 auto;
}
.pos-col {
  padding: 2.5rem 2rem;
  border-radius: var(--r-xl);
  text-align: center;
}
.pos-col--agency {
  background: var(--soft-bg);
  border: 1px solid var(--border);
}
.pos-col--yuriva {
  background: var(--navy);
  color: var(--white);
  border: 1px solid var(--navy-3);
  box-shadow: var(--shadow-lg);
}
.pos-col-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.pos-col--agency .pos-col-title { color: var(--dark-text); }
.pos-col--yuriva .pos-col-title { color: var(--orange); }
.pos-list { display: flex; flex-direction: column; gap: 0.85rem; }
.pos-list li {
  font-size: 1rem;
  font-weight: 500;
  padding: 0.65rem 1rem;
  border-radius: var(--r-sm);
}
.pos-col--agency .pos-list li {
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--dark-text);
}
.pos-col--yuriva .pos-list li {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
}
.pos-bridge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 60px;
}
.pos-bridge-line {
  width: 2px;
  flex: 1;
  background: linear-gradient(180deg, var(--orange), var(--blue));
  border-radius: 2px;
}
.pos-bridge-dots {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 1rem 0;
}
.pos-bridge-dots span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
  opacity: 0.7;
}
.pos-bridge-dots span:nth-child(even) { background: var(--blue); }

/* ============================================
   SERVICES
   ============================================ */
.services { background: var(--soft-bg); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem 1.75rem;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 102, 255, 0.25);
}
.service-icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  background: var(--blue-soft);
  color: var(--blue);
  margin-bottom: 1.25rem;
}
.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--dark-text);
}
.service-desc {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  flex: 1;
}
.service-tag {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--orange);
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.service-card--cta {
  background: var(--navy);
  border-color: var(--navy-3);
  justify-content: center;
  text-align: center;
  align-items: center;
}
.service-card--cta .service-title { color: var(--white); }
.service-card--cta .service-desc { color: rgba(255, 255, 255, 0.65); }
.service-card--cta:hover { border-color: var(--orange); }

/* ============================================
   ADVANTAGE
   ============================================ */
.advantage { background: var(--white); }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.adv-item {
  padding: 2rem 1.5rem;
  border-radius: var(--r-lg);
  background: var(--soft-bg);
  border: 1px solid var(--border);
  transition: transform var(--t), box-shadow var(--t);
}
.adv-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.adv-num {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: 0.05em;
  margin-bottom: 0.85rem;
}
.adv-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--dark-text);
}
.adv-desc { font-size: 0.92rem; color: var(--muted); }

/* ============================================
   OUR WORK
   ============================================ */
.our-work { background: var(--white); }
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.work-card {
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--white);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.work-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 102, 255, 0.2);
}
.work-preview {
  position: relative;
  padding: 2rem;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.work-preview--a { background: linear-gradient(135deg, #0d1b2a, #16304d); }
.work-preview--b { background: linear-gradient(135deg, #11233a, #1d3a5c); }
.work-preview--c { background: linear-gradient(135deg, #0d1b2a, #2a1f3d); }
.work-preview--d { background: linear-gradient(135deg, #07111f, #142a47); }
.work-badge {
  position: absolute;
  top: 1rem; left: 1rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
  background: rgba(255, 107, 53, 0.85);
  padding: 0.3rem 0.7rem;
  border-radius: var(--r-pill);
}
.work-mock {
  width: 100%;
  max-width: 360px;
  background: var(--white);
  border-radius: var(--r-md);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
}
.wm-bar { height: 8px; border-radius: 4px; background: #e8edf3; margin-bottom: 0.85rem; }
.wm-block { height: 48px; border-radius: var(--r-sm); background: linear-gradient(90deg, var(--blue), #4d93ff); margin-bottom: 0.85rem; }
.wm-block--lg { height: 60px; }
.wm-block--hero { height: 80px; background: linear-gradient(135deg, var(--orange), #ff8a5c); }
.wm-row { height: 8px; border-radius: 4px; background: #e8edf3; margin-bottom: 0.6rem; }
.wm-row--w70 { width: 70%; }
.wm-row--w60 { width: 60%; }
.wm-row--w40 { width: 40%; }
.wm-btn { height: 24px; width: 90px; border-radius: var(--r-pill); background: var(--orange); margin-top: 0.5rem; }
.wm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; margin: 0.75rem 0; }
.wm-grid > div { height: 40px; border-radius: var(--r-sm); background: #f0f4f9; border: 1px solid var(--border); }
.wm-grid--products { grid-template-columns: repeat(4, 1fr); }
.wm-grid--products > div { height: 50px; }
.wm-grid--dashboard { grid-template-columns: 80px 1fr; gap: 0.5rem; margin: 0; }
.wm-side { height: 100px; border-radius: var(--r-sm); background: #eef2f7; border: 1px solid var(--border); }
.wm-main { display: flex; flex-direction: column; gap: 0.5rem; }
.wm-main .wm-grid { margin: 0; }
.wm-main .wm-grid > div { height: 36px; }

.work-body { padding: 1.75rem; }
.work-type {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.6rem;
}
.work-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark-text);
}
.work-challenge, .work-delivered {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
  line-height: 1.6;
}
.work-challenge strong, .work-delivered strong {
  color: var(--dark-text);
  font-weight: 700;
}

/* ============================================
   PROCESS
   ============================================ */
.process { background: var(--soft-bg); }
.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}
.process-timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
  opacity: 0.3;
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.ps-num {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--border);
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 1.25rem;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
  box-shadow: var(--shadow-sm);
}
.process-step:hover .ps-num {
  transform: scale(1.08);
  border-color: var(--orange);
  box-shadow: var(--shadow-orange);
}
.ps-body { padding: 0 0.5rem; }
.ps-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--dark-text);
}
.ps-desc { font-size: 0.88rem; color: var(--muted); line-height: 1.55; }

/* ============================================
   WHITE-LABEL PROMISE
   ============================================ */
.promise {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.promise::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.15), transparent 70%);
  pointer-events: none;
}
.promise-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}
.promise-lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 1rem 0 2rem;
  max-width: 480px;
}
.promise-list { display: flex; flex-direction: column; gap: 1rem; }
.promise-list li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.88);
}
.promise-check {
  width: 22px; height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--orange-soft);
  border: 1.5px solid var(--orange);
  position: relative;
}
.promise-check::after {
  content: '';
  position: absolute;
  left: 6px; top: 3px;
  width: 5px; height: 9px;
  border: solid var(--orange);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.promise-visual { display: flex; justify-content: center; }
.promise-card {
  width: 100%;
  max-width: 380px;
  background: var(--navy-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}
.pc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
}
.pc-label { font-size: 0.82rem; color: rgba(255, 255, 255, 0.5); text-transform: uppercase; letter-spacing: 0.08em; }
.pc-value { font-size: 1.25rem; font-weight: 700; }
.pc-row--agency .pc-value { color: var(--orange); }
.pc-row--yuriva .pc-value { color: #4d93ff; }
.pc-divider { height: 1px; background: rgba(255, 255, 255, 0.08); }
.pc-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 1.75rem;
}
.pc-dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  opacity: 0.4;
}
.pc-dots span:nth-child(odd) { background: var(--orange); opacity: 0.6; }

/* ============================================
   WHY YURIVA
   ============================================ */
.why { background: var(--soft-bg); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.why-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem 1.75rem;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.why-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 107, 53, 0.25);
}
.why-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  background: var(--orange-soft);
  color: var(--orange);
  margin-bottom: 1.1rem;
}
.why-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--dark-text); }
.why-desc { font-size: 0.92rem; color: var(--muted); }

/* ============================================
   FOUNDER
   ============================================ */
.founder { background: var(--white); }
.founder-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}
.founder-photo-wrap {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
}
.founder-photo {
  width: 100%;
  height: auto;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
}
.founder-dots {
  position: absolute;
  bottom: -10px; right: -10px;
  width: 120px; height: 120px;
  background-image: radial-gradient(circle, var(--orange) 1.5px, transparent 2px);
  background-size: 16px 16px;
  opacity: 0.5;
  z-index: -1;
}
.founder-text { margin: 1.5rem 0 2rem; }
.founder-text p {
  font-size: 1.05rem;
  color: var(--dark-text);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.founder-text p:first-child { font-weight: 600; }

/* ============================================
   FINAL CTA
   ============================================ */
.final-cta {
  background: var(--navy);
  padding: var(--s-7) 0;
  position: relative;
  overflow: hidden;
}
.final-cta-inner { position: relative; z-index: 2; }
.final-cta-bg { position: absolute; inset: 0; pointer-events: none; }
.final-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}
.final-glow--orange {
  width: 300px; height: 300px;
  background: var(--orange);
  top: -60px; left: 10%;
  opacity: 0.12;
}
.final-glow--blue {
  width: 360px; height: 360px;
  background: var(--blue);
  bottom: -80px; right: 5%;
  opacity: 0.15;
}
.final-cta-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.final-cta-title {
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.final-cta-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2rem;
}
.final-cta-note {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   FAQ
   ============================================ */
.faq { background: var(--soft-bg); }
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--t), box-shadow var(--t);
}
.faq-item.open { border-color: rgba(0, 102, 255, 0.25); box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--dark-text);
  transition: color var(--t-fast);
}
.faq-q:hover { color: var(--blue); }
.faq-q:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
.faq-icon {
  position: relative;
  width: 18px; height: 18px;
  flex-shrink: 0;
  transition: transform var(--t);
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--orange);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}
.faq-icon::before { top: 8px; left: 0; width: 18px; height: 2px; }
.faq-icon::after { top: 0; left: 8px; width: 2px; height: 18px; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t);
}
.faq-a p {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--navy);
  padding: var(--s-6) 0 2rem;
  color: rgba(255, 255, 255, 0.6);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-logo {
  height: 34px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 1rem;
}
.footer-desc {
  font-size: 0.95rem;
  max-width: 320px;
  line-height: 1.6;
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-heading {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1rem;
}
.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--orange); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
}
.footer-copy { font-size: 0.88rem; }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { font-size: 0.88rem; color: rgba(255, 255, 255, 0.6); }
.footer-legal a:hover { color: var(--white); }

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .process-timeline { grid-template-columns: repeat(5, 1fr); gap: 0.5rem; }
  .ps-desc { font-size: 0.82rem; }
}

@media (max-width: 860px) {
  .nav-desktop, .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .pos-grid { grid-template-columns: 1fr; gap: 1rem; }
  .pos-bridge { flex-direction: row; width: 100%; height: 50px; }
  .pos-bridge-line { width: 100%; height: 2px; background: linear-gradient(90deg, var(--orange), var(--blue)); }
  .pos-bridge-dots { flex-direction: row; padding: 0 1rem; }
  .promise-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .promise-visual { order: -1; }
  .founder-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .founder-photo-wrap { max-width: 420px; margin: 0 auto; }
  .work-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 640px) {
  :root { --s-7: 4rem; }
  .section { padding: 4rem 0; }
  .hero { padding: calc(var(--header-h) + 2rem) 0 3rem; }
  .hero-title { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; }
  .delivery-flow { flex-direction: column; gap: 0.5rem; }
  .flow-connector { width: 100%; height: 22px; }
  .connector-line { width: 2px; height: 100%; background: linear-gradient(180deg, var(--orange), var(--blue)); }
  .services-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; gap: 1.5rem; }
  .process-timeline::before { display: none; }
  .process-step { flex-direction: row; align-items: flex-start; text-align: left; gap: 1rem; }
  .ps-num { margin-bottom: 0; width: 48px; height: 48px; font-size: 0.9rem; }
  .ps-body { padding: 0.4rem 0; }
  .trust-inner { gap: 1.25rem; }
  .trust-item { font-size: 0.85rem; }
  .problem-flow { flex-direction: column; }
  .pf-arrow { transform: rotate(90deg); }
  .pf-step { width: 100%; }
  .footer-nav { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .delivery-tags { gap: 0.35rem; }
  .dtag { font-size: 0.72rem; padding: 0.35rem 0.7rem; }
}

@media (max-width: 390px) {
  .container { padding: 0 1.25rem; }
  .hero-title { font-size: 1.75rem; }
  .section-title { font-size: 1.5rem; }
  .final-cta-title { font-size: 1.5rem; }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

.project-preview {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: top;
    border-radius: 0 0 8px 8px;
}