/* ════════════════════════════════════════════════════
   ACCURACY CONSULTING GROUP — Premium Design System
   Deep Navy · Electric Blue · Cyan Gradient
   ════════════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
  /* Dark mode defaults */
  --bg: #070c1e;
  --bg-alt: #0c1228;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --ink: #e8eaf5;
  --muted: #7a8299;
  --accent: #4d94ff;
  --accent-end: #06b6d4;
  --accent-hover: #06b6d4;
  --accent-subtle: rgba(77, 148, 255, 0.08);
  --accent-glow: rgba(77, 148, 255, 0.22);
  --line: rgba(255, 255, 255, 0.08);
  --line-accent: rgba(77, 148, 255, 0.2);
  --header-bg: rgba(7, 12, 30, 0.82);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 999px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 150ms var(--ease);
  --transition-base: 300ms var(--ease);
  --transition-slow: 500ms var(--ease);
  --font-body: "Manrope", system-ui, -apple-system, sans-serif;
  --font-heading: "Fraunces", Georgia, serif;
  --grad: linear-gradient(135deg, #2563eb, #06b6d4);
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { background: var(--bg); }

body {
  font-family: var(--font-body);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 400ms var(--ease), color 400ms var(--ease);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-hover); }
::selection { background: rgba(77, 148, 255, 0.25); color: var(--ink); }

/* ─── Background Orbs ─── */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
}
.orb-1 {
  width: 75vmax; height: 75vmax;
  top: -20%; left: -15%;
  background: radial-gradient(circle at center, rgba(37, 99, 235, 0.6), transparent 65%);
  opacity: 0.18;
  animation: orb1 30s ease-in-out infinite alternate;
}
.orb-2 {
  width: 60vmax; height: 60vmax;
  bottom: -12%; right: -10%;
  background: radial-gradient(circle at center, rgba(6, 182, 212, 0.55), transparent 65%);
  opacity: 0.15;
  animation: orb2 38s ease-in-out infinite alternate;
}
.orb-3 {
  width: 45vmax; height: 45vmax;
  top: 38%; left: 38%;
  background: radial-gradient(circle at center, rgba(77, 148, 255, 0.5), transparent 65%);
  opacity: 0.10;
  animation: orb3 24s ease-in-out infinite alternate;
}
.orb-4 {
  width: 38vmax; height: 38vmax;
  bottom: 10%; left: 5%;
  background: radial-gradient(circle at center, rgba(37, 99, 235, 0.55), transparent 65%);
  opacity: 0.12;
  animation: orb4 44s ease-in-out infinite alternate;
}

/* ─── Cursor Glow ─── */
.cursor-glow {
  position: fixed;
  width: 360px; height: 360px;
  margin-left: -180px; margin-top: -180px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(circle at center, rgba(77, 148, 255, 0.09), transparent 70%);
  transition: left 80ms linear, top 80ms linear;
  will-change: left, top;
}

/* ─── Grain Texture ─── */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 900;
  opacity: 0.025;
  mix-blend-mode: overlay;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(77, 148, 255, 0.25); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(77, 148, 255, 0.45); }
html { scrollbar-color: rgba(77, 148, 255, 0.25) var(--bg); scrollbar-width: thin; }

/* ─── Scroll Progress ─── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  z-index: 999;
  background: var(--grad);
}

/* ─── Container ─── */
.container {
  width: min(1200px, 90vw);
  margin: 0 auto;
}

/* ─── Header & Navigation ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}
.site-header.is-scrolled {
  background: rgba(7, 12, 30, 0.96);
  border-bottom-color: var(--line-accent);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand { text-decoration: none; color: inherit; display: flex; align-items: center; gap: 0.7rem; transition: opacity var(--transition-fast); }
.brand:hover { opacity: 0.85; }
.brand-image { width: 100px; height: auto; }

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
  gap: 5px; flex-direction: column;
  transition: border-color var(--transition-fast);
}
.nav-toggle:hover { border-color: var(--accent); }
.nav-toggle span { width: 18px; height: 2px; border-radius: 999px; background: var(--ink); }

.nav-links { display: flex; align-items: center; gap: 0.25rem; list-style: none; }
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-links a:hover { color: var(--ink); background: var(--surface); }

.quick-controls { display: flex; align-items: center; gap: 0.4rem; }

.control-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  min-width: 58px;
  text-align: center;
  transition: all var(--transition-fast);
}
.control-btn:hover { border-color: var(--accent); color: var(--ink); }
.control-btn[aria-pressed="true"] {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  font-weight: 800;
}

/* ─── Hero ─── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 6rem 0 4rem;
}

/* Full-bleed hero: override container width so the bg spans edge-to-edge */
.hero.container {
  width: 100%;
  max-width: 100%;
  padding-left:  max(1rem, calc((100vw - 1200px) / 2));
  padding-right: max(1rem, calc((100vw - 1200px) / 2));
  padding-top: 6rem;
  padding-bottom: 4rem;
}

/* Animated gradient mesh background */
.hero::before {
  content: "";
  position: absolute;
  inset: -40%;
  width: 180%; height: 180%;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(37, 99, 235, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 60%, rgba(6, 182, 212, 0.09)  0%, transparent 55%),
    radial-gradient(ellipse at 50% 90%, rgba(77, 148, 255, 0.07) 0%, transparent 45%);
  animation: meshFloat 22s ease-in-out infinite alternate;
  pointer-events: none;
}

/* Soft fade into next section */
.hero::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}

.hero-card {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3.5vw, 3rem);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* top accent line on hero card */
.hero-card::before {
  content: "";
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: 999px;
}

.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--accent); }

h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.05;
  max-width: 18ch;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--ink) 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p { color: var(--muted); max-width: 52ch; margin-bottom: 1.5rem; font-size: 1.02rem; }

.cta-group { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.75rem; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.stat-card {
  background: rgba(77, 148, 255, 0.05);
  border: 1px solid var(--line-accent);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  text-align: center;
  transition: border-color var(--transition-base), background var(--transition-base);
}
.stat-card:hover { background: rgba(77, 148, 255, 0.09); }

.stat-card strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.3rem;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-panel {
  background: rgba(77, 148, 255, 0.05);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--line-accent);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  align-self: center;
  position: relative;
  overflow: hidden;
}
.hero-panel::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
}

.hero-panel h2 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 0.85rem;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-panel ul { list-style: none; display: grid; gap: 0.65rem; }
.hero-panel li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}
.hero-panel li::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  left: 0; top: 0.6rem;
  box-shadow: 0 0 6px var(--accent-glow);
}

/* ─── Buttons ─── */
.btn {
  text-decoration: none;
  border: 0;
  cursor: pointer;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  letter-spacing: 0.01em;
  transition: transform var(--transition-fast), box-shadow var(--transition-base), filter var(--transition-fast);
  will-change: transform;
}

.btn-primary {
  color: #fff;
  background: var(--grad);
  box-shadow: 0 4px 20px rgba(77, 148, 255, 0.3);
  font-weight: 800;
}
.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(77, 148, 255, 0.45);
  filter: brightness(1.1);
  color: #fff;
}

.btn-secondary {
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--line-accent);
}
.btn-secondary:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--accent-hover);
}

/* ─── Sections ─── */
section { padding: 3.5rem 0; scroll-margin-top: 90px; }

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
  background: linear-gradient(90deg, var(--ink) 0%, var(--accent) 40%, var(--accent-hover) 58%, var(--ink) 100%);
  background-size: 250%;
  background-position: 0%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleGrad 8s ease-in-out infinite;
}

.section-sub { color: var(--muted); margin-bottom: 2rem; max-width: 60ch; font-size: 1.02rem; }

/* ─── Service Tabs ─── */
.tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }

.tab-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: var(--radius-full);
  padding: 0.55rem 1.1rem;
  font-weight: 700; font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.01em;
}
.tab-btn:hover { color: var(--ink); border-color: var(--line-accent); }
.tab-btn.is-active {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  font-weight: 800;
  box-shadow: 0 4px 16px rgba(77, 148, 255, 0.3);
}

.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadeUp 400ms var(--ease-out); }

/* ─── Cards ─── */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  counter-reset: service-card;
}

.card, .tool-card {
  background:
    radial-gradient(circle 260px at var(--mx, -200px) var(--my, -200px), rgba(77, 148, 255, 0.11), transparent),
    var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform 400ms var(--ease);
  position: relative;
  overflow: hidden;
  will-change: transform;
  counter-increment: service-card;
}

/* Top gradient shimmer on hover */
.card::before, .tool-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity var(--transition-base);
}

/* Subtle numbered badge */
.card::after {
  content: "0" counter(service-card);
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent);
  opacity: 0.35;
}

.card:hover, .tool-card:hover {
  border-color: var(--line-accent);
  box-shadow: var(--shadow-md), 0 0 40px rgba(77, 148, 255, 0.08);
}
.card:hover::before, .tool-card:hover::before { opacity: 1; }

.card h3, .tool-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.card p, .tool-card p { color: var(--muted); font-size: 0.92rem; line-height: 1.6; }

/* ─── Solutions / Tools ─── */
.solution-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 1rem; }

.range-wrap { display: grid; gap: 0.4rem; margin-top: 1rem; }
.range-wrap > span { font-weight: 700; font-size: 0.9rem; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%; height: 6px;
  background: var(--line);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--grad);
  border: 2px solid var(--bg);
  box-shadow: 0 2px 8px rgba(77, 148, 255, 0.3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 16px rgba(77, 148, 255, 0.5);
}
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--grad);
  border: 2px solid var(--bg);
  box-shadow: 0 2px 8px rgba(77, 148, 255, 0.3);
}
input[type="range"]::-moz-range-track {
  height: 6px;
  background: var(--line);
  border-radius: 999px;
  border: none;
}

.estimate-result {
  margin-top: 1rem;
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--accent-subtle);
  border: 1px solid var(--line-accent);
}
.estimate-result p { margin-bottom: 0.4rem; font-size: 0.92rem; }
.estimate-result p:last-child { margin-bottom: 0; }

/* Numbered timeline */
.timeline {
  list-style: none;
  padding-left: 0;
  margin-top: 1rem;
  display: grid;
  gap: 0;
  counter-reset: step;
}
.timeline li {
  counter-increment: step;
  position: relative;
  padding: 0.75rem 0.75rem 0.75rem 3rem;
  border-left: 2px solid var(--line-accent);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.5;
  transition: color var(--transition-fast);
}
.timeline li:hover { color: var(--ink); }
.timeline li::before {
  content: counter(step);
  position: absolute;
  left: -14px;
  top: 0.85rem;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(77, 148, 255, 0.3);
}
.timeline li:last-child { border-left-color: transparent; }

/* ─── Resources ─── */
.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }

.chip {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: var(--radius-full);
  padding: 0.45rem 0.9rem;
  font-weight: 700; font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.chip:hover { color: var(--ink); border-color: var(--line-accent); }
.chip.is-active {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  font-weight: 800;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.resource-card {
  background:
    radial-gradient(circle 260px at var(--mx, -200px) var(--my, -200px), rgba(77, 148, 255, 0.11), transparent),
    var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  padding-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform 400ms var(--ease);
  will-change: transform;
}
.resource-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity var(--transition-base);
}
/* Animated arrow indicator */
.resource-card::after {
  content: "→";
  position: absolute;
  bottom: 1rem; right: 1.25rem;
  color: var(--accent);
  font-size: 1rem;
  opacity: 0.45;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.resource-card:hover {
  border-color: var(--line-accent);
  box-shadow: var(--shadow-md), 0 0 40px rgba(77, 148, 255, 0.08);
}
.resource-card:hover::before { opacity: 1; }
.resource-card:hover::after { transform: translateX(4px); opacity: 1; }

.resource-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.resource-card p { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }
.resource-card.is-hidden { display: none; }

/* ─── Reviews ─── */
.reviews-wrap {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 1rem;
}

.featured-reviews { margin-top: 0.25rem; }
.featured-reviews h3 {
  margin-bottom: 0.75rem;
  font-family: var(--font-heading);
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.featured-reviews-carousel { width: 100%; }
.review-carousel { display: grid; gap: 0.75rem; }
.review-viewport { position: relative; min-height: 180px; }

.review-slide {
  display: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  background: var(--bg-alt);
  animation: fadeUp 400ms var(--ease-out);
}
.review-slide.is-active { display: block; }

.review-header {
  display: flex; align-items: center;
  justify-content: space-between;
  gap: 0.6rem; margin-bottom: 0.65rem;
}

.review-avatar {
  width: 42px; height: 42px;
  border-radius: 50%; flex: 0 0 42px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.95rem; color: #fff;
}
.review-avatar-fallback { background: var(--avatar-bg); }
.review-avatar-image { object-fit: cover; border: 1px solid var(--line); }

.review-meta { flex: 1; display: grid; gap: 0.15rem; color: var(--muted); font-size: 0.86rem; }
.review-author { color: var(--ink); font-weight: 700; line-height: 1.2; }
.review-stars { color: var(--accent); letter-spacing: 0.04em; }
.review-age { color: var(--muted); font-size: 0.8rem; white-space: nowrap; }
.review-slide p { color: var(--muted); margin-bottom: 0.55rem; font-style: italic; line-height: 1.6; }
.review-slide footer { text-align: left; color: var(--muted); font-size: 0.8rem; padding: 0; opacity: 0.6; }

.review-controls {
  display: flex; align-items: center;
  justify-content: space-between; gap: 0.6rem;
}
.review-nav {
  border: 1px solid var(--line);
  background: var(--surface); color: var(--muted);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.9rem;
  font-weight: 700; font-size: 0.82rem;
  cursor: pointer; transition: all var(--transition-fast);
}
.review-nav:hover { border-color: var(--accent); color: var(--ink); }

.review-dots { display: flex; align-items: center; gap: 0.4rem; }
.review-dot {
  width: 8px; height: 8px;
  border-radius: 50%; border: 0;
  background: var(--line); cursor: pointer;
  transition: all var(--transition-fast);
}
.review-dot.is-active {
  background: var(--accent);
  box-shadow: 0 0 6px rgba(77, 148, 255, 0.5);
  transform: scale(1.3);
}
.review-empty { color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius-md); padding: 1rem; }

.reviews-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }
.reviews-actions .btn { flex: 1 1 240px; }

/* ─── FAQ ─── */
.faq-list { display: grid; gap: 0.6rem; }

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: border-color var(--transition-base);
}
.faq-item:hover { border-color: var(--line-accent); }
.faq-item.is-open { border-color: var(--accent); }

.faq-question {
  width: 100%; border: 0;
  background: transparent; color: var(--ink);
  text-align: left; font-weight: 700; font-size: 0.95rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--accent); }
.faq-question::after {
  content: "+";
  font-size: 1.2rem; font-weight: 400;
  color: var(--accent); flex-shrink: 0;
  transition: transform 300ms var(--ease);
}
.faq-item.is-open .faq-question::after { transform: rotate(45deg); }

.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 350ms var(--ease); }
.faq-answer p { overflow: hidden; color: var(--muted); padding: 0 1.25rem; font-size: 0.92rem; line-height: 1.65; }
.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }
.faq-item.is-open .faq-answer p { padding-bottom: 1.15rem; }

/* ─── Contact ─── */
#contact { position: relative; }
#contact::before {
  content: "";
  position: absolute; top: 0;
  left: 50%; transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.contact {
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line-accent);
  box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
}

.contact .section-title { color: var(--ink); }
.contact p { color: var(--muted); }

.lead-form {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin: 1.25rem 0;
}
.lead-form label {
  display: grid; gap: 0.3rem;
  font-size: 0.78rem; font-weight: 700;
  color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.lead-form input, .lead-form select {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  background: var(--bg-alt); color: var(--ink);
  font-family: var(--font-body); font-size: 0.92rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.lead-form input:focus, .lead-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}
.lead-form option { color: #111; background: #fff; }
.lead-form button { align-self: end; }

.form-message {
  margin-top: 0.5rem; min-height: 1.3em;
  font-weight: 700; font-size: 0.88rem; color: var(--accent);
}

.contact-grid {
  margin-top: 1.25rem; list-style: none;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem;
}
.contact-grid li {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: border-color var(--transition-fast);
}
.contact-grid li:hover { border-color: var(--line-accent); }
.contact-grid li strong {
  display: block;
  color: var(--accent);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}
.contact-grid a { color: var(--ink); text-decoration: none; font-weight: 600; }
.contact-grid a:hover { color: var(--accent); }

/* ─── Footer ─── */
footer {
  color: var(--muted); text-align: center;
  font-size: 0.85rem;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
}

/* ─── Back to Top ─── */
#back-to-top {
  position: fixed; right: 20px; bottom: 20px;
  width: 44px; height: 44px;
  border: 1px solid var(--line-accent);
  border-radius: 50%;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--accent);
  font-weight: 800; font-size: 1.1rem;
  cursor: pointer;
  opacity: 0; pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base), background var(--transition-fast), color var(--transition-fast);
}
#back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
#back-to-top:hover { background: var(--grad); color: #fff; border-color: transparent; }

/* ─── Scroll Reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(56px) scale(0.95);
  transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: translateY(0) scale(1); }

/* ─── Keyframes ─── */
@keyframes meshFloat {
  0%   { transform: translate(0%, 0%)   rotate(0deg)    scale(1);    }
  25%  { transform: translate(5%, -5%)  rotate(2.5deg)  scale(1.06); }
  50%  { transform: translate(-3%, 7%)  rotate(-2deg)   scale(0.94); }
  75%  { transform: translate(6%, 3%)   rotate(1deg)    scale(1.04); }
  100% { transform: translate(-4%, -3%) rotate(-1.5deg) scale(0.98); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes orb1 {
  from { transform: translate(0, 0)     scale(1);    }
  to   { transform: translate(14%, 20%) scale(1.18); }
}
@keyframes orb2 {
  from { transform: translate(0, 0)      scale(1);    }
  to   { transform: translate(-20%, -16%) scale(0.86); }
}
@keyframes orb3 {
  from { transform: translate(0, 0)     scale(1);    }
  to   { transform: translate(14%, -24%) scale(1.14); }
}
@keyframes orb4 {
  from { transform: translate(0, 0)      scale(1);    }
  to   { transform: translate(-10%, -20%) scale(1.22); }
}
@keyframes titleGrad {
  0%   { background-position: 0%;   }
  50%  { background-position: 100%; }
  100% { background-position: 0%;   }
}
@keyframes statPulse {
  0%, 100% { border-color: var(--line-accent); box-shadow: none; }
  50%       { border-color: rgba(77, 148, 255, 0.55); box-shadow: 0 0 28px rgba(77, 148, 255, 0.16); }
}
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 10px rgba(77, 148, 255, 0.3); }
  50%       { box-shadow: 0 0 24px rgba(77, 148, 255, 0.75), 0 0 48px rgba(77, 148, 255, 0.2); }
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(45px); }
  to   { opacity: 1; transform: translateY(0);    }
}
@keyframes panelIn {
  from { opacity: 0; transform: translateX(40px) scale(0.96); }
  to   { opacity: 1; transform: translateX(0)    scale(1);    }
}
@keyframes eyebrowIn {
  from { opacity: 0; transform: translateX(-20px); letter-spacing: 0.3em; }
  to   { opacity: 1; transform: translateX(0);     letter-spacing: 0.14em; }
}

/* ─── Hero Entrance Animations ─── */
.hero-card > div:first-child {
  animation: heroIn 1s var(--ease-out) 0.1s both;
}
.hero-panel {
  animation: panelIn 1s var(--ease-out) 0.38s both;
}
.eyebrow {
  animation: eyebrowIn 0.8s var(--ease-out) 0.05s both;
}

/* ─── Stat Card Breathing Glow ─── */
.stat-card:nth-child(1) { animation: statPulse 4.2s ease-in-out infinite; }
.stat-card:nth-child(2) { animation: statPulse 4.2s ease-in-out 1.4s infinite; }
.stat-card:nth-child(3) { animation: statPulse 4.2s ease-in-out 2.8s infinite; }

/* ─── Timeline Dot Pulse ─── */
.timeline li::before { animation: dotPulse 3s ease-in-out infinite; }
.timeline li:nth-child(2)::before { animation-delay: 0.75s; }
.timeline li:nth-child(3)::before { animation-delay: 1.5s; }
.timeline li:nth-child(4)::before { animation-delay: 2.25s; }

/* ─── Light Mode ─── */
body:not(.night-mode) {
  --bg: #f0f5ff;
  --bg-alt: #e4eeff;
  --surface: rgba(255, 255, 255, 0.85);
  --surface-hover: #ffffff;
  --ink: #0a1020;
  --muted: #475577;
  --accent: #1d4ed8;
  --accent-end: #0284c7;
  --accent-hover: #0284c7;
  --accent-subtle: rgba(29, 78, 216, 0.07);
  --accent-glow: rgba(29, 78, 216, 0.15);
  --line: rgba(0, 0, 0, 0.08);
  --line-accent: rgba(29, 78, 216, 0.18);
  --header-bg: rgba(240, 245, 255, 0.85);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.09);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.11);
  --grad: linear-gradient(135deg, #1d4ed8, #0284c7);
  background: #f0f5ff; color: #0a1020;
}
html:not(.night-mode) { background: #f0f5ff; }

body:not(.night-mode) h1 {
  background: linear-gradient(135deg, #0a1020 40%, #1d4ed8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body:not(.night-mode) .hero::before {
  background:
    radial-gradient(ellipse at 20% 30%, rgba(29, 78, 216, 0.08)  0%, transparent 55%),
    radial-gradient(ellipse at 80% 60%, rgba(2, 132, 199, 0.06)  0%, transparent 55%),
    radial-gradient(ellipse at 50% 90%, rgba(29, 78, 216, 0.04)  0%, transparent 45%);
}
body:not(.night-mode) .hero::after { background: linear-gradient(to top, #f0f5ff, transparent); }

body:not(.night-mode) .hero-card { background: rgba(255, 255, 255, 0.65); }
body:not(.night-mode) .hero-panel { background: rgba(255, 255, 255, 0.8); }

body:not(.night-mode) .stat-card { background: rgba(29, 78, 216, 0.05); }
body:not(.night-mode) .stat-card:hover { background: rgba(29, 78, 216, 0.09); }
body:not(.night-mode) .stat-card strong {
  background: linear-gradient(135deg, #1d4ed8, #0284c7);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

body:not(.night-mode) .review-slide { background: #ffffff; }
body:not(.night-mode) .contact-grid li { background: #ffffff; }

body:not(.night-mode) .lead-form input,
body:not(.night-mode) .lead-form select { background: #ffffff; border-color: rgba(0, 0, 0, 0.12); }

body:not(.night-mode) .site-header.is-scrolled { background: rgba(240, 245, 255, 0.97); }
body:not(.night-mode) .grain { opacity: 0.012; }

body:not(.night-mode) .orb-1 { opacity: 0.06; }
body:not(.night-mode) .orb-2 { opacity: 0.05; }
body:not(.night-mode) .orb-3 { opacity: 0.04; }
body:not(.night-mode) .orb-4 { opacity: 0.04; }
body:not(.night-mode) .cursor-glow {
  background: radial-gradient(circle at center, rgba(29, 78, 216, 0.07), transparent 70%);
}
body:not(.night-mode) .card,
body:not(.night-mode) .tool-card {
  background:
    radial-gradient(circle 260px at var(--mx, -200px) var(--my, -200px), rgba(29, 78, 216, 0.07), transparent),
    var(--surface);
}
body:not(.night-mode) .resource-card {
  background:
    radial-gradient(circle 260px at var(--mx, -200px) var(--my, -200px), rgba(29, 78, 216, 0.07), transparent),
    var(--surface);
}

/* ─── Responsive ─── */
@media (min-width: 1440px) {
  .container { width: min(1360px, 90vw); }
  .hero.container { padding-left: max(1rem, calc((100vw - 1360px) / 2)); padding-right: max(1rem, calc((100vw - 1360px) / 2)); }
}

@media (max-width: 980px) {
  .hero-card, .solution-grid, .cards, .contact-grid { grid-template-columns: 1fr 1fr; }
  .resource-grid { grid-template-columns: 1fr 1fr; }
  .lead-form { grid-template-columns: 1fr 1fr; }
  section { padding: 3rem 0; }
  .review-viewport { min-height: 200px; }
}

@media (max-width: 860px) {
  .nav { min-height: 64px; }
  .brand-image { width: 88px; }
  .nav-right { position: relative; margin-left: auto; gap: 0.5rem; flex-wrap: nowrap; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute; top: calc(100% + 0.5rem); right: 0;
    min-width: 200px; padding: 0.5rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--bg-alt);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    flex-direction: column; align-items: stretch; gap: 0.1rem; z-index: 40;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; width: 100%; padding: 0.55rem 0.75rem; border-radius: var(--radius-sm); }
  .nav-links a:hover { background: var(--surface); }
  .quick-controls { gap: 0.3rem; }
}

@media (max-width: 720px) {
  .hero.container { padding-top: 3rem; padding-bottom: 2.5rem; }
  .hero-card, .solution-grid, .resource-grid, .cards, .contact-grid, .lead-form { grid-template-columns: 1fr; }
  /* Stats always 3-col on mobile */
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
  .stat-card strong { font-size: 1.4rem; }
  .reviews-actions { flex-direction: column; }
  .reviews-actions .btn { flex: 1; }
  .review-viewport { min-height: 240px; }
  .review-controls { gap: 0.4rem; }
  .review-nav { padding: 0.35rem 0.65rem; font-size: 0.78rem; }
  .section-title { font-size: clamp(1.4rem, 5vw, 1.8rem); }
}

@media (max-width: 480px) {
  .hero.container { padding-left: 1rem; padding-right: 1rem; }
  .container { width: 94vw; }
  .stat-card { padding: 0.6rem 0.4rem; }
  .stat-card span { font-size: 0.6rem; }
}

/* ─── Reduced Motion ─── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .orb { animation: none !important; }
  .cursor-glow { display: none; }
  .section-title { animation: none !important; background-position: 0% !important; }
  .stat-card { animation: none !important; }
  .timeline li::before { animation: none !important; }
  .hero-card > div:first-child,
  .hero-panel,
  .eyebrow { animation: none !important; opacity: 1 !important; transform: none !important; }
}