/* ============================================================
   OpsPilot AI — premium automation agency V1
   Dark modern operational aesthetic · calm, high-end, conversion-led
   ============================================================ */

:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.975rem);
  --text-base: clamp(1rem, 0.96rem + 0.25vw, 1.08rem);
  --text-lg: clamp(1.125rem, 1rem + 0.55vw, 1.35rem);
  --text-xl: clamp(1.55rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2.15rem, 1.35rem + 2.8vw, 3.85rem);
  --text-3xl: clamp(2.8rem, 1.3rem + 5vw, 5.8rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --radius-sm: 0.4rem;
  --radius-md: 0.7rem;
  --radius-lg: 1rem;
  --radius-xl: 1.45rem;
  --radius-full: 9999px;

  --content-default: 1080px;
  --content-wide: 1200px;
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --font-display: 'Cabinet Grotesk', 'Satoshi', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Segoe UI', sans-serif;
}

:root,
[data-theme='dark'] {
  --color-bg: #080c10;
  --color-bg-2: #0b1116;
  --color-surface: #10171d;
  --color-surface-2: #151e25;
  --color-surface-3: #1b2730;
  --color-glass: rgba(18, 27, 34, 0.72);
  --color-border: rgba(157, 180, 195, 0.15);
  --color-border-strong: rgba(166, 190, 207, 0.28);
  --color-text: #f2f4f7;
  --color-text-muted: #a9b4be;
  --color-text-faint: #74808a;
  --color-primary: #8fb4e8;
  --color-primary-hover: #b4cff5;
  --color-primary-soft: rgba(143, 180, 232, 0.13);
  --color-primary-line: rgba(143, 180, 232, 0.35);
  --color-cyan: #42d6c9;
  --color-cyan-soft: rgba(66, 214, 201, 0.1);
  --color-on-primary: #07111a;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 16px 44px rgba(0,0,0,0.38);
  --shadow-lg: 0 28px 90px rgba(0,0,0,0.52);
}

[data-theme='light'] {
  --color-bg: #f1f3f6;
  --color-bg-2: #e9edf2;
  --color-surface: #ffffff;
  --color-surface-2: #f7f9fb;
  --color-surface-3: #eef3f8;
  --color-glass: rgba(255, 255, 255, 0.78);
  --color-border: rgba(24, 36, 48, 0.12);
  --color-border-strong: rgba(24, 36, 48, 0.22);
  --color-text: #111a22;
  --color-text-muted: #50606c;
  --color-text-faint: #7c8892;
  --color-primary: #537fb9;
  --color-primary-hover: #315f9f;
  --color-primary-soft: rgba(83, 127, 185, 0.12);
  --color-primary-line: rgba(83, 127, 185, 0.28);
  --color-cyan: #087f78;
  --color-cyan-soft: rgba(8, 127, 120, 0.09);
  --color-on-primary: #ffffff;
  --shadow-sm: 0 1px 2px rgba(24,36,48,0.08);
  --shadow-md: 0 16px 44px rgba(24,36,48,0.12);
  --shadow-lg: 0 28px 90px rgba(24,36,48,0.16);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background:
    radial-gradient(90% 70% at 80% -20%, var(--color-primary-soft), transparent 58%),
    linear-gradient(180deg, var(--color-bg-2), var(--color-bg) 36rem);
  -webkit-tap-highlight-color: transparent;
}

img, svg, video, canvas { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 800; line-height: 1.05; text-wrap: balance; }
p { text-wrap: pretty; }

a, button, input, textarea, summary {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

::selection { background: var(--color-primary-soft); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

@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;
  }
}

.skip-link {
  position: absolute; left: var(--space-4); top: -3rem; z-index: 200;
  background: var(--color-primary); color: var(--color-on-primary);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-sm); font-weight: 700;
}
.skip-link:focus { top: var(--space-4); }

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}

.section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }
.section-compact { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }
.section-alt {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface) 82%, transparent), color-mix(in srgb, var(--color-bg) 88%, transparent));
  border-block: 1px solid var(--color-border);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  color: var(--color-primary); font-size: var(--text-xs); font-weight: 800;
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--space-4);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-cyan); box-shadow: 0 0 0 5px var(--color-cyan-soft); }
.section-head { max-width: 760px; }
.section-title { font-size: var(--text-xl); max-width: 23ch; letter-spacing: -0.02em; }
.section-intro { margin-top: var(--space-5); max-width: 66ch; color: var(--color-text-muted); font-size: var(--text-lg); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 46px; padding: 0.82rem 1.35rem; border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 800; letter-spacing: 0.005em;
  border: 1px solid transparent; white-space: nowrap;
}
.btn-sm { min-height: 40px; padding: 0.58rem 1rem; }
.btn-block { display: flex; width: 100%; }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: 0 12px 28px var(--color-primary-soft); }
.btn-ghost { background: rgba(255,255,255,0.02); color: var(--color-text); border-color: var(--color-border-strong); }
.btn-ghost:hover { color: var(--color-primary-hover); border-color: var(--color-primary-line); transform: translateY(-1px); }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 76%, transparent);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand-logo { width: 174px; height: auto; object-fit: contain; filter: drop-shadow(0 10px 22px rgba(0,0,0,0.24)); }
.site-nav { display: flex; align-items: center; gap: var(--space-6); }
.site-nav a { color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 600; }
.site-nav a:hover { color: var(--color-text); }
.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.theme-toggle {
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); border: 1px solid var(--color-border); color: var(--color-text-muted);
  background: rgba(255,255,255,0.02);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary-line); }

.hero {
  position: relative; overflow: hidden;
  min-height: calc(100vh - 70px);
  display: flex; align-items: center;
  padding-block: clamp(var(--space-16), 7vw, var(--space-24));
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.36;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 70px 70px;
  -webkit-mask-image: radial-gradient(80% 58% at 50% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(80% 58% at 50% 0%, #000 0%, transparent 76%);
}
.hero-grid {
  position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.82fr);
  align-items: center; gap: clamp(var(--space-10), 7vw, var(--space-24));
}
.hero-copy h1 { font-size: var(--text-3xl); letter-spacing: -0.055em; max-width: 11.5ch; }
.hero .lead { margin-top: var(--space-6); max-width: 62ch; color: var(--color-text-muted); font-size: var(--text-lg); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.hero-meta { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5); margin-top: var(--space-8); }
.hero-meta li {
  position: relative; color: var(--color-text-faint); font-size: var(--text-sm); padding-left: var(--space-5);
}
.hero-meta li::before {
  content: ""; position: absolute; left: 0; top: 0.55em; width: 8px; height: 8px;
  border-radius: 50%; border: 2px solid var(--color-cyan);
}

.hero-panel {
  position: relative; overflow: hidden; padding: var(--space-6);
  background: linear-gradient(145deg, var(--color-glass), color-mix(in srgb, var(--color-surface-2) 86%, transparent));
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.hero-panel::after {
  content: ""; position: absolute; inset: auto -20% -35% 20%; height: 260px;
  background: radial-gradient(circle, var(--color-primary-soft), transparent 62%);
  pointer-events: none;
}
.panel-brand { position: relative; z-index: 1; display: grid; grid-template-columns: 72px 1fr; gap: var(--space-5); align-items: center; }
.panel-brand img { border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.panel-kicker { color: var(--color-primary); font-size: var(--text-xs); font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.panel-brand h2 { margin-top: var(--space-2); font-size: var(--text-lg); line-height: 1.15; }
.ops-stack { position: relative; z-index: 1; margin-top: var(--space-8); display: grid; gap: var(--space-2); }
.ops-node {
  padding: var(--space-4); border-radius: var(--radius-md);
  background: rgba(255,255,255,0.035); border: 1px solid var(--color-border);
  color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 700;
}
.ops-node.active { color: var(--color-text); border-color: var(--color-primary-line); background: var(--color-primary-soft); }
.ops-line { width: 1px; height: 18px; margin-left: var(--space-6); background: linear-gradient(var(--color-primary-line), transparent); }
.panel-foot { position: relative; z-index: 1; margin-top: var(--space-6); color: var(--color-text-faint); font-size: var(--text-sm); }

.clarity-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: var(--space-10); align-items: start; }
.clarity-grid .section-intro { margin-top: 0; }

.systems-grid {
  margin-top: var(--space-12); display: grid; gap: var(--space-5);
  grid-template-columns: repeat(6, 1fr); grid-auto-flow: dense;
}
.system-card {
  grid-column: span 2; padding: var(--space-6); min-height: 285px;
  background: linear-gradient(180deg, var(--color-surface-2), color-mix(in srgb, var(--color-surface) 88%, transparent));
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.system-card-large { grid-column: span 3; }
.system-index { color: var(--color-primary); font-family: var(--font-display); font-weight: 800; font-size: var(--text-sm); }
.system-card h3 { margin-top: var(--space-4); font-size: var(--text-lg); }
.system-card p { margin-top: var(--space-3); color: var(--color-text-muted); }
.system-card ul { margin-top: var(--space-5); display: flex; flex-wrap: wrap; gap: var(--space-2); }
.system-card li {
  color: var(--color-text); background: rgba(255,255,255,0.035); border: 1px solid var(--color-border);
  padding: 0.32rem 0.68rem; border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 700;
}

.process-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(var(--space-10), 6vw, var(--space-20)); align-items: start; }
.process-steps { display: grid; gap: var(--space-4); counter-reset: process; }
.process-step {
  display: grid; grid-template-columns: 58px 1fr; gap: var(--space-5); align-items: start;
  padding: var(--space-6); background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.step-no {
  width: 48px; height: 48px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); background: var(--color-primary-soft); color: var(--color-primary);
  font-family: var(--font-display); font-weight: 800; font-size: var(--text-sm);
}
.process-step h3 { font-size: var(--text-lg); }
.process-step p { margin-top: var(--space-2); color: var(--color-text-muted); }

.packages-grid { margin-top: var(--space-12); display: grid; gap: var(--space-6); grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.package {
  position: relative; display: flex; flex-direction: column; padding: var(--space-8);
  background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-xl);
}
.package-featured {
  border-color: var(--color-primary-line);
  box-shadow: 0 0 0 1px var(--color-primary-soft), var(--shadow-md);
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-surface-3) 88%, transparent), var(--color-surface-2));
}
.package-tag {
  position: absolute; top: calc(-1 * var(--space-3)); left: var(--space-8);
  padding: 0.32rem 0.76rem; border-radius: var(--radius-full);
  background: var(--color-primary); color: var(--color-on-primary);
  font-size: var(--text-xs); font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase;
}
.package-label { color: var(--color-primary); font-size: var(--text-xs); font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.package-head { padding-bottom: var(--space-5); border-bottom: 1px solid var(--color-border); }
.package-head h3 { margin-top: var(--space-2); font-size: var(--text-lg); }
.package-price { margin-top: var(--space-5); font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; line-height: 1; letter-spacing: -0.035em; }
.package-price span { display: block; margin-top: var(--space-2); color: var(--color-text-faint); font-family: var(--font-body); font-size: var(--text-sm); font-weight: 700; letter-spacing: 0; }
.package-desc { margin-top: var(--space-5); color: var(--color-text-muted); }
.package-list { margin: var(--space-6) 0 var(--space-8); display: grid; gap: var(--space-3); }
.package-list li { position: relative; padding-left: var(--space-6); color: var(--color-text); font-size: var(--text-sm); }
.package-list li::before {
  content: ""; position: absolute; left: 0; top: 0.38em; width: 14px; height: 14px;
  border-radius: 50%; background: var(--color-primary-soft); border: 1px solid var(--color-primary-line);
}
.package .btn { margin-top: auto; }
.pricing-note {
  margin-top: var(--space-8); padding: var(--space-6) var(--space-8); border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.025); border: 1px solid var(--color-border); color: var(--color-text-muted);
}

.examples-grid { margin-top: var(--space-12); display: grid; gap: var(--space-5); grid-template-columns: repeat(4, 1fr); }
.example-card {
  padding: var(--space-6); border-radius: var(--radius-lg); background: var(--color-surface-2);
  border: 1px solid var(--color-border); min-height: 250px;
}
.workflow-mini { display: flex; align-items: center; gap: var(--space-2); min-height: 56px; margin-bottom: var(--space-6); }
.workflow-mini span {
  padding: 0.48rem 0.66rem; border-radius: var(--radius-sm); background: var(--color-primary-soft);
  color: var(--color-primary); font-size: var(--text-xs); font-weight: 800; white-space: nowrap;
}
.workflow-mini i { flex: 1; min-width: 16px; height: 1px; background: linear-gradient(90deg, var(--color-primary-line), transparent); }
.example-card h3 { font-size: var(--text-lg); }
.example-card p { margin-top: var(--space-3); color: var(--color-text-muted); font-size: var(--text-sm); }

.faq-container { max-width: var(--content-default); }
.faq-list { margin-top: var(--space-10); border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); padding: var(--space-6) 0; font-family: var(--font-display); font-size: var(--text-lg); font-weight: 800;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; flex-shrink: 0; width: 13px; height: 13px; border-right: 2px solid var(--color-primary); border-bottom: 2px solid var(--color-primary);
  transform: rotate(45deg); transition: transform var(--transition-interactive);
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item summary:hover { color: var(--color-primary-hover); }
.faq-item p { padding-bottom: var(--space-6); color: var(--color-text-muted); max-width: 72ch; }

.section-contact { background: linear-gradient(180deg, var(--color-surface), var(--color-bg)); border-top: 1px solid var(--color-border); }
.contact-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(var(--space-10), 6vw, var(--space-20)); align-items: start; }
.contact-points { margin-top: var(--space-6); display: grid; gap: var(--space-3); }
.contact-points p {
  padding: var(--space-4); border-radius: var(--radius-md); background: rgba(255,255,255,0.025);
  border: 1px solid var(--color-border); color: var(--color-text-muted); font-size: var(--text-sm);
}
.contact-direct { margin-top: var(--space-6); color: var(--color-text-muted); }
.contact-direct a, .form-note a { color: var(--color-primary-hover); font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.contact-form {
  background: var(--color-glass); border: 1px solid var(--color-border-strong); border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 3vw, var(--space-8)); box-shadow: var(--shadow-lg);
}
.field { margin-bottom: var(--space-5); }
.field label { display: block; margin-bottom: var(--space-2); font-size: var(--text-sm); font-weight: 800; }
.field input, .field textarea {
  width: 100%; padding: 0.82rem var(--space-4); border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-bg) 78%, transparent);
  border: 1px solid var(--color-border-strong); color: var(--color-text); font-size: var(--text-base); resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--color-text-faint); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft); }
.form-note { margin-top: var(--space-4); color: var(--color-text-faint); font-size: var(--text-xs); }

.site-footer { border-top: 1px solid var(--color-border); padding-block: var(--space-12) var(--space-8); background: #070a0d; }
[data-theme='light'] .site-footer { background: #e7ebf0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: var(--space-8); }
.footer-brand { display: grid; gap: var(--space-3); }
.footer-logo { width: 190px; height: auto; }
.footer-tag { color: var(--color-text-muted); font-size: var(--text-sm); max-width: 38ch; }
.footer-nav { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-6); }
.footer-nav a { color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 700; }
.footer-nav a:hover { color: var(--color-primary-hover); }
.footer-base { margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--color-border); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); }
.footer-base p { color: var(--color-text-faint); font-size: var(--text-xs); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.72s ease, transform 0.72s cubic-bezier(0.16,1,0.3,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

@media (max-width: 1050px) {
  .hero-grid, .clarity-grid, .process-layout, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-panel { max-width: 560px; }
  .systems-grid { grid-template-columns: repeat(2, 1fr); }
  .system-card, .system-card-large { grid-column: auto; }
  .packages-grid { grid-template-columns: 1fr; }
  .examples-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .site-nav { display: none; }
  .brand-logo { width: 150px; }
}

@media (max-width: 620px) {
  .header-inner { min-height: 64px; }
  .header-actions .btn { display: none; }
  .hero-copy h1 {
    max-width: 12ch;
    font-size: clamp(2.45rem, 14vw, 3.15rem);
    line-height: 1.12;
    letter-spacing: -0.045em;
  }
  .systems-grid, .examples-grid { grid-template-columns: 1fr; }
  .panel-brand { grid-template-columns: 56px 1fr; }
  .brand-logo { width: 140px; }
  .footer-inner, .footer-base { display: grid; }
}