/* =========================================================================
   Suketu Patel, CISSP — Security, IT & Data Consulting
   A single stylesheet. Mobile-first, system fonts, 8px grid.
   ========================================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Color — one considered scale */
  --ink-950: #060f22;
  --ink-900: #0a1628;
  --ink-800: #142039;
  --ink-700: #1c2b4a;   /* Primary brand */
  --ink-600: #334155;
  --ink-500: #475569;
  --ink-400: #64748b;
  --ink-300: #94a3b8;
  --ink-200: #cbd5e1;
  --ink-150: #e2e8f0;
  --ink-100: #eef0f4;
  --ink-50:  #f6f7f9;
  --paper:   #ffffff;

  /* Semantic */
  --text:        var(--ink-900);
  --text-muted:  var(--ink-500);
  --text-soft:   var(--ink-400);
  --border:      var(--ink-150);
  --border-soft: var(--ink-100);
  --bg:          var(--paper);
  --bg-alt:      var(--ink-50);
  --brand:       var(--ink-700);
  --brand-dark:  var(--ink-900);

  /* Type */
  --font-serif: "Iowan Old Style", Charter, "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans:  Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --container: 1240px;
  --gutter: 32px;
  --header-h: 72px;

  /* Radius / shadow */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.04);
  --shadow:    0 8px 24px rgba(10, 22, 40, 0.06);
  --shadow-lg: 0 24px 60px rgba(10, 22, 40, 0.18);

  /* Motion */
  --ease: cubic-bezier(.2, .7, .2, 1);
  --t-fast: 120ms;
  --t: 200ms;
  --t-slow: 400ms;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11", "kern";
}
h1, h2, h3, h4, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

/* ---------- Focus ---------- */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Skip link ---------- */
.skip {
  position: absolute; left: 8px; top: -100px;
  background: var(--brand); color: #fff;
  padding: 10px 14px; border-radius: var(--radius-sm);
  font: 600 14px/1 var(--font-sans);
  z-index: 100;
}
.skip:focus-visible { top: 8px; }

/* =========================================================================
   Header
   ========================================================================= */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
          backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.nav { display: flex; align-items: center; gap: 36px; }
.nav__link {
  font: 500 14px/1 var(--font-sans);
  color: var(--text-muted);
  transition: color var(--t-fast) var(--ease);
}
.nav__link:hover { color: var(--text); }

/* =========================================================================
   Buttons
   ========================================================================= */
.button {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  font: 500 14px/1 var(--font-sans);
  letter-spacing: 0.005em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background-color var(--t) var(--ease),
              color var(--t) var(--ease),
              border-color var(--t) var(--ease),
              transform var(--t) var(--ease),
              box-shadow var(--t) var(--ease);
}
.button__icon {
  display: inline-flex;
  transition: transform var(--t) var(--ease);
}
.button:hover .button__icon { transform: translateX(2px); }

.button--primary {
  background: var(--brand);
  color: #fff;
}
.button--primary:hover {
  background: var(--brand-dark);
  box-shadow: 0 6px 20px rgba(10, 22, 40, 0.18);
}
.button--primary:disabled { opacity: 0.6; cursor: default; box-shadow: none; }

.button--ghost {
  border-color: var(--border);
  color: var(--text);
}
.button--ghost:hover {
  border-color: var(--text);
  background: var(--paper);
}

.button--light {
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}
.button--light:hover {
  background: #fff;
  color: var(--brand);
  border-color: #fff;
}

.button--sm { padding: 9px 14px; font-size: 13px; }
.button--full { width: 100%; padding: 16px 22px; }

/* =========================================================================
   Hero — owns the viewport
   ========================================================================= */
.hero {
  position: relative;
  background: var(--paper);
  overflow: hidden;
}
.hero__container {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  padding: 48px 0 32px;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 48px;
}
/* Soft ambient background — not a grid, just light depth */
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 85% 15%, rgba(28, 43, 74, 0.06), transparent 65%),
    radial-gradient(700px 500px at 0% 90%, rgba(28, 43, 74, 0.04), transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--border-soft);
  pointer-events: none;
}

.hero__content {
  position: relative;
  max-width: 980px;
  align-self: center;
  padding: 24px 0;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 500 13px/1 var(--font-sans);
  color: var(--text-muted);
  letter-spacing: 0.005em;
  margin-bottom: 32px;
  padding: 8px 16px 8px 12px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.hero__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
}
.hero__title {
  font: 500 clamp(38px, 5.4vw, 72px)/1.04 var(--font-serif);
  color: var(--text);
  letter-spacing: -0.022em;
  text-wrap: balance;
}
.hero__lede {
  margin-top: 28px;
  max-width: 58ch;
  font: 400 clamp(17px, 1.4vw, 19px)/1.55 var(--font-sans);
  color: var(--text-muted);
  text-wrap: pretty;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

/* Hero footer row (trust strip + scroll) */
.hero__footer {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--border-soft);
}
.hero__trust {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font: 400 13px/1.4 var(--font-sans);
  color: var(--text-muted);
}
.hero__trust-item { white-space: nowrap; }
.hero__trust-item strong {
  color: var(--text);
  font-weight: 600;
}
.hero__trust-sep {
  width: 3px; height: 3px;
  background: var(--text-soft);
  border-radius: 50%;
  flex: 0 0 auto;
}

.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 500 11px/1 var(--font-sans);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-soft);
  padding: 8px 0;
  transition: color var(--t) var(--ease);
  white-space: nowrap;
}
.hero__scroll:hover { color: var(--text); }
.hero__scroll-arrow {
  animation: scrollBob 2.4s var(--ease) infinite;
}
@keyframes scrollBob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(3px); }
}

/* =========================================================================
   Sections (shared)
   ========================================================================= */
.section {
  padding: 128px 0;
  background: var(--paper);
  position: relative;
}
.section--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.section__head {
  max-width: 820px;
  margin-bottom: 72px;
}
.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: 600 12px/1 var(--font-sans);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.section__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 999px;
  font: 600 11px/1 var(--font-sans);
  letter-spacing: 0.02em;
  color: var(--text);
}
.section--alt .section__num { background: var(--paper); }
.section__eyebrow--light { color: rgba(255, 255, 255, 0.7); }
.section__eyebrow--light .section__num {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}
.section__title {
  font: 500 clamp(32px, 4.4vw, 56px)/1.08 var(--font-serif);
  color: var(--text);
  letter-spacing: -0.018em;
  text-wrap: balance;
}
.section__title--light { color: #fff; }
.section__kicker {
  margin-top: 24px;
  max-width: 56ch;
  font: 400 clamp(16px, 1.3vw, 18px)/1.6 var(--font-sans);
  color: var(--text-muted);
  text-wrap: pretty;
}
.section__kicker--light { color: rgba(255, 255, 255, 0.72); }

/* =========================================================================
   Services
   ========================================================================= */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.service {
  position: relative;
  padding: 40px 32px 44px;
  background: var(--paper);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--t) var(--ease);
}
.service:hover { background: var(--bg-alt); }
.service__index {
  display: inline-block;
  font: 500 12px/1 var(--font-sans);
  color: var(--text-soft);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.service__title {
  font: 500 24px/1.2 var(--font-serif);
  color: var(--text);
  letter-spacing: -0.012em;
  margin-bottom: 20px;
  text-wrap: balance;
}
.service__list { display: flex; flex-direction: column; gap: 10px; }
.service__list li {
  position: relative;
  padding-left: 18px;
  font: 400 15px/1.55 var(--font-sans);
  color: var(--text-muted);
}
.service__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 8px; height: 1px;
  background: var(--text-soft);
}

/* =========================================================================
   Expertise
   ========================================================================= */
.expertise {
  border-top: 1px solid var(--border);
}
.expertise__row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.expertise__term {
  font: 600 13px/1.4 var(--font-sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  padding: 8px 14px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 999px;
  font: 500 14px/1.3 var(--font-sans);
  color: var(--text);
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.chips li:hover {
  border-color: var(--text-soft);
  background: var(--paper);
}

/* =========================================================================
   Contact
   ========================================================================= */
.contact {
  background: var(--ink-900);
  color: #fff;
  padding: 128px 0;
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(900px 400px at 10% 0%, rgba(99, 125, 194, 0.18), transparent 60%),
    radial-gradient(700px 400px at 95% 100%, rgba(72, 95, 160, 0.14), transparent 60%);
  pointer-events: none;
}
.contact__container { position: relative; }
.contact__head { margin-bottom: 72px; }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 88px;
  align-items: start;
}
.contact__info { padding-top: 8px; }

.details {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.details__term {
  display: block;
  font: 600 11px/1.4 var(--font-sans);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 8px;
}
.details__def {
  font: 400 clamp(18px, 1.6vw, 22px)/1.4 var(--font-serif);
  color: #fff;
}
.details__def a {
  position: relative;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 2px;
  transition: border-color var(--t) var(--ease);
}
.details__def a:hover { border-bottom-color: #fff; }

/* Form */
.form {
  background: var(--paper);
  color: var(--text);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font: 600 12px/1.2 var(--font-sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.field input,
.field textarea {
  width: 100%;
  font: 400 15px/1.5 var(--font-sans);
  color: var(--text);
  padding: 14px 16px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              background-color var(--t-fast) var(--ease);
}
.field textarea {
  resize: vertical;
  min-height: 140px;
  font-family: var(--font-sans);
}
.field input:hover,
.field textarea:hover {
  border-color: var(--text-soft);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  background: var(--paper);
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(28, 43, 74, 0.12);
}
.form .button { margin-top: 8px; }
.form-status {
  min-height: 1.4em;
  margin-top: 14px;
  font: 500 14px/1.4 var(--font-sans);
  color: var(--text-muted);
}
.form-status.ok  { color: #0f7a3d; }
.form-status.err { color: #b91c1c; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }

/* =========================================================================
   Footer
   ========================================================================= */
.footer {
  background: var(--ink-950);
  color: rgba(255, 255, 255, 0.65);
  padding: 48px 0 56px;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer__brand { display: flex; align-items: center; gap: 14px; }
.footer__mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  font: 700 13px/1 var(--font-sans);
  color: #fff;
  letter-spacing: 0.04em;
}
.footer__name {
  font: 600 14px/1.3 var(--font-sans);
  color: #fff;
}
.footer__meta {
  font: 400 13px/1.5 var(--font-sans);
  color: rgba(255, 255, 255, 0.55);
}
.footer__meta--right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.footer__meta--right a {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--t-fast) var(--ease);
}
.footer__meta--right a:hover { color: #fff; }
.footer__sep { color: rgba(255, 255, 255, 0.3); }

/* =========================================================================
   Responsive
   ========================================================================= */

/* Tablet */
@media (max-width: 1024px) {
  :root { --gutter: 24px; }
  .hero__container { padding: 48px 0 32px; gap: 40px; }
  .services { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; gap: 56px; }
  .expertise__row { grid-template-columns: 180px 1fr; gap: 32px; }
}

/* Small tablet / large phone */
@media (max-width: 760px) {
  :root { --header-h: 64px; }
  .nav { gap: 20px; }
  .nav__link { display: none; }
  .nav__link[href="#contact"] { display: inline-flex; }
  .section { padding: 88px 0; }
  .section__head { margin-bottom: 48px; }
  .contact { padding: 88px 0; }
  .contact__head { margin-bottom: 48px; }
  .hero__footer { flex-direction: column; align-items: flex-start; gap: 20px; padding-top: 24px; }
  .hero__trust { gap: 14px; font-size: 12px; }
  .form { padding: 28px; }
}

/* Phone */
@media (max-width: 560px) {
  :root { --gutter: 20px; }
  .hero__container { padding: 24px 0 20px; gap: 32px; }
  .hero__content { padding: 16px 0; }
  .hero__eyebrow { font-size: 12px; padding: 6px 12px; margin-bottom: 24px; }
  .hero__lede { margin-top: 20px; font-size: 16px; }
  .hero__actions { flex-direction: column; align-items: stretch; margin-top: 32px; }
  .hero__actions .button { width: 100%; }
  .services { grid-template-columns: 1fr; border-left: 0; border-top: 1px solid var(--border); }
  .service { padding: 32px 0; border-right: 0; }
  .expertise__row { grid-template-columns: 1fr; gap: 14px; padding: 24px 0; }
  .form { padding: 24px 20px; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__meta--right { font-size: 12px; }
}

/* Short viewport — tighten hero so it still fits */
@media (max-height: 760px) and (min-width: 760px) {
  .hero__container { padding: 32px 0 24px; gap: 32px; }
  .hero__content { padding: 12px 0; }
  .hero__title { font-size: clamp(36px, 4.6vw, 60px); }
  .hero__lede { margin-top: 20px; }
  .hero__actions { margin-top: 32px; }
}

/* =========================================================================
   Accessibility / print
   ========================================================================= */
@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;
  }
  .hero__scroll-line::after { animation: none; display: none; }
}

@media print {
  .header, .hero__scroll, .hero__actions, .form, .contact .button, .skip { display: none; }
  .hero, .section, .contact, .footer { padding: 24px 0; background: #fff; color: #000; }
  .hero__container { min-height: 0; }
  .service, .chips li { break-inside: avoid; }
}