/* ============================================================
   DEFENSE IT PORTFOLIO — Szulakowski.PL
   Design: Navy + Amber, DM Serif Display + DM Sans
   Tone: Authoritative, understated, defense contractor
   ============================================================ */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  /* Spacing */
  --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;

  /* Defense Palette */
  --navy:        #1b2d4f;
  --navy-deep:   #131a2b;
  --navy-mid:    #243a5e;
  --navy-light:  #2d4a73;
  --amber:       #c8872e;
  --amber-light: #d9a054;
  --amber-dark:  #a06b1e;
  --bg:          #f5f6f8;
  --bg-offset:   #eceef2;
  --white:       #ffffff;
  --text:        #1b2d4f;
  --text-muted:  #5a6a82;
  --text-faint:  #8a96a8;
  --text-inverse:#f0f2f5;
  --border:      #d0d5de;
  --border-dark: #2a3b55;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(27, 45, 79, 0.06);
  --shadow-md: 0 4px 12px rgba(27, 45, 79, 0.08);
  --shadow-lg: 0 12px 32px rgba(27, 45, 79, 0.12);

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Content */
  --content-default: 1100px;
  --content-narrow: 720px;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text);
  background-color: var(--bg);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection {
  background: rgba(200, 135, 46, 0.2);
  color: var(--navy);
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition),
              background var(--transition),
              border-color var(--transition),
              box-shadow var(--transition),
              opacity var(--transition);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* === NAV === */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 246, 248, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav--scrolled {
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--navy);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
}

.logo-dot {
  color: var(--amber);
  font-weight: 700;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.nav__links a:hover {
  color: var(--navy);
}

.nav__cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
}

.nav__cta:hover {
  background: var(--navy-mid) !important;
}

.nav__hamburger {
  display: none;
  color: var(--navy);
}

@media (max-width: 768px) {
  .nav__hamburger { display: block; }
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-4);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .nav__links.open { display: flex; }
  .nav__cta {
    width: 100%;
    text-align: center;
    padding: var(--space-3) var(--space-5) !important;
  }
}


/* === HERO === */
.hero {
  position: relative;
  background: var(--navy);
  color: var(--text-inverse);
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-6) clamp(var(--space-12), 8vw, var(--space-24));
  overflow: hidden;
}

.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 70%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(200,135,46,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  max-width: var(--content-default);
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber-light);
  margin-bottom: var(--space-6);
  padding: var(--space-1) var(--space-3);
  border: 1px solid rgba(200, 135, 46, 0.3);
  border-radius: var(--radius-sm);
}

.hero__badge svg {
  display: inline;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
  max-width: 14ch;
}

.hero__subtitle {
  font-size: var(--text-base);
  line-height: 1.7;
  color: rgba(240, 242, 245, 0.75);
  max-width: 52ch;
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  letter-spacing: 0.01em;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--amber);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--amber-dark);
}

.btn--ghost {
  border: 1px solid rgba(240, 242, 245, 0.3);
  color: var(--text-inverse);
  background: transparent;
}

.btn--ghost:hover {
  border-color: rgba(240, 242, 245, 0.6);
  background: rgba(255,255,255,0.05);
}

.hero__stats {
  position: relative;
  max-width: var(--content-default);
  margin: var(--space-12) auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--amber-light);
  margin-bottom: var(--space-1);
}

.stat__label {
  font-size: var(--text-xs);
  color: rgba(240, 242, 245, 0.55);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

@media (max-width: 768px) {
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
  }
  .btn { width: 100%; text-align: center; }
}


/* === SECTIONS === */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
}

.section--dark {
  background: var(--navy-deep);
  color: var(--text-inverse);
}

.section--offset {
  background: var(--bg-offset);
}

.section__inner {
  max-width: var(--content-default);
  margin: 0 auto;
}

.section__inner--narrow {
  max-width: var(--content-narrow);
}

.section__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: var(--space-3);
}

.section--dark .section__eyebrow {
  color: var(--amber-light);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-10);
}

.section--dark .section__title {
  color: var(--text-inverse);
}


/* === CLEARANCE SECTION === */
.clearance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.clearance-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: border-color var(--transition), background var(--transition);
}

.clearance-card:hover {
  border-color: rgba(200, 135, 46, 0.3);
  background: rgba(255,255,255,0.06);
}

.clearance-card__icon {
  color: var(--amber-light);
  margin-bottom: var(--space-4);
}

.clearance-card__icon svg { display: inline; }

.clearance-card__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-inverse);
}

.clearance-card__text {
  font-size: var(--text-xs);
  color: rgba(240, 242, 245, 0.6);
  line-height: 1.6;
}

.clearance-note {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--amber-light);
  font-style: italic;
  opacity: 0.8;
}

.clearance-note svg { display: inline; width: 14px; height: 14px; flex-shrink: 0; }

@media (max-width: 900px) {
  .clearance-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .clearance-grid { grid-template-columns: 1fr; }
}


/* === CAPABILITIES === */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.cap-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.cap-card:hover {
  border-color: var(--amber);
  box-shadow: var(--shadow-md);
}

.cap-card__number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--amber);
  opacity: 0.4;
  margin-bottom: var(--space-4);
}

.cap-card__title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.cap-card__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.cap-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.cap-card__tags span {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-2);
  background: var(--bg-offset);
  color: var(--navy-mid);
  border-radius: var(--radius-sm);
}

@media (max-width: 700px) {
  .capabilities-grid { grid-template-columns: 1fr; }
}


/* === SCOT SECTION === */
.scot-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.scot-quote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--amber-light);
  font-style: italic;
  margin-bottom: var(--space-6);
  padding-left: var(--space-5);
  border-left: 3px solid var(--amber);
  line-height: 1.5;
}

.scot-desc {
  font-size: var(--text-sm);
  color: rgba(240, 242, 245, 0.7);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.scot-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.scot-metric__value {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--amber-light);
  margin-bottom: var(--space-1);
}

.scot-metric__label {
  font-size: var(--text-xs);
  color: rgba(240, 242, 245, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.scot-awards {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.scot-awards__heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-inverse);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.award {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.award:last-child { margin-bottom: 0; }

.award__icon {
  flex-shrink: 0;
  color: var(--amber-light);
  margin-top: 2px;
}

.award__icon svg { display: inline; }

.award__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-inverse);
  margin-bottom: var(--space-1);
}

.award__text {
  font-size: var(--text-xs);
  color: rgba(240, 242, 245, 0.55);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .scot-layout { grid-template-columns: 1fr; }
  .scot-metrics { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .scot-metrics { grid-template-columns: 1fr; gap: var(--space-3); }
}


/* === APPROACH === */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.approach-card {
  padding: var(--space-6);
  border-top: 3px solid var(--amber);
  background: var(--white);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.approach-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--amber);
  opacity: 0.35;
  margin-bottom: var(--space-3);
}

.approach-card__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-3);
}

.approach-card__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .approach-grid { grid-template-columns: 1fr; }
}


/* === ENGAGEMENT MODELS === */
.engagement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.engagement-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.engagement-card:hover {
  border-color: var(--amber);
  box-shadow: var(--shadow-md);
}

.engagement-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.engagement-card__header svg {
  display: inline;
  color: var(--amber);
  flex-shrink: 0;
}

.engagement-card__type {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.engagement-card__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-3);
}

.engagement-card__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .engagement-grid { grid-template-columns: 1fr; }
}


/* === CONTACT === */
.contact__desc {
  font-size: var(--text-base);
  color: rgba(240, 242, 245, 0.7);
  margin-bottom: var(--space-8);
  text-align: center;
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
}

.section--dark .section__eyebrow,
#contact .section__eyebrow {
  text-align: center;
}

#contact .section__title {
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  padding: var(--space-6);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-inverse);
  transition: border-color var(--transition), background var(--transition);
}

.contact-card:hover {
  border-color: rgba(200, 135, 46, 0.4);
  background: rgba(255,255,255,0.07);
}

.contact-card svg {
  display: inline;
  color: var(--amber-light);
}

.contact-card__label {
  font-size: var(--text-xs);
  color: rgba(240, 242, 245, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.contact-card__value {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-inverse);
}

.contact__timezone {
  text-align: center;
  font-size: var(--text-xs);
  color: rgba(240, 242, 245, 0.45);
  font-style: italic;
}

@media (max-width: 600px) {
  .contact-grid { grid-template-columns: 1fr; }
}


/* === FOOTER === */
.footer {
  background: var(--navy-deep);
  color: rgba(240, 242, 245, 0.45);
  padding: var(--space-8) var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer__inner {
  max-width: var(--content-default);
  margin: 0 auto;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: rgba(240, 242, 245, 0.6);
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.footer__brand svg { display: inline; }

.footer__links {
  margin-bottom: var(--space-4);
}

.footer__links a {
  font-size: var(--text-xs);
  color: rgba(240, 242, 245, 0.5);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--amber-light);
}

.footer__sep {
  margin: 0 var(--space-2);
  color: rgba(240, 242, 245, 0.2);
}

.footer__legal {
  font-size: var(--text-xs);
  color: rgba(240, 242, 245, 0.3);
  margin-bottom: var(--space-2);
}

.footer__tagline {
  font-size: var(--text-xs);
  color: rgba(240, 242, 245, 0.25);
  font-style: italic;
}


/* === ANIMATIONS === */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 80ms; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 160ms; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 240ms; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}