/* ==========================================================================
   ARCTIC AIR HEATING & COOLING
   global.css — Design System & Base Styles
   ─────────────────────────────────────────
   WordPress-Compatible | Mobile-First | BEM (aa- prefix)
   Font: Plus Jakarta Sans | Icons: Font Awesome 6 Free
   ========================================================================== */


/* ==========================================================================
   1. GOOGLE FONTS
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');


/* ==========================================================================
   2. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================== */

:root {

  /* ── 2a. COLOR PALETTE ──────────────────────────────────────────────────── */

  /* Arctic Blue Scale */
  --color-arctic-950:  #040A14;   /* Near-black glacier depth         */
  --color-arctic-900:  #070F1F;   /* Deep arctic night — hero bg      */
  --color-arctic-800:  #0A1628;   /* Dark navy — dark sections        */
  --color-arctic-700:  #0D2044;   /* Deep glacier                     */
  --color-arctic-600:  #0B4F8A;   /* Deep arctic blue                 */
  --color-arctic-500:  #0B72BC;   /* PRIMARY — brand blue             */
  --color-arctic-400:  #1E96D9;   /* Hover, interactive states        */
  --color-arctic-300:  #38BDF8;   /* ICE ACCENT — bright surface ice  */
  --color-arctic-200:  #7DD3F8;   /* Light ice                        */
  --color-arctic-100:  #BAE6FD;   /* Pale ice                         */
  --color-arctic-50:   #E8F4FD;   /* FROST — light section bg         */

  /* Semantic Color Assignments */
  --color-primary:          var(--color-arctic-500);   /* #0B72BC */
  --color-primary-dark:     var(--color-arctic-600);   /* #0B4F8A */
  --color-primary-hover:    #0962A0;
  --color-primary-light:    var(--color-arctic-50);    /* #E8F4FD */
  --color-accent:           var(--color-arctic-300);   /* #38BDF8 */
  --color-accent-glow:      rgba(56, 189, 248, 0.25);

  /* Dark Surfaces */
  --color-dark:             var(--color-arctic-900);   /* #070F1F */
  --color-dark-2:           var(--color-arctic-800);   /* #0A1628 */
  --color-dark-card:        rgba(11, 22, 40, 0.7);

  /* Text */
  --color-text:             #1E293B;   /* Primary body text       */
  --color-text-secondary:   #475569;   /* Secondary text          */
  --color-text-muted:       #94A3B8;   /* Captions, placeholders  */
  --color-text-on-dark:     #E8F4FD;   /* Body text on dark bg    */
  --color-text-on-dark-muted: rgba(232, 244, 253, 0.65);

  /* Backgrounds */
  --color-bg:               #FFFFFF;
  --color-bg-alt:           #F0F9FF;   /* Frost white alt sections */
  --color-bg-card:          #FFFFFF;
  --color-bg-dark:          var(--color-arctic-900);

  /* UI Elements */
  --color-border:           #BDDFF5;
  --color-border-light:     #DFF0FB;
  --color-border-dark:      rgba(56, 189, 248, 0.15);
  --color-white:            #FFFFFF;
  --color-black:            #000000;

  /* Status */
  --color-success:          #10B981;
  --color-warning:          #F59E0B;
  --color-error:            #EF4444;

  /* ── 2b. TYPOGRAPHY ────────────────────────────────────────────────────── */

  --font-primary:    'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont,
                     'Segoe UI', sans-serif;

  /* Type Scale (fluid via clamp where used) */
  --text-xs:    0.6875rem;   /* 11px */
  --text-sm:    0.8125rem;   /* 13px */
  --text-base:  1rem;        /* 16px */
  --text-md:    1.0625rem;   /* 17px */
  --text-lg:    1.125rem;    /* 18px */
  --text-xl:    1.25rem;     /* 20px */
  --text-2xl:   1.5rem;      /* 24px */
  --text-3xl:   1.875rem;    /* 30px */
  --text-4xl:   2.25rem;     /* 36px */
  --text-5xl:   3rem;        /* 48px */
  --text-6xl:   3.75rem;     /* 60px */
  --text-7xl:   clamp(3rem, 6vw, 4.5rem);   /* Fluid display */

  /* Line Heights */
  --leading-none:     1;
  --leading-tight:    1.15;
  --leading-snug:     1.3;
  --leading-normal:   1.55;
  --leading-relaxed:  1.7;

  /* Font Weights */
  --font-light:      300;
  --font-regular:    400;
  --font-medium:     500;
  --font-semibold:   600;
  --font-bold:       700;
  --font-extrabold:  800;

  /* Letter Spacing */
  --tracking-tight:   -0.03em;
  --tracking-snug:    -0.015em;
  --tracking-normal:   0;
  --tracking-wide:     0.05em;
  --tracking-wider:    0.08em;
  --tracking-widest:   0.12em;

  /* ── 2c. SPACING (8px grid) ─────────────────────────────────────────────── */

  --space-1:   0.25rem;    /*  4px */
  --space-2:   0.5rem;     /*  8px */
  --space-3:   0.75rem;    /* 12px */
  --space-4:   1rem;       /* 16px */
  --space-5:   1.25rem;    /* 20px */
  --space-6:   1.5rem;     /* 24px */
  --space-7:   1.75rem;    /* 28px */
  --space-8:   2rem;       /* 32px */
  --space-10:  2.5rem;     /* 40px */
  --space-12:  3rem;       /* 48px */
  --space-14:  3.5rem;     /* 56px */
  --space-16:  4rem;       /* 64px */
  --space-20:  5rem;       /* 80px */
  --space-24:  6rem;       /* 96px */
  --space-28:  7rem;       /* 112px */
  --space-32:  8rem;       /* 128px */

  /* ── 2d. LAYOUT ─────────────────────────────────────────────────────────── */

  --container-max:     1200px;
  --container-wide:    1400px;
  --container-narrow:  800px;
  --container-px:      clamp(1.25rem, 5vw, 2rem);

  --section-py:        clamp(4rem, 7vw, 6rem);
  --section-py-sm:     clamp(2.5rem, 4vw, 3.5rem);
  --section-py-lg:     clamp(5rem, 9vw, 8rem);

  --header-h:          72px;
  --header-h-scroll:   64px;

  --grid-gap:          clamp(1.25rem, 3vw, 1.75rem);
  --card-gap:          clamp(1rem, 2.5vw, 1.5rem);

  /* ── 2e. BORDERS & SHADOWS ──────────────────────────────────────────────── */

  --radius-xs:    3px;
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    14px;
  --radius-xl:    20px;
  --radius-2xl:   28px;
  --radius-3xl:   40px;
  --radius-full:  9999px;

  --shadow-xs:    0 1px 3px rgba(7, 15, 31, 0.08);
  --shadow-sm:    0 2px 8px rgba(7, 15, 31, 0.08),
                  0 1px 3px rgba(7, 15, 31, 0.05);
  --shadow-md:    0 4px 20px rgba(7, 15, 31, 0.10),
                  0 2px 6px rgba(7, 15, 31, 0.06);
  --shadow-lg:    0 8px 40px rgba(7, 15, 31, 0.12),
                  0 3px 12px rgba(7, 15, 31, 0.07);
  --shadow-xl:    0 16px 64px rgba(7, 15, 31, 0.15),
                  0 6px 20px rgba(7, 15, 31, 0.08);
  --shadow-card:  0 2px 24px rgba(11, 114, 188, 0.07),
                  0 1px 6px rgba(11, 114, 188, 0.04);
  --shadow-btn:   0 4px 18px rgba(11, 114, 188, 0.35);
  --shadow-btn-hover: 0 6px 28px rgba(11, 114, 188, 0.45);
  --shadow-glow:  0 0 0 3px rgba(56, 189, 248, 0.3);

  /* ── 2f. TRANSITIONS ────────────────────────────────────────────────────── */

  --ease-in:        cubic-bezier(0.4, 0, 1, 1);
  --ease-out:       cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out:    cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth:    cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --transition-fast:    150ms var(--ease-out);
  --transition-base:    250ms var(--ease-out);
  --transition-slow:    400ms var(--ease-out);
  --transition-spring:  350ms var(--ease-spring);

  /* ── 2g. Z-INDEX SCALE ──────────────────────────────────────────────────── */

  --z-below:     -1;
  --z-base:       0;
  --z-raised:     10;
  --z-dropdown:   100;
  --z-sticky:     200;
  --z-overlay:    300;
  --z-modal:      400;
  --z-toast:      500;
}


/* ==========================================================================
   3. CSS RESET
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
video,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

picture { display: block; }

input,
button,
textarea,
select {
  font: inherit;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--color-text);
}

p { max-width: 68ch; }

blockquote,
figure {
  margin: 0;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* Remove default form appearance on iOS */
input,
textarea {
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

/* Focus ring visible for keyboard nav */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Remove animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ==========================================================================
   4. BASE TYPOGRAPHY
   ========================================================================== */

/* Heading Scale */
.aa-h1,
h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.aa-h2,
h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: var(--font-bold);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
}

.aa-h3,
h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-weight: var(--font-bold);
  line-height: var(--leading-snug);
}

.aa-h4,
h4 {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
}

.aa-h5,
h5 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
}

.aa-h6,
h6 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* Body copy */
.aa-body-lg {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

.aa-body-md {
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}

.aa-body-sm {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

/* Lead paragraph — first paragraph in content blocks */
.aa-lead {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  max-width: 60ch;
}

/* Eyebrow label — small uppercase tag above headings */
.aa-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.aa-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* Eyebrow on dark backgrounds */
.aa-section--dark .aa-eyebrow {
  color: var(--color-accent);
}

/* Gradient text — key headline words (the "ice depth" signature) */
.aa-text-gradient {
  background: linear-gradient(
    135deg,
    var(--color-accent) 0%,
    var(--color-arctic-400) 40%,
    var(--color-primary) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Text color utilities */
.aa-text-primary    { color: var(--color-primary);    }
.aa-text-accent     { color: var(--color-accent);     }
.aa-text-muted      { color: var(--color-text-muted); }
.aa-text-secondary  { color: var(--color-text-secondary); }
.aa-text-white      { color: var(--color-white);      }
.aa-text-on-dark    { color: var(--color-text-on-dark); }

/* Text align */
.aa-text-left   { text-align: left;   }
.aa-text-center { text-align: center; }
.aa-text-right  { text-align: right;  }

/* Center text on mobile, left on desktop — common pattern */
.aa-text-center-mobile { text-align: center; }
@media (min-width: 768px) {
  .aa-text-center-mobile { text-align: left; }
}


/* ==========================================================================
   5. LAYOUT SYSTEM
   ========================================================================== */

/* ── 5a. Container ────────────────────────────────────────────────────────── */

.aa-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

.aa-container--wide {
  max-width: var(--container-wide);
}

.aa-container--narrow {
  max-width: var(--container-narrow);
}

.aa-container--flush {
  padding-left: 0;
  padding-right: 0;
}

/* ── 5b. Grid System ──────────────────────────────────────────────────────── */

/* Base grid */
.aa-grid {
  display: grid;
  gap: var(--grid-gap);
}

/* Common grid column presets */
.aa-grid--2 { grid-template-columns: 1fr; }
.aa-grid--3 { grid-template-columns: 1fr; }
.aa-grid--4 { grid-template-columns: 1fr; }

.aa-grid--auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.aa-grid--auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* 50/50 split */
.aa-grid--split {
  grid-template-columns: 1fr;
  align-items: center;
}

/* Content + Sidebar (60/40) */
.aa-grid--content-aside {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .aa-grid--2        { grid-template-columns: repeat(2, 1fr); }
  .aa-grid--split    { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .aa-grid--3               { grid-template-columns: repeat(3, 1fr); }
  .aa-grid--content-aside   { grid-template-columns: 3fr 2fr; }
}

@media (min-width: 1280px) {
  .aa-grid--4   { grid-template-columns: repeat(4, 1fr); }
}

/* Card gap variant */
.aa-grid--cards { gap: var(--card-gap); }

/* ── 5c. Flex Utilities ───────────────────────────────────────────────────── */

.aa-flex          { display: flex; }
.aa-flex--center  { align-items: center; justify-content: center; }
.aa-flex--between { align-items: center; justify-content: space-between; }
.aa-flex--start   { align-items: flex-start; }
.aa-flex--wrap    { flex-wrap: wrap; }
.aa-flex--col     { flex-direction: column; }
.aa-flex--gap-sm  { gap: var(--space-3); }
.aa-flex--gap     { gap: var(--space-4); }
.aa-flex--gap-md  { gap: var(--space-6); }
.aa-flex--gap-lg  { gap: var(--space-8); }


/* ==========================================================================
   6. SECTION STRUCTURE
   ========================================================================== */

.aa-section {
  padding-top:    var(--section-py);
  padding-bottom: var(--section-py);
  position: relative;
}

.aa-section--sm {
  padding-top:    var(--section-py-sm);
  padding-bottom: var(--section-py-sm);
}

.aa-section--lg {
  padding-top:    var(--section-py-lg);
  padding-bottom: var(--section-py-lg);
}

/* Color themes */
.aa-section--white  { background-color: var(--color-bg); }
.aa-section--frost  { background-color: var(--color-bg-alt); }

.aa-section--dark {
  background-color: var(--color-dark);
  color: var(--color-text-on-dark);
}

.aa-section--dark h1,
.aa-section--dark h2,
.aa-section--dark h3,
.aa-section--dark h4,
.aa-section--dark h5,
.aa-section--dark h6 {
  color: var(--color-white);
}

.aa-section--dark p,
.aa-section--dark .aa-lead {
  color: var(--color-text-on-dark-muted);
}

/* Section header block — eyebrow + heading + lead */
.aa-section__header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.aa-section__header--center {
  text-align: center;
}

.aa-section__header--center .aa-eyebrow {
  justify-content: center;
}

.aa-section__header--center .aa-lead {
  margin-left: auto;
  margin-right: auto;
}

.aa-section__header .aa-lead {
  margin-top: var(--space-4);
}

/* ── Decorative divider between sections ─────────────────────────────────── */
/* Angular clip — "ice fracture" signature edge between sections */

.aa-divider-angle {
  position: relative;
  z-index: var(--z-raised);
}

.aa-divider-angle--bottom::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--color-bg);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.aa-divider-angle--dark-to-white::after {
  background: var(--color-bg);
}

.aa-divider-angle--white-to-frost::after {
  background: var(--color-bg-alt);
}


/* ==========================================================================
   7. BUTTON SYSTEM
   ========================================================================== */

/* Base */
.aa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-spring);
  position: relative;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

.aa-btn:active {
  transform: scale(0.97);
}

/* Glacial shimmer — the signature hover effect */
.aa-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255, 255, 255, 0.22) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.55s var(--ease-smooth);
  pointer-events: none;
}

.aa-btn:hover::after {
  transform: translateX(100%);
}

/* ── Primary Button ────────────────────────────────────────────────────────── */
.aa-btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-btn);
}

.aa-btn--primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-2px);
}

.aa-btn--primary:focus-visible {
  box-shadow: var(--shadow-glow);
}

/* ── Secondary Button (outlined) ──────────────────────────────────────────── */
.aa-btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.aa-btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-btn);
  transform: translateY(-2px);
}

/* ── Ghost Button — for dark sections ─────────────────────────────────────── */
.aa-btn--ghost {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.aa-btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

/* ── Light Button — white on dark hero ────────────────────────────────────── */
.aa-btn--light {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.aa-btn--light:hover {
  background-color: var(--color-arctic-50);
  border-color: var(--color-arctic-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ── Accent Button ─────────────────────────────────────────────────────────── */
.aa-btn--accent {
  background: linear-gradient(
    135deg,
    var(--color-arctic-400) 0%,
    var(--color-primary) 100%
  );
  color: var(--color-white);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(30, 150, 217, 0.4);
}

.aa-btn--accent:hover {
  box-shadow: 0 6px 28px rgba(30, 150, 217, 0.55);
  transform: translateY(-2px);
}

/* ── Sizes ─────────────────────────────────────────────────────────────────── */
.aa-btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

.aa-btn--lg {
  padding: 0.9375rem 2.25rem;
  font-size: var(--text-lg);
}

.aa-btn--xl {
  padding: 1.0625rem 2.5rem;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

/* ── Full-width ─────────────────────────────────────────────────────────────── */
.aa-btn--block {
  width: 100%;
}

/* ── Icon modifier ──────────────────────────────────────────────────────────── */
.aa-btn i,
.aa-btn svg {
  font-size: 1em;
  flex-shrink: 0;
}

/* Button group */
.aa-btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}


/* ==========================================================================
   8. BADGE / TAG SYSTEM
   ========================================================================== */

.aa-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.aa-badge--primary {
  background-color: rgba(11, 114, 188, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(11, 114, 188, 0.2);
}

.aa-badge--accent {
  background-color: rgba(56, 189, 248, 0.12);
  color: var(--color-arctic-600);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.aa-badge--success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.aa-badge--white {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.aa-badge--dark {
  background-color: var(--color-dark-2);
  color: var(--color-text-on-dark);
  border: 1px solid var(--color-border-dark);
}


/* ==========================================================================
   9. CARD BASE STYLES
   ========================================================================== */

.aa-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.aa-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.aa-card__body {
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.aa-card__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Card with border */
.aa-card--bordered {
  border: 1px solid var(--color-border);
  box-shadow: none;
}

.aa-card--bordered:hover {
  border-color: var(--color-arctic-200);
  box-shadow: var(--shadow-md);
}

/* Dark card */
.aa-card--dark {
  background-color: var(--color-arctic-800);
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-on-dark);
}

.aa-card--dark h3,
.aa-card--dark h4,
.aa-card--dark p {
  color: var(--color-text-on-dark);
}

/* Icon card — service cards */
.aa-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    135deg,
    rgba(11, 114, 188, 0.12),
    rgba(56, 189, 248, 0.08)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
  font-size: 1.5rem;
  transition: background var(--transition-base), color var(--transition-base);
  flex-shrink: 0;
}

.aa-card:hover .aa-card__icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-arctic-400));
  color: var(--color-white);
}

.aa-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-snug);
}

.aa-card__text {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.aa-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-top: var(--space-5);
  transition: gap var(--transition-spring);
}

.aa-card__link:hover {
  gap: var(--space-3);
}


/* ==========================================================================
   10. FORM BASE STYLES
   ========================================================================== */

.aa-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.aa-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.aa-input,
.aa-textarea,
.aa-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  outline: none;
}

.aa-input::placeholder,
.aa-textarea::placeholder {
  color: var(--color-text-muted);
}

.aa-input:focus,
.aa-textarea:focus,
.aa-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 114, 188, 0.15);
}

.aa-textarea {
  resize: vertical;
  min-height: 140px;
}

.aa-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
}

/* Input group (icon + field) */
.aa-input-group {
  position: relative;
}

.aa-input-group .aa-input {
  padding-left: 2.75rem;
}

.aa-input-group__icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  font-size: 1rem;
}

/* Dark background form inputs */
.aa-form--dark .aa-input,
.aa-form--dark .aa-textarea,
.aa-form--dark .aa-select {
  background-color: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.aa-form--dark .aa-input::placeholder,
.aa-form--dark .aa-textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.aa-form--dark .aa-input:focus,
.aa-form--dark .aa-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.aa-form--dark .aa-label {
  color: var(--color-text-on-dark);
}


/* ==========================================================================
   11. STATS / NUMBER DISPLAY
   ========================================================================== */

.aa-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.aa-stat__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-extrabold);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-primary);
}

.aa-stat__number--accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.aa-stat__number--white {
  color: var(--color-white);
}

.aa-stat__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.aa-stat__label--white {
  color: var(--color-text-on-dark-muted);
}


/* ==========================================================================
   12. ICON + TEXT FEATURE ITEMS
   ========================================================================== */

.aa-feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.aa-feature-item__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(
    135deg,
    rgba(11, 114, 188, 0.1),
    rgba(56, 189, 248, 0.06)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.aa-feature-item__icon--sm {
  width: 36px;
  height: 36px;
  font-size: 1rem;
}

.aa-feature-item__icon--accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-arctic-400));
  color: var(--color-white);
}

.aa-feature-item__body {
  flex: 1;
  min-width: 0;
}

.aa-feature-item__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
  line-height: var(--leading-snug);
}

.aa-feature-item__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Checklist variant */
.aa-checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.aa-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: var(--leading-normal);
}

.aa-checklist__icon {
  color: var(--color-success);
  font-size: var(--text-base);
  margin-top: 2px;
  flex-shrink: 0;
}

.aa-checklist--on-dark .aa-checklist__item {
  color: var(--color-text-on-dark-muted);
}


/* ==========================================================================
   13. TRUST INDICATORS & SOCIAL PROOF
   ========================================================================== */

/* Star rating */
.aa-stars {
  display: flex;
  gap: 2px;
  color: #F59E0B;
  font-size: var(--text-sm);
}

/* Testimonial card */
.aa-testimonial {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
  position: relative;
}

.aa-testimonial__quote {
  position: absolute;
  top: 1.5rem;
  right: 1.75rem;
  font-size: 3.5rem;
  line-height: 1;
  color: var(--color-arctic-100);
  font-family: Georgia, serif;
  pointer-events: none;
}

.aa-testimonial__text {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.aa-testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.aa-testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  flex-shrink: 0;
}

.aa-testimonial__name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  line-height: 1.3;
}

.aa-testimonial__location {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Certification / trust badge logos */
.aa-trust-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
}

.aa-trust-logos__item {
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity var(--transition-base), filter var(--transition-base);
}

.aa-trust-logos__item:hover {
  opacity: 1;
  filter: none;
}


/* ==========================================================================
   14. PROCESS / STEPS
   ========================================================================== */

.aa-steps {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: 1fr;
  counter-reset: aa-step;
}

@media (min-width: 768px) {
  .aa-steps--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .aa-steps--4 { grid-template-columns: repeat(4, 1fr); }
}

.aa-step {
  position: relative;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.aa-step:hover {
  border-color: var(--color-arctic-200);
  box-shadow: var(--shadow-md);
}

.aa-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-arctic-400));
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.aa-step__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.aa-step__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}


/* ==========================================================================
   15. FAQ COMPONENT
   ========================================================================== */

.aa-faq {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.aa-faq__item {
  border-bottom: 1px solid var(--color-border);
}

.aa-faq__item:last-child {
  border-bottom: none;
}

.aa-faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  background: var(--color-bg);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  border: none;
  font-family: var(--font-primary);
}

.aa-faq__question:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.aa-faq__item--open .aa-faq__question {
  color: var(--color-primary);
  background: var(--color-arctic-50);
}

.aa-faq__icon {
  color: var(--color-primary);
  font-size: var(--text-sm);
  flex-shrink: 0;
  transition: transform var(--transition-spring);
}

.aa-faq__item--open .aa-faq__icon {
  transform: rotate(180deg);
}

.aa-faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-smooth);
}

.aa-faq__item--open .aa-faq__answer {
  max-height: 500px;
}

.aa-faq__answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}


/* ==========================================================================
   16. SPACING UTILITIES
   ========================================================================== */

/* Margin */
.aa-mt-0  { margin-top: 0; }
.aa-mt-2  { margin-top: var(--space-2); }
.aa-mt-4  { margin-top: var(--space-4); }
.aa-mt-6  { margin-top: var(--space-6); }
.aa-mt-8  { margin-top: var(--space-8); }
.aa-mt-10 { margin-top: var(--space-10); }
.aa-mt-12 { margin-top: var(--space-12); }
.aa-mt-16 { margin-top: var(--space-16); }

.aa-mb-0  { margin-bottom: 0; }
.aa-mb-2  { margin-bottom: var(--space-2); }
.aa-mb-4  { margin-bottom: var(--space-4); }
.aa-mb-6  { margin-bottom: var(--space-6); }
.aa-mb-8  { margin-bottom: var(--space-8); }
.aa-mb-10 { margin-bottom: var(--space-10); }
.aa-mb-12 { margin-bottom: var(--space-12); }
.aa-mb-16 { margin-bottom: var(--space-16); }

/* Padding */
.aa-py-sm { padding-top: var(--section-py-sm); padding-bottom: var(--section-py-sm); }
.aa-py    { padding-top: var(--section-py);    padding-bottom: var(--section-py); }
.aa-py-lg { padding-top: var(--section-py-lg); padding-bottom: var(--section-py-lg); }


/* ==========================================================================
   17. DISPLAY & VISIBILITY UTILITIES
   ========================================================================== */

.aa-hidden       { display: none !important; }
.aa-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive visibility */
.aa-hide-mobile  { display: none; }
.aa-hide-desktop { display: block; }

@media (min-width: 768px) {
  .aa-hide-mobile  { display: block; }
  .aa-hide-desktop { display: none; }
}


/* ==========================================================================
   18. DIVIDER
   ========================================================================== */

.aa-hr {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-8) 0;
}

.aa-hr--accent {
  background: linear-gradient(
    90deg,
    var(--color-primary) 0%,
    var(--color-accent) 50%,
    transparent 100%
  );
  height: 2px;
}


/* ==========================================================================
   19. KEYFRAME ANIMATIONS
   ========================================================================== */

@keyframes aa-fade-in-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes aa-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes aa-pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0); }
  50%       { box-shadow: 0 0 0 8px rgba(56, 189, 248, 0.15); }
}

@keyframes aa-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes aa-shimmer-slide {
  from { transform: translateX(-100%); }
  to   { transform: translateX(200%); }
}

/* Utility animation classes */
.aa-animate-fade-up {
  animation: aa-fade-in-up 0.5s var(--ease-out) both;
}

.aa-animate-fade {
  animation: aa-fade-in 0.4s var(--ease-out) both;
}

.aa-animate-float {
  animation: aa-float 4s var(--ease-in-out) infinite;
}

.aa-animate-pulse-glow {
  animation: aa-pulse-glow 2.5s ease-in-out infinite;
}

/* Stagger delays for grouped animations */
.aa-stagger-1 { animation-delay: 0.1s; }
.aa-stagger-2 { animation-delay: 0.2s; }
.aa-stagger-3 { animation-delay: 0.3s; }
.aa-stagger-4 { animation-delay: 0.4s; }


/* ==========================================================================
   20. SCROLL-REVEAL (JS class toggled)
   ========================================================================== */

.aa-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.55s var(--ease-out),
    transform 0.55s var(--ease-out);
}

.aa-reveal.aa-revealed {
  opacity: 1;
  transform: none;
}

.aa-reveal--left {
  transform: translateX(-20px);
}

.aa-reveal--right {
  transform: translateX(20px);
}

.aa-reveal--left.aa-revealed,
.aa-reveal--right.aa-revealed {
  transform: none;
}


/* ==========================================================================
   21. IMAGE HELPERS
   ========================================================================== */

.aa-img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.aa-img-contain {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.aa-img-rounded { border-radius: var(--radius-lg); }
.aa-img-circle  { border-radius: var(--radius-full); }

/* Aspect ratio wrappers */
.aa-aspect-16-9  { aspect-ratio: 16 / 9; overflow: hidden; }
.aa-aspect-4-3   { aspect-ratio: 4 / 3;  overflow: hidden; }
.aa-aspect-1-1   { aspect-ratio: 1 / 1;  overflow: hidden; }
.aa-aspect-3-2   { aspect-ratio: 3 / 2;  overflow: hidden; }


/* ==========================================================================
   22. OVERLAY HELPERS
   ========================================================================== */

.aa-overlay {
  position: relative;
  isolation: isolate;
}

.aa-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: var(--z-base);
  pointer-events: none;
}

.aa-overlay--dark::before {
  background: linear-gradient(
    135deg,
    rgba(7, 15, 31, 0.88) 0%,
    rgba(10, 22, 40, 0.72) 100%
  );
}

.aa-overlay--gradient::before {
  background: linear-gradient(
    to right,
    rgba(7, 15, 31, 0.95) 0%,
    rgba(7, 15, 31, 0.6) 60%,
    rgba(7, 15, 31, 0.1) 100%
  );
}

.aa-overlay > * {
  position: relative;
  z-index: var(--z-raised);
}


/* ==========================================================================
   23. ACCESSIBILITY
   ========================================================================== */

.aa-skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-semibold);
  z-index: var(--z-toast);
  border-radius: 0 0 var(--radius-md) 0;
}

.aa-skip-link:focus {
  top: 0;
}


/* ==========================================================================
   24. PRINT STYLES
   ========================================================================== */

@media print {
  .aa-btn,
  .aa-section--dark,
  nav,
  footer {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  h1, h2, h3 {
    page-break-after: avoid;
  }
}