/* ========================================
   ATTM Technologies — Design System
   Brand: Navy #1a2744 + Royal Blue #2461ae
   Fonts: Blinker (display — matches attm-tech.com) + Nunito Sans (body)
======================================== */

/* ── Google Fonts / Fontshare loaded in HTML ── */

/* ── Design Tokens ── */
:root {
  /* 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);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    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;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Blinker', 'Helvetica Neue', sans-serif;
  --font-body: 'Nunito Sans', 'Avenir', 'Helvetica Neue', sans-serif;
}

/* ── Light Mode ── */
:root, [data-theme='light'] {
  --color-bg:              #f5f7fa;
  --color-surface:         #ffffff;
  --color-surface-2:       #edf1f7;
  --color-surface-offset:  #e4eaf3;
  --color-border:          #d0d9e8;
  --color-divider:         #dbe3f0;
  --color-text:            #1a2744;
  --color-text-muted:      #4e6085;
  --color-text-faint:      #8fa0bc;
  --color-text-inverse:    #f5f7fa;
  --color-primary:         #1e5faf;
  --color-primary-hover:   #174d92;
  --color-primary-active:  #103b73;
  --color-primary-highlight: #c8daf5;
  --color-hero-bg:         #111c35;
  --color-hero-surface:    #172444;
  --shadow-sm:  0 1px 3px rgba(26, 39, 68, 0.08);
  --shadow-md:  0 4px 14px rgba(26, 39, 68, 0.10);
  --shadow-lg:  0 12px 36px rgba(26, 39, 68, 0.14);
  --shadow-card: 0 2px 8px rgba(26, 39, 68, 0.07), 0 0 0 1px rgba(26, 39, 68, 0.05);
}

/* ── Dark Mode ── */
[data-theme='dark'], @media (prefers-color-scheme: dark) { :root:not([data-theme]) {
  --color-bg:              #0d1525;
  --color-surface:         #111f36;
  --color-surface-2:       #162440;
  --color-surface-offset:  #1a2a4a;
  --color-border:          #243558;
  --color-divider:         #1e2e50;
  --color-text:            #dae2f0;
  --color-text-muted:      #7a94b8;
  --color-text-faint:      #3d5478;
  --color-text-inverse:    #0d1525;
  --color-primary:         #4d8fd4;
  --color-primary-hover:   #69a4e2;
  --color-primary-active:  #85b9ee;
  --color-primary-highlight: #162c50;
  --color-hero-bg:         #080e1c;
  --color-hero-surface:    #0d1628;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 14px rgba(0,0,0,0.4);
  --shadow-lg:  0 12px 36px rgba(0,0,0,0.5);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.04);
}}

[data-theme='dark'] {
  --color-bg:              #0d1525;
  --color-surface:         #111f36;
  --color-surface-2:       #162440;
  --color-surface-offset:  #1a2a4a;
  --color-border:          #243558;
  --color-divider:         #1e2e50;
  --color-text:            #dae2f0;
  --color-text-muted:      #7a94b8;
  --color-text-faint:      #3d5478;
  --color-text-inverse:    #0d1525;
  --color-primary:         #4d8fd4;
  --color-primary-hover:   #69a4e2;
  --color-primary-active:  #85b9ee;
  --color-primary-highlight: #162c50;
  --color-hero-bg:         #080e1c;
  --color-hero-surface:    #0d1628;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 14px rgba(0,0,0,0.4);
  --shadow-lg:  0 12px 36px rgba(0,0,0,0.5);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.04);
}

/* ── Base Reset ── */
*, *::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: 80px;
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.25s, color 0.25s;
}
img, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.15;
  color: var(--color-text);
}
p, li { text-wrap: pretty; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
button { cursor: pointer; background: none; border: none; }
::selection { background: var(--color-primary-highlight); 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;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Utility Classes ── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

.section-pad {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: 0.35em 0.85em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.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;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.7em 1.5em;
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive), color var(--transition-interactive), transform var(--transition-fast), box-shadow var(--transition-interactive);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
  box-shadow: 0 4px 16px rgba(30, 95, 175, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  background: var(--color-surface-2);
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline-dark:hover {
  background: var(--color-primary-highlight);
  color: var(--color-primary-hover);
}

.btn-lg {
  font-size: var(--text-base);
  padding: 0.85em 2em;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition-interactive), box-shadow var(--transition-interactive);
  padding-block: var(--space-4);
}
.nav--transparent {
  background: transparent;
}
.nav--scrolled {
  background: color-mix(in oklab, var(--color-hero-bg) 95%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav--light {
  background: color-mix(in oklab, var(--color-hero-bg) 95%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.nav__logo img {
  height: 38px;
  width: auto;
}
/* Dark nav: show white logo, hide color logo */
.nav--transparent .logo-on-dark,
.nav--scrolled .logo-on-dark {
  display: block;
}
.nav--transparent .logo-on-light,
.nav--scrolled .logo-on-light {
  display: none;
}
/* Light nav: keep white logo (dark nav stays dark always) */
.nav--light .logo-on-dark {
  display: block;
}
.nav--light .logo-on-light {
  display: none;
}
/* Default state (before JS runs) */
.logo-on-light {
  display: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
}
/* Nav links stay light on always-dark nav */
.nav--light .nav__links a {
  color: rgba(255,255,255,0.85);
}
.nav__links a:hover {
  color: #fff;
}
.nav--light .nav__links a:hover {
  color: #fff;
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav__toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.75);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav__toggle-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.nav--light .nav__toggle-btn {
  color: rgba(255,255,255,0.75);
}
.nav--light .nav__toggle-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* Mobile menu button */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.85);
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* Mobile nav */
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) 0 var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--space-3);
}
.nav__mobile.is-open {
  display: flex;
}
.nav__mobile a {
  font-size: var(--text-base);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: var(--space-2) 0;
}
.nav--light .nav__mobile {
  border-color: rgba(255,255,255,0.08);
}
.nav--light .nav__mobile a {
  color: rgba(255,255,255,0.85);
}
.nav__mobile .btn { align-self: flex-start; margin-top: var(--space-2); }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__actions .btn { display: none; }
  .nav__hamburger { display: flex; }
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-color: var(--color-hero-bg);
  overflow: hidden;
  padding-top: 80px;
}

/* ── Hero Animated ATTM Logo ── */
.hero-logo {
  margin-bottom: var(--space-10);
  opacity: 0;
  transform: translateY(18px) scale(0.97);
  animation: heroLogoEntrance 1.1s 0.15s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes heroLogoEntrance {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Logo lockup — atom left, text right */
.logo-lockup {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 1rem);
}
.atom-container {
  flex-shrink: 0;
  width: clamp(120px, 20vw, 220px);
  height: clamp(120px, 20vw, 220px);
  margin-left: clamp(-12px, -1.5vw, -6px);
}
.atom-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-text-img {
  width: clamp(260px, 42vw, 520px);
  height: auto;
  display: block;
  image-rendering: auto;
}

/* Orbital animations */
.orbitals {
  transform-origin: 100px 100px;
  animation: orbital-rotate 120s linear infinite;
}
@keyframes orbital-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.orbital {
  animation: orbital-breathe 6s ease-in-out infinite;
}
.orbital-1 { animation-delay: 0s; }
.orbital-2 { animation-delay: 2s; }
.orbital-3 { animation-delay: 4s; }
@keyframes orbital-breathe {
  0%, 100% { stroke-opacity: 0.55; stroke-width: 3.2; }
  50% { stroke-opacity: 1; stroke-width: 3.8; }
}

/* Nucleus pulse */
.nucleus {
  transform-origin: 0 0;
  animation: nucleus-pulse 4s ease-in-out infinite;
}
@keyframes nucleus-pulse {
  0%, 100% { opacity: 0.88; }
  50% { opacity: 1; }
}

/* Electrons (positioned by JS) */
.electron {
  filter: url(#electron-glow);
  opacity: 0.95;
}

@media (max-width: 640px) {
  .logo-lockup {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
  .atom-container {
    width: 130px;
    height: 130px;
    margin-left: 0;
  }
  .logo-text { align-items: center; }
  .logo-text-img { width: clamp(200px, 75vw, 320px); }
}

/* Subtle grid pattern */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 128, 210, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 128, 210, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
  pointer-events: none;
}
/* Glow orb */
.hero::after {
  content: '';
  position: absolute;
  width: 800px;
  height: 600px;
  background: radial-gradient(circle at center, rgba(36, 97, 174, 0.25) 0%, transparent 70%);
  top: -100px;
  right: -150px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6fa8e8;
  margin-bottom: var(--space-5);
}
.hero__eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: #6fa8e8;
  border-radius: 2px;
}
.hero h1 {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}
.hero h1 span {
  color: #5fa4e8;
}
.hero__sub {
  font-size: var(--text-lg);
  color: rgba(218, 226, 240, 0.78);
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.7;
  margin-bottom: var(--space-10);
  font-weight: 400;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
}
.hero__trust {
  margin-top: var(--space-16);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  row-gap: var(--space-2);
}
.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: rgba(218, 226, 240, 0.6);
  font-weight: 500;
}
.hero__trust-item svg {
  color: #5fa4e8;
  flex-shrink: 0;
}
.hero__trust-divider {
  width: 1px;
  height: 16px;
  background: rgba(218, 226, 240, 0.2);
}

@media (max-width: 640px) {
  .hero { min-height: 85vh; }
  .hero__content { align-items: center; }
  .hero__actions { flex-direction: column; align-items: stretch; justify-content: flex-start; }
  .hero__actions .btn { justify-content: center; width: 100%; }
  .hero__trust { gap: var(--space-3); }
  .hero__trust-divider { display: none; }
}

/* ── Section Headers ── */
.section-header {
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
}
.section-header--center { text-align: center; }
.section-header--center p { margin-inline: auto; }
.section-header h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.section-header p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 580px;
  line-height: 1.65;
}

/* ── Services Overview Cards ── */
.services-products {
  background: var(--color-bg);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-8) var(--space-8);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), #4d94e8);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.product-card__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: 0.3em 0.9em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.product-card h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.product-card__desc {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
.product-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}
.product-card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.product-card__list li::before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  min-width: 18px;
  background: var(--color-primary);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
  margin-top: 1px;
  flex-shrink: 0;
}

/* ── Services Detail Grid ── */
.services-detail {
  background: var(--color-surface-2);
  padding: var(--space-10) var(--space-8);
  border-radius: var(--radius-xl);
  margin-top: var(--space-12);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}
.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}
.service-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── Industries ── */
.industries {
  background: var(--color-bg);
}
.industries > .container {
  background: var(--color-surface-2);
  padding: var(--space-10) var(--space-8);
  border-radius: var(--radius-xl);
}
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  justify-items: center;
}
.industries-grid .industry-card {
  width: 100%;
}
.industries-grid--bottom {
  grid-template-columns: repeat(2, 1fr);
  max-width: 67%;
  margin-inline: auto;
  margin-top: var(--space-5);
}
@media (max-width: 900px) {
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .industries-grid--bottom {
    max-width: 100%;
  }
}
@media (max-width: 560px) {
  .industries-grid {
    grid-template-columns: 1fr;
  }
  .industries-grid--bottom {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
}
.industry-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
  position: relative;
  overflow: hidden;
}
.industry-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.industry-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}
.industry-card__icon svg {
  flex-shrink: 0;
}
.industry-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.industry-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.industry-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: 0.2em 0.7em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

/* ── Pricing ── */
.pricing {
  background: var(--color-surface-2);
}
.pricing-tabs {
  display: flex;
  gap: var(--space-2);
  background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
  padding: var(--space-1);
  width: fit-content;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}
.pricing-tab {
  padding: 0.5em 1.4em;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
}
.pricing-tab.active {
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.pricing-panel { display: none; }
.pricing-panel.active { display: block; }

/* FUSION 365 Pricing */
.fusion-pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
  max-width: 900px;
  margin-inline: auto;
}
.fusion-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.fusion-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.fusion-card--featured {
  border-color: var(--color-primary);
  position: relative;
}
.fusion-card--featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-primary);
  padding: 0.3em 1em;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.fusion-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
}
.fusion-price {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-1);
  font-family: var(--font-display);
}
.fusion-price-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-5);
}
.fusion-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  line-height: 1.6;
}
.fusion-assoc-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-8);
}
.fusion-assoc-note strong { color: var(--color-primary); }

/* PROTON 365 Pricing Table */
.proton-pricing-intro {
  max-width: 640px;
  margin-bottom: var(--space-8);
}
.proton-pricing-intro p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.pricing-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  position: relative;
  -webkit-overflow-scrolling: touch;
}
.pricing-table-hint {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}
.pricing-table-hint svg {
  display: inline-block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
@media (max-width: 740px) {
  .pricing-table-hint {
    display: flex;
  }
}
.pricing-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  background: var(--color-surface);
}
.pricing-table th {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-align: left;
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface-2);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.pricing-table th:first-child { border-radius: var(--radius-xl) 0 0 0; }
.pricing-table th:last-child { border-radius: 0 var(--radius-xl) 0 0; text-align: center; }
.pricing-table td {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.pricing-table tr:last-child td { border-bottom: none; }
.pricing-table tr:hover td { background: var(--color-surface-2); }
.tier-name {
  font-weight: 700;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-base);
  display: block;
}
.tier-price {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-top: 2px;
}
.tier-for {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}
.tier-features {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.7;
}
.tier-support {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.6;
}
.tier-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--color-primary);
  color: white;
  padding: 0.2em 0.6em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-1);
}

/* ── Process / How We Work ── */
.process {
  background: var(--color-hero-bg);
  position: relative;
  overflow: hidden;
}
.process::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 128, 210, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 128, 210, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.process .section-header h2,
.process .section-header p { color: white; }
.process .section-header h2 { color: white; }
.process .section-header p { color: rgba(218, 226, 240, 0.7); }
.process .tag {
  background: rgba(95, 164, 232, 0.15);
  color: #5fa4e8;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-5);
  position: relative;
  z-index: 1;
}
.process-step {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.process-step:hover {
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-3px);
}
.process-step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(95, 164, 232, 0.12);
  border: 1px solid rgba(95, 164, 232, 0.25);
  color: #5fa4e8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
}
.process-step__num svg {
  flex-shrink: 0;
}
.process-step h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-2);
}
.process-step p {
  font-size: var(--text-sm);
  color: rgba(218, 226, 240, 0.65);
  line-height: 1.6;
}

/* Connector line */
@media (min-width: 900px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Testimonials ── */
.testimonials {
  background: var(--color-bg);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.testimonial-card__stars {
  display: flex;
  gap: var(--space-1);
  color: #f5c518;
  font-size: 1.1rem;
}
.testimonial-card__quote {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  flex: 1;
  font-style: italic;
}
.testimonial-card__quote::before { content: '\201C'; }
.testimonial-card__quote::after { content: '\201D'; }
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-primary);
  flex-shrink: 0;
}
.testimonial-card__name {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.testimonial-card__role {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
/* Google Reviews badge */
.google-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
}
.google-badge__icon {
  flex-shrink: 0;
}
.google-badge__stars {
  color: #f5c518;
  font-size: 0.9rem;
  letter-spacing: 1px;
  line-height: 1;
}
.google-badge__text {
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ── About / Why ATTM ── */
.about {
  background: var(--color-surface-2);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: center;
}
.about__content h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}
.about__content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}
.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.about-stat {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.about-stat__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-1);
}
.about-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 500;
}
.about__visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.about__framework-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.about__framework-card h4 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.about__framework-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 0;
}
.ms-stack {
  background: var(--color-primary-highlight);
  border: 1px solid color-mix(in oklab, var(--color-primary) 30%, transparent);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.ms-stack h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.ms-stack-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.ms-pill {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-surface);
  border: 1px solid color-mix(in oklab, var(--color-primary) 25%, transparent);
  padding: 0.35em 0.85em;
  border-radius: var(--radius-full);
}

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

/* ── Contact / CTA Banner ── */
.contact {
  background: var(--color-hero-bg);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 30% 50%, rgba(36, 97, 174, 0.2) 0%, transparent 70%);
  pointer-events: none;
}
.contact__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: start;
}
.contact__text h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.contact__text p {
  font-size: var(--text-base);
  color: rgba(218, 226, 240, 0.75);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}
.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-2);
}
.contact__info-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(218, 226, 240, 0.8);
}
.contact__info-item svg {
  color: #5fa4e8;
  flex-shrink: 0;
}
.contact__info-item a {
  color: rgba(218, 226, 240, 0.8);
}
.contact__info-item a:hover {
  color: #5fa4e8;
}

.contact-form {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.form-group {
  margin-bottom: var(--space-5);
}
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(218, 226, 240, 0.9);
  margin-bottom: var(--space-2);
}
.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75em 1em;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  color: white;
  font-size: var(--text-sm);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(218, 226, 240, 0.35);
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: #4d8fd4;
  background: rgba(77, 143, 212, 0.1);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.form-textarea { resize: vertical; min-height: 110px; }

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

/* ── Footer ── */
.footer {
  background-color: #0c1628;
  background: var(--color-hero-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: var(--space-12) var(--space-8);
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}
.footer__brand img {
  height: 36px;
  width: auto;
  margin-bottom: var(--space-4);
  opacity: 1;
}
.footer__brand p {
  font-size: var(--text-sm);
  color: rgba(218, 226, 240, 0.78);
  line-height: 1.65;
  max-width: 280px;
  margin-bottom: var(--space-5);
}
.footer__col h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(218, 226, 240, 0.72);
  margin-bottom: var(--space-4);
}
.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__col ul li a {
  font-size: var(--text-sm);
  color: rgba(218, 226, 240, 0.82);
  transition: color var(--transition-fast);
}
.footer__col ul li a:hover { color: #5fa4e8; }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-6);
}
.footer__copy {
  font-size: var(--text-xs);
  color: rgba(218, 226, 240, 0.65);
}
.footer__legal {
  display: flex;
  gap: var(--space-6);
}
.footer__legal a {
  font-size: var(--text-xs);
  color: rgba(218, 226, 240, 0.65);
}
.footer__legal a:hover { color: rgba(218, 226, 240, 0.95); }

@media (max-width: 768px) {
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; }
}

/* ── Scroll Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Misc ── */
.text-primary { color: var(--color-primary); }
.font-display { font-family: var(--font-display); }
.divider {
  height: 1px;
  background: var(--color-divider);
  margin-block: var(--space-8);
}

/* Booking card */
.booking-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.booking-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(95, 164, 232, 0.12);
  border: 1px solid rgba(95, 164, 232, 0.25);
  color: #5fa4e8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}
.booking-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
}
.booking-card p {
  color: rgba(218, 226, 240, 0.7);
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 42ch;
}
.booking-card__alt {
  font-size: var(--text-xs);
  color: rgba(218, 226, 240, 0.45);
  margin-top: var(--space-2);
}
.booking-card__alt a {
  color: rgba(218, 226, 240, 0.65);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.booking-card__alt a:hover {
  color: white;
}