/* ====================================================================
   LHO TECH SOLUTIONS — STYLES
   Pure CSS, Mobile-First
   ==================================================================== */

:root {
  --color-bg: #f2f2f3;
  --color-surface: #ffffff;
  --color-text: #1d1f20;
  --color-accent: #5980a6;
  --color-accent-700: #3f5f80;
  --color-accent-900: #24384c;
  --color-neutral-100: #f7f7f8;
  --color-divider: rgba(29, 31, 32, 0.18);

  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-body: "Barlow", system-ui, sans-serif;

  --space-1: 3.4px;
  --space-2: 6.8px;
  --space-3: 10.2px;
  --space-4: 13.6px;
  --space-6: 20.4px;
  --space-8: 27.2px;

  --radius: 4px;
  --section-gap: 40.8px;
}

@media (min-width: 768px) {
  :root {
    --section-gap: 54.4px;
  }
}

/* Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  text-wrap: pretty;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  line-height: 1.12;
  letter-spacing: -0.015em;
}

h1 {
  font-size: 36px;
}

@media (min-width: 768px) {
  h1 {
    font-size: 54px;
  }
}

h2 {
  font-size: 32px;
}

h3 {
  font-size: 22px;
}

h4 {
  font-size: 16px;
}

.kicker {
  font-family: var(--font-heading);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-700);
  margin-bottom: var(--space-4);
}

.text-secondary {
  color: var(--color-accent-700);
}

.text-muted {
  opacity: 0.62;
  font-size: 13px;
}

.text-accent {
  color: var(--color-accent);
}

p {
  margin-bottom: 1.5em;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Container & Grid */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-8);
}

/* Header */
header {
  background: var(--color-surface);
  padding: var(--space-8) var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.logo {
  font-family: var(--font-heading);
  font-size: 20px;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

nav {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav a {
  font-family: var(--font-heading);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

nav a:hover {
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

/* Hero */
.hero {
  position: relative;
  padding: var(--section-gap) var(--space-8);
  overflow: hidden;
  color: var(--color-neutral-100);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-accent-900);
  opacity: 0.72;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  display: block;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
}

.hero-content {
  max-width: 62ch;
}

.hero-content .kicker {
  color: var(--color-neutral-100);
  opacity: 0.8;
}

.hero-content h1 {
  color: var(--color-neutral-100);
  margin-bottom: var(--space-6);
}

.hero-content p {
  margin-bottom: var(--space-6);
  max-width: 62ch;
}

.hero-content .text-muted {
  opacity: 0.72;
}

.hero-buttons {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.hero-buttons .btn-secondary {
  border-color: rgba(247, 247, 248, 0.4);
  color: var(--color-neutral-100);
}

.hero-buttons .btn-secondary:hover {
  background: rgba(247, 247, 248, 0.12);
}

/* Blueprint Component */
.blueprint {
  position: relative;
  border: 1px solid var(--color-divider);
  background: transparent;
  padding: var(--space-6);
}

.blueprint .corner {
  position: absolute;
  width: 7px;
  height: 7px;
  opacity: 0.9;
}

.blueprint .corner::before,
.blueprint .corner::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
}

.blueprint .corner::before {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.blueprint .corner::after {
  top: 50%;
  left: 0;
  height: 1px;
  width: 100%;
  transform: translateY(-50%);
}

.blueprint .corner.tl {
  left: -4px;
  top: -4px;
}

.blueprint .corner.tr {
  right: -4px;
  top: -4px;
}

.blueprint .corner.bl {
  left: -4px;
  bottom: -4px;
}

.blueprint .corner.br {
  right: -4px;
  bottom: -4px;
}

.blueprint img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(1) contrast(1.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
  position: relative;
}

.btn-primary::before,
.btn-primary::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
}

.btn-primary::before {
  width: 7px;
  height: 1px;
  left: -4px;
  top: 50%;
  transform: translateY(-50%);
}

.btn-primary::after {
  width: 1px;
  height: 7px;
  left: 50%;
  top: -4px;
  transform: translateX(-50%);
}

.btn-primary:hover {
  background: var(--color-accent-700);
  border-color: var(--color-accent-700);
}

.btn-secondary {
  border-color: var(--color-divider);
  color: var(--color-text);
  background: transparent;
}

.btn-secondary:hover {
  background: rgba(29, 31, 32, 0.07);
}

.btn-ghost {
  border: none;
  background: transparent;
  color: var(--color-accent);
  padding: 0;
  min-height: auto;
  font-size: 13px;
}

.btn-ghost:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* App Card */
.app-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  padding: var(--space-6);
}

.app-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.app-card h3 {
  margin-bottom: var(--space-2);
  font-size: 18px;
}

.app-card p {
  font-size: 14px;
  margin-bottom: var(--space-2);
  line-height: 1.5;
}

.app-card .text-muted {
  margin-bottom: var(--space-4);
}

.app-tags {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.tag {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: var(--radius);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag-outline {
  border: 1px solid var(--color-divider);
  color: var(--color-text);
  background: transparent;
}

.tag-accent {
  background: #e6ecf3;
  color: var(--color-accent-900);
}

.app-links {
  display: flex;
  gap: var(--space-4);
  margin-top: auto;
}

/* Sections */
section {
  padding: var(--section-gap) var(--space-8);
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--section-gap);
}

.section-header h2 {
  flex-shrink: 0;
}

.section-header .subtitle {
  font-size: 13px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.apps-section {
  background: var(--color-surface);
}

/* Support Section */
.support-section {
  background: var(--color-surface);
}

.support-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 1fr) minmax(300px, 1fr);
  gap: var(--space-8);
  align-items: start;
}

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

.support-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  padding: var(--space-8);
  text-align: center;
}

.support-card h3 {
  margin-bottom: var(--space-4);
  font-size: 16px;
}

.support-email {
  font-family: var(--font-heading);
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-accent);
  word-break: break-all;
}

.support-email a {
  color: var(--color-accent);
}

/* Privacy Pages */
.privacy-hero {
  background: var(--color-accent-900);
  color: var(--color-neutral-100);
  padding: var(--section-gap) var(--space-8);
}

.privacy-hero h1 {
  color: var(--color-neutral-100);
  margin-bottom: var(--space-6);
}

.privacy-hero p {
  max-width: 62ch;
  opacity: 0.9;
}

.privacy-list {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-8);
  margin-top: var(--section-gap);
}

.privacy-card {
  border: 1px solid rgba(247, 247, 248, 0.35);
  background: transparent;
  padding: var(--space-6);
  text-align: center;
}

.privacy-card h3 {
  color: var(--color-neutral-100);
  margin-bottom: var(--space-4);
  font-size: 18px;
}

.privacy-card a {
  color: var(--color-neutral-100);
  border-bottom: 2px solid var(--color-neutral-100);
  padding-bottom: 2px;
  display: inline-block;
}

.privacy-card a:hover {
  opacity: 0.8;
}

.privacy-content {
  background: var(--color-surface);
  padding: 34px var(--space-8);
  min-height: 100vh;
}

.privacy-document {
  max-width: 78ch;
  margin: 0 auto;
}

.privacy-document h1 {
  margin-bottom: var(--space-4);
  font-size: 32px;
}

.privacy-document .meta {
  font-size: 13px;
  color: var(--color-accent-700);
  margin-bottom: var(--space-8);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.privacy-document h2 {
  margin-top: var(--section-gap);
  margin-bottom: var(--space-4);
  font-size: 18px;
}

.privacy-document h2:first-of-type {
  margin-top: var(--space-6);
}

.privacy-document strong {
  font-weight: 600;
}

.privacy-document ol,
.privacy-document ul {
  margin-left: 2em;
  margin-bottom: 1.5em;
}

.privacy-document li {
  margin-bottom: 1em;
}

/* Footer */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8);
  margin-top: var(--section-gap);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer-inner > * {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
}

.footer-inner a {
  color: var(--color-text);
}

.footer-inner a:hover {
  color: var(--color-accent);
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print */
@media print {
  body {
    background: white;
  }

  header, footer, .hero-buttons {
    display: none;
  }
}