/* ============================================================
   4Mining Website — styles.css  (Apple-Style Edition)
   ============================================================ */

/* ============================================================
   1. CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Brand – brighter, more electric */
  --color-brand:        #2F6FE8;
  --color-brand-light:  #5B9CF6;
  --color-brand-dark:   #1A4CB5;

  /* Apple-inspired accents */
  --apple-blue:   #0071E3;
  --apple-purple: #BF5AF2;
  --apple-green:  #34C759;
  --apple-amber:  #FF9F0A;

  /* Gradient (used for text, borders, CTAs) */
  --gradient:      linear-gradient(135deg, #0071E3 0%, #5E5CE6 50%, #BF5AF2 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 0%, #a8c8ff 45%, #d4a8ff 100%);
  --gradient-hero-bg: radial-gradient(ellipse 80% 60% at 20% 40%, rgba(0,113,227,0.28) 0%, transparent 60%),
                      radial-gradient(ellipse 60% 80% at 85% 15%, rgba(94,92,230,0.22) 0%, transparent 55%),
                      radial-gradient(ellipse 50% 60% at 60% 85%, rgba(191,90,242,0.12) 0%, transparent 55%),
                      #000000;

  /* Backgrounds – true Apple dark */
  --color-bg-base:      #0a0a0a;
  --color-bg-surface:   #111111;
  --color-bg-card:      #1c1c1e;
  --color-bg-card-hover:#2c2c2e;
  --color-bg-dark:      #000000;
  --color-bg-elevated:  #242426;

  /* Glassmorphism */
  --glass-bg:        rgba(255, 255, 255, 0.055);
  --glass-bg-hover:  rgba(255, 255, 255, 0.10);
  --glass-border:    rgba(255, 255, 255, 0.10);
  --glass-shadow:    0 8px 32px rgba(0, 0, 0, 0.6);
  --glass-blur:      blur(40px) saturate(180%);

  /* Text – Apple gray scale */
  --color-text-primary: #f5f5f7;
  --color-text-muted:   #a1a1a6;
  --color-text-dim:     #6e6e73;
  --color-text-white:   #ffffff;

  /* Borders */
  --color-border:       rgba(255, 255, 255, 0.08);
  --color-border-light: rgba(255, 255, 255, 0.14);

  /* Typography */
  --font-heading: 'Oswald', sans-serif;
  --font-body:    -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;

  --fs-xs:   0.75rem;     /* 12 */
  --fs-sm:   0.875rem;    /* 14 */
  --fs-base: 1.0625rem;   /* 17 – Apple body size */
  --fs-md:   1.25rem;     /* 20 */
  --fs-lg:   1.5rem;      /* 24 */
  --fs-xl:   2rem;        /* 32 */
  --fs-2xl:  2.5rem;      /* 40 */
  --fs-hero: clamp(2.25rem, 5.5vw, 5rem);

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2rem;
  --space-xl:  3rem;
  --space-2xl: 5rem;
  --section-py: clamp(4rem, 8vw, 8rem);

  /* Layout */
  --container-max: 1200px;
  --header-h:      64px;

  /* Radii – rounder for Apple feel */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.6);
  --glow-blue:  0 0 40px rgba(0, 113, 227, 0.4);
  --glow-purple:0 0 40px rgba(191, 90, 242, 0.35);

  /* Motion */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --transition:  all 0.3s var(--ease-out);
  --transition-fast: all 0.15s ease;

  /* Z-index */
  --z-header:   100;
  --z-back-top: 99;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
}

img { max-width: 100%; display: block; }

a {
  color: var(--color-brand-light);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover { color: var(--apple-blue); }

ul, ol { list-style: none; }

address { font-style: normal; }

p { margin-bottom: var(--space-sm); }
p:last-child { margin-bottom: 0; }

strong { color: var(--color-brand-light); font-weight: 600; }

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-text-white);
}

/* Gradient text utility */
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--section-py) 0;
}

/* Alternating section backgrounds for depth */
.section--alt {
  background: var(--color-bg-surface);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: var(--fs-2xl);
  color: var(--color-text-white);
  margin-bottom: var(--space-xs);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  height: 3px;
  width: 50px;
  background: var(--gradient);
  margin: var(--space-xs) auto 0;
  border-radius: var(--radius-pill);
}

.section-logo {
  display: block;
  max-height: 120px;
  width: auto;
  margin: 0 auto var(--space-xs);
}

.section-cta {
  display: inline-block;
  margin-top: var(--space-md);
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
  margin-top: var(--space-sm);
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.3s ease;
}

.btn:hover::before { background: rgba(255,255,255,0.08); }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--glow-blue);
}

.btn-primary:hover {
  color: #fff;
  box-shadow: var(--glow-purple);
  transform: translateY(-2px);
}

.btn-outline {
  background: var(--glass-bg);
  color: var(--color-text-white);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.btn-outline:hover {
  border-color: var(--color-brand-light);
  color: var(--color-brand-light);
  transform: translateY(-2px);
}

/* ============================================================
   5. STICKY HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(0, 0, 0, 0.88);
  border-bottom-color: rgba(255,255,255,0.1);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), var(--shadow-md);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header-brand { flex-shrink: 0; }
.header-brand img {
  height: 36px;
  width: auto;
  filter: drop-shadow(0 0 6px rgba(0, 113, 227, 0.55)) drop-shadow(0 0 14px rgba(0, 113, 227, 0.25));
  transition: filter 0.3s ease;
}
.header-brand img:hover {
  filter: drop-shadow(0 0 8px rgba(0, 113, 227, 0.8)) drop-shadow(0 0 20px rgba(0, 113, 227, 0.4));
}

/* NAV */
.main-nav { flex: 1; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 0;
}

.main-nav a {
  display: block;
  padding: 0.45rem 0.875rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: rgba(245, 245, 247, 0.72);
  position: relative;
  transition: color 0.2s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0.875rem; right: 0.875rem;
  height: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
  border-radius: var(--radius-pill);
}

.main-nav a:hover,
.main-nav a.is-active { color: #fff; }

.main-nav a:hover::after,
.main-nav a.is-active::after { transform: scaleX(1); }

/* HEADER ACTIONS */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* LANGUAGE SWITCHER */
.lang-switcher {
  display: flex;
  gap: 2px;
}

.lang-switcher a {
  display: block;
  width: 32px; height: 26px;
  line-height: 26px;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.lang-switcher a:hover {
  background: rgba(255,255,255,0.12);
  color: var(--color-text-primary);
}

.lang-switcher li.active a {
  background: var(--apple-blue);
  color: #fff;
}

/* ============================================================
   6. HAMBURGER
   ============================================================ */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px; height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  height: 1.5px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

/* ============================================================
   7. HERO SECTION — Apple-style full screen
   ============================================================ */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  padding-top: var(--header-h);
  display: flex;
  align-items: center;
  background: var(--gradient-hero-bg);
  position: relative;
  overflow: hidden;
}

/* Subtle grain overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
}

/* Bottom fade */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--color-bg-dark));
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-copy { max-width: 600px; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.3rem 0.9rem;
  background: rgba(0, 113, 227, 0.14);
  border: 1px solid rgba(0, 113, 227, 0.3);
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--apple-blue);
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s var(--ease-out) both;
  animation-delay: 0.1s;
}

.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--apple-green);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

.hero-headline {
  font-size: var(--fs-hero);
  font-weight: 500;
  line-height: 1.15;
  padding-bottom: 0.15em;
  margin-bottom: var(--space-md);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s var(--ease-out) both;
  animation-delay: 0.22s;
}

.hero-subline {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 500px;
  margin-bottom: var(--space-xl);
  line-height: 1.7;
  animation: fadeInUp 0.8s var(--ease-out) both;
  animation-delay: 0.38s;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  animation: fadeInUp 0.8s var(--ease-out) both;
  animation-delay: 0.52s;
}

/* Hero visualization side */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeInUp 0.9s var(--ease-out) both;
  animation-delay: 0.3s;
}

.hero-viz-svg {
  width: 100%;
  max-width: 520px;
  filter: drop-shadow(0 0 60px rgba(0, 113, 227, 0.25));
}

/* Floating 3D card effect on hero visual */
.hero-visual [data-parallax] {
  transition: transform 0.08s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   8. SERVICE QUICKNAV
   ============================================================ */
.quicknav-section {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.quicknav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.quicknav-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-xl) var(--space-md);
  color: var(--color-text-muted);
  text-decoration: none;
  border-right: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: color 0.3s ease, background 0.3s ease;
}

.quicknav-grid li:last-child .quicknav-card { border-right: none; }

.quicknav-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform 0.35s var(--ease-out);
}

.quicknav-card:hover {
  color: var(--color-text-white);
  background: rgba(255,255,255,0.03);
}

.quicknav-card:hover::after { transform: scaleX(1); }

.quicknav-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--apple-blue);
  transition: color 0.3s, transform 0.3s var(--ease-spring);
}

.quicknav-card:hover .quicknav-icon {
  color: var(--color-brand-light);
  transform: scale(1.15) translateY(-2px);
}

.quicknav-icon svg { width: 32px; height: 32px; }

.quicknav-label {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
}

/* ============================================================
   9. SERVICES SECTION
   ============================================================ */
.services-section {
  background: var(--color-bg-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-md);
}

/* 3D tilt card base */
.service-card {
  background: var(--glass-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  transform-style: preserve-3d;
  will-change: transform;
  cursor: default;
  position: relative;
  overflow: hidden;
}

/* Gradient top border shimmer */
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  border-color: rgba(255,255,255,0.18);
  box-shadow: var(--glow-blue), var(--glass-shadow);
  background: var(--glass-bg-hover);
}

.service-card:hover::before { opacity: 1; }

.service-card__icon {
  width: 48px; height: 48px;
  color: var(--apple-blue);
  margin-bottom: var(--space-md);
  transition: color 0.3s, transform 0.3s var(--ease-spring);
  transform: translateZ(20px);
}

.service-card:hover .service-card__icon {
  color: var(--color-brand-light);
  transform: translateZ(30px) scale(1.1);
}

.service-card__icon svg { width: 100%; height: 100%; }

.service-card__title {
  font-size: var(--fs-md);
  color: var(--color-text-white);
  margin-bottom: var(--space-xs);
  transform: translateZ(10px);
}

.service-card__desc {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

/* ============================================================
   10. 4MTRACKING SECTION
   ============================================================ */
.tracking-section {
  background: var(--color-bg-base);
  position: relative;
  overflow: hidden;
}

/* Ambient glow behind the dashboard */
.tracking-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(0,113,227,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ── TRACKING DASHBOARD ── */
.tracking-dashboard {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-xl);
  align-items: start;
  margin-top: var(--space-xl);
}

.tracking-map-wrap {
  position: relative;
}

/* 3D perspective tilt on the floor plan */
.floor-plan-3d {
  transform: perspective(900px) rotateX(14deg) rotateY(-8deg);
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease-out);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), var(--glow-blue);
}

.floor-plan-svg {
  display: block;
  width: 100%;
  border-radius: var(--radius-lg);
}

/* Stats side-panel */
.tracking-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-top: 2rem;
}

.tracking-intro__text h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-sm);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tracking-intro__text p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

/* Tech Stack Badges */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-xl) 0;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.35rem 0.9rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: var(--transition);
}

.tech-badge:hover {
  background: var(--glass-bg-hover);
  border-color: var(--apple-blue);
  color: var(--apple-blue);
  transform: translateY(-1px);
}

.tech-badge svg { width: 14px; height: 14px; fill: currentColor; }

/* Features List */
.tracking-features { margin: var(--space-xl) 0; }

.tracking-features h4,
.tracking-benefits h4,
.tracking-applications h4 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-md);
  color: var(--color-text-white);
}

.tracking-features ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-sm);
}

.tracking-features li {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  transition: border-color 0.2s;
}

.tracking-features li:hover {
  border-color: rgba(0,113,227,0.3);
}

.tracking-features li::before {
  content: '';
  display: block;
  width: 3px;
  min-height: 100%;
  background: var(--gradient);
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

/* Benefits Grid */
.tracking-benefits { margin: var(--space-xl) 0; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.benefit-item {
  background: var(--glass-bg);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  transform-style: preserve-3d;
  will-change: transform;
}

.benefit-item:hover {
  border-color: rgba(0,113,227,0.3);
  box-shadow: var(--glow-blue);
  background: var(--glass-bg-hover);
}

.benefit-item h5 {
  font-size: var(--fs-md);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.4rem;
}

.benefit-item p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

/* Applications */
.tracking-applications { margin: var(--space-xl) 0; }

.applications-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.application {
  background: var(--glass-bg);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border-left: 2px solid transparent;
  border-image: var(--gradient) 1;
  transition: var(--transition);
}

.application:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-3px);
}

.application h5 { color: var(--color-text-white); font-size: var(--fs-md); margin-bottom: 0.4rem; }
.application p { color: var(--color-text-muted); font-size: var(--fs-sm); }

.conclusion-box {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  text-align: center;
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  position: relative;
  overflow: hidden;
}

.conclusion-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient);
}

/* ============================================================
   11. ABOUT SECTION
   ============================================================ */
.about-section {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about-text p {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
  line-height: 1.85;
  margin-bottom: var(--space-md);
}

.about-text .btn { margin-top: var(--space-sm); }

.about-values {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.value-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.value-item:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(255,255,255,0.15);
  transform: translateX(4px);
}

.value-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: rgba(0, 113, 227, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--apple-blue);
  transition: background 0.3s, color 0.3s;
}

.value-item:hover .value-icon {
  background: rgba(0, 113, 227, 0.2);
}

.value-icon svg { width: 22px; height: 22px; }

.value-item h4 { font-size: var(--fs-md); color: var(--color-text-white); margin-bottom: 0.25rem; }
.value-item p  { color: var(--color-text-muted); font-size: var(--fs-sm); margin: 0; }

/* ============================================================
   12. STATS SECTION
   ============================================================ */
.stats-section {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 100% at 50% 50%, rgba(0,113,227,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat-item {
  padding: var(--space-lg) 0;
  position: relative;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  height: 40%;
  width: 1px;
  background: var(--color-border);
}

.stat-item:last-child::after { display: none; }

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 3.5rem;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-unit {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  color: var(--apple-purple);
  -webkit-text-fill-color: var(--apple-purple);
}

.stat-label {
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-xs);
}

/* ============================================================
   13. CONTACT SECTION
   ============================================================ */
.contact-section {
  background: var(--color-bg-base);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-info address p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-sm);
  line-height: 1.75;
}

.contact-info address a { color: var(--apple-blue); }
.contact-info address a:hover { color: var(--color-brand-light); }
.contact-info .mailto-fallback { margin-top: var(--space-md); }

/* FORM */
.contact-form-wrap {
  background: var(--glass-bg);
  padding: var(--space-xl) var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  position: relative;
  overflow: hidden;
}

.contact-form-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient);
}

.form-field {
  position: relative;
  margin-bottom: var(--space-md);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 1.35rem 1rem 0.5rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--fs-base);
  font-family: var(--font-body);
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
  outline: none;
  resize: vertical;
}

.form-field label {
  position: absolute;
  top: 1rem; left: 1rem;
  color: var(--color-text-muted);
  font-size: var(--fs-base);
  pointer-events: none;
  transition: all 0.2s ease;
  transform-origin: left top;
}

.form-field input:not(:placeholder-shown) ~ label,
.form-field input:focus ~ label,
.form-field textarea:not(:placeholder-shown) ~ label,
.form-field textarea:focus ~ label {
  transform: translateY(-0.55rem) scale(0.72);
  color: var(--apple-blue);
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--apple-blue);
  background: rgba(0, 113, 227, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.form-field textarea { min-height: 110px; }

#form-status { margin-bottom: var(--space-md); }

.form-status--info {
  padding: var(--space-sm) var(--space-md);
  background: rgba(0, 113, 227, 0.08);
  border: 1px solid rgba(0, 113, 227, 0.25);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.form-status--info a { color: var(--apple-blue); text-decoration: underline; }

/* ============================================================
   14. FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
  position: relative;
}

/* Top gradient line */
.site-footer::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: var(--gradient);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand img {
  height: 32px;
  width: auto;
  margin-bottom: var(--space-md);
  opacity: 0.85;
}

.footer-brand p {
  color: var(--color-text-dim);
  font-size: var(--fs-sm);
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.footer-col ul li { margin-bottom: 0.5rem; }

.footer-col a {
  color: var(--color-text-dim);
  font-size: var(--fs-sm);
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--color-text-primary); }

.footer-col address p {
  color: var(--color-text-dim);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-xs);
  line-height: 1.65;
}

.footer-col address a { color: var(--apple-blue); }

.lang-switcher-footer {
  display: flex;
  gap: 4px;
  margin-top: var(--space-md);
}

.lang-switcher-footer a {
  display: block;
  padding: 0.25rem 0.7rem;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  color: var(--color-text-dim);
  transition: var(--transition-fast);
}

.lang-switcher-footer a:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-text-primary);
}

.lang-switcher-footer a.active {
  background: var(--apple-blue);
  color: #fff;
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-dim);
  font-size: var(--fs-sm);
}

.footer-bottom p { margin: 0; }

/* ============================================================
   15. BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: var(--z-back-top);
  width: 42px; height: 42px;
  background: rgba(0, 113, 227, 0.85);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.9);
  transition: opacity 0.3s, transform 0.3s var(--ease-spring), background 0.3s;
  box-shadow: var(--glow-blue);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  background: var(--apple-blue);
  color: #fff;
  transform: translateY(-3px) scale(1.05);
}

.back-to-top svg { width: 18px; height: 18px; }

/* ============================================================
   16. SCROLL ANIMATIONS
   ============================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for grid children */
.services-grid .service-card:nth-child(2) { transition-delay: 0.1s; }
.services-grid .service-card:nth-child(3) { transition-delay: 0.2s; }
.services-grid .service-card:nth-child(4) { transition-delay: 0.3s; }
.services-grid .service-card:nth-child(5) { transition-delay: 0.4s; }
.benefits-grid .benefit-item:nth-child(2)  { transition-delay: 0.1s; }
.benefits-grid .benefit-item:nth-child(3)  { transition-delay: 0.2s; }
.benefits-grid .benefit-item:nth-child(4)  { transition-delay: 0.3s; }
.applications-list .application:nth-child(2) { transition-delay: 0.1s; }
.applications-list .application:nth-child(3) { transition-delay: 0.2s; }
.applications-list .application:nth-child(4) { transition-delay: 0.3s; }
.stats-grid .stat-item:nth-child(2) { transition-delay: 0.1s; }
.stats-grid .stat-item:nth-child(3) { transition-delay: 0.2s; }
.stats-grid .stat-item:nth-child(4) { transition-delay: 0.3s; }

/* Prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll,
  .hero-eyebrow, .hero-headline, .hero-subline, .hero-cta-group, .hero-visual {
    opacity: 1; transform: none; transition: none; animation: none;
  }
}

/* ============================================================
   17. LEGAL PAGES
   ============================================================ */
.legal-content {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: var(--space-xl) var(--space-2xl);
  border-radius: var(--radius-xl);
  margin-top: var(--space-lg);
}

.legal-content h2 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-lg);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.legal-content h3 {
  font-size: var(--fs-lg);
  color: var(--color-text-white);
  margin: var(--space-lg) 0 var(--space-sm);
}

.legal-content p, .legal-content address {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.8;
  font-style: normal;
}

.legal-content a { color: var(--apple-blue); }

/* ============================================================
   17b. TRACKING INTRO LAYOUT
   ============================================================ */
.tracking-intro {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xl);
  align-items: start;
  margin-top: var(--space-xl);
}

.tracking-logo {
  flex-shrink: 0;
  margin: 0;
}

.tracking-logo img {
  width: 140px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   17c. TRACKING STAT CARDS (sidebar)
   ============================================================ */
.tracking-stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.tracking-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tracking-stat-card:hover {
  border-color: rgba(0,113,227,0.3);
  background: var(--glass-bg-hover);
  box-shadow: var(--glow-blue);
}

.tracking-stat-card:hover::before { opacity: 1; }

.tsc-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-sm);
}

.tsc-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tsc-dot--pulse {
  box-shadow: 0 0 0 0 currentColor;
  animation: tsc-pulse 2s ease infinite;
}

@keyframes tsc-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52,199,89,0.6); }
  70%  { box-shadow: 0 0 0 6px rgba(52,199,89,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,199,89,0); }
}

.tsc-label {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.tsc-value {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  color: var(--color-text-white);
  line-height: 1;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.3rem;
}

.tsc-value--green {
  background: linear-gradient(135deg, #34C759, #1a7a30);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tsc-sub {
  font-size: var(--fs-xs);
  color: var(--color-text-dim);
  letter-spacing: 0.02em;
}

/* ============================================================
   18. RESPONSIVE
   ============================================================ */

/* 1024px */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-copy { max-width: 100%; }
  .hero-subline { margin-left: auto; margin-right: auto; }
  .hero-cta-group { justify-content: center; }
  .hero-visual { display: none; }

  .tracking-dashboard { grid-template-columns: 1fr; }
  .tracking-sidebar { padding-top: 0; }
  .tracking-intro { grid-template-columns: 1fr; }

  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-lg);
  }
  .footer-brand { grid-column: 1 / -1; }

  .about-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item::after { display: none; }
}

/* 768px – hamburger */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(30px);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    border-bottom: 1px solid var(--color-border);
    z-index: calc(var(--z-header) - 1);
  }

  .main-nav.is-open { max-height: 400px; }

  .main-nav ul { flex-direction: column; padding: var(--space-md) 0; gap: 0; }

  .main-nav a {
    padding: 0.75rem var(--space-lg);
    font-size: var(--fs-sm);
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav a::after { display: none; }

  .quicknav-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quicknav-grid li:nth-child(2) .quicknav-card { border-right: none; }
  .quicknav-grid li:nth-child(3) .quicknav-card {
    border-right: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
  }
  .quicknav-grid li:nth-child(4) .quicknav-card {
    border-top: 1px solid var(--color-border);
    border-right: none;
  }

  .contact-grid { grid-template-columns: 1fr; gap: var(--space-xl); }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  .legal-content { padding: var(--space-lg); }
}

/* 480px */
@media (max-width: 480px) {
  .container { padding: 0 var(--space-sm); }

  .hero-cta-group { flex-direction: column; }
  .hero-cta-group .btn { text-align: center; }

  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid, .applications-list { grid-template-columns: 1fr; }
  .tracking-features ul { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }

  .back-to-top { bottom: 1rem; right: 1rem; }
}

/* ─── CUSTOMER PORTAL ──────────────────────────────────────────────────────── */
.portal-main { padding-top: 6rem; }

.portal-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
  position: relative;
}
.portal-hero::after {
  content: '';
  position: absolute; inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
}
.portal-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  letter-spacing: -0.02em;
  margin: var(--space-sm) auto var(--space-md);
  background: var(--gradient-text);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.portal-customer-name { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.portal-hero-sub {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: var(--fs-base);
  line-height: 1.6;
}
.portal-auth-error {
  max-width: 640px;
  margin: var(--space-lg) auto 0;
  background: rgba(255, 69, 58, 0.08);
  border-color: rgba(255, 69, 58, 0.3);
  color: #FF6961;
}

.portal-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
  margin-bottom: var(--space-xl);
}
.portal-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text-muted);
  font: 500 var(--fs-sm)/1 var(--font-body);
  cursor: pointer;
  transition: all 0.22s ease;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.portal-tab:hover { background: var(--glass-bg-hover); color: var(--color-text-primary); border-color: var(--color-border-light); }
.portal-tab.is-active {
  background: var(--gradient);
  border-color: transparent;
  color: var(--color-text-white);
  box-shadow: var(--glow-blue);
}
.portal-tab.is-active svg { color: var(--color-text-white); }
.portal-tab svg { color: var(--color-text-muted); transition: color 0.22s; }
.portal-tab-count {
  display: inline-block;
  min-width: 1.4rem;
  padding: 0.05rem 0.5rem;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.72rem;
  font-weight: 600;
  text-align: center;
}

.portal-panel { display: none; animation: portalFadeIn 0.35s ease-out; }
.portal-panel.is-active { display: block; }
@keyframes portalFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.form-row { display: grid; gap: var(--space-sm); margin-bottom: var(--space-sm); }
.form-row--two { grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) { .form-row--two { grid-template-columns: 1fr; } }

/* Reset the global .form-field label = position:absolute rule for portal-specific labels */
.form-field .portal-static-label,
.form-field .severity-option,
.form-field .upload-drop {
  position: static;
  top: auto;
  left: auto;
  transform: none;
  pointer-events: auto;
  font-size: var(--fs-sm);
}

.portal-static-label {
  display: block;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.portal-severity-field, .upload-field {
  display: block;
  margin-bottom: var(--space-md);
  position: relative;
}

.severity-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.severity-option {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: all 0.18s ease;
  user-select: none;
}
.severity-option input { position: absolute; opacity: 0; pointer-events: none; }
.severity-option:hover { background: var(--glass-bg-hover); color: var(--color-text-primary); }
.severity-option:has(input:checked) {
  background: rgba(0, 113, 227, 0.15);
  border-color: var(--apple-blue);
  color: var(--color-text-primary);
}
.severity-dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--apple-blue);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.18);
}
.severity--low .severity-dot      { background: var(--apple-green);  box-shadow: 0 0 0 3px rgba(52,199,89,0.18); }
.severity--medium .severity-dot   { background: var(--apple-blue);   box-shadow: 0 0 0 3px rgba(0,113,227,0.18); }
.severity--high .severity-dot     { background: var(--apple-amber);  box-shadow: 0 0 0 3px rgba(255,159,10,0.22); }
.severity--critical .severity-dot { background: #FF453A;             box-shadow: 0 0 0 3px rgba(255,69,58,0.22); }

.upload-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--space-lg) var(--space-md);
  border: 1.5px dashed var(--color-border-light);
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}
.upload-drop:hover, .upload-drop.is-dragging {
  background: var(--glass-bg-hover);
  border-color: var(--apple-blue);
  color: var(--color-text-primary);
}
.upload-drop input[type="file"] { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.upload-drop-text { font-size: var(--fs-sm); }
.upload-drop-filename { font-size: 0.78rem; color: var(--apple-blue); font-weight: 500; word-break: break-all; }

.portal-severity-field.is-hidden,
.upload-field.is-hidden { display: none; }

.portal-tickets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-md);
}
.portal-empty {
  text-align: center;
  color: var(--color-text-dim);
  padding: var(--space-2xl) var(--space-md);
  font-size: var(--fs-base);
}
.portal-empty.is-hidden { display: none; }

.ticket-card {
  position: relative;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 0.2s, transform 0.2s;
}
.ticket-card:hover { border-color: var(--color-border-light); transform: translateY(-2px); }
.ticket-card-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.ticket-type-badge {
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-pill);
  font: 600 0.68rem/1 var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ticket-type--bug     { background: rgba(255, 69, 58, 0.15); color: #FF6961; }
.ticket-type--feature { background: rgba(191, 90, 242, 0.15); color: #D78EFF; }

.severity-pill {
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: capitalize;
}
.severity-pill.severity--low      { background: rgba(52,199,89,0.15);   color: #4FD16D; }
.severity-pill.severity--medium   { background: rgba(0,113,227,0.18);   color: #5AA6F6; }
.severity-pill.severity--high     { background: rgba(255,159,10,0.18);  color: #FFB454; }
.severity-pill.severity--critical { background: rgba(255,69,58,0.18);   color: #FF6961; }

.ticket-customer { margin-left: auto; font-size: 0.75rem; color: var(--color-text-dim); }
.ticket-title { font-family: var(--font-heading); font-size: var(--fs-md); margin: 0; color: var(--color-text-primary); }
.ticket-desc {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ticket-attachments {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  font-size: 0.78rem;
}
.ticket-attachments a {
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text-muted);
  text-decoration: none;
}
.ticket-attachments a:hover { color: var(--apple-blue); border-color: var(--apple-blue); }

.ticket-card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 0.6rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.ticket-status-pill {
  padding: 0.22rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.ticket-status--open        .ticket-status-pill { background: rgba(0,113,227,0.18);  color: #5AA6F6; }
.ticket-status--in_progress .ticket-status-pill { background: rgba(255,159,10,0.18); color: #FFB454; }
.ticket-status--resolved    .ticket-status-pill { background: rgba(52,199,89,0.18);  color: #4FD16D; }
.ticket-status--wont_fix    .ticket-status-pill { background: rgba(110,110,115,0.22); color: var(--color-text-dim); }

.upvote-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text-muted);
  font: 600 0.78rem/1 var(--font-body);
  cursor: pointer;
  transition: all 0.18s ease;
}
.upvote-btn:hover { background: var(--glass-bg-hover); border-color: var(--apple-purple); color: var(--color-text-primary); }
.upvote-btn.has-voted { background: rgba(191,90,242,0.15); border-color: var(--apple-purple); color: #D78EFF; }
.upvote-btn svg { width: 12px; height: 12px; }

/* Admin dashboard tweaks */
.admin-body { background: var(--color-bg-base); min-height: 100vh; }
.admin-main { padding-top: 6rem; }
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--space-md);
}
.status-form {
  display: flex; gap: 0.4rem; flex-wrap: wrap; align-items: center;
  margin-top: 0.5rem; width: 100%;
}
.status-form select, .status-form input[type="text"] {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  font-size: var(--fs-sm);
}
.status-form input[type="text"] { flex: 1 1 200px; }
.status-form .btn { padding: 0.45rem 1rem; font-size: var(--fs-sm); }

.admin-input, .admin-select {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.7rem;
  font-size: var(--fs-sm);
  width: 100%;
  font-family: var(--font-body);
}
.admin-input:focus, .admin-select:focus {
  border-color: var(--apple-blue);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,113,227,0.12);
}

.admin-link-field {
  flex: 1 1 200px;
  min-width: 0;
  background: var(--color-bg-dark);
  color: var(--apple-blue);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.65rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
}