/* =============================================================================
   KONNARK EARTHING SOLUTIONS PVT. LTD.
   Enterprise Stylesheet — Foundation
   Version: 1.0.0
   ============================================================================= */

/* =============================================================================
   TABLE OF CONTENTS
   01. CSS Custom Properties (Design Tokens)
   02. Reset & Base
   03. Typography System
   04. Spacing & Layout System
   05. Grid System
   06. Utility Classes
   07. Buttons
   08. Cards & Glass Effects
   09. Navigation
   10. Hero Section
   11. Trust Strip
   12. Products Grid
   13. Why Choose Us
   14. Industries Section
   15. Footer
   16. Animations & Transitions
   17. Responsive Media Queries
   ============================================================================= */


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

:root {
  /* --- Color Palette --- */
  --color-bg-primary:       #090C0F;
  --color-bg-secondary:     #0D1117;
  --color-bg-tertiary:      #111820;
  --color-bg-card:          #0F1419;
  --color-surface:          #141C24;
  --color-surface-hover:    #1A2430;

  --color-accent-copper:    #E87040;
  --color-accent-copper-lt: #F0905A;
  --color-accent-copper-dk: #C05820;
  --color-accent-blue:      #1EA7FF;
  --color-accent-blue-lt:   #50BDFF;
  --color-accent-blue-dk:   #0A7FCC;

  --color-text-primary:     #F2F4F6;
  --color-text-secondary:   #8A9BAD;
  --color-text-muted:       #4A5E6E;
  --color-text-inverse:     #090C0F;

  --color-border:           rgba(255, 255, 255, 0.06);
  --color-border-accent:    rgba(232, 112, 64, 0.25);
  --color-border-blue:      rgba(30, 167, 255, 0.20);

  /* --- Glass Effect --- */
  --glass-bg:               rgba(15, 22, 31, 0.70);
  --glass-bg-light:         rgba(20, 30, 42, 0.55);
  --glass-border:           rgba(255, 255, 255, 0.07);
  --glass-blur:             20px;
  --glass-blur-sm:          12px;

  /* --- Typography --- */
  --font-display:           'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-body:              'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:              'JetBrains Mono', 'Courier New', monospace;
  --font-label:             'Barlow', 'Helvetica Neue', Arial, sans-serif;

  /* Type Scale — Major Third (1.25) */
  --text-xs:    0.64rem;   /* 10.24px */
  --text-sm:    0.80rem;   /* 12.80px */
  --text-base:  1.00rem;   /* 16px    */
  --text-md:    1.25rem;   /* 20px    */
  --text-lg:    1.563rem;  /* 25px    */
  --text-xl:    1.953rem;  /* 31px    */
  --text-2xl:   2.441rem;  /* 39px    */
  --text-3xl:   3.052rem;  /* 49px    */
  --text-4xl:   3.815rem;  /* 61px    */
  --text-5xl:   4.768rem;  /* 76px    */
  --text-6xl:   5.960rem;  /* 95px    */

  /* Line Heights */
  --lh-tight:   1.1;
  --lh-snug:    1.25;
  --lh-normal:  1.5;
  --lh-relaxed: 1.7;

  /* Letter Spacing */
  --ls-tight:   -0.03em;
  --ls-normal:  0em;
  --ls-wide:    0.05em;
  --ls-wider:   0.10em;
  --ls-widest:  0.20em;

  /* Font Weights */
  --fw-light:   300;
  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semibold:600;
  --fw-bold:    700;
  --fw-black:   900;

  /* --- Spacing Scale (8px base) --- */
  --space-1:   0.25rem;   /* 4px  */
  --space-2:   0.50rem;   /* 8px  */
  --space-3:   0.75rem;   /* 12px */
  --space-4:   1.00rem;   /* 16px */
  --space-5:   1.25rem;   /* 20px */
  --space-6:   1.50rem;   /* 24px */
  --space-8:   2.00rem;   /* 32px */
  --space-10:  2.50rem;   /* 40px */
  --space-12:  3.00rem;   /* 48px */
  --space-16:  4.00rem;   /* 64px */
  --space-20:  5.00rem;   /* 80px */
  --space-24:  6.00rem;   /* 96px */
  --space-32:  8.00rem;   /* 128px */
  --space-40:  10.00rem;  /* 160px */

  /* --- Border Radius --- */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-2xl: 24px;
  --radius-full:9999px;

  /* --- Shadows --- */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.5), 0 2px 6px rgba(0,0,0,0.3);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.6), 0 4px 12px rgba(0,0,0,0.4);
  --shadow-xl:  0 25px 60px rgba(0,0,0,0.7), 0 8px 24px rgba(0,0,0,0.5);
  --shadow-copper: 0 0 30px rgba(232, 112, 64, 0.15), 0 4px 16px rgba(232,112,64,0.10);
  --shadow-blue:   0 0 30px rgba(30, 167, 255, 0.12), 0 4px 16px rgba(30,167,255,0.08);

  /* --- Transitions --- */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* --- Layout --- */
  --container-xs:   480px;
  --container-sm:   640px;
  --container-md:   768px;
  --container-lg:   1024px;
  --container-xl:   1280px;
  --container-2xl:  1440px;
  --container-max:  1600px;

  --nav-height:     72px;
  --nav-height-sm:  60px;
  --section-py:     var(--space-24);
}


/* =============================================================================
   02. RESET & BASE
   ============================================================================= */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

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

p,
h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

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

ul, ol {
  list-style: none;
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent-copper);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--color-surface-hover);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-copper-dk);
}

/* Selection */
::selection {
  background: rgba(232, 112, 64, 0.25);
  color: var(--color-text-primary);
}


/* =============================================================================
   03. TYPOGRAPHY SYSTEM
   ============================================================================= */

/* Google Fonts import is in HTML <head> */

.display-1 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 7vw, var(--text-6xl));
  font-weight: var(--fw-black);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
}

.display-2 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 5vw, var(--text-5xl));
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
}

.heading-1 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 4vw, var(--text-4xl));
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
}

.heading-2 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-lg), 3vw, var(--text-3xl));
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
}

.heading-3 {
  font-family: var(--font-label);
  font-size: clamp(var(--text-md), 2vw, var(--text-2xl));
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
}

.body-lg {
  font-size: var(--text-md);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
}

.body-base {
  font-size: var(--text-base);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
}

.body-sm {
  font-size: var(--text-sm);
  line-height: var(--lh-normal);
  color: var(--color-text-muted);
}

.label {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-accent-copper);
}

.text-copper   { color: var(--color-accent-copper); }
.text-blue     { color: var(--color-accent-blue); }
.text-primary  { color: var(--color-text-primary); }
.text-secondary{ color: var(--color-text-secondary); }
.text-muted    { color: var(--color-text-muted); }


/* =============================================================================
   04. SPACING & LAYOUT SYSTEM
   ============================================================================= */

.section {
  padding-block: var(--section-py);
  position: relative;
}

.section--sm  { padding-block: var(--space-16); }
.section--lg  { padding-block: var(--space-32); }
.section--alt { background-color: var(--color-bg-secondary); }

.container {
  width: 100%;
  max-width: var(--container-2xl);
  margin-inline: auto;
  padding-inline: var(--space-8);
}

@media (min-width: 640px)  { .container { padding-inline: var(--space-12); } }
@media (min-width: 1024px) { .container { padding-inline: var(--space-16); } }
@media (min-width: 1440px) { .container { padding-inline: var(--space-20); } }

.section-header {
  margin-bottom: var(--space-16);
}

.section-header--center {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-label);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-accent-copper);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-accent-copper);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-md);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  max-width: 560px;
}

.section-header--center .section-subtitle {
  margin-inline: auto;
}

/* Divider */
.divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-copper), transparent);
  border-radius: var(--radius-full);
  margin-top: var(--space-4);
}
.divider--center { margin-inline: auto; }


/* =============================================================================
   05. GRID SYSTEM
   ============================================================================= */

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2  { grid-template-columns: repeat(2, 1fr); }
.grid-3  { grid-template-columns: repeat(3, 1fr); }
.grid-4  { grid-template-columns: repeat(4, 1fr); }
.grid-auto-fit-sm { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-auto-fit-md { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-auto-fit-lg { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }

.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-col    { display: flex; flex-direction: column; }
.gap-2  { gap: var(--space-2); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }


/* =============================================================================
   06. UTILITY CLASSES
   ============================================================================= */

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

.relative  { position: relative; }
.overflow-h { overflow: hidden; }
.w-full    { width: 100%; }
.h-full    { height: 100%; }
.text-center { text-align: center; }
.text-left   { text-align: left; }

/* Copper accent line */
.accent-line {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--color-accent-copper);
  vertical-align: middle;
  margin-right: var(--space-3);
  border-radius: var(--radius-full);
}

/* Separator */
.sep {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: var(--space-8);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: rgba(232, 112, 64, 0.10);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-full);
  font-family: var(--font-label);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-accent-copper);
}

.badge--blue {
  background: rgba(30, 167, 255, 0.10);
  border-color: var(--color-border-blue);
  color: var(--color-accent-blue);
}


/* =============================================================================
   07. BUTTONS
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 2rem;
  font-family: var(--font-label);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-spring);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::before  { background: rgba(255,255,255,0.06); }
.btn:active::before { background: rgba(0,0,0,0.12); }

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Primary — Copper */
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-copper), var(--color-accent-copper-dk));
  color: #fff;
  box-shadow: 0 4px 20px rgba(232, 112, 64, 0.30);
}
.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(232, 112, 64, 0.45);
}

/* Secondary — Outlined */
.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent-copper);
  color: var(--color-accent-copper);
  box-shadow: inset 0 0 20px rgba(232, 112, 64, 0.05);
}

/* Blue accent */
.btn-blue {
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-blue-dk));
  color: #fff;
  box-shadow: 0 4px 20px rgba(30, 167, 255, 0.25);
}
.btn-blue:hover {
  box-shadow: 0 6px 28px rgba(30, 167, 255, 0.40);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  color: var(--color-text-primary);
  background: var(--color-surface);
}

/* Sizes */
.btn-sm  { padding: 0.625rem 1.25rem; font-size: var(--text-xs); }
.btn-lg  { padding: 1.125rem 2.5rem; font-size: var(--text-base); }
.btn-xl  { padding: 1.25rem 3rem; font-size: var(--text-md); }

/* Icon button */
.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
}
.btn-icon:hover {
  color: var(--color-text-primary);
  border-color: var(--color-accent-copper);
  background: var(--color-surface);
  transform: translateY(-1px);
}

/* Arrow icon helper */
.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-label);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent-copper);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  transition: gap var(--transition-base), color var(--transition-base);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.btn-arrow::after {
  content: '→';
  transition: transform var(--transition-base);
}
.btn-arrow:hover {
  gap: var(--space-3);
  color: var(--color-accent-copper-lt);
}
.btn-arrow:hover::after {
  transform: translateX(4px);
}


/* =============================================================================
   08. CARDS & GLASS EFFECTS
   ============================================================================= */

/* Base card */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl), var(--shadow-copper);
  border-color: var(--color-border-accent);
}

.card-body {
  padding: var(--space-8);
}

.card-body--sm { padding: var(--space-6); }
.card-body--lg { padding: var(--space-10); }

/* Product card */
.product-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(var(--glass-blur-sm));
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  display: flex;
  flex-direction: column;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(232, 112, 64, 0.12);
  border-color: rgba(232, 112, 64, 0.30);
}

.product-card__image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-hover) 100%);
}

.product-card__image-placeholder svg {
  width: 48px;
  height: 48px;
  color: var(--color-text-muted);
  opacity: 0.4;
}

.product-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.product-card__category {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-accent-copper);
}

.product-card__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--color-text-primary);
  text-transform: uppercase;
}

.product-card__desc {
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  flex: 1;
}

.product-card__footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* Feature card (Why Choose Us) */
.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  backdrop-filter: blur(var(--glass-blur-sm));
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--color-accent-copper), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-copper);
  border-color: var(--color-border-accent);
}

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

.feature-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(232, 112, 64, 0.10);
  border: 1px solid rgba(232, 112, 64, 0.20);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-accent-copper);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.feature-card:hover .feature-card__icon {
  background: rgba(232, 112, 64, 0.18);
  border-color: rgba(232, 112, 64, 0.40);
}

.feature-card__icon svg {
  width: 24px;
  height: 24px;
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.feature-card__desc {
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
}

/* Industry card */
.industry-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  backdrop-filter: blur(var(--glass-blur-sm));
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  cursor: pointer;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
  text-decoration: none;
}

.industry-card:hover {
  transform: translateY(-4px);
  background: var(--color-surface);
  border-color: rgba(30, 167, 255, 0.25);
  box-shadow: var(--shadow-lg), var(--shadow-blue);
}

.industry-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(30, 167, 255, 0.08);
  border: 1px solid rgba(30, 167, 255, 0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-blue);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.industry-card:hover .industry-card__icon {
  background: rgba(30, 167, 255, 0.15);
  border-color: rgba(30, 167, 255, 0.30);
}

.industry-card__icon svg {
  width: 22px;
  height: 22px;
}

.industry-card__name {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.industry-card__link {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-accent-blue);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  transition: gap var(--transition-base);
}

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


/* =============================================================================
   09. NAVIGATION
   ============================================================================= */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(9, 12, 15, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
  background: rgba(9, 12, 15, 0.96);
  box-shadow: 0 4px 30px rgba(0,0,0,0.40);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-img {
  height: 40px;
  width: auto;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav__logo-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  line-height: 1;
}

.nav__logo-sub {
  font-family: var(--font-label);
  font-size: 0.55rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  line-height: 1;
}

/* Desktop Menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}

.nav__link {
  font-family: var(--font-label);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--color-text-primary);
  background: var(--color-surface);
}

.nav__link.active {
  color: var(--color-accent-copper);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-accent-copper);
  border-radius: var(--radius-full);
}

/* Nav Dropdown indicator */
.nav__link--dropdown::after {
  content: '▾';
  font-size: 0.7em;
  margin-left: var(--space-1);
  color: var(--color-text-muted);
}

/* Nav Actions */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav__search {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.nav__search:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-muted);
  background: var(--color-surface);
}
.nav__search svg {
  width: 16px;
  height: 16px;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0;
  transition: border-color var(--transition-fast);
}
.nav__hamburger:hover { border-color: var(--color-accent-copper); }

.nav__hamburger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-text-secondary);
  border-radius: var(--radius-full);
  transition:
    transform var(--transition-base),
    opacity var(--transition-base),
    background var(--transition-base);
}
.nav__hamburger:hover span { background: var(--color-text-primary); }

/* Hamburger → X */
.nav__hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile Menu Drawer */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(9, 12, 15, 0.98);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) var(--space-6) var(--space-8);
  flex-direction: column;
  gap: var(--space-2);
  z-index: 999;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
}

.nav__mobile.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nav__mobile-link {
  font-family: var(--font-label);
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  color: var(--color-text-secondary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  display: block;
}
.nav__mobile-link:hover {
  color: var(--color-text-primary);
  background: var(--color-surface);
}

.nav__mobile-cta {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}


/* =============================================================================
   10. HERO SECTION
   ============================================================================= */

.hero {
  min-height: 100vh;
  padding-top: var(--nav-height);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Ambient glow effects */
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero__glow--copper {
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(232, 112, 64, 0.12) 0%, transparent 70%);
  top: -100px;
  left: -200px;
}

.hero__glow--blue {
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(30, 167, 255, 0.08) 0%, transparent 70%);
  bottom: 0;
  right: -100px;
}

/* Grid overlay */
.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: var(--space-20);
  width: 100%;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-label);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-accent-copper);
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--color-accent-copper), transparent);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 6vw, var(--text-5xl));
  font-weight: var(--fw-black);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.hero__headline em {
  font-style: normal;
  color: var(--color-accent-copper);
  position: relative;
}

.hero__subheadline {
  font-size: clamp(var(--text-base), 1.5vw, var(--text-md));
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  max-width: 480px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.hero__stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-tight);
  color: var(--color-text-primary);
  line-height: 1;
}

.hero__stat-value span {
  color: var(--color-accent-copper);
}

.hero__stat-label {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* Hero Image Side */
.hero__visual {
  position: relative;
}

.hero__image-frame {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-primary);
  aspect-ratio: 16 / 10;
}

.hero__image-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.hero__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  background: linear-gradient(145deg, var(--color-surface) 0%, #0E1620 50%, var(--color-surface-hover) 100%);
  min-height: 400px;
}

.hero__image-placeholder-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 112, 64, 0.08);
  border: 1px dashed rgba(232, 112, 64, 0.25);
  border-radius: var(--radius-2xl);
  color: var(--color-accent-copper);
  opacity: 0.5;
}

.hero__image-placeholder-icon svg {
  width: 36px;
  height: 36px;
}

.hero__image-placeholder p {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* Decorative frame corner accents */
.hero__image-frame::before,
.hero__image-frame::after {
  content: '';
  position: absolute;
  width: 40px;
  height: 40px;
  border-style: solid;
  border-color: var(--color-accent-copper);
  z-index: 2;
  pointer-events: none;
  opacity: 0.5;
}
.hero__image-frame::before {
  top: 16px; left: 16px;
  border-width: 2px 0 0 2px;
}
.hero__image-frame::after {
  bottom: 16px; right: 16px;
  border-width: 0 2px 2px 0;
}

/* Floating badge on hero image */
.hero__badge {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 3;
}

.hero__badge-icon {
  width: 36px;
  height: 36px;
  background: rgba(232, 112, 64, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-copper);
  flex-shrink: 0;
}

.hero__badge-icon svg {
  width: 18px;
  height: 18px;
}

.hero__badge-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  color: var(--color-text-primary);
  text-transform: uppercase;
}

.hero__badge-text span {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--ls-wide);
}


/* =============================================================================
   11. TRUST STRIP
   ============================================================================= */

.trust {
  padding-block: var(--space-12);
  background: var(--color-bg-secondary);
  border-block: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.trust::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(232,112,64,0.15), transparent);
  pointer-events: none;
}

.trust__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-8);
}

.trust__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-sm));
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  white-space: nowrap;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.trust__item:hover {
  border-color: rgba(232, 112, 64, 0.25);
  background: var(--color-surface);
}

.trust__item-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-copper);
  flex-shrink: 0;
}
.trust__item-icon svg { width: 18px; height: 18px; }

.trust__item-text {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.trust__divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .trust__divider { display: none; }
}


/* =============================================================================
   12. PRODUCTS GRID
   ============================================================================= */

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}


/* =============================================================================
   13. WHY CHOOSE US
   ============================================================================= */

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}


/* =============================================================================
   14. INDUSTRIES SECTION
   ============================================================================= */

.industries {
  background: var(--color-bg-secondary);
}

.industries__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}


/* =============================================================================
   15. FOOTER
   ============================================================================= */

.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-20);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--color-border);
}

/* Footer Brand */
.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.footer__brand-logo-img {
  height: 36px;
  width: auto;
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-text-primary);
  line-height: 1;
}

.footer__brand-sub {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: 300px;
}

/* Footer socials */
.footer__socials {
  display: flex;
  gap: var(--space-3);
}

.footer__social {
  width: 36px;
  height: 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.footer__social svg { width: 15px; height: 15px; }

.footer__social:hover {
  color: var(--color-accent-copper);
  border-color: var(--color-border-accent);
  background: rgba(232, 112, 64, 0.06);
}

/* Footer Column */
.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__link::before {
  content: '';
  display: block;
  width: 12px;
  height: 1px;
  background: var(--color-text-muted);
  flex-shrink: 0;
  transition: background var(--transition-fast), width var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent-copper);
}

.footer__link:hover::before {
  background: var(--color-accent-copper);
  width: 16px;
}

/* Footer Contact */
.footer__contact-item {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer__contact-icon {
  width: 32px;
  height: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-copper);
  flex-shrink: 0;
}
.footer__contact-icon svg { width: 14px; height: 14px; }

.footer__contact-label {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.footer__contact-value {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

a.footer__contact-value:hover { color: var(--color-accent-copper); }

/* Footer Bottom */
.footer__bottom {
  padding-block: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--ls-wide);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal-link {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--ls-wide);
  transition: color var(--transition-fast);
}
.footer__legal-link:hover { color: var(--color-text-secondary); }

/* Copper rule at very bottom */
.footer__copper-rule {
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-copper), rgba(232,112,64,0.3), transparent);
}


/* =============================================================================
   16. ANIMATIONS & TRANSITIONS
   ============================================================================= */

/* Fade in */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Fade up */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Fade in left */
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Fade in right */
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Pulse glow */
@keyframes pulseGlow {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 1; }
}

/* Copper line draw */
@keyframes drawLine {
  from { width: 0; }
  to   { width: 48px; }
}

/* Reveal classes (triggered via JS IntersectionObserver) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(24px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }
.delay-5 { transition-delay: 500ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }
}


/* =============================================================================
   17. RESPONSIVE MEDIA QUERIES
   ============================================================================= */

/* --- Large Screens (1440px+) --- */
@media (min-width: 1440px) {
  :root { --section-py: var(--space-32); }
}

/* --- XL (1280px) --- */
@media (max-width: 1280px) {
  .footer__top {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: var(--space-8);
  }
}

/* --- Laptop (1024px) --- */
@media (max-width: 1024px) {
  :root { --nav-height: 64px; }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }

  .hero__subheadline {
    margin-inline: auto;
  }

  .hero__ctas {
    justify-content: center;
  }

  .hero__eyebrow {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__visual {
    max-width: 480px;
    margin-inline: auto;
  }

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
}

/* --- Tablet (768px) --- */
@media (max-width: 768px) {
  :root {
    --nav-height: var(--nav-height-sm);
    --section-py: var(--space-16);
  }

  /* Nav */
  .nav__menu { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile   { display: flex; }
  .nav__cta-desktop { display: none; }

  /* Products */
  .products__grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  /* Features */
  .features__grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Industries */
  .industries__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer */
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- Mobile L (640px) --- */
@media (max-width: 640px) {
  :root { --section-py: var(--space-12); }

  .hero__stats {
    gap: var(--space-6);
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: center;
  }

  .hero__ctas .btn { width: 100%; max-width: 320px; }

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

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

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

  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

  .trust__item {
    padding: var(--space-2) var(--space-4);
  }
}

/* --- Mobile S (480px) --- */
@media (max-width: 480px) {
  .industries__grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: var(--text-2xl);
  }
}

/* --- Small mobile (320px) --- */
@media (max-width: 380px) {
  .container { padding-inline: var(--space-4); }
  .hero__stats { flex-direction: column; align-items: center; }
}

/* --- 4K / Large displays --- */
@media (min-width: 2560px) {
  html { font-size: 20px; }
  :root {
    --container-max: 2000px;
    --container-2xl: 1800px;
    --nav-height: 88px;
  }
}