/* =============================================
   HV Tech Solutions — Design System v2.0
   B2B Enterprise Premium
   ============================================= */

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #050c18;
  --color-bg-dark-alt: #0d1b3e;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-text-inverse: #ffffff;
  --color-primary: #1d4ed8;
  --color-primary-dark: #1e40af;
  --color-primary-light: #3b82f6;
  --color-accent: #F97316;
  --color-border: #e2e8f0;
  --color-border-dark: rgba(255,255,255,0.12);
  --color-surface: #ffffff;
  --color-surface-elevated: #f1f5f9;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Type scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:   0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg:   0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl:   0 20px 25px -5px rgba(0,0,0,0.12), 0 8px 10px -6px rgba(0,0,0,0.05);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 4px 20px rgba(0,0,0,0.04);

  /* Animation */
  --duration-fast:   150ms;
  --duration-base:   250ms;
  --duration-slow:   400ms;
  --duration-slower: 600ms;
  --ease-out: cubic-bezier(0.0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1280px;
  --section-padding-y: clamp(4rem, 8vw, 7rem);
  --nav-height: 72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-bg); overflow-x: hidden; line-height: 1.6; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }
::selection { background: var(--color-primary); color: #fff; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 3rem);
}
.section          { padding-block: var(--section-padding-y); }
.section-alt      { background-color: var(--color-bg-alt); }
.section-dark     { background-color: var(--color-bg-dark); color: var(--color-text-inverse); }
.section-dark-alt { background-color: var(--color-bg-dark-alt); color: var(--color-text-inverse); }

/* --- Section Header --- */
.section-header { max-width: 600px; margin-bottom: var(--space-12); }
.section-header.center { margin-inline: auto; text-align: center; max-width: 700px; }
.section-header h2 {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800; line-height: 1.15; letter-spacing: -0.03em;
  color: var(--color-text); margin-bottom: var(--space-4);
}
.section-dark .section-header h2,
.section-dark-alt .section-header h2 { color: var(--color-text-inverse); }
.section-header p { font-size: var(--text-lg); color: var(--color-text-muted); line-height: 1.7; }
.section-dark .section-header p,
.section-dark-alt .section-header p { color: rgba(255,255,255,0.7); }

/* Eyebrow */
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-primary); background: rgba(29,78,216,0.08);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); margin-bottom: var(--space-4);
}
.eyebrow.light { color: var(--color-accent); background: rgba(249,115,22,0.12); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 0.75rem 1.5rem; border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600; line-height: 1;
  transition: all var(--duration-base) var(--ease-out); white-space: nowrap; cursor: pointer;
}
.btn svg { flex-shrink: 0; transition: transform var(--duration-base) var(--ease-out); }
.btn:hover svg.arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--color-accent); color: #fff;
  border: 2px solid var(--color-accent);
  box-shadow: 0 1px 2px rgba(249,115,22,0.3);
}
.btn-primary:hover {
  background: #ea6c0a; border-color: #ea6c0a;
  transform: translateY(-1px); box-shadow: 0 6px 20px rgba(249,115,22,0.35);
}
.btn-outline {
  background: transparent; color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-1px); }
.btn-outline.light { color: #fff; border-color: rgba(255,255,255,0.3); }
.btn-outline.light:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
.btn-ghost { background: transparent; color: var(--color-primary); padding: 0.75rem 0; }
.btn-ghost:hover { gap: var(--space-3); }
.btn-lg { padding: 1rem 2rem; font-size: var(--text-base); border-radius: var(--radius-lg); }
.btn-sm { padding: 0.5rem 1rem; font-size: var(--text-xs); }
.btn-group { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }

/* --- Navigation --- */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height); display: flex; align-items: center;
  transition: background var(--duration-base) var(--ease-in-out), box-shadow var(--duration-base) var(--ease-in-out);
}
.site-nav.scrolled {
  background: rgba(255,255,255,0.96); backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px); box-shadow: 0 1px 0 var(--color-border);
}
.site-nav.nav-transparent { background: transparent; }
.nav-inner {
  width: 100%; max-width: var(--container-max); margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 3rem); display: flex; align-items: center; gap: var(--space-8);
}
.nav-logo { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.nav-logo img { height: 36px; width: auto; border-radius: 6px; transition: filter var(--duration-base) var(--ease-in-out); }
.nav-transparent.scrolled .nav-logo img { filter: invert(1); }
.nav-logo-text { font-size: var(--text-base); font-weight: 700; color: var(--color-text); letter-spacing: -0.01em; transition: color var(--duration-base) var(--ease-in-out); }
.nav-transparent .nav-logo-text { color: #fff; }
.nav-transparent.scrolled .nav-logo-text { color: var(--color-text); }
.nav-links { display: flex; align-items: center; gap: var(--space-1); flex: 1; }
.nav-link {
  position: relative; display: flex; align-items: center; gap: var(--space-1);
  padding: var(--space-2) var(--space-3); font-size: var(--text-sm); font-weight: 500;
  color: var(--color-text-muted); border-radius: var(--radius-md);
  transition: color var(--duration-fast), background var(--duration-fast);
}
.nav-link:hover, .nav-link.active { color: var(--color-text); background: var(--color-surface-elevated); }
.nav-transparent .nav-link { color: rgba(255,255,255,0.75); }
.nav-transparent .nav-link:hover, .nav-transparent .nav-link.active { color: #fff; background: rgba(255,255,255,0.1); }
.nav-transparent.scrolled .nav-link { color: var(--color-text-muted); }
.nav-transparent.scrolled .nav-link:hover { color: var(--color-text); background: var(--color-surface-elevated); }
.nav-link svg { width: 14px; height: 14px; transition: transform var(--duration-base); flex-shrink: 0; }
.nav-link:hover svg { transform: rotate(180deg); }
.nav-dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + var(--space-2));
  left: 50%; transform: translateX(-50%) translateY(-8px);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-xl);
  padding: var(--space-3); min-width: 380px;
  opacity: 0; visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), visibility var(--duration-base);
  pointer-events: none;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0); pointer-events: auto;
}
.dropdown-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-1); }
.dropdown-item {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-3); border-radius: var(--radius-lg);
  transition: background var(--duration-fast);
}
.dropdown-item:hover { background: var(--color-bg-alt); }
.dropdown-icon {
  width: 36px; height: 36px; background: rgba(29,78,216,0.08); border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--color-primary);
}
.dropdown-icon svg { width: 18px; height: 18px; }
.dropdown-item-text strong { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: 2px; }
.dropdown-item-text span { font-size: var(--text-xs); color: var(--color-text-muted); }
.nav-cta { margin-left: auto; }
.nav-mobile-btn {
  display: none; padding: var(--space-2); border-radius: var(--radius-md);
  color: var(--color-text); transition: background var(--duration-fast);
}
.nav-mobile-btn:hover { background: var(--color-surface-elevated); }
.nav-transparent .nav-mobile-btn { color: #fff; }
.nav-transparent.scrolled .nav-mobile-btn { color: var(--color-text); }
.mobile-menu {
  display: none; position: fixed; inset: 0;
  background: var(--color-bg-dark); z-index: 999; flex-direction: column;
  padding: calc(var(--nav-height) + var(--space-8)) clamp(1.5rem, 5vw, 3rem) var(--space-8);
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-nav-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) 0; font-size: var(--text-xl); font-weight: 700;
  color: var(--color-text-inverse); border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--duration-fast);
}
.mobile-nav-link:hover { color: var(--color-accent); }
.mobile-nav-solutions { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-4) 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.mobile-nav-solutions-title { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: var(--space-2); }
.mobile-solution-link { padding: var(--space-2) 0; font-size: var(--text-base); font-weight: 500; color: rgba(255,255,255,0.7); transition: color var(--duration-fast); }
.mobile-solution-link:hover { color: #fff; }
.mobile-menu-cta { margin-top: var(--space-8); }
.mobile-menu-close { position: absolute; top: 22px; right: clamp(1.5rem, 5vw, 3rem); color: rgba(255,255,255,0.6); padding: var(--space-2); }

/* --- Hero (Home) --- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  overflow: hidden; background: var(--color-bg-dark); padding-top: var(--nav-height);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg-image { width: 100%; height: 100%; object-fit: cover; opacity: 0.18; }
.hero-bg-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(5,12,24,0.98) 0%, rgba(13,27,62,0.85) 50%, rgba(5,12,24,0.95) 100%);
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero-content { position: relative; z-index: 1; width: 100%; padding: var(--space-20) 0; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: center; }
.hero-label {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-accent); margin-bottom: var(--space-6);
}
.hero-label::before { content: ''; width: 24px; height: 2px; background: var(--color-accent); }
.hero h1 {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-7xl));
  font-weight: 900; line-height: 1.05; letter-spacing: -0.04em; color: #fff; margin-bottom: var(--space-6);
}
.hero h1 .accent-word { color: var(--color-accent); }
.hero-subtitle { font-size: var(--text-lg); color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: var(--space-8); max-width: 480px; }
.hero-stats { display: flex; gap: var(--space-8); margin-top: var(--space-10); padding-top: var(--space-8); border-top: 1px solid rgba(255,255,255,0.1); }
.hero-stat-value { font-size: var(--text-2xl); font-weight: 800; color: #fff; letter-spacing: -0.02em; }
.hero-stat-label { font-size: var(--text-xs); color: rgba(255,255,255,0.5); margin-top: var(--space-1); }
.hero-visual { position: relative; }
.hero-img-wrap {
  position: relative; border-radius: var(--radius-2xl); overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}
.hero-img-wrap img { width: 100%; height: 480px; object-fit: cover; }
.hero-badge {
  position: absolute; bottom: var(--space-6); left: var(--space-6);
  background: rgba(5,12,24,0.88); backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5); display: flex; align-items: center; gap: var(--space-3);
}
.hero-badge-dot {
  width: 8px; height: 8px; background: var(--color-success); border-radius: var(--radius-full);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.2); animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(16,185,129,0.2); }
  50%       { box-shadow: 0 0 0 6px rgba(16,185,129,0.1); }
}
.hero-badge-text span { display: block; font-size: var(--text-xs); font-weight: 600; color: #fff; }
.hero-badge-text small { font-size: 10px; color: rgba(255,255,255,0.5); }

/* Page Hero (internal pages) */
.page-hero {
  background: var(--color-bg-dark);
  padding: calc(var(--nav-height) + var(--space-20)) 0 var(--space-20);
  position: relative; overflow: hidden;
}
.page-hero-bg-gradient {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(29,78,216,0.15) 0%, transparent 70%);
}
.page-hero h1 { font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl)); font-weight: 900; color: #fff; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: var(--space-4); }
.page-hero p { font-size: var(--text-xl); color: rgba(255,255,255,0.65); max-width: 600px; }
.page-hero.center { text-align: center; }
.page-hero.center p { margin-inline: auto; }

/* Breadcrumb */
.breadcrumb { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); color: rgba(255,255,255,0.45); margin-bottom: var(--space-5); }
.breadcrumb a { color: rgba(255,255,255,0.45); transition: color var(--duration-fast); }
.breadcrumb a:hover { color: rgba(255,255,255,0.8); }
.breadcrumb span { color: rgba(255,255,255,0.7); }
.breadcrumb svg { width: 14px; height: 14px; }

/* --- Cards --- */
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl); padding: var(--space-8);
  transition: box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), border-color var(--duration-base);
  box-shadow: var(--shadow-card);
}
.card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); border-color: rgba(29,78,216,0.2); }
.card-dark {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-2xl); padding: var(--space-8);
  transition: background var(--duration-base), border-color var(--duration-base);
}
.card-dark:hover { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.15); }
.card-icon {
  width: 48px; height: 48px; background: rgba(29,78,216,0.08); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary); margin-bottom: var(--space-5); flex-shrink: 0;
}
.card-icon svg { width: 24px; height: 24px; }
.card-icon.accent { background: rgba(249,115,22,0.1); color: var(--color-accent); }
.card-icon.light { background: rgba(255,255,255,0.1); color: #fff; }
.card h3 { font-size: var(--text-xl); font-weight: 700; color: var(--color-text); letter-spacing: -0.02em; margin-bottom: var(--space-3); }
.card-dark h3 { color: var(--color-text-inverse); }
.card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }
.card-dark p { color: rgba(255,255,255,0.6); }
.card-link { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); font-weight: 600; color: var(--color-primary); margin-top: var(--space-5); transition: gap var(--duration-base); }
.card-link:hover { gap: var(--space-3); }
.card-link svg { width: 16px; height: 16px; }

/* Solutions grid */
.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }

/* Feature list */
.feature-list { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-5); }
.feature-item { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); }
.feature-item svg { flex-shrink: 0; width: 18px; height: 18px; color: var(--color-success); margin-top: 1px; }

/* --- Process Steps --- */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); position: relative; }
.steps-grid::before { content: ''; position: absolute; top: 24px; left: calc(12.5% + 24px); right: calc(12.5% + 24px); height: 1px; background: var(--color-border); z-index: 0; }
.step { position: relative; z-index: 1; text-align: center; }
.step-number { width: 48px; height: 48px; background: var(--color-primary); border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-size: var(--text-base); font-weight: 700; color: #fff; margin: 0 auto var(--space-4); }
.step h4 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-2); }
.step p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* --- Stats --- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.stat-item { text-align: center; }
.stat-value { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); font-weight: 900; color: var(--color-primary); letter-spacing: -0.03em; display: block; }
.stat-label { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }
.stats-grid-light .stat-value { color: #fff; }
.stats-grid-light .stat-label { color: rgba(255,255,255,0.6); }

/* --- Testimonials --- */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.testimonial-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-2xl); padding: var(--space-8); box-shadow: var(--shadow-card); }
.testimonial-stars { display: flex; gap: var(--space-1); color: #f59e0b; margin-bottom: var(--space-4); }
.testimonial-stars svg { width: 16px; height: 16px; fill: currentColor; }
.testimonial-quote { font-size: var(--text-base); color: var(--color-text); line-height: 1.7; margin-bottom: var(--space-6); font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: var(--space-3); }
.testimonial-avatar { width: 44px; height: 44px; border-radius: var(--radius-full); overflow: hidden; background: var(--color-bg-alt); flex-shrink: 0; }
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-author strong { display: block; font-size: var(--text-sm); font-weight: 600; }
.testimonial-author span { font-size: var(--text-xs); color: var(--color-text-muted); }

/* --- Portfolio --- */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.portfolio-card { border-radius: var(--radius-2xl); overflow: hidden; background: var(--color-surface); border: 1px solid var(--color-border); box-shadow: var(--shadow-card); transition: box-shadow var(--duration-base), transform var(--duration-base); }
.portfolio-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }
.portfolio-card-img { aspect-ratio: 16/9; overflow: hidden; background: var(--color-surface-elevated); }
.portfolio-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease-out); }
.portfolio-card:hover .portfolio-card-img img { transform: scale(1.05); }
.portfolio-card-body { padding: var(--space-6); }
.portfolio-card-tag { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-primary); margin-bottom: var(--space-2); }
.portfolio-card-body h3 { font-size: var(--text-lg); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-2); }
.portfolio-card-body p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }

/* --- Team --- */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.team-card { text-align: center; }
.team-card-img { width: 120px; height: 120px; border-radius: var(--radius-full); overflow: hidden; margin: 0 auto var(--space-4); border: 3px solid var(--color-border); }
.team-card-img img { width: 100%; height: 100%; object-fit: cover; }
.team-card h3 { font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--space-1); }
.team-card .role { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-3); }

/* --- Contact Form --- */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.75rem 1rem;
  background: var(--color-surface); border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-text);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast); outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(29,78,216,0.1); }
.form-input.error, .form-textarea.error { border-color: var(--color-error); }
.form-hint { font-size: var(--text-xs); color: var(--color-text-muted); }
.form-hint.error-msg { color: var(--color-error); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-grid { display: flex; flex-direction: column; gap: var(--space-5); }
/* --- Solution Page --- */
.solution-overview { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: center; }
.solution-features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); margin-top: var(--space-8); }
.solution-feature-item { display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-4); background: var(--color-bg-alt); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.solution-feature-item svg { width: 20px; height: 20px; color: var(--color-primary); flex-shrink: 0; margin-top: 1px; }
.solution-feature-item strong { display: block; font-size: var(--text-sm); font-weight: 600; margin-bottom: var(--space-1); }
.solution-feature-item p { font-size: var(--text-xs); color: var(--color-text-muted); }
.benefit-item { display: flex; gap: var(--space-4); padding: var(--space-6) 0; border-bottom: 1px solid var(--color-border); }
.benefit-item:last-child { border-bottom: none; }
.benefit-icon { width: 44px; height: 44px; background: rgba(29,78,216,0.08); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; color: var(--color-primary); flex-shrink: 0; }
.benefit-icon svg { width: 22px; height: 22px; }
.benefit-content h4 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-1); }
.benefit-content p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* --- Values / Badges --- */
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.badge { display: inline-flex; align-items: center; padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 600; }
.badge-blue  { background: rgba(29,78,216,0.1);  color: var(--color-primary); }
.badge-teal  { background: rgba(249,115,22,0.1);  color: var(--color-accent); }
.badge-green { background: rgba(16,185,129,0.1);  color: var(--color-success); }

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-bg-dark-alt) 60%, var(--color-bg-dark) 100%);
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); font-weight: 900; color: #fff; letter-spacing: -0.03em; margin-bottom: var(--space-4); }
.cta-section p { font-size: var(--text-lg); color: rgba(255,255,255,0.65); margin-bottom: var(--space-8); max-width: 560px; }
.cta-section.center { text-align: center; }
.cta-section.center p { margin-inline: auto; }

/* --- Footer --- */
.site-footer { background: var(--color-bg-dark); color: var(--color-text-inverse); padding: var(--space-20) 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: var(--space-12); padding-bottom: var(--space-16); }
.footer-brand { max-width: 280px; }
.footer-logo { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.footer-logo img { height: 32px; }
.footer-logo-text { font-size: var(--text-base); font-weight: 700; color: #fff; }
.footer-brand p { font-size: var(--text-sm); color: rgba(255,255,255,0.55); line-height: 1.7; margin-bottom: var(--space-6); }
.footer-social { display: flex; gap: var(--space-3); }
.social-icon { width: 36px; height: 36px; border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.55); transition: border-color var(--duration-fast), color var(--duration-fast), background var(--duration-fast); }
.social-icon:hover { border-color: rgba(255,255,255,0.4); color: #fff; background: rgba(255,255,255,0.08); }
.social-icon svg { width: 16px; height: 16px; }
.footer-col h4 { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: var(--space-4); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a { font-size: var(--text-sm); color: rgba(255,255,255,0.6); transition: color var(--duration-fast); }
.footer-links a:hover { color: #fff; }
.footer-contact-item { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--text-sm); color: rgba(255,255,255,0.6); margin-bottom: var(--space-3); }
.footer-contact-item svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; color: var(--color-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: var(--space-6) 0; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.footer-bottom p { font-size: var(--text-xs); color: rgba(255,255,255,0.4); }
.footer-bottom-links { display: flex; gap: var(--space-6); }
.footer-bottom-links a { font-size: var(--text-xs); color: rgba(255,255,255,0.4); transition: color var(--duration-fast); }
.footer-bottom-links a:hover { color: rgba(255,255,255,0.7); }

/* --- Animations --- */
[data-animation="reveal"] { opacity: 0; transform: translateY(24px); }
[data-animation="reveal"].animated { opacity: 1; transform: translateY(0); transition: opacity var(--duration-slower) var(--ease-out), transform var(--duration-slower) var(--ease-out); }
[data-animation="reveal-left"] { opacity: 0; transform: translateX(-24px); }
[data-animation="reveal-left"].animated { opacity: 1; transform: translateX(0); transition: opacity var(--duration-slower) var(--ease-out), transform var(--duration-slower) var(--ease-out); }
[data-animation="reveal-right"] { opacity: 0; transform: translateX(24px); }
[data-animation="reveal-right"].animated { opacity: 1; transform: translateX(0); transition: opacity var(--duration-slower) var(--ease-out), transform var(--duration-slower) var(--ease-out); }
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 0.8s linear infinite; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .solutions-grid       { grid-template-columns: repeat(2, 1fr); }
  .steps-grid           { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before   { display: none; }
  .testimonials-grid    { grid-template-columns: repeat(2, 1fr); }
  .footer-grid          { grid-template-columns: 1fr 1fr; }
  .stats-grid           { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid       { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .nav-links, .nav-cta  { display: none; }
  .nav-mobile-btn       { display: flex; }
  .hero-inner           { grid-template-columns: 1fr; }
  .hero-visual          { display: none; }
  .solutions-grid       { grid-template-columns: 1fr; }
  .steps-grid           { grid-template-columns: 1fr; }
  .testimonials-grid    { grid-template-columns: 1fr; }
  .portfolio-grid       { grid-template-columns: 1fr; }
  .team-grid            { grid-template-columns: 1fr; }
  .footer-grid          { grid-template-columns: 1fr; }
  .form-row             { grid-template-columns: 1fr; }
  .solution-overview    { grid-template-columns: 1fr; }
  .solution-features-grid { grid-template-columns: 1fr; }
  .values-grid          { grid-template-columns: 1fr; }
  .dropdown-menu        { display: none; }
  .footer-bottom        { flex-direction: column; align-items: flex-start; }
  .hero-stats           { flex-wrap: wrap; gap: var(--space-6); }
}
@media (max-width: 480px) {
  .stats-grid  { grid-template-columns: 1fr 1fr; }
  .btn-group   { flex-direction: column; align-items: flex-start; }
}

/* Utility */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.text-center { text-align: center; }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-4  { margin-bottom: var(--space-4); }
.w-full { width: 100%; }

/* Image with border/frame */
.img-frame { border-radius: var(--radius-2xl); overflow: hidden; border: 1px solid var(--color-border); box-shadow: var(--shadow-xl); }
.img-frame img { width: 100%; height: 100%; object-fit: cover; }

/* ── Contact page ────────────────────────────────────────────────────────── */
.contact-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-16); align-items: start; }
.contact-info-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-6); margin-bottom: var(--space-5); }
.contact-info-card h3 { font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--space-5); }
.contact-step { display: flex; gap: var(--space-4); margin-bottom: var(--space-5); }
.contact-step:last-child { margin-bottom: 0; }
.contact-step-num { flex-shrink: 0; width: 36px; height: 36px; border-radius: var(--radius-full); background: var(--color-primary); color: #fff; font-size: var(--text-sm); font-weight: 700; display: flex; align-items: center; justify-content: center; }
.contact-step strong { display: block; font-size: var(--text-sm); font-weight: 600; margin-bottom: 2px; }
.contact-step p { font-size: var(--text-sm); color: var(--color-text-muted); margin: 0; }
.contact-trust { }
.trust-item { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-3); }
.trust-item:last-child { margin-bottom: 0; }
.trust-item svg { flex-shrink: 0; color: var(--color-primary); }

/* ── Form extras ─────────────────────────────────────────────────────────── */
.form-checkbox { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); cursor: pointer; line-height: 1.5; }
.form-checkbox input[type="checkbox"] { margin-top: 2px; flex-shrink: 0; }
.field-error { font-size: var(--text-xs); color: #ef4444; margin-top: var(--space-1); }
.form-input.error, .form-select.error, .form-textarea.error { border-color: #ef4444; }
.form-success { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: var(--space-16); }
.form-success.visible { display: flex; }
.form-success-icon { width: 80px; height: 80px; border-radius: var(--radius-full); background: rgba(16,185,129,0.1); display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-6); color: #10b981; }
.form-success h3 { font-size: var(--text-2xl); font-weight: 700; margin-bottom: var(--space-3); }
.form-success p { font-size: var(--text-base); color: var(--color-text-muted); max-width: 420px; }

@media (max-width: 1024px) {
  .contact-layout { grid-template-columns: 1fr; }
}