@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

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

:root {
  --bg: #f8f9fb;
  --bg-alt: #ffffff;
  --bg-card: #ffffff;
  --fg: #1a1d24;
  --fg-muted: #5a6070;
  --primary: #2a6cb6;
  --primary-hover: #1e5a9e;
  --primary-light: #e8f0fa;
  --primary-glow: rgba(42,108,182,0.08);
  --border: #dfe3ea;
  --border-hover: rgba(42,108,182,0.4);
  --destructive: #d93636;
  --success: #16a34a;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --shadow-primary: 0 4px 20px rgba(42,108,182,0.15);
  --transition: 0.3s cubic-bezier(0.22,1,0.36,1);
}

html { scroll-behavior: smooth; }
::selection { background: rgba(42,108,182,0.2); color: #1a1d24; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5,h6 { font-family: var(--font-display); line-height: 1.15; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media(min-width:1024px){ .container { padding: 0 48px; } }

/* ─── HEADER ─── */
.site-header {
  position: fixed; top:0; left:0; right:0; z-index:100;
  background: rgba(248,249,251,0.85);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  transition: all var(--transition);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.95);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.header-logo img { height: 38px; width: auto; }
@media(min-width:768px){ .header-logo img { height: 44px; } }

.nav-desktop { display: none; align-items: center; gap: 32px; }
@media(min-width:1024px){ .nav-desktop { display: flex; } }

.nav-link {
  font-size: 13px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-muted); cursor: pointer; border: none; background: none;
  transition: color var(--transition); font-family: var(--font-body); padding: 0;
  position: relative;
}
.nav-link:hover { color: var(--primary); }
.nav-link::after {
  content:''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--primary);
  transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

.header-actions { display: none; align-items: center; gap: 16px; }
@media(min-width:1024px){ .header-actions { display: flex; } }

.lang-switcher { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.lang-btn {
  padding: 6px 10px; font-size: 11px; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; border: none; cursor: pointer;
  background: transparent; color: var(--fg-muted); transition: all var(--transition);
  font-family: var(--font-body);
}
.lang-btn.active { background: var(--primary); color: #fff; }
.lang-btn:hover:not(.active) { color: var(--fg); background: var(--primary-light); }

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 24px; background: var(--primary); color: #fff;
  font-size: 13px; font-weight: 600; border-radius: var(--radius);
  border: none; cursor: pointer; letter-spacing: 0.05em;
  transition: all var(--transition); font-family: var(--font-body);
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(42,108,182,0.2); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 24px; background: transparent; color: var(--fg);
  font-size: 13px; font-weight: 600; border-radius: var(--radius);
  border: 1px solid var(--border); cursor: pointer; letter-spacing: 0.05em;
  transition: all var(--transition); font-family: var(--font-body);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

.mobile-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; background: none; border: none; cursor: pointer; color: var(--fg);
}
@media(min-width:1024px){ .mobile-toggle { display: none; } }
.mobile-toggle svg { width: 24px; height: 24px; }

.mobile-menu {
  display: none; position: fixed; top: 72px; left:0; right:0; bottom:0;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(16px);
  padding: 32px 24px; z-index: 99; flex-direction: column; gap: 16px;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link { font-size: 16px; text-align: left; padding: 12px 0; }
.mobile-menu .lang-switcher { margin-top: 8px; width: fit-content; }
.mobile-menu .btn-primary { margin-top: 12px; width: 100%; padding: 14px; }

/* ─── SECTIONS ─── */
section { padding: 96px 0; }
@media(min-width:768px){ section { padding: 120px 0; } }

.section-label {
  font-size: 12px; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 16px;
  display: inline-block; padding: 4px 12px;
  background: var(--primary-light); border-radius: 50px;
}

.section-title {
  font-size: 32px; font-weight: 700; margin-bottom: 48px;
  color: var(--fg);
}
@media(min-width:768px){ .section-title { font-size: 40px; } }
@media(min-width:1024px){ .section-title { font-size: 48px; } }

.bg-alt { background: var(--bg-alt); }

/* ─── HERO ─── */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden; padding-top: 72px; background: #1a2a3e;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay-1 {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(10,20,35,0.85), rgba(10,20,35,0.6), rgba(10,20,35,0.3));
}
.hero-overlay-2 {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,20,35,0.9), transparent 50%);
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }

.hero-badge {
  display: inline-block; padding: 8px 20px; margin-bottom: 32px;
  border: 1px solid rgba(255,255,255,0.2); border-radius: 50px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: #6db3f0;
  background: rgba(255,255,255,0.05);
}

.hero h1 {
  font-size: 36px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 24px;
  color: #ffffff;
}
@media(min-width:640px){ .hero h1 { font-size: 44px; } }
@media(min-width:768px){ .hero h1 { font-size: 52px; } }
@media(min-width:1024px){ .hero h1 { font-size: 60px; } }

.hero-sub { font-size: 17px; color: rgba(255,255,255,0.7); line-height: 1.7; margin-bottom: 40px; max-width: 600px; }
@media(min-width:768px){ .hero-sub { font-size: 19px; } }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; }
.hero .btn-primary { padding: 16px 32px; font-size: 14px; }
.hero .btn-outline { padding: 16px 32px; font-size: 14px; color: #fff; border-color: rgba(255,255,255,0.3); }
.hero .btn-outline:hover { border-color: #6db3f0; color: #6db3f0; background: rgba(109,179,240,0.1); }

.hero-line {
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(42,108,182,0.4), transparent);
}

/* ─── ABOUT ─── */
.about-text { max-width: 720px; }
.about-text p { font-size: 17px; color: var(--fg-muted); line-height: 1.8; margin-bottom: 20px; }

/* ─── SERVICES ─── */
.services-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media(min-width:640px){ .services-grid { grid-template-columns: repeat(2,1fr); } }
@media(min-width:1024px){ .services-grid { grid-template-columns: repeat(3,1fr); } }

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: all var(--transition);
  position: relative; overflow: hidden;
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-card::before {
  content:''; position: absolute; top:0; left:0; right:0; height: 3px;
  background: linear-gradient(90deg, var(--primary), #6db3f0);
  transform: scaleX(0); transition: transform 0.4s ease;
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  transition: all var(--transition);
}
.service-card:hover .service-icon { background: var(--primary); }
.service-card:hover .service-icon svg { color: #fff; }
.service-icon svg { width: 22px; height: 22px; color: var(--primary); transition: color var(--transition); }

.service-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* ─── PRODUCTS ─── */
.products-grid { display: grid; gap: 24px; grid-template-columns: 1fr; }
@media(min-width:640px){ .products-grid { grid-template-columns: repeat(2,1fr); } }
@media(min-width:1024px){ .products-grid { grid-template-columns: repeat(3,1fr); } }

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: all var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}
.product-img {
  width: 100%; height: 240px; object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-img { transform: scale(1.05); }
.product-img-wrap { overflow: hidden; position: relative; }
.product-img-wrap::after {
  content:''; position: absolute; bottom: 0; left:0; right:0; height: 60px;
  background: linear-gradient(to top, var(--bg-card), transparent);
}
.product-info { padding: 24px; }
.product-info h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.product-info p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* ─── PROCESS ─── */
.process-grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media(min-width:768px){ .process-grid { grid-template-columns: repeat(4,1fr); gap: 24px; } }

.process-step { text-align: center; position: relative; }
@media(min-width:768px){
  .process-step:not(:last-child)::after {
    content:'→'; position: absolute; top: 32px; right: -16px;
    font-size: 20px; color: var(--primary); opacity: 0.5;
  }
}
.process-step .step-num {
  font-family: var(--font-display); font-size: 48px; font-weight: 700;
  color: var(--primary-light); line-height: 1;
  background: linear-gradient(180deg, var(--primary), rgba(42,108,182,0.15));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.process-step h3 { font-size: 17px; font-weight: 600; margin: 12px 0; }
.process-step p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* ─── WHY US ─── */
.why-grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media(min-width:640px){ .why-grid { grid-template-columns: repeat(2,1fr); } }
@media(min-width:1024px){ .why-grid { grid-template-columns: repeat(5,1fr); } }

.why-item { text-align: center; }
.why-icon {
  width: 56px; height: 56px; border-radius: 16px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; transition: all var(--transition);
}
.why-item:hover .why-icon { background: var(--primary); box-shadow: var(--shadow-primary); }
.why-item:hover .why-icon svg { color: #fff; }
.why-icon svg { width: 20px; height: 20px; color: var(--primary); transition: color var(--transition); }
.why-item h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.why-item p { font-size: 13px; color: var(--fg-muted); line-height: 1.6; }

/* ─── CONTACT ─── */
.contact-grid { display: grid; gap: 48px; grid-template-columns: 1fr; }
@media(min-width:768px){ .contact-grid { grid-template-columns: 1fr 1fr; gap: 64px; } }

.contact-info-list { margin-top: 40px; display: flex; flex-direction: column; gap: 24px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 16px; font-size: 15px; }
.contact-info-item svg { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.contact-info-item a { transition: color var(--transition); }
.contact-info-item a:hover { color: var(--primary); }

.contact-form {
  background: var(--bg-card); padding: 40px; border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow-md);
}

.form-row { margin-bottom: 16px; }
.form-row.two-col { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media(min-width:480px){ .form-row.two-col { grid-template-columns: 1fr 1fr; } }

.form-input, .form-textarea {
  width: 100%; padding: 14px 16px; background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 14px; color: var(--fg); font-family: var(--font-body);
  transition: all var(--transition); outline: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: #9ca3b0; }
.form-input:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(42,108,182,0.1);
}
.form-input.error, .form-textarea.error { border-color: var(--destructive); }
.form-textarea { resize: vertical; min-height: 120px; }

.field-error { font-size: 12px; color: var(--destructive); margin-top: 4px; display: block; }

.file-upload {
  display: flex; align-items: center; gap: 12px;
  padding: 16px; border: 2px dashed var(--border); border-radius: var(--radius);
  cursor: pointer; margin-bottom: 12px; transition: all var(--transition);
  background: var(--bg);
}
.file-upload:hover { border-color: var(--primary); background: var(--primary-light); }
.file-upload svg { width: 20px; height: 20px; color: var(--primary); }
.file-upload input { display: none; }
.file-upload span { font-size: 13px; color: var(--fg-muted); }

.file-note { font-size: 12px; color: var(--fg-muted); margin-bottom: 16px; }

.consent-label {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: var(--fg-muted); cursor: pointer; margin-bottom: 8px;
}
.consent-label input { margin-top: 3px; accent-color: var(--primary); }

.form-submit { width: 100%; padding: 16px; font-size: 15px; margin-top: 8px; }

.form-alert {
  display: flex; align-items: center; gap: 12px; padding: 16px; border-radius: var(--radius);
  margin-bottom: 20px;
}
.form-alert.error-alert { background: #fef2f2; border: 1px solid #fecaca; }
.form-alert.success-alert { background: #f0fdf4; border: 1px solid #bbf7d0; }
.form-alert svg { width: 20px; height: 20px; flex-shrink: 0; }
.form-alert.error-alert svg { color: var(--destructive); }
.form-alert.success-alert svg { color: var(--success); }
.form-alert-text p:first-child { font-size: 14px; font-weight: 600; }
.form-alert-text p:last-child { font-size: 12px; opacity: 0.8; }
.form-alert.error-alert .form-alert-text { color: var(--destructive); }
.form-alert.success-alert .form-alert-text { color: var(--success); }

/* ─── COMPANY ─── */
.company-section { background: var(--bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.company-grid { display: grid; gap: 32px; margin-top: 24px; grid-template-columns: 1fr; }
@media(min-width:640px){ .company-grid { grid-template-columns: repeat(2,1fr); } }
@media(min-width:1024px){ .company-grid { grid-template-columns: repeat(4,1fr); } }
.company-grid .company-name { font-family: var(--font-display); font-weight: 700; font-size: 18px; margin-bottom: 4px; }
.company-grid p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* ─── FOOTER ─── */
.site-footer { background: #1a2030; color: #fff; padding: 64px 0 32px; }
.footer-grid { display: grid; gap: 40px; margin-bottom: 48px; grid-template-columns: 1fr; }
@media(min-width:640px){ .footer-grid { grid-template-columns: repeat(2,1fr); } }
@media(min-width:1024px){ .footer-grid { grid-template-columns: repeat(4,1fr); } }

.footer-logo img { height: 32px; width: auto; margin-bottom: 16px; filter: brightness(10); }
.footer-tagline { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; }

.footer-col h4 {
  font-size: 13px; font-family: var(--font-display); font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; color: #fff;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-link {
  font-size: 14px; color: rgba(255,255,255,0.6); background: none; border: none;
  cursor: pointer; text-align: left; padding: 0; font-family: var(--font-body);
  transition: color var(--transition); position: relative;
}
.footer-link:hover { color: #6db3f0; }
.footer-contact p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.8; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 32px; text-align: center; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.4); }

/* ─── ANIMATIONS ─── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }
.reveal-d5 { transition-delay: 0.40s; }

/* ─── SCROLL INDICATOR ─── */
.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0.6;
}
.scroll-indicator span {
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.5); font-family: var(--font-body);
}
.scroll-line {
  width: 1px; height: 40px; position: relative; overflow: hidden; background: rgba(255,255,255,0.15);
}
.scroll-line::after {
  content:''; position: absolute; top: -100%; left: 0;
  width: 1px; height: 100%; background: linear-gradient(to bottom, transparent, #6db3f0);
  animation: scroll-move 2s ease-in-out infinite;
}
@keyframes scroll-move { 0% { top: -100%; } 100% { top: 100%; } }

/* Stats bar */
.stats-bar {
  background: var(--primary); color: #fff; padding: 48px 0;
}
.stats-grid { display: grid; gap: 24px; grid-template-columns: repeat(2,1fr); text-align: center; }
@media(min-width:768px){ .stats-grid { grid-template-columns: repeat(4,1fr); } }
.stat-num { font-family: var(--font-display); font-size: 36px; font-weight: 700; }
.stat-label { font-size: 13px; opacity: 0.85; margin-top: 4px; }