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

:root {
  --color-primary: #0a0a0a;
  --color-accent:  #0057ff;
  --color-bg:      #ffffff;
  --color-text:    #1a1a1a;
  --color-muted:   #666666;
  --font-main:     'Inter', system-ui, sans-serif;
  --max-width:     1100px;
  --section-gap:   6rem;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-main); color: var(--color-text); background: var(--color-bg); }

/* === NAV === */
header { position: sticky; top: 0; background: var(--color-bg); border-bottom: 1px solid #eee; z-index: 100; }
nav { max-width: var(--max-width); margin: auto; padding: 1rem 2rem; display: flex; align-items: center; gap: 2rem; }
nav .logo { font-weight: 700; font-size: 1.2rem; text-decoration: none; color: var(--color-primary); margin-right: auto; }
nav ul { list-style: none; display: flex; gap: 1.5rem; }
nav ul a { text-decoration: none; color: var(--color-muted); font-size: 0.95rem; }
nav ul a:hover { color: var(--color-accent); }
#lang-toggle { background: none; border: 1px solid var(--color-accent); color: var(--color-accent); padding: 0.3rem 0.7rem; border-radius: 4px; cursor: pointer; font-size: 0.85rem; }

/* === SECTIONS === */
section { max-width: var(--max-width); margin: auto; padding: var(--section-gap) 2rem; }
section h2 { font-size: 2rem; margin-bottom: 2rem; }

/* === HERO === */
#hero { text-align: center; padding-top: 8rem; padding-bottom: 8rem; }
#hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; }
#hero p  { font-size: 1.2rem; color: var(--color-muted); margin-bottom: 2rem; }

/* === BUTTON === */
.btn { display: inline-block; background: var(--color-accent); color: #fff; padding: 0.8rem 2rem; border-radius: 6px; text-decoration: none; font-weight: 600; }
.btn:hover { opacity: 0.85; }

/* === SERVICES GRID === */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }

/* === CONTACT FORM === */
#contact form { display: flex; flex-direction: column; gap: 1rem; max-width: 560px; }
#contact input, #contact textarea { padding: 0.8rem 1rem; border: 1px solid #ddd; border-radius: 6px; font-size: 1rem; font-family: inherit; }
#contact textarea { min-height: 140px; resize: vertical; }
#contact button { align-self: flex-start; background: var(--color-accent); color: #fff; border: none; padding: 0.8rem 2rem; border-radius: 6px; font-size: 1rem; cursor: pointer; font-weight: 600; }
#contact button:hover { opacity: 0.85; }

/* === FOOTER === */
footer { text-align: center; padding: 2rem; color: var(--color-muted); font-size: 0.9rem; border-top: 1px solid #eee; }