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

:root {
  --bg-hero:      #1c1917;
  --bg-dark:      #211e1c;
  --bg-light:     #f5f0ee;
  --bg-white:     #ffffff;
  --border-dark:  rgba(255,255,255,0.08);
  --border-light: #e8e0dc;
  --red:          #fe514b;
  --red-dark:     #e03530;
  --red-dim:      rgba(254,81,75,0.15);
  --red-dim2:     rgba(254,81,75,0.08);
  --text-white:   #ffffff;
  --text-light:   rgba(255,255,255,0.6);
  --text-dark:    #1a1714;
  --text-body:    #3d3530;
  --text-muted:   #8a7f7a;
  --tag-bg:       rgba(254,81,75,0.18);
  --tag-border:   rgba(254,81,75,0.35);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg-white); color: var(--text-body); line-height: 1.6; overflow-x: hidden; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4vw; height: 68px;
  background: rgba(28,25,23,0.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dark);
  transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
nav.scrolled {
  background: #ffffff;
  box-shadow: 0 2px 24px rgba(0,0,0,0.10);
  border-bottom-color: #e8e0dc;
}
nav.scrolled .nav-links a { color: var(--text-body); }
nav.scrolled .nav-links a:hover { color: var(--text-dark); }
nav.scrolled .nav-links a.active { color: var(--red); }

.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { width: 32px; height: 32px; background: var(--red); border-radius: 6px; display: flex; align-items: center; justify-content: center; }
.logo-mark svg { width: 16px; height: 16px; fill: #fff; }
.logo-name { font-size: 15px; font-weight: 700; color: #fff; letter-spacing: -0.01em; }
.logo-sub  { font-size: 9px; font-weight: 500; color: rgba(255,255,255,0.4); letter-spacing: 0.12em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 1.8rem; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a.active { color: var(--red); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.btn-nav { padding: 8px 20px; background: var(--red); color: #fff; border: none; border-radius: 50px; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; transition: background 0.2s; }
.btn-nav:hover { background: var(--red-dark); }
.nav-lang { display: flex; align-items: center; gap: 5px; padding: 6px 12px; border: 1px solid var(--border-dark); border-radius: 50px; font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.55); cursor: pointer; background: transparent; }

/* PAGE HERO (inner pages) */
.page-hero {
  padding: 130px 5vw 72px;
  background: var(--bg-hero);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 80% at 10% 50%, rgba(254,81,75,0.08) 0%, transparent 60%);
}
.page-hero-inner { position: relative; z-index: 1; max-width: 680px; }
.page-eyebrow { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--red); margin-bottom: 12px; }
.page-hero h1 { font-size: clamp(40px, 6vw, 68px); font-weight: 800; color: #fff; letter-spacing: -0.025em; line-height: 1.05; margin-bottom: 16px; }
.page-hero p  { font-size: 16px; color: rgba(255,255,255,0.55); line-height: 1.7; max-width: 500px; }

/* SECTION */
.sec { padding: 88px 5vw; }
.sec-alt { background: var(--bg-light); }
.sec-dark { background: var(--bg-hero); }

.sec-eyebrow { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--red); margin-bottom: 12px; }
.sec-title { font-size: clamp(30px, 4vw, 44px); font-weight: 800; color: var(--text-dark); letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 14px; }
.sec-title-light { color: #fff; }
.sec-desc { font-size: 15px; color: var(--text-muted); line-height: 1.75; max-width: 540px; }
.sec-desc-light { color: rgba(255,255,255,0.5); }
.sec-center { text-align: center; }
.sec-center .sec-desc { margin: 0 auto; }

/* BUTTONS */
.btn-red { display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px; background: var(--red); color: #fff; text-decoration: none; font-weight: 600; font-size: 15px; border-radius: 50px; border: none; cursor: pointer; transition: background 0.2s, transform 0.15s; }
.btn-red:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn-red svg { width: 16px; height: 16px; stroke: #fff; fill: none; stroke-width: 2; }
.btn-outline { display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px; background: transparent; color: rgba(255,255,255,0.75); text-decoration: none; font-weight: 500; font-size: 15px; border-radius: 50px; border: 1px solid rgba(255,255,255,0.2); transition: border-color 0.2s, color 0.2s; }
.btn-outline:hover { border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-outline-dark { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; background: transparent; color: var(--red); text-decoration: none; font-weight: 600; font-size: 14px; border-radius: 50px; border: 1px solid var(--red); transition: background 0.2s, color 0.2s; }
.btn-outline-dark:hover { background: var(--red); color: #fff; }

/* FOOTER */
footer { background: #1a1714; border-top: 1px solid rgba(255,255,255,0.06); padding: 56px 5vw 32px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand-desc { font-size: 14px; color: rgba(255,255,255,0.35); line-height: 1.7; margin-top: 14px; max-width: 240px; }
.footer-col-title { font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.22); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,0.42); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.22); }

/* CARD COMMON */
.card { background: var(--bg-white); border: 1px solid var(--border-light); border-radius: 16px; padding: 32px; transition: box-shadow 0.25s, transform 0.2s; }
.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.07); transform: translateY(-2px); }
.card-icon { width: 50px; height: 50px; background: #2a2320; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.card-icon svg { width: 22px; height: 22px; stroke: var(--red); fill: none; stroke-width: 1.6; }
.card h3 { font-size: 19px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; letter-spacing: -0.01em; }
.card p  { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* CHECKLIST */
.checklist { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.checklist li { display: flex; align-items: center; gap: 9px; font-size: 14px; color: var(--text-body); font-weight: 500; }
.checklist li::before { content: ''; display: inline-block; width: 18px; height: 18px; flex-shrink: 0; background: var(--red-dim2); border: 1px solid rgba(254,81,75,0.25); border-radius: 50%; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e05a4e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); background-size: 11px; background-position: center; background-repeat: no-repeat; }

/* FORM */
.form-group { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.09em; }
.form-input, .form-select, .form-textarea { background: var(--bg-light); border: 1px solid var(--border-light); border-radius: 8px; padding: 12px 14px; font-family: 'Inter', sans-serif; font-size: 14px; color: var(--text-dark); outline: none; transition: border-color 0.2s; width: 100%; }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px var(--red-dim); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 110px; }
.form-submit { padding: 13px 32px; background: var(--red); color: #fff; border: none; border-radius: 50px; font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 600; cursor: pointer; transition: background 0.2s; }
.form-submit:hover { background: var(--red-dark); }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* SCROLL ANIMATIONS */
.fade-up  { opacity: 0; transform: translateY(36px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-in  { opacity: 0; transition: opacity 0.7s ease; }
.fade-left  { opacity: 0; transform: translateX(-36px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-right { opacity: 0; transform: translateX(36px);  transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-up.visible, .fade-in.visible, .fade-left.visible, .fade-right.visible { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; }
.d5 { transition-delay: 0.40s; }
.d6 { transition-delay: 0.48s; }
.d7 { transition-delay: 0.56s; }
.d8 { transition-delay: 0.64s; }

/* WHY CHOOSE */
.why-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 3rem; }
.why-card { padding: 28px 24px; background: var(--bg-white); border: 1px solid var(--border-light); border-radius: 14px; transition: box-shadow 0.25s, transform 0.2s; }
.why-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.07); transform: translateY(-2px); }
.why-icon { width: 44px; height: 44px; background: var(--red-dim); border-radius: 11px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.why-icon svg { width: 20px; height: 20px; stroke: var(--red); fill: none; stroke-width: 1.7; }
.why-card h4 { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.why-card p  { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* PRODUCT TAGS */
.prod-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 2.5rem; }
.prod-card { display: flex; align-items: center; gap: 14px; padding: 18px 20px; background: var(--bg-white); border: 1px solid var(--border-light); border-radius: 12px; transition: border-color 0.2s, box-shadow 0.2s; }
.prod-card:hover { border-color: var(--red); box-shadow: 0 4px 16px rgba(254,81,75,0.08); }
.prod-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--red); flex-shrink: 0; }
.prod-card span { font-size: 14px; font-weight: 500; color: var(--text-dark); }

/* VISION STRIP */
.vision-strip { background: var(--bg-hero); padding: 72px 5vw; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.vision-strip h2 { font-size: clamp(28px,3.5vw,42px); font-weight: 800; color: #fff; letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 14px; }
.vision-strip p { font-size: 15px; color: rgba(255,255,255,0.55); line-height: 1.8; }
.vision-numbers { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.vn-box { padding: 28px 24px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; }
.vn-num { font-size: 40px; font-weight: 800; color: var(--red); letter-spacing: -0.02em; line-height: 1; margin-bottom: 4px; }
.vn-lbl { font-size: 12px; color: rgba(255,255,255,0.4); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; }

@media(max-width:860px) {
  .why-grid { grid-template-columns: 1fr 1fr; }
  .prod-grid { grid-template-columns: 1fr 1fr; }
  .vision-strip { grid-template-columns: 1fr; gap: 40px; }
}
