/* ═══════════════════════════════════════════════════════════════
   VERONIKA KOZLOVA COSMETICS — Shared Design System
   ═══════════════════════════════════════════════════════════════ */

:root {
  --primary:            #795555;
  --primary-dark:       #6b4a4a;
  --primary-container:  #f5e8e4;
  --on-primary:         #fbf9f6;
  --secondary:          #416465;
  --secondary-container:#d4ebec;
  --accent:             #6c193e;
  --accent-dark:        #551330;
  --accent-container:   rgba(108,25,62,0.10);
  --accent-light:       rgba(108,25,62,0.06);
  --surface:            #fbf9f6;
  --surface-lowest:     #ffffff;
  --surface-low:        #f5f3f0;
  --surface-container:  #efeeeb;
  --surface-high:       #e9e8e5;
  --on-surface:         #1b1c1a;
  --on-surface-variant: #5a5a58;
  --outline-variant:    rgba(210,196,189,0.25);
  --radius:             0.375rem;
  --transition:         400ms ease-in-out;
  --font-serif:         'Noto Serif', Georgia, serif;
  --font-sans:          'Manrope', system-ui, sans-serif;
  --px:                 7rem;
  --px-m:               3rem;
  --px-s:               1.5rem;
  --inner-hero-h:       clamp(460px, 56vh, 700px);
}

/* ─── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--surface);
  color: var(--on-surface);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; width: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-sans); border: none; background: none; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ─── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding: 1.2rem var(--px);
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(251,249,246,0.84);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: padding var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  padding: 0.8rem var(--px);
  box-shadow: 0 1px 0 rgba(27,28,26,0.07);
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1rem; font-weight: 400;
  color: var(--on-surface);
  display: flex; flex-direction: column; line-height: 1.1;
}
.nav-logo .sub {
  font-size: 0.52rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent);
  font-family: var(--font-sans);
  margin-top: 2px;
}
.nav-links {
  display: flex; align-items: center; gap: 2.5rem; list-style: none;
}
.nav-links a {
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--on-surface-variant);
  transition: color var(--transition);
  position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1.5px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.nav-links a:hover { color: var(--on-surface); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--accent); }
.nav-cta {
  background: var(--accent);
  color: #fff;
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  display: inline-block;
}
.nav-cta:hover { background: var(--accent-dark); transform: translateY(-1px); }
.hamburger {
  display: none; flex-direction: column; gap: 5px; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 1px;
  background: var(--on-surface); transition: var(--transition);
}

/* ─── MOBILE MENU ── */
.mobile-menu {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(251,249,246,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  padding: 2rem var(--px-s);
  opacity: 0; pointer-events: none;
  transform: translateX(100%);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.mobile-menu.open {
  opacity: 1; pointer-events: auto; transform: translateX(0);
}
.mobile-menu-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 3rem; padding-top: 0.5rem;
}
.mobile-menu-logo {
  font-family: var(--font-serif); font-size: 1rem; font-weight: 400;
  color: var(--on-surface);
}
.mobile-menu-close {
  width: 40px; height: 40px;
  background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 0;
}
.mobile-menu-close span {
  display: block; width: 22px; height: 1px; background: var(--on-surface);
  transition: var(--transition);
}
.mobile-menu-close span:first-child { transform: rotate(45deg) translateY(0.5px); }
.mobile-menu-close span:last-child  { transform: rotate(-45deg) translateY(-0.5px); }
.mobile-nav-links {
  list-style: none; display: flex; flex-direction: column; gap: 0;
  flex: 1;
}
.mobile-nav-links li { border-bottom: 1px solid var(--outline-variant); }
.mobile-nav-links a {
  display: block;
  font-family: var(--font-serif); font-size: 2rem; font-weight: 300;
  color: var(--on-surface); padding: 1.2rem 0;
  transition: color var(--transition);
}
.mobile-nav-links a:hover, .mobile-nav-links a.active { color: var(--accent); }
.mobile-menu-footer {
  padding-top: 2rem;
  display: flex; flex-direction: column; gap: 1rem;
}
.mobile-menu-cta {
  display: block; text-align: center;
  background: var(--accent); color: #fff;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 1rem 2rem; border-radius: var(--radius);
}
.mobile-menu-sub {
  font-size: 0.7rem; font-weight: 300;
  color: var(--on-surface-variant); text-align: center;
}

/* ─── SECTION HELPERS ── */
.section-px { padding-left: var(--px); padding-right: var(--px); }
.section-label {
  font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent);
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 1.2rem;
}
.section-label::before {
  content: ''; display: inline-block;
  width: 20px; height: 1.5px; background: var(--accent);
}
.section-heading {
  font-family: var(--font-serif);
  font-weight: 300; line-height: 1.15;
  letter-spacing: -0.015em;
}
.section-heading em { font-style: italic; color: var(--accent); }

/* ─── PAGE HERO ── */
.page-hero {
  min-height: 55vh;
  display: grid; grid-template-columns: 1fr 1fr;
  overflow: hidden;
}
.page-hero-content {
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 9rem var(--px) 5rem;
  background: var(--surface);
}
.page-hero-visual { position: relative; overflow: hidden; }
.page-hero-img {
  width: 100%; height: 100%; min-height: 55vh;
  object-fit: cover;
}
.page-hero-img-placeholder {
  width: 100%; height: 100%; min-height: 55vh;
}

/* ─── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.85rem 2rem; border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), color var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.btn svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; flex-shrink: 0; }
.btn-primary { background: var(--primary); color: var(--on-primary); border: none; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; border: none; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(108,25,62,0.25); }
.btn-outline {
  background: transparent; color: var(--accent); border: none;
  box-shadow: inset 0 0 0 1.5px var(--accent);
}
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-ghost {
  background: none; color: var(--primary);
  padding: 0; font-size: 0.68rem; border: none;
}
.btn-ghost:hover { color: var(--accent); }

/* ─── FORMS ── */
.form-group { position: relative; }
.form-label {
  display: block; font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--on-surface-variant); margin-bottom: 0.75rem;
}
.form-input, .form-textarea, .form-select {
  width: 100%; background: none; border: none;
  border-bottom: 1px solid rgba(210,196,189,0.4);
  padding: 0.6rem 0;
  font-family: var(--font-sans); font-size: 0.9rem;
  font-weight: 300; color: var(--on-surface);
  outline: none; transition: border-color var(--transition);
  resize: none; appearance: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-bottom-color: var(--accent);
}

/* ─── REVEAL ── */
.reveal, .reveal-l, .reveal-r {
  opacity: 0; transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal { transform: translateY(28px); }
.reveal-l { transform: translateX(-28px); }
.reveal-r { transform: translateX(28px); }
.reveal.in, .reveal-l.in, .reveal-r.in { opacity: 1; transform: none; }

/* ─── MARQUEE ── */
.marquee-strip {
  background: var(--accent); padding: 0.85rem 0; overflow: hidden;
}
.marquee-track {
  display: flex; gap: 3rem;
  animation: marquee 28s linear infinite;
  white-space: nowrap;
}
.marquee-item {
  font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  display: flex; align-items: center; gap: 0.8rem; flex-shrink: 0;
}
.marquee-dot { width: 3px; height: 3px; border-radius: 50%; background: rgba(255,255,255,0.45); }

/* ─── FOOTER ── */
footer {
  background: var(--on-surface);
  padding: 5rem var(--px) 2.5rem;
}
.footer-top {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 4rem; margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(251,249,246,0.08);
}
.footer-logo {
  font-family: var(--font-serif); font-size: 1.1rem; font-weight: 300;
  color: rgba(251,249,246,0.9); margin-bottom: 1rem;
}
.footer-desc { font-size: 0.77rem; font-weight: 300; color: rgba(251,249,246,0.4); line-height: 1.85; }
.footer-col-title {
  font-size: 0.56rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 1.5rem;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.9rem; }
.footer-links a {
  font-size: 0.78rem; font-weight: 300; color: rgba(251,249,246,0.45);
  transition: color var(--transition);
}
.footer-links a:hover { color: rgba(251,249,246,0.85); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
}
.footer-copy { font-size: 0.64rem; color: rgba(251,249,246,0.22); }
.social-row { display: flex; gap: 1rem; }
.social-btn {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(251,249,246,0.12);
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--transition), background var(--transition);
}
.social-btn:hover { border-color: var(--accent); background: rgba(108,25,62,0.15); }
.social-btn svg { width: 14px; height: 14px; stroke: rgba(251,249,246,0.5); fill: none; stroke-width: 1.5; }

/* ─── FAB ── */
.fab {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 150;
  background: var(--accent); color: #fff;
  font-size: 0.64rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.85rem 1.6rem; border-radius: var(--radius);
  display: flex; align-items: center; gap: 0.6rem;
  box-shadow: 0 4px 30px rgba(108,25,62,0.3);
  opacity: 0; transform: translateY(16px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}
.fab.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.fab:hover { box-shadow: 0 8px 40px rgba(108,25,62,0.45); transform: translateY(-2px); }
.fab svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ─── ANIMATIONS ── */
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes bounceY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(7px); } }

/* ─── RESPONSIVE ── */
@media (max-width: 1100px) {
  :root { --px: var(--px-m); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .page-hero { grid-template-columns: 1fr; }
  .page-hero-visual { min-height: 50vw; max-height: 60vh; }
  .page-hero-content { padding-top: 8rem; padding-bottom: 4rem; }
}
@media (max-width: 768px) {
  :root { --px: var(--px-s); }
  .nav { padding: 1rem var(--px-s); }
  .nav.scrolled { padding: 0.75rem var(--px-s); }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .footer-top { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}