/* ============================================================
   DTF Roll Studio — common.css
   White-bg modern SaaS, Montserrat, GEK-X accent.
   ============================================================ */
* { margin:0; padding:0; box-sizing:border-box; }

:root {
  --bg:           #FFFFFF;
  --bg-alt:       #F5F5F7;
  --bg-soft:      #FAFAFA;
  --text:         #1d1d1f;
  --text-2:       #424245;
  --text-3:       #6e6e73;
  --text-4:       #86868B;
  --border:       #E5E5E7;
  --border-2:     #D2D2D7;
  --accent:       #FF2A2A;
  --accent-h:     #E61E1E;
  --blue:         #0A84FF;
  --green:        #00D26A;
  --orange:       #FF9F0A;
  --red:          #FF3B30;
  --shadow-sm:    0 1px 4px rgba(0,0,0,0.04);
  --shadow:       0 2px 12px rgba(0,0,0,0.06);
  --shadow-lg:    0 12px 36px rgba(0,0,0,0.08);
  --shadow-xl:    0 24px 72px rgba(0,0,0,0.12);
  --radius:       16px;
  --radius-sm:    10px;
  --radius-lg:    24px;
  --radius-pill:  100px;
  --topbar-h:     64px;
  --topbar-sub-h: 28px;
}

html { scroll-behavior:smooth; }

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: calc(var(--topbar-h) + var(--topbar-sub-h));
  min-height: 100vh;
}

a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; }
img { max-width: 100%; display: block; }

/* ============== TOPBAR ============== */
#topbar {
  position: fixed; top:0; left:0; right:0; z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 0 24px;
  height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.brand { display:flex; align-items:baseline; gap:2px; font-weight: 900; letter-spacing:-0.03em; }
.brand-mark { font-size: 18px; color: var(--text); }
.brand-tm { font-size: 10px; color: var(--accent); font-weight: 800; vertical-align: super; line-height: 1; }

.topnav { display: flex; align-items: center; gap: 28px; }
.topnav a { font-size: 14px; font-weight: 600; color: var(--text-2); transition: color .2s; }
.topnav a:hover { color: var(--text); }
.topnav a.nav-login { color: var(--text-3); }
.topnav a.nav-cta {
  background: var(--text);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.01em;
  transition: background .2s, transform .2s;
}
.topnav a.nav-cta:hover { background: var(--accent); color:#fff; transform: translateY(-1px); }

.lang-switcher { display: none; }
.lang-pills { display: flex; gap: 4px; }
.lang-pill {
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-3);
  border: 1px solid var(--border-2);
  transition: all .2s;
  cursor: pointer;
  background: transparent;
}
.lang-pill:hover { border-color: var(--text); color: var(--text); }
.lang-pill.active { background: var(--text); color: #fff; border-color: var(--text); }

.hamburger { display: none; width: 28px; height: 28px; flex-direction: column; justify-content: center; gap: 5px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 1px; transition: transform .3s; }

.topbar-sub {
  height: var(--topbar-sub-h);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.topbar-sub strong { color: var(--text-2); font-weight: 900; }
.topbar-sub .accent { color: var(--accent); font-weight: 900; }
.topbar-sub .dot { color: var(--text-4); }

/* ============== DRAWER (mobile) ============== */
.drawer {
  position: fixed;
  top: calc(var(--topbar-h) + var(--topbar-sub-h));
  right: 0; bottom: 0;
  width: 280px; max-width: 80vw;
  background: #fff;
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-xl);
  padding: 24px;
  display: flex; flex-direction: column; gap: 8px;
  transform: translateX(100%);
  transition: transform .3s ease;
  z-index: 999;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer a { padding: 14px 16px; border-radius: var(--radius-sm); font-weight: 600; font-size: 15px; }
.drawer a:hover { background: var(--bg-alt); }
.drawer a.nav-cta { background: var(--text); color: #fff; text-align: center; margin-top: 12px; }
.drawer-langs { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 6px; }
.drawer-langs button { padding: 10px 14px; text-align: left; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--text-2); }
.drawer-langs button:hover { background: var(--bg-alt); }

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--text); color: #fff; }
.btn-primary:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-h); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 36px rgba(255,42,42,0.25); }
.btn-outline { background: transparent; color: var(--text); border: 1.5px solid var(--border-2); }
.btn-outline:hover { border-color: var(--text); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-alt); color: var(--text); }
.btn-block { width: 100%; }
.btn-lg { padding: 18px 36px; font-size: 17px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn:disabled { opacity: 0.4; pointer-events: none; }

/* ============== FORM ============== */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12px; font-weight: 700; color: var(--text-3); margin-bottom: 6px; letter-spacing: 0.03em; text-transform: uppercase; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(10,132,255,0.12);
}
.field-error { color: var(--red); font-size: 12px; margin-top: 4px; font-weight: 600; }
.field-help { color: var(--text-3); font-size: 12px; margin-top: 4px; }

/* ============== CARDS ============== */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: var(--shadow); }

/* ============== TOAST ============== */
#toast-container {
  position: fixed; top: calc(var(--topbar-h) + var(--topbar-sub-h) + 16px); right: 16px;
  z-index: 2000;
  display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
}
.toast {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--green);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-lg);
  min-width: 240px; max-width: 380px;
  pointer-events: all;
  animation: toast-in .3s ease;
}
.toast.error { border-left-color: var(--red); }
.toast.warning { border-left-color: var(--orange); }
.toast.info { border-left-color: var(--blue); }
@keyframes toast-in { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }

/* ============== MODAL ============== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  z-index: 1500;
  padding: 20px;
  animation: fade-in .2s;
}
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 480px; width: 100%;
  box-shadow: var(--shadow-xl);
  animation: modal-in .3s ease;
}
.modal-title { font-size: 24px; font-weight: 900; letter-spacing: -0.02em; margin-bottom: 8px; }
.modal-text { color: var(--text-3); margin-bottom: 24px; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }

/* ============== FOOTER ============== */
#footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 60px 24px 30px;
  margin-top: 80px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-brand { margin-bottom: 48px; }
.footer-logo { font-size: 20px; font-weight: 900; letter-spacing: -0.03em; margin-bottom: 6px; }
.footer-logo .tm { font-size: 10px; color: var(--accent); font-weight: 800; vertical-align: super; line-height: 1; }
.footer-tag { color: var(--text-3); font-size: 14px; max-width: 420px; }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-bottom: 48px; }
.footer-col h4 { font-size: 12px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); margin-bottom: 14px; }
.footer-col a, .footer-col button { display: block; padding: 4px 0; font-size: 14px; color: var(--text-2); font-weight: 500; text-align: left; }
.footer-col a:hover, .footer-col button:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-3);
}
.footer-bottom strong { color: var(--text-2); }

/* ============== UTIL ============== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 920px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.section { padding: 80px 0; }
.section-title { font-size: clamp(32px, 5vw, 56px); font-weight: 900; letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 16px; }
.section-sub { font-size: clamp(16px, 1.6vw, 20px); color: var(--text-3); margin-bottom: 48px; max-width: 720px; }
.section-eyebrow { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }

.hidden { display: none !important; }
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============== RESPONSIVE ============== */
@media (max-width: 900px) {
  .footer-cols { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .topnav { display: none; }
  .hamburger { display: flex; }
  .section { padding: 56px 0; }
  body { padding-top: calc(var(--topbar-h) + var(--topbar-sub-h)); }
}
@media (max-width: 480px) {
  .topbar-inner { padding: 0 16px; gap: 12px; }
  .brand-mark { font-size: 15px; }
  .footer-cols { grid-template-columns: 1fr; }
}