/* ============================================================
   DESIGN SYSTEM — Restaurant Feedback
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Tokens ── */
:root {
  --c-primary:   #dc2626;
  --c-primary-d: #991b1b;
  --c-primary-l: #ef4444;
  --c-primary-xl:#fef2f2;
  --c-white:     #ffffff;
  --c-bg:        #ffffff;
  --c-bg-soft:   #f8fafc;
  --c-border:    #e5e7eb;
  --c-text:      #1f2937;
  --c-text-2:    #4b5563;
  --c-text-3:    #9ca3af;

  --r-sm:  8px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-full:999px;

  --sh-sm: 0 1px 4px rgba(0,0,0,.06);
  --sh-md: 0 4px 20px rgba(0,0,0,.08);
  --sh-lg: 0 12px 48px rgba(0,0,0,.10);
  --sh-red:0 8px 32px rgba(220,38,38,.22);

  --ease:  cubic-bezier(.4,0,.2,1);
  --dur:   .22s;

  --max-w: 1200px;
  --px:    clamp(16px, 4vw, 24px);
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',system-ui,sans-serif;background:var(--c-bg);color:var(--c-text);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}

/* ── Container ── */
.wrap{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 var(--px)}

/* ── Section spacing ── */
.section{padding:96px 0}
.section-sm{padding:64px 0}

/* ── Typography helpers ── */
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-primary-xl);color:var(--c-primary);
  font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:5px 12px;border-radius:var(--r-full);border:1px solid #fecaca;
}
.section-tag{font-size:.75rem;font-weight:700;color:var(--c-primary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
.h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:900;line-height:1.12;letter-spacing:-.025em}
.h2{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;line-height:1.2;letter-spacing:-.02em}
.h3{font-size:1.1rem;font-weight:700;line-height:1.3}
.lead{font-size:1.05rem;color:var(--c-text-2);line-height:1.75}
.muted{color:var(--c-text-3);font-size:.875rem}
.grad-text{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-md);border:none;
  font-size:.9rem;font-weight:600;white-space:nowrap;
  transition:all var(--dur) var(--ease);
  -webkit-user-select:none;user-select:none;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l));color:#fff;box-shadow:var(--sh-red)}
.btn-primary:hover{background:linear-gradient(135deg,var(--c-primary-d),var(--c-primary));box-shadow:0 12px 40px rgba(220,38,38,.32);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-xl);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-white{background:#fff;color:var(--c-primary);box-shadow:0 4px 16px rgba(0,0,0,.12)}
.btn-white:hover{background:#fff5f5;transform:translateY(-1px);box-shadow:0 8px 28px rgba(0,0,0,.16)}
.btn-lg{padding:15px 32px;font-size:.975rem;border-radius:var(--r-lg)}
.btn-sm{padding:8px 16px;font-size:.82rem}
.btn-full{width:100%}
.btn:disabled{opacity:.55;pointer-events:none}

/* ── Card ── */
.card{
  background:var(--c-white);border-radius:var(--r-lg);
  border:1px solid var(--c-border);padding:28px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}

/* ── Navbar ── */
.navbar{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:900;
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);
}
.navbar.solid{
  background:rgba(255,255,255,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 1px 0 var(--c-border),var(--sh-sm);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;color:var(--c-text)}
.nav-logo{
  width:36px;height:36px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l));
  border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:1rem;box-shadow:0 2px 8px rgba(220,38,38,.28);flex-shrink:0;
}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  padding:7px 13px;border-radius:var(--r-sm);font-size:.875rem;font-weight:500;
  color:var(--c-text-2);transition:all var(--dur) var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--c-primary);background:var(--c-primary-xl)}
.nav-right{display:flex;align-items:center;gap:10px}

/* Hamburger */
.hamburger{
  display:none;flex-direction:column;gap:5px;
  padding:8px;border-radius:var(--r-sm);border:none;background:none;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--c-text);border-radius:2px;transition:all .3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile drawer */
.mobile-nav{
  display:none;position:fixed;top:64px;left:0;right:0;
  background:rgba(255,255,255,.97);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--c-border);
  padding:12px var(--px) 20px;z-index:899;
  flex-direction:column;gap:4px;box-shadow:var(--sh-lg);
}
.mobile-nav.open{display:flex}
.mobile-nav a{
  padding:11px 14px;border-radius:var(--r-md);font-size:.9rem;font-weight:500;
  color:var(--c-text-2);transition:all var(--dur) var(--ease);
}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--c-primary-xl);color:var(--c-primary)}
.mobile-nav .btn{margin-top:8px}

/* ── Page wrapper ── */
.page{padding-top:64px}

/* ── Footer ── */
.footer{background:#111827;color:rgba(255,255,255,.65);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand{display:flex;flex-direction:column;gap:14px}
.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;color:#fff}
.footer-logo-icon{
  width:34px;height:34px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l));
  border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:.95rem;
}
.footer-desc{font-size:.85rem;line-height:1.7;max-width:260px}
.footer-social{display:flex;gap:8px;margin-top:4px}
.soc{
  width:34px;height:34px;background:rgba(255,255,255,.07);border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;font-size:.85rem;
  transition:background var(--dur) var(--ease);cursor:pointer;
}
.soc:hover{background:var(--c-primary)}
.footer-col h4{font-size:.78rem;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.07em;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col ul li a{font-size:.85rem;color:rgba(255,255,255,.55);transition:color var(--dur) var(--ease)}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;
}
.footer-bottom p{font-size:.78rem}
.footer-bottom strong{color:var(--c-primary-l)}

/* ── Animations ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes scaleIn{from{transform:scale(.88);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes dotBlink{0%,100%{opacity:.4;transform:scale(1)}50%{opacity:1;transform:scale(1.35)}}
@keyframes pulseRing{0%{box-shadow:0 0 0 0 rgba(220,38,38,.4)}70%{box-shadow:0 0 0 10px rgba(220,38,38,0)}100%{box-shadow:0 0 0 0 rgba(220,38,38,0)}}

.fade-up{animation:fadeUp .5s var(--ease) both}
.fade-in{animation:fadeIn .4s var(--ease) both}
.float{animation:floatY 4s ease-in-out infinite}
.scale-in{animation:scaleIn .45s var(--ease) both}
.d1{animation-delay:.08s}.d2{animation-delay:.16s}.d3{animation-delay:.24s}
.d4{animation-delay:.32s}.d5{animation-delay:.40s}

/* Scroll reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ── Loading overlay ── */
.overlay{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);
  z-index:1000;align-items:center;justify-content:center;padding:16px;
  backdrop-filter:blur(4px);
}
.overlay.show{display:flex}
.overlay-box{
  background:#fff;border-radius:var(--r-xl);padding:40px 32px;
  text-align:center;width:100%;max-width:280px;animation:scaleIn .3s var(--ease);
}
.spinner{
  width:48px;height:48px;border:3px solid var(--c-border);border-top-color:var(--c-primary);
  border-radius:50%;animation:spin .75s linear infinite;margin:0 auto 18px;
}

/* ── Form elements ── */
.field{display:flex;flex-direction:column;gap:6px}
.label{font-size:.85rem;font-weight:600;color:var(--c-text);display:flex;align-items:center;gap:5px}
.req{color:var(--c-primary)}
.input,.select,.textarea{
  width:100%;padding:11px 14px;border:1.5px solid var(--c-border);border-radius:var(--r-md);
  font-size:.9rem;font-family:inherit;color:var(--c-text);background:#fff;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(220,38,38,.1);
}
.input.err,.select.err,.textarea.err{border-color:var(--c-primary);background:#fff5f5}
.textarea{resize:none}
.hint{font-size:.75rem;color:var(--c-text-3)}
.err-msg{font-size:.75rem;color:var(--c-primary);font-weight:600;display:none}
.err-msg.show{display:block}

/* ── Rating radio ── */
.rating-row{display:flex;gap:8px;flex-wrap:wrap}
.r-opt{display:none}
.r-lbl{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  min-width:52px;padding:9px 8px;border:1.5px solid var(--c-border);border-radius:var(--r-md);
  font-size:.78rem;font-weight:600;color:var(--c-text-3);cursor:pointer;
  transition:all var(--dur) var(--ease);-webkit-user-select:none;user-select:none;
}
.r-lbl .em{font-size:1.2rem}
.r-lbl:hover{border-color:var(--c-primary);background:var(--c-primary-xl);color:var(--c-primary)}
.r-opt:checked+.r-lbl{
  background:var(--c-primary);border-color:var(--c-primary);color:#fff;
  box-shadow:0 2px 10px rgba(220,38,38,.28);
}

/* ── Responsive ── */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .section{padding:72px 0}
  .nav-links,.nav-right .btn-outline{display:none}
  .hamburger{display:flex}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  .section{padding:56px 0}
  :root{--px:16px}
}