static/style.css

/* ═══════════════════════════════════════════════════════

   NutriVision — Redesigned Stylesheet

   Theme: Soft Wellness — Sky Blue + Mint + White

   Fonts: Plus Jakarta Sans (headings) + Nunito (body)

   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Nunito:wght@300;400;500;600;700&display=swap');

/* ── DESIGN TOKENS ── */
:root {
  --bg:          #f0f7ff;
  --bg-white:    #ffffff;
  --bg-card:     #ffffff;
  --bg-card2:    #f5faff;
  --bg-section:  #e8f4fd;

  --blue:        #3b9eff;
  --blue-d:      #1a7de0;
  --blue-l:      #e0f0ff;
  --blue-g:      linear-gradient(135deg, #3b9eff 0%, #5bc4f5 100%);

  --mint:        #2ecb8e;
  --mint-l:      #e0f9f0;
  --mint-g:      linear-gradient(135deg, #2ecb8e 0%, #3bdfaa 100%);

  --peach:       #ff7e5f;
  --peach-l:     #fff0ec;
  --gold:        #f59e0b;
  --gold-l:      #fef3c7;
  --purple:      #8b5cf6;
  --purple-l:    #ede9fe;

  --text:        #1a2332;
  --text-2:      #374151;
  --sub:         #6b7280;
  --muted:       #9ca3af;
  --border:      #e2ecf5;
  --border2:     #c8dff0;

  --shadow-sm:   0 1px 3px rgba(59,158,255,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow:      0 4px 16px rgba(59,158,255,.12), 0 2px 8px rgba(0,0,0,.06);
  --shadow-lg:   0 12px 40px rgba(59,158,255,.18), 0 4px 16px rgba(0,0,0,.08);
  --glow-blue:   0 0 32px rgba(59,158,255,.25);
  --glow-mint:   0 0 32px rgba(46,203,142,.22);

  --r-xs:  6px;
  --r-sm:  10px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-2xl: 36px;

  --fh: 'Plus Jakarta Sans', sans-serif;
  --fb: 'Nunito', sans-serif;
  --ease: cubic-bezier(.4,0,.2,1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--fb);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
input, select, button, textarea { font-family: inherit; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; opacity: .5; }

/* ── CONTAINER ── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }

/* ══════════════════════════════════

   NAVIGATION

   ══════════════════════════════════ */
.nav {
  position: sticky; top: 0; z-index: 900;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.nav__inner {
  max-width: 1180px; margin: 0 auto;
  padding: .9rem 1.5rem;
  display: flex; align-items: center; gap: 1.5rem;
}
.nav__logo { display: flex; align-items: center; gap: .55rem; flex-shrink: 0; }
.logo-icon {
  font-size: 1.5rem; display: inline-block;
  animation: float 3s ease-in-out infinite;
}
.logo-text {
  font-family: var(--fh); font-size: 1.25rem; font-weight: 800;
  background: var(--blue-g);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav__links { display: flex; gap: 2rem; margin-left: auto; }
.nav__link {
  font-family: var(--fh); font-size: .88rem; font-weight: 600;
  color: var(--sub); transition: color .2s; position: relative; padding-bottom: 2px;
}
.nav__link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--blue);
  border-radius: 2px; transition: width .3s var(--ease);
}
.nav__link:hover, .nav__link--active { color: var(--blue); }
.nav__link:hover::after, .nav__link--active::after { width: 100%; }
.nav__cta { margin-left: 1.25rem; flex-shrink: 0; }

/* hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: .3rem; margin-left: auto;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px; transition: .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  display: none; flex-direction: column;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: .75rem 1.5rem 1.25rem; gap: .15rem;
  box-shadow: var(--shadow);
}
.mobile-menu.open { display: flex; }
.mobile-link {
  padding: .75rem .9rem; color: var(--sub); font-weight: 600;
  border-radius: var(--r-sm); transition: .2s; font-family: var(--fh); font-size: .9rem;
}
.mobile-link:hover { color: var(--blue); background: var(--blue-l); }
.mobile-link.highlight { color: var(--blue); font-weight: 700; }

/* ══════════════════════════════════

   BUTTONS

   ══════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .75rem 1.6rem;
  border-radius: var(--r-md); font-family: var(--fh); font-weight: 700; font-size: .9rem;
  cursor: pointer; border: none; transition: all .22s var(--ease);
  white-space: nowrap; line-height: 1;
}
.btn--primary {
  background: var(--blue-g); color: #fff;
  box-shadow: 0 4px 14px rgba(59,158,255,.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(59,158,255,.45); }
.btn--outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn--outline:hover { background: var(--blue-l); }
.btn--ghost-sm {
  background: transparent; color: var(--sub);
  border: 1.5px solid var(--border2); font-size: .85rem; padding: .5rem 1rem;
}
.btn--ghost-sm:hover { color: var(--blue); border-color: var(--blue); background: var(--blue-l); }
.btn--sm { padding: .5rem 1.1rem; font-size: .82rem; }
.btn--lg { padding: 1rem 2.4rem; font-size: 1rem; border-radius: var(--r-lg); }
.btn--full { width: 100%; margin-top: 1.5rem; padding: 1rem; font-size: .95rem; border-radius: var(--r-md); }

.btn-spinner {
  width: 17px; height: 17px;
  border: 2.5px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ══════════════════════════════════

   BACKGROUND / DECORATIVE BLOBS

   ══════════════════════════════════ */
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none;
}
.orb--a {
  width: 500px; height: 500px; opacity: .18;
  background: radial-gradient(circle, #3b9eff, transparent 70%);
  top: -150px; right: 5%;
  animation: drift 9s ease-in-out infinite alternate;
}
.orb--b {
  width: 380px; height: 380px; opacity: .14;
  background: radial-gradient(circle, #2ecb8e, transparent 70%);
  bottom: -80px; left: -5%;
  animation: drift 12s ease-in-out infinite alternate-reverse;
}
.orb--c {
  width: 300px; height: 300px; opacity: .12;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  top: 40%; left: 42%;
  animation: drift 15s ease-in-out infinite alternate;
}
.grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(59,158,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,158,255,.06) 1px, transparent 1px);
  background-size: 52px 52px; opacity: .7;
}

/* ══════════════════════════════════

   HERO

   ══════════════════════════════════ */
.hero {
  position: relative; min-height: calc(100vh - 62px);
  display: flex; align-items: center; overflow: hidden;
  background: linear-gradient(160deg, #f0f8ff 0%, #e4f3fe 50%, #edfaf4 100%);
}
.hero__bg { position: absolute; inset: 0; }
.hero__body {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center; padding: 4rem 0;
  position: relative; z-index: 2;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(59,158,255,.1);
  border: 1px solid rgba(59,158,255,.25);
  color: var(--blue); font-size: .8rem; font-weight: 700;
  font-family: var(--fh);
  padding: .38rem 1rem; border-radius: 100px; margin-bottom: 1.5rem;
}
.pulse-dot {
  width: 7px; height: 7px; background: var(--mint);
  border-radius: 50%; flex-shrink: 0;
  animation: pulse-ring 2s ease-in-out infinite;
}
.hero__title {
  font-family: var(--fh);
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  font-weight: 800; line-height: 1.1; letter-spacing: -.025em;
  color: var(--text); margin-bottom: 1.25rem;
}
.hero__title em {
  font-style: normal;
  background: var(--blue-g);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__desc {
  color: var(--sub); font-size: 1.05rem; line-height: 1.8;
  margin-bottom: 2rem; max-width: 480px;
}
.hero__btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero__stats { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.hstat { display: flex; flex-direction: column; gap: .15rem; }
.hstat b {
  font-family: var(--fh); font-size: 1.9rem; font-weight: 800;
  color: var(--blue); line-height: 1;
}
.hstat sup { font-size: 1rem; color: var(--mint); font-weight: 700; }
.hstat span { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .07em; font-weight: 600; }
.hstat-sep { width: 1px; height: 38px; background: var(--border2); }

/* ORBIT */
.hero__right { display: flex; justify-content: center; align-items: center; }
.orbit-wrap { position: relative; width: 340px; height: 340px; flex-shrink: 0; }
.orbit-core {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, #fff 0%, #e8f4ff 100%);
  border: 2px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; box-shadow: var(--shadow-lg); z-index: 2;
}
.orbit {
  position: absolute; top: 50%; left: 50%;
  border-radius: 50%; border: 1.5px dashed var(--border2);
}
.orbit--1 { width: 200px; height: 200px; transform: translate(-50%,-50%); animation: spin-cw 10s linear infinite; }
.orbit--2 { width: 320px; height: 320px; transform: translate(-50%,-50%); animation: spin-ccw 16s linear infinite; }
.orb-food { position: absolute; font-size: 1.65rem; top: 50%; left: 50%; }

/* ── MARQUEE ── */
.marquee-outer {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-white); padding: .65rem 0;
}
.marquee-inner { display: flex; }
.marquee-track {
  display: flex; gap: 2.5rem; white-space: nowrap;
  animation: marquee 30s linear infinite;
}
.marquee-track span {
  color: var(--sub); font-size: .86rem; font-weight: 600;
  font-family: var(--fh); padding: .1rem .4rem; flex-shrink: 0;
}

/* ══════════════════════════════════

   SECTIONS

   ══════════════════════════════════ */
.section { padding: 5rem 0; }
.bg-card { background: var(--bg-white); }
.bg-section { background: var(--bg-section); }

.section-head { text-align: center; margin-bottom: 3.5rem; }
.tag {
  display: inline-block;
  background: var(--blue-l);
  border: 1px solid rgba(59,158,255,.3);
  color: var(--blue); font-family: var(--fh); font-size: .74rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .28rem .9rem; border-radius: 100px; margin-bottom: .9rem;
}
.section-head h2 {
  font-family: var(--fh);
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 800; letter-spacing: -.02em; color: var(--text);
}

/* ── HOW IT WORKS ── */
.how-grid {
  display: flex; align-items: center; justify-content: center;
  gap: 1.5rem; flex-wrap: wrap;
}
.how-card {
  background: var(--bg-white); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 2.1rem 1.75rem;
  max-width: 250px; flex: 1; min-width: 190px; text-align: center;
  transition: all .3s var(--ease); box-shadow: var(--shadow-sm);
}
.how-card:hover {
  border-color: var(--blue); transform: translateY(-6px); box-shadow: var(--shadow-lg);
}
.how-num {
  font-family: var(--fh); font-size: 2.6rem; font-weight: 800;
  background: var(--blue-g);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1; margin-bottom: .5rem;
}
.how-icon { font-size: 2.2rem; margin-bottom: .75rem; }
.how-card h3 { font-family: var(--fh); font-size: 1rem; font-weight: 700; margin-bottom: .45rem; color: var(--text); }
.how-card p { color: var(--sub); font-size: .87rem; line-height: 1.65; }
.how-arrow { font-size: 1.6rem; color: var(--blue); flex-shrink: 0; opacity: .5; }

/* ── FEATURES ── */
.feat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 1.4rem;
}
.feat-card {
  background: var(--bg-white); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 1.8rem;
  transition: all .3s var(--ease); box-shadow: var(--shadow-sm);
}
.feat-card:hover { border-color: var(--blue); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feat-card--big { grid-column: span 2; }
.feat-icon { font-size: 2.2rem; margin-bottom: 1rem; }
.feat-card h3 { font-family: var(--fh); font-size: 1.05rem; font-weight: 700; margin-bottom: .5rem; color: var(--text); }
.feat-card p { color: var(--sub); font-size: .88rem; line-height: 1.68; }
.feat-tags { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.feat-tags span {
  background: var(--blue-l); color: var(--blue);
  font-size: .74rem; font-weight: 700; font-family: var(--fh); padding: .25rem .7rem;
  border-radius: 100px; border: 1px solid rgba(59,158,255,.25);
}

/* ── MODEL CARDS ── */
.model-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.4rem;
}
.model-card {
  background: var(--bg-white); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 1.8rem; text-align: center;
  transition: all .3s var(--ease); box-shadow: var(--shadow-sm);
}
.model-card:hover { border-color: var(--blue); transform: translateY(-4px); box-shadow: var(--shadow); }
.model-card--gold { border-color: rgba(245,158,11,.3); background: linear-gradient(135deg, #fffbeb, #fff9e8); }
.model-card--gold:hover { border-color: var(--gold); box-shadow: 0 8px 28px rgba(245,158,11,.18); }
.model-badge {
  display: inline-block; background: var(--blue-l); color: var(--blue);
  font-family: var(--fh); font-size: .72rem; font-weight: 700; padding: .22rem .75rem;
  border-radius: 100px; margin-bottom: 1rem; letter-spacing: .04em;
}
.model-badge--gold { background: var(--gold-l); color: var(--gold); }
.model-icon { font-size: 2.4rem; margin-bottom: .75rem; }
.model-card h4 { font-family: var(--fh); font-size: .98rem; font-weight: 700; margin-bottom: .45rem; color: var(--text); }
.model-card p { color: var(--sub); font-size: .86rem; line-height: 1.6; }
.model-pill {
  display: inline-block; margin-top: 1rem;
  background: var(--bg-section); border: 1px solid var(--border2);
  color: var(--sub); font-family: var(--fh); font-size: .76rem; font-weight: 700;
  padding: .25rem .8rem; border-radius: 100px;
}

/* ── CTA BLOCK ── */
.cta-block {
  background: linear-gradient(135deg, #3b9eff 0%, #2ecb8e 100%);
  border-radius: var(--r-2xl); padding: 4.5rem 2rem;
  text-align: center; position: relative; overflow: hidden;
  box-shadow: 0 16px 48px rgba(59,158,255,.3);
}
.cta-glow {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 280px;
  background: radial-gradient(ellipse, rgba(255,255,255,.18) 0%, transparent 70%);
  pointer-events: none;
}
.cta-block h2 {
  font-family: var(--fh); font-size: 2.2rem; font-weight: 800;
  margin-bottom: .75rem; position: relative; color: #fff;
}
.cta-block p { color: rgba(255,255,255,.85); font-size: 1.05rem; margin-bottom: 2rem; position: relative; }
.cta-block .btn--primary {
  background: #fff; color: var(--blue);
  box-shadow: 0 4px 18px rgba(0,0,0,.15);
}
.cta-block .btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,.2); }

/* ══════════════════════════════════

   FOOTER

   ══════════════════════════════════ */
.footer { background: var(--text); border-top: 1px solid rgba(255,255,255,.07); padding: 3.5rem 0 1.5rem; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem; margin-bottom: 2.5rem;
}
.footer .logo-text {
  background: var(--blue-g);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-links { display: flex; flex-direction: column; gap: .6rem; }
.footer-links h5 {
  font-family: var(--fh); font-size: .76rem; text-transform: uppercase;
  letter-spacing: .09em; color: rgba(255,255,255,.4); margin-bottom: .5rem;
}
.footer-links a { color: rgba(255,255,255,.55); font-size: .88rem; transition: color .2s; }
.footer-links a:hover { color: var(--blue); }
.footer-links span { color: rgba(255,255,255,.35); font-size: .85rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 1.5rem;
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 1rem;
}
.footer-bottom p { color: rgba(255,255,255,.3); font-size: .82rem; }

/* ══════════════════════════════════

   PAGE HERO

   ══════════════════════════════════ */
.page-hero {
  position: relative; overflow: hidden;
  padding: 4rem 0 3rem;
  background: linear-gradient(160deg, #f0f8ff 0%, #e6f4fe 100%);
}
.page-title {
  font-family: var(--fh);
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  font-weight: 800; margin-bottom: .75rem; color: var(--text);
}
.page-sub { color: var(--sub); font-size: 1rem; max-width: 580px; margin: 0 auto; line-height: 1.7; }

/* ══════════════════════════════════

   ANALYZER PAGE

   ══════════════════════════════════ */
.page-wrap { min-height: calc(100vh - 62px); display: flex; flex-direction: column; }

.analyzer-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2.5rem; padding: 2.5rem 0 5rem;
  align-items: start;
}

/* FORM CARD */
.form-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-2xl);
  padding: 2rem;
  position: sticky; top: 80px;
  box-shadow: var(--shadow);
}

/* UPLOAD ZONE */
.upload-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--r-xl);
  min-height: 190px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; position: relative; overflow: hidden;
  transition: all .25s var(--ease);
  background: var(--bg-section);
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--blue);
  background: var(--blue-l);
}
.upload-placeholder { text-align: center; padding: 2rem; pointer-events: none; }
.upload-icon-wrap { font-size: 2.6rem; margin-bottom: .6rem; }
.upload-placeholder h3 {
  font-family: var(--fh); font-size: 1.05rem;
  font-weight: 700; margin-bottom: .4rem; color: var(--text);
}
.upload-placeholder p { color: var(--muted); font-size: .83rem; }
.upload-preview {
  width: 100%; padding: 1rem;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.upload-preview img {
  max-height: 250px; object-fit: contain;
  border-radius: var(--r-lg); margin: 0 auto; box-shadow: var(--shadow-sm);
}
.remove-btn {
  position: absolute; top: .75rem; right: .75rem;
  width: 30px; height: 30px; border-radius: 50%;
  background: #ff6b6b; color: #fff;
  border: none; font-size: .9rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 2px 8px rgba(255,107,107,.35);
}
.remove-btn:hover { transform: scale(1.15); box-shadow: 0 4px 14px rgba(255,107,107,.45); }

/* PROFILE BLOCK */
.profile-block { margin-top: 1.75rem; }
.block-title {
  font-family: var(--fh); font-size: .95rem; font-weight: 700;
  margin-bottom: 1.2rem; color: var(--text);
  display: flex; align-items: center; gap: .5rem;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.field { display: flex; flex-direction: column; gap: .35rem; }
.field label {
  font-family: var(--fh); font-size: .75rem; font-weight: 700; color: var(--sub);
  text-transform: uppercase; letter-spacing: .06em;
}
.field input, .field select {
  background: var(--bg-section);
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  padding: .62rem .9rem;
  color: var(--text); font-size: .92rem; font-family: var(--fb);
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none; appearance: none;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,158,255,.14);
  background: var(--bg-white);
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239ca3af' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .85rem center;
  padding-right: 2.4rem; background-color: var(--bg-section);
}
.field input[type=number] { -moz-appearance: textfield; }
.field input[type=number]::-webkit-inner-spin-button,
.field input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; }

/* ══════════════════════════════════

   RESULTS PANEL

   ══════════════════════════════════ */
.results-panel { display: flex; flex-direction: column; gap: 1.1rem; }

/* DETECTED FOOD BANNER */
.result-banner {
  background: linear-gradient(135deg, #3b9eff 0%, #2ecb8e 100%);
  border-radius: var(--r-xl);
  padding: 1.6rem 1.85rem;
  display: flex; align-items: center; gap: 1.4rem;
  box-shadow: 0 8px 28px rgba(59,158,255,.28);
}
.result-banner__icon { font-size: 2.6rem; flex-shrink: 0; }
.result-banner__label {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .08em;
  color: rgba(255,255,255,.75); font-family: var(--fh); font-weight: 700; margin-bottom: .2rem;
}
.result-banner h2 {
  font-family: var(--fh); font-size: 1.6rem; font-weight: 800;
  color: #fff; margin: .1rem 0 .55rem; line-height: 1.2;
}
.result-banner__meta { display: flex; gap: .5rem; flex-wrap: wrap; }
.confidence-chip, .source-chip {
  font-size: .74rem; font-weight: 700; font-family: var(--fh);
  padding: .22rem .65rem; border-radius: 100px;
  background: rgba(255,255,255,.22); color: #fff;
}

/* BMI STRIP */
.bmi-strip {
  background: var(--bg-white); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); padding: 1.1rem 1.5rem;
  display: flex; align-items: center; gap: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.bmi-item { display: flex; flex-direction: column; gap: .15rem; }
.bmi-label {
  font-family: var(--fh); font-size: .72rem; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .06em;
}
.bmi-val { font-family: var(--fh); font-size: 1.55rem; font-weight: 800; color: var(--blue); line-height: 1; }
.bmi-cat { font-family: var(--fh); font-size: .92rem; font-weight: 700; color: var(--text); }
.bmi-sep { width: 1px; height: 38px; background: var(--border); }

/* RESULT CARDS */
.result-card {
  background: var(--bg-white); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 1.4rem 1.6rem;
  animation: slide-up .35s var(--ease) both;
  box-shadow: var(--shadow-sm);
}
.result-card--amber { border-left: 3px solid var(--gold); background: linear-gradient(to right, #fffbeb, var(--bg-white)); }
.result-card--pink  { border-left: 3px solid var(--peach); background: linear-gradient(to right, #fff5f3, var(--bg-white)); }
.result-card--teal  { border-left: 3px solid var(--mint); background: linear-gradient(to right, #f0fdf8, var(--bg-white)); }
.result-card__title {
  font-family: var(--fh); font-size: .95rem; font-weight: 700; color: var(--text);
  margin-bottom: 1rem; display: flex; align-items: center; gap: .45rem;
}

/* NUTRITION GRID */
.nutrition-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(115px, 1fr)); gap: .65rem;
}
.nutri-item {
  background: var(--bg-section); border: 1.5px solid var(--border);
  border-radius: var(--r-md); padding: .85rem .8rem;
  text-align: center; transition: all .2s;
}
.nutri-item:hover { border-color: var(--blue); background: var(--blue-l); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.nutri-val { font-family: var(--fh); font-size: 1rem; font-weight: 800; color: var(--blue); margin-bottom: .2rem; }
.nutri-label { font-family: var(--fh); font-size: .7rem; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }

/* HEALTH BENEFITS */
.benefits-list { display: flex; flex-direction: column; gap: .5rem; }
.benefits-list li {
  display: flex; align-items: flex-start; gap: .65rem;
  padding: .65rem .9rem;
  background: var(--mint-l);
  border-radius: var(--r-sm);
  border: 1px solid rgba(46,203,142,.2);
  color: var(--text-2); font-size: .9rem; line-height: 1.55;
}
.benefits-list li::before { content: "✓"; color: var(--mint); font-weight: 800; flex-shrink: 0; }

/* PORTION */
.portion-text { color: var(--text-2); font-size: .93rem; line-height: 1.7; padding: .3rem 0; }

/* HEALTH CONTEXT */
.result-card--pink p { color: var(--text-2); font-size: .92rem; line-height: 1.72; }

/* ALTERNATIVES */
.alt-intro { color: var(--muted); font-size: .84rem; margin-bottom: 1rem; font-style: italic; }
.alt-list { display: flex; flex-direction: column; gap: .8rem; }
.alt-item {
  background: var(--bg-section); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); padding: 1.05rem 1.2rem;
  transition: border-color .22s, transform .22s, box-shadow .22s;
}
.alt-item:hover { border-color: var(--mint); transform: translateX(4px); box-shadow: var(--shadow-sm); }
.alt-name { font-family: var(--fh); font-weight: 700; color: var(--text); font-size: .95rem; margin-bottom: .2rem; }
.alt-reason { color: var(--sub); font-size: .85rem; margin-bottom: .7rem; line-height: 1.55; }
.alt-buy { display: flex; align-items: center; gap: .45rem; flex-wrap: wrap; }
.buy-label { font-family: var(--fh); font-size: .74rem; font-weight: 700; color: var(--muted); }
.buy-link {
  display: inline-flex; align-items: center; gap: .3rem;
  background: var(--blue-l); color: var(--blue);
  font-family: var(--fh); font-size: .74rem; font-weight: 700;
  padding: .22rem .65rem; border-radius: 6px;
  border: 1px solid rgba(59,158,255,.25);
  transition: all .2s;
}
.buy-link:hover { background: var(--blue); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* RESULT ACTIONS */
.result-actions { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; padding-top: .5rem; }

/* ══════════════════════════════════

   LOADING OVERLAY

   ══════════════════════════════════ */
.loading-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(240,248,255,.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: none; align-items: center; justify-content: center;
}
.loading-overlay.active { display: flex; }
.loading-box { text-align: center; max-width: 360px; padding: 2rem; }
.loading-spinner {
  width: 64px; height: 64px; margin: 0 auto 2rem;
  border: 4px solid rgba(59,158,255,.15);
  border-top-color: var(--blue);
  border-radius: 50%; animation: spin 1s linear infinite;
}
.loading-box h3 { font-family: var(--fh); font-size: 1.3rem; font-weight: 800; margin-bottom: .4rem; color: var(--text); }
.loading-box > p { color: var(--sub); font-size: .88rem; margin-bottom: 1.5rem; }
.loading-steps { display: flex; flex-direction: column; gap: .45rem; }
.lstep {
  padding: .5rem 1rem; border-radius: var(--r-sm);
  color: var(--muted); font-size: .85rem; font-family: var(--fh); font-weight: 600;
  transition: all .4s; opacity: .35;
}
.lstep.active {
  background: var(--blue-l); color: var(--blue);
  opacity: 1; border: 1px solid rgba(59,158,255,.25);
}

/* ══════════════════════════════════

   ABOUT PAGE

   ══════════════════════════════════ */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.team-card {
  background: var(--bg-white); border: 1.5px solid var(--border);
  border-radius: var(--r-2xl); padding: 2.25rem; text-align: center;
  transition: all .3s var(--ease); box-shadow: var(--shadow-sm);
}
.team-card:hover { border-color: var(--blue); transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.team-avatar {
  width: 92px; height: 92px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--fh); font-size: 2.3rem; font-weight: 800;
  color: #fff; margin: 0 auto 1.4rem;
}
.av--purple { background: linear-gradient(135deg, #8b5cf6, #6d44e8); box-shadow: 0 6px 20px rgba(139,92,246,.3); }
.av--pink   { background: linear-gradient(135deg, #f472b6, #e04e9a); box-shadow: 0 6px 20px rgba(244,114,182,.3); }
.av--gold   { background: linear-gradient(135deg, #f59e0b, #f97316); box-shadow: 0 6px 20px rgba(245,158,11,.3); }
.team-card h3 { font-family: var(--fh); font-size: 1.2rem; font-weight: 800; margin-bottom: .3rem; color: var(--text); }
.team-role { color: var(--blue); font-weight: 700; font-size: .88rem; margin-bottom: 1rem; display: block; font-family: var(--fh); }
.team-bio { color: var(--sub); font-size: .87rem; line-height: 1.72; margin-bottom: 1.25rem; }
.skill-chips { display: flex; flex-wrap: wrap; gap: .45rem; justify-content: center; }
.skill-chips span {
  background: var(--blue-l); color: var(--blue);
  font-family: var(--fh); font-size: .74rem; font-weight: 700; padding: .26rem .7rem;
  border-radius: 100px; border: 1px solid rgba(59,158,255,.2);
}
.mission-text { color: var(--sub); font-size: 1.02rem; line-height: 1.85; text-align: center; max-width: 720px; margin: 0 auto; }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(195px, 1fr)); gap: 1.3rem; }
.tech-card {
  background: var(--bg-white); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 1.65rem; text-align: center; transition: all .3s;
  box-shadow: var(--shadow-sm);
}
.tech-card:hover { border-color: var(--blue); transform: translateY(-4px); box-shadow: var(--shadow); }
.tech-card--gold { border-color: rgba(245,158,11,.28); background: linear-gradient(135deg, #fffbeb, #fff9e8); }
.tech-card--gold:hover { border-color: var(--gold); box-shadow: 0 8px 24px rgba(245,158,11,.18); }
.tech-icon { font-size: 2.1rem; margin-bottom: .8rem; }
.tech-card h4 { font-family: var(--fh); font-size: .96rem; font-weight: 700; margin-bottom: .4rem; color: var(--text); }
.tech-card p { color: var(--sub); font-size: .85rem; line-height: 1.6; }
.diff-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.2rem; }
.diff-item {
  display: flex; gap: 1.3rem; align-items: flex-start;
  background: var(--bg-white); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 1.4rem; transition: border-color .3s;
  box-shadow: var(--shadow-sm);
}
.diff-item:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.diff-num {
  font-family: var(--fh); font-size: 2.3rem; font-weight: 800;
  line-height: 1; flex-shrink: 0;
  background: var(--blue-g);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.diff-item h3 { font-family: var(--fh); font-size: 1rem; font-weight: 700; margin-bottom: .4rem; color: var(--text); }
.diff-item p { color: var(--sub); font-size: .87rem; line-height: 1.6; }

/* ══════════════════════════════════

   REVEAL ANIMATION

   ══════════════════════════════════ */
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
.d1 { transition-delay: .07s; }
.d2 { transition-delay: .15s; }
.d3 { transition-delay: .23s; }
.d4 { transition-delay: .31s; }
.d5 { transition-delay: .39s; }
.d6 { transition-delay: .47s; }

/* ══════════════════════════════════

   KEYFRAMES

   ══════════════════════════════════ */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}
@keyframes drift {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(24px, -24px); }
}
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spin-cw  { to { transform: translate(-50%,-50%) rotate(360deg); } }
@keyframes spin-ccw { to { transform: translate(-50%,-50%) rotate(-360deg); } }
@keyframes pulse-ring {
  0%, 100% { box-shadow: 0 0 0 0 rgba(46,203,142,.6); }
  50%       { box-shadow: 0 0 0 7px rgba(46,203,142,0); }
}
@keyframes slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════

   RESPONSIVE — TABLET (≤1040px)

   ══════════════════════════════════ */
@media (max-width: 1040px) {
  .analyzer-layout { grid-template-columns: 1fr; }
  .form-card { position: static; }
  .feat-card--big { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ══════════════════════════════════

   RESPONSIVE — MOBILE (≤768px)

   ══════════════════════════════════ */
@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .hamburger { display: flex; }

  .hero { min-height: auto; padding: 2rem 0; }
  .hero__body { grid-template-columns: 1fr; text-align: center; gap: 2rem; padding: 2.5rem 0; }
  .hero__right { display: none; }
  .hero__btns { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__desc { margin-left: auto; margin-right: auto; }

  .section { padding: 3.5rem 0; }
  .how-arrow { transform: rotate(90deg); }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: .4rem; }
  .result-banner { flex-direction: column; text-align: center; }
  .result-banner__meta { justify-content: center; }
  .model-grid { grid-template-columns: 1fr 1fr; }
  .page-title { font-size: 1.75rem; }
  .cta-block { padding: 3rem 1.5rem; }
  .cta-block h2 { font-size: 1.7rem; }
  .diff-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════

   RESPONSIVE — SMALL MOBILE (≤520px)

   ══════════════════════════════════ */
@media (max-width: 520px) {
  .container { padding: 0 1rem; }
  .form-grid { grid-template-columns: 1fr; }
  .nutrition-grid { grid-template-columns: repeat(2, 1fr); }
  .model-grid { grid-template-columns: 1fr; }
  .result-banner h2 { font-size: 1.3rem; }
  .bmi-strip { flex-wrap: wrap; gap: 1rem; }
  .hero__title { font-size: 2rem; }
  .hero__stats { gap: 1.25rem; }
  .hstat b { font-size: 1.55rem; }
  .team-grid { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 1.55rem; }
  .feat-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn--lg { padding: .85rem 1.6rem; font-size: .9rem; }
  .result-actions { flex-direction: column; align-items: center; }
  .result-actions .btn { width: 100%; max-width: 280px; }
  .how-grid { flex-direction: column; align-items: stretch; }
  .how-card { max-width: 100%; }
  .how-arrow { align-self: center; transform: rotate(90deg); }
}

/* ══════════════════════════════════

   RESPONSIVE — VERY SMALL (≤380px)

   ══════════════════════════════════ */
@media (max-width: 380px) {
  .tech-grid { grid-template-columns: 1fr; }
  .nutrition-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__title { font-size: 1.75rem; }
  .hero__badge { font-size: .72rem; }
}