/* ============================================================================
   Mazola – "Kochen, grillen & gewinnen!"  ·  Frontend Design-System
   Mobile first.  Desktop-Breakpoint: > 768px.
   Farben:  Hellgrün #A4D45C · Dunkelgrün #004330 · Gelb #FED900 · Rot #EF3B23
   Schrift: Oswald (Regular 400 / Bold 700), Fallback Arial.
   CSP-konform: keine Inline-Styles, alles hier.
   ========================================================================== */

/* ---------- Fonts (selbst gehostet) ------------------------------------- */
@font-face {
  font-family: "Oswald";
  src: url("/assets/fonts/Oswald-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Oswald";
  src: url("/assets/fonts/Oswald-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ------------------------------------------------------ */
:root {
  --green-dark:  #004330;
  --green-light: #A4D45C;
  --yellow:      #FED900;
  --red:         #EF3B23;
  --black:       #000000;
  --white:       #ffffff;

  --rad-btn: 20px;      /* Buttons */
  --rad-input: 6px;     /* Textfelder (Selects = 0, siehe unten) */
  --rad-card: 16px;
  --rad-box: 14px;

  --maxw: 1180px;
  --gap: 24px;

  --font: "Oswald", Arial, Helvetica, sans-serif;
}

/* ---------- Reset ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.5;
  color: var(--green-dark);
  background: var(--green-dark);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.05; font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
body.modal-open { overflow: hidden; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ============================================================ HEADER ===== */
.site-header { background: var(--green-light); position: sticky; top: 0; z-index: 100; }
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 20px;
}
.site-header__logo { display: inline-flex; }
.site-header__logo img { width: 104px; height: auto; }

.site-nav__toggle {
  display: none; /* erst < 768px sichtbar */
  border: 0; background: transparent; cursor: pointer; padding: 8px;
}
.site-nav__toggle span,
.site-nav__toggle span::before,
.site-nav__toggle span::after {
  display: block; width: 26px; height: 3px; background: var(--green-dark);
  border-radius: 2px; position: relative; transition: transform .2s, opacity .2s;
}
.site-nav__toggle span::before,
.site-nav__toggle span::after { content: ""; position: absolute; left: 0; }
.site-nav__toggle span::before { top: -8px; }
.site-nav__toggle span::after  { top:  8px; }

.site-nav__list {
  display: flex; align-items: center; gap: clamp(20px, 4vw, 56px);
  list-style: none;
}
.site-nav__list a {
  font-weight: 700; font-size: 18px; color: var(--green-dark); text-decoration: none;
  padding: 6px 2px;
}
.site-nav__list a:hover,
.site-nav__list a.is-active { text-decoration: underline; text-underline-offset: 4px; }

/* Desktop: Logo links fixiert, Navigation über die volle Breite mittig verteilt */
@media (min-width: 769px) {
  .site-header__inner { position: relative; justify-content: center; min-height: 90px; }
  .site-header__logo { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); }
  .site-nav__list { justify-content: center; gap: clamp(28px, 6vw, 90px); }
}

/* ============================================================ FOOTER ===== */
.site-footer { background: var(--yellow); }
.site-footer__inner {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: clamp(24px, 8vw, 120px);
  padding: 26px 20px;
}
.site-footer__inner a {
  color: var(--black); font-weight: 700; font-size: 18px; text-decoration: none;
}
.site-footer__inner a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ============================================================ BUTTONS ==== */
.btn {
  display: inline-block; cursor: pointer; border: 0;
  font-family: var(--font); font-weight: 700; font-size: 20px;
  padding: 14px 46px; border-radius: var(--rad-btn); text-decoration: none;
  transition: filter .15s, transform .05s;
}
.btn:active { transform: scale(.99); }
.btn--yellow { background: var(--yellow); color: var(--black); }
.btn--yellow:hover { filter: brightness(.96); }
.btn--ghost-yellow {
  background: transparent; color: var(--yellow);
  border: 2px solid var(--yellow); padding: 12px 44px;
}
.btn--ghost-yellow:hover { background: rgba(254,217,0,.12); }
.btn[disabled] { opacity: .6; cursor: not-allowed; }
.btn-center { text-align: center; }

/* ============================================================ WAVE ======= */
/* uebergang-form: transparent oben, gelbe Kante, dunkelgrün unten.
   Sitzt nahtlos zwischen hellgrünem Hero und dunkelgrünem Body. */
.wave { display: block; width: 100%; height: auto; margin: 0 0 -2px; }

/* ===================================================================== */
/* =====================  STARTSEITE / LANDINGPAGE  ==================== */
/* ===================================================================== */
.lp-hero { background: var(--green-light); padding: 8px 0 8px; overflow: hidden; }
.lp-hero__logo { text-align: center; padding: 6px 0 10px; }
.lp-hero__logo img { width: 150px; margin: 0 auto; }
.lp-hero__title { text-align: center; color: var(--green-dark); font-size: clamp(61px, 10.7vw, 119px); line-height: 1.05; margin: 4px 0 0; position: relative; z-index: 2; }
.lp-hero__graphic { position: relative; z-index: 1; margin-top: -2vw; }
.lp-hero__graphic a { display: block; }
.lp-hero__graphic img { width: 92vw; height: auto; margin: 0 0 0 auto; display: block; }

/* (Alter Hero-Block entfernt – die Überschrift wird allein über .lp-hero__title gesteuert.) */

/* Dunkelgrüner Bereich: Und so geht's + Formular */
.lp-body { background: var(--green-dark); color: var(--white); padding: 12px 0 60px; }
.lp-section-title {
  text-align: center; color: var(--yellow); font-size: clamp(30px, 4.4vw, 46px);
  margin: 24px 0 6px;
}
.lp-section-sub { text-align: center; color: var(--white); font-size: 15px; margin: 0 0 26px; opacity: .9; }

/* 3 Schritte */
.lp-steps {
  border: 3px solid var(--yellow); border-radius: var(--rad-box);
  padding: 26px 22px; margin: 0 auto 12px; max-width: 940px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.lp-step { display: flex; flex-direction: column; align-items: center; color: var(--white); }
.lp-step__num { width: 44px; height: auto; margin: 0 0 12px; }
.lp-step__row { display: flex; align-items: center; gap: 14px; }
.lp-step__icon { height: 54px; width: auto; flex: 0 0 auto; }
.lp-step__row p { font-size: 16px; margin: 0; text-align: left; }

/* ============================================================ FORMULAR === */
.form-wrap { max-width: 940px; margin: 0 auto; }
.form-title { text-align: center; color: var(--yellow); font-size: clamp(28px, 4vw, 40px); margin: 40px 0 22px; }
.form-subtitle { text-align: center; color: var(--yellow); font-size: clamp(22px, 3vw, 30px); margin: 38px 0 20px; }

/* globaler Fehler-Hinweis über dem Formular (nach Reload) */
.alert {
  background: var(--white); color: var(--red); border-left: 6px solid var(--red);
  border-radius: var(--rad-input); padding: 14px 18px; margin: 0 0 22px; font-weight: 700;
}

.field { margin-bottom: 18px; }
.field > label { display: block; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* Anrede-Radios */
.salutation { display: flex; gap: 32px; flex-wrap: wrap; margin: 4px 0 20px; }
.salutation label { display: inline-flex; align-items: center; gap: 10px; color: var(--white); font-size: 17px; cursor: pointer; }
.salutation input { width: 20px; height: 20px; accent-color: var(--yellow); flex: 0 0 auto; }

/* Text-/E-Mail-Felder + Select: gelber Rahmen auf dunkelgrün */
.inp, .sel, .ta {
  width: 100%; font-family: var(--font); font-size: 17px; color: var(--white);
  background: transparent; border: 2px solid var(--yellow); padding: 14px 16px;
}
.inp { border-radius: 0; }
.ta  { border-radius: var(--rad-input); min-height: 150px; resize: vertical; }
.sel {
  border-radius: 0; border-color: var(--white); appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'><path d='M4 6l4 4 4-4' fill='none' stroke='%23ffffff' stroke-width='2'/></svg>");
  background-repeat: no-repeat; background-position: right 16px center; padding-right: 44px;
}
.sel--yellow {
  border-color: var(--yellow);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'><path d='M4 6l4 4 4-4' fill='none' stroke='%23FED900' stroke-width='2'/></svg>");
}
.inp::placeholder, .ta::placeholder { color: rgba(255,255,255,.7); }
.inp:focus, .sel:focus, .ta:focus { outline: none; box-shadow: 0 0 0 3px rgba(254,217,0,.35); }
.sel option { color: #000; }

/* Inline-Fehler (ohne Reload, per JS eingeblendet) */
.field-error { color: var(--yellow); font-weight: 700; font-size: 14px; margin: 6px 0 0; }
.field.invalid .inp,
.field.invalid .sel,
.field.invalid .ta { border-color: var(--red); }
.field.invalid .salutation { outline: 2px solid var(--red); outline-offset: 4px; }

/* Upload */
.upload-label { display:block; text-align:center; color: var(--yellow); font-weight:700; font-size:18px; margin: 26px 0 12px; }
.upload {
  position: relative; border: 2px solid var(--yellow); background: var(--yellow);
  border-radius: var(--rad-input); text-align: center; color: var(--green-dark);
  font-weight: 700; padding: 18px; cursor: pointer; transition: filter .15s;
}
.upload:hover { filter: brightness(.96); }
.upload input[type=file] {
  position: absolute; inset: 0; opacity: 0; width: 100%; height: 100%; cursor: pointer;
}
.upload__text { pointer-events: none; }
.upload.has-file .upload__text { word-break: break-all; }
.field.invalid .upload { border-color: var(--red); }

.upload-hint-link { display: block; text-align: center; margin: 12px 0 0; }
.upload-hint-link button {
  background: none; border: 0; color: var(--yellow); font-family: var(--font);
  font-size: 15px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}

/* Checkboxen (Teilnahmebedingungen / Volljährig) */
.check { display: flex; align-items: flex-start; gap: 12px; color: var(--white); font-size: 16px; cursor: pointer; margin: 0; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--yellow); flex: 0 0 auto; }
.check-field { margin-bottom: 14px; }
.field.invalid .check { color: var(--yellow); }

.required-note { color: var(--white); font-size: 13px; opacity: .85; margin: 18px 0 24px; }

/* Honeypot */
.hp { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-actions { text-align: center; margin-top: 8px; }

/* ===================================================================== */
/* =====================  POPUP (Kassenbon richtig)  =================== */
/* ===================================================================== */
.modal { position: fixed; inset: 0; z-index: 1000; display: none; }
.modal.is-open { display: block; }
.modal__overlay { position: absolute; inset: 0; background: rgba(0,0,0,.55); }
.modal__dialog {
  position: relative; background: var(--white); color: var(--green-dark);
  max-width: 820px; width: calc(100% - 32px); max-height: calc(100vh - 48px);
  overflow: auto; margin: 24px auto; border-radius: var(--rad-card); padding: 34px 30px 30px;
}
.modal__close {
  position: absolute; top: 14px; right: 16px; border: 0; background: none; cursor: pointer;
  font-size: 30px; line-height: 1; color: var(--green-dark);
}
.modal h2 { text-align: center; font-size: clamp(20px, 3vw, 26px); margin-bottom: 22px; }
.modal h3 { text-align: center; font-size: 20px; margin: 26px 0 16px; }
.modal__img { margin: 0 auto 16px; max-width: 100%; }

/* Popup „Kassenbon richtig hochladen" */
.modal__dialog--wide { max-width: 940px; }
.receipt-guide { display: grid; grid-template-columns: auto 1fr; gap: 30px; align-items: center; text-align: left; margin: 8px 0 6px; }
.receipt-guide__img { text-align: center; }
.receipt-guide__img img { width: 280px; max-width: 100%; height: auto; }
.receipt-steps { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 20px; }
.receipt-steps li { display: flex; gap: 14px; align-items: flex-start; font-size: 16px; color: var(--green-dark); }
.receipt-steps__num { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%; background: var(--green-dark); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.modal .receipt-tips__title { text-align: center; color: var(--green-dark); font-weight: 700; font-size: clamp(20px, 3vw, 26px); margin: 30px 0 18px; }
.receipt-tips { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.receipt-tip { margin: 0; text-align: center; }
.receipt-tip img { width: 100%; height: auto; display: block; }
.receipt-tip figcaption { font-size: 14px; line-height: 1.4; margin-top: 10px; color: var(--green-dark); }

/* ===================================================================== */
/* =====================  INNERE SEITEN (Hero + Body)  ================= */
/* ===================================================================== */
.page-hero { background: var(--green-light); padding: 26px 0 60px; }
.page-hero h1 { color: var(--green-dark); font-size: clamp(44px, 8vw, 96px); margin: 0; }
.page-body { background: var(--green-dark); color: var(--white); padding: 20px 0 60px; }
.page-body--center { text-align: center; }

/* Kontaktformular */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 920px; margin: 30px auto 0; }
.contact-col { display: flex; flex-direction: column; gap: 18px; }
.contact-input {
  width: 100%; font-family: var(--font); font-size: 18px; color: var(--green-dark);
  background: var(--white); border: 0; border-radius: var(--rad-input); padding: 16px 18px;
}
.contact-input::placeholder { color: #004330; opacity: 1; }
.contact-input:focus { outline: none; box-shadow: 0 0 0 3px rgba(254,217,0,.5); }
textarea.contact-input { min-height: 230px; resize: vertical; }
.contact-note { color: var(--yellow); font-size: 14px; max-width: 920px; margin: 18px auto 0; }
.contact-note a { color: var(--yellow); }
.contact-actions { text-align: center; margin: 34px 0 0; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.contact-col .field { margin: 0; }
.field.invalid .contact-input { box-shadow: 0 0 0 2px var(--red); }
.center-actions { text-align: center; margin-top: 34px; }

/* Kontakt (Desktop): die 3 linken Felder füllen gemeinsam die Spaltenhöhe = Textarea-Höhe */
@media (min-width: 769px) {
  .contact-col .field { flex: 1; }
  .contact-input { height: 100%; }
}

/* ===================================================================== */
/* =====================  GEWINNE-SEITE  =============================== */
/* ===================================================================== */
.prizes-list { width: 100vw; max-width: none; margin: 10px 0 0; margin-left: calc(50% - 50vw); overflow: hidden; padding: 40px 0; }
.prize-row {
  position: relative; color: var(--green-dark);
  padding: 84px 110px; margin: 22px 0 calc(22px + 3em);
  width: 75vw; max-width: 75vw;
  display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center;
}
.prize-row::before {                       /* gelbe Ellipse, leicht (-5°) gedreht; Inhalt bleibt gerade */
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: var(--yellow); border-radius: 50%; transform: rotate(-5deg);
}
.prize-row > * { position: relative; z-index: 1; }
.prize-row:nth-child(odd)  { margin-left: auto;  margin-right: -3vw; padding-right: 180px; }  /* nach rechts; Bild rechts mit Abstand */
.prize-row:nth-child(even) { margin-right: auto; margin-left: -3vw; padding-left: 180px; }     /* nach links; Bild links mit Abstand */
.prize-row:nth-child(even) .prize-row__media { order: -1; }
.prize-row h3 { font-size: clamp(38px, 4.7vw, 53px); margin: 0; text-align: center; }
.prize-row__media img { max-height: 432px; width: auto; margin: 0 auto; }
.prize-row__media img[src*="genesis-grill"] { max-height: 540px; }  /* Grill-Bild zusätzlich größer */
.prize-row__badge {
  position: absolute; right: 30px; top: 50%; transform: translateY(-50%);
  background: var(--green-dark); color: var(--white); border-radius: 50%;
  width: 78px; height: 78px; display: flex; align-items: center; justify-content: center;
  text-align: center; font-weight: 700; font-size: 13px; padding: 8px;
}
.prize-guarantee {
  background: var(--red); color: var(--white); border-radius: 50%;
  width: 150px; height: 150px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; padding: 14px;
  font-weight: 700; flex: 0 0 auto;
}
.prize-guarantee .prize-guarantee__amount { font-size: 1.9em; }
.prize-row--guarantee { grid-template-columns: 150px 1fr; }
.prize-row--guarantee .prize-row__media { order: -1; }

/* ===================================================================== */
/* =====================  FAQ-AKKORDION  =============================== */
/* ===================================================================== */
.accordion { max-width: 900px; margin: 6px auto 0; }
.acc-item {
  background: var(--green-light); color: var(--green-dark);
  border-radius: var(--rad-box); margin: 0 0 14px; overflow: hidden;
}
.acc-header {
  width: 100%; text-align: left; border: 0; background: transparent; cursor: pointer;
  font-family: var(--font); font-weight: 700; font-size: 23px; color: var(--green-dark);
  padding: 18px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.acc-header__chevron { flex: 0 0 auto; transition: transform .2s ease; }
.acc-item.is-open .acc-header__chevron { transform: rotate(180deg); }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height .2s ease; }
.acc-panel__inner { padding: 0 22px 18px; font-size: 16px; }
.acc-panel__inner p { margin: 0 0 12px; }
.acc-panel__inner p:last-child { margin-bottom: 0; }
.acc-panel__inner ul, .acc-panel__inner ol { padding-left: 22px; margin: 0 0 12px; }
.acc-panel__inner li { margin: 0 0 4px; }
.acc-panel__inner a { color: var(--green-dark); text-decoration: underline; text-underline-offset: 2px; word-break: break-word; }
.faq-intro { max-width: 900px; margin: 0 auto 18px; color: var(--white); font-size: 16px; }
.faq-intro a { color: var(--yellow); text-decoration: underline; }

/* ===================================================================== */
/* =====================  TEXTSEITEN (TB / Datenschutz / Impressum)  === */
/* ===================================================================== */
.prose { max-width: 860px; margin: 6px auto 0; color: var(--white); }
.prose h2 { color: var(--yellow); font-size: 31px; margin: 28px 0 10px; }
.prose h3 { color: var(--white); font-size: 24px; margin: 22px 0 8px; }
.prose p, .prose li { font-size: 16px; }
.prose ul { padding-left: 22px; }
.prose ol { padding-left: 24px; }
.prose ol.alpha { list-style: lower-alpha; }
.prose li { margin: 0 0 6px; }
.prose ul ul, .prose ol ul, .prose ul ol, .prose ol ol { margin-top: 6px; }
.prose a { color: var(--yellow); text-decoration: underline; text-underline-offset: 2px; word-break: break-word; }
.prose .lead { font-weight: 700; font-size: 22px; margin-bottom: 18px; }
.prose .addr { margin: 0 0 16px; }
.placeholder-note {
  background: rgba(254,217,0,.12); border: 1px dashed var(--yellow); color: var(--yellow);
  border-radius: var(--rad-input); padding: 12px 16px; margin: 0 0 22px; font-size: 14px;
}

/* ===================================================================== */
/* =====================  ERFOLGSSEITE ("Das hat geklappt!")  ========== */
/* ===================================================================== */
.success-ellipse {
  background: var(--yellow); color: var(--green-dark);
  border-radius: 50%; max-width: 820px; margin: 30px auto 0;
  padding: 64px 120px; text-align: center;
}
.success-ellipse h2 { font-size: clamp(26px, 4vw, 38px); margin-bottom: 16px; }
.success-ellipse p { font-size: 17px; margin: 0 0 14px; }
.success-ellipse p:last-child { margin-bottom: 0; }

/* generische Inhaltskarte (Sonderzustände: Newsletter, gesperrt, beendet) */
.notice-card {
  background: var(--yellow); color: var(--green-dark); border-radius: var(--rad-card);
  max-width: 720px; margin: 30px auto 0; padding: 40px 36px; text-align: center;
}
.notice-card h2 { font-size: clamp(24px, 3.5vw, 34px); margin-bottom: 14px; }

/* ===================================================================== */
/* =====================  RESPONSIVE  (<= 768px)  ====================== */
/* ===================================================================== */
@media (max-width: 768px) {
  body { font-size: 16px; }

  /* Nav als Burger */
  .site-nav__toggle { display: inline-block; }
  .site-nav__list {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--green-light); flex-direction: column; gap: 0; padding: 8px 0 16px;
    z-index: 50;
  }
  .site-header { position: sticky; }
  .site-nav.is-open .site-nav__list { display: flex; }
  .site-nav__list li { width: 100%; text-align: center; }
  .site-nav__list a { display: block; padding: 12px 0; }


  /* Hero-Grafik auf Mobil: volle Breite, zentriert, ohne Überlappung */
  .lp-hero__graphic { margin-top: 6px; }
  .lp-hero__graphic img { width: 100%; height: auto; margin: 0 auto; }

  .lp-steps { grid-template-columns: 1fr; gap: 26px; }

  .form-row { grid-template-columns: 1fr; gap: 0; }
  .salutation { gap: 20px; }

  .contact-grid { grid-template-columns: 1fr; gap: 18px; }
  textarea.contact-input { min-height: 160px; }

  .prize-row,
  .prize-row:nth-child(odd),
  .prize-row:nth-child(even),
  .prize-row--guarantee { grid-template-columns: 1fr; text-align: center; border-radius: 28px; padding: 28px 24px; width: auto; max-width: none; margin: 18px 14px; }
  .prize-row::before { transform: none; border-radius: 28px; }
  .prize-row__media,
  .prize-row:nth-child(even) .prize-row__media,
  .prize-row--guarantee .prize-row__media { order: -1; }
  .prize-row__badge { position: static; transform: none; margin: 12px auto 0; }
  .prize-guarantee { margin: 0 auto; }

  .success-ellipse { border-radius: 36px; padding: 44px 28px; }
  .modal__dialog { padding: 30px 18px 22px; }
  .receipt-guide { grid-template-columns: 1fr; }
  .receipt-tips { grid-template-columns: 1fr; }
  .receipt-tip img { max-width: 320px; margin: 0 auto; }
}

@media (max-width: 420px) {
  .btn { padding: 13px 32px; font-size: 18px; }
}