/* ============================================
   BUBBLE TROUBLE FOUSKOTA - Stylesheet
   ============================================ */

:root {
  --bt-blue:   #2BB5F0;
  --bt-pink:   #FF5FA2;
  --bt-yellow: #FFD43B;
  --bt-green:  #4ED869;
  --bt-purple: #9B5DE5;
  --bt-orange: #FF8C42;

  --ink:       #1B1F3B;
  --ink-soft:  #3D4266;
  --cream:     #FFF8F0;
  --white:     #FFFFFF;
  --card-bg:   #FAFCFF;

  --shadow-card: 0 12px 30px -10px rgba(27,31,59,0.18);
  --shadow-pop:  8px 8px 0 var(--ink);

  --font-display: 'Fredoka', 'Baloo 2', system-ui, sans-serif;
  --font-body:    'Nunito', system-ui, sans-serif;

  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 40px;

  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  overflow-x: hidden;
  line-height: 1.6;
}
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); line-height: 1.15; margin: 0 0 12px; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.35rem; font-weight: 600; }
p  { margin: 0 0 12px; }
a  { color: var(--bt-blue); text-decoration: none; transition: color .2s; }
a:hover { color: var(--bt-pink); }
button { font-family: var(--font-body); cursor: pointer; border: none; background: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Bubbles background ---------- */
.bubbles-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.bubble {
  position: absolute; border-radius: 50%; opacity: 0.35;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), var(--bt-blue));
  animation: float 18s infinite ease-in-out;
}
.bubble:nth-child(1) { width: 220px; height: 220px; top: 8%; left: -5%; background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), var(--bt-pink)); animation-duration: 20s; }
.bubble:nth-child(2) { width: 140px; height: 140px; top: 55%; right: -3%; background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), var(--bt-yellow)); animation-duration: 22s; animation-delay: -4s; }
.bubble:nth-child(3) { width: 180px; height: 180px; bottom: 10%; left: 8%; animation-duration: 24s; animation-delay: -8s; }
.bubble:nth-child(4) { width: 90px; height: 90px; top: 30%; left: 55%; background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), var(--bt-green)); animation-duration: 16s; animation-delay: -2s; }
.bubble:nth-child(5) { width: 120px; height: 120px; top: 75%; left: 40%; background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), var(--bt-purple)); animation-duration: 26s; animation-delay: -12s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25%      { transform: translate(40px, -30px) rotate(90deg); }
  50%      { transform: translate(-20px, 20px) rotate(180deg); }
  75%      { transform: translate(30px, 10px) rotate(270deg); }
}

/* ---------- Top bar ---------- */
.topbar {
  background: var(--ink); color: var(--white); padding: 10px 0; font-size: 0.88rem;
  position: relative; z-index: 2;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.topbar a { color: var(--white); font-weight: 600; }
.topbar a:hover { color: var(--bt-yellow); }
.topbar .socials { display: flex; gap: 18px; }

/* ---------- Navigation ---------- */
.nav {
  background: var(--white); border-bottom: 4px solid var(--ink);
  position: sticky; top: 0; z-index: 10;
  box-shadow: 0 4px 0 rgba(27,31,59,0.08);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.logo-full { height: 56px !important; width: auto !important; max-width: 260px; display: block; flex-shrink: 0; }
.logo-mark-img { height: 48px !important; width: auto !important; max-width: 80px; display: block; flex-shrink: 0; }
.logo-text { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; line-height: 1; display: flex; flex-direction: column; gap: 2px; }
.logo-text small { font-weight: 500; font-size: 0.72rem; color: var(--ink-soft); letter-spacing: 0.02em; }

@media (max-width: 560px) {
  .logo-full { height: 44px !important; }
  .logo-mark-img { height: 40px !important; }
}

.nav-links { display: flex; gap: 8px; }
.nav-links a {
  padding: 8px 16px; border-radius: 999px;
  color: var(--ink); font-weight: 700; font-size: 0.95rem;
  transition: background .2s, color .2s;
}
.nav-links a:hover, .nav-links a.active { background: var(--bt-yellow); color: var(--ink); }

.nav-cta {
  background: var(--bt-pink); color: var(--white);
  padding: 10px 22px; border-radius: 999px;
  font-weight: 700; font-size: 0.95rem;
  border: 3px solid var(--ink); box-shadow: 4px 4px 0 var(--ink);
  transition: transform .15s, box-shadow .15s;
}
.nav-cta:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); color: var(--white); background: var(--bt-pink); }

/* ---------- Hamburger menu (mobile) — clean 3-line design ---------- */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 3px solid var(--ink);
  border-radius: 10px;
  background: var(--white);
  cursor: pointer;
  padding: 7px 0;
  box-sizing: border-box;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 3px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s, opacity .2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--white); border-bottom: 4px solid var(--ink); padding: 16px; gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; position: relative; }
}

/* ---------- Hero ---------- */
.hero { padding: 70px 0 90px; position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

.hero-kicker {
  display: inline-block; background: var(--bt-yellow); color: var(--ink);
  padding: 6px 16px; border-radius: 999px; font-weight: 700; font-size: 0.9rem;
  border: 2px solid var(--ink); margin-bottom: 20px;
}
.accent-pink   { color: var(--bt-pink); }
.accent-blue   { color: var(--bt-blue); }
.accent-yellow { color: var(--bt-yellow); text-shadow: -1px -1px 0 var(--ink), 1px -1px 0 var(--ink), -1px 1px 0 var(--ink), 1px 1px 0 var(--ink); }
.accent-green  { color: var(--bt-green); }

.lead { font-size: 1.12rem; color: var(--ink-soft); max-width: 540px; }
.hero-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  border: 3px solid var(--ink); box-shadow: 5px 5px 0 var(--ink);
  transition: transform .15s, box-shadow .15s; cursor: pointer;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--ink); }
.btn.primary { background: var(--bt-pink); color: var(--white); }
.btn.primary:hover { color: var(--white); background: var(--bt-pink); }
.btn.yellow { background: var(--bt-yellow); color: var(--ink); }
.btn.yellow:hover { color: var(--ink); background: var(--bt-yellow); }
.btn.blue { background: var(--bt-blue); color: var(--white); }
.btn.green { background: var(--bt-green); color: var(--ink); }
.btn.white { background: var(--white); color: var(--ink); }

/* Hero visual */
.hero-visual { position: relative; }
.big-blob {
  position: absolute; inset: -30px;
  background: radial-gradient(circle at 50% 50%, var(--bt-yellow) 0%, transparent 65%);
  border-radius: 50%; z-index: -1; opacity: 0.6;
}
.hero-img {
  background: var(--white); border: 4px solid var(--ink); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop); overflow: hidden; transform: rotate(-2deg);
  aspect-ratio: 4/3;
}
.hero-img img { width: 100%; height: 100%; object-fit: contain; padding: 20px; }

.hero-visual .sticker {
  position: absolute; background: var(--bt-pink); color: var(--white);
  padding: 10px 18px; border-radius: 999px; font-weight: 700; font-family: var(--font-display);
  border: 3px solid var(--ink); box-shadow: 4px 4px 0 var(--ink);
  z-index: 2;
}
.hero-visual .sticker.one { top: -10px; left: -8%; background: var(--bt-yellow); color: var(--ink); transform: rotate(-8deg); }
.hero-visual .sticker.two { bottom: 10%; right: -8%; background: var(--bt-green); color: var(--ink); transform: rotate(6deg); }

/* ---------- Trust row ---------- */
.trust {
  background: var(--ink); color: var(--white);
  padding: 28px 0; border-top: 4px solid var(--ink);
  position: relative; z-index: 1;
}
.trust .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.trust-item { display: flex; align-items: center; gap: 14px; font-weight: 700; }
.trust-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--bt-yellow); color: var(--ink);
  border-radius: 12px; display: grid; place-items: center; font-size: 1.3rem;
}
@media (max-width: 760px) {
  .trust .container { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .trust-item { font-size: 0.9rem; }
}

/* ---------- Sections ---------- */
section { position: relative; z-index: 1; padding: 80px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 50px; }
.section-head .tag {
  display: inline-block; background: var(--bt-blue); color: var(--white);
  padding: 4px 14px; border-radius: 999px; font-weight: 700; font-size: 0.85rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  border: 2px solid var(--ink); margin-bottom: 18px;
}
.section-head p { color: var(--ink-soft); font-size: 1.08rem; }

/* ---------- Product cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.card {
  background: var(--white); border: 3px solid var(--ink);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-pop);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative; display: flex; flex-direction: column;
}
.card:hover { transform: translate(-3px, -3px); box-shadow: 12px 12px 0 var(--ink); }
.card-img {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #F0F7FF 0%, #FFF8F0 100%);
  position: relative; overflow: hidden;
  border-bottom: 3px solid var(--ink);
}
.card-img img {
  width: 100%; height: 100%;
  object-fit: contain; padding: 14px;
  transition: transform 0.4s;
}
.card:hover .card-img img { transform: scale(1.04); }
.card-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--bt-yellow); color: var(--ink);
  padding: 4px 12px; border-radius: 999px;
  font-weight: 700; font-size: 0.85rem;
  border: 2px solid var(--ink); box-shadow: 2px 2px 0 var(--ink);
}
.card-badge.pool { background: var(--bt-blue); color: var(--white); }
.card-badge.premium { background: var(--bt-purple); color: var(--white); }
.card-badge.big { background: var(--bt-pink); color: var(--white); }
.card-price {
  position: absolute; top: 12px; right: 12px;
  background: var(--ink); color: var(--white);
  padding: 6px 14px; border-radius: 999px;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  border: 2px solid var(--ink); box-shadow: 2px 2px 0 var(--bt-yellow);
}
.card-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.card-body h3 { margin-bottom: 4px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.meta-chip {
  font-size: 0.78rem; font-weight: 700;
  padding: 4px 10px; border-radius: 999px;
  background: var(--cream); color: var(--ink-soft);
  border: 2px solid rgba(27,31,59,0.12);
}
.meta-chip.size { background: #E8F7FF; color: #1178b0; border-color: rgba(17,120,176,0.18); }
.meta-chip.ppl  { background: #FFE8F1; color: #b01d63; border-color: rgba(176,29,99,0.18); }
.meta-chip.age  { background: #FFF6D9; color: #8a6b00; border-color: rgba(138,107,0,0.18); }
.card-cta {
  background: var(--bt-green); color: var(--ink);
  padding: 10px 16px; border-radius: 999px;
  font-weight: 700; font-size: 0.92rem; text-align: center;
  border: 2px solid var(--ink); margin-top: 4px;
  transition: background .2s, transform .15s;
}
.card-cta:hover { background: var(--bt-yellow); color: var(--ink); transform: translateY(-2px); }

/* ---------- About / Features ---------- */
.features {
  background: linear-gradient(180deg, transparent 0%, var(--white) 50%, transparent 100%);
}
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr; } }
.feature {
  background: var(--white); border: 3px solid var(--ink); border-radius: var(--radius-lg);
  padding: 32px 26px; box-shadow: var(--shadow-pop);
  transition: transform .2s;
}
.feature:hover { transform: translate(-3px, -3px); }
.feature .icon {
  width: 64px; height: 64px; border-radius: 18px;
  display: grid; place-items: center; font-size: 2rem;
  margin-bottom: 18px; border: 3px solid var(--ink);
}
.feature:nth-child(1) .icon { background: var(--bt-yellow); }
.feature:nth-child(2) .icon { background: var(--bt-green); }
.feature:nth-child(3) .icon { background: var(--bt-pink); color: var(--white); }
.feature:nth-child(4) .icon { background: var(--bt-blue); color: var(--white); }
.feature:nth-child(5) .icon { background: var(--bt-purple); color: var(--white); }
.feature:nth-child(6) .icon { background: var(--bt-orange); color: var(--white); }

/* ---------- Reviews ---------- */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .reviews-grid { grid-template-columns: 1fr; } }
.testi {
  background: var(--white); border: 3px solid var(--ink);
  border-radius: var(--radius-lg); padding: 28px 26px;
  box-shadow: var(--shadow-pop); position: relative;
}
.testi::before {
  content: "“"; position: absolute; top: -14px; left: 22px;
  width: 42px; height: 42px; background: var(--bt-yellow);
  border: 3px solid var(--ink); border-radius: 50%;
  display: grid; place-items: center;
  font-family: Georgia, serif; font-size: 2.6rem; line-height: 0.2;
  color: var(--ink); font-weight: 700;
}
.testi p { color: var(--ink-soft); font-style: italic; }
.testi .who {
  display: flex; align-items: center; gap: 10px; margin-top: 14px;
  font-weight: 700; color: var(--ink); font-style: normal;
}
.stars { color: var(--bt-yellow); font-size: 1.1rem; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--bt-pink); color: var(--white);
  border-top: 4px solid var(--ink); border-bottom: 4px solid var(--ink);
  padding: 60px 0; text-align: center;
}
.cta-banner h2 { color: var(--white); }
.cta-banner p { color: rgba(255,255,255,0.9); font-size: 1.1rem; max-width: 600px; margin: 0 auto 24px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--ink); color: var(--white);
  padding: 60px 0 30px;
  position: relative; z-index: 1;
}
.footer-grid {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h4 { color: var(--bt-yellow); margin-bottom: 16px; }
.footer p, .footer a { color: rgba(255,255,255,0.8); font-size: 0.95rem; }
.footer ul li { margin-bottom: 8px; }
.footer ul a { transition: color .2s; }
.footer ul a:hover { color: var(--bt-pink); }
.socials-footer { display: flex; gap: 12px; margin-top: 16px; }
.socials-footer a {
  width: 42px; height: 42px; background: var(--bt-pink);
  border-radius: 50%; display: grid; place-items: center;
  transition: transform .2s, background .2s;
  border: 2px solid var(--white); color: var(--white); font-weight: 700;
}
.socials-footer a:hover { transform: translateY(-3px); background: var(--bt-yellow); color: var(--ink); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 22px; text-align: center;
  color: rgba(255,255,255,0.6); font-size: 0.9rem;
}

/* ---------- Page header ---------- */
.page-header {
  padding: 70px 0 60px; text-align: center;
  background: linear-gradient(180deg, var(--bt-yellow) 0%, var(--cream) 100%);
  border-bottom: 4px solid var(--ink);
  position: relative; z-index: 1;
}
.page-header h1 { margin-bottom: 14px; }
.page-header .breadcrumb { font-weight: 600; color: var(--ink-soft); }
.page-header .breadcrumb a { color: var(--bt-pink); }
.page-header .lead { margin: 0 auto; }

/* ---------- Filter bar ---------- */
.filter-bar { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  padding: 10px 20px; background: var(--white); color: var(--ink);
  border: 3px solid var(--ink); border-radius: 999px;
  font-weight: 700; font-size: 0.95rem;
  transition: all .15s; box-shadow: 3px 3px 0 var(--ink);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--bt-pink); color: var(--white);
  transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--ink);
}

/* ---------- Themes row (in product cards) ---------- */
.themes-row {
  background: linear-gradient(135deg, #FFF6D9 0%, #FFE8F1 100%);
  border: 2px dashed rgba(27,31,59,0.15);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.5;
}
.themes-row strong {
  display: block;
  font-family: var(--font-display);
  color: var(--ink);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

/* ---------- Gallery strip (product cards) ---------- */
.gallery-strip {
  display: flex; gap: 8px;
  padding: 12px 16px 14px;
  overflow-x: auto;
  background: linear-gradient(180deg, rgba(240,247,255,0.4) 0%, var(--white) 100%);
  border-bottom: 3px solid var(--ink);
  scrollbar-width: thin;
  scrollbar-color: var(--ink) transparent;
}
.gallery-strip::-webkit-scrollbar { height: 5px; }
.gallery-strip::-webkit-scrollbar-track { background: rgba(27,31,59,0.05); border-radius: 10px; }
.gallery-strip::-webkit-scrollbar-thumb { background: var(--ink); border-radius: 10px; }
.gallery-thumb {
  flex-shrink: 0; width: 60px; height: 46px;
  border: 2px solid rgba(27,31,59,0.2); border-radius: 8px;
  background: var(--white); overflow: hidden; cursor: pointer;
  transition: transform .15s, border-color .15s, box-shadow .15s;
  padding: 0;
}
.gallery-thumb:hover { transform: translateY(-2px); border-color: var(--bt-blue); }
.gallery-thumb.active {
  border-color: var(--bt-pink);
  box-shadow: 2px 2px 0 var(--ink);
  transform: translateY(-1px);
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 3px; display: block; }

/* ---------- Contact form ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 50px; }
@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; gap: 30px; } }

.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  background: var(--white); border: 3px solid var(--ink);
  border-radius: var(--radius-md); padding: 20px;
  box-shadow: 4px 4px 0 var(--ink); display: flex; gap: 16px; align-items: flex-start;
  transition: transform .15s, box-shadow .15s;
}
.contact-card:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.contact-card .icon {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px;
  display: grid; place-items: center; font-size: 1.4rem;
  border: 2px solid var(--ink);
}
.contact-card:nth-child(1) .icon { background: var(--bt-green); }
.contact-card:nth-child(2) .icon { background: var(--bt-blue); color: var(--white); }
.contact-card:nth-child(3) .icon { background: var(--bt-pink); color: var(--white); }
.contact-card:nth-child(4) .icon { background: var(--bt-yellow); }
.contact-card strong { display: block; font-family: var(--font-display); font-size: 1rem; margin-bottom: 4px; }
.contact-card a { color: var(--ink-soft); font-weight: 600; word-break: break-all; }
.contact-card a:hover { color: var(--bt-pink); }

.contact-form {
  background: var(--white); border: 3px solid var(--ink);
  border-radius: var(--radius-lg); padding: 32px;
  box-shadow: var(--shadow-pop);
}
.contact-form h3 { margin-bottom: 8px; }
.form-row { margin-bottom: 16px; }
.form-row label {
  display: block; font-weight: 700; margin-bottom: 6px;
  font-size: 0.92rem; color: var(--ink);
}
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 0.98rem;
  border: 2px solid var(--ink); border-radius: 12px;
  background: var(--cream); color: var(--ink);
  transition: border-color .15s, background .15s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none; background: var(--white); border-color: var(--bt-pink);
}
.form-row textarea { resize: vertical; min-height: 100px; }
.form-submit {
  background: var(--bt-pink); color: var(--white);
  padding: 14px 30px; border-radius: 999px;
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  border: 3px solid var(--ink); box-shadow: 5px 5px 0 var(--ink);
  width: 100%; margin-top: 8px;
  transition: transform .15s, box-shadow .15s;
}
.form-submit:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--ink); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }