/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #021F4F;
  --navy-light: #0A2E6E;
  --gold: #C9A84C;
  --gold-light: #E0C47A;
  --nude: #E8D5C4;
  --cream: #F9F5F0;
  --cream-dark: #F0EAE2;
  --dark: #1A1A1A;
  --mid: #4A4A4A;
  --gray: #888888;
  --white: #FFFFFF;
  --font-title: 'Playfair Display', Georgia, serif;
  --font-body: 'Montserrat', sans-serif;
}

html { scroll-behavior: smooth; scroll-padding-top: 74px; }

/* Reveal on-scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.rd1 { transition-delay: .08s; }
.rd2 { transition-delay: .16s; }
.rd3 { transition-delay: .24s; }
.rd4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3 {
  font-family: var(--font-title);
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }

em { font-style: italic; color: var(--gold); }

a { text-decoration: none; }
s { color: var(--gray); }

/* ===== BOTÕES ===== */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 1px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
  border: none;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  padding: 16px 36px;
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.35);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201, 168, 76, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
  padding: 14px 36px;
}

.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-nav {
  background: var(--gold);
  color: var(--navy);
  padding: 10px 24px;
  font-size: 0.8rem;
}

.btn-nav:hover { background: var(--gold-light); }

.btn-large {
  font-size: 1rem;
  padding: 20px 52px;
}

/* ===== LABELS / TAGS ===== */
.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  color: var(--mid);
  font-size: 1rem;
  margin-bottom: 56px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  white-space: nowrap;
}

.eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.eyebrow.light { color: var(--gold-light); }

/* ===== HEADER / NAVBAR ===== */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--cream-dark);
  padding: 16px 0;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 48px;
  width: auto;
  flex-shrink: 0;
  mix-blend-mode: multiply;
}

.footer-logo-img {
  height: 40px;
  background: white;
  border-radius: 50%;
  padding: 2px;
}

.logo-text { display: flex; flex-direction: column; }

.logo-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--navy);
  line-height: 1.1;
}

.logo-sub {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--gold);
  text-transform: uppercase;
}

/* ===== HERO ===== */
.hero {
  background: var(--cream);
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text h1 {
  color: var(--navy);
  margin-bottom: 20px;
}

.hero-desc {
  color: var(--mid);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.hero-pillars span {
  background: var(--white);
  border: 1px solid var(--nude);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
}

/* -- visual lado direito -- */
.hero-visual { position: relative; }

.hero-card-main {
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 16px 48px rgba(2, 31, 79, 0.12);
  border: 1px solid var(--cream-dark);
}

.card-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.card-title {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
  line-height: 1.25;
}

.card-bars {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.bar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--mid);
}

.bar-item > span:first-child { width: 110px; flex-shrink: 0; }

.bar {
  flex: 1;
  height: 8px;
  background: var(--cream-dark);
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--navy), var(--navy-light));
  border-radius: 4px;
}

.bar-pct {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.8rem;
  width: 32px;
  text-align: right;
}

.card-result {
  background: var(--cream);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--mid);
  border-left: 3px solid var(--gold);
}

.card-result strong { color: var(--navy); font-size: 1rem; }

.hero-card-badge {
  position: absolute;
  bottom: -80px;
  right: -20px;
  background: var(--navy);
  color: var(--white);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  box-shadow: 0 8px 24px rgba(2, 31, 79, 0.2);
}

.badge-icon { color: var(--gold); font-size: 1rem; margin-bottom: 2px; }

.hero-card-badge strong {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.hero-card-badge span {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.7);
  text-align: center;
}

/* ===== BENEFÍCIOS ===== */
.benefits {
  background: var(--white);
  padding: 96px 0;
  text-align: center;
}

.benefits h2 { color: var(--navy); margin-bottom: 48px; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}

.benefit-card {
  background: var(--cream);
  border-radius: 12px;
  padding: 36px 28px;
  text-align: left;
  border: 1px solid var(--cream-dark);
  transition: border-color 0.25s, transform 0.25s;
}

.benefit-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.benefit-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.benefit-card h3 {
  color: var(--navy);
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.benefit-card p { color: var(--mid); font-size: 0.88rem; line-height: 1.65; }

/* ===== PLANOS ===== */
.plans {
  background: var(--cream);
  padding: 96px 0;
  text-align: center;
}

.plans h2 { color: var(--navy); }

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  margin-top: 8px;
}

.plan-card {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: left;
  position: relative;
  transition: box-shadow 0.3s;
}

.plan-card:hover {
  box-shadow: 0 12px 40px rgba(2, 31, 79, 0.1);
}

.plan-featured {
  border: 2px solid var(--gold);
  box-shadow: 0 16px 48px rgba(2, 31, 79, 0.12);
  transform: translateY(-8px);
}

.plan-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--navy);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 2px;
  padding: 5px 20px;
  border-radius: 50px;
  white-space: nowrap;
}

.plan-header { margin-bottom: 24px; }

.plan-name {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.plan-tagline {
  font-size: 0.8rem;
  color: var(--gray);
}

.plan-price { margin-bottom: 28px; }

.price-from {
  display: block;
  font-size: 0.82rem;
  color: var(--gray);
  margin-bottom: 4px;
}

.price-main {
  font-family: var(--font-title);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 4px;
}

.plan-featured .price-main { color: var(--gold); }

.price-install {
  font-size: 0.78rem;
  color: var(--gray);
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.plan-features li {
  font-size: 0.85rem;
  line-height: 1.4;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--cream-dark);
}

.plan-features li:last-child { border-bottom: none; }

.plan-features .included { color: var(--dark); }
.plan-features .included::first-letter { color: var(--gold); }

.plan-features .not-included {
  color: var(--gray);
  text-decoration: line-through;
  opacity: 0.6;
}

.plan-card .btn {
  width: 100%;
  display: block;
  margin-bottom: 12px;
}

.plan-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray);
}

.compare-note {
  margin-top: 40px;
  font-size: 0.88rem;
  color: var(--mid);
}

.compare-note a { color: var(--navy); font-weight: 600; text-decoration: underline; }

/* ===== SOBRE ===== */
.about {
  background: var(--navy);
  padding: 96px 0;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: center;
}

.about-photo { position: relative; }

.photo-box {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background: var(--cream);
}

.about-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.photo-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(2,31,79,0.6) 100%);
  pointer-events: none;
  border-radius: 20px;
}

.about-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--gold);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.about-badge strong {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.about-badge span {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--navy);
  text-align: center;
  margin-top: 2px;
}

.about-text .eyebrow { color: var(--gold-light); }

.about-text h2 {
  color: var(--white);
  margin-bottom: 20px;
}

.about-text p {
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.pillar {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(201, 168, 76, 0.25);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== DEPOIMENTOS ===== */
.testimonials {
  background: var(--white);
  padding: 96px 0;
  text-align: center;
}

.testimonials h2 { color: var(--navy); margin-bottom: 48px; }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-radius: 12px;
  padding: 32px 28px;
  text-align: left;
}

.stars {
  color: var(--gold);
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-card p {
  color: var(--mid);
  font-size: 0.9rem;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 42px;
  height: 42px;
  background: var(--navy);
  color: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.testimonial-author strong { display: block; font-size: 0.88rem; color: var(--navy); }
.testimonial-author span { font-size: 0.78rem; color: var(--gray); }

/* ===== GARANTIA ===== */
.guarantee {
  background: var(--cream-dark);
  padding: 72px 0;
}

.guarantee-inner {
  display: flex;
  align-items: center;
  gap: 48px;
  max-width: 780px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--nude);
  border-radius: 16px;
  padding: 48px 56px;
  box-shadow: 0 8px 32px rgba(2, 31, 79, 0.07);
}

.guarantee-icon-box { text-align: center; flex-shrink: 0; }

.guarantee-shield { font-size: 3rem; }

.guarantee-days {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--navy);
  line-height: 1.2;
  margin-top: 8px;
}

.guarantee-text h2 { color: var(--navy); font-size: 1.5rem; margin-bottom: 12px; }
.guarantee-text p { color: var(--mid); font-size: 0.9rem; line-height: 1.7; }

/* ===== FAQ ===== */
.faq {
  background: var(--white);
  padding: 96px 0;
  text-align: center;
}

.faq h2 { color: var(--navy); margin-bottom: 48px; }

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}

.faq-item { border-bottom: 1px solid var(--cream-dark); }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  padding: 20px 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--gold);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.3s;
}

.faq-item.open .faq-question { color: var(--gold); }
.faq-item.open .faq-question::after { transform: rotate(45deg); }

.faq-answer p {
  color: var(--mid);
  font-size: 0.88rem;
  padding: 0 0 20px;
  line-height: 1.7;
}

/* ===== CTA FINAL ===== */
.final-cta {
  background: var(--navy);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(201,168,76,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.final-cta-inner { position: relative; }

.final-cta h2 {
  color: var(--white);
  margin-bottom: 36px;
}

.final-note {
  margin-top: 20px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* ===== FOOTER ===== */
.footer {
  background: #020D20;
  padding: 48px 0;
  text-align: center;
}

.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 16px; }

.footer .logo { justify-content: center; }
.footer .logo-name { color: var(--white); }

.footer-copy { color: var(--gray); font-size: 0.82rem; }

.footer-links a {
  color: var(--gray);
  font-size: 0.82rem;
  margin: 0 6px;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold); }

.footer-disclaimer {
  max-width: 620px;
  font-size: 0.72rem;
  color: #444;
  line-height: 1.6;
}

/* ===== DOR ===== */
.dor-sec { background: var(--dark); padding: 96px 0; }
.dor-sec .section-tag { color: rgba(201,168,76,0.8); }
.dor-sec h2 { font-family: var(--font-title); color: var(--white); margin-bottom: 48px; }
.dor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.dor-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(201,168,76,0.12); border-radius: 12px; padding: 28px 24px; transition: background 0.3s, border-color 0.3s; }
.dor-card:hover { background: rgba(255,255,255,0.07); border-color: rgba(201,168,76,0.25); }
.dor-icon { font-size: 1.5rem; margin-bottom: 12px; }
.dor-card strong { display: block; font-size: 0.88rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.dor-card p { font-size: 0.8rem; color: rgba(255,255,255,0.5); line-height: 1.65; }
.dor-virada { background: rgba(201,168,76,0.07) !important; border-color: rgba(201,168,76,0.35) !important; grid-column: span 3; display: flex; align-items: center; gap: 24px; }
.dor-virada strong { font-family: var(--font-title); font-style: italic; font-size: 1.1rem; color: var(--gold) !important; flex-shrink: 0; }
.dor-virada p { color: rgba(255,255,255,0.7) !important; font-size: 0.88rem; margin: 0; }

/* ===== FASES ===== */
.fases-sec { background: var(--navy); padding: 96px 0; }
.fases-sec .section-tag { color: rgba(201,168,76,0.8); }
.fases-sec h2 { font-family: var(--font-title); color: var(--white); margin-bottom: 48px; }
.fases-grid { display: flex; align-items: stretch; }
.fase-card { flex: 1; background: rgba(255,255,255,0.04); border-top: 1px solid rgba(201,168,76,0.2); border-bottom: 1px solid rgba(201,168,76,0.2); padding: 36px 28px; text-align: center; }
.fase-card:first-child { border-left: 1px solid rgba(201,168,76,0.2); border-radius: 12px 0 0 12px; }
.fase-card:last-child { border-right: 1px solid rgba(201,168,76,0.2); border-radius: 0 12px 12px 0; }
.fase-num { font-family: var(--font-title); font-size: 2.6rem; font-weight: 900; color: var(--gold); opacity: 0.35; line-height: 1; margin-bottom: 12px; }
.fase-card strong { display: block; font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.fase-card p { font-size: 0.8rem; color: rgba(255,255,255,0.5); line-height: 1.65; }
.fase-sep { width: 1px; background: rgba(201,168,76,0.2); flex-shrink: 0; }

/* Plan highlight item */
.plan-highlight-item { background: rgba(201,168,76,0.1) !important; border: 1px solid rgba(201,168,76,0.35) !important; border-radius: 6px !important; padding: 8px 12px !important; font-weight: 600; margin-top: 4px; }

/* ===== STICKY CTA (mobile) ===== */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 200; padding: 12px 16px; background: rgba(2,31,79,0.97); backdrop-filter: blur(8px); border-top: 1px solid rgba(201,168,76,0.25); transform: translateY(120%); transition: transform .4s cubic-bezier(.16,1,.3,1); display: none; }
.sticky-cta.show { transform: none; }
@media (max-width: 768px) {
  .sticky-cta { display: block; }
  body { padding-bottom: 72px; }
}

/* ===== RESPONSIVO ===== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual { display: none; }
  .about-inner { grid-template-columns: 1fr; }
  .about-photo { display: none; }
}

@media (max-width: 680px) {
  .plans-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 8px auto 0;
  }
  .plan-featured { transform: none; }
}

@media (max-width: 768px) {
  .nav-inner .btn-nav { display: none; }
  .guarantee-inner {
    flex-direction: column;
    text-align: center;
    padding: 36px 28px;
  }
  .hero { padding: 60px 0 80px; }
}

@media (max-width: 1024px) {
  .dor-grid { grid-template-columns: repeat(2, 1fr); }
  .dor-virada { grid-column: span 2; flex-direction: column; gap: 8px; }
  .fases-grid { flex-wrap: wrap; }
  .fase-card { min-width: calc(50% - 1px); }
  .fase-card:first-child { border-radius: 12px 0 0 0; }
  .fase-card:nth-child(3) { border-right: 1px solid rgba(201,168,76,0.2); border-radius: 0 12px 0 0; }
  .fase-card:last-child { border-left: 1px solid rgba(201,168,76,0.2); border-radius: 0 0 12px 12px; grid-column: span 2; }
}

@media (max-width: 768px) {
  .dor-sec { padding: 64px 0; }
  .dor-grid { grid-template-columns: 1fr; }
  .dor-virada { grid-column: span 1; flex-direction: column; }
  .fases-sec { padding: 64px 0; }
  .fases-grid { flex-direction: column; }
  .fase-card { border-left: 1px solid rgba(201,168,76,0.2) !important; border-right: 1px solid rgba(201,168,76,0.2) !important; border-radius: 0 !important; border-top: none !important; }
  .fase-card:first-child { border-top: 1px solid rgba(201,168,76,0.2) !important; border-radius: 12px 12px 0 0 !important; }
  .fase-card:last-child { border-radius: 0 0 12px 12px !important; }
  .fase-sep { width: 100%; height: 1px; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  .price-main { font-size: 2rem; }
  .btn-large { padding: 18px 32px; font-size: 0.9rem; }
}