/* palette: golden-rose */
:root {
  --primary-color: #8C7000;
  --secondary-color: #B09000;
  --accent-color: #C2185B;
  --background-color: #FFFBE0;
  --dark-color: #111111;
  --text-color: #333333;
  --border-color: rgba(0,0,0,0.12);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --main-font: 'Merriweather', serif;
  --alt-font: 'Inter', sans-serif;
}

/* Base Style Setup V5 */
*, ::before, ::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--alt-font);
  color: var(--text-color);
  background-color: #F8FAFC;
}

body {
  margin: 0;
  padding: 0;
  line-height: 1.7;
  font-size: clamp(14px, 1.6vw, 17px);
  background-color: #F8FAFC;
  overflow-x: hidden;
}

/* PRESET STYLES: TECH-CARD EXACT RULES */
section {
  padding: 56px 16px;
  margin: 0;
}

@media(min-width:1024px) {
  section {
    padding: 64px 24px;
  }
}

body {
  background: #F8FAFC;
}

.card {
  background: #fff;
  border: none;
  border-top: 3px solid var(--primary-color);
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.04), 0 10px 30px rgba(0,0,0,0.06);
  padding: 28px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-tag, .card-label {
  font-size: 0.7rem;
  font-family: monospace;
  letter-spacing: 0.12em;
  color: var(--accent-color);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

h1, h2 {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-family: var(--main-font);
  color: var(--dark-color);
}

h1 {
  font-size: clamp(32px, 5.5vw, 56px);
  line-height: 1.15;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.25;
  margin-bottom: 12px;
}

h3 {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark-color);
}

.btn {
  border-radius: 6px;
  font-weight: 600;
  display: inline-block;
  padding: 14px 28px;
  min-height: 44px;
  text-align: center;
  text-decoration: none;
  transition: transform .15s, box-shadow .15s, background-color .15s;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #a31149;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(194, 24, 91, 0.3);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: #ffffff;
  transform: translateY(-2px);
}

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
}

.bg-alt {
  background-color: #FFFFFF;
}

/* HEADER & MOBILE NAV */
header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  z-index: 1000;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  max-height: 40px;
  width: auto;
  display: block;
}

.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
  z-index: 1001;
}

.burger-btn .bar {
  height: 3px;
  width: 100%;
  background-color: var(--dark-color);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--background-color);
  border-bottom: 2px solid var(--primary-color);
  padding: 20px;
  box-shadow: var(--shadow-md);
}

.site-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.site-nav a {
  text-decoration: none;
  color: var(--dark-color);
  font-weight: 600;
  font-size: 16px;
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--accent-color);
}

#menu-toggle:checked ~ .site-nav {
  display: block;
}

#menu-toggle:checked ~ .burger-btn .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

#menu-toggle:checked ~ .burger-btn .bar:nth-child(2) {
  opacity: 0;
}

#menu-toggle:checked ~ .burger-btn .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@media(min-width: 900px) {
  .burger-btn {
    display: none;
  }
  .site-nav {
    display: flex !important;
    position: static;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
  }
  .site-nav ul {
    flex-direction: row;
    gap: 24px;
  }
  .site-nav a {
    font-size: 14px;
  }
}

/* HERO NOISE-MESH VARIANT */
.hero-mesh {
  min-height: 89vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background-color: var(--background-color);
  background-image: 
    radial-gradient(at 20% 20%, rgba(194, 24, 91, 0.18) 0px, transparent 50%),
    radial-gradient(at 80% 30%, rgba(140, 112, 0, 0.25) 0px, transparent 50%),
    radial-gradient(at 50% 80%, rgba(176, 144, 0, 0.2) 0px, transparent 50%);
  padding: 64px 24px;
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  max-width: 620px;
  margin: 0 auto 32px auto;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-color);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
  align-items: center;
}

@media(min-width: 640px) {
  .hero-actions {
    flex-direction: row;
  }
}

/* MYTH VS FACT */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.myth-badge {
  background-color: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

.fact-badge {
  background-color: rgba(34, 197, 94, 0.12);
  color: #16a34a;
}

.myth-card {
  border-top-color: #ef4444;
}

.fact-card {
  border-top-color: #22c55e;
}

/* HOW IT WORKS */
.step-card {
  position: relative;
}

.step-num {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--accent-color);
  opacity: 0.25;
  line-height: 1;
  position: absolute;
  top: 16px;
  right: 24px;
}

/* NUMBERED FACTS */
.numbered-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.num-display {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--accent-color);
  line-height: 1;
  opacity: 0.8;
}

/* CHECKLIST */
.checklist-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #ffffff;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.check-icon {
  color: var(--accent-color);
  font-size: 1.25rem;
  margin-top: 2px;
}

/* EXPERT QUOTE */
.quote-section {
  background-color: var(--primary-color);
  color: #ffffff;
  min-height: 320px;
  display: flex;
  align-items: center;
}

.quote-section h2, .quote-section p {
  color: #ffffff;
}

.quote-mark {
  font-size: 6rem;
  line-height: 0.5;
  color: var(--background-color);
  opacity: 0.3;
  font-family: serif;
}

.expert-blockquote {
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-style: italic;
  font-family: var(--main-font);
  line-height: 1.4;
  margin: 16px 0;
}

.expert-name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 2px;
}

.expert-title {
  font-size: 0.9rem;
  opacity: 0.85;
}

/* CONTACT & FAQ */
.contact-details-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-details-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.contact-details-list i {
  color: var(--accent-color);
  margin-top: 4px;
}

.info-box-note {
  background: #fffbe0;
  border-left: 4px solid var(--primary-color);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: #555;
}

.faq-card {
  border-top-color: var(--secondary-color);
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-question i {
  color: var(--accent-color);
}

.faq-answer {
  color: var(--text-color);
  font-size: 0.95rem;
}

/* FOOTER */
footer {
  background-color: var(--dark-color);
  color: #ffffff;
  padding: 48px 24px 24px 24px;
  border-top: 3px solid var(--primary-color);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

@media(min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

footer img[alt="logo"] {
  filter: brightness(0) invert(1);
  max-height: 36px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.footer-nav a {
  color: #cccccc;
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: #ffffff;
}

.footer-copy {
  font-size: 0.8rem;
  color: #888888;
  margin: 0;
}

/* ANIMATIONS (CSS-ONLY) */
@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  animation: reveal-up linear both;
  animation-timeline: view();
  animation-range: entry 0% entry 30%;
}

.card:nth-child(1) { animation-delay: 0s; }
.card:nth-child(2) { animation-delay: 0.12s; }
.card:nth-child(3) { animation-delay: 0.24s; }
.card:nth-child(4) { animation-delay: 0.36s; }

/* Form inputs styling */
input[type="text"], input[type="email"], input[type="tel"], textarea {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--alt-font);
}

input[type="text"]:focus, input[type="email"]:focus, input[type="tel"]:focus, textarea:focus {
  border-color: var(--accent-color);
  outline: none;
}