/* =============================================
   STYLE.CSS — SK Version 4
   design-style: corporate-clean | color-mode: light
   border-style: sharp | shadow-style: flat
   ============================================= */

:root {
  --primary-color: #7D3C98;
  --secondary-color: #D2B4DE;
  --accent-color: #6C3483;
  --light-color: #F9F4FC;
  --dark-color: #2C1654;
  --gradient-primary: linear-gradient(135deg, #6C3483 0%, #7D3C98 100%);
  --hover-color: #5B2C6F;
  --background-color: #FDFBFF;
  --text-color: #3D2460;
  --border-color: rgba(125, 60, 152, 0.18);
  --divider-color: rgba(125, 60, 152, 0.12);
  --shadow-color: rgba(125, 60, 152, 0.07);
  --highlight-color: #D4AC0D;
  --main-font: 'Merriweather', serif;
  --alt-font: 'Inter', sans-serif;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-btn: 0px;
  --shadow-card: none;
  --shadow-hover: none;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--alt-font);
  font-size: clamp(14px, 4vw, 17px);
  color: var(--text-color);
  background-color: var(--background-color);
  overflow-x: hidden;
  line-height: 1.75;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-color); text-decoration: none; transition: color .25s; }
a:hover { color: var(--hover-color); }
h1, h2, h3, h4 { font-family: var(--main-font); line-height: 1.2; color: var(--dark-color); font-weight: 700; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ── PATTERN BG ── */
.pattern-bg {
  background-image:
    repeating-linear-gradient(
      180deg,
      transparent 0px, transparent 42px,
      rgba(125,60,152,0.05) 42px, rgba(125,60,152,0.05) 43px
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0px, transparent 42px,
      rgba(125,60,152,0.03) 42px, rgba(125,60,152,0.03) 43px
    );
}

/* ── HEADER ── */
header {
  position: relative;
  width: 100%;
  background-color: var(--background-color);
  border-bottom: 2px solid var(--border-color);
  z-index: 100;
  padding: 1.1rem 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo img { height: 42px; width: auto; }

#nav-toggle { display: none; }

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  min-height: 44px;
  min-width: 44px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary-color);
  transition: transform .3s, opacity .3s;
}
#nav-toggle:checked ~ header .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#nav-toggle:checked ~ header .hamburger span:nth-child(2) { opacity: 0; }
#nav-toggle:checked ~ header .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.navigation {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--background-color);
  border-bottom: 2px solid var(--border-color);
  box-shadow: 0 8px 24px rgba(125,60,152,0.1);
  padding: 16px;
  z-index: 99;
}
#nav-toggle:checked ~ header .navigation { display: block; }

.navigation ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.navigation a {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  min-height: 44px;
  font-family: var(--main-font);
  font-size: 14px;
  font-weight: 700;
  transition: color .2s, background .2s;
}
.navigation a:hover { background: var(--light-color); color: var(--primary-color); }

@media (min-width: 768px) {
  .hamburger { display: none; }
  .navigation {
    display: block !important;
    position: static;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .navigation ul { flex-direction: row; gap: 4px; align-items: center; }
}

/* ── BTN ── */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  min-height: 44px;
  font-family: var(--main-font);
  font-weight: 700;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: background .25s, color .25s;
}
.btn-primary { background: var(--primary-color); color: #fff; }
.btn-primary:hover { background: var(--hover-color); color: #fff; }
.btn-gold { background: var(--highlight-color); color: #fff; }
.btn-gold:hover { background: #b7950b; color: #fff; }
.btn-outline-light { background: transparent; color: #fff; border: 2px solid #fff; }
.btn-outline-light:hover { background: #fff; color: var(--primary-color); }

/* ── HERO — split-color ── */
.hero {
  min-height: 75vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.hero-left {
  background: var(--gradient-primary);
  padding: 56px 16px;
  display: flex;
  align-items: center;
  flex: 1;
}
.hero-left-inner { max-width: 520px; }

.hero-label {
  display: inline-block;
  background: rgba(255,255,255,0.16);
  color: #fff;
  font-family: var(--main-font);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 6px 16px;
  margin-bottom: 22px;
}
.hero h1 { font-size: clamp(28px, 5.5vw, 54px); color: #fff; margin-bottom: 18px; line-height: 1.1; }
.hero-subtitle { font-size: clamp(15px, 2.5vw, 18px); color: rgba(255,255,255,0.83); margin-bottom: 32px; line-height: 1.7; }

.hero-right { flex: none; overflow: hidden; }
.hero-right img { width: 100%; height: 100%; object-fit: cover; display: block; }

@media (min-width: 768px) {
  .hero { flex-direction: row; min-height: 75vh; }
  .hero-left { width: 50vw; padding: 80px 48px; }
  .hero-right { display: block; }
}

/* ── INTRO ── */
.intro-section {
  padding: 48px 16px;
  background: var(--background-color);
  border-bottom: 1px solid var(--border-color);
}
@media (min-width: 768px) { .intro-section { padding: 72px 24px; } }
.intro-section h2 { font-size: clamp(20px, 3.5vw, 34px); margin-bottom: 16px; color: var(--accent-color); }
.intro-section p { font-size: clamp(14px, 3vw, 17px); max-width: 820px; line-height: 1.85; }

/* ── BETWEEN — two-col-text ── */
.between-section {
  width: 100%;
  padding: 48px 16px;
  background: var(--light-color);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
@media (min-width: 768px) { .between-section { padding: 72px 24px; } }

.two-col-header { max-width: 1200px; margin: 0 auto 36px; }
.two-col-header h2 { font-size: clamp(20px, 3.5vw, 34px); color: var(--dark-color); margin-bottom: 8px; }
.two-col-header p { font-size: clamp(14px, 2.5vw, 16px); color: var(--text-color); }

.two-col-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 768px) { .two-col-grid { grid-template-columns: 1fr 1fr; gap: 52px; } }

.two-col-block h3 {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--accent-color);
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
}
.two-col-block p { font-size: clamp(14px, 2.5vw, 16px); line-height: 1.85; margin-bottom: 12px; }

/* ── FEATURES — timeline ── */
.features-section {
  padding: 48px 16px;
  background: var(--background-color);
}
@media (min-width: 768px) { .features-section { padding: 80px 24px; } }

.section-title { font-size: clamp(22px, 4vw, 38px); text-align: center; margin-bottom: 12px; }
.section-subtitle { text-align: center; font-size: clamp(14px, 3vw, 16px); color: var(--text-color); max-width: 600px; margin: 0 auto 52px; }

.timeline { max-width: 820px; margin: 0 auto; position: relative; }

@media (min-width: 768px) {
  .timeline::before {
    content: '';
    position: absolute;
    left: 22px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--secondary-color);
  }
}

.timeline-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
@media (min-width: 768px) {
  .timeline-item { flex-direction: row; gap: 28px; align-items: flex-start; padding-left: 12px; }
}

.timeline-dot {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  position: relative;
  z-index: 1;
}

.timeline-body {
  background: var(--light-color);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--primary-color);
  padding: 22px 24px;
  flex: 1;
}
.timeline-body h3 { font-size: clamp(15px, 2.5vw, 18px); color: var(--dark-color); margin-bottom: 8px; }
.timeline-body p { font-size: clamp(13px, 2vw, 15px); line-height: 1.75; }

/* ── IMG OVERLAP ── */
.imgtext-section {
  padding: 48px 16px 0;
  background: var(--light-color);
  overflow: hidden;
}
@media (min-width: 768px) { .imgtext-section { padding: 80px 24px 0; } }

.imgtext-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: end;
}
@media (min-width: 1024px) { .imgtext-inner { grid-template-columns: 55% 45%; align-items: center; } }

.imgtext-content { padding-bottom: 48px; }
@media (min-width: 1024px) { .imgtext-content { padding-bottom: 80px; padding-right: 32px; } }

.imgtext-content h2 { font-size: clamp(20px, 3.5vw, 34px); color: var(--accent-color); margin-bottom: 18px; }
.imgtext-content p { font-size: clamp(14px, 2.5vw, 16px); line-height: 1.85; margin-bottom: 12px; }
.imgtext-content .btn { margin-top: 16px; }

.imgtext-img-wrap { position: relative; }
@media (min-width: 1024px) { .imgtext-img-wrap { margin-bottom: -48px; } }
.imgtext-img-wrap img {
  width: 100%;
  border-top: 3px solid var(--primary-color);
  border-left: 3px solid var(--primary-color);
  display: block;
}
@media (min-width: 1024px) { .imgtext-img-wrap img { margin-left: 24px; } }

/* ── TESTIMONIALS — cards ── */
.testimonials-section {
  padding: 96px 16px 48px;
  background: var(--background-color);
  border-top: 1px solid var(--border-color);
}
@media (min-width: 768px) { .testimonials-section { padding: 112px 24px 80px; } }

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 40px;
}
@media (min-width: 768px) { .testimonials-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .testimonials-grid { grid-template-columns: repeat(4, 1fr); } }

.testimonial-card {
  background: var(--light-color);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--primary-color);
  padding: 24px 20px;
  transition: border-top-color .25s;
}
.testimonial-card:hover { border-top-color: var(--highlight-color); }
.testimonial-card:nth-child(even) { border-top-color: var(--highlight-color); }
.testimonial-card:nth-child(even):hover { border-top-color: var(--primary-color); }

.stars { color: var(--highlight-color); font-size: 15px; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-text { font-size: clamp(13px, 2vw, 15px); line-height: 1.75; font-style: italic; margin-bottom: 16px; }
.testimonial-name { font-family: var(--main-font); font-weight: 700; font-size: 13px; color: var(--accent-color); text-transform: uppercase; letter-spacing: .05em; }

/* ── CONTACT ── */
.contact-section {
  padding: 48px 16px;
  background: var(--light-color);
  border-top: 1px solid var(--border-color);
}
@media (min-width: 768px) { .contact-section { padding: 80px 24px; } }

.contact-wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) { .contact-wrap { width: 80%; grid-template-columns: 1fr 1.4fr; } }

.contact-info h2 { font-size: clamp(20px, 3.5vw, 30px); margin-bottom: 20px; color: var(--accent-color); }
.contact-detail { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.contact-detail-icon { font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.contact-detail p { font-size: 15px; line-height: 1.6; }

.contact-form h3 { font-size: clamp(17px, 2.5vw, 22px); margin-bottom: 22px; color: var(--dark-color); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; color: var(--dark-color); font-family: var(--main-font); }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  min-height: 44px;
  border: 1.5px solid var(--border-color);
  font-family: var(--alt-font);
  font-size: 15px;
  color: var(--text-color);
  background: #fff;
  outline: none;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--primary-color); }
.form-group textarea { min-height: 110px; resize: vertical; }

.btn-submit {
  width: 100%;
  padding: 14px;
  font-size: 14px;
  font-weight: 700;
  background: var(--primary-color);
  color: #fff;
  border: none;
  cursor: pointer;
  font-family: var(--main-font);
  min-height: 44px;
  transition: background .25s;
}
.btn-submit:hover { background: var(--hover-color); }

/* ── FAQ ── */
.faq-section {
  padding: 48px 16px;
  background: var(--background-color);
  border-top: 1px solid var(--border-color);
}
@media (min-width: 768px) { .faq-section { padding: 80px 24px; } }

.faq-list { margin-top: 36px; max-width: 860px; margin-left: auto; margin-right: auto; }
.faq-item { padding: 24px 0; border-bottom: 1px solid var(--divider-color); }
.faq-item:first-child { border-top: 1px solid var(--divider-color); }
.faq-question {
  font-family: var(--main-font);
  font-size: clamp(15px, 2.5vw, 17px);
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 12px;
  padding-left: 14px;
  border-left: 3px solid var(--highlight-color);
}
.faq-answer { font-size: clamp(14px, 2.5vw, 16px); line-height: 1.8; padding-left: 14px; }

/* ── FOOTER ── */
footer {
  background: var(--dark-color);
  color: rgba(255,255,255,0.72);
  padding: 48px 16px 24px;
  border-top: 3px solid var(--primary-color);
}
footer img[alt="logo"] { filter: brightness(0) invert(1); }

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer-logo img { height: 40px; width: auto; }
.footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.footer-nav a { color: rgba(255,255,255,0.55); font-size: 14px; transition: color .2s; display: flex; align-items: center; min-height: 44px; }
.footer-nav a:hover { color: var(--secondary-color); }
.footer-copy { max-width: 1200px; margin: 24px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; font-size: 13px; color: rgba(255,255,255,0.3); }

@media (min-width: 768px) {
  .footer-inner { flex-direction: row; justify-content: space-between; text-align: left; align-items: center; }
  .footer-nav ul { flex-direction: row; gap: 24px; align-items: center; }
}