/* --- CUSTOM VARIABLE THEME (LIGHT ORGANIC MOBILITY) --- */
:root {
  --sendi-bg-prime: #f6f8f5;       /* Soft pale herbal green background */
  --sendi-surface: #ffffff;        /* Pure white paper core surface */
  --sendi-accent: #2a6f4e;         /* Deep botanical forest green */
  --sendi-accent-hover: #1e5239;   /* Saturated dark evergreen */
  --sendi-accent-light: #e8f2ec;   /* Ultra-soft sage backdrop */
  --sendi-gold: #d4af37;           /* Healthy mobility gold */
  --sendi-ink-dark: #1a261f;       /* Premium charcoal green text */
  --sendi-ink-muted: #526359;      /* Smooth slate secondary text */
  --sendi-grad: linear-gradient(135deg, #2a6f4e 0%, #1a4d32 100%);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Poppins', sans-serif;
  
  /* Parameters */
  --border-radius-soft: 16px;
  --raised-shadow: 0 10px 30px -5px rgba(42, 111, 78, 0.12), 0 2px 8px -1px rgba(0, 0, 0, 0.05);
}

/* --- BASE STYLES --- */
body.sd-body-canvas {
  background-color: var(--sendi-bg-prime);
  color: var(--sendi-ink-dark);
  font-family: var(--font-body);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-transform: uppercase;
  color: var(--sendi-ink-dark);
}

/* Page Scroll Progress Animation */
.sd-scroller-track {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: rgba(42, 111, 78, 0.1);
  z-index: 100;
}
.sd-scroller-progress {
  height: 100%;
  width: 0%;
  background: var(--sendi-grad);
  animation: progress-grow linear;
  animation-timeline: scroll();
}
@keyframes progress-grow {
  to { width: 100%; }
}

/* --- HEADER AND NAVIGATION (Variant 2) --- */
.sd-roof-bar {
  background-color: var(--sendi-surface);
  position: sticky;
  top: 4px;
  z-index: 50;
  border-bottom: 1px solid rgba(42, 111, 78, 0.08);
}
.sd-nav-link {
  color: var(--sendi-ink-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
}
.sd-nav-link:hover {
  color: var(--sendi-accent);
}
.sd-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--sendi-accent);
  transition: width 0.3s ease;
}
.sd-nav-link:hover::after {
  width: 100%;
}
.sd-action-cta-header {
  background: var(--sendi-grad);
  color: white !important;
  padding: 0.6rem 1.4rem;
  border-radius: var(--border-radius-soft);
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.sd-action-cta-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(42, 111, 78, 0.2);
}

/* Pure CSS Burger Menu Toggle */
@media (max-width: 1023px) {
  .sd-main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--sendi-surface);
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    padding: 2rem 1rem;
    border-bottom: 2px solid var(--sendi-accent-light);
  }
  .sd-main-nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }
  #sd-mobile-toggle:checked ~ .sd-main-nav {
    display: block;
  }
}

/* --- HERO SCREEN (PRESET F - Minimal Editorial typography) --- */
.sd-hero-vault {
  background-image: url('img/bg.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.sd-hero-bg-overlay {
  background-color: rgba(246, 248, 245, 0.92); /* Gentle light tint */
  backdrop-filter: blur(4px);
}
.sd-hero-headline {
  font-size: clamp(2.5rem, 6.5vw, 6.5rem);
  line-height: 1.05;
  color: var(--sendi-accent);
  letter-spacing: -0.03em;
}
.sd-hero-tagline {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  color: var(--sendi-ink-muted);
  line-height: 1.6;
}
.sd-bounce-indicator {
  color: var(--sendi-accent);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* --- SECTIONS SPACING --- */
.sd-section-pad {
  padding-top: 10dvh;
  padding-bottom: 10dvh;
}
.sd-badge-text {
  color: var(--sendi-gold);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.sd-section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.sd-body-lead {
  color: var(--sendi-ink-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* --- CONTENT SECTION 1 (PRESET F Drop-Cap Styling) --- */
.sd-dropcap-block::first-letter {
  font-size: 4.8rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--sendi-accent);
  float: left;
  line-height: 0.8;
  margin-right: 12px;
  margin-top: 4px;
}
.sd-media-frame {
  border-radius: var(--border-radius-soft);
  box-shadow: var(--raised-shadow);
  transform: rotate(-1.5deg);
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.sd-media-frame:hover {
  transform: rotate(0deg) scale(1.02);
}

/* --- CTA STRIP (PRESET F Ghost Outline Style) --- */
.sd-prompter-strip {
  background: var(--sendi-grad);
}
.sd-cta-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
}
.sd-cta-subtitle {
  font-size: 1.15rem;
  opacity: 0.9;
}
.sd-ghost-action-btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: 2px solid white;
  border-radius: var(--border-radius-soft);
  color: white;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all 0.3s cubic-bezier(0.075, 0.82, 0.165, 1);
}
.sd-ghost-action-btn:hover {
  background-color: white;
  color: var(--sendi-accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

/* Separator styling */
.sd-sep-line {
  height: 2px;
  width: 120px;
  background: linear-gradient(90deg, transparent, var(--sendi-accent), transparent);
}

/* --- FEATURES (PRESET F Accordion Style, large numbers) --- */
.sd-manifesto-card {
  background-color: var(--sendi-surface);
  border-radius: var(--border-radius-soft);
  box-shadow: var(--raised-shadow);
  border: 1px solid rgba(42, 111, 78, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.sd-manifesto-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px -5px rgba(42, 111, 78, 0.18);
}
.sd-badge-num {
  font-family: var(--font-display);
  font-size: 7.5rem;
  font-weight: 800;
  color: var(--sendi-accent);
  opacity: 0.05;
  line-height: 0.75;
  pointer-events: none;
}
.sd-manifesto-head {
  color: var(--sendi-accent);
}

/* --- CONTENT SECTION 2 (Pull-quote block full width) --- */
.sd-pullquote-strip {
  background-color: var(--sendi-surface);
  border-left: 8px solid var(--sendi-accent);
  box-shadow: var(--raised-shadow);
}
.sd-pullquote-quote {
  color: var(--sendi-accent-hover);
  line-height: 1.5;
}

/* --- TESTIMONIALS (PRESET F Horizontal Cards, Quote Marks Left) --- */
.sd-feedback-card {
  background-color: var(--sendi-surface);
  box-shadow: var(--raised-shadow);
  border-bottom: 4px solid var(--sendi-accent);
}
.sd-quote-icon {
  font-family: 'Montserrat', sans-serif;
  font-size: 11rem;
  color: var(--sendi-accent-light);
  line-height: 1;
  top: -2.5rem;
  left: 0.8rem;
}
.sd-feedback-text {
  color: var(--sendi-ink-dark);
  line-height: 1.8;
}
.sd-feedback-author {
  color: var(--sendi-accent);
}
.sd-feedback-title {
  color: var(--sendi-ink-muted);
}

/* --- FAQ SECTION (Naked list, open, large bold questions) --- */
.sd-inquiry-box {
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(42, 111, 78, 0.12);
}
.sd-inquiry-box:last-child {
  border-bottom: none;
}
.sd-inquiry-question {
  color: var(--sendi-accent-hover);
  line-height: 1.3;
}
.sd-inquiry-answer {
  color: var(--sendi-ink-muted);
  line-height: 1.7;
}

/* --- FORM SECTION (PRESET F Minimalist form Underline style) --- */
.sd-minimalist-form .sd-form-group {
  width: 100%;
}
.sd-form-input {
  border-bottom: 2px solid rgba(42, 111, 78, 0.2);
  color: var(--sendi-ink-dark);
  font-size: 1.05rem;
  transition: all 0.3s ease;
}
.sd-form-input::placeholder {
  color: var(--sendi-ink-muted);
  opacity: 0.6;
}
.sd-form-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background-color: var(--sendi-accent);
  transition: width 0.3s ease;
}
.sd-form-input:focus ~ .sd-form-bar {
  width: 100%;
}
.sd-form-input:focus {
  border-bottom-color: transparent;
}
.sd-form-submit-btn {
  background: var(--sendi-grad);
  color: white;
  border-radius: var(--border-radius-soft);
  font-family: var(--font-display);
}
.sd-form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(42, 111, 78, 0.3);
}

/* --- FOOTER UTILITIES --- */
.sd-footer-shell {
  background-color: var(--sendi-ink-dark);
}
.sd-footer-nav a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
}
.sd-footer-nav a:hover {
  color: var(--sendi-gold);
}

/* Scroll Animations View Timeline */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: no-preference) {
  .sd-section-pad, .sd-manifesto-card, .sd-feedback-card, .sd-pullquote-strip {
    animation: fadeInUp both;
    animation-timeline: view();
    animation-range: entry 10% cover 30%;
  }
}