/**
 * RBK STUDIO × RBK KONSTRUKSI — LANDING PAGE STYLESHEET
 * File: public/assets/css/style.css
 * Built on Vanilla CSS with design tokens from tokens.css
 */

@import url('tokens.css');

/* Reset & Core Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--color-white);
  color: var(--color-black);
  line-height: 1.55;
  overflow-x: hidden;
}

/* Typography Defaults */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.15;
  color: inherit;
}

h1 em, h2 em, h3 em {
  font-style: italic;
  color: var(--color-orange);
}

.dark h1 em, .dark h2 em, .dark h3 em {
  color: var(--color-orange);
}

.light-bg h1 em, .light-bg h2 em, .light-bg h3 em {
  color: var(--color-orange-strong);
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Container & Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gut);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-16) 0;
  position: relative;
}

.section.alt {
  background: var(--color-surface-light);
}

.section.dark {
  background: var(--color-black);
  color: var(--color-white);
}

.eyebrow {
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-orange-strong);
  display: inline-block;
  margin-bottom: var(--space-2);
}

.dark .eyebrow {
  color: var(--color-orange);
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 22px;
  border-radius: var(--radius-full);
  font: 700 15px var(--font-body);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--duration-fast), background var(--duration-normal), color var(--duration-normal);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-orange, .btn.or {
  background: var(--color-orange);
  color: var(--color-black);
}

.btn-orange:hover, .btn.or:hover {
  background: var(--color-orange-strong);
  color: var(--color-white);
}

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

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

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

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

/* S0. Announcement Bar */
.announcement-bar {
  background: var(--color-black);
  color: var(--color-white);
  font-size: var(--fs-body-sm);
  font-weight: 600;
  text-align: center;
  padding: 8px var(--gut);
  border-bottom: 1px solid var(--color-border-dark);
}

.announcement-bar strong {
  color: var(--color-orange);
}

/* S1. Navbar Sticky */
.navbar-sticky {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  transition: padding var(--duration-fast);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.navbar-brand img,
.brand-logo {
  height: 48px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
}

.navbar-brand span {
  color: var(--color-orange);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.navbar-menu a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-black);
  transition: color var(--duration-fast);
}

.navbar-menu a:hover {
  color: var(--color-orange);
}

.hamburger-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-black);
}

/* S2. Hero Section */
.hero-section {
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-16) 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.hero-content h1 {
  font-size: var(--fs-h1);
  margin: var(--space-3) 0 var(--space-4);
}

.hero-content p {
  font-size: clamp(18px, 2.2vw, 20px);
  line-height: 1.65;
  color: var(--color-muted-dark);
  margin-bottom: var(--space-6);
}

.hero-content p strong {
  color: var(--color-white);
  font-weight: 800;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: var(--space-6);
}

.hero-chip {
  background: var(--color-surface-dark);
  border: 1.5px solid var(--color-border-dark);
  color: var(--color-white);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-chip.highlight {
  border-color: var(--color-orange);
  color: var(--color-orange);
  background: rgba(221, 92, 62, 0.08);
}

.hero-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border-dark);
  box-shadow: var(--shadow-lg);
}

.hero-visual figcaption {
  font-size: 12px;
  color: var(--color-muted-dark);
  margin-top: 8px;
  text-align: center;
}

/* S3. Trust Strip */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: center;
}

.trust-card,
.trust-item {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  transition: transform var(--duration-normal) var(--ease-smooth), box-shadow var(--duration-normal) var(--ease-smooth), border-color var(--duration-normal) var(--ease-smooth);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.trust-card::before,
.trust-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-orange);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.trust-card:hover,
.trust-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(221, 92, 62, 0.12);
  border-color: rgba(221, 92, 62, 0.4);
}

.trust-card:hover::before,
.trust-item:hover::before {
  opacity: 1;
}

.trust-card .val,
.trust-item .val {
  font-family: var(--font-heading);
  font-size: clamp(32px, 3.5vw, 42px);
  font-weight: 800;
  color: var(--color-orange);
  line-height: 1.1;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.trust-card .lbl,
.trust-item .lbl {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-black);
  line-height: 1.45;
  max-width: 240px;
  margin: 0 auto;
}

@media (max-width: 992px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

/* S4. Problem Grid (Kenapa Perlu Dengan Benar) */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: left;
  margin-bottom: var(--space-8);
}

.problem-card {
  background: var(--color-white);
  padding: 24px 20px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-orange);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--duration-normal) var(--ease-smooth), box-shadow var(--duration-normal) var(--ease-smooth), border-color var(--duration-normal) var(--ease-smooth);
}

.problem-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(221, 92, 62, 0.12);
  border-color: rgba(221, 92, 62, 0.4);
}

.problem-card .problem-icon {
  font-size: 18px;
  margin-bottom: 8px;
}

.problem-card .problem-body strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-black);
  margin-bottom: 8px;
  line-height: 1.3;
}

.problem-card .problem-body span {
  font-size: 13.5px;
  color: var(--color-muted-light);
  line-height: 1.5;
  display: block;
}

@media (max-width: 1024px) {
  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
}

/* S5. Dua Jalur (Core Split Cards) */
.two-paths-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  position: relative;
}

.path-card {
  background: var(--color-white);
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal), border-color var(--duration-normal);
}

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

.path-card.studio {
  border-top: 4px solid var(--color-black);
}

.path-card.konstruksi {
  border-top: 4px solid var(--color-orange);
}

.path-card .price-tag {
  font-size: 24px;
  font-weight: 800;
  margin: var(--space-3) 0 var(--space-4);
}

.path-card ul {
  list-style: none;
  margin-bottom: var(--space-6);
  flex: 1;
}

.path-card ul li {
  padding-left: 24px;
  position: relative;
  margin-bottom: 10px;
  font-size: 14.5px;
}

.path-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  font-weight: 800;
  color: var(--color-orange);
}

/* S8. Before/After Slider & Portfolio Grid */
.ba-container {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 0 auto var(--space-8);
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  user-select: none;
  touch-action: pan-y;
  background-color: var(--color-surface-dark);
  will-change: transform;
}

.ba-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  backface-visibility: hidden;
}

.ba-before {
  z-index: 2;
  clip-path: polygon(0 0, var(--pos, 50%) 0, var(--pos, 50%) 100%, 0 100%);
  -webkit-clip-path: polygon(0 0, var(--pos, 50%) 0, var(--pos, 50%) 100%, 0 100%);
  will-change: clip-path, -webkit-clip-path;
}

.ba-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos, 50%);
  width: 3px;
  background: var(--color-orange);
  z-index: 3;
  pointer-events: none;
  transform: translateX(-50%);
  transition: none;
  will-change: left;
}

.ba-handle {
  position: absolute;
  top: 50%;
  left: var(--pos, 50%);
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-orange);
  color: var(--color-black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  z-index: 4;
  pointer-events: none;
  box-shadow: var(--shadow-orange);
  transition: none;
  will-change: left;
}

.ba-slider-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 5;
  cursor: ew-resize;
  margin: 0;
  touch-action: pan-y;
}

.ba-label {
  position: absolute;
  bottom: 16px;
  z-index: 4;
  background: rgba(15, 14, 13, 0.75);
  color: var(--color-white);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  pointer-events: none;
  letter-spacing: 0.05em;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.ba-label-before {
  left: 16px;
}

.ba-label-after {
  right: 16px;
}

/* Category Filter Chips */
.portfolio-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font: 700 13.5px var(--font-body);
  border: 1.5px solid #e2e8f0;
  background: var(--color-white);
  color: #4a5568;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.portfolio-chip:hover {
  border-color: var(--color-orange);
  color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(221, 92, 62, 0.15);
}

.portfolio-chip.active {
  background: var(--color-orange);
  color: var(--color-black);
  border-color: var(--color-orange);
  box-shadow: 0 6px 16px rgba(221, 92, 62, 0.35);
  transform: translateY(-1px);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  min-height: 350px;
}

.portfolio-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  will-change: opacity, transform;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.12);
  border-color: rgba(221, 92, 62, 0.4);
}

.card-ba-slider {
  aspect-ratio: 16 / 10;
  width: 100%;
  border-radius: 0;
  margin: 0;
  box-shadow: none;
}

.portfolio-card-info {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}

.portfolio-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(15, 14, 13, 0.06);
  color: var(--color-black);
  font: 700 11.5px var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-category-badge .badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-orange);
}

.portfolio-card.is-hiding {
  opacity: 0;
  transform: scale(0.95) translateY(12px);
  pointer-events: none;
}

/* S9. Keunggulan Grid */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

@media (max-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 640px) {
  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.adv-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.adv-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  border-color: rgba(221, 92, 62, 0.4);
}

.adv-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.adv-num {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  background: rgba(221, 92, 62, 0.1);
  color: var(--color-orange-strong);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.adv-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-black);
  margin-bottom: 8px;
  line-height: 1.3;
}

.adv-card p {
  font-size: 13.5px;
  color: var(--color-muted-light);
  line-height: 1.6;
  margin: 0;
}

/* S10. Pricing Section */
.pricing-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: var(--space-8);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.package-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
}

.package-card.recommended {
  background: var(--color-orange-soft);
  border: 2px solid var(--color-orange);
}

/* S11. Cost Calculator */
.calc-box {
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.calc-two-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: stretch;
}

@media (max-width: 900px) {
  .calc-two-cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.calc-card {
  background: var(--color-surface-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-xl);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.calc-card:hover {
  border-color: rgba(221, 92, 62, 0.4);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}

.calc-card-header {
  margin-bottom: 20px;
}

.calc-card-header h3 {
  font-size: 20px;
  color: var(--color-white);
  margin-top: 10px;
  margin-bottom: 4px;
}

.calc-card-header p {
  font-size: 13px;
  color: var(--color-muted-dark);
  margin: 0;
}

.calc-num-input {
  width: 80px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-dark);
  background: #141312;
  color: #fff;
  text-align: center;
  font-weight: 600;
  font-size: 14px;
}

.calc-num-input:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 2px rgba(221, 92, 62, 0.2);
}

.calc-range-slider {
  width: 100%;
  margin-top: 10px;
  accent-color: var(--color-orange);
  cursor: pointer;
}

.calc-select {
  background: #141312 !important;
  color: #fff !important;
  border-color: var(--color-border-dark) !important;
}

.calc-select:focus {
  border-color: var(--color-orange) !important;
  box-shadow: 0 0 0 3px rgba(221, 92, 62, 0.2) !important;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.calc-result-box {
  background: #141312;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.calc-result-box .big-val {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--color-orange);
  line-height: 1.2;
  margin-top: 4px;
}

/* Mobile Sticky CTA Bar (Removed) */
.mbar {
  display: none !important;
}

/* Floating WhatsApp Button (Desktop) */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-decoration: none;
  background: transparent;
}

.wa-float img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.3));
}

.wa-float:hover {
  transform: scale(1.14);
}

/* Footer Grid */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
}

/* Touch & iOS Tap Optimizations */
html {
  -webkit-tap-highlight-color: transparent;
}

button, a, select, input, summary, .portfolio-chip {
  touch-action: manipulation;
}

/* Responsive Media Queries — Tablet & Mobile (iOS / Android) */
@media (max-width: 900px) {
  .hero-grid, .two-paths-grid, .calc-grid, .calc-two-cards-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Prevent iOS Safari input auto-zoom */
  .form-control,
  input[type="text"].form-control,
  input[type="email"].form-control,
  input[type="number"].form-control,
  input[type="tel"].form-control,
  input[type="password"].form-control,
  select.form-control,
  textarea.form-control {
    font-size: 16px !important;
  }

  .navbar-inner {
    height: 64px;
  }

  .brand-logo,
  .navbar-brand img {
    height: 40px;
    max-width: 170px;
  }

  .navbar-menu {
    display: none;
  }

  .navbar-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 24px 20px;
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    gap: 16px;
    z-index: 999;
  }

  .navbar-menu.active li a {
    font-size: 16px;
    display: block;
    padding: 6px 0;
  }

  .hamburger-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: 26px;
    border-radius: var(--radius-md);
  }

  .hero-section {
    padding: var(--space-10) 0;
  }

  .hero-content h1 {
    font-size: clamp(26px, 7vw, 36px);
  }

  .hero-chips {
    gap: 8px;
  }

  .hero-chip {
    padding: 8px 14px;
    font-size: 13px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ba-container {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
  }

  .calc-box {
    padding: 24px 16px;
    border-radius: var(--radius-xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .wa-float {
    bottom: 20px;
    right: 16px;
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-10) 0;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
    padding: 14px 18px;
  }

  .btn-wa-nav {
    width: auto !important;
  }
}

/* Scroll Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-smooth), transform var(--duration-slow) var(--ease-smooth);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ==========================================================================
   FORM SYSTEM — ULTRA CLEAN, FULL-WIDTH, MODERN INPUTS & DROPDOWNS
   ========================================================================== */

.form-group {
  display: flex !important;
  flex-direction: column !important;
  gap: 6px !important;
  margin-bottom: 20px !important;
  text-align: left !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

.form-group label,
label {
  display: block !important;
  font-family: var(--font-body) !important;
  font-weight: 700 !important;
  font-size: 14.5px !important;
  color: var(--color-black) !important;
  margin-bottom: 2px !important;
}

.dark .form-group label,
.dark label,
.calc-box label {
  color: var(--color-white) !important;
}

.form-control,
input[type="text"].form-control,
input[type="email"].form-control,
input[type="number"].form-control,
input[type="tel"].form-control,
input[type="password"].form-control,
select.form-control,
textarea.form-control {
  width: 100% !important;
  display: block !important;
  height: 50px !important;
  padding: 12px 18px !important;
  font-family: var(--font-body) !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  color: var(--color-black) !important;
  background-color: var(--color-white) !important;
  border: 1.5px solid var(--color-border-light) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease !important;
  box-sizing: border-box !important;
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
  color: #94a3b8 !important;
  font-weight: 400 !important;
}

.form-control:focus,
input[type="text"].form-control:focus,
input[type="email"].form-control:focus,
input[type="number"].form-control:focus,
input[type="tel"].form-control:focus,
input[type="password"].form-control:focus,
select.form-control:focus,
textarea.form-control:focus {
  border-color: var(--color-orange) !important;
  box-shadow: 0 0 0 3.5px rgba(221, 92, 62, 0.2) !important;
  outline: none !important;
  background-color: var(--color-white) !important;
}

/* Custom Select Dropdowns */
select.form-control {
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23dd5c3e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 18px center !important;
  background-size: 16px 16px !important;
  padding-right: 48px !important;
  cursor: pointer !important;
}

select.form-control option {
  background-color: var(--color-white) !important;
  color: var(--color-black) !important;
  padding: 12px !important;
  font-size: 15px !important;
}

textarea.form-control {
  height: auto !important;
  min-height: 120px !important;
  padding: 14px 18px !important;
  line-height: 1.6 !important;
  resize: vertical !important;
}

/* Dark Theme Form Controls */
.dark .form-control,
.calc-box .form-control {
  background-color: var(--color-surface-dark) !important;
  color: var(--color-white) !important;
  border-color: var(--color-border-dark) !important;
}

.dark .form-control::placeholder,
.calc-box .form-control::placeholder {
  color: var(--color-muted-dark) !important;
}

.dark .form-control:focus,
.calc-box .form-control:focus {
  background-color: var(--color-surface-dark) !important;
  border-color: var(--color-orange) !important;
  box-shadow: 0 0 0 3.5px rgba(221, 92, 62, 0.3) !important;
}

.dark select.form-control option,
.calc-box select.form-control option {
  background-color: var(--color-surface-dark) !important;
  color: var(--color-white) !important;
}

/* FAQ Accordion System */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-accordion {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast), background-color var(--duration-fast);
  overflow: hidden;
}

.faq-accordion[open] {
  border-color: var(--color-orange);
  box-shadow: 0 8px 24px rgba(221, 92, 62, 0.1);
  background: var(--color-white);
}

.faq-summary {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16.5px;
  color: var(--color-black);
  padding: 20px 24px;
  cursor: pointer;
  outline: none;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  user-select: none;
  transition: color var(--duration-fast);
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary:hover {
  color: var(--color-orange-strong);
}

.faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-orange-soft);
  color: var(--color-orange);
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
  transition: transform var(--duration-fast), background-color var(--duration-fast), color var(--duration-fast);
}

.faq-accordion[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--color-orange);
  color: var(--color-black);
}

.faq-content {
  padding: 0 24px 22px 24px;
  border-top: 1px solid var(--color-border-light);
  margin-top: 0;
}

.faq-content p {
  padding-top: 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-muted-light);
  margin: 0;
}