/* =========================================================
   Acrion Website UI Kit — component styles
   ========================================================= */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* Container */
.ak-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Eyebrow label */
.ak-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--acrion-royal-purple);
  margin-bottom: 16px;
}
.ak-eyebrow__line { width: 24px; height: 1px; background: currentColor; }
.ak-eyebrow--blue { color: var(--acrion-light-blue); }

.ak-section-header { margin-bottom: 64px; }
.ak-section-header--center { text-align: center; max-width: 680px; margin-left: auto; margin-right: auto; margin-bottom: 64px; }
.ak-section-header--center .ak-eyebrow { justify-content: center; }
.ak-section-header h2 { font-size: clamp(28px, 3.5vw, 42px); letter-spacing: -0.03em; color: var(--gray-900); margin-bottom: 8px; }
.ak-section-header--on-dark h2 { color: var(--white); }
.ak-section-header__sub { font-size: 16px; color: var(--gray-500); }

/* Icon chip */
.ak-icon-chip {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(193, 113, 47, 0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--acrion-royal-purple);
  flex-shrink: 0;
}
.ak-icon-chip--blue { background: rgba(227, 182, 140, 0.35); color: #A85F22; }

/* Buttons */
.ak-btn-primary, .ak-btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  font-size: 15px; font-weight: 600;
  border-radius: 10px; border: none; cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s, border-color 0.2s;
}
.ak-btn-primary {
  background: var(--acrion-dark-purple); color: var(--white);
  box-shadow: 0 1px 2px rgba(52,45,71,0.15), 0 4px 12px rgba(52,45,71,0.10);
}
.ak-btn-primary:hover { background: var(--acrion-royal-purple); transform: translateY(-2px); box-shadow: 0 2px 4px rgba(85,49,157,0.20), 0 8px 24px rgba(85,49,157,0.15); }
.ak-btn-primary--on-dark { background: var(--white); color: var(--acrion-dark-purple); }
.ak-btn-primary--on-dark:hover { background: var(--off-white); transform: translateY(-2px); }
.ak-btn-secondary {
  background: var(--white); color: var(--gray-700);
  border: 1px solid var(--gray-200);
}
.ak-btn-secondary:hover { background: var(--gray-50); border-color: var(--gray-300); transform: translateY(-2px); }

/* ===== NAV ===== */
.ak-nav { position: fixed; inset: 0 0 auto 0; z-index: 1000;
  background: rgba(255,255,255,0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200); transition: box-shadow 0.3s; }
.ak-nav.scrolled { box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03); }
.ak-nav__inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.ak-nav__logo img { height: 36px; width: auto; display: block; }
.ak-nav__links { display: flex; align-items: center; gap: 32px; list-style: none; }
.ak-nav__links a { font-size: 14px; font-weight: 500; color: var(--gray-600); transition: color 0.2s; text-decoration: none; }
.ak-nav__links a:hover, .ak-nav__links a.active { color: var(--gray-900); }
.ak-nav__links a.active { color: var(--acrion-royal-purple); }
.ak-nav__cta { background: var(--acrion-dark-purple); color: var(--white) !important; padding: 8px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; transition: background 0.2s, transform 0.15s; }
.ak-nav__cta:hover { background: var(--acrion-royal-purple); transform: translateY(-1px); }

/* ===== HERO ===== */
.ak-hero { position: relative; min-height: 92vh; display: flex; align-items: center; justify-content: center; padding: 120px 24px 80px; overflow: hidden;
  background: linear-gradient(180deg, var(--white) 0%, var(--off-white) 100%); }
.ak-hero__bg { position: absolute; inset: 0; pointer-events: none; }
.ak-hero__bg::before { content:''; position: absolute; top: -20%; left: -10%; width: 60%; height: 60%; background: radial-gradient(ellipse, rgba(176,223,247,0.25) 0%, transparent 70%); animation: akPulse 8s ease-in-out infinite; }
.ak-hero__bg::after { content:''; position: absolute; bottom: -10%; right: -10%; width: 50%; height: 50%; background: radial-gradient(ellipse, rgba(85,49,157,0.08) 0%, transparent 70%); animation: akPulse 10s ease-in-out infinite 2s; }
@keyframes akPulse { 0%,100% { opacity: 0.4; } 50% { opacity: 0.7; } }

.ak-beams { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.ak-beam { position: absolute; top: -120px; width: 2px; border-radius: 2px;
  background: linear-gradient(180deg, transparent 0%, var(--acrion-royal-purple) 30%, var(--acrion-light-blue) 70%, transparent 100%);
  opacity: 0.3; }
.ak-beam--1 { height: 80px; animation: akFall 7s linear infinite; }
.ak-beam--2 { height: 60px; animation: akFall 5s linear infinite 2s; }
.ak-beam--3 { height: 100px; animation: akFall 9s linear infinite 1s; }
.ak-beam--4 { height: 50px; animation: akFall 6s linear infinite 3s; }
.ak-beam--5 { height: 70px; animation: akFall 8s linear infinite 0.5s; }
.ak-beam--6 { height: 90px; animation: akFall 7s linear infinite 4s; }
.ak-beam--7 { height: 55px; animation: akFall 5.5s linear infinite 1.5s; }
@keyframes akFall { 0% { transform: translateY(-100%); opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { transform: translateY(calc(100vh + 100%)); opacity: 0; } }

.ak-hero__content { position: relative; z-index: 10; text-align: center; max-width: 820px; }
.ak-hero__badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; background: var(--white); border: 1px solid var(--gray-200); border-radius: 100px; font-size: 13px; font-weight: 500; color: var(--gray-600); margin-bottom: 32px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); }
.ak-hero__dot { width: 6px; height: 6px; background: var(--acrion-royal-purple); border-radius: 50%; }
.ak-hero h1 { font-size: clamp(36px, 5.5vw, 64px); font-weight: 800; letter-spacing: -0.03em; color: var(--gray-900); line-height: 1.08; margin-bottom: 24px; }
.ak-hero__sub { font-size: clamp(16px, 1.8vw, 19px); color: var(--gray-500); max-width: 640px; margin: 0 auto 40px; line-height: 1.7; }
.ak-hero__ctas { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.ak-hero__bar { position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--gray-200); box-shadow: 0 0 24px rgba(52,45,71,0.06); }

/* ===== SOCIAL PROOF ===== */
.ak-proof { background: var(--acrion-dark-purple); padding: 24px 0; overflow: hidden; position: relative; }
.ak-proof::before, .ak-proof::after { content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2; pointer-events: none; }
.ak-proof::before { left: 0; background: linear-gradient(to right, var(--acrion-dark-purple), transparent); }
.ak-proof::after { right: 0; background: linear-gradient(to left, var(--acrion-dark-purple), transparent); }
.ak-proof__track { display: flex; width: max-content; animation: akMarquee 40s linear infinite; }
.ak-proof__track:hover { animation-play-state: paused; }
@keyframes akMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ak-proof__item { display: inline-flex; align-items: center; gap: 10px; padding: 0 32px; white-space: nowrap; font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.85); }
.ak-proof__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--acrion-light-blue); }

/* ===== PROBLEM ===== */
.ak-problem { padding: 120px 0; background: var(--white); }
.ak-problem__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 64px; }
.ak-problem__card { background: linear-gradient(135deg, rgba(52,45,71,0.03) 0%, rgba(85,49,157,0.06) 100%); border: 1px solid rgba(85,49,157,0.1); border-radius: 16px; padding: 32px; transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s; }
.ak-problem__card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(85,49,157,0.1), 0 2px 8px rgba(0,0,0,0.04); border-color: rgba(85,49,157,0.2); }
.ak-problem__card .ak-icon-chip { margin-bottom: 20px; }
.ak-problem__card h3 { font-size: 16px; font-weight: 700; margin-bottom: 12px; color: var(--gray-900); line-height: 1.3; }
.ak-problem__card p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }
.ak-problem__transition { text-align: center; font-size: 20px; font-weight: 700; color: var(--acrion-royal-purple); letter-spacing: -0.02em; }

/* ===== SERVICES ===== */
.ak-services { padding: 120px 0; background: var(--off-white); }
.ak-services__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.ak-service-line { display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--gray-200); border-radius: 20px; padding: 40px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); }
.ak-service-line__label { display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; padding: 4px 12px; border-radius: 6px; margin-bottom: 20px; align-self: flex-start; }
.ak-service-line__label--purple { background: rgba(85,49,157,0.08); color: var(--acrion-royal-purple); }
.ak-service-line__label--blue { background: rgba(176,223,247,0.4); color: #A85F22; }
.ak-service-line h3 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; color: var(--gray-900); }
.ak-service-line > p { font-size: 14px; color: var(--gray-500); margin-bottom: 28px; line-height: 1.6; }
.ak-service-item { display: flex; gap: 16px; padding: 20px 0; border-top: 1px solid var(--gray-100); }
.ak-service-item__content h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; color: var(--gray-800); }
.ak-service-item__content p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* ===== HOW IT WORKS ===== */
.ak-how { padding: 120px 0; background: var(--acrion-dark-purple); color: var(--white); }
.ak-how__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; max-width: 1000px; margin: 0 auto; }
.ak-step { padding: 32px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s; }
.ak-step:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,0.2); border-color: rgba(176,223,247,0.25); }
.ak-step__num { width: 48px; height: 48px; border-radius: 12px; background: rgba(176,223,247,0.15); color: var(--acrion-light-blue); display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.ak-step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--white); }
.ak-step p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; margin-bottom: 20px; }
.ak-step ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.ak-step li { display: flex; align-items: center; gap: 10px; font-size: 13px; color: rgba(255,255,255,0.5); }
.ak-step__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--acrion-light-blue); flex-shrink: 0; }

/* ===== VERTICALS ===== */
.ak-verticals { padding: 120px 0; background: var(--white); }
.ak-vertical-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.ak-vertical-tab { padding: 10px 20px; font-size: 14px; font-weight: 500; color: var(--gray-500); background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 10px; cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s; font-family: var(--font-body); }
.ak-vertical-tab:hover { color: var(--gray-700); border-color: var(--gray-300); }
.ak-vertical-tab.active { background: var(--acrion-dark-purple); color: var(--white); border-color: var(--acrion-dark-purple); }
.ak-vertical-panel { background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: 20px; padding: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.ak-vertical-panel h3 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; color: var(--gray-900); }
.ak-vertical-panel p { font-size: 15px; color: var(--gray-500); line-height: 1.7; margin-bottom: 24px; }
.ak-vertical-uses { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.ak-vertical-uses li { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; color: var(--gray-700); line-height: 1.5; }
.ak-vertical-uses li::before { content: ''; width: 6px; height: 6px; background: var(--acrion-royal-purple); border-radius: 50%; margin-top: 7px; flex-shrink: 0; }
.ak-vertical-uses em { display: block; margin-top: 4px; font-size: 12px; color: var(--gray-400); font-style: italic; }
.ak-vertical-visual { background: var(--white); border: 1px solid var(--gray-200); border-radius: 12px; padding: 32px; min-height: 240px; display: flex; align-items: center; }

/* ===== PRICING ===== */
.ak-pricing { padding: 120px 0; background: var(--off-white); }
.ak-toggle { display: flex; justify-content: center; margin-bottom: 48px; }
.ak-toggle button { padding: 12px 32px; font-size: 14px; font-weight: 600; color: var(--gray-500); background: var(--white); border: 1px solid var(--gray-200); cursor: pointer; font-family: var(--font-body); }
.ak-toggle button:first-child { border-radius: 10px 0 0 10px; }
.ak-toggle button:last-child { border-radius: 0 10px 10px 0; border-left: 0; }
.ak-toggle button.active { background: var(--acrion-dark-purple); color: var(--white); border-color: var(--acrion-dark-purple); }

.ak-pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ak-price-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px; padding: 32px; position: relative; display: flex; flex-direction: column; transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s; }
.ak-price-card:hover { border-color: var(--gray-300); box-shadow: 0 4px 16px rgba(0,0,0,0.04); transform: translateY(-2px); }
.ak-price-card--hl { border-color: var(--acrion-royal-purple); box-shadow: 0 0 0 1px var(--acrion-royal-purple), 0 8px 32px rgba(85,49,157,0.08); }
.ak-price-card__badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); padding: 4px 14px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; background: var(--acrion-royal-purple); color: var(--white); border-radius: 6px; }
.ak-price-card .ak-icon-chip { margin-bottom: 16px; }
.ak-price-card h3 { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.ak-price-card__desc { font-size: 13px; color: var(--gray-500); margin-bottom: 20px; line-height: 1.6; }
.ak-price-card__price { font-size: 32px; font-weight: 800; color: var(--gray-900); letter-spacing: -0.03em; margin-bottom: 4px; }
.ak-price-card__price span { font-size: 14px; font-weight: 500; color: var(--gray-400); }
.ak-price-card__note { font-size: 12px; color: var(--gray-400); margin-bottom: 24px; }
.ak-price-card__features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.ak-price-card__features li { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--gray-600); line-height: 1.4; }
.ak-price-card__features li svg { color: var(--acrion-royal-purple); flex-shrink: 0; margin-top: 1px; }
.ak-price-card .ak-btn-primary, .ak-price-card .ak-btn-secondary { margin-top: auto; }

/* ===== FAQ ===== */
.ak-faq { padding: 120px 0; background: var(--off-white); }
.ak-faq__list { max-width: 720px; margin: 0 auto; }
.ak-faq__item { border-bottom: 1px solid var(--gray-200); }
.ak-faq__q { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 24px 0; background: none; border: none; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--gray-800); text-align: left; font-family: var(--font-body); }
.ak-faq__q:hover { color: var(--gray-900); }
.ak-faq__icon { width: 24px; height: 24px; flex-shrink: 0; font-size: 24px; color: var(--acrion-royal-purple); transition: transform 0.3s cubic-bezier(0.16,1,0.3,1); }
.ak-faq__item.open .ak-faq__icon { transform: rotate(45deg); }
.ak-faq__a { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.16,1,0.3,1); }
.ak-faq__item.open .ak-faq__a { max-height: 300px; }
.ak-faq__a > div { padding: 0 0 24px; font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* ===== FOOTER CTA ===== */
.ak-footer-cta { padding: 120px 24px; background: var(--acrion-dark-purple); text-align: center; position: relative; overflow: hidden; }
.ak-footer-cta::before { content: ''; position: absolute; top: -50%; left: -25%; width: 150%; height: 150%; background: radial-gradient(ellipse at center, rgba(85,49,157,0.3) 0%, transparent 60%); pointer-events: none; }
.ak-footer-cta__content { position: relative; z-index: 1; max-width: 560px; margin: 0 auto; }
.ak-footer-cta h2 { font-size: clamp(28px, 3.5vw, 40px); font-weight: 800; letter-spacing: -0.03em; color: var(--white); margin-bottom: 16px; }
.ak-footer-cta p { font-size: 16px; color: rgba(255,255,255,0.6); margin-bottom: 40px; line-height: 1.7; }

/* ===== FOOTER ===== */
.ak-footer { padding: 48px 24px; background: #0e2b25; border-top: 1px solid rgba(255,255,255,0.06); }
.ak-footer__inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.ak-footer__links { display: flex; gap: 24px; list-style: none; flex-wrap: wrap; }
.ak-footer__links a { font-size: 13px; color: rgba(255,255,255,0.4); transition: color 0.2s; text-decoration: none; }
.ak-footer__links a:hover { color: rgba(255,255,255,0.7); }
.ak-footer__tag { font-size: 13px; color: rgba(255,255,255,0.3); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .ak-services__grid { grid-template-columns: 1fr; }
  .ak-vertical-panel { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .ak-nav__links { display: none; }
  .ak-problem__grid, .ak-how__grid, .ak-pricing-grid { grid-template-columns: 1fr; }
}

.ak-stat-source { font-size: 0.85em; color: var(--gray-400); font-style: italic; }