/* ============================================================
   FUNDORA SOLUTIONS — COMPONENT STYLES
   Role: All reusable UI components — nav, buttons, cards,
         ticker, OS layers, metrics, table, CTA, footer
   ============================================================ */


/* ══════════════════════════════════════════
   NAV
   ══════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 var(--px);
  transition: background var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom-color: var(--c-border);
}

.nav__inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--t-md);
  color: var(--c-text);
  letter-spacing: -0.01em;
}

.nav__logo-text span {
  color: var(--c-green);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--s-8);
  list-style: none;
}

.nav__links a {
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--c-text-2);
  letter-spacing: 0.01em;
  transition: color var(--dur-fast) var(--ease);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--c-green);
  transition: width var(--dur-base) var(--ease);
}

.nav__links a:hover { color: var(--c-text); }
.nav__links a:hover::after { width: 100%; }
.nav__links a.active { color: var(--c-text); }

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--c-text);
  transition: all var(--dur-base) var(--ease);
  transform-origin: center;
}

/* Mobile drawer */
.nav__drawer {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease);
}

.nav__drawer.open {
  opacity: 1;
  pointer-events: all;
}

.nav__drawer-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-6);
  list-style: none;
}

.nav__drawer-links a {
  font-family: var(--font-head);
  font-size: var(--t-2xl);
  font-weight: 700;
  color: var(--c-text-2);
  letter-spacing: -0.02em;
  transition: color var(--dur-fast) var(--ease);
}

.nav__drawer-links a:hover { color: var(--c-text); }

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
}


/* ══════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 11px 24px;
  border-radius: var(--r-md);
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition:
    background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}

.btn:active { transform: scale(0.98); }

/* Primary — green */
.btn--primary {
  background: var(--c-green);
  color: #000;
  border: 1px solid var(--c-green);
  box-shadow: 0 0 0 0 rgba(76,185,68,0);
}

.btn--primary:hover {
  background: #5fd656;
  box-shadow: 0 0 24px rgba(76,185,68,0.25);
  transform: translateY(-1px);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--c-text-2);
  border: 1px solid var(--c-border-md);
}

.btn--ghost:hover {
  color: var(--c-text);
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.04);
}

/* Outline green */
.btn--outline {
  background: transparent;
  color: var(--c-green);
  border: 1px solid rgba(76,185,68,0.35);
}

.btn--outline:hover {
  background: var(--c-green-dim);
  border-color: var(--c-green);
}

/* Sizes */
.btn--sm { padding: 8px 16px; font-size: var(--t-xs); }
.btn--lg { padding: 14px 32px; font-size: var(--t-base); }

/* Arrow icon in button */
.btn .arrow {
  transition: transform var(--dur-fast) var(--ease);
}
.btn:hover .arrow { transform: translateX(3px); }


/* ══════════════════════════════════════════
   BADGE / TAG
   ══════════════════════════════════════════ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge--green {
  background: var(--c-green-dim);
  color: var(--c-green);
  border: 1px solid rgba(76,185,68,0.2);
}

.badge--dim {
  background: rgba(255,255,255,0.04);
  color: var(--c-text-3);
  border: 1px solid var(--c-border);
}

.badge--dot::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}


/* ══════════════════════════════════════════
   CARDS
   ══════════════════════════════════════════ */

.card {
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--s-8);
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--dur-base) var(--ease),
    transform var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--g-card);
  pointer-events: none;
}

.card:hover {
  border-color: var(--c-border-md);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.card--link {
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}

.card--link:hover { border-color: rgba(76,185,68,0.2); }

/* Number accent on card */
.card__number {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--c-text-4);
  letter-spacing: 0.06em;
  margin-bottom: var(--s-4);
}


/* ══════════════════════════════════════════
   CLIENT TICKER
   ══════════════════════════════════════════ */

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 14px 0;
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.ticker__track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: ticker-slide 28s linear infinite;
}

.ticker:hover .ticker__track { animation-play-state: paused; }

@keyframes ticker-slide {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker__item {
  display: flex;
  align-items: center;
  gap: var(--s-6);
  padding: 0 var(--s-8);
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--c-text-3);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.ticker__item .sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--c-text-4);
  flex-shrink: 0;
}

.ticker__item strong {
  color: var(--c-text-2);
}


/* ══════════════════════════════════════════
   THE OS LAYER STRIP
   ══════════════════════════════════════════ */

.os-strip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-width: 800px;
  margin: 0 auto;
}

.os-layer {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-4) var(--s-5);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg-1);
  transition:
    border-color var(--dur-base) var(--ease),
    background var(--dur-base) var(--ease);
  cursor: default;
}

.os-layer:hover {
  border-color: var(--c-border-md);
  background: var(--c-bg-2);
}

.os-layer:hover .os-layer__num { color: var(--c-green); }

.os-layer__num {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--c-text-4);
  letter-spacing: 0.06em;
  transition: color var(--dur-fast) var(--ease);
}

.os-layer__name {
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--c-text);
}

.os-layer__desc {
  font-size: var(--t-xs);
  color: var(--c-text-3);
  text-align: right;
  white-space: nowrap;
}

@media (max-width: 600px) {
  .os-layer { grid-template-columns: 32px 1fr; }
  .os-layer__desc { display: none; }
}


/* ══════════════════════════════════════════
   CASE STUDY CARDS
   ══════════════════════════════════════════ */

.case-card {
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
  padding: var(--s-8);
  background: var(--c-bg-1);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  text-decoration: none;
  color: inherit;
  transition:
    border-color var(--dur-base) var(--ease),
    transform var(--dur-base) var(--ease);
  overflow: hidden;
  position: relative;
}

.case-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(76,185,68,0.03) 0%, transparent 50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease);
}

.case-card:hover {
  border-color: rgba(76,185,68,0.25);
  transform: translateY(-3px);
}

.case-card:hover::after { opacity: 1; }

.case-card__preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--c-bg-2);
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  overflow: hidden;
  position: relative;
}

.case-card__preview iframe {
  width: 200%;
  height: 200%;
  transform: scale(0.5);
  transform-origin: top left;
  pointer-events: none;
  border: none;
}

.case-card__preview--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-bg-2) 0%, var(--c-bg-3) 100%);
  font-size: var(--t-xs);
  color: var(--c-text-4);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.case-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.case-card__client {
  font-family: var(--font-head);
  font-size: var(--t-lg);
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.01em;
}

.case-card__stat {
  text-align: right;
}

.case-card__stat-number {
  font-family: var(--font-head);
  font-size: var(--t-xl);
  font-weight: 800;
  color: var(--c-green);
  letter-spacing: -0.02em;
  line-height: 1;
}

.case-card__stat-label {
  font-size: var(--t-xs);
  color: var(--c-text-3);
  margin-top: 2px;
}

.case-card__desc {
  font-size: var(--t-sm);
  color: var(--c-text-2);
  line-height: 1.6;
}

.case-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-border);
  margin-top: auto;
}

.case-card__link {
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--c-text-2);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--dur-fast) var(--ease), gap var(--dur-fast) var(--ease);
}

.case-card:hover .case-card__link {
  color: var(--c-green);
  gap: 10px;
}


/* ══════════════════════════════════════════
   METRICS BAR
   ══════════════════════════════════════════ */

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.metric {
  background: var(--c-bg-1);
  padding: var(--s-8) var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  transition: background var(--dur-base) var(--ease);
}

.metric:hover { background: var(--c-bg-2); }

.metric__number {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: -0.03em;
  line-height: 1;
}

.metric__number .unit {
  font-size: 0.55em;
  color: var(--c-green);
  font-weight: 700;
}

.metric__label {
  font-size: var(--t-sm);
  color: var(--c-text-3);
  line-height: 1.4;
}

@media (max-width: 768px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .metrics { grid-template-columns: 1fr; }
}


/* ══════════════════════════════════════════
   DIFFERENCE TABLE
   ══════════════════════════════════════════ */

.diff-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.diff-table thead th {
  padding: var(--s-5) var(--s-6);
  font-size: var(--t-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg-1);
  color: var(--c-text);
}

.diff-table thead th:nth-child(2) {
  text-align: center;
  color: var(--c-green);
}

.diff-table thead th:nth-child(3),
.diff-table thead th:nth-child(4) {
  text-align: center;
  color: var(--c-text-3);
}

.diff-table tbody tr {
  border-bottom: 1px solid var(--c-border);
  transition: background var(--dur-fast) var(--ease);
}

.diff-table tbody tr:last-child { border-bottom: none; }
.diff-table tbody tr:hover { background: rgba(255,255,255,0.02); }

.diff-table tbody td {
  padding: var(--s-4) var(--s-6);
  font-size: var(--t-sm);
  color: var(--c-text-2);
  vertical-align: middle;
}

.diff-table tbody td:nth-child(2) { text-align: center; }
.diff-table tbody td:nth-child(3) { text-align: center; }
.diff-table tbody td:nth-child(4) { text-align: center; }

.diff-table .check { color: var(--c-green); font-size: 1.1em; }
.diff-table .cross { color: var(--c-text-4); font-size: 1.1em; }
.diff-table .partial { color: #F59E0B; font-size: 0.9em; }

@media (max-width: 640px) {
  .diff-table { font-size: var(--t-xs); }
  .diff-table th, .diff-table td { padding: var(--s-3) var(--s-3); }
}


/* ══════════════════════════════════════════
   CTA SECTION
   ══════════════════════════════════════════ */

.cta-block {
  text-align: center;
  padding: clamp(60px, 8vw, 120px) var(--px);
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse at center, rgba(76,185,68,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.cta-block__headline {
  font-family: var(--font-head);
  font-size: var(--t-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--c-text);
  max-width: 600px;
  margin: 0 auto var(--s-5);
}

.cta-block__sub {
  color: var(--c-text-2);
  font-size: var(--t-md);
  max-width: 500px;
  margin: 0 auto var(--s-8);
}

.cta-block__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-4);
  flex-wrap: wrap;
}

.cta-block__note {
  margin-top: var(--s-5);
  font-size: var(--t-xs);
  color: var(--c-text-4);
  letter-spacing: 0.04em;
}


/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */

.footer {
  border-top: 1px solid var(--c-border);
  padding: var(--s-12) 0 var(--s-8);
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--s-12);
  padding-bottom: var(--s-12);
  border-bottom: 1px solid var(--c-border);
}

.footer__brand-name {
  font-family: var(--font-head);
  font-size: var(--t-lg);
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--s-3);
}

.footer__brand-desc {
  font-size: var(--t-sm);
  color: var(--c-text-3);
  line-height: 1.6;
  max-width: 280px;
}

.footer__col-title {
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--c-text-3);
  margin-bottom: var(--s-4);
}

.footer__col-links {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  list-style: none;
}

.footer__col-links a {
  font-size: var(--t-sm);
  color: var(--c-text-3);
  transition: color var(--dur-fast) var(--ease);
}

.footer__col-links a:hover { color: var(--c-text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--s-8);
  gap: var(--s-4);
  flex-wrap: wrap;
}

.footer__legal {
  font-size: var(--t-xs);
  color: var(--c-text-4);
}

.footer__tagline {
  font-size: var(--t-xs);
  color: var(--c-text-4);
  font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}


/* ══════════════════════════════════════════
   PAGE HERO (shared between inner pages)
   ══════════════════════════════════════════ */

.page-hero {
  padding: calc(var(--nav-h) + clamp(60px, 8vw, 100px)) 0 clamp(60px, 8vw, 100px);
  text-align: center;
}

.page-hero__label {
  margin-bottom: var(--s-4);
  justify-content: center;
}

.page-hero__headline {
  margin-bottom: var(--s-5);
}

.page-hero__sub {
  font-size: var(--t-md);
  color: var(--c-text-2);
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}


/* ══════════════════════════════════════════
   PROCESS TIMELINE
   ══════════════════════════════════════════ */

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--c-green), transparent);
}

.timeline__step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--s-5);
  padding: var(--s-5) 0;
  position: relative;
}

.timeline__dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--c-green);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.timeline__content {
  padding-top: 8px;
}

.timeline__label {
  font-size: var(--t-xs);
  font-family: var(--font-mono);
  color: var(--c-green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--s-2);
}

.timeline__title {
  font-size: var(--t-md);
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: var(--s-2);
}

.timeline__desc {
  font-size: var(--t-sm);
  color: var(--c-text-2);
  line-height: 1.6;
}


/* ══════════════════════════════════════════
   BACKGROUND DECORATIONS
   ══════════════════════════════════════════ */

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
  opacity: 0.5;
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.bg-glow--green {
  background: rgba(76, 185, 68, 0.08);
}