/* ================================================
   TINTACT — Light Theme  (reference-match redesign)
   ================================================ */

/* ── DESIGN TOKENS ─────────────────────────────── */
:root {
  --bg-primary:     #f8f7f3;
  --bg-secondary:   #efece4;
  --bg-card:        #ffffff;
  --color-accent:   #d6a67e;
  --color-accent-lt:#cf9566;
  --text-primary:   #a2a1a1;
  --text-muted:     #4d4d4d;
  --text-subtle:    #999999;
  --border:         rgba(0,0,0,0.10);
  --shadow-sm:      0 1px 4px rgba(0,0,0,0.06);
  --shadow-card:    0 2px 20px rgba(0,0,0,0.08);
  --shadow-hover:   0 10px 44px rgba(0,0,0,0.14);
  --radius:         12px;
  --radius-lg:      20px;
  --radius-pill:    100px;
  --nav-height:     72px;
  --font:           'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease:           cubic-bezier(0.4,0,0.2,1);
  --t:              0.3s;
  --max-w:          1200px;
}

/* ── RESET ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; font-size: 16px; }
body  {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img   { max-width: 100%; display: block; }
a     { color: inherit; text-decoration: none; }
ul    { list-style: none; }
button{ cursor: pointer; border: none; background: none; font: inherit; }

/* ── LAYOUT ──────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 6rem 0; }
.bg-alt     { background: var(--bg-secondary); }
.highlight  { color: var(--color-accent); }

/* ── TYPOGRAPHY ──────────────────────────────────── */
.section-label {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
}
.section-title {
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 56ch;
  margin-bottom: 2.75rem;
  line-height: 1.8;
}

/* ── NAVBAR ──────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--bg-primary);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease),
              box-shadow   var(--t) var(--ease),
              background   var(--t) var(--ease);
}
.site-header.scrolled {
  background: rgba(248,247,243,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.navbar { height: 100%; }
.nav-container {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 1.25rem;
}
.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.logo-img {
  height: 54px;
  width: auto;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  margin-left: auto;
}
.nav-link {
  padding: 0.45rem 0.8rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: color var(--t) var(--ease), background var(--t) var(--ease);
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active { color: var(--text-primary); background: rgba(0,0,0,0.05); }
.nav-end {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.nav-login {
  padding: 0.45rem 0.8rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: color var(--t), background var(--t);
}
.nav-login:hover { color: var(--text-primary); background: rgba(0,0,0,0.05); }
.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.2rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  transition: background var(--t) var(--ease), transform var(--t) var(--ease);
}
.nav-cta-btn:hover {
  background: var(--color-accent-lt);
  transform: translateY(-1px);
}

/* hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  margin-left: auto;
}
.hamburger {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}
.nav-toggle.active .hamburger:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active .hamburger:nth-child(2) { opacity: 0; }
.nav-toggle.active .hamburger:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── BUTTONS ──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--t) var(--ease);
  cursor: pointer;
  white-space: nowrap;
  border: none;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232,76,28,0.35);
}
.btn-outline {
  border: 1.5px solid rgba(0,0,0,0.18);
  color: var(--text-primary);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--text-primary);
  background: var(--text-primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  background: rgba(255,255,255,0.22);
  border-radius: 50%;
  font-size: 1rem;
}
.btn-icon.material-icons-round { font-size: 1.05rem; }

/* ── HERO ─────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-height);
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  padding: 3.5rem 0 3rem;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.38rem 1rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero-badge-dot {
  width: 6px; height: 6px;
  background: rgba(255,255,255,0.65);
  border-radius: 50%;
  animation: dot-pulse 2s infinite;
}
@keyframes dot-pulse {
  0%,100% { opacity:1; transform: scale(1); }
  50%      { opacity:0.4; transform: scale(1.4); }
}
.hero-title {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}
.hero-title .line-accent { color: var(--color-accent); display: block; }
.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 46ch;
  margin-bottom: 2rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.hero-subtext       { font-size: 0.85rem; color: var(--text-subtle); }
.hero-subtext-link  { color: var(--color-accent); font-weight: 600; }
.hero-subtext-link:hover { text-decoration: underline; }

/* hero right — photo stack */
.hero-right { position: relative; }
.hero-photos {
  position: relative;
  height: 490px;
}
.hero-photo-main {
  position: absolute;
  top: 0; left: 0;
  width: 70%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.hero-photo-main img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  object-position: top center;
}
.hero-photo-card {
  position: absolute;
  bottom: 0; right: 0;
  width: 54%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  border: 4px solid var(--bg-primary);
}
.hero-photo-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  object-position: top center;
}
/* floating ui badges on photos */
.hero-float {
  position: absolute;
  background: #fff;
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.14);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  z-index: 2;
}
.hero-float--tl { top:  1rem; left:  1rem; }
.hero-float--bl { bottom: 1rem; left:  1rem; }
.hero-float--br { bottom: 1rem; right: 1rem; }
.float-dot {
  width: 8px; height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: dot-pulse 2s infinite;
}
.float-ok {
  width: 24px; height: 24px;
  background: #22c55e;
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.float-ok.material-icons-round { font-size: 1rem; }
.float-up {
  width: 28px; height: 28px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.float-up.material-icons-round { font-size: 1rem; }

/* ── WHAT WE DO — cards ───────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: rgba(232,76,28,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
}
.card-icon .material-icons-round {
  font-size: 1.6rem;
  color: var(--color-accent);
}
.card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.55rem; }
.card-text  { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }

/* evolution block */
.evolution-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-sm);
}
.evolution-text { color: var(--text-muted); font-size: 0.95rem; line-height: 1.9; }
.evolution-text strong { color: var(--text-primary); }

/* Material Icons helpers */
.list-check {
  font-size: 1.1rem;
  color: var(--color-accent);
  vertical-align: middle;
  margin-right: 0.35rem;
}
.list-styled li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.list-styled li:last-child { border-bottom: none; }

/* ── LOGO STRIP ───────────────────────────────────── */
.logo-strip {
  padding: 2.5rem 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.logo-strip-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.logo-strip-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-subtle);
  flex-shrink: 0;
  padding-right: 1.5rem;
  border-right: 1px solid var(--border);
}
.logo-strip-items {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.strip-item {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.22);
  transition: color var(--t);
}
.strip-item:hover { color: var(--text-muted); }

/* ── SPLIT SECTIONS ───────────────────────────────── */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.split-section.reverse { direction: rtl; }
.split-section.reverse > * { direction: ltr; }

/* section image */
.section-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.section-img-wrap img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  object-position: top center;
}
.img-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(17,17,17,0.75) 0%, transparent 100%);
  padding: 1.5rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.img-overlay-text {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.img-overlay-cta {
  color: rgba(255,255,255,0.7);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--t);
}
.img-overlay-cta:hover { color: var(--color-accent-lt); }

/* ── ACCORDION (How We Do It) ─────────────────────── */
.accordion { display: flex; flex-direction: column; }
.accordion-item {
  border-bottom: 1px solid var(--border);
}
.accordion-item:first-child { border-top: 1px solid var(--border); }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  gap: 1rem;
  transition: color var(--t);
}
.accordion-trigger:hover { color: var(--color-accent); }
.accordion-trigger[aria-expanded="true"] { color: var(--color-accent); }
.accordion-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
  transition: transform var(--t), border-color var(--t), background var(--t), color var(--t);
  color: var(--text-subtle);
}
.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}
.accordion-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.38s ease;
}
.accordion-body-inner {
  padding-bottom: 1.15rem;
}
.accordion-body-inner p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ── WHY IT WORKS — visual block ──────────────────── */
.visual-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  box-shadow: var(--shadow-card);
}
.stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: -0.035em;
  line-height: 1;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.2rem; }

/* list styled — used in why-it-works & how-we-do-it */
.list-styled { display: flex; flex-direction: column; gap: 0; }

/* goal statement */
.goal-statement {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  padding: 1rem 1.25rem;
  background: rgba(232,76,28,0.06);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.goal-statement strong { color: var(--text-primary); }

/* ── CORE VALUES ──────────────────────────────────── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.value-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t) var(--ease);
}
.value-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.value-card:hover::after { transform: scaleX(1); }
.value-number {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(232,76,28,0.1);
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 0.75rem;
}
.value-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.value-text  { font-size: 0.875rem; color: var(--text-muted); line-height: 1.75; }

/* ── ECOSYSTEM / CTA ──────────────────────────────── */
.cta-block {
  background: var(--text-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 4.5rem 3rem;
  text-align: center;
  margin-top: 2rem;
}
.cta-title { font-size: clamp(1.6rem,3vw,2.2rem); font-weight: 900; margin-bottom: 0.75rem; letter-spacing: -0.025em; }
.cta-text  { color: rgba(255,255,255,0.6); font-size: 1rem; margin-bottom: 2.25rem; max-width: 52ch; margin-left: auto; margin-right: auto; }

/* ── FOOTER ───────────────────────────────────────── */
.site-footer {
  background: #111111;
  color: rgba(255,255,255,0.75);
  padding: 5rem 0 2.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo-img { height: 36px; width: auto; margin-bottom: 0.75rem; }
.footer-tagline  {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 0.75rem;
}
.footer-desc { color: rgba(255,255,255,0.45); font-size: 0.875rem; line-height: 1.8; }

.footer-links h4,
.footer-contact h4 {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 1.25rem;
}
.footer-links ul    { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links a     { color: rgba(255,255,255,0.5); font-size: 0.875rem; transition: color var(--t); }
.footer-links a:hover { color: #fff; }

.footer-contact p   { color: rgba(255,255,255,0.5); font-size: 0.875rem; margin-bottom: 0.75rem; }
.footer-email {
  display: inline-block;
  color: var(--color-accent-lt);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  transition: color var(--t);
}
.footer-email:hover { color: #fff; }
.social-links { display: flex; gap: 0.5rem; }
.social-link {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: all var(--t);
  text-decoration: none;
}
.social-link .material-icons-round {
  font-size: 1.1rem;
  line-height: 1;
}
.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-lt);
  background: rgba(232,76,28,0.1);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.25);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ── SCROLL REVEAL ────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-grid { gap: 2.5rem; }
  .split-section { grid-template-columns: 1fr; gap: 2.5rem; }
  .split-section.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-hover);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
    margin-left: 0;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-link { padding: 0.75rem 0.5rem; }
  .nav-end  { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .hero-title { font-size: clamp(2.5rem, 10vw, 4rem); }
  .section { padding: 4rem 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .logo-strip-inner { gap: 1.5rem; }
  .logo-strip-label { border-right: none; padding-right: 0; }
  .cta-block { padding: 3rem 1.5rem; }
}