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

/* ===== BASE ===== */
:root {
  --bg: rgb(2, 17, 22);
  --teal: rgba(0, 200, 180, 0.85);
  --teal-dim: rgba(0, 200, 180, 0.15);
  --teal-glow: rgba(0, 200, 180, 0.4);
  --white: rgba(245, 245, 245, 0.95);
  --muted: rgba(160, 180, 178, 0.7);
}

html, body {
  height: 100%;
}

body {
  background: #06252b;
  font-family: 'Roboto', Arial, sans-serif;
  color: var(--white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

html {
  overflow-x: hidden;
}

#bg { display: none; }

/* ===== DRAWER ===== */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.drawer-overlay.open {
  display: block;
  opacity: 1;
}

.drawer {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 280px;
  background: #06252b;
  border-right: 1px solid rgba(0,200,180,0.15);
  z-index: 300;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
  padding: 0 0 40px;
}

.drawer.open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(0,200,180,0.1);
}

.drawer-logo {
  height: 32px;
  width: auto;
}

.drawer-close {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.2s;
}

.drawer-close:hover {
  color: var(--white);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  gap: 8px;
}

.drawer-link {
  color: rgba(245,245,245,0.8);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0,200,180,0.08);
  transition: color 0.2s;
}

.drawer-link:hover {
  color: #00e5cc;
}

.contact-link {
  color: #00b8a0;
  text-decoration: underline;
}

.contact-link:hover {
  color: #00e5cc;
}

/* ===== STICKY NAV ===== */
.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 40px;
  background: transparent;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.sticky-nav.scrolled {
  background: #06252b;
  border-bottom: 1px solid rgba(0,200,180,0.1);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-icon {
  height: 36px;
  width: auto;
  cursor: pointer;
}

.nav-tab-bar {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.sticky-nav.tabs-visible .nav-tab-bar {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.nav-tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 8px 20px;
  font-size: clamp(0.78rem, 2vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  font-family: 'Roboto', Arial, sans-serif;
  white-space: nowrap;
  transition: color 0.25s, border-color 0.25s;
}

.nav-tab-btn:hover {
  color: var(--white);
}

.nav-tab-btn.active {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

@media (max-width: 768px) {
  .sticky-nav {
    padding: 10px 16px;
    align-items: center;
  }

  .nav-icon {
    cursor: pointer;
    height: 28px;
    flex-shrink: 0;
  }

  .nav-tab-btn {
    padding: 6px 10px;
    font-size: 0.68rem;
    letter-spacing: 0.05em;
  }
}

@media (max-width: 420px) {
  .nav-icon {
    height: 24px;
  }

  .nav-tab-btn {
    padding: 6px 7px;
    font-size: 0.6rem;
    letter-spacing: 0.03em;
  }
}

/* ===== NAVBAR ===== */
.navbar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 20;
  padding: 14px 48px;
  display: flex;
  align-items: center;
}

.logo {
  font-size: 13px;
  letter-spacing: 5px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  border-top: 1.5px solid rgba(165, 177, 174, 0.5);
  padding-top: 6px;
}

/* ===== LOGO BANNER ===== */
.logo-banner {
  width: 100%;
  position: relative;
  z-index: 5;
  margin-top: 0;
  background: #06252b;
}

.logo-img {
  display: block;
  width: 48%;
  max-width: none;
  height: auto;
  margin: 40px auto;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s ease 0.3s forwards;
}


/* ===== SCROLL SHRINK ===== */
.scroll-shrink {
  opacity: 0;
  transform: scaleY(0.6) translateY(40px);
  transform-origin: top center;
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.scroll-shrink.in-view {
  opacity: 1;
  transform: none;
}

/* ===== WELCOME SECTION ===== */
.welcome {
  background: #f5f5f5;
  color: #0d2e33;
  text-align: center;
  padding: 80px 5%;
  position: relative;
  z-index: 10;
}

.welcome-title {
  user-select: none;
}

/* original welcome-title below */
.welcome-title {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 700;
  color: #00b8a0;
  margin-bottom: 36px;
  letter-spacing: 0.06em;
}

.welcome-text {
  font-size: clamp(0.85rem, 1.2vw, 0.95rem);
  line-height: 1.9;
  color: #1a1a1a;
  max-width: 1100px;
  width: 90%;
  margin: 0 auto 20px;
}

.welcome-text--single {
  max-width: 1200px;
  width: 90%;
  margin-bottom: 0;
  text-align: center;
  line-height: 2.4;
}

.welcome-text--body {
  max-width: 1300px;
  width: 92%;
  white-space: normal;
  text-align: center;
  margin: 0 auto;
  line-height: 2.4;
  color: #03252b;
  letter-spacing: 0;
  font-size: clamp(0.85rem, 1.2vw, 0.95rem);
}

.welcome-indent {
  display: block;
  white-space: nowrap;
  text-align: center;
  padding: 0 12%;
  margin-top: 20px;
  margin-bottom: 20px;
}

.welcome-text strong {
  color: #0d2e33;
}

.welcome-text a {
  color: #0d2e33;
  text-decoration: underline;
}

.welcome-text a:hover {
  color: #00b8a0;
}

/* ===== TECHNOLOGY SECTION ===== */
.technology {
  background: #f5f5f5;
  text-align: center;
  padding: 80px 10%;
  position: relative;
  z-index: 10;
}

.tech-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: #00b8a0;
  margin-bottom: 36px;
  letter-spacing: 0.06em;
}

.tech-text {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 2;
  color: #1a1a1a;
  max-width: 900px;
  margin: 0 auto 60px;
}

.tech-text strong {
  color: #0d2e33;
}

.tech-img-wrap {
  max-width: 390px;
  margin: 0 auto;
  border-radius: 10px;
  overflow: hidden;
}

.tech-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

/* Technology inside accordion overrides */
.accordion-body .tech-text {
  color: rgba(245, 245, 245, 0.9);
  margin-bottom: 40px;
  font-variant: normal;
  text-transform: none;
}

.accordion-body .tech-img-wrap {
  margin-bottom: 30px;
}

/* ===== TABS SECTION ===== */
.tabs-section {
  background: #06252b;
  padding: 60px 10% 80px;
  scroll-margin-top: 70px;
}

.tab-bar {
  display: flex;
  width: 100%;
  border-bottom: 2px solid rgba(0,200,180,0.15);
  margin-bottom: 24px;
  z-index: 50;
  background: #06252b;
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 14px 8px;
  font-size: clamp(0.7rem, 2.5vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  font-family: 'Roboto', Arial, sans-serif;
  box-shadow: inset 0 -3px 0 0 transparent;
  transition: color 0.25s, box-shadow 0.25s;
}

.tab-btn:hover {
  color: var(--white);
}

.tab-btn.active {
  color: var(--teal);
  box-shadow: inset 0 -3px 0 0 var(--teal);
}

.tab-panel {
  display: none;
  opacity: 0;
}

.tab-panel.active {
  display: block;
  min-height: 400px;
  padding-top: 24px;
  animation: tabFadeIn 0.3s ease forwards;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tab-panel--light {
  background: #f5f5f5;
  margin: 0 -10% -80px;
  padding: 40px 10% 80px;
}

.tab-panel--light .opp-text {
  color: #1a1a1a;
}

.tab-panel--light .opp-text strong {
  color: #0d2e33;
}

.tab-panel--light .opp-list li {
  color: #1a1a1a;
}

/* ===== PRODUCTS / ACCORDION ===== */
.products-section {
  background: #06252b;
  padding: 80px 10%;
}

.accordion-item {
  border-bottom: 1px solid rgba(0,200,180,0.15);
}

.accordion-item.sub {
  border-bottom: 1px solid rgba(0,200,180,0.08);
  margin-left: 0;
}

.accordion-item.sub.no-border {
  border-bottom: none;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  cursor: pointer;
  font-size: clamp(0.85rem, 1.8vw, 1.05rem);
  font-weight: 600;
  color: #00e5cc;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  user-select: none;
  transition: color 0.2s;
}

.accordion-header:hover {
  color: #fff;
}

.accordion-item.sub .accordion-header {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: rgba(245,245,245,0.85);
}

.accordion-item.sub .accordion-header:hover {
  color: rgba(245,245,245,1);
}

.acc-arrow {
  font-size: 0.8em;
  transition: transform 0.3s ease;
}

.accordion-header.open .acc-arrow {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 0, 0.2, 1), opacity 0.25s ease;
  opacity: 0;
}

.accordion-body.open {
  max-height: 2000px;
  opacity: 1;
  padding-bottom: 40px;
}

.tetrah-list {
  list-style: disc;
  padding-left: 20px;
  margin: 8px 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tetrah-list li {
  font-size: clamp(0.88rem, 1.5vw, 0.97rem);
  color: rgba(245, 245, 245, 0.85);
  line-height: 1.7;
}

/* ===== TETRAH PROJECT SECTION ===== */
.tetrah-project {
  background: #06252b;
  text-align: center;
  padding: 80px 10%;
  position: relative;
  z-index: 10;
}

.tetrah-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: #00e5cc;
  margin-bottom: 36px;
  letter-spacing: 0.06em;
}

.tetrah-intro {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.tetrah-intro strong {
  color: #00e5cc;
}

.tetrah-acronym {
  font-size: clamp(0.72rem, 1.3vw, 0.82rem);
  color: rgba(0, 200, 180, 0.65);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.tetrah-text {
  font-size: clamp(0.9rem, 2vw, 1rem);
  line-height: 2;
  color: rgba(245, 245, 245, 0.9);
  max-width: 700px;
  width: 90%;
  margin: 0 auto 8px;
  text-transform: none;
  font-variant: normal;
  letter-spacing: normal;
}

.tetrah-list li {
  text-transform: none;
  font-variant: normal;
  letter-spacing: normal;
}

.tetrah-text--single {
  white-space: normal;
}


.tetrah-text strong {
  color: #fff;
}

.tetrah-imgs {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 80px;
}

.tetrah-img-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  max-width: 300px;
}

.tetrah-img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  display: block;
}

.tetrah-caption {
  font-size: 0.78rem;
  color: #666;
  text-align: center;
}

@media (max-width: 768px) {
  .welcome {
    padding: 50px 6%;
  }
  .welcome-text {
    width: 100%;
    font-size: 0.95rem;
  }
  .welcome-text--single {
    white-space: normal;
  }
  .welcome-indent {
    white-space: normal;
    padding: 0 2%;
  }
}

@media (max-width: 600px) {
  .tetrah-imgs {
    flex-direction: column;
    align-items: center;
  }
  .tetrah-img-item {
    max-width: 100%;
  }
}

/* ===== TAGG SECTION ===== */
.tagg-section {
  max-width: 620px;
  padding-top: 10px;
}

.tagg-badge {
  display: inline-block;
  padding: 5px 14px;
  border: 1px solid var(--teal);
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 999px;
  margin-bottom: 20px;
}

.tagg-title {
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 700;
  color: #00e5cc;
  margin-bottom: 20px;
  line-height: 1.35;
}

.tagg-text {
  font-size: clamp(0.88rem, 1.6vw, 0.98rem);
  line-height: 1.85;
  color: rgba(245, 245, 245, 0.85);
  margin-bottom: 28px;
}

.tagg-list {
  list-style: none;
  padding: 0;
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tagg-list li {
  font-size: clamp(0.88rem, 1.5vw, 0.97rem);
  color: rgba(245, 245, 245, 0.85);
  line-height: 1.65;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.tagg-icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.tagg-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 15px 24px;
  background: #00b8a0;
  border: none;
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  transition: background 0.2s, box-shadow 0.2s;
}

.tagg-btn:hover {
  background: #009e89;
  box-shadow: 0 4px 20px rgba(0, 184, 160, 0.4);
}

.tagg-btn-icon {
  font-size: 1.15rem;
}

.tagg-btn-ext {
  font-size: 0.95rem;
  opacity: 0.85;
}

/* ===== TAGGNOW SECTION ===== */
.taggnow-section {
  max-width: 620px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(0, 200, 180, 0.15);
}

.taggnow-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 32px;
  display: flex;
  flex-direction: column;
}

.taggnow-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(0, 200, 180, 0.12);
}

.taggnow-list li:first-child {
  border-top: 1px solid rgba(0, 200, 180, 0.12);
}

.taggnow-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--teal);
  margin-top: 2px;
}

.taggnow-list li div strong {
  display: block;
  font-size: clamp(0.88rem, 1.6vw, 0.97rem);
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 6px;
}

.taggnow-list li div p {
  font-size: clamp(0.84rem, 1.4vw, 0.93rem);
  color: rgba(245, 245, 245, 0.8);
  line-height: 1.65;
}

.taggnow-note {
  border-left: 3px solid var(--teal);
  padding: 14px 18px;
  margin-bottom: 32px;
  background: rgba(0, 200, 180, 0.05);
  border-radius: 0 4px 4px 0;
}

.taggnow-note p {
  font-size: clamp(0.82rem, 1.4vw, 0.9rem);
  color: rgba(245, 245, 245, 0.75);
  line-height: 1.65;
}

.taggnow-note p strong {
  color: rgba(245, 245, 245, 0.95);
}

.taggnow-btn {
  width: auto;
  display: inline-flex;
  padding: 13px 28px;
}

.tagg-inline-link {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}

.tagg-inline-link:hover {
  color: #00e5cc;
}

/* ===== OPPORTUNITY SECTION ===== */
.opp-accordion {
  border-bottom: 1px solid rgba(0, 184, 160, 0.3);
}

.opp-accordion-header {
  color: #00b8a0;
  border-bottom: 1px solid rgba(0, 184, 160, 0.3);
}

.opp-accordion-header .acc-arrow {
  color: #00b8a0;
}

.opportunity {
  background: #f5f5f5;
  text-align: center;
  padding: 80px 10%;
  position: relative;
  z-index: 10;
}

.opp-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: #00b8a0;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
  text-align: center;
}

.opp-text {
  font-size: clamp(0.92rem, 1.8vw, 1.05rem);
  line-height: 1.85;
  color: #1a1a1a;
  max-width: 720px;
  margin: 0 auto 24px;
  text-align: center;
}

.opp-text strong {
  color: #0d2e33;
  font-weight: 700;
}

.opp-list {
  list-style: none;
  margin: 8px auto 36px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  max-width: 600px;
}

.opp-list li {
  font-size: clamp(0.88rem, 1.6vw, 0.98rem);
  color: #1a1a1a;
  line-height: 1.8;
  letter-spacing: 0.4px;
  padding: 4px 12px;
  border: 1px solid rgba(0,184,160,0.3);
  border-radius: 4px;
}

.opp-divider {
  width: 60px;
  height: 2px;
  background: rgba(0,184,160,0.3);
  margin: 48px auto;
}

.opp-pitch-btn {
  display: block;
  width: fit-content;
  margin: 32px auto 0;
  padding: 14px 36px;
  background: #00b8a0;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.2s, box-shadow 0.2s;
}

.opp-pitch-btn:hover {
  background: #009e89;
  box-shadow: 0 4px 20px rgba(0,184,160,0.35);
}

/* ===== SECTION TWO ===== */
.section-two {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 80px 8%;
  flex-wrap: wrap;
}

.section-two-text {
  flex: 1 1 300px;
  max-width: 480px;
}

.section-two-text h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--white) 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 12px 0 20px;
}

.section-two-media {
  flex: 1 1 300px;
  max-width: 540px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0,200,180,0.05);
  border: 1px solid rgba(0,200,180,0.1);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-two-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 48px 40px;
  gap: 60px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* Eyebrow */
.eyebrow {
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}

/* Main title */
.title {
  font-size: clamp(3.5rem, 12vw, 9rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1;
  background: linear-gradient(135deg, var(--white) 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.4s forwards;
  position: relative;
}

.title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--teal);
  margin-top: 24px;
  opacity: 0;
  animation: expandLine 0.8s ease 1s forwards;
}

/* Sub */
.sub {
  font-size: clamp(0.75rem, 2vw, 0.95rem);
  letter-spacing: 2px;
  color: var(--teal);
  text-transform: uppercase;
  margin-top: 18px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.7s forwards;
}

/* Desc */
.desc {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  line-height: 1.8;
  color: var(--muted);
  margin-top: 20px;
  max-width: 520px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.9s forwards;
}

/* CTA */
.cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
  opacity: 0;
  animation: fadeUp 0.8s ease 1.1s forwards;
}

.btn-primary {
  display: inline-block;
  padding: 13px 32px;
  background: var(--teal-dim);
  border: 1px solid var(--teal-glow);
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  background: rgba(0, 200, 180, 0.25);
  box-shadow: 0 0 20px var(--teal-glow);
}

.btn-ghost {
  display: inline-block;
  padding: 13px 32px;
  border: 1px solid rgba(165, 177, 174, 0.3);
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 2px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover {
  border-color: var(--teal-glow);
  color: var(--white);
}

/* ===== BADGES ===== */
.badge-wrap {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease 1.3s forwards;
}

.badge {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 1.5px solid rgba(0, 200, 180, 0.3);
  padding-left: 14px;
}

.badge-label {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
}

.badge-value {
  font-size: 13px;
  letter-spacing: 1.5px;
  color: var(--white);
}

/* ===== FOOTER ===== */
.footer {
  position: relative;
  z-index: 10;
  padding: 24px 48px;
  display: flex;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(160, 180, 178, 0.4);
  border-top: 1px solid rgba(165, 177, 174, 0.08);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes expandLine {
  from { width: 0; opacity: 0; }
  to   { width: 60px; opacity: 1; }
}

/* ===== MOBILE ===== */
@media (max-width: 600px) {
  .section-two {
    flex-direction: column;
    padding: 48px 6%;
  }

  .section-two-text,
  .section-two-media {
    max-width: 100%;
  }

  .logo-banner {
    padding: 0;
  }

  .logo-img {
    width: 75%;
    max-width: none;
    margin: 30px auto;
  }

  .navbar { padding: 20px 24px; }

  .hero {
    padding: 40px 24px 32px;
    gap: 40px;
  }

  .cta-row {
    flex-direction: column;
  }

  .btn-primary, .btn-ghost {
    text-align: center;
  }

  .badge-wrap {
    gap: 18px;
  }

  .footer {
    padding: 20px 24px;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }

  .tabs-section {
    padding: 32px 5% 60px;
  }

  .tab-bar {
    margin-bottom: 16px;
  }

  .tab-btn {
    font-size: 0.72rem;
    padding: 12px 4px;
    letter-spacing: 0.04em;
  }

  .accordion-header {
    padding: 14px 0;
    font-size: 0.88rem;
  }

  .accordion-item.sub .accordion-header {
    font-size: 0.88rem;
  }

  .tetrah-intro {
    font-size: 1.2rem;
  }

  .tetrah-acronym {
    font-size: 0.68rem;
  }

  .tab-panel--light {
    margin: -8px -5% -60px;
    padding: 32px 5% 60px;
  }
}