/* =========================================================
   TDTC Modern Design System
   ========================================================= */
:root {
  --navy:    #0E1A2B;
  --navy-2:  #14233A;
  --cyan:    #1BA9CB;
  --gold:    #B08D4F;
  --teal:    #3A9088;
  --green:   #5A9F5C;
  --bg:      #FAFBFC;
  --text:    #172033;
  --muted:   #6B7280;
  --line:    #E7EDF3;
  --card:    #FFFFFF;
  --shadow:       0 18px 50px rgba(14,26,43,.10);
  --shadow-soft:  0 10px 30px rgba(14,26,43,.08);
  --radius:    20px;
  --radius-sm: 14px;
  --heading: "Tajawal", "Readex Pro", system-ui, -apple-system, sans-serif;
  --body:    "Readex Pro", "Tajawal", system-ui, -apple-system, sans-serif;
  --numbers: "Inter", "Readex Pro", sans-serif;
}

/* ---- Base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  background: radial-gradient(circle at 12% 10%, rgba(27,169,203,.10), transparent 30%),
              radial-gradient(circle at 88% 18%, rgba(176,141,79,.10), transparent 28%),
              var(--bg);
  color: var(--text);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }

/* ---- Layout ---- */
.modern-container { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.number { font-family: var(--numbers); direction: ltr; display: inline-block; }
.modern-section { padding: 86px 0; position: relative; }

/* ---- Typography helpers ---- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--cyan); font-weight: 800; margin-bottom: 14px;
  background: rgba(27,169,203,.10); padding: 8px 12px; border-radius: 999px;
}
.eyebrow::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 0 6px rgba(27,169,203,.12);
}
.section-title {
  font-family: var(--heading);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.25; margin: 0 0 12px;
  letter-spacing: -.02em; color: var(--navy);
}
.section-subtitle {
  color: var(--muted); line-height: 1.9;
  margin: 0 auto 34px; max-width: 720px;
}
.center { text-align: center; }
.gradient-text {
  background: linear-gradient(90deg, var(--cyan), var(--teal));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---- Topbar ---- */
.tdtc-topbar {
  background: linear-gradient(90deg, var(--navy), #152945);
  color: #fff; font-size: 13px; position: relative; z-index: 50;
}
.tdtc-topbar-inner {
  min-height: 40px; display: flex; align-items: center;
  justify-content: space-between; gap: 14px;
}
.tdtc-topbar .code {
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18);
  color: #fff; padding: 5px 10px; border-radius: 999px;
  margin-inline: 6px; font-family: var(--numbers); letter-spacing: .08em;
}
.tdtc-top-links { display: flex; gap: 16px; color: rgba(255,255,255,.82); white-space: nowrap; }
.tdtc-top-links a:hover { color: #fff; }

/* ---- Header / Nav ---- */
.tdtc-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(250,251,252,.70);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(231,237,243,.75);
  transition: .25s ease;
}
.tdtc-nav-wrap {
  height: 78px; display: flex; align-items: center;
  justify-content: space-between; gap: 20px;
}
.tdtc-logo { display: flex; align-items: center; gap: 12px; min-width: 230px; }
.tdtc-logo img { width: 220px; height: auto; }
.tdtc-nav { display: flex; align-items: center; gap: 8px; }
.tdtc-nav a {
  padding: 10px 12px; color: #344156;
  border-radius: 12px; font-weight: 700; font-size: 14px;
  transition: .2s ease;
}
.tdtc-nav a:hover { background: #fff; color: var(--cyan); box-shadow: var(--shadow-soft); }
.tdtc-cta {
  border: 0; color: white;
  background: linear-gradient(135deg, var(--cyan), #18C4DC);
  padding: 12px 18px; border-radius: 999px; font-weight: 900;
  box-shadow: 0 0 0 6px rgba(27,169,203,.12), 0 12px 28px rgba(27,169,203,.34);
  cursor: pointer; transition: transform .2s ease, box-shadow .2s ease;
  white-space: nowrap; font-size: 14px;
}
.tdtc-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 8px rgba(27,169,203,.14), 0 18px 36px rgba(27,169,203,.42);
}
.tdtc-menu-btn {
  display: none; border: 0; background: #fff; border-radius: 14px;
  padding: 10px; box-shadow: var(--shadow-soft); cursor: pointer;
}
.tdtc-menu-btn span {
  display: block; width: 24px; height: 2px;
  background: var(--navy); margin: 5px 0; border-radius: 2px;
}

/* ---- Hero version switching ---- */
.tdtc-hero-desktop { display: block; }
.tdtc-hero-mobile  { display: none; }

/* ---- Hero ---- */
.tdtc-hero { padding: 76px 0 58px; position: relative; overflow: hidden; }
.tdtc-hero::before {
  content: ""; position: absolute; inset: 40px auto auto -160px;
  width: 420px; height: 420px;
  border: 1px solid rgba(27,169,203,.14); border-radius: 50%;
  box-shadow: inset 0 0 0 70px rgba(27,169,203,.025);
}
.tdtc-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center; }
.tdtc-hero h1 {
  font-family: var(--heading); color: var(--navy);
  font-size: clamp(40px, 6vw, 72px); line-height: 1.12;
  margin: 0 0 20px; letter-spacing: -.045em;
}
.tdtc-hero p {
  color: var(--muted); font-size: 18px; line-height: 1.95;
  margin: 0 0 30px; max-width: 650px;
}
.tdtc-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.tdtc-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px; min-height: 52px; padding: 0 22px;
  border-radius: 999px; font-weight: 900; transition: .2s ease; cursor: pointer;
  border: 0;
}
.tdtc-btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  color: #fff; box-shadow: 0 16px 34px rgba(27,169,203,.30);
}
.tdtc-btn-primary:hover { transform: translateY(-2px); color: #fff; }
.tdtc-btn-secondary {
  background: #fff; color: var(--navy);
  border: 1px solid var(--line); box-shadow: var(--shadow-soft);
}
.tdtc-btn-secondary:hover { color: var(--cyan); transform: translateY(-2px); }

/* ---- Trust Stats (hero) ---- */
.tdtc-trust-stats {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px; max-width: 620px;
}
.tdtc-mini-stat {
  background: rgba(255,255,255,.78); border: 1px solid rgba(231,237,243,.9);
  border-radius: 18px; padding: 16px; box-shadow: var(--shadow-soft);
}
.tdtc-mini-stat strong {
  display: block; color: var(--navy); font-family: var(--numbers);
  font-size: 24px; margin-bottom: 4px; direction: ltr;
}
.tdtc-mini-stat span { color: var(--muted); font-size: 13px; }

/* ---- Orbital / Hero illustration ---- */
.tdtc-orbital-stage {
  min-height: 560px; position: relative; display: grid;
  place-items: center; isolation: isolate;
}
.tdtc-orbital-stage::before {
  content: ""; position: absolute;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(27,169,203,.14), transparent 62%);
  filter: blur(2px); z-index: -1;
}
.tdtc-orbit-svg {
  width: min(520px, 100%);
  filter: drop-shadow(0 24px 55px rgba(14,26,43,.12));
  animation: tdtc-float 6s ease-in-out infinite;
}
@keyframes tdtc-float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }
.tdtc-spin-slow { transform-origin: 250px 250px; animation: tdtc-spin 26s linear infinite; }
.tdtc-spin-rev  { transform-origin: 250px 250px; animation: tdtc-spin 34s linear infinite reverse; }
@keyframes tdtc-spin { to { transform: rotate(360deg); } }

/* ---- Glass cards on orbital ---- */
.tdtc-glass-card {
  position: absolute; background: rgba(255,255,255,.72);
  backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,.75);
  box-shadow: 0 18px 45px rgba(14,26,43,.13); border-radius: 18px;
  padding: 14px 16px; display: flex; align-items: center;
  gap: 12px; min-width: 190px; transition: .25s ease;
}
.tdtc-glass-card:hover { transform: translateY(-5px); }
.tdtc-glass-card .gc-icon {
  width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 14px; background: rgba(27,169,203,.11);
  color: var(--cyan); font-size: 21px;
}
.tdtc-glass-card strong { display: block; color: var(--navy); font-size: 14px; }
.tdtc-glass-card span  { color: var(--muted); font-size: 12px; }
.tdtc-gc-1 { top: 70px;   right: 20px; }
.tdtc-gc-2 { bottom: 92px; right: 12px; }
.tdtc-gc-3 { left: 10px;  top: 250px; }

/* ---- Mobile Hero ---- */
.tdtc-hero-mobile {
  padding: 44px 0 52px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.tdtc-hero-m-deco {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.tdtc-hero-m-deco::before {
  content: "";
  position: absolute;
  width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(27,169,203,.13), transparent 65%);
  top: -100px; left: 50%; transform: translateX(-50%);
}
.tdtc-hero-m-deco::after {
  content: "";
  position: absolute;
  width: 220px; height: 220px; border-radius: 50%;
  border: 1px solid rgba(27,169,203,.14);
  bottom: -70px; right: -60px;
  box-shadow: 0 0 0 40px rgba(176,141,79,.04);
}
.tdtc-hero-m-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
}
.tdtc-hero-mobile .eyebrow { margin-bottom: 14px; }
.tdtc-hero-mobile h1 {
  font-family: var(--heading); color: var(--navy);
  font-size: clamp(28px, 8vw, 40px); line-height: 1.2;
  margin: 0 0 16px; letter-spacing: -.04em;
}
.tdtc-hero-mobile p {
  color: var(--muted); font-size: 15px; line-height: 1.85;
  margin: 0 0 26px; max-width: 340px;
}
.tdtc-hero-m-actions {
  display: flex; flex-direction: column; gap: 12px;
  width: 100%; max-width: 320px; margin-bottom: 28px;
}
.tdtc-hero-m-actions .tdtc-btn { width: 100%; min-height: 52px; }
.tdtc-hero-m-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 10px; width: 100%; max-width: 340px; margin-bottom: 24px;
}
.tdtc-hero-m-stat {
  background: rgba(255,255,255,.82); border: 1px solid rgba(231,237,243,.9);
  border-radius: 18px; padding: 14px 8px; box-shadow: var(--shadow-soft);
  display: flex; flex-direction: column; align-items: center; gap: 3px;
}
.tdtc-hero-m-stat strong {
  color: var(--navy); font-family: var(--numbers);
  font-size: 20px; direction: ltr;
}
.tdtc-hero-m-stat span { color: var(--muted); font-size: 11px; }
.tdtc-hero-m-features {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
}
.tdtc-hero-m-feat {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(255,255,255,.78); border: 1px solid rgba(27,169,203,.18);
  border-radius: 999px; padding: 8px 14px; font-size: 13px;
  font-weight: 700; color: var(--navy); box-shadow: var(--shadow-soft);
}
.feat-icon {
  width: 24px; height: 24px; border-radius: 8px; flex-shrink: 0;
  background: rgba(27,169,203,.11); color: var(--cyan);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px;
}

/* ---- Trust Strip ---- */
.tdtc-trust-strip { padding: 28px 0 12px; }
.tdtc-trust-box {
  background: #fff; border: 1px solid var(--line);
  border-radius: 24px; box-shadow: var(--shadow-soft); padding: 22px;
  display: grid; grid-template-columns: 1.2fr repeat(4, 1fr);
  gap: 16px; align-items: center;
}
.tdtc-badge-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.tdtc-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(176,141,79,.12); color: #735927;
  border: 1px solid rgba(176,141,79,.25);
  padding: 9px 12px; border-radius: 999px; font-weight: 900; font-size: 13px;
}
.tdtc-badge.cyan {
  background: rgba(27,169,203,.10); color: #137C94;
  border-color: rgba(27,169,203,.18);
}
.tdtc-big-stat { text-align: center; border-right: 1px solid var(--line); }
.tdtc-big-stat:first-of-type { border-right: 0; }
.tdtc-big-stat strong {
  font-family: var(--numbers); direction: ltr;
  display: block; font-size: 28px; color: var(--navy);
}
.tdtc-big-stat span { color: var(--muted); font-size: 13px; }

/* ---- NELC Section ---- */
.tdtc-nelc-section { padding: 0 0 18px; }
.tdtc-nelc-box {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #fff, rgba(255,255,255,.82));
  border: 1px solid var(--line); border-radius: 24px;
  box-shadow: var(--shadow-soft); padding: 18px 20px;
  display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center;
}
.tdtc-nelc-box::before {
  content: ""; position: absolute; width: 190px; height: 190px;
  border-radius: 50%; border: 1px solid rgba(176,141,79,.16);
  left: -82px; top: -92px;
  box-shadow: 0 0 0 34px rgba(176,141,79,.035), 0 0 0 70px rgba(27,169,203,.025);
}
.tdtc-nelc-content { position: relative; display: flex; align-items: center; gap: 14px; }
.tdtc-nelc-icon {
  width: 54px; height: 54px; flex: 0 0 54px; border-radius: 18px;
  display: grid; place-items: center; color: #735927;
  background: rgba(176,141,79,.12); border: 1px solid rgba(176,141,79,.22); font-weight: 900;
}
.tdtc-nelc-content h3 { margin: 0 0 5px; color: var(--navy); font-size: 18px; }
.tdtc-nelc-content p  { margin: 0; color: var(--muted); line-height: 1.7; font-size: 13px; }
.tdtc-nelc-badge-frame {
  position: relative; justify-self: end; width: 250px; height: 60px;
  display: grid; place-items: center; background: #fff;
  border: 1px solid rgba(231,237,243,.95); border-radius: 16px;
  box-shadow: 0 10px 24px rgba(14,26,43,.07); overflow: hidden;
}
.tdtc-nelc-badge-frame iframe { width: 250px; height: 60px; border: 0; }

/* ---- Payment Strip ---- */
.tdtc-payment-strip { padding: 0 0 38px; position: relative; }
.tdtc-payment-box {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, rgba(255,255,255,.94), rgba(255,255,255,.78));
  border: 1px solid rgba(231,237,243,.95); border-radius: 24px;
  box-shadow: var(--shadow-soft); padding: 18px 20px;
  display: grid; grid-template-columns: 1.15fr 1.5fr .95fr; align-items: center; gap: 18px;
}
.tdtc-payment-box::before {
  content: ""; position: absolute; width: 170px; height: 170px;
  border-radius: 50%; border: 1px solid rgba(27,169,203,.14);
  right: -70px; top: -90px;
  box-shadow: 0 0 0 32px rgba(27,169,203,.035), 0 0 0 64px rgba(176,141,79,.025);
}
.tdtc-payment-title { position: relative; display: flex; align-items: center; gap: 12px; color: var(--navy); font-weight: 900; }
.tdtc-payment-title .pt-icon {
  width: 44px; height: 44px; flex: 0 0 44px; display: grid; place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(27,169,203,.13), rgba(58,144,136,.12));
  color: var(--cyan); box-shadow: inset 0 0 0 1px rgba(27,169,203,.12);
}
.tdtc-payment-title strong { display: block; font-size: 16px; margin-bottom: 2px; }
.tdtc-payment-title small  { display: block; color: var(--muted); font-size: 12px; font-weight: 700; }
.tdtc-payment-methods {
  position: relative; display: flex; align-items: center;
  justify-content: center; gap: 10px; flex-wrap: wrap;
}
.tdtc-pay-card {
  min-width: 88px; height: 44px; padding: 0 15px; border-radius: 15px;
  background: #fff; border: 1px solid rgba(231,237,243,.95);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; color: var(--navy); box-shadow: 0 8px 20px rgba(14,26,43,.06);
  transition: .2s ease; position: relative;
}
.tdtc-pay-card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,.35), transparent);
  pointer-events: none;
}
.tdtc-pay-card:hover { transform: translateY(-3px); border-color: rgba(27,169,203,.30); box-shadow: 0 14px 28px rgba(14,26,43,.11); }
.tdtc-pay-card svg  { height: 20px; width: auto; display: block; position: relative; z-index: 1; }
.tdtc-payment-note {
  position: relative; justify-self: end; color: var(--muted);
  font-size: 13px; line-height: 1.8; display: flex; align-items: center; gap: 8px;
}
.tdtc-payment-note::before {
  content: "✓"; width: 24px; height: 24px; flex: 0 0 24px;
  border-radius: 50%; display: grid; place-items: center;
  background: rgba(90,159,92,.12); color: var(--green); font-weight: 900;
}

/* ---- Courses Section ---- */
.tdtc-courses-section {
  background: linear-gradient(180deg, transparent, rgba(231,237,243,.38));
  padding: 86px 0;
}
.tdtc-tabs {
  display: flex; gap: 10px; overflow-x: auto; padding: 4px 2px 16px;
  margin-bottom: 22px; scrollbar-width: none;
}
.tdtc-tabs::-webkit-scrollbar { display: none; }
.tdtc-tab {
  flex: 0 0 auto; border: 1px solid var(--line); background: #fff;
  color: #41506A; border-radius: 999px; padding: 11px 17px;
  font-weight: 900; cursor: pointer; transition: .2s ease;
}
.tdtc-tab:hover, .tdtc-tab.active {
  background: var(--navy); color: #fff; border-color: var(--navy);
  box-shadow: 0 14px 30px rgba(14,26,43,.18);
}
.tdtc-course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tdtc-course-card {
  background: #fff; border: 1px solid var(--line); border-radius: 24px;
  overflow: hidden; box-shadow: var(--shadow-soft); transition: .25s ease;
  text-decoration: none; display: block; color: inherit;
}
.tdtc-course-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); color: inherit; }
.tdtc-thumb {
  height: 172px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  display: flex; align-items: flex-end; padding: 18px; color: #fff;
}
.tdtc-thumb.tech { background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.32), transparent 22%), linear-gradient(135deg, var(--cyan), var(--teal)); }
.tdtc-thumb.mgmt { background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.25), transparent 22%), linear-gradient(135deg, var(--gold), #6F5A34); }
.tdtc-thumb.live { background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.28), transparent 22%), linear-gradient(135deg, var(--green), var(--teal)); }
.tdtc-thumb-img { object-fit: cover; object-position: center; width: 100%; height: 100%; position: absolute; inset: 0; }
.tdtc-thumb::before {
  content: ""; position: absolute; width: 210px; height: 210px;
  border: 1px solid rgba(255,255,255,.42); border-radius: 50%;
  left: -55px; top: -55px;
  box-shadow: 0 0 0 38px rgba(255,255,255,.06), 0 0 0 76px rgba(255,255,255,.04);
}
.tdtc-thumb-title { margin: 0; position: relative; z-index: 1; font-size: 22px; line-height: 1.35; }
.tdtc-course-badges { position: absolute; top: 14px; right: 14px; display: flex; gap: 8px; flex-wrap: wrap; z-index: 2; }
.tdtc-course-badge {
  background: rgba(255,255,255,.88); color: var(--navy);
  border-radius: 999px; padding: 6px 9px; font-size: 11px; font-weight: 900;
  backdrop-filter: blur(10px);
}
.pulse-dot::before {
  content: ""; display: inline-block; width: 7px; height: 7px;
  border-radius: 50%; background: #FF4D4D; margin-left: 5px;
  box-shadow: 0 0 0 0 rgba(255,77,77,.7); animation: tdtc-pulse 1.4s infinite;
}
@keyframes tdtc-pulse { 70% { box-shadow: 0 0 0 8px rgba(255,77,77,0); } 100% { box-shadow: 0 0 0 0 rgba(255,77,77,0); } }
.tdtc-course-body { padding: 18px; }
.tdtc-course-meta {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; color: var(--muted); font-size: 13px; margin-bottom: 14px;
}
.tdtc-instructor { display: flex; align-items: center; gap: 9px; }
.tdtc-avatar {
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(27,169,203,.18), rgba(58,144,136,.20));
  color: var(--navy); font-weight: 900; font-size: 14px;
}
.tdtc-rating { color: #D89B22; font-family: var(--numbers); direction: ltr; white-space: nowrap; }
.tdtc-course-title { font-size: 20px; line-height: 1.55; color: var(--navy); margin: 0 0 12px; }
.tdtc-course-desc  { color: var(--muted); font-size: 14px; line-height: 1.8; margin: 0 0 18px; }
.tdtc-price-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.tdtc-price strong { font-family: var(--numbers); font-size: 24px; color: var(--navy); direction: ltr; }
.tdtc-price del    { color: #9AA4B2; font-size: 13px; margin-inline-start: 8px; }
.tdtc-small-btn {
  border: 0; background: rgba(27,169,203,.12); color: #127891;
  border-radius: 13px; padding: 10px 13px; font-weight: 900;
  cursor: pointer; transition: .2s ease;
}
.tdtc-small-btn:hover { background: var(--cyan); color: #fff; }

/* ---- Features / Why us ---- */
.tdtc-features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tdtc-feature {
  background: #fff; border: 1px solid var(--line); border-radius: 22px;
  padding: 24px; box-shadow: var(--shadow-soft); transition: .25s ease;
}
.tdtc-feature:hover { transform: translateY(-5px); }
.tdtc-feature-icon {
  width: 54px; height: 54px; border-radius: 18px; display: grid;
  place-items: center; color: #fff; font-size: 25px;
  margin-bottom: 16px; box-shadow: 0 14px 26px rgba(14,26,43,.14);
}
.tdtc-feature h3 { color: var(--navy); margin: 0 0 9px; font-size: 20px; }
.tdtc-feature p  { color: var(--muted); line-height: 1.8; margin: 0; }

/* ---- Steps ---- */
.tdtc-steps-wrap {
  position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
}
.tdtc-steps-wrap::before {
  content: ""; position: absolute; top: 38px; right: 8%; left: 8%;
  border-top: 2px dashed rgba(27,169,203,.30); z-index: 0;
}
.tdtc-step {
  position: relative; z-index: 1; background: #fff; border: 1px solid var(--line);
  border-radius: 22px; padding: 20px; text-align: center;
  box-shadow: var(--shadow-soft); transition: .25s ease;
}
.tdtc-step-num {
  width: 48px; height: 48px; margin: -2px auto 16px;
  border-radius: 50%; display: grid; place-items: center;
  background: #EEF7FA; color: var(--cyan);
  font-family: var(--numbers); font-weight: 900;
  border: 1px solid rgba(27,169,203,.18); transition: .25s ease;
}
.tdtc-step:hover .tdtc-step-num { background: var(--cyan); color: #fff; box-shadow: 0 0 0 8px rgba(27,169,203,.12); }
.tdtc-step h3 { color: var(--navy); margin: 0 0 8px; font-size: 17px; }
.tdtc-step p  { color: var(--muted); margin: 0; line-height: 1.7; font-size: 13px; }

/* ---- Partners ---- */
.tdtc-partners-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.tdtc-partner {
  height: 112px; display: grid; place-items: center; text-align: center;
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow-soft); color: #758094; font-weight: 900; transition: .2s ease;
}
.tdtc-partner:hover { color: var(--navy); transform: translateY(-4px); border-color: rgba(27,169,203,.25); }
.tdtc-partner-mark {
  width: 42px; height: 42px; border-radius: 14px; display: grid;
  place-items: center; margin-bottom: 8px;
  background: linear-gradient(135deg, rgba(27,169,203,.14), rgba(176,141,79,.14));
  color: var(--cyan);
}

/* ---- Testimonials ---- */
.tdtc-testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tdtc-quote-card {
  background: #fff; border: 1px solid var(--line); border-radius: 24px;
  padding: 24px; box-shadow: var(--shadow-soft); position: relative; overflow: hidden;
}
.tdtc-quote-card::before {
  content: "\201C"; position: absolute; top: -26px; left: 24px;
  font-size: 110px; color: rgba(27,169,203,.10); font-family: serif;
}
.tdtc-stars { color: #D89B22; letter-spacing: 2px; margin-bottom: 16px; direction: ltr; text-align: right; }
.tdtc-quote-card p { color: #526074; line-height: 1.95; margin: 0 0 20px; }
.tdtc-person { display: flex; align-items: center; gap: 12px; }
.tdtc-person .tdtc-avatar { width: 46px; height: 46px; background: linear-gradient(135deg, var(--cyan), var(--teal)); color: #fff; }
.tdtc-person strong { display: block; color: var(--navy); }
.tdtc-person span   { color: var(--muted); font-size: 13px; }

/* ---- Newsletter ---- */
.tdtc-newsletter { padding: 30px 0 86px; }
.tdtc-newsletter-card {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--navy), #12243D);
  border-radius: 30px; padding: 46px; color: #fff;
  box-shadow: 0 24px 70px rgba(14,26,43,.25);
  display: grid; grid-template-columns: 1fr .78fr; gap: 24px; align-items: center;
}
.tdtc-newsletter-card::before {
  content: ""; position: absolute; width: 300px; height: 300px;
  border: 1px solid rgba(255,255,255,.16); border-radius: 50%;
  left: -70px; top: -80px;
  box-shadow: 0 0 0 46px rgba(255,255,255,.035), 0 0 0 92px rgba(27,169,203,.06);
}
.tdtc-newsletter-card h2 {
  position: relative; margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 44px); line-height: 1.35;
}
.tdtc-newsletter-card p { position: relative; margin: 0; color: rgba(255,255,255,.72); line-height: 1.9; }
.tdtc-email-box {
  position: relative; display: flex; gap: 10px; padding: 10px;
  border-radius: 20px; background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(14px);
}
.tdtc-email-box input { width: 100%; border: 0; outline: 0; color: #fff; background: transparent; padding: 12px; }
.tdtc-email-box input::placeholder { color: rgba(255,255,255,.58); }
.tdtc-email-box button {
  border: 0; background: var(--cyan); color: #fff; border-radius: 15px;
  padding: 0 18px; font-weight: 900; cursor: pointer; white-space: nowrap;
}

/* ---- Footer ---- */
.tdtc-footer { background: var(--navy); color: #fff; padding: 62px 0 24px; }
.tdtc-footer-grid { display: grid; grid-template-columns: 1.3fr repeat(4, 1fr); gap: 26px; }
.tdtc-footer-logo { background: #fff; padding: 12px; border-radius: 18px; width: 200px; margin-bottom: 16px; }
.tdtc-footer p { color: rgba(255,255,255,.68); line-height: 1.9; margin: 0; }
.tdtc-footer h3 { margin: 0 0 16px; font-size: 17px; }
.tdtc-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.tdtc-footer a { color: rgba(255,255,255,.68); transition: .2s ease; }
.tdtc-footer a:hover { color: #fff; padding-inline-start: 3px; }
.tdtc-socials { display: flex; gap: 10px; margin-top: 18px; }
.tdtc-socials a {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(255,255,255,.08); color: #fff; position: relative; overflow: hidden;
  transform: translateY(0); transition: transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease;
}
.tdtc-socials a::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .22s ease;
  background: var(--social-gradient, linear-gradient(135deg, var(--cyan), var(--teal)));
}
.tdtc-socials a svg { width: 19px; height: 19px; fill: currentColor; position: relative; z-index: 1; transition: transform .22s ease; }
.tdtc-socials a:hover { color: #fff; transform: translateY(-5px) scale(1.04); box-shadow: 0 14px 28px rgba(0,0,0,.22); padding-inline-start: 0; }
.tdtc-socials a:hover::before { opacity: 1; }
.tdtc-socials a:hover svg { transform: scale(1.08) rotate(-3deg); }
.tdtc-socials a.tdtc-x         { --social-gradient: linear-gradient(135deg,#111827,#374151); }
.tdtc-socials a.tdtc-linkedin  { --social-gradient: linear-gradient(135deg,#0A66C2,#1BA9CB); }
.tdtc-socials a.tdtc-instagram { --social-gradient: linear-gradient(135deg,#833AB4,#FD1D1D 55%,#FCAF45); }
.tdtc-socials a.tdtc-tiktok    { --social-gradient: linear-gradient(135deg,#000000,#25F4EE 55%,#FE2C55); }
.tdtc-copyright {
  border-top: 1px solid rgba(255,255,255,.10); margin-top: 34px; padding-top: 20px;
  display: flex; justify-content: space-between; gap: 14px;
  color: rgba(255,255,255,.58); font-size: 13px;
}

/* ---- WhatsApp floating button ---- */
.tdtc-whatsapp {
  position: fixed; bottom: 22px; left: 22px; z-index: 60;
  width: 60px; height: 60px; border-radius: 50%; background: #24D366;
  color: #fff; display: grid; place-items: center;
  box-shadow: 0 16px 34px rgba(36,211,102,.35); font-size: 29px;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}
.tdtc-whatsapp svg { width: 30px; height: 30px; fill: currentColor; transition: transform .22s ease; }
.tdtc-whatsapp:hover { transform: translateY(-6px) scale(1.06); background: #20BF5B; box-shadow: 0 22px 46px rgba(36,211,102,.48); color: #fff; }
.tdtc-whatsapp:hover svg { transform: rotate(-8deg) scale(1.08); }
.tdtc-whatsapp::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: rgba(36,211,102,.35); animation: tdtc-ripple 1.8s infinite; z-index: -1;
}
@keyframes tdtc-ripple { to { transform: scale(1.65); opacity: 0; } }

/* ---- Orbital background blobs ---- */
.tdtc-orbital-bg {
  position: absolute; pointer-events: none; opacity: .45;
  width: 260px; height: 260px; border-radius: 50%;
  border: 1px solid rgba(27,169,203,.14);
  box-shadow: 0 0 0 36px rgba(27,169,203,.035), 0 0 0 72px rgba(176,141,79,.03);
}
.tdtc-orbital-bg.right { right: -110px; top: 40px; }
.tdtc-orbital-bg.left  { left:  -110px; bottom: 30px; }

/* ---- Flash alerts (shared across all pages) ---- */
.tdtc-alerts { padding: 12px 0 0; }

/* ====================================================
   Responsive
   ==================================================== */
@media (max-width: 980px) {
  .tdtc-hero-grid, .tdtc-newsletter-card { grid-template-columns: 1fr; }
  .tdtc-orbital-stage { min-height: 480px; }
  .tdtc-trust-box { grid-template-columns: repeat(2, 1fr); }
  .tdtc-badge-row { grid-column: 1 / -1; justify-content: center; }
  .tdtc-course-grid, .tdtc-features-grid, .tdtc-testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .tdtc-steps-wrap { grid-template-columns: 1fr; }
  .tdtc-steps-wrap::before { display: none; }
  .tdtc-partners-grid { grid-template-columns: repeat(3, 1fr); }
  .tdtc-footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .tdtc-topbar-inner { flex-direction: column; padding: 10px 0; text-align: center; }
  .tdtc-menu-btn { display: block; }
  .tdtc-nav {
    position: absolute; top: 78px; right: 16px; left: 16px;
    display: none; flex-direction: column; align-items: stretch;
    background: rgba(255,255,255,.96); border: 1px solid var(--line);
    border-radius: 20px; padding: 14px; box-shadow: var(--shadow);
  }
  .tdtc-nav.open { display: flex; }
  .tdtc-nav a { text-align: center; }
  .tdtc-nav-wrap { height: 72px; }
  .tdtc-logo img { width: 190px; }
  .tdtc-header .tdtc-cta { display: none; }
  .tdtc-hero { padding: 0; }
  .tdtc-hero-desktop { display: none; }
  .tdtc-hero-mobile  { display: block; }
  .tdtc-trust-box, .tdtc-course-grid, .tdtc-features-grid,
  .tdtc-testimonial-grid, .tdtc-partners-grid, .tdtc-footer-grid { grid-template-columns: 1fr; }
  .tdtc-payment-box, .tdtc-nelc-box { grid-template-columns: 1fr; text-align: center; }
  .tdtc-payment-title, .tdtc-payment-methods, .tdtc-payment-note,
  .tdtc-nelc-content, .tdtc-nelc-badge-frame { justify-content: center; justify-self: center; }
  .tdtc-big-stat { border-right: 0; border-top: 1px solid var(--line); padding-top: 14px; }
  .tdtc-newsletter { padding: 30px 0 64px; }
  .tdtc-newsletter-card { padding: 30px 22px; border-radius: 24px; }
  .tdtc-email-box { flex-direction: column; }
  .tdtc-email-box button { min-height: 48px; }
  .tdtc-copyright { flex-direction: column; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* =========================================================
   Inner Pages
   ========================================================= */

/* ---- Page Hero / Breadcrumb ---- */
.tdtc-page-hero {
  background: linear-gradient(135deg, var(--navy), #12243D);
  color: #fff; padding: 44px 0; position: relative; overflow: hidden;
}
.tdtc-page-hero::before {
  content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.10); right: -80px; top: -120px;
  box-shadow: 0 0 0 50px rgba(255,255,255,.03), 0 0 0 100px rgba(27,169,203,.04);
}
.tdtc-page-hero-inner { position: relative; }
.tdtc-page-hero h1 { margin: 6px 0 0; font-size: clamp(26px, 4vw, 40px); font-family: var(--heading); }

/* ---- Page Content Area ---- */
.tdtc-page-content { padding: 48px 0 80px; }

/* ---- Auth / Form Cards ---- */
.tdtc-auth-wrap { max-width: 540px; margin: 0 auto; }
.tdtc-auth-card {
  background: #fff; border: 1px solid var(--line); border-radius: 28px;
  padding: 36px 40px; box-shadow: var(--shadow-soft);
}
.tdtc-auth-card-wide { max-width: 780px; margin: 0 auto;
  background: #fff; border: 1px solid var(--line); border-radius: 28px;
  padding: 36px 40px; box-shadow: var(--shadow-soft);
}
.tdtc-auth-card h2, .tdtc-auth-card-wide h2 { color: var(--navy); margin: 0 0 5px; font-size: 24px; }
.tdtc-auth-card .sub, .tdtc-auth-card-wide .sub { color: var(--muted); font-size: 14px; margin: 0 0 26px; }
.tdtc-auth-links { margin-top: 22px; display: flex; flex-direction: column; gap: 9px; }
.tdtc-auth-links a { color: var(--cyan); font-weight: 700; font-size: 14px; }
.tdtc-auth-links a:hover { text-decoration: underline; }

/* ---- Form Elements ---- */
.tdtc-form-group { margin-bottom: 18px; }
.tdtc-label { display: block; font-weight: 800; color: var(--navy); margin-bottom: 7px; font-size: 14px; }
.tdtc-label .req { color: #E84B4B; margin-inline-start: 3px; }
.tdtc-input {
  width: 100%; border: 1.5px solid var(--line); border-radius: 14px;
  padding: 13px 16px; font: inherit; color: var(--text); background: #fff;
  transition: .2s ease; outline: none; display: block;
}
.tdtc-input:focus { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(27,169,203,.12); }
.tdtc-input::placeholder { color: #A0AABB; }
.tdtc-select {
  width: 100%; border: 1.5px solid var(--line); border-radius: 14px;
  padding: 13px 16px; font: inherit; color: var(--text); background: #fff;
  transition: .2s ease; outline: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: 10px center;
}
.tdtc-select:focus { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(27,169,203,.12); }
.tdtc-textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: 14px;
  padding: 13px 16px; font: inherit; color: var(--text); background: #fff;
  transition: .2s ease; outline: none; resize: vertical; min-height: 110px; display: block;
}
.tdtc-textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(27,169,203,.12); }
.tdtc-error { color: #E84B4B; font-size: 12px; font-weight: 700; margin-top: 5px; display: block; }
.tdtc-btn-full { width: 100%; }
.tdtc-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tdtc-radio-group { display: flex; gap: 18px; flex-wrap: wrap; }
.tdtc-radio-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 700; color: var(--text); }
.tdtc-radio-label input[type="radio"] { accent-color: var(--cyan); width: 16px; height: 16px; }
.tdtc-checkbox-label { display: flex; align-items: center; gap: 10px; cursor: pointer; font-weight: 700; color: var(--text); font-size: 14px; }
.tdtc-checkbox-label input[type="checkbox"] { accent-color: var(--cyan); width: 16px; height: 16px; flex: 0 0 16px; }
.tdtc-checkbox-label a { color: var(--cyan); }
.tdtc-status-success {
  background: rgba(90,159,92,.12); border: 1px solid rgba(90,159,92,.25);
  color: #356336; border-radius: 14px; padding: 13px 16px; margin-bottom: 18px;
  font-weight: 700; font-size: 14px;
}

/* ---- Filter Buttons (courses / search) ---- */
.tdtc-filter-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.tdtc-filter-btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--line); background: #fff; color: #41506A;
  border-radius: 999px; padding: 11px 18px;
  font-weight: 900; font-size: 14px; cursor: pointer; transition: .2s ease;
  text-decoration: none;
}
.tdtc-filter-btn:hover { border-color: var(--cyan); color: var(--cyan); background: #EEF7FA; }
.tdtc-filter-btn.active     { background: var(--navy); color: #fff; border-color: var(--navy); box-shadow: 0 10px 26px rgba(14,26,43,.18); }
.tdtc-filter-btn.active-green { background: var(--green); color: #fff; border-color: var(--green); box-shadow: 0 10px 26px rgba(90,159,92,.22); }
.tdtc-filter-btn.active-red   { background: #E84B4B; color: #fff; border-color: #E84B4B; box-shadow: 0 10px 26px rgba(232,75,75,.22); }

/* ---- Courses Listing Layout ---- */
.tdtc-listing-layout { display: grid; grid-template-columns: 250px 1fr; gap: 28px; align-items: start; }
.tdtc-sidebar-links {
  background: #fff; border: 1px solid var(--line); border-radius: 22px;
  overflow: hidden; box-shadow: var(--shadow-soft); position: sticky; top: 95px;
}
.tdtc-sidebar-links h3 {
  padding: 14px 18px; margin: 0; font-size: 14px; color: var(--muted); font-weight: 900;
  border-bottom: 1px solid var(--line); text-transform: uppercase; letter-spacing: .06em;
}
.tdtc-sidebar-links a {
  display: block; padding: 12px 18px; color: #3E4F65; font-weight: 700; font-size: 14px;
  border-bottom: 1px solid var(--line); transition: .2s ease;
}
.tdtc-sidebar-links a:last-child { border-bottom: 0; }
.tdtc-sidebar-links a:hover { background: #F5F8FC; color: var(--cyan); padding-right: 24px; }

/* ---- Course Detail Layout ---- */
.tdtc-detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
.tdtc-detail-main > h2 { color: var(--navy); margin: 0 0 18px; font-size: 28px; }
.tdtc-detail-card {
  background: #fff; border: 1px solid var(--line); border-radius: 22px;
  overflow: hidden; box-shadow: var(--shadow-soft); margin-bottom: 22px;
}
.tdtc-detail-card-header {
  background: var(--navy); color: #fff; padding: 15px 20px; font-weight: 900; font-size: 15px;
}
.tdtc-detail-card-body { padding: 20px; }
.tdtc-detail-image {
  width: 100%; height: 280px; object-fit: cover; object-position: center;
  border-radius: 18px; margin-bottom: 22px; display: block;
}

/* ---- Accordion (course sections) ---- */
.tdtc-accordion { display: flex; flex-direction: column; gap: 8px; }
.tdtc-acc-item {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  overflow: hidden; box-shadow: var(--shadow-soft);
}
.tdtc-acc-toggle {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 15px 20px; border: 0; background: transparent; cursor: pointer;
  color: var(--navy); font-weight: 900; font-size: 15px; font: inherit;
  text-align: right; transition: .2s ease;
}
.tdtc-acc-toggle:hover { background: #F5F8FC; }
.tdtc-acc-arrow {
  width: 28px; height: 28px; border-radius: 50%; background: #EEF3F7;
  display: grid; place-items: center; flex: 0 0 28px; transition: .2s ease; font-size: 12px;
}
.tdtc-acc-body { border-top: 1px solid var(--line); display: none; }
.tdtc-acc-body.open { display: block; }
.tdtc-acc-lesson {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; font-size: 14px; color: #41506A;
  border-bottom: 1px solid var(--line); transition: .2s ease;
}
.tdtc-acc-lesson:last-child { border-bottom: 0; }
.tdtc-acc-lesson:hover { background: #F8FAFB; color: var(--navy); }
.tdtc-acc-lesson .lesson-icon {
  width: 30px; height: 30px; border-radius: 50%; background: rgba(27,169,203,.12);
  color: var(--cyan); display: grid; place-items: center; flex: 0 0 30px; font-size: 13px;
}

/* ---- Course Info List ---- */
.tdtc-info-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.tdtc-info-list li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: #41506A; }
.tdtc-info-list .info-icon {
  width: 32px; height: 32px; border-radius: 50%; background: #EEF3F7;
  display: grid; place-items: center; flex: 0 0 32px; color: var(--navy); font-size: 15px;
}

/* ---- Course Buy Card (sidebar) ---- */
.tdtc-buy-card {
  background: #fff; border: 1px solid var(--line); border-radius: 22px;
  padding: 1rem 1.5rem;
  overflow: hidden; box-shadow: var(--shadow-soft); position: sticky; top: 95px;
}
.tdtc-buy-price {
  padding: 22px 20px; border-bottom: 1px solid var(--line); text-align: center;
}
.tdtc-buy-price .price-main {
  font-family: var(--numbers); font-size: 38px; color: var(--navy); font-weight: 900; direction: ltr; display: block;
}
.tdtc-buy-price .price-old {
  font-family: var(--numbers); font-size: 16px; color: #9AA4B2;
  text-decoration: line-through; direction: ltr; margin-inline-start: 8px;
}
.tdtc-buy-price .free-badge {
  background: rgba(90,159,92,.14); color: #356336; padding: 10px 22px;
  border-radius: 999px; font-size: 22px; font-weight: 900; display: inline-block;
}
.tdtc-buy-actions { padding: 16px 20px; display: flex; flex-direction: column; gap: 10px; }
.tdtc-buy-info { padding: 0 20px 18px; }

/* ---- Teacher Card ---- */
.tdtc-teacher-card {
  background: #fff; border: 1px solid var(--line); border-radius: 22px;
  padding: 28px; box-shadow: var(--shadow-soft); text-align: center; margin-top: 22px;
}
.tdtc-teacher-avatar {
  width: 82px; height: 82px; border-radius: 50%; object-fit: cover;
  margin: 0 auto 14px; display: block; border: 3px solid var(--line);
}
.tdtc-teacher-card h3 { color: var(--navy); margin: 0 0 4px; font-size: 20px; }
.tdtc-teacher-card .t-title { color: var(--cyan); font-weight: 700; margin: 0 0 14px; font-size: 14px; }
.tdtc-teacher-card p { color: var(--muted); line-height: 1.9; margin: 0; }

/* ---- Data Table ---- */
.tdtc-table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--line); }
.tdtc-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.tdtc-table th {
  background: #EEF3F7; color: var(--navy); font-weight: 900; padding: 13px 16px;
  text-align: right; border-bottom: 2px solid var(--line);
}
.tdtc-table td { padding: 12px 16px; border-bottom: 1px solid var(--line); color: #41506A; }
.tdtc-table tr:last-child td { border-bottom: 0; }
.tdtc-table tr:hover td { background: #F8FAFB; }

/* ---- Prose content (viewPage) ---- */
.tdtc-prose { line-height: 1.9; color: var(--text); }
.tdtc-prose h1, .tdtc-prose h2, .tdtc-prose h3 { color: var(--navy); }
.tdtc-prose img { border-radius: 16px; max-width: 100%; height: auto; }
.tdtc-prose a { color: var(--cyan); }

/* ---- Inner page responsive ---- */
@media (max-width: 980px) {
  .tdtc-detail-layout { grid-template-columns: 1fr; }
  .tdtc-buy-card { position: static; }
  .tdtc-listing-layout { grid-template-columns: 1fr; }
  .tdtc-sidebar-links { position: static; }
  .tdtc-auth-card, .tdtc-auth-card-wide { padding: 28px 24px; }
  .tdtc-form-row { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 760px) {
  .tdtc-page-hero { padding: 32px 0; }
  .tdtc-page-content { padding: 32px 0 60px; }
  .tdtc-auth-card, .tdtc-auth-card-wide { padding: 24px 18px; border-radius: 20px; }
  .tdtc-course-grid { grid-template-columns: 1fr; }
}