/*
  The Market Masters (TMM)
  Author: Saifur Rahman Yusuf
  Email: clevercodes.yusuf@gmail.com
  Tech: Bootstrap 5 + Vanilla CSS

  Design goals (revamped):
  - Sleek, premium agency minimalism
  - Elegant headings (Fraunces) + clean body (Inter)
  - Consistent rhythm/spacing across pages
  - Glass nav + soft gradient backgrounds
  - Subtle motion + strong accessibility
*/

/* ---------------------------
   DESIGN TOKENS
---------------------------- */
:root {
  /* Brand */
  --tmm-primary: #4664E8;         /* blue */
  --tmm-sky: #38BDF8;             /* skyblue accent */
  --tmm-ink: #2C1B66;             /* deep indigo */
  --tmm-text: #0f172a;            /* slate-900 */
  --tmm-muted: #475569;           /* slate-600 */
  --tmm-border: rgba(15, 23, 42, 0.08);

  /* Surfaces */
  --tmm-bg: #ffffff;
  --tmm-soft: #f8f9ff;

  /* Radius & shadow */
  --tmm-radius: 20px;
  --shadow-sm: 0 10px 28px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 22px 60px rgba(15, 23, 42, 0.10);
  --shadow-premium: 0 30px 90px rgba(70, 100, 232, 0.12);

  /* Typography - Fluid scaling using clamp */
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Fraunces", ui-serif, Georgia, serif;
  
  --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --fs-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --fs-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --fs-display: clamp(2.5rem, 2rem + 3vw, 4.5rem);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --trans-normal: 0.4s var(--ease-out);
  --trans-fast: 0.2s var(--ease-out);

  /* Layout rhythm */
  --container-max: 1200px;
  --section-pad: clamp(4rem, 8vw, 7rem);
  --section-pad-tight: clamp(3rem, 5vw, 4.5rem);
}

/* ---------------------------
   BASE
---------------------------- */
html { 
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--tmm-text);
  background: var(--tmm-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; }

a { 
  color: inherit; 
  text-decoration: none; 
  transition: color var(--trans-fast);
}
a:hover { color: var(--tmm-primary); }

.text-muted-2 { color: var(--tmm-muted) !important; }

:focus-visible {
  outline: 2px solid var(--tmm-primary);
  outline-offset: 4px;
}

#heroRotateWord {
  display: inline-block;
  transition: opacity .35s var(--ease-out), transform .35s var(--ease-out);
}
#heroRotateWord.is-changing {
  opacity: 0;
  transform: translateY(10px);
}

/* Better default paragraph rhythm */
p { 
  line-height: 1.8; 
  margin-bottom: 1.5rem;
}

/* ---------------------------
   TYPOGRAPHY (elegant headings)
---------------------------- */
h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  line-height: 1.15;
  font-weight: 700;
}

.display-5 {
  font-size: var(--fs-display);
  line-height: 1.05;
}

.smallcaps {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--tmm-primary);
  opacity: 0.8;
  margin-bottom: 1rem;
  display: block;
}

/* ---------------------------
   LAYOUT HELPERS
---------------------------- */
.section {
  padding: var(--section-pad) 0;
}

.section--tight {
  padding: var(--section-pad-tight) 0;
}

/* ---------------------------
   NAVBAR (glass)
---------------------------- */
.navbar {
  transition: padding var(--trans-normal), background var(--trans-normal);
}

.navbar.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--tmm-border);
}

.navbar-brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 12px;
  transition: transform var(--trans-fast);
}
.navbar-brand:hover img { transform: scale(1.05); }

.nav-link {
  color: var(--tmm-text);
  font-weight: 600;
  font-size: 0.95rem;
  opacity: 0.7;
  padding: 0.5rem 1rem !important;
  transition: opacity var(--trans-fast);
}

.nav-link:hover, .nav-link.active { 
  opacity: 1; 
  color: var(--tmm-primary);
}

.navbar .nav-link.active {
  position: relative;
}

.navbar .nav-link.active::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0;
  height: 2px;
  background: var(--tmm-primary);
  border-radius: 999px;
}

/* ---------------------------
   BUTTONS (pill, premium)
---------------------------- */
.btn {
  border-radius: 999px;
  padding: 1rem 2rem;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast), filter var(--trans-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-sm {
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--tmm-primary), var(--tmm-ink));
  border: none;
  color: #fff !important;
  box-shadow: 0 8px 20px rgba(70, 100, 232, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(70, 100, 232, 0.3);
  filter: brightness(1.1);
}

.btn-outline-primary {
  border: 1px solid rgba(70, 100, 232, 0.2);
  color: var(--tmm-ink);
  background: transparent;
}

.btn-outline-primary:hover {
  background: rgba(70, 100, 232, 0.05);
  border-color: var(--tmm-primary);
  transform: translateY(-2px);
}

/* Optional: a classy outline secondary for nav/footer chips */
.btn-outline-soft{
  border: 1px solid var(--tmm-border);
  background: rgba(255,255,255,.6);
}
.btn-outline-soft:hover{
  border-color: rgba(70, 100, 232, .35);
  background: rgba(70, 100, 232, .06);
}

/* ---------------------------
   CARDS (consistent + elegant)
---------------------------- */
.card {
  border: 1px solid var(--tmm-border);
  border-radius: var(--tmm-radius);
  box-shadow: var(--shadow-sm);
  background: #fff;
  transition: transform var(--trans-normal), box-shadow var(--trans-normal), border-color var(--trans-normal);
  overflow: hidden;
}

.card.card--lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(70, 100, 232, 0.2);
}

/* Icon chip used in contact cards */
.icon-chip {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(70, 100, 232, 0.1));
  border: 1px solid rgba(70, 100, 232, 0.15);
  color: var(--tmm-primary);
  font-size: 1.5rem;
  transition: transform var(--trans-fast), background var(--trans-fast);
}

.card--lift:hover .icon-chip {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(70, 100, 232, 0.2));
}

/* ---------------------------
   HERO (Home) + PAGE HERO (inner pages)
---------------------------- */
.hero {
  position: relative;
  padding: clamp(8rem, 15vh, 12rem) 0 clamp(5rem, 10vh, 8rem);
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.15), transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(70, 100, 232, 0.12), transparent 40%),
    linear-gradient(180deg, #fff, var(--tmm-soft));
}

.page-hero {
  padding: clamp(7rem, 12vh, 10rem) 0 clamp(4rem, 8vh, 6rem);
  background:
    radial-gradient(circle at 20% 10%, rgba(56, 189, 248, 0.12), transparent 40%),
    radial-gradient(circle at 85% 0%, rgba(70, 100, 232, 0.1), transparent 40%),
    linear-gradient(180deg, #fff, var(--tmm-soft));
  border-bottom: 1px solid var(--tmm-border);
}

/* ---------------------------
   TAGS / BADGES / LISTS
---------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--tmm-border);
  color: var(--tmm-primary);
  background: #fff;
  margin-bottom: 1.25rem;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}
.checklist li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.65rem 0;
  font-weight: 500;
}
.checklist i {
  color: var(--tmm-primary);
  font-size: 1.1rem;
}

/* ---------------------------
   SOCIAL ICON BUTTONS (footer/contact)
---------------------------- */
.social a {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--tmm-border);
  color: var(--tmm-muted);
  background: #fff;
  transition: all var(--trans-fast);
}

.social a:hover {
  border-color: var(--tmm-primary);
  background: var(--tmm-primary);
  color: #fff;
  transform: translateY(-4px) rotate(5deg);
  box-shadow: 0 8px 20px rgba(70, 100, 232, 0.2);
}

/* ---------------------------
   FOOTER
---------------------------- */
footer {
  border-top: 1px solid var(--tmm-border);
  background: #fff;
  padding: 6rem 0 3rem;
}

.hr-soft {
  border: none;
  height: 1px;
  background: var(--tmm-border);
  margin: 3rem 0;
}

/* ---------------------------
   REVEAL ANIMATION
---------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------
   BACK TO TOP
---------------------------- */
#backToTop {
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  border: none;
  background: var(--tmm-primary);
  color: #fff;
  transition: all var(--trans-fast);
}
#backToTop:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-premium);
  filter: brightness(1.1);
}

/* ---------------------------
   UTILITIES
---------------------------- */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

@media (max-width: 991.98px) {
  :root {
    --section-pad: 4rem;
  }
  .navbar-collapse {
    background: #fff;
    padding: 1.5rem;
    border-radius: var(--tmm-radius);
    margin-top: 1rem;
    box-shadow: var(--shadow-md);
  }
}