/* ============================================================
   components.css — Shared component styles (Sunadh Technologies)
   ============================================================ */

/* ----- 1. Reset & Base ----- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  padding-bottom: 84px;
}

img {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ----- 2. Container ----- */

.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ----- 3. Buttons ----- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  padding: 12px 22px;
  min-height: 48px;
  border-radius: var(--radius-md);
  border: 0;
  cursor: pointer;
  transition:
    transform var(--dur-base) var(--ease-standard),
    box-shadow var(--dur-base) var(--ease-standard),
    background var(--dur-base) var(--ease-standard),
    color var(--dur-base) var(--ease-standard);
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-cta);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(255, 107, 26, 0.42);
  color: #fff;
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.45);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: rgba(255, 107, 26, 0.08);
  color: var(--color-primary);
}

.btn-sm {
  font-size: 14px;
  padding: 10px 16px;
  min-height: 44px;
}

.btn-on-gradient {
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-on-gradient:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  color: var(--color-primary);
}

/* ----- 4. Eyebrow ----- */

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-block;
  margin-bottom: 12px;
}

/* ----- 5. Section Padding ----- */

section {
  padding: 64px 0;
}

@media (min-width: 1024px) {
  section {
    padding: 88px 0;
  }
}

/* ----- 6. Section Header ----- */

.section-header {
  margin-bottom: 36px;
  max-width: 720px;
}

.section-header h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-dark);
}

.section-header .sub {
  color: var(--fg2);
  font-size: 17px;
  line-height: 1.6;
  margin: 0;
}

.section-header.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ----- 7. Navbar ----- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: transparent;
  transition:
    background var(--dur-base) var(--ease-standard),
    box-shadow var(--dur-base) var(--ease-standard),
    backdrop-filter var(--dur-base) var(--ease-standard),
    padding var(--dur-base) var(--ease-standard);
  --nav-blur: 18;
  --nav-saturation: 180%;
  --nav-tint: 14;
  --nav-curve: 28;
  --nav-inset: 14;
  --nav-top: 14;
  --nav-glow: 1;
}

.nav.scrolled {
  background: rgba(10, 27, 46, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* ── Liquid glass mode ── */
.nav.glass {
  background: transparent !important;
  backdrop-filter: none !important;
  box-shadow: none !important;
  padding: calc(var(--nav-top) * 1px) calc(var(--nav-inset) * 1px) 0;
  pointer-events: none;
}
.nav.glass .nav-inner {
  pointer-events: auto;
  position: relative;
  border-radius: calc(var(--nav-curve) * 1px);
  padding: 10px 16px 10px 20px;
  min-height: 64px;
  background: hsla(0, 0%, 100%, calc(var(--nav-tint) * 0.01));
  backdrop-filter: blur(calc(var(--nav-blur) * 1px)) saturate(var(--nav-saturation));
  -webkit-backdrop-filter: blur(calc(var(--nav-blur) * 1px)) saturate(var(--nav-saturation));
  border: 1px solid hsla(0, 0%, 100%, 0.18);
  box-shadow:
    0 1px 0 hsla(0, 0%, 100%, 0.35) inset,
    0 -1px 0 hsla(0, 0%, 100%, 0.06) inset,
    0 12px 32px rgba(10,27,46,0.28),
    0 2px 6px rgba(10,27,46,0.18);
  overflow: hidden;
  isolation: isolate;
}
.nav.glass .nav-inner::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, hsla(0,0%,100%,0.22) 0%, hsla(0,0%,100%,0.02) 38%, transparent 60%),
    radial-gradient(120% 80% at 0% 0%, hsla(0,0%,100%,0.18), transparent 50%);
  pointer-events: none;
  border-radius: inherit;
  z-index: 0;
}
.nav.glass .nav-inner::after {
  content: "";
  position: absolute; inset: -40% -10% auto auto; width: 60%; height: 220%;
  background: radial-gradient(closest-side, rgba(255,107,26,0.45), transparent 70%);
  filter: blur(30px);
  opacity: calc(var(--nav-glow) * 0.65);
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--dur-base);
}
.nav.glass .nav-inner > * { position: relative; z-index: 1; }
.nav.glass.scrolled .nav-inner {
  background: hsla(214, 50%, 12%, calc(0.55 + var(--nav-tint) * 0.005));
  border-color: hsla(0, 0%, 100%, 0.14);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  min-height: 72px;
  transition: background var(--dur-base) var(--ease-standard),
              border-radius var(--dur-base) var(--ease-standard),
              padding var(--dur-base) var(--ease-standard);
}

.nav-logo {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.14);
}
.nav-logo img,
.nav-logo-img {
  height: 52px;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: rgba(250, 250, 247, 0.85);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 4px;
  position: relative;
  transition: color 150ms;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-secondary);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 3px;
  border-radius: 9999px;
  background: var(--gradient-brand);
}

.nav-cta {
  font-size: 14px;
  padding: 10px 18px;
  min-height: 44px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 24px;
  padding: 8px;
}

.mobile-menu {
  display: none;
  background: var(--color-charcoal);
  padding: 12px var(--container-pad) 16px;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu a {
  color: #fff;
  padding: 12px 0;
  font-size: 15px;
  border-bottom: 1px solid var(--color-border-dark);
}

.mobile-menu a.active {
  color: var(--color-secondary);
}

.mobile-menu.open {
  display: flex;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }
}

/* ----- 8. Footer ----- */

footer {
  background: var(--color-dark);
  color: rgba(250, 250, 247, 0.75);
  padding: 64px 0 0;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

@media (max-width: 900px) {
  .foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 540px) {
  .foot-grid {
    grid-template-columns: 1fr;
  }
}

.foot-logo img {
  height: 48px;
  margin-bottom: 16px;
}

.foot-about {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(250, 250, 247, 0.7);
  max-width: 280px;
  margin-bottom: 16px;
}

.foot-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #25D366;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 9999px;
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid rgba(37, 211, 102, 0.32);
}

.foot-wa img {
  width: 18px;
  height: 18px;
}

.foot-col h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: #fff;
  font-size: 14px;
  margin: 0 0 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.foot-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.foot-col a {
  color: rgba(250, 250, 247, 0.7);
  font-size: 14px;
}

.foot-col a:hover {
  color: var(--color-secondary);
}

.foot-contact-line {
  font-size: 14px;
  color: rgba(250, 250, 247, 0.7);
}

.foot-contact-line a {
  color: inherit;
}

.foot-contact-line a:hover {
  color: var(--color-secondary);
}

.foot-social {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.foot-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(250, 250, 247, 0.8);
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-display);
}

.foot-social a:hover {
  background: var(--gradient-brand);
  color: #fff;
}

.foot-bottom {
  border-top: 1px solid var(--color-border-dark);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(250, 250, 247, 0.55);
}

.foot-bottom a {
  color: inherit;
}

.foot-bottom a:hover {
  color: var(--color-secondary);
}

/* ----- 9. WhatsApp Float ----- */

.wa-float {
  position: fixed;
  right: 20px;
  bottom: 84px;
  z-index: 60;
  width: 56px;
  height: 56px;
  border-radius: 9999px;
  background: #25D366;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-base);
}

.wa-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  animation: wa-pulse 2.4s var(--ease-standard) infinite;
}

.wa-float:hover {
  transform: translateY(-2px);
}

.wa-float img {
  width: 30px;
  height: 30px;
  position: relative;
  z-index: 1;
}

@keyframes wa-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* ----- 10. Reduced Motion ----- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}