/* ==========================================================================
   Smart Door Automation — Homepage stylesheet
   Brand palette is derived from the company logo:
     deep navy #222D62 · royal blue #2859A7 · brand blue #387DC0
     sky blue #45A2D7 · cyan accent #4FC1E9
   All custom CSS lives in this file — no inline styles in the markup.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand */
  --sd-navy:        #222D62;
  --sd-navy-deep:   #151E45;
  --sd-navy-soft:   #2E3B77;
  --sd-blue:        #2859A7;
  --sd-brand:       #387DC0;
  --sd-sky:         #45A2D7;
  --sd-cyan:        #4FC1E9;

  /* Neutrals */
  --sd-ink:         #1B2450;
  --sd-body:        #5B6584;
  --sd-muted:       #8A93AC;
  --sd-line:        #E4E9F3;
  --sd-soft:        #F5F8FD;
  --sd-white:       #FFFFFF;

  /* Gradients */
  --sd-grad-brand:  linear-gradient(135deg, #222D62 0%, #2859A7 55%, #387DC0 100%);
  --sd-grad-blue:   linear-gradient(135deg, #2859A7 0%, #387DC0 50%, #45A2D7 100%);
  --sd-grad-cyan:   linear-gradient(135deg, #387DC0 0%, #4FC1E9 100%);
  --sd-grad-navy:   linear-gradient(140deg, #151E45 0%, #222D62 45%, #2E3B77 100%);

  /* Type */
  --sd-font-head:  'Outfit', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --sd-font-body:  'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Shape & depth */
  --sd-radius:     16px;
  --sd-radius-sm:  10px;
  --sd-radius-lg:  24px;
  --sd-shadow-sm:  0 6px 18px rgba(34, 45, 98, .07);
  --sd-shadow:     0 18px 44px rgba(34, 45, 98, .10);
  --sd-shadow-lg:  0 30px 70px rgba(21, 30, 69, .18);

  /* Floating action buttons (bottom-right corner) */
  --sd-float-right:  22px;
  --sd-float-bottom: 22px;

  /* Motion */
  --sd-ease:  cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sd-font-body);
  color: var(--sd-body);
  font-size: 1rem;
  line-height: 1.75;
  background-color: var(--sd-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* AOS slides content in from the side, which would otherwise widen the
   page. `clip` contains the overflow without turning <main> into a
   scroll container (which `hidden` would, breaking window scrolling). */
main {
  overflow-x: clip;
}

h1, h2, h3, h4, h5, h6,
.sd-heading, .sd-section__title {
  font-family: var(--sd-font-head);
  color: var(--sd-ink);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.015em;
}

p { margin-bottom: 1rem; }

a {
  color: var(--sd-blue);
  text-decoration: none;
  transition: color .25s var(--sd-ease);
}
a:hover { color: var(--sd-navy); }

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

::selection {
  background: var(--sd-navy);
  color: #fff;
}

:focus-visible {
  outline: 3px solid var(--sd-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   3. Shared building blocks
   -------------------------------------------------------------------------- */
.sd-section {
  padding: 104px 0;
  position: relative;
}

.sd-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sd-font-head);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sd-blue);
  margin-bottom: 16px;
}
.sd-label::before {
  content: "";
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--sd-grad-cyan);
}
.sd-label--light { color: var(--sd-cyan); }
.sd-label--light::before { background: var(--sd-cyan); }

.sd-heading {
  font-size: clamp(1.75rem, 1.1rem + 2.1vw, 2.7rem);
  margin-bottom: 18px;
  font-weight: 700;
}

.sd-lead {
  font-size: 1.06rem;
  color: var(--sd-ink);
  font-weight: 500;
  line-height: 1.7;
}

.sd-text { color: var(--sd-body); }

.sd-section__head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.sd-section__head .sd-label { justify-content: center; }
.sd-section__text {
  font-size: 1.04rem;
  margin: 0;
  color: var(--sd-body);
}
.sd-section__head--center { text-align: center; }

.sd-section__head--split {
  max-width: none;
  text-align: left;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}
.sd-section__head--split > div { max-width: 660px; }
.sd-section__head--split .sd-label { justify-content: flex-start; }

.sd-section__foot {
  text-align: center;
  margin-top: 48px;
}

.sd-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  background: rgba(79, 193, 233, .14);
  border: 1px solid rgba(79, 193, 233, .34);
  color: #BEE9FA;
  font-family: var(--sd-font-head);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.sd-chip--cyan {
  background: var(--sd-cyan);
  border-color: var(--sd-cyan);
  color: var(--sd-navy-deep);
}

/* Buttons ---------------------------------------------------------------- */
.sd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-family: var(--sd-font-head);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.2;
  transition: transform .3s var(--sd-ease), box-shadow .3s var(--sd-ease),
              background-color .3s var(--sd-ease), color .3s var(--sd-ease),
              border-color .3s var(--sd-ease), box-shadow .3s var(--sd-ease);
  cursor: pointer;
  white-space: nowrap;
}
.sd-btn:hover { transform: translateY(-2px); }
.sd-btn:active { transform: translateY(0); }
.sd-btn i { transition: transform .3s var(--sd-ease); }
.sd-btn:hover i.bi-arrow-right { transform: translateX(4px); }
.sd-btn--lg { padding: 15px 32px; font-size: 1rem; }
.sd-btn--block { width: 100%; }

.btn-sd-primary {
  background: var(--sd-grad-brand);
  color: #fff;
  box-shadow: 0 12px 26px rgba(40, 89, 167, .28);
}
.btn-sd-primary:hover {
  color: #fff;
  box-shadow: 0 18px 36px rgba(40, 89, 167, .38);
}
.btn-sd-primary:hover i { transform: translateX(4px); }

.btn-sd-cyan {
  background: var(--sd-grad-cyan);
  color: var(--sd-navy-deep);
  box-shadow: 0 12px 26px rgba(79, 193, 233, .32);
}
.btn-sd-cyan:hover {
  color: var(--sd-navy-deep);
  box-shadow: 0 18px 36px rgba(79, 193, 233, .45);
}

.btn-sd-outline {
  background: transparent;
  border-color: var(--sd-line);
  color: var(--sd-ink);
}
.btn-sd-outline:hover {
  border-color: var(--sd-blue);
  color: var(--sd-blue);
  background: rgba(40, 89, 167, .05);
  box-shadow: var(--sd-shadow-sm);
}

.btn-sd-ghost {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .42);
  color: #fff;
  backdrop-filter: blur(6px);
}
.btn-sd-ghost:hover {
  background: rgba(255, 255, 255, .18);
  border-color: #fff;
  color: #fff;
}

/* --------------------------------------------------------------------------
   4. Header / navigation
   -------------------------------------------------------------------------- */
.sd-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .35s var(--sd-ease), border-color .35s var(--sd-ease),
              background-color .35s var(--sd-ease);
}
.sd-header.is-stuck {
  box-shadow: 0 10px 34px rgba(21, 30, 69, .10);
  border-bottom-color: var(--sd-line);
}
.sd-header .navbar { padding: 14px 0; }
.sd-header.is-stuck .navbar { padding: 8px 0; }

.sd-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 !important;
  margin-right: 18px;
}
.sd-brand__mark {
  height: 38px;
  width: auto;
  transition: transform .4s var(--sd-ease);
}
.sd-brand:hover .sd-brand__mark { transform: scale(1.05); }
.sd-brand__stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}
.sd-brand__word { height: 19px; width: auto; }
.sd-brand__tag {
  font-family: var(--sd-font-head);
  font-size: .63rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sd-sky);
  white-space: nowrap;
  line-height: 1;
}

.sd-nav .nav-link {
  font-family: var(--sd-font-head);
  font-size: .95rem;
  font-weight: 500;
  color: var(--sd-ink);
  padding: 10px 16px !important;
  position: relative;
  transition: color .25s var(--sd-ease);
}
.sd-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--sd-grad-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .32s var(--sd-ease);
}
.sd-nav .nav-link:hover { color: var(--sd-blue); }
.sd-nav .nav-link:hover::after,
.sd-nav .nav-link.active::after { transform: scaleX(1); }
.sd-nav .nav-link.active { color: var(--sd-blue); font-weight: 600; }
.sd-nav__cta { margin-left: 10px; }
.sd-nav__cta .sd-btn { padding: 11px 22px; }

.sd-navtoggle {
  border: 1px solid var(--sd-line);
  border-radius: 10px;
  padding: 13px 11px;
  box-shadow: none !important;
}
.sd-navtoggle__box {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
}
.sd-navtoggle__box > span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--sd-navy);
  transition: transform .3s var(--sd-ease), opacity .25s var(--sd-ease);
}
/* Scoped to the bars only — the wrapper is itself a span child of the
   button, so a looser selector would rotate the whole box as well. */
.sd-navtoggle[aria-expanded="true"] .sd-navtoggle__box > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sd-navtoggle[aria-expanded="true"] .sd-navtoggle__box > span:nth-child(2) { opacity: 0; }
.sd-navtoggle[aria-expanded="true"] .sd-navtoggle__box > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.sd-hero {
  position: relative;
  background: var(--sd-navy-deep);
}
.sd-hero__carousel {
  position: relative;
  overflow: hidden;
}
.sd-products__carousel,
.sd-reviews__carousel { overflow: hidden; }
.sd-hero__slide {
  position: relative;
  min-height: 660px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.sd-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.sd-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(13, 20, 48, .93) 0%, rgba(21, 30, 69, .84) 38%, rgba(34, 45, 98, .48) 68%, rgba(34, 45, 98, .22) 100%),
    linear-gradient(0deg, rgba(13, 20, 48, .68) 0%, rgba(13, 20, 48, 0) 45%);
}
.sd-hero__content {
  position: relative;
  z-index: 2;
  padding: 68px 0 96px;
  max-width: 760px;
}
.sd-hero__title {
  font-size: clamp(2rem, 1.2rem + 2.9vw, 3.2rem);
  color: #fff;
  font-weight: 700;
  margin: 20px 0 22px;
  letter-spacing: -.02em;
  text-shadow: 0 2px 30px rgba(9, 14, 36, .35);
}
.sd-hero__accent {
  background: linear-gradient(100deg, #7FD8F5 0%, #4FC1E9 45%, #A9E4F8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--sd-cyan);
}
.sd-hero__text {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, .82);
  max-width: 580px;
  margin-bottom: 30px;
}
.sd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 6px;
}

/* Custom hero dots ------------------------------------------------------- */
.sd-hero__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 28px;
  z-index: 5;
  display: flex;
  justify-content: center;
  gap: 6px;
}
.sd-hero__dots button {
  width: 34px;
  height: 28px;
  padding: 12px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  transition: width .3s var(--sd-ease);
}
.sd-hero__dots button::after {
  content: "";
  display: block;
  height: 4px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .34);
  transition: background-color .3s var(--sd-ease);
}
.sd-hero__dots button.is-active { width: 54px; }
.sd-hero__dots button.is-active::after { background: var(--sd-cyan); }
.sd-hero__dots button:focus-visible { outline: 2px solid var(--sd-cyan); outline-offset: 2px; }

/* --------------------------------------------------------------------------
   7. Capability strip
   -------------------------------------------------------------------------- */
.sd-strip {
  background: var(--sd-white);
  border-bottom: 1px solid var(--sd-line);
  padding: 34px 0;
}
.sd-strip__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 22px;
  height: 100%;
  border-right: 1px solid var(--sd-line);
}
.sd-strip__row > div:last-child .sd-strip__item { border-right: 0; }
.sd-strip__item i {
  font-size: 1.5rem;
  color: var(--sd-brand);
  flex: 0 0 auto;
  transition: transform .35s var(--sd-ease), color .35s var(--sd-ease);
}
.sd-strip__item:hover i { transform: translateY(-3px); color: var(--sd-cyan); }
.sd-strip__item strong {
  display: block;
  font-family: var(--sd-font-head);
  color: var(--sd-ink);
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.3;
}
.sd-strip__item span { font-size: .84rem; color: var(--sd-muted); }

/* --------------------------------------------------------------------------
   8. About
   -------------------------------------------------------------------------- */
.sd-about { background: var(--sd-white); }
.sd-about__media { position: relative; }
.sd-about__img {
  width: 100%;
  border-radius: var(--sd-radius-lg);
  box-shadow: var(--sd-shadow-lg);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.sd-about__media::before {
  content: "";
  position: absolute;
  inset: auto -26px -26px auto;
  width: 62%;
  height: 58%;
  border-radius: var(--sd-radius-lg);
  background: var(--sd-grad-cyan);
  opacity: .18;
  z-index: -1;
}
.sd-about__badge {
  position: absolute;
  left: -18px;
  bottom: -24px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--sd-white);
  border-radius: 14px;
  padding: 16px 22px 16px 18px;
  box-shadow: var(--sd-shadow);
  border-left: 3px solid var(--sd-cyan);
  max-width: 320px;
}
.sd-about__badge-num {
  font-family: var(--sd-font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--sd-sky);
  line-height: 1;
}
.sd-about__badge-text {
  font-size: .86rem;
  line-height: 1.45;
  color: var(--sd-ink);
  font-weight: 500;
}

.sd-checklist {
  list-style: none;
  padding: 0;
  margin: 26px 0 30px;
  display: grid;
  gap: 16px;
}
.sd-checklist li { display: flex; gap: 13px; align-items: flex-start; }
.sd-checklist i {
  color: var(--sd-brand);
  font-size: 1.15rem;
  line-height: 1.5;
  flex: 0 0 auto;
  margin-top: 2px;
}
.sd-checklist strong {
  display: block;
  font-family: var(--sd-font-head);
  color: var(--sd-ink);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
}
.sd-checklist div { font-size: .93rem; color: var(--sd-body); line-height: 1.6; }

/* --------------------------------------------------------------------------
   9. Products
   -------------------------------------------------------------------------- */
.sd-products { background: var(--sd-soft); }
.sd-products__carousel { padding: 6px 4px 22px; }

.sd-card--product {
  background: var(--sd-white);
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .4s var(--sd-ease), box-shadow .4s var(--sd-ease),
              border-color .4s var(--sd-ease);
}
.sd-card--product:hover {
  transform: translateY(-8px);
  box-shadow: var(--sd-shadow);
  border-color: transparent;
}
.sd-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--sd-navy);
}
.sd-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--sd-ease);
  display: block;
}
.sd-card--product:hover .sd-card__img { transform: scale(1.09); }
.sd-tag {
  position: absolute;
  left: 16px;
  top: 16px;
  background: var(--sd-navy);
  color: #fff;
  font-family: var(--sd-font-head);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 100px;
  box-shadow: 0 6px 16px rgba(21, 30, 69, .35);
}
.sd-tag--cyan { background: var(--sd-cyan); color: var(--sd-navy-deep); }

.sd-card__body {
  padding: 24px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
}
.sd-card__title {
  font-size: 1.22rem;
  margin-bottom: 10px;
  font-weight: 700;
}
.sd-card__text {
  font-size: .93rem;
  color: var(--sd-body);
  margin-bottom: 16px;
  flex: 0 0 auto;
}
.sd-card__meta {
  list-style: none;
  padding: 0;
  margin: auto 0 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: .82rem;
  color: var(--sd-muted);
}
.sd-card__meta li { display: inline-flex; align-items: center; gap: 7px; }
.sd-card__meta i { color: var(--sd-sky); }
.sd-card__link {
  font-family: var(--sd-font-head);
  font-weight: 600;
  font-size: .92rem;
  color: var(--sd-blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 8px 0;
}
.sd-card__link i { transition: transform .3s var(--sd-ease); }
.sd-card__link:hover { color: var(--sd-navy); gap: 11px; }
.sd-card__link:hover i { transform: translateX(3px); }

/* --------------------------------------------------------------------------
   10. Why choose us
   -------------------------------------------------------------------------- */
.sd-why { background: var(--sd-white); }
.sd-hl {
  height: 100%;
  background: var(--sd-white);
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform .4s var(--sd-ease), box-shadow .4s var(--sd-ease),
              border-color .4s var(--sd-ease);
}
.sd-hl::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--sd-grad-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--sd-ease);
}
.sd-hl:hover {
  transform: translateY(-8px);
  box-shadow: var(--sd-shadow);
  border-color: transparent;
}
.sd-hl:hover::before { transform: scaleX(1); }
.sd-hl__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border-radius: 16px;
  background: var(--sd-grad-brand);
  color: #fff;
  font-size: 1.55rem;
  margin-bottom: 20px;
  box-shadow: 0 12px 24px rgba(40, 89, 167, .26);
  transition: transform .4s var(--sd-ease), border-radius .4s var(--sd-ease);
}
.sd-hl:hover .sd-hl__icon { transform: rotate(-6deg) scale(1.06); border-radius: 22px; }
.sd-hl__title {
  font-size: 1.18rem;
  margin-bottom: 10px;
  font-weight: 700;
}
.sd-hl__text { font-size: .93rem; color: var(--sd-body); margin: 0; }

/* --------------------------------------------------------------------------
   11. Projects
   -------------------------------------------------------------------------- */
.sd-projects { background: var(--sd-soft); }
.sd-project {
  position: relative;
  border-radius: var(--sd-radius);
  overflow: hidden;
  display: block;
  height: 100%;
  min-height: 260px;
  box-shadow: var(--sd-shadow-sm);
  transition: transform .45s var(--sd-ease), box-shadow .45s var(--sd-ease);
}
.sd-project--tall { min-height: 340px; }
.sd-project:hover {
  transform: translateY(-8px);
  box-shadow: var(--sd-shadow-lg);
}
.sd-project__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .9s var(--sd-ease);
}
.sd-project:hover .sd-project__img { transform: scale(1.1); }
.sd-project__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  background: linear-gradient(0deg, rgba(13, 20, 48, .92) 0%, rgba(21, 30, 69, .55) 42%, rgba(21, 30, 69, .06) 78%);
  transition: background .45s var(--sd-ease);
}
.sd-project:hover .sd-project__overlay {
  background: linear-gradient(0deg, rgba(13, 20, 48, .95) 0%, rgba(28, 60, 130, .62) 46%, rgba(21, 30, 69, .12) 80%);
}
.sd-project__cat {
  align-self: flex-start;
  background: var(--sd-cyan);
  color: var(--sd-navy-deep);
  font-family: var(--sd-font-head);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
  transform: translateY(8px);
  opacity: 0;
  transition: transform .45s var(--sd-ease), opacity .45s var(--sd-ease);
}
.sd-project:hover .sd-project__cat { transform: translateY(0); opacity: 1; }
.sd-project__title {
  color: #fff;
  font-size: 1.18rem;
  margin-bottom: 8px;
  font-weight: 700;
  transform: translateY(10px);
  transition: transform .45s var(--sd-ease);
}
.sd-project:hover .sd-project__title { transform: translateY(0); }
.sd-project__meta {
  font-size: .84rem;
  color: rgba(255, 255, 255, .72);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 7px;
  transform: translateY(10px);
  opacity: .85;
  transition: transform .45s var(--sd-ease);
}
.sd-project:hover .sd-project__meta { transform: translateY(0); }
.sd-project__meta i { color: var(--sd-cyan); }

/* --------------------------------------------------------------------------
   12. Process
   -------------------------------------------------------------------------- */
.sd-process { background: var(--sd-white); }
.sd-process__track { position: relative; }
.sd-process__line {
  position: absolute;
  top: 34px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--sd-line) 0 10px, transparent 10px 20px);
  display: none;
}
.sd-step {
  position: relative;
  text-align: center;
  height: 100%;
  padding: 0 8px;
}
.sd-step__num {
  display: block;
  font-family: var(--sd-font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--sd-sky);
  margin-bottom: 12px;
}
.sd-step__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--sd-white);
  border: 2px solid var(--sd-line);
  color: var(--sd-blue);
  font-size: 1.5rem;
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
  transition: transform .4s var(--sd-ease), background-color .4s var(--sd-ease),
              color .4s var(--sd-ease), border-color .4s var(--sd-ease),
              box-shadow .4s var(--sd-ease);
}
.sd-step:hover .sd-step__icon {
  background: var(--sd-grad-brand);
  border-color: transparent;
  color: #fff;
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(40, 89, 167, .3);
}
.sd-step__title {
  font-size: 1.06rem;
  margin-bottom: 9px;
  font-weight: 700;
}
.sd-step__text { font-size: .89rem; color: var(--sd-body); margin: 0; }

/* --------------------------------------------------------------------------
   13. Reviews
   -------------------------------------------------------------------------- */
.sd-reviews { background: var(--sd-soft); }
.sd-reviews__carousel { padding: 6px 4px 20px; }
.sd-review {
  background: var(--sd-white);
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  padding: 34px 30px 28px;
  height: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .4s var(--sd-ease), box-shadow .4s var(--sd-ease);
}
.sd-review:hover { transform: translateY(-6px); box-shadow: var(--sd-shadow); }
.sd-review__quote {
  position: absolute;
  top: 8px;
  right: 20px;
  font-size: 4.6rem;
  color: var(--sd-line);
  line-height: 1;
  transition: color .4s var(--sd-ease);
}
.sd-review:hover .sd-review__quote { color: rgba(79, 193, 233, .28); }
.sd-review__stars {
  color: #F5B73D;
  font-size: .95rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.sd-review__text {
  font-size: .96rem;
  color: var(--sd-body);
  line-height: 1.78;
  margin-bottom: 24px;
  flex: 1 1 auto;
}
.sd-review__author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--sd-line);
  margin-top: auto;
}
.sd-review__avatar {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--sd-grad-brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sd-font-head);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .04em;
}
.sd-review__meta strong {
  display: block;
  font-family: var(--sd-font-head);
  color: var(--sd-ink);
  font-size: .95rem;
  font-weight: 600;
}
.sd-review__meta span { font-size: .84rem; color: var(--sd-muted); }

/* --------------------------------------------------------------------------
   14. Call to action
   -------------------------------------------------------------------------- */
.sd-cta {
  padding: 0 0 104px;
  background: var(--sd-soft);
}
.sd-cta__panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--sd-radius-lg);
  background: var(--sd-grad-navy);
  padding: 56px 52px;
  box-shadow: var(--sd-shadow-lg);
}
.sd-cta__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(120deg, #000 0%, transparent 72%);
  -webkit-mask-image: linear-gradient(120deg, #000 0%, transparent 72%);
}
.sd-cta__glow {
  position: absolute;
  right: -120px;
  top: -140px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 193, 233, .30) 0%, rgba(79, 193, 233, 0) 68%);
}
.sd-cta__title {
  color: #fff;
  font-size: clamp(1.65rem, 1.05rem + 2.1vw, 2.45rem);
  margin: 16px 0 16px;
  font-weight: 700;
}
.sd-cta__text {
  color: rgba(255, 255, 255, .78);
  font-size: 1.04rem;
  max-width: 620px;
  margin-bottom: 28px;
}
.sd-cta__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.sd-cta__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.sd-cta__list li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  color: rgba(255, 255, 255, .75);
  font-size: .92rem;
  line-height: 1.5;
}
.sd-cta__list i {
  color: var(--sd-cyan);
  font-size: 1.1rem;
  margin-top: 3px;
  flex: 0 0 auto;
}
.sd-cta__list strong {
  display: block;
  font-family: var(--sd-font-head);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.sd-footer {
  background: var(--sd-navy-deep);
  color: rgba(255, 255, 255, .66);
  padding-top: 78px;
  position: relative;
  overflow: hidden;
}
.sd-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--sd-grad-cyan);
}
.sd-footer__logo { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.sd-footer__logo-mark { height: 48px; width: auto; }
.sd-footer__logo-word { height: 39px; width: auto; }
.sd-footer__desc { font-size: .92rem; line-height: 1.8; margin-bottom: 26px; max-width: 400px; }
.sd-footer__title {
  color: #fff;
  font-size: 1.06rem;
  margin-bottom: 22px;
  font-weight: 600;
  position: relative;
  padding-bottom: 14px;
}
.sd-footer__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42px;
  height: 2px;
  background: var(--sd-cyan);
  border-radius: 2px;
}
.sd-footer__links { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.sd-footer__links a {
  color: rgba(255, 255, 255, .66);
  font-size: .93rem;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 5px 0;
  transition: color .25s var(--sd-ease), transform .25s var(--sd-ease);
}
.sd-footer__links a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(79, 193, 233, .5);
  transition: background-color .25s var(--sd-ease), transform .25s var(--sd-ease);
}
.sd-footer__links a:hover { color: #fff; transform: translateX(4px); }
.sd-footer__links a:hover::before { background: var(--sd-cyan); transform: scale(1.4); }

.sd-footer__contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.sd-footer__contact li { display: flex; gap: 13px; align-items: flex-start; font-size: .92rem; line-height: 1.6; }
.sd-footer__contact i {
  color: var(--sd-cyan);
  font-size: 1.05rem;
  margin-top: 4px;
  flex: 0 0 auto;
}
.sd-footer__contact strong {
  display: block;
  font-family: var(--sd-font-head);
  color: #fff;
  font-weight: 600;
  font-size: .88rem;
  letter-spacing: .04em;
}
.sd-footer__contact a { color: rgba(255, 255, 255, .72); }
.sd-footer__contact a:hover { color: var(--sd-cyan); }

.sd-social { list-style: none; padding: 0; margin: 0; display: flex; gap: 11px; }
.sd-social a {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .82);
  font-size: 1.02rem;
  transition: transform .3s var(--sd-ease), background-color .3s var(--sd-ease),
              color .3s var(--sd-ease), border-color .3s var(--sd-ease);
}
.sd-social a:hover {
  background: var(--sd-grad-cyan);
  border-color: transparent;
  color: var(--sd-navy-deep);
  transform: translateY(-4px);
}

.sd-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .09);
  margin-top: 58px;
  padding: 22px 0;
}
.sd-footer__copy { margin: 0; font-size: .86rem; color: rgba(255, 255, 255, .5); }
.sd-footer__policy { color: rgba(255, 255, 255, .6); font-size: .86rem; }
.sd-footer__policy:hover { color: var(--sd-cyan); }

/* --------------------------------------------------------------------------
   16. Quote modal
   -------------------------------------------------------------------------- */
.sd-modal { border: 0; border-radius: var(--sd-radius-lg); overflow: hidden; }
.sd-modal__head {
  background: var(--sd-grad-navy);
  border: 0;
  padding: 28px 32px;
  align-items: flex-start;
}
.sd-modal__title { color: #fff; font-size: 1.5rem; margin: 0; font-weight: 700; }
.sd-modal__body { padding: 30px 32px 34px; }
.sd-modal__lead { font-size: .96rem; color: var(--sd-body); margin-bottom: 22px; }
.sd-label-form {
  font-family: var(--sd-font-head);
  font-size: .84rem;
  font-weight: 600;
  color: var(--sd-ink);
  margin-bottom: 7px;
}
.sd-label-form span { color: var(--sd-cyan); }
.sd-modal .form-control,
.sd-modal .form-select {
  border-radius: var(--sd-radius-sm);
  border-color: var(--sd-line);
  padding: 12px 14px;
  font-size: .95rem;
  color: var(--sd-ink);
  background-color: #FBFCFE;
}
.sd-modal .form-control:focus,
.sd-modal .form-select:focus {
  border-color: var(--sd-sky);
  box-shadow: 0 0 0 4px rgba(69, 162, 215, .14);
  background-color: #fff;
}
.sd-modal .form-control::placeholder { color: #A9B1C5; }
.sd-feedback { font-size: .82rem; }
.sd-modal__note {
  font-size: .82rem;
  color: var(--sd-muted);
  margin: 14px 0 0;
  display: flex;
  align-items: center;
  gap: 7px;
  justify-content: center;
}
.sd-modal__note i { color: var(--sd-brand); }
.sd-modal__done { text-align: center; padding: 26px 10px 12px; }
.sd-modal__done i { font-size: 3.2rem; color: var(--sd-brand); display: block; margin-bottom: 14px; }
.sd-modal__done h3 { font-size: 1.35rem; margin-bottom: 8px; }
.sd-modal__done p { color: var(--sd-body); margin: 0; }

/* --------------------------------------------------------------------------
   17. Floating action buttons (back to top + WhatsApp)
   Both sit in the bottom-right corner, WhatsApp below back-to-top.
   `--sd-float-bottom` is raised automatically by `initFloatGuard()` in
   script.js if a third-party widget (chat bubble, cookie bar) parks
   itself on top of them — without that, they would be unclickable.
   -------------------------------------------------------------------------- */
.sd-top {
  position: fixed;
  right: var(--sd-float-right);
  bottom: calc(var(--sd-float-bottom) + 56px);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 0;
  background: var(--sd-grad-brand);
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 12px 28px rgba(34, 45, 98, .32);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .35s var(--sd-ease), transform .35s var(--sd-ease),
              visibility .35s var(--sd-ease), background-color .35s var(--sd-ease);
  z-index: 1020;
  cursor: pointer;
}
.sd-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.sd-top:hover { transform: translateY(-4px); }

/* WhatsApp float — sits below the back-to-top button in the corner */
.sd-whatsapp {
  position: fixed;
  right: var(--sd-float-right);
  bottom: var(--sd-float-bottom);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  color: #fff;
  box-shadow: 0 12px 28px rgba(37, 211, 102, .38);
  z-index: 1020;
  transition: transform .3s var(--sd-ease), box-shadow .3s var(--sd-ease),
              bottom .35s var(--sd-ease);
}
.sd-whatsapp:hover {
  color: #fff;
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 16px 34px rgba(37, 211, 102, .5);
}
.sd-whatsapp__icon { display: block; }
.sd-whatsapp__label {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--sd-navy-deep);
  color: #fff;
  font-family: var(--sd-font-head);
  font-size: .82rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  box-shadow: 0 10px 24px rgba(21, 30, 69, .3);
  transition: opacity .28s var(--sd-ease), transform .28s var(--sd-ease),
              visibility .28s var(--sd-ease);
}
.sd-whatsapp__label::after {
  content: "";
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--sd-navy-deep);
}
.sd-whatsapp:hover .sd-whatsapp__label,
.sd-whatsapp:focus-visible .sd-whatsapp__label {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* A single, slow ring — enough to draw the eye without nagging. */
.sd-whatsapp::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, .55);
  animation: sdWhatsappPulse 2.8s var(--sd-ease) infinite;
  pointer-events: none;
}
@keyframes sdWhatsappPulse {
  0%   { transform: scale(1);    opacity: .7; }
  70%  { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(1.35); opacity: 0; }
}


/* --------------------------------------------------------------------------
   18. Owl Carousel overrides
   -------------------------------------------------------------------------- */
.owl-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
}
.owl-nav button {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  line-height: 1;
  border-radius: 50%;
  border: 1px solid var(--sd-line) !important;
  background: var(--sd-white) !important;
  color: var(--sd-navy) !important;
  font-size: 1.1rem !important;
  transition: background-color .3s var(--sd-ease), color .3s var(--sd-ease),
              border-color .3s var(--sd-ease), transform .3s var(--sd-ease),
              box-shadow .3s var(--sd-ease);
}
.owl-nav button:hover {
  background: var(--sd-grad-brand) !important;
  border-color: transparent !important;
  color: #fff !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(40, 89, 167, .28);
}
.owl-nav button.disabled { opacity: .38 !important; }
.owl-nav button.owl-prev span,
.owl-nav button.owl-next span { display: none; }
.owl-nav button.owl-prev::before { content: "\f284"; font-family: "bootstrap-icons"; }
.owl-nav button.owl-next::before { content: "\f285"; font-family: "bootstrap-icons"; }

.owl-carousel .owl-item { transition: transform .55s var(--sd-ease); }

/* --------------------------------------------------------------------------
   19. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1199.98px) {
  .sd-section { padding: 86px 0; }
  .sd-hero__slide { min-height: 600px; }
  .sd-process__line { display: none; }
  .sd-topbar { font-size: .77rem; }
  .sd-topbar-list { gap: 8px 16px; }
}

@media (max-width: 991.98px) {
  html { scroll-padding-top: 84px; }
  .sd-section { padding: 72px 0; }

  .sd-header .navbar { padding: 12px 0; }
  .sd-brand__mark { height: 34px; }
  .sd-brand__word { height: 16px; }
  .sd-brand__tag { font-size: .56rem; letter-spacing: .16em; }

  .sd-nav {
    padding: 14px 0 20px;
    border-top: 1px solid var(--sd-line);
    margin-top: 12px;
  }
  .sd-nav .nav-link {
    padding: 12px 4px !important;
    font-size: 1rem;
    border-bottom: 1px solid var(--sd-line);
  }
  .sd-nav .nav-link::after { display: none; }
  .sd-nav .nav-link.active { color: var(--sd-blue); }
  .sd-nav__cta { margin: 16px 0 0; }
  .sd-nav__cta .sd-btn { width: 100%; padding: 13px 22px; }

  .sd-hero__slide { min-height: 560px; }
  .sd-hero__overlay {
    background:
      linear-gradient(180deg, rgba(13, 20, 48, .90) 0%, rgba(21, 30, 69, .78) 55%, rgba(13, 20, 48, .88) 100%);
  }
  .sd-hero__content { padding: 64px 0 84px; }

  .sd-strip__item { padding: 10px 16px; border-right: 0; }
  .sd-strip__row > div:nth-child(odd) { border-right: 1px solid var(--sd-line); }

  .sd-about__badge { left: 10px; bottom: -18px; }

  .sd-section__head--split { align-items: flex-start; }
  .sd-cta { padding-bottom: 72px; }
  .sd-cta__panel { padding: 40px 30px; }
}

@media (max-width: 767.98px) {
  body { font-size: .97rem; }
  .sd-section { padding: 62px 0; }
  .sd-section__head { margin-bottom: 40px; }
  .sd-section__head--split { margin-bottom: 36px; }

  .sd-hero__slide { min-height: 520px; }
  .sd-hero__title { font-size: clamp(1.85rem, 1.2rem + 3.1vw, 2.5rem); }
  .sd-hero__text { font-size: 1rem; }
  .sd-hero__actions .sd-btn { flex: 1 1 100%; }

  .sd-about__media::before { display: none; }
  .sd-about__badge { position: static; margin-top: 18px; max-width: 100%; }

  .sd-card__body { padding: 20px 20px 22px; }
  .sd-project { min-height: 230px; }
  .sd-project--tall { min-height: 270px; }
  .sd-project__overlay { padding: 20px; }
  .sd-project__cat { opacity: 1; transform: none; }

  .sd-review { padding: 28px 22px 24px; }

  .sd-cta { padding-bottom: 62px; }
  .sd-cta__panel { padding: 34px 24px; border-radius: var(--sd-radius); }
  .sd-cta__actions .sd-btn { flex: 1 1 100%; }

  .sd-modal__head { padding: 22px 22px; }
  .sd-modal__body { padding: 24px 22px 28px; }

  /* Floating buttons sit closer to the edge on small screens. The offsets
     live in variables so the JS lift guard works at every width. */
  :root { --sd-float-right: 14px; --sd-float-bottom: 14px; }
  .sd-top { bottom: calc(var(--sd-float-bottom) + 56px); width: 42px; height: 42px; }
  .sd-whatsapp { width: 46px; height: 46px; }
  .sd-whatsapp__icon { width: 24px; height: 24px; }
  .sd-whatsapp__label { display: none; }
  .owl-nav button { width: 40px; height: 40px; }
}

@media (max-width: 575.98px) {
  .sd-strip__item strong { font-size: .9rem; }
  .sd-strip__item span { font-size: .78rem; }
  .sd-footer { padding-top: 60px; }
  .sd-footer__bottom { margin-top: 40px; }
}

/* --------------------------------------------------------------------------
   20. Motion & print preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .sd-hero__slide, .sd-hero__bg, .sd-card__img, .sd-project__img { opacity: 1 !important; }
  .sd-whatsapp::before { animation: none !important; opacity: 0 !important; }
}

@media print {
  .sd-header, .sd-topbar, .sd-top, .owl-nav, .sd-hero__dots { display: none !important; }
  body { color: #000; }
}