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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #ffffff;
  color: #0f2a44;
}

/* =====================================================
   GLOBAL ICONS
===================================================== */
svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

/* =====================================================
   HEADER
===================================================== */
.sse-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background .35s ease, box-shadow .35s ease;
}

.sse-header.scrolled {
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}

.sse-container {
  max-width: 1320px;
  margin: auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* LOGO */
.sse-logo img {
  height: 42px;
}

.logo-dark { display: none; }

.sse-header.scrolled .logo-white { display: none; }
.sse-header.scrolled .logo-dark { display: block; }

/* =====================================================
   DESKTOP NAV
===================================================== */
.sse-nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
}

.sse-nav a,
.sse-nav button {
  background: none;
  border: none;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sse-header.scrolled .sse-nav a,
.sse-header.scrolled .sse-nav button {
  color: #0f2a44;
}

/* =====================================================
   HEADER ACTION ICONS
===================================================== */
.sse-actions {
  display: flex;
  gap: 18px;
}

.sse-actions svg {
  width: 22px;
  height: 22px;
  stroke-width: 2.4;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: #ffffff;
}

.sse-header.scrolled .icon-btn {
  color: #0f2a44;
}

/* =====================================================
   DROPDOWN
===================================================== */
.has-dropdown {
  position: relative;
}

.dropdown-panel {
  position: absolute;
  top: 56px;
  left: 0;
  min-width: 280px;
  background: #e9f6f4;
  padding: 22px;
  border-radius: 10px;
  display: none;
}

.dropdown-panel a {
  display: block;
  padding: 10px 0;
  font-size: 14.5px;
  font-weight: 500;
  color: #0f766e;
  text-decoration: none;
}

.has-dropdown:hover .dropdown-panel {
  display: block;
}

/* =====================================================
   HERO
===================================================== */
.hero {
  min-height: 100vh;
  background-color: #0f2a44;
  background-image: url("https://www.sse.com/media/4y2jz2lv/noise.png");
  background-repeat: repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-inner {
  max-width: 1440px;
  margin: auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
}

/* HERO CONTENT */
.hero-content {
  max-width: 720px;
}

.hero-content h1 {
  font-size: 62px;
  font-weight: 800;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 26px;
}

/* HERO ACTIONS */
.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-btn {
  background: #081a3a;
  color: #ffffff;
  border: none;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  width: fit-content;
}

/* SEARCH */
.hero-search {
  position: relative;
  width: 340px;
}

.hero-search input {
  width: 100%;
  padding: 14px 48px 14px 16px;
  border: none;
  font-size: 15px;
}

.hero-search svg {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  stroke: #0f2a44;
}

/* =====================================================
   HERO COLLAGE
===================================================== */
.hero-collage {
  position: relative;
  height: 520px;
}

.main-frame {
  position: absolute;
  top: 110px;
  left: 0;
  background: #ffffff;
  padding: 10px;
}

.main-frame img {
  width: 360px;
  display: block;
}

/* DECOR ICON GRID */
.wind-icons {
  position: absolute;
  right: 0;
  bottom: 40px;
  display: grid;
  grid-template-columns: repeat(3, 26px);
  gap: 10px;
}

.wind-icons span {
  width: 26px;
  height: 26px;
  border: 2px solid #ffffff;
  border-radius: 50%;
}

/* =====================================================
   MOBILE MENU
===================================================== */
.mobile-toggle {
  display: none;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: #ffffff;
  z-index: 2000;
  transform: translateX(100%);
  transition: transform .35s ease;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid #e6e9ee;
}

.mobile-top img {
  height: 32px;
}

.mobile-list {
  list-style: none;
}

.mobile-list li {
  border-bottom: 1px solid #e6e9ee;
}

.mobile-list a,
.mobile-list button {
  width: 100%;
  padding: 20px;
  background: none;
  border: none;
  font-size: 20px;
  font-weight: 600;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #0f2a44;
}

/* ACCORDION */
.accordion-body {
  display: none;
  background: #f6f9fc;
}

.mobile-accordion.active .accordion-body {
  display: block;
}

.accordion-body a {
  padding: 16px 32px;
  font-size: 17px;
  display: block;
  text-decoration: none;
  color: #0f2a44;
}

/* =====================================================
   SPOTLIGHT SECTION
===================================================== */
.spotlight {
  padding: 120px 0;
  background: #ffffff;
}

.spotlight-inner {
  max-width: 1400px;
  margin: auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.spotlight-media {
  position: relative;
}

.spotlight-media img {
  width: 420px;
  position: relative;
  z-index: 2;
}

.spotlight-block.navy {
  width: 90px;
  height: 90px;
  background: #0a1a3f;
  position: absolute;
  top: -30px;
  left: -30px;
}

.spotlight-block.teal {
  width: 260px;
  height: 80px;
  background: #6fd9c7;
  position: absolute;
  bottom: -40px;
  right: -40px;
}

.spotlight-content h2 {
  font-size: 44px;
  font-weight: 800;
  margin-bottom: 22px;
}

.spotlight-content p {
  font-size: 17px;
  line-height: 1.7;
  color: #2c3e50;
  margin-bottom: 32px;
}

.spotlight-btn {
  background: #6fd9c7;
  color: #0a1a3f;
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width: 1024px) {

  .sse-nav { display: none; }
  .mobile-toggle { display: block; }

  .hero {
    padding-top: 92px;
    align-items: flex-start;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding: 0;
  }

  .hero-collage {
    display: none;
  }

  .hero-content {
    padding: 0 20px;
  }

  .hero-content h1 {
    font-size: 40px;
  }

  .hero-btn,
  .hero-search {
    width: 100%;
  }

  .spotlight-inner {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .spotlight-media img {
    max-width: 360px;
    width: 100%;
  }

  .spotlight-content h2 {
    font-size: 34px;
  }
}