:root {
  --bg: #03070d;
  --surface: #07111c;
  --surface-light: #0c1a28;

  --text: #f5f7fa;
  --muted: rgba(255,255,255,0.68);

  --accent: #157cff;
  --accent-light: #64a8ff;
  --accent-dark: #0b3f87;

  --border: rgba(255,255,255,0.08);
  --glass: rgba(255,255,255,0.04);
}

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html{
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: 'Bebas Neue', sans-serif;
}

/* header styles */

.site-header{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(to bottom, rgba(3,7,13,0.92), rgba(3,7,13,0.72));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);

}

.header-inner{
  width: calc(100% - 80px);
  max-width: 1600px;
  height: 95px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}


.site-logo{
    text-decoration: none;
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.site-logo h1{
    font-family: 'Bebas Neue', sans-serif;
    font-size: 42px;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: white;
    margin: 0;
}

.site-logo span{
    margin-top: 2px;
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    text-align: center;
}

/* nav styles */

.site-nav{
  display: flex;
  align-items: center;
  gap: 42px;

}

.site-nav a{
  position: relative;
  color: rgba(255,255,255,0.82);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: color 0.35s ease,
  opacity 0.35s ease;
}

.site-nav a::after{
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 100%;
  height: 1px; 
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.site-nav a:hover{
  color: var(--text);
}

.site-nav a:hover::after{
  transform: scaleX(1);
}


.header-btn{
  height: 48px;
  padding: 0 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(21,124,255,0.45);
  background: rgba(21,124,255,0.04);
  color: var(--accent);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background 0.35s ease, border-color 0.35s ease, transform 0.35s ease;

}

.header-btn:hover{
  background: rgba(21,124,255,0.12);
  border-color: var(--accent);
  transform: translateY(-2px);
}


/* hero style */

.hero{
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 140px 80px 80px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.hero-bg{
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img{
  position: absolute;
  top: 0;
  right: 0;
  width: 90%;
  height: 100%;
  object-fit: cover;
  object-position: 78% center;
  filter: brightness(0.55) contrast(1.1) saturate(0.85);

}

.hero-bg::after{
  content: '';
  position: absolute;
  inset: 0;
  background:
  linear-gradient(to right,#03070d 0%,rgba(3,7,13,0.92) 38%,rgba(3,7,13,0.32) 68%,#03070d 100%),
  radial-gradient(circle at 70% 40%, rgba(21,124,255,0.22), transparent 42%);
  z-index: 2;
}

.hero-content{
  position: relative;
  z-index: 3;
  max-width: 680px;
}

.hero-tag{
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 8px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1{
  font-family: 'Bebas Neue', sans-serif;
  font-size: 128px;
  line-height: 0.88;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 28px;
  color: var(--text);
}

.hero h1 span{
  color: var(--accent);
}

.hero-text{
  max-width: 420px;
  color: rgba(255,255,255,0.72);
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-btn{
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding: 18px 28px;
  border: 1px solid rgba(21,124,255,0.55);
  background: rgba(21,124,255,0.04);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: background 0.35s ease, border-color 0.35s ease, color 0.35s ease, transform 0.35s ease;
}

.hero-btn:hover{
  background: rgba(21,124,255,0.14);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero-btn span{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 20px;
  line-height: 1;
}

.hero-btn i{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  line-height: 1;
}

/* offer section styles */

.offer-section{
  position: relative;
  padding: 140px 80px;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
}

.offer-section::before{
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(21,124,255,0.08), transparent 60%);
  pointer-events: none;
}

.section-heading{
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto 80px;
  text-align: center;
}

.section-tag{
  display: inline-block;
  margin-bottom: 24px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 8px;
  text-transform: uppercase;
}

.section-heading h2{
  font-size: 78px;
  line-height: 0.92;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.offer-grid{
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.offer-card{
    position: relative;
    border-radius: 20px;
    padding: 48px 40px;
    background: linear-gradient(
        180deg,
        rgba(255,255,255,0.02),
        rgba(255,255,255,0.01)
    );
    border: 1px solid rgba(255,255,255,0.06);
    overflow: hidden;
    transition:
    transform 0.45s cubic-bezier(0.19, 1, 0.22, 1),
    border-color 0.45s ease,
    background 0.45s ease;
}

.offer-number{
    position: absolute;
    top: 18px;
    right: 24px;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 110px;
    line-height: 1;
    color: rgba(21,124,255,0.06);
    pointer-events: none;
    user-select: none;
}

.offer-card h3{
    position: relative;
    z-index: 2;
    font-size: 52px;
    letter-spacing: 1px;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.offer-card p{
    position: relative;
    z-index: 2;
    color: rgba(255,255,255,0.68);
    font-size: 17px;
    line-height: 1.8;
}

.offer-card:hover{
    transform: translateY(-8px);
    border-color: rgba(21,124,255,0.4);
    background:
    linear-gradient(
        180deg,
        rgba(21,124,255,0.08),
        rgba(255,255,255,0.02)
    );
}

.offer-card::after{
    content: '';
    position: absolute;
    left: 40px;
    bottom: 32px;
    width: 90px;
    height: 2px;
    background: var(--accent);
}

/* about styles */

.about-section{
  position: relative;
  padding: 140px 80px;
  border-top: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
  background: radial-gradient(circle at center, rgba(21,124,255,0.08), transparent 60%), #05070b;
}

.about-inner{
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 560px 1fr;
  gap: 100px;
  align-items: center;
}

.about-image-wrap{
  position: relative;
  height: 760px;
  overflow:hidden;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.08);
  background: #0b0f17;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.02), 0 40px 100px rgba(0,0,0,0.45);

}

.about-image-wrap::before{
  content:"";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient( to top, rgba(5,7,11,0.88) 0%, rgba(5,7,11,0.25) 40%, rgba(5,7,11,0.15) 100%);
}

.about-image-wrap img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.9) contrast(1.05), brightness(0.82);
  transform: scale(1.02);
}

.about-content{
  position: relative;
  z-index: 2;
}

.about-content .section-tag{
  display: inline-block;
  margin-bottom: 24px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 6px;
  text-transform: uppercase;
}

.about-content h2{
  margin: 0 0 36px;
  color: var(--text);
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(88px, 9vw, 140px);
  line-height: 0.9;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.about-content p{
  max-width: 720px;
  margin: 0 0 28px;
  color: rgba(255,255,255,0.72);
  font-size: 21px;
  line-height: 1.8;
  font-weight: 400;
}

.about-btn{
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 24px;
  margin-top: 18px;
  padding: 18px 30px;
  border: 1px solid rbga(21,124,255,0.55);
  background: rgba(21,124,255,0.04);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: transform 0.35s ease, background 0.35s ease, border-color 0.35s ease;
}

.about-btn:hover{
  transform: translateY(-4px);
  background: rgba(21,124,255,0.12);
  border-color: rgba(21,124,255,0.9);
}

.about-btn span{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}


.about-btn i{
  font-size: 22px;
  line-height: 1;
}


/* impact section */

.impact-section{
  position: relative;
  min-height: 620px;
  padding: 120px 80px;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
}

.impact-bg{
  position: absolute;
  inset: 0;
  z-index: 1;
}

.impact-bg img{
  width: 120%;
  height: 100%;
  object-fit: cover;
  object-position: 85% 20%;
  transform: translateX(8%);
  filter: brightness(0.75) contrast(1.1) saturate(0.85);
}

.impact-bg::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #03070d 0%, rgba(3,7,13,0.92) 35%, rgba(3,7,13,0.52) 65%, #03070d 100%),
  radial-gradient(circle at 70% 45%, rgba(21,124,255,0.22), transparent 45%);
}

.impact-content{
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.impact-tag{
  display: inline-block;
  margin-bottom: 24px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 7px;
  text-transform: uppercase;
}

.impact-content h2{
  font-family: 'Bebas Neue', sans-serif;
  font-size: 112px;
  line-height: 0.9;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.pmact-content h2 span{
  color: var(--accent);
}

.pmact-content p{
  max-width: 520px;
  color: rgba(255,255,255,0.74);
  font-size: 18px;
  line-height: 1.8;
}