:root{
  --cobalt:#0047AB;
  --navy:#000080;
  --sky:#82C8E5;
  --slate:#6D8196;
  --ink:#020617;
  --paper:#f8fafc;
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  line-height:1.7;
  color:#e5e7eb;

  /* IMPORTANT FIX */
  background:linear-gradient(180deg, var(--navy), var(--cobalt));
}

.container{
  max-width:1100px;
  margin:auto;
  padding:0 1.25rem;
}

.section{
  padding:5.5rem 0;
  position:relative;
}

/* Section divider */
.section::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:72px;
  height:4px;
  border-radius:4px;
  background:rgba(255,255,255,.25);
}

/* Headings */
h1,h2,h3{
  line-height:1.25;
  margin:0 0 .75rem 0;
}

h2{
  font-size:clamp(1.8rem,3.5vw,2.4rem);
  margin-bottom:2rem;
}

h3{
  font-size:1.75rem;
  color:#fff;
}

/* Hero */
.hero{
  position:relative;
  height:90vh;
  background:linear-gradient(135deg,var(--navy),var(--cobalt));
  overflow:hidden;
}

.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.35;
}

.hero-overlay{
  position:relative;
  z-index:2;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  padding:1.5rem;
}

.logo{
  height:94px;
  margin-bottom:1rem;
}

.hero-overlay h1{
  font-size: clamp(3.2rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.5px;
}


/* About */
.about{
  background:linear-gradient(135deg,var(--navy),var(--cobalt));
}

.grid{
  display:grid;
  grid-template-columns:1fr;
  gap:2.5rem;
}

.grid img{
  width:100%;
  border-radius:1rem;
}

/* Work */
.work{
  background:var(--cobalt);
}

.work-item{
  display:grid;
  grid-template-columns:1fr;
  gap:2.5rem;
  margin-bottom:4.5rem;
  align-items:center;
}

.work-item img{
  width:100%;
  border-radius:1rem;
  transition: transform .35s ease;
}

.work-item img:hover{
  transform: scale(1.02);
}

.reverse img{order:-1}

/* Contact */
.contact{
  background:#22223b;
  text-align:center;
  padding:2.25rem;
  ;
}

.contact .email{
  font-weight:600;
  color:#cbd5f5;
}

/* Footer */
footer{
  background:#22223b;
  text-align:center;
  padding:2.25rem;
  color:#cbd5f5;
}

/* Subtle reveal (safe) */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.show{
  opacity:1;
  transform:none;
}

/* Desktop */
@media(min-width:768px){
  .grid{
    grid-template-columns:1fr 1fr;
  }
  .work-item{
    grid-template-columns:1fr 1fr;
  }
  .reverse img{order:2}
}


/* Top navigation */
.top-nav{
  position:absolute;
  top:2rem;
  right:2.5rem;
  display:flex;
  gap:1.75rem;
  z-index:3;
}

.top-nav a{
  color:#e5e7eb;
  text-decoration:none;
  font-weight:500;
  font-size:0.95rem;
  position:relative;
  padding-bottom:4px;
}

.top-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--sky);
  transition:width .3s ease;
}

.top-nav a:hover::after{
  width:100%;
}

@media(max-width:640px){
  .top-nav{
    right:1.25rem;
    gap:1rem;
  }
  .top-nav a{
    font-size:0.85rem;
  }
}


/* Ensure hero background image is visible */
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0.35;
  z-index:0;
}

.hero::before{
  z-index:1;
}

.hero-overlay,
.top-nav{
  position:relative;
  z-index:2;
}


/* --- FIX: Top navigation alignment --- */
.hero{
  position:relative;
}

.top-nav{
  position:absolute;
  top:1.5rem;
  right:0;
  left:0;
  max-width:1100px;
  margin:0 auto;
  padding:0 1.25rem;
  display:flex;
  justify-content:flex-end;
  gap:1.75rem;
  z-index:3;
}


/* ===============================
   MOBILE & TABLET RESPONSIVENESS
   =============================== */

/* Tablet */
@media (max-width: 1024px){
  .hero{
    height: 85vh;
  }

  .hero-overlay h1{
    font-size: clamp(2.6rem, 6vw, 3.6rem);
  }
}

/* Mobile */
@media (max-width: 640px){
  .hero{
    height: 78vh;
  }

  .logo{
    height: 72px;
  }

  .hero-overlay h1{
    font-size: 2.4rem;
    line-height: 1.15;
  }

  .hero-overlay p{
    font-size: 0.95rem;
    max-width: 90%;
  }

  .top-nav{
    top: 1rem;
    gap: 1rem;
  }

  .top-nav a{
    font-size: 0.8rem;
  }

  .section{
    padding: 4rem 0;
  }

  .work-item,
  .grid{
    gap: 1.75rem;
  }
}


/* =========================================
   HERO BACKGROUND – WAVY MOTION (CSS ONLY)
   ========================================= */

.hero-bg{
  animation: heroWave 16s ease-in-out infinite;
  transform-origin: center;
  will-change: transform, filter;
}

@keyframes heroWave{
  0%{
    transform: scale(1.05) translateY(0px) skewX(0deg);
    filter: brightness(1) saturate(1);
  }
  20%{
    transform: scale(1.07) translateY(-6px) skewX(0.25deg);
  }
  40%{
    transform: scale(1.09) translateY(4px) skewX(-0.25deg);
    filter: brightness(1.03) saturate(1.05);
  }
  60%{
    transform: scale(1.08) translateY(-3px) skewX(0.2deg);
  }
  80%{
    transform: scale(1.06) translateY(2px) skewX(-0.15deg);
  }
  100%{
    transform: scale(1.05) translateY(0px) skewX(0deg);
    filter: brightness(1) saturate(1);
  }
}