/* ============================================================
   KENINBERG — Marine Solutions · Equipment · Spares
   Design tokens
   ============================================================ */
:root{
  --navy-base:   #052844;   /* matches logo backing exactly */
  --navy-deep:   #021423;
  --navy-mid:    #0b3a5c;
  --navy-soft:   #123f63;
  --ocean:       #3e8fc4;
  --ocean-glow:  #7fc4ec;
  --white:       #ffffff;
  --mist:        #a9c2d6;
  --mist-dim:    #7c93a6;
  --line:        rgba(169,194,214,0.16);
  --line-strong: rgba(169,194,214,0.30);

  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Jost', sans-serif;

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-soft: cubic-bezier(.4,0,.2,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--navy-base);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

a{ color: inherit; }

::selection{ background: var(--ocean); color: var(--navy-deep); }

:focus-visible{
  outline: 1.5px solid var(--ocean-glow);
  outline-offset: 4px;
}

/* ============================================================
   Ambient background — depth-contour field (echoes the logo's
   own wave-line motif) + drifting particles + vignette
   ============================================================ */
.bg-layer{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 50% -10%, #0d3f63 0%, var(--navy-base) 46%, var(--navy-deep) 100%);
}

.bg-vignette{
  position:absolute; inset:0;
  background: radial-gradient(80% 60% at 50% 30%, transparent 0%, rgba(2,20,35,0.55) 100%);
  opacity: 0;
  animation: vignette-in 2.6s var(--ease) .2s forwards;
}
@keyframes vignette-in{ to{ opacity:1; } }

.contour-field{
  position:absolute;
  left:0; right:0; bottom: -4%;
  width: 100%; height: 62%;
  opacity: 0;
  animation: contour-in 2.4s var(--ease) .5s forwards;
}
@keyframes contour-in{ to{ opacity: 1; } }

.contour{
  fill:none;
  stroke: var(--ocean);
  stroke-width: 1.1;
  vector-effect: non-scaling-stroke;
}
.c1{ stroke-opacity:.16; animation: drift-a 34s linear infinite; }
.c2{ stroke-opacity:.12; animation: drift-b 44s linear infinite; }
.c3{ stroke-opacity:.09; animation: drift-a 54s linear infinite reverse; }
.c4{ stroke-opacity:.10; animation: drift-b 40s linear infinite reverse; }

@keyframes drift-a{
  0%{ transform: translateX(0); }
  100%{ transform: translateX(-260px); }
}
@keyframes drift-b{
  0%{ transform: translateX(0); }
  100%{ transform: translateX(220px); }
}

.particles{ position:absolute; inset:0; }
.particle{
  position:absolute;
  width: 2px; height: 2px;
  border-radius: 50%;
  background: var(--ocean-glow);
  opacity: 0;
  filter: blur(.2px);
  animation: rise linear infinite, twinkle ease-in-out infinite;
}
@keyframes rise{
  0%{ transform: translateY(0); }
  100%{ transform: translateY(-120vh); }
}
@keyframes twinkle{
  0%, 100%{ opacity: 0; }
  10%{ opacity: .55; }
  50%{ opacity: .22; }
  90%{ opacity: 0; }
}

/* ============================================================
   Layout shell
   ============================================================ */
main{ position:relative; z-index:1; }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height: 100svh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding: 8vh 6vw 12vh;
  position: relative;
}

.hero-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  max-width: 760px;
}

.reveal{
  opacity:0;
  transform: translateY(22px);
  animation: rise-in .9s var(--ease) forwards;
  animation-delay: calc(var(--d, 0) * 1s);
}
.reveal[data-reveal="1"]{ --d: .15; }
.reveal[data-reveal="2"]{ --d: .95; }
.reveal[data-reveal="3"]{ --d: 1.25; }
.reveal[data-reveal="4"]{ --d: 1.6; }
.reveal[data-reveal="5"]{ --d: 2.0; }
.reveal[data-reveal="6"]{ --d: 2.35; }
.reveal[data-reveal="7"]{ --d: 2.75; }

@keyframes rise-in{
  to{ opacity:1; transform: translateY(0); }
}

.mark{
  position: relative;
  width: clamp(96px, 12vw, 140px);
  aspect-ratio: 1;
  margin-bottom: 2.6rem;
}
.mark::before{
  content:'';
  position:absolute;
  inset: -22%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(126,196,236,0.28) 0%, transparent 68%);
  filter: blur(6px);
  animation: glow-pulse 5s ease-in-out infinite;
}
@keyframes glow-pulse{
  0%,100%{ opacity:.55; transform: scale(1); }
  50%{ opacity: 1; transform: scale(1.08); }
}
.logo-img{
  position: relative;
  width:100%; height:100%;
  object-fit: cover;
  border-radius: 14px;
  display:block;
  box-shadow: 0 30px 70px -20px rgba(0,0,0,.65), 0 0 0 1px rgba(169,194,214,0.14);
}

.eyebrow{
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: .32em;
  text-transform: uppercase;
  font-size: clamp(.66rem, 1vw, .78rem);
  color: var(--ocean-glow);
  margin: 0 0 1.6rem;
}

.headline{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 5.4vw, 4.1rem);
  line-height: 1.12;
  letter-spacing: .01em;
  margin: 0 0 1.5rem;
  color: var(--white);
}
.headline span{
  color: var(--mist);
  font-style: italic;
  font-weight: 400;
}

.subtext{
  font-weight: 300;
  font-size: clamp(.98rem, 1.5vw, 1.15rem);
  line-height: 1.7;
  color: var(--mist);
  max-width: 46ch;
  margin: 0 0 3.4rem;
}

.coming-soon{
  display:flex;
  align-items:center;
  gap: 1.4rem;
  margin-bottom: 1rem;
}
.cs-line{
  width: clamp(28px, 5vw, 64px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong));
}
.coming-soon .cs-line:last-child{ background: linear-gradient(90deg, var(--line-strong), transparent); }
.cs-text{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  letter-spacing: .02em;
  background: linear-gradient(100deg, var(--white) 20%, var(--ocean-glow) 50%, var(--white) 80%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sheen 6s ease-in-out infinite;
}
@keyframes sheen{
  0%{ background-position: 0% 0; }
  50%{ background-position: 100% 0; }
  100%{ background-position: 0% 0; }
}

.cs-sub{
  font-weight: 300;
  font-size: .95rem;
  color: var(--mist-dim);
  margin: 0;
}

.scroll-cue{
  position:absolute;
  bottom: 4.2vh;
  left:50%;
  transform: translateX(-50%);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:.6rem;
  text-decoration:none;
  color: var(--mist-dim);
  font-size: .68rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  font-weight: 500;
  transition: color .4s var(--ease-soft);
}
.scroll-cue:hover{ color: var(--ocean-glow); }
.scroll-cue svg{ animation: bob 2.4s ease-in-out infinite; }
@keyframes bob{
  0%,100%{ transform: translateY(0); opacity:.6; }
  50%{ transform: translateY(6px); opacity:1; }
}

/* ============================================================
   SOLUTIONS
   ============================================================ */
.solutions{
  position: relative;
  padding: 10vh 6vw 14vh;
}

.solutions-inner{
  max-width: 1180px;
  margin: 0 auto;
}

.section-head{
  text-align:center;
  margin-bottom: 4.5rem;
  display:flex;
  flex-direction:column;
  align-items:center;
}
.section-tag{
  font-size: .7rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ocean-glow);
  font-weight: 500;
  margin-bottom: .9rem;
  opacity: 0;
}
.section-head h2{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  margin: 0 0 1.1rem;
  opacity: 0;
}
.head-rule{
  width: 46px; height: 1px;
  background: var(--line-strong);
  opacity: 0;
}
.section-head.in-view .section-tag,
.section-head.in-view h2,
.section-head.in-view .head-rule{
  animation: rise-in .8s var(--ease) forwards;
}
.section-head.in-view h2{ animation-delay: .12s; }
.section-head.in-view .head-rule{ animation-delay: .26s; }

.grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.card{
  position: relative;
  background: linear-gradient(160deg, rgba(255,255,255,0.035), rgba(255,255,255,0.005));
  backdrop-filter: blur(6px);
  padding: 2.4rem 1.8rem 2.1rem;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  min-height: 200px;
  opacity: 0;
  transform: translateY(18px);
  transition: transform .55s var(--ease-soft), box-shadow .55s var(--ease-soft), background .55s var(--ease-soft);
}
.card.in-view{
  animation: rise-in .75s var(--ease) forwards;
  animation-delay: calc(var(--i, 0) * .09s);
}

.card:hover{
  transform: translateY(-7px);
  background: linear-gradient(160deg, rgba(126,196,236,0.09), rgba(255,255,255,0.01));
  box-shadow: 0 24px 50px -22px rgba(0,0,0,.55);
}

.card-icon{
  width: 44px; height:44px;
  display:flex; align-items:center; justify-content:center;
  color: var(--ocean-glow);
  margin-bottom: 1.5rem;
  transition: transform .5s var(--ease-soft);
}
.card-icon svg{ width:100%; height:100%; }
.card:hover .card-icon{ transform: translateY(-3px) scale(1.06); }

.card h3{
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: .01em;
  margin: 0 0 .65rem;
  color: var(--white);
}

.card p{
  font-weight: 300;
  font-size: .86rem;
  line-height: 1.55;
  color: var(--mist-dim);
  margin: 0;
}

.card::after{
  content:'';
  position:absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px transparent;
  transition: box-shadow .5s var(--ease-soft);
  pointer-events:none;
}
.card:hover::after{ box-shadow: inset 0 0 0 1px rgba(126,196,236,0.35); }

/* 7 items: 4 + 3 grid, last row's card spans nicely on large screens */
.card[data-i="4"]{ grid-column: 1 / span 1; }
@media (min-width: 900px){
  .card[data-i="4"]{ grid-column: 1; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  position: relative;
  z-index: 1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 1rem;
  padding: 5vh 6vw 6vh;
  text-align:center;
  border-top: 1px solid var(--line);
}
.footer-mark{
  width: 34px; height:34px;
  border-radius: 8px;
  object-fit: cover;
  opacity: .85;
}
.site-footer p{
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--mist-dim);
  font-weight: 300;
  margin:0;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px){
  .hero{ padding-top: 10vh; }
  .grid{ grid-template-columns: 1fr; border-radius: 16px; }
  .coming-soon{ gap: .9rem; }
  .cs-line{ width: 22px; }
  .br-desktop{ display:none; }
  .scroll-cue{ bottom: 3vh; }
}

@media (max-width: 380px){
  .mark{ width: 84px; }
}