/* ==========================================================
   Nizung — Clean Energy. Smarter Future.
   Aesthetic: editorial / refined / warm-modern.
   Palette: cream, deep navy, sun-yellow, with terracotta + sky accents.
   ========================================================== */

:root{
  --cream: #FAF6EE;
  --cream-2: #F3ECDC;
  --ink: #0F2547;          /* deep navy from logo */
  --ink-soft: #28385A;
  --yellow: #F4A100;       /* primary brand sun */
  --yellow-deep: #D98700;
  --yellow-light: #FFD66B;
  --terracotta: #E07856;   /* light red accent */
  --sky: #9CC6E5;          /* light blue accent */
  --line: rgba(15, 37, 71, 0.14);
  --line-strong: rgba(15, 37, 71, 0.32);

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --max: 1240px;
  --pad: clamp(20px, 4vw, 56px);
}

*{ box-sizing: border-box; }
html, body{ margin:0; padding:0; }
html{ scroll-behavior: smooth; }

body{
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a{ color: inherit; }
img, svg{ display:block; max-width:100%; }

/* Subtle film grain */
.grain{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.06;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.7 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
}

/* ============ NAV ============ */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  display:flex;
  justify-content: space-between;
  align-items:center;
  padding: 18px var(--pad);
  background: rgba(250, 246, 238, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.logo-mark{
  width: 34px;
  height: 34px;
  animation: spin 60s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }
.logo-text{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: -0.02em;
}
.logo-text.small{ font-size: 22px; }
.nav-links{
  display:flex;
  gap: 32px;
  list-style: none;
  margin:0; padding:0;
  font-size: 14px;
  letter-spacing: 0.02em;
}
.nav-links a{
  text-decoration: none;
  position: relative;
  padding: 4px 0;
  color: var(--ink-soft);
  transition: color .25s ease;
}
.nav-links a:hover{ color: var(--ink); }
.nav-links a::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-2px;
  height:2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.nav-links a:hover::after{ transform: scaleX(1); }

/* ============ HERO ============ */
.hero{
  position: relative;
  padding: clamp(32px, 5vw, 64px) var(--pad) clamp(28px, 4vw, 56px);
  max-width: var(--max);
  margin: 0 auto;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
@media (max-width: 880px){
  .hero-grid{ grid-template-columns: 1fr; }
}

.eyebrow{
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--yellow-deep);
  font-weight: 500;
  margin-bottom: 28px;
  padding: 6px 12px;
  border: 1px solid var(--yellow-deep);
  border-radius: 100px;
  background: rgba(244, 161, 0, 0.06);
}

.hero-title{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0 0 28px;
  font-variation-settings: "opsz" 144;
}
.hero-title .line{ display:block; opacity: 0; transform: translateY(14px); animation: rise .9s cubic-bezier(.22,.7,.2,1) forwards; }
.hero-title .line:nth-child(1){ animation-delay: 0.05s; }
.hero-title .line:nth-child(2){ animation-delay: 0.18s; }
.hero-title .line:nth-child(3){ animation-delay: 0.31s; }
.hero-title .italic{
  font-style: italic;
  font-weight: 300;
  color: var(--ink-soft);
}
.hero-title .accent{
  background: linear-gradient(180deg, transparent 62%, var(--yellow-light) 62%, var(--yellow-light) 92%, transparent 92%);
  padding: 0 4px;
  font-style: italic;
  font-weight: 500;
}

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

.hero-lede{
  font-size: clamp(16px, 1.4vw, 19px);
  max-width: 56ch;
  color: var(--ink-soft);
  margin: 0 0 36px;
  opacity: 0;
  animation: rise .9s .55s cubic-bezier(.22,.7,.2,1) forwards;
}

.hero-cta{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: rise .9s .7s cubic-bezier(.22,.7,.2,1) forwards;
}
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn-primary{
  background: var(--ink);
  color: var(--cream);
}
.btn-primary:hover{
  background: var(--yellow);
  color: var(--ink);
  transform: translateY(-2px);
}
.btn-ghost{
  border-color: var(--line-strong);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover{
  border-color: var(--ink);
  background: var(--ink);
  color: var(--cream);
  transform: translateY(-2px);
}

/* HERO ART */
.hero-art{
  position: relative;
  aspect-ratio: 5 / 4;
  border-radius: 28px;
  overflow: hidden;
  box-shadow:
    0 30px 80px -30px rgba(15, 37, 71, 0.45),
    inset 0 0 0 1px rgba(255,255,255,0.3);
}
.hero-art .scene{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* STATS strip */
.stats{
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
@media (max-width: 720px){
  .stats{ grid-template-columns: repeat(2, 1fr); }
}
.stat{
  padding: 28px 24px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.js .stat{ opacity: 0; transform: translateY(12px); transition: opacity .8s ease, transform .8s ease; }
.js .stat.is-in{ opacity: 1; transform: none; }
.stat:last-child{ border-right: 0; }
@media (max-width: 720px){
  .stat:nth-child(2){ border-right: 0; }
}
.stat-num{
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-variation-settings: "opsz" 144;
}
.stat-unit{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 18px;
  color: var(--yellow-deep);
}
.stat-label{
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* ============ SECTION SHELL ============ */
.section{
  padding: clamp(48px, 6vw, 88px) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
/* Optional reveal: only fade-in when JS is active */
.js .section{ opacity: 0; transform: translateY(20px); transition: opacity 1s ease, transform 1s ease; }
.js .section.is-in{ opacity: 1; transform: none; }

.section-head{
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 48px);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
@media (max-width: 720px){
  .section-head{ grid-template-columns: 1fr; gap: 12px; align-items: start; }
}
.section-label{
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}
.section-title{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0;
  max-width: 22ch;
  font-variation-settings: "opsz" 144;
}
.section-title em{
  font-style: italic;
  font-weight: 300;
  color: var(--ink-soft);
}

/* ============ VISION ============ */
.vision-grid{
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}
.vision-statement{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  max-width: 22ch;
  font-variation-settings: "opsz" 144;
}
.vision-statement::first-letter{
  font-style: italic;
  color: var(--yellow-deep);
}
.vision-accent{
  font-style: italic;
  font-weight: 500;
  color: var(--yellow-deep);
  background: linear-gradient(180deg, transparent 65%, var(--yellow-light) 65%, var(--yellow-light) 92%, transparent 92%);
  padding: 0 4px;
}
.vision-sub{
  font-family: var(--font-body);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
  max-width: 56ch;
}

.pillar-stack{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}
@media (max-width: 880px){ .pillar-stack{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px){ .pillar-stack{ grid-template-columns: 1fr; } }

.pillar{
  background: var(--cream);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  transition: background .3s ease;
}
.js .pillar{ opacity: 0; transform: translateY(8px); transition: opacity .7s ease, transform .7s ease, background .3s ease; }
.js .pillar.is-in{ opacity: 1; transform: none; }
.pillar:hover{ background: #FFF8E5; }
.pillar-num{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 14px;
  color: var(--yellow-deep);
  letter-spacing: 0.04em;
}
.pillar h3{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
}
.pillar p{
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}

/* ============ ABOUT ============ */
.about{
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%);
  max-width: none;
  padding-left: 0; padding-right: 0;
}
.about > .section-head,
.about > .about-grid{
  max-width: var(--max);
  margin-left: auto; margin-right: auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}
.about-grid{
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
@media (max-width: 880px){
  .about-grid{ grid-template-columns: 1fr; }
}
.about-copy p{
  font-size: 16.5px;
  color: var(--ink-soft);
  margin: 0 0 18px;
  max-width: 60ch;
}
.about-copy strong{ color: var(--ink); font-weight: 600; }

.about-quote{
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 36px 32px;
  border-left: 2px solid var(--yellow);
}
.js .about-quote{ opacity: 0; transform: translateY(12px); transition: opacity .8s ease, transform .8s ease; }
.js .about-quote.is-in{ opacity: 1; transform: none; }
.quote-mark{
  font-family: var(--font-display);
  font-size: 100px;
  line-height: 0.6;
  color: var(--yellow);
  font-weight: 400;
  font-style: italic;
  font-variation-settings: "opsz" 144;
}
.about-quote blockquote{
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--ink);
  font-variation-settings: "opsz" 144;
}
.quote-attr{
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

/* ============ CONTACT ============ */
.contact{
  position: relative;
}
.contact::before{
  content: "";
  position: absolute;
  top: 8%;
  right: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 120, 86, 0.18) 0%, transparent 70%);
  pointer-events: none;
}
.contact::after{
  content: "";
  position: absolute;
  bottom: 8%;
  left: -100px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(156, 198, 229, 0.22) 0%, transparent 70%);
  pointer-events: none;
}
.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
  position: relative;
  z-index: 2;
}
@media (max-width: 880px){
  .contact-grid{ grid-template-columns: 1fr; }
}
.contact-copy p{
  font-size: 17px;
  color: var(--ink-soft);
  margin: 0 0 32px;
  max-width: 48ch;
}
.contact-meta{
  display: grid;
  gap: 22px;
}
.contact-meta > div{
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.contact-meta > div:last-child{ border-bottom: 0; }
.meta-label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--yellow-deep);
  font-weight: 500;
}
.meta-value{
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 400;
}
.meta-value.link{
  border-bottom: 1px solid var(--ink);
  display: inline-block;
  width: max-content;
  padding-bottom: 1px;
  transition: color .25s ease, border-color .25s ease;
}
.meta-value.link:hover{
  color: var(--yellow-deep);
  border-color: var(--yellow-deep);
}

/* FORM */
.contact-form{
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(24px, 3vw, 36px);
  box-shadow: 0 30px 60px -40px rgba(15, 37, 71, 0.25);
}
.contact-form p{
  margin: 0 0 18px;
}
.contact-form p:last-child{
  margin-bottom: 0;
}
.contact-form label{
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  font-weight: 500;
}
.contact-form input,
.contact-form textarea{
  font: inherit;
  font-size: 15px;
  text-transform: none;
  letter-spacing: normal;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1.5px solid var(--line-strong);
  padding: 10px 0;
  outline: none;
  font-family: var(--font-body);
  font-weight: 400;
  transition: border-color .25s ease;
  resize: vertical;
  width: 100%;
}
.contact-form input:focus,
.contact-form textarea:focus{
  border-color: var(--yellow);
}
.btn-submit{
  margin-top: 4px;
}

/* ============ FOOTER ============ */
.footer{
  background: var(--ink);
  color: var(--cream);
  padding: 36px var(--pad);
  margin-top: 0;
}
.footer-inner{
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
}
.foot-brand{
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.foot-brand .tagline{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  color: var(--yellow-light);
  font-size: 14px;
}
.foot-meta{
  display: flex;
  gap: 10px;
  color: rgba(250,246,238,0.65);
  letter-spacing: 0.02em;
}
.foot-meta .dot{ opacity: 0.5; }

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}