/* ============================================================
   Wrightway Energy Innovation — dark emerald "energy" theme
   ============================================================ */

:root {
    /* Surfaces */
    --bg:        #06100b;
    --bg-2:      #0a1812;
    --surface:   #0e1f17;
    --surface-2: #112a1f;
    --line:      rgba(163, 230, 53, 0.14);

    /* Text */
    --text:      #e9f3ec;
    --muted:     #93a89c;
    --faint:     #5e7568;

    /* Accents */
    --emerald:   #34d399;
    --lime:      #a3e635;
    --cyan:      #22d3ee;
    --grad: linear-gradient(100deg, #5eead4 0%, #a3e635 50%, #22d3ee 100%);

    /* Type */
    --display: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
    --body:    "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;

    /* Layout */
    --maxw: 1180px;
    --pad: clamp(1.25rem, 4vw, 2.5rem);
    --radius: 18px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--body);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: clamp(1rem, 0.55vw + 0.9rem, 1.0625rem);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

a { color: inherit; text-decoration: none; }
strong { color: #fff; font-weight: 600; }

/* ---------- Animated background ---------- */
.bg-field { position: fixed; inset: 0; z-index: -1; overflow: hidden; background:
        radial-gradient(1200px 800px at 70% -10%, rgba(34,211,238,0.10), transparent 60%),
        radial-gradient(900px 700px at 10% 10%, rgba(163,230,53,0.08), transparent 55%),
        var(--bg); }
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.5; will-change: transform; }
.orb--1 { width: 46vw; height: 46vw; background: radial-gradient(circle, rgba(52,211,153,0.55), transparent 70%); top: -12vw; left: -8vw; animation: drift1 22s ease-in-out infinite; }
.orb--2 { width: 38vw; height: 38vw; background: radial-gradient(circle, rgba(34,211,238,0.45), transparent 70%); top: 30vh; right: -10vw; animation: drift2 26s ease-in-out infinite; }
.orb--3 { width: 30vw; height: 30vw; background: radial-gradient(circle, rgba(163,230,53,0.35), transparent 70%); bottom: -8vw; left: 30vw; animation: drift1 30s ease-in-out infinite reverse; }
.grid-overlay { position: absolute; inset: 0;
    background-image: linear-gradient(rgba(233,243,236,0.035) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(233,243,236,0.035) 1px, transparent 1px);
    background-size: 64px 64px; mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 40%, transparent 100%); }

@keyframes drift1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(4vw, 5vh); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-5vw, -3vh); } }

/* ---------- Header / nav ---------- */
.header { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease; border-bottom: 1px solid transparent; }
.header.scrolled { background: rgba(6,16,11,0.72); backdrop-filter: blur(14px); border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand-mark { display: grid; place-items: center; filter: drop-shadow(0 0 10px rgba(52,211,153,0.5)); }
.brand-text { font-family: var(--display); font-weight: 800; font-size: 1.18rem; letter-spacing: -0.02em; line-height: 1; display: inline-flex; flex-direction: column; }
.brand-sub { font-family: var(--body); font-weight: 500; font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }

.nav { display: flex; align-items: center; }
.nav ul { list-style: none; display: flex; align-items: center; gap: 0.4rem; }
.nav a { display: inline-block; padding: 0.5rem 0.85rem; font-size: 0.92rem; font-weight: 500; color: var(--muted); border-radius: 999px; transition: color 0.2s, background 0.2s; }
.nav a:hover { color: var(--text); }
.nav .nav-cta { color: var(--bg); background: var(--grad); font-weight: 600; margin-left: 0.5rem; box-shadow: 0 4px 20px rgba(52,211,153,0.25); }
.nav .nav-cta:hover { color: var(--bg); filter: brightness(1.08); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: transparent; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.5rem; border-radius: 999px; font-family: var(--body); font-weight: 600; font-size: 0.98rem; cursor: pointer; transition: transform 0.2s ease, box-shadow 0.3s ease, filter 0.2s; border: 1px solid transparent; }
.btn--primary { color: #04130c; background: var(--grad); box-shadow: 0 8px 30px rgba(52,211,153,0.28); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(52,211,153,0.38); filter: brightness(1.05); }
.btn--ghost { color: var(--text); border-color: var(--line); background: rgba(233,243,236,0.02); }
.btn--ghost:hover { border-color: var(--emerald); transform: translateY(-2px); }
.btn--lg { padding: 1.1rem 2.2rem; font-size: 1.1rem; font-family: var(--display); letter-spacing: -0.01em; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding-top: 76px; }
.hero::after { content:""; position: absolute; inset: 0; z-index: -1; background-image: url('headerBG.jpg'); background-size: cover; background-position: center; opacity: 0.10; mix-blend-mode: luminosity; mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent); }
.hero-inner { max-width: 980px; }
.eyebrow { font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--lime); font-weight: 600; margin-bottom: 1.3rem; }
.hero-title { font-family: var(--display); font-weight: 800; letter-spacing: -0.035em; line-height: 1.02; font-size: clamp(2.6rem, 7vw, 5.6rem); max-width: 16ch; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lede { margin-top: 1.6rem; font-size: clamp(1.05rem, 1.4vw, 1.3rem); color: var(--muted); max-width: 56ch; }
.hero-actions { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: 1rem; }

.scroll-cue { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--line); border-radius: 14px; display: grid; place-items: start center; padding-top: 7px; }
.scroll-cue span { width: 4px; height: 8px; border-radius: 2px; background: var(--lime); animation: cue 1.6s ease-in-out infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(-4px); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(10px); } }

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--line); background: rgba(10,24,18,0.5); overflow: hidden; padding-block: 1.1rem; }
.marquee-track { display: inline-flex; align-items: center; gap: 1.6rem; white-space: nowrap; animation: scroll-x 38s linear infinite; font-family: var(--display); font-weight: 600; font-size: 1.05rem; color: var(--muted); }
.marquee-track .dot { color: var(--lime); font-size: 0.6rem; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding-block: clamp(4.5rem, 9vw, 8rem); position: relative; }
.section-tag { display: inline-block; font-size: 0.76rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--lime); font-weight: 600; margin-bottom: 1rem; }
.section-tag::before { content: "// "; color: var(--faint); }
.section-title { font-family: var(--display); font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; font-size: clamp(2rem, 4.2vw, 3.4rem); max-width: 18ch; }
.section-head { margin-bottom: 3.2rem; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.about-copy p { margin-top: 1.1rem; color: var(--muted); max-width: 52ch; }
.about-copy p:first-of-type { color: var(--text); }
.about-pillars { display: grid; gap: 1rem; }
.pillar { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.5rem; background: linear-gradient(180deg, rgba(17,42,31,0.5), rgba(14,31,23,0.2)); position: relative; }
.pillar-num { font-family: var(--display); font-weight: 800; font-size: 0.85rem; color: var(--lime); letter-spacing: 0.05em; }
.pillar h3 { font-family: var(--display); font-weight: 700; font-size: 1.15rem; margin-top: 0.3rem; letter-spacing: -0.01em; }
.pillar p { color: var(--muted); margin-top: 0.35rem; font-size: 0.95rem; }

/* Cards (expertise + projects) */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.card { position: relative; padding: 2rem 1.8rem; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, rgba(17,42,31,0.45), rgba(10,24,18,0.25)); overflow: hidden; transition: transform 0.35s ease, border-color 0.35s ease; }
.card:hover { transform: translateY(-6px); border-color: rgba(163,230,53,0.4); }
.card h3 { font-family: var(--display); font-weight: 700; font-size: 1.28rem; letter-spacing: -0.015em; line-height: 1.15; }
.card p { color: var(--muted); margin-top: 0.8rem; }
.card-glow { position: absolute; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(circle, rgba(52,211,153,0.4), transparent 70%); top: -90px; right: -70px; opacity: 0; transition: opacity 0.4s ease; filter: blur(20px); pointer-events: none; }
.card:hover .card-glow { opacity: 1; }
.project .project-kicker { display: inline-block; font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cyan); font-weight: 600; margin-bottom: 0.9rem; padding: 0.25rem 0.6rem; border: 1px solid rgba(34,211,238,0.3); border-radius: 999px; }

/* Services */
.services-list { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line); }
.services-list li { display: grid; grid-template-columns: 80px 1fr 1.3fr; gap: 1rem; align-items: baseline; padding: 1.6rem 0.5rem; border-bottom: 1px solid var(--line); transition: padding-left 0.3s ease, background 0.3s ease; }
.services-list li:hover { padding-left: 1.3rem; background: linear-gradient(90deg, rgba(163,230,53,0.06), transparent); }
.svc-index { font-family: var(--display); font-weight: 800; color: var(--faint); font-size: 0.95rem; }
.svc-name { font-family: var(--display); font-weight: 700; font-size: clamp(1.15rem, 2vw, 1.55rem); letter-spacing: -0.02em; }
.svc-desc { color: var(--muted); font-size: 0.98rem; }

/* Contact */
.contact { text-align: center; }
.contact-inner { max-width: 720px; margin-inline: auto; }
.contact-title { font-family: var(--display); font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; font-size: clamp(2.2rem, 5vw, 4rem); }
.contact-lede { color: var(--muted); margin: 1.2rem auto 2.4rem; max-width: 48ch; font-size: 1.1rem; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding-block: 2.4rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; justify-content: space-between; }
.footer-brand { font-family: var(--display); font-weight: 800; letter-spacing: -0.01em; }
.footer-meta { color: var(--faint); font-size: 0.9rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s cubic-bezier(.22,.61,.36,1), transform 0.7s cubic-bezier(.22,.61,.36,1); }
.reveal.in-view { opacity: 1; transform: none; }
/* stagger children inside a grid */
.cards .reveal:nth-child(2) { transition-delay: 0.08s; }
.cards .reveal:nth-child(3) { transition-delay: 0.16s; }
.services-list .reveal:nth-child(2) { transition-delay: 0.06s; }
.services-list .reveal:nth-child(3) { transition-delay: 0.12s; }
.services-list .reveal:nth-child(4) { transition-delay: 0.18s; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .about-grid { grid-template-columns: 1fr; }
    .cards { grid-template-columns: 1fr; }
    .services-list li { grid-template-columns: 50px 1fr; }
    .services-list .svc-desc { grid-column: 2; color: var(--faint); }

    .nav-toggle { display: flex; }
    .nav ul { position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: rgba(6,16,11,0.96); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); padding: 0.5rem var(--pad) 1.2rem; transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity 0.3s, transform 0.3s; }
    .nav ul.open { opacity: 1; transform: none; pointer-events: auto; }
    .nav li { width: 100%; }
    .nav a { display: block; padding: 0.9rem 0.5rem; font-size: 1.05rem; border-radius: 12px; }
    .nav .nav-cta { margin: 0.5rem 0 0; text-align: center; }
    .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
    .reveal { opacity: 1; transform: none; }
    .orb { animation: none; }
}