/* ═══════════════════════════════════════════════
   AUTUMN HVAC ENGINEERS — Main Stylesheet
   ═══════════════════════════════════════════════ */

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

:root {
  --dark:    #080e18;
  --dark2:   #0c1420;
  --dark3:   #0a1833;
  --panel:   #f2f4f7;
  --panel2:  #e8ebf0;
  --white:   #ffffff;
  --text:    #0d1117;
  --muted:   #6b7280;
  --muted2:  #9ca3af;
  --green:   #00c896;
  --green2:  #00e5a0;
  --blue:    #1a8fff;
  --blue2:   #0070e0;
  --teal:    #00bcd4;
  --border:  #e2e6ed;
  --border-dark: rgba(255,255,255,0.09);
  --grad:    linear-gradient(135deg, #0070e0 0%, #00c896 100%);
  --hero-bg: linear-gradient(135deg, #0a6cff 0%, #13b8f5 48%, #19d38a 100%);
  --nav-bg:  #062f7a;
  --radius:  14px;
  --shadow:  0 6px 28px rgba(0,0,0,0.08);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #0c1420; }
::-webkit-scrollbar-thumb { background: var(--green); border-radius: 3px; }

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 { letter-spacing: -0.02em; line-height: 1.15; }
p { line-height: 1.8; }

/* ─── REUSABLE ─── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 3.5rem; }
@media(max-width: 900px) { .container { padding: 0 1.5rem; } }

.section-eyebrow {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.7rem; font-weight: 600;
  color: var(--muted); letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 1.2rem;
}
.section-eyebrow .num {
  font-size: 0.68rem; color: var(--muted2);
  background: var(--panel2); padding: 0.1rem 0.5rem; border-radius: 4px;
}
.section-h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700; color: var(--text);
  line-height: 1.1; letter-spacing: -0.025em;
  margin-bottom: 1rem;
}
.section-h2 em {
  font-family: 'Instrument Serif', serif;
  font-style: italic; font-weight: 400;
}
.section-h2 .green { color: var(--green); }
.section-h2 .blue  { color: var(--blue); }
.section-lead { color: var(--muted); font-size: 0.95rem; max-width: 520px; line-height: 1.85; }

.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-up.visible { opacity: 1; transform: none; }

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: var(--green); color: var(--dark);
  padding: 0.78rem 1.7rem; border-radius: 28px;
  font-size: 0.88rem; font-weight: 700; text-decoration: none;
  border: none; cursor: pointer; transition: all 0.2s;
  letter-spacing: 0.01em;
}
.btn-primary:hover { background: var(--green2); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,200,150,0.25); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.9);
  padding: 0.78rem 1.7rem; border-radius: 28px;
  font-size: 0.88rem; font-weight: 500; text-decoration: none;
  border: 1px solid rgba(255,255,255,0.15); transition: all 0.2s;
}
.btn-outline:hover { background: rgba(255,255,255,0.14); color: #fff; }

.btn-dark {
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: var(--dark); color: #fff;
  padding: 0.78rem 1.7rem; border-radius: 28px;
  font-size: 0.88rem; font-weight: 600; text-decoration: none;
  border: none; cursor: pointer; transition: all 0.2s;
}
.btn-dark:hover { background: #0c1420; transform: translateY(-2px); }

.btn svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }


/* ═══════════════════════════════════════════════
   HEADER / NAVIGATION
   ═══════════════════════════════════════════════ */
.site-header {
  position: sticky; top: 0; left: 0; right: 0; z-index: 1000;
  width: 100%;           /* ← ensures header always spans full viewport */
  background: var(--nav-bg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.nav-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;           /* equal left/right padding — logo flush left, nav flush right */
  height: 90px;
  box-sizing: border-box;
}

/* ── LOGO: far-left, full size, full colour ── */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  padding: 0;
  margin: 0;
}

.nav-logo img {
  height: 90px;                /* fills 90px header with comfortable breathing room */
  width: auto;
  display: block;
  object-fit: contain;
  mix-blend-mode: lighten;     /* makes black PNG background transparent on dark header */
}
.nav-logo-text { display: flex; flex-direction: column; gap: 0; }
.nav-logo-name { font-size: 1.05rem; font-weight: 700; color: #fff; letter-spacing: 0.01em; line-height: 1.2; }
.nav-logo-sub  { font-size: 0.65rem; color: rgba(255,255,255,0.55); letter-spacing: 0.1em; text-transform: uppercase; }

/* ── NAV: far-right, horizontal, vertically centred ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin-left: auto;           /* pushes entire nav block to the far right */
  padding: 0;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
  padding: 0.5rem 1.1rem;
  border-radius: 8px;
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: #fff; background: rgba(255,255,255,0.1);
}
.nav-links .nav-cta {
  background: var(--green) !important;
  color: var(--dark) !important;
  font-weight: 700 !important;
  border-radius: 22px !important;
  padding: 0.5rem 1.3rem !important;
  margin-left: 0.75rem;
}
.nav-links .nav-cta:hover { background: var(--green2) !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; background: none; border: none; }
.hamburger span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: 0.3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none; position: fixed; top: 90px; left: 0; right: 0;
  background: #051d4d; flex-direction: column; z-index: 999;
  border-bottom: 1px solid var(--border-dark);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: rgba(255,255,255,0.8); text-decoration: none;
  padding: 1rem 2rem; font-size: 0.95rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 0.2s;
}
.mobile-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.mobile-nav a.nav-cta-mob {
  color: var(--green) !important; font-weight: 700;
}

@media(max-width: 960px) {
  .nav-inner { padding: 0 1.25rem; height: 80px; box-sizing: border-box; }
  .nav-logo img { height: 62px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { top: 80px; }
}


/* ═══════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  background: var(--hero-bg);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
#heroCanvas {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 1; opacity: 0.85;
}
.hero-slideshow {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
.hero-slideshow::before {
  content: ""; position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(to right, rgba(10,108,255,0.88) 0%, rgba(10,80,200,0.65) 50%, rgba(0,100,160,0.4) 100%);
}
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }

.hero-glow { position: absolute; top: 0; left: 0; right: 0; bottom: 0; pointer-events: none; }
.hero-glow::before {
  content: ''; position: absolute; top: -10%; left: -5%; width: 130%; height: 130%;
  background:
    radial-gradient(ellipse 55% 40% at 65% 35%, rgba(0,160,255,0.28) 0%, transparent 65%),
    radial-gradient(ellipse 35% 30% at 80% 70%, rgba(0,200,150,0.12) 0%, transparent 60%);
}

.hero-content {
  position: relative; z-index: 2;
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  padding: 7rem 3.5rem 4rem;
  max-width: 860px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 30px; padding: 0.4rem 1rem;
  font-size: 0.72rem; color: rgba(255,255,255,0.88); letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 1.8rem;
  backdrop-filter: blur(8px); width: fit-content;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex-shrink: 0; }

.hero-h1 {
  font-size: clamp(3rem, 6.5vw, 5.5rem);
  font-weight: 700; color: #fff;
  line-height: 1.03; letter-spacing: -0.03em;
  margin-bottom: 1.6rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.hero-h1 em {
  font-family: 'Instrument Serif', serif;
  font-style: italic; font-weight: 400; color: var(--green);
}
.hero-h1 .accent { color: #00E5A0; }

.hero-desc {
  color: rgba(255,255,255,0.88);
  font-size: 1rem; max-width: 460px;
  line-height: 1.85; margin-bottom: 2.5rem;
}

.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3.5rem; }

.hero-stats {
  display: flex; gap: 1.25rem; flex-wrap: wrap;
}
.stat-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px; padding: 1.1rem 1.6rem;
  backdrop-filter: blur(10px);
  min-width: 110px;
}
.stat-number { font-size: 1.9rem; font-weight: 700; line-height: 1; margin-bottom: 0.2rem; }
.stat-label  { font-size: 0.73rem; color: rgba(255,255,255,0.9); }

.hero-scroll-hint {
  position: absolute; right: 3.5rem; bottom: 4.5rem; z-index: 2;
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.68rem; color: rgba(255,255,255,0.3);
  letter-spacing: 0.12em; text-transform: uppercase;
  writing-mode: vertical-rl;
}
.hero-scroll-hint::after {
  content: ''; width: 1px; height: 36px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  margin-top: 0.4rem;
}

/* Hero decorative lines */
.hero-deco {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 1;
}

@media(max-width: 768px) {
  .hero-content { padding: 6rem 1.5rem 4rem; }
  .hero-scroll-hint { display: none; }
}


/* ═══════════════════════════════════════════════
   TICKER BAND
   ═══════════════════════════════════════════════ */
.ticker {
  background: linear-gradient(135deg, #0c73ea 0%, #14b9ef 55%, #18c88d 100%);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  overflow: hidden; padding: 0.9rem 0; white-space: nowrap;
}
.ticker-track { display: inline-flex; gap: 0; animation: ticker 30s linear infinite; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker-item {
  display: inline-flex; align-items: center; gap: 1rem;
  font-size: 0.78rem; font-weight: 500;
  color: rgba(255,255,255,0.92);
  letter-spacing: 0.06em; padding: 0 2rem;
}
.ticker-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--green); flex-shrink: 0; }


/* ═══════════════════════════════════════════════
   MARQUEE BAND
   ═══════════════════════════════════════════════ */
.marquee-band {
  background: linear-gradient(135deg, #0b6be0 0%, #0fb7e8 55%, #15c88a 100%);
  padding: 1.2rem 0; overflow: hidden;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.marquee-track { display: inline-flex; animation: marquee 18s linear infinite; white-space: nowrap; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-item {
  font-size: 1rem; font-weight: 700;
  color: #F4FBFF;
  text-shadow: 0 0 8px rgba(255,255,255,0.25);
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0 2rem;
  display: inline-flex; align-items: center; gap: 2rem;
}
.marquee-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); opacity: 0.6; flex-shrink: 0; }


/* ═══════════════════════════════════════════════
   SECTIONS — SHARED PADDING
   ═══════════════════════════════════════════════ */
.section { padding: 6rem 0; }        /* ← remove side padding; let .container handle it */
.section-light { background: var(--white); }
.section-panel { background: var(--panel); }

@media(max-width: 900px) {
  .section { padding: 4rem 0; }      /* ← same — zero side padding on section */
}


/* ═══════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════ */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: start; margin-top: 3.5rem;
}
.about-body p { font-size: 0.93rem; color: var(--muted); line-height: 1.9; margin-bottom: 1.1rem; }
.about-timeline {
  display: flex; gap: 2.5rem;
  margin-top: 2.5rem; padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.tl-year { font-size: 1.35rem; font-weight: 700; color: var(--text); margin-bottom: 0.2rem; }
.tl-year .accent { color: var(--green); }
.tl-label { font-size: 0.75rem; color: var(--muted); line-height: 1.4; }

.mv-cards { display: flex; flex-direction: column; gap: 1rem; }
.mv-card {
  border-radius: 16px; padding: 1.75rem;
  background: linear-gradient(135deg, #0c73ea 0%, #14b9ef 55%, #18c88d 100%);
  border: none; position: relative;
}
.mv-card-tag { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700; margin-bottom: 0.75rem; color: var(--green); }
.mv-card-title { font-family: 'Instrument Serif', serif; font-style: italic; font-size: 1.3rem; margin-bottom: 0.6rem; line-height: 1.3; color: #fff; }
.mv-card-body { font-size: 0.86rem; line-height: 1.75; color: rgba(255,255,255,0.92); }
.mv-card-check {
  width: 28px; height: 28px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  float: right; margin-top: -1.75rem;
}
.mv-card-check svg { width: 14px; height: 14px; stroke: #fff; fill: none; stroke-width: 2; }

@media(max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 2.5rem; } }


/* ═══════════════════════════════════════════════
   SERVICES / SOLUTIONS
   ═══════════════════════════════════════════════ */
.solutions-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.5rem; margin-top: 3rem;
}
.sol-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.sol-featured, .sol-small {
  position: relative; background-size: cover; background-position: center;
  overflow: hidden; border-radius: 20px; color: #fff;
}
.sol-featured { min-height: 340px; padding: 2rem; }
.sol-small    { min-height: 160px; padding: 1.5rem; }
.sol-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(5,32,74,0.25), rgba(5,32,74,0.75));
}
.sol-featured-tag, .sol-featured-title, .sol-featured-desc,
.sol-num, .sol-title, .sol-desc { position: relative; z-index: 2; }
.sol-featured-tag { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--green); }
.sol-featured-title { font-size: 2rem; font-weight: 700; margin-top: 0.75rem; line-height: 1.2; }
.sol-featured-desc { margin-top: 0.8rem; font-size: 0.88rem; line-height: 1.65; color: rgba(255,255,255,0.88); }
.sol-num   { font-size: 0.68rem; font-weight: 700; opacity: 0.5; letter-spacing: 0.1em; margin-bottom: 0.5rem; }
.sol-title { font-size: 1.1rem; font-weight: 700; margin-top: 0.4rem; }
.sol-desc  { margin-top: 0.4rem; font-size: 0.8rem; line-height: 1.5; color: rgba(255,255,255,0.82); }

/* Expertise Accordion */
.expertise-section { margin-top: 5rem; }
.expertise-heading {
  font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700;
  color: var(--text); letter-spacing: -0.02em; margin-bottom: 2rem; line-height: 1.2;
}
.expertise-heading em { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; }
.accordion { border: 1px solid var(--border); border-radius: 16px; overflow: hidden; background: var(--white); }
.acc-item { border-bottom: 1px solid var(--border); }
.acc-item:last-child { border-bottom: none; }
.acc-header {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1.5rem 1.75rem; cursor: pointer; transition: background 0.2s;
}
.acc-header:hover { background: var(--panel); }
.acc-letter {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--panel); display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 0.85rem;
  color: var(--text); flex-shrink: 0; transition: all 0.2s;
}
.acc-item.open .acc-letter { background: var(--dark); color: #fff; }
.acc-title { font-size: 0.95rem; font-weight: 600; color: var(--text); flex: 1; }
.acc-sub   { font-size: 0.82rem; color: var(--muted); margin-top: 0.15rem; }
.acc-arrow {
  width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all 0.25s;
}
.acc-arrow svg { width: 12px; height: 12px; stroke: var(--muted); fill: none; stroke-width: 2; stroke-linecap: round; transition: transform 0.25s; }
.acc-item.open .acc-arrow { background: var(--dark); border-color: var(--dark); }
.acc-item.open .acc-arrow svg { stroke: #fff; transform: rotate(45deg); }
.acc-body { display: none; padding: 0 1.75rem 1.5rem 5rem; font-size: 0.88rem; color: var(--muted); line-height: 1.8; }
.acc-item.open .acc-body { display: block; }

@media(max-width: 768px) {
  .solutions-layout { grid-template-columns: 1fr; }
  .sol-grid { grid-template-columns: 1fr; }
}


/* ═══════════════════════════════════════════════
   INDUSTRIES
   ═══════════════════════════════════════════════ */
.ind-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 1rem; margin-top: 3rem;
}
.ind-card {
  border-radius: 16px; padding: 1.75rem 1.25rem;
  background: linear-gradient(145deg, #0070e0 0%, #00c896 100%);
  color: #fff; position: relative; overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.ind-card:hover { transform: translateY(-5px); box-shadow: 0 12px 32px rgba(0,112,224,0.25); }
.ind-card::before {
  content: ''; position: absolute; bottom: -20px; right: -20px;
  width: 80px; height: 80px; border-radius: 50%; background: rgba(255,255,255,0.06);
}
.ind-num   { font-size: 0.68rem; font-weight: 700; opacity: 0.5; letter-spacing: 0.08em; margin-bottom: 1.2rem; }
.ind-icon  { width: 38px; height: 38px; border-radius: 9px; background: rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.ind-icon svg { width: 20px; height: 20px; stroke: #fff; fill: none; stroke-width: 2; stroke-linecap: round; }
.ind-title { font-size: 0.88rem; font-weight: 700; margin-bottom: 0.4rem; line-height: 1.3; }
.ind-desc  { font-size: 0.75rem; opacity: 0.65; line-height: 1.5; }

@media(max-width: 1100px) { .ind-grid { grid-template-columns: repeat(3, 1fr); } }
@media(max-width: 768px)  { .ind-grid { grid-template-columns: repeat(2, 1fr); } }
@media(max-width: 500px)  { .ind-grid { grid-template-columns: 1fr 1fr; } }


/* ═══════════════════════════════════════════════
   BRANDS
   ═══════════════════════════════════════════════ */
.brands-row {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem;
}
/* Card that holds one brand logo image */
.brand-pill {
  display: flex; align-items: center; justify-content: center;
  background: var(--white); border: 1.5px solid var(--border); border-radius: 14px;
  padding: 0.85rem 1.8rem; min-width: 130px; height: 72px;
  transition: all 0.22s; white-space: nowrap; cursor: default;
}
.brand-pill:hover {
  border-color: var(--blue); background: #f5f9ff;
  box-shadow: 0 4px 18px rgba(0,112,224,0.12); transform: translateY(-2px);
}
/* The brand logo image itself */
.brand-pill img {
  height: 36px; max-width: 120px;
  width: auto; object-fit: contain;
  display: block; filter: grayscale(30%);
  transition: filter 0.2s;
}
.brand-pill:hover img { filter: grayscale(0%); }
/* Fallback text (shown if image fails to load) */
.brand-pill .brand-name-fallback {
  font-size: 0.95rem; font-weight: 700; color: var(--text);
  letter-spacing: 0.02em;
}


/* ═══════════════════════════════════════════════
   PROJECTS
   ═══════════════════════════════════════════════ */
.proj-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 2rem 0 1.5rem; }
.proj-tab {
  padding: 0.45rem 1.1rem; border-radius: 20px;
  font-size: 0.78rem; font-weight: 500; cursor: pointer;
  border: 1px solid var(--border); background: var(--white);
  color: var(--muted); transition: all 0.2s;
}
.proj-tab.active { background: var(--dark); color: #fff; border-color: var(--dark); }
.proj-tab:hover:not(.active) { border-color: var(--text); color: var(--text); }
.proj-panel { display: none; }
.proj-panel.active { display: block; }
.proj-list { border: 1px solid var(--border); border-radius: 16px; overflow: hidden; background: var(--white); }
.proj-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.6rem; border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.proj-row:last-child { border-bottom: none; }
.proj-row:hover { background: var(--panel); }
.proj-num  { font-size: 0.72rem; color: var(--muted2); width: 36px; flex-shrink: 0; font-weight: 500; }
.proj-name { font-size: 0.9rem; font-weight: 500; color: var(--text); flex: 1; }
.proj-dash { color: var(--muted2); font-size: 1rem; }


/* ═══════════════════════════════════════════════
   WHY CHOOSE US
   ═══════════════════════════════════════════════ */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 3rem; }
.why-card {
  background: var(--panel); border-radius: 16px;
  padding: 1.75rem; border: 1px solid var(--border);
  transition: all 0.25s;
}
.why-card:hover { background: #fff; box-shadow: 0 6px 24px rgba(0,0,0,0.07); border-color: #c8d0db; transform: translateY(-3px); }
.why-num  { font-size: 2rem; font-weight: 700; color: var(--panel2); letter-spacing: -0.03em; margin-bottom: 1rem; line-height: 1; }
.why-icon { width: 36px; height: 36px; margin-bottom: 0.75rem; }
.why-icon svg { width: 36px; height: 36px; stroke: var(--muted); fill: none; stroke-width: 1.5; stroke-linecap: round; }
.why-title { font-size: 0.9rem; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; line-height: 1.35; }
.why-desc  { font-size: 0.8rem; color: var(--muted); line-height: 1.65; }
.why-card-wide {
  grid-column: 1 / -1;
  background: var(--panel); border-radius: 16px;
  padding: 2rem 2.5rem; border: 1px solid var(--border);
  display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: start;
  transition: all 0.25s;
}
.why-card-wide:hover { background: #fff; box-shadow: 0 6px 24px rgba(0,0,0,0.07); }
.why-wide-num   { font-size: 2rem; font-weight: 700; color: var(--panel2); letter-spacing: -0.03em; line-height: 1; }
.why-wide-title { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.4rem; }
.why-wide-desc  { font-size: 0.87rem; color: var(--muted); line-height: 1.75; }

@media(max-width: 1100px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media(max-width: 600px)  { .why-grid { grid-template-columns: 1fr; } }


/* ═══════════════════════════════════════════════
   CTA BAND
   ═══════════════════════════════════════════════ */
.cta-band {
  background: var(--dark2); border-radius: 20px;
  padding: 4rem 3.5rem;
  position: relative; overflow: hidden;
  text-align: center;
  margin: 0 3.5rem 4rem;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(0,200,150,0.08) 0%, transparent 70%);
}
.cta-tag  { position: relative; z-index: 1; display: inline-block; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 1.25rem; }
.cta-h2   { position: relative; z-index: 1; font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: #fff; line-height: 1.1; letter-spacing: -0.025em; margin-bottom: 0.75rem; }
.cta-h2 em { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; }
.cta-h2 .green { color: var(--green); }
.cta-lead  { position: relative; z-index: 1; color: rgba(255,255,255,0.85); font-size: 0.92rem; max-width: 480px; margin: 0 auto 2rem; line-height: 1.8; }
.cta-btns  { position: relative; z-index: 1; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.cta-email { position: relative; z-index: 1; display: block; font-size: 0.8rem; color: rgba(255,255,255,0.3); margin-top: 1rem; }

@media(max-width: 768px) {
  .cta-band { margin: 0 1.5rem 3rem; padding: 3rem 2rem; }
}


/* ═══════════════════════════════════════════════
   CONTACT FORM
   ═══════════════════════════════════════════════ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 4rem; align-items: start; margin-top: 3rem;
}
.contact-info-block { }
.contact-h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem); font-weight: 700;
  color: var(--text); line-height: 1.1; letter-spacing: -0.025em; margin-bottom: 1.5rem;
}
.contact-h2 em { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; }
.contact-p { font-size: 0.93rem; color: var(--muted); line-height: 1.85; margin-bottom: 2rem; }
.office-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.4rem 1.5rem; margin-bottom: 1rem;
  display: flex; align-items: flex-start; justify-content: space-between;
}
.office-tag   { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.4rem; }
.office-city  { font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 0.3rem; }
.office-addr  { font-size: 0.82rem; color: var(--muted); line-height: 1.6; }
.office-badge { font-size: 0.68rem; font-weight: 600; color: var(--muted); background: var(--panel); border-radius: 4px; padding: 0.2rem 0.5rem; flex-shrink: 0; }
.contact-info-items { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }
.ci-row   { display: flex; align-items: center; gap: 0.75rem; }
.ci-icon  { width: 36px; height: 36px; border-radius: 9px; background: var(--panel); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ci-icon svg { width: 16px; height: 16px; stroke: var(--muted); fill: none; stroke-width: 2; stroke-linecap: round; }
.ci-val   { font-size: 0.87rem; color: var(--text); }
.ci-val a { color: var(--blue); text-decoration: none; }
.ci-val a:hover { text-decoration: underline; }

/* Form */
.contact-form-wrap {
  background: var(--panel); border-radius: 20px;
  padding: 2.5rem; border: 1px solid var(--border);
}
.cf-title { font-size: 0.78rem; font-weight: 700; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 1.75rem; }
.cf-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 0; }
.cf-group { display: flex; flex-direction: column; gap: 0.38rem; margin-bottom: 1.1rem; }
.cf-label { font-size: 0.72rem; font-weight: 600; color: var(--text); letter-spacing: 0.03em; }
.cf-label .req { color: #e02828; margin-left: 2px; }
.cf-input, .cf-select, .cf-textarea {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: 10px; padding: 0.72rem 1rem;
  font-family: 'Inter', sans-serif; font-size: 0.88rem;
  color: var(--text); width: 100%; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.cf-input:focus, .cf-select:focus, .cf-textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,143,255,0.1);
}
.cf-input::placeholder, .cf-textarea::placeholder { color: var(--muted2); }
.cf-textarea { resize: vertical; min-height: 120px; }
.cf-submit {
  width: 100%; padding: 0.9rem 1.5rem; border-radius: 50px;
  background: var(--grad); color: #fff; font-weight: 700;
  font-family: 'Inter', sans-serif; font-size: 0.92rem;
  border: none; cursor: pointer; transition: opacity 0.2s, transform 0.2s;
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 0.5rem;
}
.cf-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.cf-submit-arrow {
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
}
.cf-submit-arrow svg { width: 14px; height: 14px; stroke: #fff; fill: none; stroke-width: 2; stroke-linecap: round; }
.form-success {
  display: none; background: #f0fdf4; border: 1px solid #86efac;
  border-radius: 12px; padding: 1rem 1.25rem; margin-top: 1rem;
  font-size: 0.88rem; color: #15803d; font-weight: 500;
}

@media(max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .cf-row { grid-template-columns: 1fr; }
}


/* ═══════════════════════════════════════════════
   PAGE HERO (inner pages)
   ═══════════════════════════════════════════════ */
.page-hero {
  background: var(--hero-bg);
  padding: 5.5rem 3.5rem 4rem;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 70% 50%, rgba(0,160,255,0.22) 0%, transparent 65%);
}
.page-hero-inner { position: relative; z-index: 1; max-width: 700px; }
.page-breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; color: rgba(255,255,255,0.6);
  letter-spacing: 0.06em; margin-bottom: 1.5rem;
}
.page-breadcrumb a { color: rgba(255,255,255,0.6); text-decoration: none; }
.page-breadcrumb a:hover { color: #fff; }
.page-breadcrumb .sep { color: rgba(255,255,255,0.35); }
.page-breadcrumb .current { color: var(--green); }
.page-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700; color: #fff;
  line-height: 1.05; letter-spacing: -0.03em;
  margin-bottom: 1.2rem;
}
.page-title em { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; color: var(--green); }
.page-subtitle { font-size: 1rem; color: rgba(255,255,255,0.82); line-height: 1.8; max-width: 520px; }

@media(max-width: 768px) { .page-hero { padding: 5rem 1.5rem 3.5rem; } }


/* ═══════════════════════════════════════════════
   IMAGE CARDS / PLACEHOLDERS
   ═══════════════════════════════════════════════ */
.img-ph {
  background: var(--panel); border: 2px dashed var(--border);
  border-radius: 14px; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: var(--muted2); font-size: 0.82rem; text-align: center;
  gap: 0.6rem; padding: 2rem;
}
.img-ph svg { width: 28px; height: 28px; stroke: var(--muted2); fill: none; stroke-width: 1.5; opacity: 0.5; }

/* About page team/image section */
.about-image-block {
  border-radius: 20px; overflow: hidden;
  background: linear-gradient(135deg, #0c73ea, #18c88d);
  height: 380px; display: flex; align-items: center; justify-content: center;
}
.about-image-block img { width: 100%; height: 100%; object-fit: cover; }

/* Project cards */
.proj-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2rem; }
.proj-card {
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border); background: var(--white);
  transition: box-shadow 0.25s, transform 0.25s;
}
.proj-card:hover { box-shadow: 0 8px 28px rgba(0,0,0,0.1); transform: translateY(-4px); }
.proj-card-img { height: 200px; background: linear-gradient(135deg, #0c73ea, #18c88d); position: relative; overflow: hidden; }
.proj-card-img img { width: 100%; height: 100%; object-fit: cover; }
.proj-card-body { padding: 1.5rem; }
.proj-card-tag   { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); margin-bottom: 0.5rem; }
.proj-card-title { font-size: 0.95rem; font-weight: 700; color: var(--text); line-height: 1.4; margin-bottom: 0.4rem; }
.proj-card-meta  { font-size: 0.78rem; color: var(--muted); }

@media(max-width: 900px) { .proj-card-grid { grid-template-columns: 1fr 1fr; } }
@media(max-width: 600px) { .proj-card-grid { grid-template-columns: 1fr; } }


/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
footer {
  background: linear-gradient(135deg, #0b6be0 0%, #0fb7e8 55%, #15c88a 100%);
  padding: 4.5rem 3.5rem 2rem; color: rgba(255,255,255,0.96);
}
.footer-top {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-logo { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1rem; text-decoration: none; }
.footer-logo img { height: 90px; width: auto; mix-blend-mode: normal; }
.footer-tagline { font-size: 0.84rem; line-height: 1.75; color: rgba(255,255,255,0.85); margin-bottom: 1.5rem; max-width: 230px; }
.footer-social { display: flex; gap: 0.6rem; }
.footer-social a {
  width: 34px; height: 34px; border-radius: 9px;
  background: rgba(255,255,255,0.07); border: 1px solid var(--border-dark);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; text-decoration: none;
}
.footer-social a:hover { background: rgba(255,255,255,0.14); }
.footer-social svg { width: 15px; height: 15px; stroke: rgba(255,255,255,0.6); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.footer-col-title { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.82); margin-bottom: 1.2rem; }
.footer-col-num   { font-size: 0.68rem; color: rgba(255,255,255,0.5); margin-right: 0.4rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.footer-links a { font-size: 0.83rem; color: rgba(255,255,255,0.88); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-links .highlight a { color: var(--green); font-weight: 600; }
.footer-bottom {
  border-top: 1px solid var(--border-dark); padding-top: 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.75rem; color: rgba(255,255,255,0.75);
}

@media(max-width: 1100px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media(max-width: 600px)  {
  footer { padding: 4rem 1.5rem 2rem; }
  .footer-top { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}