/* =====================================================================
   Sree Infra — Design System & Site Styles
   Brand palette derived from logo: burnt orange #E85A1E, gold #F2B33D
   ===================================================================== */

:root {
  --clr-primary: #4c7a45;
  --clr-primary-dark: #3b6136;
  --clr-accent: #9cbf6b;
  --clr-navy: #43604a;
  --clr-navy-deep: #eef4ea;
  --clr-dark: #22371f;
  --clr-ink: #1f2a1f;
  --clr-body: #566052;
  --clr-paper: #fbfdf9;
  --clr-white: #ffffff;
  --clr-line: #e3eadd;
  --clr-line-soft: rgba(255, 255, 255, 0.14);
  --font-display: "Nunito Sans", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(20, 16, 11, 0.06);
  --shadow-md: 0 14px 40px rgba(20, 16, 11, 0.12);
  --header-h: 84px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ------------------------------------------------------------------ */
/* Reset                                                               */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--clr-body);
  background: var(--clr-paper);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { display: block; max-width: 100%; }
a { color: var(--clr-primary); text-decoration: none; transition: color 0.25s; }
a:hover { color: var(--clr-primary-dark); }
ul[class], ol[class] { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; }

h1, h2, h3, h4 { font-family: var(--font-display); color: var(--clr-ink); line-height: 1.12; font-weight: 800; letter-spacing: -0.03em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); font-weight: 900; }
h2 { font-size: clamp(1.65rem, 3.4vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); }

.container { width: min(1200px, 92%); margin-inline: auto; }
.section { padding-block: clamp(4rem, 9vw, 7.5rem); }
.section-alt { background: var(--clr-white); border-block: 1px solid var(--clr-line); }
.muted { color: var(--clr-body); opacity: 0.75; }
.text-light h1, .text-light h2, .text-light h3 { color: var(--clr-white); }
.cta-band .text-light h2, .cta-band h2.text-light { color: var(--clr-ink); }
.center { text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-display); font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.16em; color: var(--clr-primary);
  margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 34px; height: 2px; background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent)); border-radius: 2px; }
.section-head { max-width: 720px; margin-bottom: clamp(2.2rem, 5vw, 3.5rem); }
.section-head p { margin-top: 1rem; font-size: 1.08rem; }
.section-head.center { margin-inline: auto; }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--clr-dark); color: #fff; padding: 0.7rem 1.2rem; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }

::selection { background: var(--clr-accent); color: var(--clr-dark); }

/* ------------------------------------------------------------------ */
/* Preloader                                                           */
body.is-preloading { overflow: hidden; }
#site-preloader { position: fixed; inset: 0; z-index: 9999; }
.preloader-bg { position: absolute; inset: 0; background: var(--clr-paper); transition: transform 1s cubic-bezier(0.76, 0, 0.24, 1); }
#site-preloader.animate .preloader-bg { transform: scale(22); }
#site-preloader.hide { display: none; }
.preloader-center { position: relative; z-index: 10; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.2rem; padding-inline: 1.5rem; text-align: center; }
.loader-line { overflow: hidden; animation: preloaderLineUp 0.8s cubic-bezier(0.12, 0, 0.39, 0) both; }
.loader-logo { height: 58px; width: auto; background: #fff; border-radius: 12px; padding: 7px 14px; transition: transform 0.55s cubic-bezier(0.12, 0, 0.39, 0); }
.loader-name { font-family: var(--font-display); font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; letter-spacing: 0.01em; color: var(--clr-ink); transition: transform 0.55s cubic-bezier(0.12, 0, 0.39, 0); }
.loader-punch { font-family: var(--font-display); font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.35em; color: var(--clr-primary); transition: transform 0.55s cubic-bezier(0.12, 0, 0.39, 0); }
@keyframes preloaderLineUp { from { transform: translateY(115%); } to { transform: translateY(0); } }
#site-preloader.animate .loader-line-inner,
#site-preloader.animate .loader-logo { transform: translateY(-115%); }

/* ------------------------------------------------------------------ */
/* Buttons                                                             */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  padding: 0.95rem 1.9rem; border-radius: 999px; border: 1.5px solid transparent;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, background 0.3s, color 0.3s, border-color 0.3s;
  will-change: transform;
}
.btn svg { width: 17px; height: 17px; transition: transform 0.3s var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: linear-gradient(135deg, var(--clr-primary), #e4ce4a); color: #fff; box-shadow: 0 10px 26px rgba(187, 163, 57, 0.35); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 32px rgba(187, 163, 57, 0.45); }
.btn-ghost { border-color: rgba(31, 42, 31, 0.45); color: var(--clr-ink); backdrop-filter: blur(4px); background: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(31, 42, 31, 0.06); color: var(--clr-ink); transform: translateY(-2px); }
.btn-outline { border-color: var(--clr-line); color: var(--clr-ink); background: transparent; }
.btn-outline:hover { border-color: var(--clr-primary); color: var(--clr-primary); transform: translateY(-2px); }
.btn-sm { padding: 0.62rem 1.35rem; font-size: 0.88rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.6; pointer-events: none; }

.link-arrow { display: inline-flex; align-items: center; gap: 0.45rem; font-weight: 600; color: var(--clr-ink); }
.link-arrow svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease-out); }
.link-arrow:hover { color: var(--clr-primary); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ------------------------------------------------------------------ */
/* Alerts                                                              */
.alert { display: flex; align-items: flex-start; gap: 0.7rem; padding: 1rem 1.25rem; border-radius: var(--radius); margin-bottom: 1.25rem; font-size: 0.95rem; position: relative; }
.alert svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }
.alert-success { background: #eefaf0; color: #176b31; border: 1px solid #bfe8ca; }
.alert-error { background: #fdf0ec; color: #a03312; border: 1px solid #f3cdc0; }
.alert-info { background: #eff6fd; color: #1d5a94; border: 1px solid #c8dff5; }
.alert-close { margin-left: auto; font-size: 1.3rem; line-height: 1; opacity: 0.6; }
.alert-close:hover { opacity: 1; }

/* ------------------------------------------------------------------ */
/* Forms                                                               */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-weight: 600; font-size: 0.86rem; color: var(--clr-ink); margin-bottom: 0.4rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.85rem 1.05rem; border-radius: 10px;
  border: 1.5px solid var(--clr-line); background: var(--clr-white);
  font: inherit; color: var(--clr-ink); transition: border-color 0.25s, box-shadow 0.25s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--clr-primary); box-shadow: 0 0 0 4px rgba(187, 163, 57, 0.12);
}
.field .hint { font-size: 0.8rem; margin-top: 0.35rem; opacity: 0.7; }
.field-error { color: #b3300f; font-size: 0.83rem; margin-top: 0.35rem; }
input[type="file"] { padding-block: 0.6rem !important; }

/* ------------------------------------------------------------------ */
/* Header / navigation                                                 */
.site-header {
  position: fixed; inset-inline: 0; top: 0; z-index: 90;
  transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
  border-bottom: 1px solid transparent;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; height: var(--header-h); transition: height 0.35s var(--ease-out); }
.site-header.is-scrolled { background: rgba(250, 248, 244, 0.88); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: var(--shadow-sm); border-color: var(--clr-line); }
.site-header.is-scrolled .header-inner { height: 68px; }
.brand img { width: auto; height: 46px; object-fit: contain; transition: height 0.3s; }
.site-header.is-scrolled .brand img { height: 40px; }
.brand { display: flex; flex-direction: column; gap: 2px; }
.brand-tag { font-family: var(--font-display); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--clr-primary); white-space: nowrap; }
.site-header.is-scrolled .brand-tag { display: none; }

.main-nav ul { display: flex; gap: 0.35rem; }
.main-nav a {
  display: block; padding: 0.55rem 0.85rem; font-weight: 500; font-size: 0.94rem;
  color: var(--clr-ink); border-radius: 8px; position: relative;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0.85rem; right: 0.85rem; bottom: 2px;
  height: 2px; background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease-out);
}
.main-nav a:hover, .main-nav a.is-active { color: var(--clr-primary); }
.main-nav a:hover::after, .main-nav a.is-active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 1rem; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: currentColor; border-radius: 2px; transition: transform 0.3s var(--ease-out), opacity 0.3s; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: 0; z-index: 80; background: linear-gradient(160deg, var(--clr-dark), #241708);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity 0.4s, visibility 0.4s;
}
body.nav-open .mobile-nav { opacity: 1; visibility: visible; }
.mobile-nav ul { list-style: none; text-align: center; }
.mobile-nav li { margin-bottom: 0.4rem; }
.mobile-nav li a {
  display: block; padding: 0.55rem 1rem; font-family: var(--font-display); font-size: clamp(1.5rem, 6vw, 2rem);
  font-weight: 600; color: #fff; opacity: 0; transform: translateY(18px); transition: all 0.5s var(--ease-out);
}
body.nav-open .mobile-nav li a { opacity: 1; transform: none; transition-delay: calc(var(--i, 0) * 60ms + 80ms); }
.mobile-nav li a.is-active { color: var(--clr-accent); }
.mobile-nav .btn { margin-top: 1.6rem; opacity: 0; transform: translateY(18px); transition: all 0.5s var(--ease-out) 0.45s; }
body.nav-open .mobile-nav .btn { opacity: 1; transform: none; }

/* On dark hero, unscrolled header uses light ink */
body.has-hero-header .site-header:not(.is-scrolled) .main-nav a,
body.has-hero-header .site-header:not(.is-scrolled) .nav-toggle span { color: #fff; background: #fff; }
body.has-hero-header .site-header:not(.is-scrolled) .nav-toggle span { background: #fff; }

/* ------------------------------------------------------------------ */
/* Hero                                                                */
.hero { position: relative; min-height: 100dvh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; color: #fff; }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; animation: heroZoom 14s var(--ease-out) forwards; }
@keyframes heroZoom { from { transform: scale(1.14); } to { transform: scale(1); } }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(251, 253, 249, 0.72) 0%, rgba(251, 253, 249, 0.38) 45%, rgba(251, 253, 249, 0.85) 100%);
}
.hero-content { position: relative; z-index: 2; width: min(1100px, 92%); margin-inline: auto; padding-block: 140px 120px; color: var(--clr-ink); }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--font-display);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--clr-primary); border: 1px solid rgba(76, 122, 69, 0.4); border-radius: 999px;
  background: rgba(255, 255, 255, 0.55); backdrop-filter: blur(3px);
  padding: 0.5rem 1.3rem; margin-bottom: 1.8rem;
}
.hero h1 { color: var(--clr-ink); max-width: 15ch; margin-inline: auto; font-size: clamp(2.9rem, 7.4vw, 5.9rem); letter-spacing: -0.04em; line-height: 1.04; }
.hero-sub { max-width: 58ch; margin: 1.6rem auto 0; font-size: clamp(1.06rem, 1.7vw, 1.28rem); line-height: 1.65; color: rgba(31, 42, 31, 0.78); }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.9rem; margin-top: 2.6rem; }
.hero-stats-strip { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3.5rem); margin-top: clamp(2.5rem, 6vw, 4.5rem); }
.hero-stat b { display: block; font-family: var(--font-display); font-size: 1.7rem; color: var(--clr-primary); }
.hero-stat span { font-size: 0.86rem; color: rgba(31, 42, 31, 0.65); }

.scroll-indicator {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 2;
  width: 26px; height: 44px; border: 2px solid rgba(31, 42, 31, 0.4); border-radius: 999px;
}
.scroll-indicator::before {
  content: ""; position: absolute; top: 8px; left: 50%; width: 4px; height: 9px;
  background: var(--clr-accent); border-radius: 4px; transform: translateX(-50%);
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot { 0%, 100% { transform: translate(-50%, 0); opacity: 1; } 70% { transform: translate(-50%, 15px); opacity: 0.15; } }

/* ------------------------------------------------------------------ */
/* Reveal-on-scroll                                                    */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); transition-delay: var(--d, 0ms); will-change: opacity, transform; }
.reveal.in-view { opacity: 1; transform: none; }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

/* ------------------------------------------------------------------ */
/* Intro split                                                         */
.intro-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2.5rem, 6vw, 5.5rem); align-items: center; }
.intro-media { position: relative; }
.intro-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.intro-media::before {
  content: ""; position: absolute; inset: 24px -24px -24px 24px;
  border-radius: var(--radius-lg); border: 1.5px dashed rgba(187, 163, 57, 0.5); z-index: -1;
}
.intro-experience {
  position: absolute; right: -18px; bottom: 36px; background: var(--clr-dark); color: #fff;
  padding: 1.1rem 1.5rem; border-radius: var(--radius); box-shadow: var(--shadow-md); text-align: center;
}
.intro-experience b { display: block; font-family: var(--font-display); font-size: 1.9rem; color: var(--clr-accent); }
.intro-experience span { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; opacity: 0.85; }
.intro-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem 1.4rem; margin-top: 1.8rem; }
.intro-point { display: flex; gap: 0.7rem; align-items: flex-start; font-weight: 500; color: var(--clr-ink); font-size: 0.96rem; }
.intro-point svg { width: 19px; height: 19px; color: var(--clr-primary); flex-shrink: 0; margin-top: 2px; }
.intro-copy p { margin-top: 1.2rem; }
.intro-copy .btn { margin-top: 2rem; }

/* ------------------------------------------------------------------ */
/* Stats                                                               */
.stats-band { background: linear-gradient(135deg, #eef4ea 0%, #dcead8 55%, #eef4ea 100%); color: var(--clr-ink); }
.stats-band.text-light h2, .stats-band .stat-label, .stats-band .text-light h2 { color: var(--clr-ink); }
.section-dark { background: linear-gradient(160deg, #f3f8f0 0%, #e2eeda 50%, #f3f8f0 100%); color: var(--clr-body); border-block: none; }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--clr-ink); }
.section-dark .eyebrow { color: var(--clr-accent); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.stat-item { text-align: center; padding: 1rem; }
.stat-value { font-family: var(--font-display); font-size: clamp(2.4rem, 4.6vw, 3.6rem); font-weight: 800; color: var(--clr-accent); letter-spacing: -0.02em; }
.stat-label { margin-top: 0.35rem; font-size: 0.95rem; color: rgba(255, 255, 255, 0.78); }
.stat-item + .stat-item { border-left: 1px solid var(--clr-line-soft); }

/* ------------------------------------------------------------------ */
/* Service cards                                                       */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.service-card {
  position: relative; background: var(--clr-white); border: 1px solid var(--clr-line);
  border-radius: var(--radius-lg); padding: 2.1rem 1.9rem; display: flex; flex-direction: column; gap: 1rem;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s, border-color 0.45s; overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease-out);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(187, 163, 57, 0.12), rgba(242, 179, 61, 0.18)); color: var(--clr-primary);
}
.service-icon svg { width: 27px; height: 27px; }
.service-card h3 a { color: inherit; }
.service-card h3 a:hover { color: var(--clr-primary); }
.service-card p { font-size: 0.95rem; flex-grow: 1; }
.card-link-arrow { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; font-size: 0.9rem; color: var(--clr-primary); }
.card-link-arrow svg { width: 15px; height: 15px; transition: transform 0.3s var(--ease-out); }
.card-link-arrow:hover svg { transform: translateX(4px); }

/* ------------------------------------------------------------------ */
/* Projects                                                            */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-bottom: 2.6rem; }
.filter-btn {
  padding: 0.55rem 1.3rem; border-radius: 999px; border: 1.5px solid var(--clr-line);
  font-weight: 500; font-size: 0.9rem; color: var(--clr-ink); background: var(--clr-white);
  transition: all 0.3s;
}
.filter-btn:hover { border-color: var(--clr-primary); color: var(--clr-primary); }
.filter-btn.is-active { background: var(--clr-dark); border-color: var(--clr-dark); color: #fff; }

.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.7rem; }
.project-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--clr-dark);
  aspect-ratio: 4 / 3.1; isolation: isolate;
}
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out), opacity 0.4s; }
.project-card:hover img { transform: scale(1.07); opacity: 0.85; }
.project-card::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(185deg, transparent 42%, rgba(12, 9, 5, 0.94) 96%);
}
.project-info { position: absolute; inset-inline: 0; bottom: 0; z-index: 2; padding: 1.5rem 1.6rem; color: #fff; }
.project-cat {
  display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--clr-accent); margin-bottom: 0.5rem;
}
.project-info h3 { color: #fff; font-size: 1.18rem; }
.project-meta { display: flex; flex-wrap: wrap; gap: 0.35rem 1.1rem; margin-top: 0.55rem; font-size: 0.85rem; color: rgba(255, 255, 255, 0.75); }
.project-meta span { display: inline-flex; align-items: center; gap: 0.35rem; }
.project-meta svg { width: 13px; height: 13px; }
.project-desc { margin-top: 0.6rem; font-size: 0.88rem; color: rgba(255, 255, 255, 0.66); max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.5s var(--ease-out), opacity 0.5s; }
.project-card:hover .project-desc, .project-card:focus-within .project-desc { max-height: 90px; opacity: 1; }
.project-card > .project-link-cover { position: absolute; inset: 0; z-index: 3; }

.projects-grid.is-filtering .project-card { display: none; }
.projects-grid.is-filtering .project-card.show { display: block; animation: fadeUp 0.5s var(--ease-out); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

/* ------------------------------------------------------------------ */
/* CTA band                                                            */
.cta-band { position: relative; overflow: hidden; color: var(--clr-ink); }
.cta-band .cta-bg { position: absolute; inset: 0; }
.cta-band .cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(251, 253, 249, 0.94) 25%, rgba(226, 240, 218, 0.78)); }
.cta-inner { position: relative; z-index: 2; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem; padding-block: clamp(3.4rem, 7vw, 5.5rem); }
.cta-inner p { color: rgba(255, 255, 255, 0.78); margin-top: 0.7rem; }

/* ------------------------------------------------------------------ */
/* Inner-page hero                                                     */
.page-hero { position: relative; padding: calc(var(--header-h) + clamp(3.4rem, 8vw, 6.5rem)) 0 clamp(3.4rem, 8vw, 6rem); background: var(--clr-dark); color: #fff; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 88% -20%, rgba(187, 163, 57, 0.4), transparent 52%),
    radial-gradient(circle at -10% 120%, rgba(242, 179, 61, 0.16), transparent 45%);
}
.page-hero .container { position: relative; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 0.45rem; font-size: 0.85rem; color: rgba(255, 255, 255, 0.62); margin-bottom: 1.2rem; }
.breadcrumbs a { color: rgba(255, 255, 255, 0.85); }
.breadcrumbs a:hover { color: var(--clr-accent); }
.breadcrumbs .sep { opacity: 0.45; }
.page-hero h1 { color: #fff; max-width: 22ch; }
.page-hero .lead { max-width: 62ch; margin-top: 1.1rem; color: rgba(255, 255, 255, 0.8); font-size: 1.06rem; }

/* ------------------------------------------------------------------ */
/* Timeline (About)                                                    */
.timeline { position: relative; margin-top: 1rem; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--clr-primary), var(--clr-accent)); border-radius: 2px; }
.timeline-item { position: relative; padding: 0 0 2.2rem 1.4rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -33px; top: 4px; width: 17px; height: 17px;
  border-radius: 50%; background: var(--clr-paper); border: 4px solid var(--clr-primary);
}
.timeline-year { font-family: var(--font-display); font-weight: 700; color: var(--clr-primary); font-size: 1.05rem; }
.timeline-item h3 { margin: 0.2rem 0 0.35rem; font-size: 1.12rem; }
.timeline-item p { font-size: 0.95rem; }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.value-card { background: var(--clr-white); border: 1px solid var(--clr-line); border-radius: var(--radius); padding: 1.7rem 1.6rem; transition: transform 0.4s var(--ease-out), box-shadow 0.4s; }
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); }
.value-card h3 { font-size: 1.05rem; margin-bottom: 0.45rem; }
.value-card p { font-size: 0.92rem; }
.value-num { font-family: var(--font-display); font-size: 0.85rem; font-weight: 700; color: var(--clr-accent); display: block; margin-bottom: 0.7rem; }

.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.4rem, 6vw, 5rem); align-items: center; }
.split-section .media img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; box-shadow: var(--shadow-md); aspect-ratio: 16 / 11; }
.check-list { list-style: none; margin-top: 1.4rem; display: grid; gap: 0.75rem; }
.check-list li { display: flex; gap: 0.7rem; align-items: flex-start; }
.check-list svg { width: 20px; height: 20px; color: var(--clr-primary); flex-shrink: 0; margin-top: 3px; }

/* ------------------------------------------------------------------ */
/* Industries                                                          */
.industries-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.industry-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3; isolation: isolate; }
.industry-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out); }
.industry-card:hover img { transform: scale(1.06); }
.industry-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(190deg, rgba(14, 10, 5, 0.1) 30%, rgba(14, 10, 5, 0.9) 100%); }
.industry-body { position: absolute; inset-inline: 0; bottom: 0; z-index: 2; padding: 1.6rem; color: #fff; }
.industry-body h3 { color: #fff; }
.industry-body p { font-size: 0.92rem; color: rgba(255, 255, 255, 0.8); max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.5s var(--ease-out), opacity 0.5s; }
.industry-card:hover .industry-body p, .industry-card:focus-within .industry-body p { max-height: 110px; opacity: 1; margin-top: 0.5rem; }

.capability-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; margin-top: 2rem; }
.capability-chip { background: var(--clr-white); border: 1px solid var(--clr-line); border-radius: 999px; padding: 0.65rem 1.3rem; font-size: 0.92rem; font-weight: 500; color: var(--clr-ink); display: inline-flex; align-items: center; gap: 0.5rem; }
.capability-chip svg { width: 15px; height: 15px; color: var(--clr-primary); }

/* ------------------------------------------------------------------ */
/* Sustainability                                                      */
.sus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.sus-card { background: var(--clr-white); border: 1px solid var(--clr-line); border-radius: var(--radius-lg); padding: 1.9rem 1.7rem; transition: transform 0.4s var(--ease-out), box-shadow 0.4s; }
.sus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); }
.sus-card .service-icon { margin-bottom: 1rem; }
.sus-card p { font-size: 0.93rem; margin-top: 0.5rem; }
.sus-stat { margin-top: 1.1rem; padding-top: 1rem; border-top: 1px dashed var(--clr-line); }
.sus-stat b { font-family: var(--font-display); font-size: 1.5rem; color: var(--clr-primary); display: block; }
.sus-stat span { font-size: 0.84rem; }

/* ------------------------------------------------------------------ */
/* Careers                                                             */
.job-list { display: grid; gap: 1.1rem; }
.job-card { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem; background: var(--clr-white); border: 1px solid var(--clr-line); border-radius: var(--radius); padding: 1.5rem 1.7rem; transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease-out); }
.job-card:hover { border-color: rgba(187, 163, 57, 0.5); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.job-main { flex: 1 1 340px; }
.job-title { font-size: 1.15rem; }
.job-title a { color: inherit; } .job-title a:hover { color: var(--clr-primary); }
.job-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.65rem; }
.tag { font-size: 0.76rem; font-weight: 600; padding: 0.28rem 0.75rem; border-radius: 999px; background: rgba(187, 163, 57, 0.09); color: var(--clr-primary-dark); }
.tag.gold { background: rgba(242, 179, 61, 0.16); color: #8a6210; }
.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; }
.benefit-card { background: var(--clr-white); border: 1px solid var(--clr-line); border-radius: var(--radius); padding: 1.5rem 1.4rem; text-align: center; }
.benefit-card .service-icon { margin-inline: auto; margin-bottom: 0.9rem; }
.benefit-card p { font-size: 0.9rem; }

.detail-layout { display: grid; grid-template-columns: 1fr 360px; gap: 3rem; align-items: start; }
.side-card { background: var(--clr-white); border: 1px solid var(--clr-line); border-radius: var(--radius); padding: 1.8rem; position: sticky; top: calc(var(--header-h) + 20px); }
.spec-list { list-style: none; display: grid; gap: 0.9rem; }
.spec-list dt { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--clr-body); opacity: 0.7; }
.spec-list dd { font-weight: 600; color: var(--clr-ink); margin-top: 0.15rem; }

/* ------------------------------------------------------------------ */
/* Blog                                                                */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.7rem; }
.post-card { background: var(--clr-white); border: 1px solid var(--clr-line); border-radius: var(--radius-lg); overflow: hidden; transition: transform 0.4s var(--ease-out), box-shadow 0.4s; display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); }
.post-thumb { aspect-ratio: 16 / 9.4; overflow: hidden; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease-out); }
.post-card:hover .post-thumb img { transform: scale(1.06); }
.post-body { padding: 1.5rem 1.6rem 1.7rem; display: flex; flex-direction: column; flex-grow: 1; gap: 0.6rem; }
.post-date-row { display: flex; gap: 0.9rem; font-size: 0.8rem; color: var(--clr-body); opacity: 0.75; }
.post-body h3 { font-size: 1.12rem; line-height: 1.35; }
.post-body h3 a { color: inherit; } .post-body h3 a:hover { color: var(--clr-primary); }
.post-body p { font-size: 0.92rem; flex-grow: 1; }

.featured-post { display: grid; grid-template-columns: 1.15fr 1fr; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--clr-line); background: var(--clr-white); margin-bottom: 3rem; }
.featured-post .post-thumb { aspect-ratio: auto; min-height: 320px; }
.featured-post .post-body { justify-content: center; padding: clamp(1.8rem, 4vw, 3rem); }
.featured-post h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); }

.prose { font-size: 1.05rem; max-width: 760px; }
.prose p, .prose ul, .prose ol { margin-block: 1.1rem; color: #4d4842; }
.prose h2, .prose h3 { margin-top: 2.2rem; margin-bottom: 0.7rem; }
.prose ul { padding-left: 1.3rem; list-style: disc; }
.prose img { border-radius: var(--radius); margin-block: 1.6rem; }
.prose blockquote { border-left: 3px solid var(--clr-primary); padding-left: 1.2rem; font-style: italic; margin-block: 1.4rem; }
.post-meta-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 1.4rem; font-size: 0.9rem; color: var(--clr-body); }
.avatar-circle { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent)); color: #fff; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; }
.share-row { display: flex; align-items: center; gap: 0.6rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--clr-line); }
.share-row a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--clr-line); display: grid; place-items: center; color: var(--clr-ink); transition: all 0.3s; }
.share-row a:hover { background: var(--clr-dark); color: #fff; border-color: var(--clr-dark); }
.share-row svg { width: 16px; height: 16px; }

.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin-block: 1.8rem; }
.gallery-grid img { width: 100%; border-radius: var(--radius); aspect-ratio: 16/10.5; object-fit: cover; }

/* ------------------------------------------------------------------ */
/* Contact                                                             */
.contact-grid { display: grid; grid-template-columns: 380px 1fr; gap: 2.6rem; align-items: start; }
.contact-info-card { background: var(--clr-dark); color: #fff; border-radius: var(--radius-lg); padding: 2.2rem; position: sticky; top: calc(var(--header-h) + 20px); }
.contact-info-card h3 { color: #fff; margin-bottom: 1.4rem; }
.contact-line { display: flex; gap: 0.9rem; padding-block: 0.85rem; border-bottom: 1px solid var(--clr-line-soft); font-size: 0.95rem; }
.contact-line:last-of-type { border-bottom: 0; }
.contact-line svg { width: 19px; height: 19px; color: var(--clr-accent); flex-shrink: 0; margin-top: 3px; }
.contact-line a { color: #fff; }
.contact-line a:hover { color: var(--clr-accent); }
.map-embed { width: 100%; border: 0; border-radius: var(--radius-lg); filter: grayscale(0.9) contrast(1.05); min-height: 420px; }

/* ------------------------------------------------------------------ */
/* Legal pages                                                         */
.legal-doc { counter-reset: h2; }
.legal-doc h2 { margin-top: 2.4rem; font-size: 1.4rem; }
.legal-doc p { margin-block: 1rem; }

/* ------------------------------------------------------------------ */
/* Pagination                                                          */
.pagination ul { display: flex; justify-content: center; gap: 0.45rem; list-style: none; }
.pagination a, .pagination span { min-width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; border: 1px solid var(--clr-line); font-weight: 500; color: var(--clr-ink); background: var(--clr-white); }
.pagination .is-active { background: var(--clr-dark); border-color: var(--clr-dark); color: #fff; }
.pagination a:hover { border-color: var(--clr-primary); color: var(--clr-primary); }

/* ------------------------------------------------------------------ */
/* Footer                                                              */
.site-footer { background: var(--clr-dark); color: rgba(255, 255, 255, 0.72); margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 2.6rem; padding-block: clamp(3rem, 6vw, 4.5rem) 2.6rem; }
.footer-brand img { height: 48px; width: auto; object-fit: contain; margin-bottom: 1.2rem; background: #fff; padding: 6px 10px; border-radius: 10px; }
.footer-brand p { font-size: 0.93rem; max-width: 34ch; }
.footer-tagline { font-style: italic; color: var(--clr-accent, #f2b33d); }
.footer-social { display: flex; gap: 0.6rem; margin-top: 1.4rem; }
.footer-social a { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--clr-line-soft); display: grid; place-items: center; color: rgba(255,255,255,0.75); transition: all 0.3s; }
.footer-social a:hover { background: var(--clr-primary); border-color: var(--clr-primary); color: #fff; transform: translateY(-3px); }
.footer-social svg { width: 16px; height: 16px; }
.footer-col h3 { color: #fff; font-size: 0.95rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1.2rem; }
.footer-col ul { list-style: none; display: grid; gap: 0.55rem; }
.footer-col a { color: rgba(255, 255, 255, 0.72); font-size: 0.93rem; }
.footer-col a:hover { color: var(--clr-accent); padding-left: 3px; }
.footer-col address { font-style: normal; display: grid; gap: 0.5rem; font-size: 0.93rem; }
.footer-col address a { color: var(--clr-accent); }
.footer-bottom { border-top: 1px solid var(--clr-line-soft); }
.footer-bottom-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.4rem; font-size: 0.85rem; }
.footer-bottom-inner ul { display: flex; gap: 1.4rem; list-style: none; }
.footer-bottom-inner a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom-inner a:hover { color: var(--clr-accent); }

/* Back to top */
.to-top { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 46px; height: 46px; border-radius: 12px; background: var(--clr-primary); color: #fff; display: grid; place-items: center; box-shadow: 0 10px 24px rgba(232,90,30,.4); opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .35s var(--ease-out); }
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { transform: translateY(-3px); }
.to-top svg { width: 19px; height: 19px; }

/* ------------------------------------------------------------------ */
/* Responsive                                                          */
@media (max-width: 1080px) {
  .services-grid, .projects-grid, .sus-grid, .value-grid, .industries-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  :root { --header-h: 70px; }
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .intro-grid, .split-section { grid-template-columns: 1fr; }
  .intro-media::before { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 2.4rem; }
  .stat-item + .stat-item { border-left: 0; }
  .featured-post { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-content { padding-block: 130px 90px; }
  .brand img { height: 40px; }
}

@media (max-width: 560px) {
  .services-grid, .projects-grid, .sus-grid, .value-grid, .industries-grid, .post-grid, .benefit-grid, .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom-inner { justify-content: center; text-align: center; }
  .intro-points { grid-template-columns: 1fr; }
  .intro-experience { right: 10px; bottom: 14px; padding: 0.8rem 1.1rem; }
  .job-card { flex-direction: column; align-items: flex-start; }
  .scroll-indicator { display: none; }
}

/* ------------------------------------------------------------------ */
/* Reduced motion                                                      */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-media img { animation: none; }
}