/*
Theme Name: Coldstream Operations
Theme URI: https://coldstream.my/
Author: Coldstream Energy Sdn Bhd
Description: A conversion-focused WordPress theme for Coldstream's SME operations services.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.0
Text Domain: coldstream-operations
*/

:root {
  --ink: #092b33;
  --ink-soft: #174a54;
  --teal: #087f79;
  --teal-bright: #5ec4bd;
  --sand: #f5f1e9;
  --paper: #fffdf9;
  --amber: #f4b860;
  --line: #d8e2df;
  --muted: #5f6e70;
  --shadow: 0 22px 50px rgba(8, 45, 53, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.wrap { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1rem;
  color: var(--teal);
  font-size: .78rem;
  font-weight: 760;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: .55rem; height: .55rem; border-radius: 50%; background: var(--amber); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -.04em; line-height: 1.06; }
h1 { max-width: 680px; margin-bottom: 1.35rem; font-size: clamp(3rem, 6.2vw, 5.7rem); font-weight: 760; }
h2 { max-width: 760px; margin-bottom: 1rem; font-size: clamp(2.1rem, 3.6vw, 3.6rem); font-weight: 740; }
h3 { margin-bottom: .7rem; font-size: 1.3rem; font-weight: 720; }
.lede { max-width: 570px; color: #416068; font-size: clamp(1.05rem, 1.45vw, 1.25rem); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .82rem 1.15rem;
  border: 1px solid transparent;
  border-radius: .55rem;
  background: var(--ink);
  color: #fff;
  font-weight: 730;
  transition: transform .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); background: #0e3e48; }
.button.secondary { border-color: #aebfbd; background: transparent; color: var(--ink); }
.button.secondary:hover { background: #edf4f2; }
.button.amber { background: var(--amber); color: var(--ink); }
.button.amber:hover { background: #ffc66f; }
.skip { position: absolute; left: -10000px; top: 0; z-index: 100; padding: 1rem; background: #fff; color: var(--ink); }
.skip:focus { left: 1rem; top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid rgba(216, 226, 223, .8); background: rgba(255, 253, 249, .94); backdrop-filter: blur(12px); }
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 1rem; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { display: block; width: min(174px, 42vw); height: auto; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; color: #456068; font-size: .94rem; font-weight: 650; }
.nav-links a:hover { color: var(--teal); }
.nav-cta { min-height: 42px; padding: .65rem .9rem; font-size: .9rem; }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--ink); font-weight: 750; }

.hero { overflow: hidden; padding: 72px 0 44px; background: linear-gradient(112deg, #f3f0e8 0%, #fdfcf8 54%, #e7f2f0 100%); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: clamp(2.5rem, 6vw, 6rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.hero-note { margin-top: 1.2rem; color: var(--muted); font-size: .88rem; }
.hero-image { position: relative; min-height: 500px; border-radius: 1.1rem; overflow: hidden; box-shadow: var(--shadow); background: #dcebe9; }
.hero-image img { width: 100%; height: 100%; min-height: 500px; object-fit: cover; object-position: center; display: block; }
.image-label { position: absolute; left: 1rem; bottom: 1rem; max-width: 225px; padding: .9rem 1rem; border: 1px solid rgba(255,255,255,.33); border-radius: .65rem; background: rgba(8, 45, 53, .9); color: #fff; box-shadow: 0 10px 25px rgba(0,0,0,.14); }
.image-label span { display: block; color: var(--teal-bright); font-size: .72rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.image-label strong { display: block; margin-top: .25rem; line-height: 1.25; }

.signal { border-bottom: 1px solid var(--line); background: var(--paper); }
.signal-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); }
.signal-intro, .signal-item { padding: 1.6rem 1.35rem; }
.signal-intro { padding-left: 0; color: #3b5d63; font-weight: 650; }
.signal-item { border-left: 1px solid var(--line); }
.signal-item b { display: block; margin-bottom: .18rem; font-size: 1.45rem; letter-spacing: -.05em; }
.signal-item span { color: var(--muted); font-size: .88rem; }

section { padding: 108px 0; }
.section-intro { display: grid; grid-template-columns: 1fr .78fr; gap: 3rem; align-items: end; margin-bottom: 3rem; }
.section-intro p { max-width: 460px; margin-bottom: .2rem; color: var(--muted); }
.challenge { background: var(--ink); color: #fff; }
.challenge .eyebrow { color: var(--teal-bright); }
.challenge .lede { color: #bbd3d2; }
.challenge-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border: 1px solid rgba(255,255,255,.18); border-radius: .9rem; background: rgba(255,255,255,.18); }
.challenge-card { min-height: 190px; padding: 1.45rem; background: #103f49; }
.challenge-card .number { color: var(--amber); font-size: .85rem; font-weight: 760; letter-spacing: .1em; }
.challenge-card p { margin: .8rem 0 0; color: #b8d0cf; font-size: .95rem; }

.stage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stage { display: flex; flex-direction: column; min-height: 365px; padding: 1.45rem; border: 1px solid var(--line); border-radius: .85rem; background: var(--paper); transition: transform .2s ease, box-shadow .2s ease; }
.stage:hover { transform: translateY(-5px); box-shadow: 0 16px 32px rgba(8,45,53,.09); }
.stage-index { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 2rem; border-radius: 50%; background: #dff0ed; color: var(--teal); font-size: .84rem; font-weight: 800; }
.stage p { color: var(--muted); }
.stage ul { margin: auto 0 0; padding: 0; list-style: none; color: var(--ink-soft); font-size: .91rem; }
.stage li { padding: .5rem 0; border-top: 1px solid #e7eeeb; }
.stage li::before { content: "•"; margin-right: .5rem; color: var(--amber); }

.approach { background: var(--sand); }
.approach-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; align-items: center; }
.operating-map { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; position: relative; padding: 1.25rem; border: 1px solid #cbdcd8; border-radius: 1rem; background: rgba(255,255,255,.6); }
.map-center { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; padding: .9rem 1rem; border-radius: .6rem; background: var(--ink); color: #fff; font-weight: 720; }
.map-center small { color: var(--teal-bright); font-size: .72rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.map-node { min-height: 110px; padding: 1rem; border: 1px solid #d6e2df; border-radius: .6rem; background: var(--paper); }
.map-node b { display: block; margin-bottom: .45rem; color: var(--teal); }
.map-node span { color: var(--muted); font-size: .84rem; line-height: 1.35; }
.steps { display: grid; gap: 1.1rem; margin-top: 1.8rem; }
.step { display: grid; grid-template-columns: 40px 1fr; gap: 1rem; align-items: start; }
.step-no { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--amber); color: var(--ink); font-size: .78rem; font-weight: 800; }
.step p { margin: .25rem 0 0; color: var(--muted); }

.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.proof { padding: 1.45rem; border-top: 3px solid var(--teal); background: #edf5f3; }
.proof p { margin: 0; color: #46636a; }
.notice { display: flex; gap: .85rem; margin-top: 1.15rem; padding: 1rem 1.1rem; border-left: 3px solid var(--amber); background: #fff8e9; color: #5c502f; font-size: .91rem; }
.notice strong { color: var(--ink); }

.contact { padding: 84px 0; background: var(--ink); color: #fff; }
.contact-grid { display: grid; grid-template-columns: .87fr 1.13fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact .eyebrow { color: var(--teal-bright); }
.contact .lede { color: #bfd2d1; }
.contact-details { display: grid; gap: .75rem; margin: 1.4rem 0 0; padding: 0; list-style: none; }
.contact-details li { display: grid; gap: .12rem; }
.contact-details b { color: var(--teal-bright); font-size: .73rem; letter-spacing: .09em; text-transform: uppercase; }
.contact-details a { color: #fff; font-weight: 650; }
.contact-details address { color: #d0dfde; font-style: normal; }
.contact-form { padding: 1.2rem; border: 1px solid rgba(255,255,255,.18); border-radius: .9rem; background: rgba(255,255,255,.06); }
.contact-form .wpcf7 > form { margin: 0; }
.contact-form .cf7-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.contact-form .field { display: grid; gap: .35rem; margin: 0; }
.contact-form .field-wide { grid-column: 1 / -1; }
.contact-form label { display: grid; gap: .35rem; color: #fff; font-size: .82rem; font-weight: 680; }
.contact-form .wpcf7-form-control-wrap { display: block; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; min-height: 44px; padding: .65rem .7rem; border: 1px solid rgba(255,255,255,.24); border-radius: .4rem; outline: none; background: rgba(255,255,255,.97); color: var(--ink);
}
.contact-form textarea { min-height: 100px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(244,184,96,.25); }
.contact-form .form-submit { grid-column: 1 / -1; margin: .25rem 0 0; }
.contact-form input[type="submit"] { border: 0; background: var(--amber); color: var(--ink); font-weight: 730; cursor: pointer; }
.contact-form input[type="submit"]:hover { background: #ffc66f; }
.contact-form .form-note { grid-column: 1 / -1; margin: 0; color: #b7cccc; font-size: .78rem; }
.contact-form .wpcf7-not-valid-tip { margin-top: .25rem; color: #ffe08d; font-size: .78rem; }
.contact-form .wpcf7-response-output { grid-column: 1 / -1; margin: .25rem 0 0 !important; padding: .65rem .8rem !important; border: 1px solid var(--teal-bright) !important; color: #fff; font-size: .86rem; }
.contact-form .wpcf7-spinner { margin: 0 0 0 .65rem; }
.cf7-unavailable { margin: 0; color: #d6e5e4; }
.cf7-unavailable a { color: var(--teal-bright); text-decoration: underline; }

.footer { padding: 1.45rem 0; background: #061e25; color: #adbfbe; font-size: .82rem; }
.footer-row { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.footer-legal, .footer-contacts { display: flex; flex-wrap: wrap; gap: .35rem 1rem; }
.footer a:hover { color: #fff; }
.entry { padding: 5rem 0; }
.entry-content { max-width: 760px; }

@media (max-width: 900px) {
  .hero-grid, .section-intro, .approach-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-image, .hero-image img { min-height: 410px; }
  .signal-grid, .stage-grid, .challenge-grid { grid-template-columns: repeat(2, 1fr); }
  .signal-intro { grid-column: 1 / -1; padding-left: 0; }
  .signal-item:nth-child(2) { border-left: 0; }
  .section-intro { gap: .5rem; }
}
@media (max-width: 700px) {
  .wrap { width: min(100% - 32px, 1160px); }
  .nav { min-height: 66px; }
  .menu-toggle { display: inline-flex; }
  .nav-links { display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: .7rem 1rem 1rem; border-bottom: 1px solid var(--line); background: var(--paper); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .75rem .25rem; }
  .nav-cta { margin-top: .4rem; text-align: center; }
  .hero { padding-top: 48px; }
  .hero-image, .hero-image img { min-height: 350px; }
  .signal-grid, .stage-grid, .challenge-grid, .proof-grid, .contact-form .cf7-grid { grid-template-columns: 1fr; }
  .signal-item, .signal-item:nth-child(2) { border-top: 1px solid var(--line); border-left: 0; }
  .stage { min-height: auto; }
  .stage ul { margin-top: 1rem; }
  section { padding: 78px 0; }
  .contact { padding: 68px 0; }
  .contact-form .field-wide, .contact-form .form-submit, .contact-form .form-note, .contact-form .wpcf7-response-output { grid-column: auto; }
  .footer-row { flex-direction: column; align-items: flex-start; }
}