/* =========================================================
   GREYHARBOUR SECURITY — MAIN STYLESHEET
   ---------------------------------------------------------
   Structure:
   01. Variables & Global
   02. Header / Navigation
   03. HOME / Hero
   04. Shared Section Styles
   05. Introduction
   06. Services
   07. Approach
   08. About
   09. Contact
   10. Footer
   11. Animations
   12. Responsive — Tablet
   13. Responsive — Mobile
   ========================================================= */


/* =========================================================
   01. VARIABLES & GLOBAL
   ========================================================= */

:root {
  --navy: #061526;
  --navy2: #0a1d2d;
  --char: #151d26;
  --off: #f2f1ec;
  --slate: #394552;
  --green: #35d58a;
  --muted: #697781;
  --line: #d9ddd9;
  --white: #fff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'DM Sans', sans-serif;
  color: var(--navy);
  background: var(--off);
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: min(1180px, calc(100% - 64px));
  margin: auto;
}

.progress {
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  height: 3px;
  width: 0;
  background: var(--green);
}


/* =========================================================
   02. HEADER / NAVIGATION
   ========================================================= */

.site-header {
  height: 82px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 38px;
  color: #fff;
  transition: .3s;
  background: linear-gradient(rgba(6, 21, 38, .86), transparent);
}

.site-header.scrolled {
  background: rgba(6, 21, 38, .96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 48px;
  object-fit: contain;
}

.brand span {
  display: flex;
  flex-direction: column;
}

.brand b {
  font: 800 15px Manrope;
  letter-spacing: .14em;
}

.brand small {
  color: var(--green);
  font-size: 8px;
  letter-spacing: .38em;
  margin-top: 3px;
}

nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

nav a {
  opacity: .72;
  transition: .25s;
}

nav a:hover,
nav a.active {
  opacity: 1;
  color: #fff;
}

nav a.active:after {
  content: '';
  display: block;
  height: 2px;
  width: 18px;
  background: var(--green);
  margin-top: 7px;
}

.nav-cta {
  opacity: 1 !important;
  border: 1px solid rgba(53, 213, 138, .65);
  padding: 12px 16px;
  color: #fff !important;
}

.nav-cta:hover {
  background: var(--green);
  color: var(--navy) !important;
}

.menu {
  display: none;
  background: none;
  border: 0;
}

.menu i {
  display: block;
  width: 25px;
  height: 2px;
  background: #fff;
  margin: 5px;
}


/* =========================================================
   03. HOME / HERO
   ---------------------------------------------------------
   Main landing-page section.
   Change hero height/min-height here.
   ========================================================= */

.hero {
  min-height: 0;
  height: 75vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
  color: #fff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('assets/hero-background.jpg') center top / cover no-repeat;
  transform: scale(1.04);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(3, 12, 22, .96) 0%,
      rgba(3, 12, 22, .83) 31%,
      rgba(3, 12, 22, .28) 62%,
      rgba(3, 12, 22, .05)
    ),
    linear-gradient(
      0deg,
      rgba(3, 12, 22, .62),
      transparent 38%
    );
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(53, 213, 138, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 213, 138, .04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(#000, transparent 85%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  transform: translateY(-30px);
}

.hero-copy {
  max-width: 700px;
}

.eyebrow,
.label {
  font-size: 9px;
  letter-spacing: .25em;
  font-weight: 800;
  color: var(--green);
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 26px;
}

.eyebrow span {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(53, 213, 138, .1);
}

.eyebrow-2 {
  font-size: 11px;
  letter-spacing: .26em;
  color: #aab5bb;
  margin: 0 0 15px;
  font-weight: 700;
}

.hero h1 {
  font: 800 clamp(48px, 6.1vw, 86px) / .98 Manrope;
  letter-spacing: -.055em;
  margin: 0;
  max-width: 850px;
}

.hero h1 em,
h2 em,
h3 em {
  font-style: normal;
  color: var(--green);
}

.lead {
  max-width: 625px;
  color: #c2ccd0;
  font-size: 15px;
  line-height: 1.75;
  margin: 25px 0;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 27px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 15px 19px;
  border: 1px solid transparent;
  text-transform: uppercase;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .15em;
  transition: .25s;
  cursor: pointer;
}

.btn b {
  font-size: 15px;
  font-weight: 500;
}

.btn-green {
  background: var(--green);
  color: var(--navy);
  border-color: var(--green);
}

.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(53, 213, 138, .2);
}

.btn-light {
  color: #fff;
  border-color: rgba(255, 255, 255, .35);
}

.btn-light:hover {
  border-color: var(--green);
  color: var(--green);
}

.btn-dark {
  background: var(--navy);
  color: #fff;
}

.pillars {
  display: flex;
  align-items: stretch;
  margin-top: 36px;
  max-width: 660px;
}

.pillars div {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-right: 24px;
}

.pillars div:nth-of-type(2) {
  padding-left: 24px;
}

.pillars i {
  width: 1px;
  background: rgba(255, 255, 255, .22);
}

.pillars b {
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--green);
}

.pillars span {
  font-size: 10px;
  color: #91a0a9;
}

.hero-note {
  position: absolute;
  right: 0;
  bottom: 8%;
  border-left: 1px solid rgba(53, 213, 138, .5);
  padding-left: 16px;
  color: #82919a;
  font-size: 8px;
  letter-spacing: .16em;
  line-height: 1.8;
}

.hero-note span {
  color: var(--green);
  font-size: 11px;
}

.hero-note p {
  margin: 0;
}

.hero-note b {
  color: #d4dcdf;
  font-weight: 600;
}

.scroll {
  position: absolute;
  z-index: 3;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 7px;
  letter-spacing: .3em;
  color: #94a2a9;
}

.scroll span {
  width: 1px;
  height: 31px;
  background: linear-gradient(var(--green), transparent);
}


/* =========================================================
   04. SHARED SECTION STYLES
   ========================================================= */

.section-light {
  background: var(--off);
}

.section-dark {
  background: var(--navy);
  color: #fff;
}

.intro h2,
.section-head h2,
.about h2,
.contact h2 {
  font: 800 clamp(42px, 5vw, 68px) / 1.02 Manrope;
  letter-spacing: -.05em;
  margin: 13px 0 0;
}

.section-head.dark > p {
  color: #91a0a9;
}


/* =========================================================
   05. INTRODUCTION
   ========================================================= */

.intro {
  padding: 115px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 90px;
  align-items: end;
}

.intro-copy {
  max-width: 480px;
  color: #5f6c72;
  font-size: 15px;
  line-height: 1.85;
}

.arrow-link {
  display: inline-flex;
  gap: 25px;
  color: var(--navy);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
  border-bottom: 1px solid #aab3b2;
  padding-bottom: 8px;
  margin-top: 17px;
}

.arrow-link span {
  color: var(--green);
  font-size: 15px;
}


/* =========================================================
   06. SERVICES
   ---------------------------------------------------------
   Service cards and assessment/report output block.
   ========================================================= */

.services {
  padding: 20px 0 125px;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 80px;
  align-items: end;
  margin-bottom: 55px;
}

.section-head > p {
  color: #69747a;
  line-height: 1.75;
  font-size: 14px;
  margin: 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  position: relative;
  background: var(--navy);
  color: #fff;
  padding: 31px 30px 30px;
  min-height: 555px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #183041;
  transition: .35s;
}

.card:before {
  content: '';
  position: absolute;
  inset: auto -50px -80px auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(53, 213, 138, .05);
  filter: blur(4px);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(53, 213, 138, .55);
  box-shadow: 0 25px 60px rgba(6, 21, 38, .14);
}

.card.featured {
  background: #0b2431;
  border-color: rgba(53, 213, 138, .35);
}

.card-number {
  font-size: 10px;
  color: var(--green);
  letter-spacing: .15em;
}

.icon {
  font-size: 32px;
  color: var(--green);
  height: 70px;
  display: flex;
  align-items: center;
}

.card h3 {
  font: 800 31px / 1.02 Manrope;
  margin: 0 0 16px;
  letter-spacing: -.04em;
}

.card p {
  font-size: 12px;
  line-height: 1.7;
  color: #9caab1;
  margin: 0 0 18px;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  color: #d2d9dc;
  font-size: 10px;
  line-height: 1.6;
}

.card li {
  padding: 7px 0 7px 15px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  position: relative;
}

.card li:before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--green);
}

.card > a {
  margin-top: auto;
  color: var(--green);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .18em;
}

.card > a span {
  font-size: 15px;
  margin-left: 15px;
}

.output {
  margin-top: 18px;
  background: #fff;
  border: 1px solid #dfe2de;
  padding: 36px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.output h3 {
  font: 800 30px / 1.05 Manrope;
  margin: 9px 0;
}

.output p:not(.label) {
  color: #6c777c;
  font-size: 12px;
  line-height: 1.6;
}

.report-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.report-tags span {
  border: 1px solid #d5dbd7;
  padding: 10px 11px;
  font-size: 8px;
  letter-spacing: .12em;
  color: #5d696e;
}


/* =========================================================
   07. APPROACH
   ========================================================= */

.approach {
  padding: 125px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.step {
  padding: 30px 24px 0;
  border-right: 1px solid rgba(255, 255, 255, .14);
  min-height: 240px;
}

.step:last-child {
  border-right: 0;
}

.step > span {
  color: var(--green);
  font-size: 9px;
  letter-spacing: .15em;
}

.step-mark {
  font-size: 29px;
  color: #a8b6bc;
  margin: 30px 0 20px;
}

.step h3 {
  font: 800 12px Manrope;
  letter-spacing: .2em;
  margin: 0 0 12px;
}

.step p {
  font-size: 12px;
  line-height: 1.7;
  color: #87969f;
  max-width: 220px;
}


/* =========================================================
   08. ABOUT
   ========================================================= */

.about {
  padding: 125px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}

.about-art {
  height: 570px;
  position: relative;
  background: var(--navy);
  overflow: hidden;
}

.art-bg {
  position: absolute;
  inset: 0;
  background: url('assets/hero-background.jpg') center / cover;
  filter: saturate(.65);
  opacity: .75;
}

.art-bg:after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 21, 38, .9),
    rgba(6, 21, 38, .12)
  );
}

.art-lines {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(53, 213, 138, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 213, 138, .06) 1px, transparent 1px);
  background-size: 52px 52px;
}

.about-art img {
  position: absolute;
  width: 220px;
  height: 250px;
  object-fit: contain;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 0 32px rgba(53, 213, 138, .25));
}

.art-caption {
  position: absolute;
  left: 25px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  color: #fff;
}

.art-caption b {
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--green);
}

.art-caption span {
  font-size: 8px;
  letter-spacing: .15em;
  color: #a1afb5;
  margin-top: 6px;
}

.about-copy > p:not(.label) {
  font-size: 14px;
  line-height: 1.85;
  color: #657177;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 30px 0;
  border-top: 1px solid #d4d9d5;
  border-bottom: 1px solid #d4d9d5;
}

.stats div {
  padding: 18px 0;
}

.stats div + div {
  padding-left: 18px;
  border-left: 1px solid #d4d9d5;
}

.stats b {
  display: block;
  font: 800 24px Manrope;
  color: var(--navy);
}

.stats span {
  font-size: 8px;
  letter-spacing: .17em;
  color: #728087;
}


/* =========================================================
   09. CONTACT
   ========================================================= */

.contact {
  padding: 125px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 100px;
  align-items: start;
}

.contact h2 {
  margin-bottom: 25px;
}

.contact-copy > p:not(.label) {
  color: #9ba9af;
  line-height: 1.8;
  font-size: 14px;
  max-width: 460px;
}

.contact-links {
  margin-top: 35px;
}

.contact-links > a,
.contact-links > div {
  display: flex;
  flex-direction: column;
  padding: 15px 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: #dbe1e3;
  font-size: 14px;
}

.contact-links small {
  color: var(--green);
  font-size: 8px;
  letter-spacing: .2em;
  margin-bottom: 5px;
}

.contact-form {
  background: #fff;
  color: var(--navy);
  padding: 35px;
}

.form-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid #d9ddda;
  padding-bottom: 20px;
  margin-bottom: 25px;
  font-size: 9px;
  letter-spacing: .14em;
}

.form-head span {
  color: #7b878c;
}

.form-head b {
  font-size: 10px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

label {
  display: block;
  font-size: 8px;
  letter-spacing: .15em;
  font-weight: 800;
  color: #56636a;
  margin-bottom: 16px;
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid #d7dcda;
  background: #f8f8f5;
  padding: 13px 12px;
  font: 500 13px 'DM Sans';
  color: var(--navy);
  outline: none;
}

textarea {
  min-height: 125px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(53, 213, 138, .08);
}

.contact-form .btn {
  margin-top: 4px;
}

.form-note {
  display: block;
  color: #899398;
  font-size: 9px;
  margin-top: 15px;
}

.hp {
  display: none;
}


/* =========================================================
   10. FOOTER
   ========================================================= */

.footer {
  background: #04101c;
  color: #fff;
  padding: 70px 0 20px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 55px;
  padding-bottom: 50px;
}

.full-logo {
  width: 190px;
  height: auto;
  max-height: 125px;
  object-fit: contain;
  object-position: left center;
}

.footer-top p {
  max-width: 300px;
  color: #788890;
  font-size: 11px;
  line-height: 1.7;
}

.footer-top > div:not(:first-child) {
  display: flex;
  flex-direction: column;
}

.footer-top b {
  font-size: 8px;
  color: var(--green);
  letter-spacing: .2em;
  margin: 10px 0 18px;
}

.footer-top a,
.footer-top span {
  font-size: 10px;
  color: #87959c;
  margin-bottom: 10px;
}

.footer-top a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  color: #586971;
  font-size: 8px;
  letter-spacing: .08em;
}

.footer-bottom i {
  color: var(--green);
  font-style: normal;
  margin: 0 5px;
}


/* =========================================================
   11. ANIMATIONS
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}


/* =========================================================
   12. RESPONSIVE — TABLET
   ========================================================= */

@media (max-width: 900px) {

  .site-header {
    padding: 0 22px;
  }

  .menu {
    display: block;
  }

  .site-header nav {
    display: none;
    position: absolute;
    top: 82px;
    left: 0;
    right: 0;
    background: rgba(6, 21, 38, .98);
    padding: 20px 22px;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }

  .site-header nav.open {
    display: flex;
  }

  .site-header nav a {
    padding: 5px 0;
  }

  .hero {
    min-height: 720px;
    height: auto;
    padding: 130px 0 80px;
  }

  .hero-note {
    display: none;
  }

  .intro-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 0;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .step:nth-child(2) {
    border-right: 0;
  }

  .output {
    grid-template-columns: 1fr;
  }

  .about-art {
    height: 480px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}


/* =========================================================
   13. RESPONSIVE — MOBILE
   ========================================================= */

@media (max-width: 600px) {

  .container {
    width: min(100% - 36px, 1180px);
  }

  .brand b {
    font-size: 13px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero {
    padding-top: 125px;
  }

  .lead {
    font-size: 13px;
  }

  .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .pillars {
    max-width: none;
  }

  .pillars div {
    padding-right: 12px;
  }

  .pillars div:nth-of-type(2) {
    padding-left: 12px;
  }

  .pillars span {
    font-size: 8px;
  }

  .intro,
  .services,
  .approach,
  .about,
  .contact {
    padding: 80px 0;
  }

  .intro h2,
  .section-head h2,
  .about h2,
  .contact h2 {
    font-size: 42px;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .step {
    border-right: 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, .14);
    padding-bottom: 25px;
  }

  .step:last-child {
    border-bottom: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 25px 20px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 35px;
  }

  .footer-top > div:first-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
  }

  .scroll {
    display: none;
  }
}