/* ============================================================
   Greater Vantage Sdn Bhd — Stylesheet
   ============================================================ */

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

:root {
  --clr-primary:    #1a4f7a;
  --clr-primary-d:  #113858;
  --clr-accent:     #e8a020;
  --clr-accent-d:   #c8880e;
  --clr-dark:       #0d1b2a;
  --clr-mid:        #2d4a66;
  --clr-light:      #f4f8fb;
  --clr-white:      #ffffff;
  --clr-text:       #333c47;
  --clr-muted:      #6b7a8d;
  --clr-border:     #dce5ed;

  --ff-base:        'Inter', system-ui, sans-serif;
  --fw-light:       300;
  --fw-regular:     400;
  --fw-medium:      500;
  --fw-semi:        600;
  --fw-bold:        700;

  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      20px;

  --shadow-sm:      0 1px 4px rgba(0,0,0,.08);
  --shadow-md:      0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:      0 12px 40px rgba(0,0,0,.14);

  --transition:     .25s ease;
  --section-py:     5rem;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--ff-base);
  color: var(--clr-text);
  background: var(--clr-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--clr-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--clr-accent); }

ul { list-style: none; }

img, svg { display: block; max-width: 100%; }

address { font-style: normal; line-height: 1.8; }

/* ---- Utility ---- */

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-py) 0;
}

.section__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section__label {
  display: inline-block;
  font-size: .75rem;
  font-weight: var(--fw-semi);
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: .75rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: var(--fw-bold);
  color: var(--clr-dark);
  line-height: 1.2;
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 2rem;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: var(--fw-semi);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-align: center;
}

.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-dark);
  border-color: var(--clr-accent);
}

.btn--primary:hover {
  background: var(--clr-accent-d);
  border-color: var(--clr-accent-d);
  color: var(--clr-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,.6);
}

.btn--outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--clr-white);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.btn--full { width: 100%; justify-content: center; }

/* ============================================================
   Header / Navigation
   ============================================================ */

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.header.scrolled {
  background: var(--clr-white);
  box-shadow: var(--shadow-sm);
  padding: .6rem 0;
}

.header.scrolled .nav__logo .logo-text { color: var(--clr-dark); }
.header.scrolled .nav__link           { color: var(--clr-text); }
.header.scrolled .nav__link:hover     { color: var(--clr-primary); }
.header.scrolled .nav__toggle span    { background: var(--clr-dark); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
}

.nav__logo-img {
  height: 52px;
  width: auto;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.35));
  transition: filter var(--transition);
}

.header.scrolled .nav__logo-img {
  filter: none;
}


.logo-mark {
  width: 38px; height: 38px;
  background: var(--clr-accent);
  color: var(--clr-dark);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-weight: var(--fw-bold);
  font-size: .9rem;
  letter-spacing: .05em;
  flex-shrink: 0;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: .9rem;
  font-weight: var(--fw-medium);
  color: rgba(255,255,255,.85);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--clr-accent);
  transition: width var(--transition);
}

.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

.nav__link:hover { color: var(--clr-white); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, var(--clr-primary-d) 0%, var(--clr-primary) 50%, var(--clr-mid) 100%);
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(232,160,32,.18) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255,255,255,.06) 0%, transparent 50%);
}

.hero__bg::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 80px;
  background: var(--clr-white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 7rem;
  padding-bottom: 5rem;
}

.hero__tagline {
  font-size: .8rem;
  font-weight: var(--fw-semi);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1rem;
}

.hero__title {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: var(--fw-bold);
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero__title span {
  color: var(--clr-accent);
}

.hero__desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  right: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  z-index: 1;
  color: rgba(255,255,255,.5);
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: .4; transform: scaleY(1); }
  50%       { opacity: 1;  transform: scaleY(1.1); }
}

/* ============================================================
   About
   ============================================================ */

.about { background: var(--clr-white); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__text p {
  color: var(--clr-muted);
  margin-bottom: 1rem;
  font-size: 1.02rem;
}

.about__stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--clr-border);
}

.stat__number {
  display: block;
  font-size: 2rem;
  font-weight: var(--fw-bold);
  color: var(--clr-primary);
  line-height: 1;
  margin-bottom: .25rem;
}

.stat__label {
  font-size: .8rem;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.about__visual {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about__card {
  background: var(--clr-light);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.about__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.about__card-icon {
  font-size: 1.25rem;
  color: var(--clr-accent);
  margin-bottom: .75rem;
}

.about__card h3 {
  font-size: 1.1rem;
  font-weight: var(--fw-semi);
  color: var(--clr-dark);
  margin-bottom: .5rem;
}

.about__card p {
  font-size: .9rem;
  color: var(--clr-muted);
  line-height: 1.7;
}

/* ============================================================
   Services
   ============================================================ */

.services {
  background: var(--clr-light);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.service-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card--featured {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
}

.service-card--featured .service-card__title,
.service-card--featured .service-card__desc,
.service-card--featured .service-card__list li {
  color: rgba(255,255,255,.9);
}

.service-card--featured .service-card__icon svg {
  stroke: var(--clr-accent);
}

.service-card--featured .service-card__list li::before {
  background: var(--clr-accent);
}

.service-card__badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--clr-accent);
  color: var(--clr-dark);
  font-size: .7rem;
  font-weight: var(--fw-bold);
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .3rem 1rem;
  border-radius: 20px;
  white-space: nowrap;
}

.service-card__icon {
  width: 52px; height: 52px;
  margin-bottom: 1.25rem;
}

.service-card__icon svg {
  width: 100%; height: 100%;
  stroke: var(--clr-primary);
}

.service-card__title {
  font-size: 1.2rem;
  font-weight: var(--fw-semi);
  color: var(--clr-dark);
  margin-bottom: .75rem;
}

.service-card__desc {
  font-size: .9rem;
  color: var(--clr-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.service-card__list li {
  font-size: .875rem;
  color: var(--clr-text);
  padding: .3rem 0;
  padding-left: 1rem;
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clr-accent);
}

.services__note {
  text-align: center;
  margin-top: 3rem;
  color: var(--clr-muted);
  font-size: .95rem;
}

.services__note a {
  color: var(--clr-primary);
  font-weight: var(--fw-medium);
}

/* ============================================================
   Why Us
   ============================================================ */

.why { background: var(--clr-primary-d); }

.why .section__title { color: var(--clr-white); }

.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.why__item {
  text-align: center;
  padding: 1.5rem;
}

.why__icon {
  width: 48px; height: 48px;
  background: var(--clr-accent);
  color: var(--clr-dark);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  margin: 0 auto 1rem;
}

.why__item h3 {
  font-size: 1rem;
  font-weight: var(--fw-semi);
  color: var(--clr-white);
  margin-bottom: .5rem;
}

.why__item p {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}

/* ============================================================
   Contact
   ============================================================ */

.contact { background: var(--clr-white); }

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact__block {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact__icon {
  width: 44px; height: 44px;
  background: var(--clr-light);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--clr-primary);
}

.contact__icon svg {
  width: 20px; height: 20px;
}

.contact__block h4 {
  font-size: .8rem;
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--clr-muted);
  margin-bottom: .35rem;
}

.contact__block p,
.contact__block address {
  font-size: .95rem;
  color: var(--clr-text);
}

.contact__block a {
  color: var(--clr-text);
}

.contact__block a:hover {
  color: var(--clr-primary);
}

/* Form */

.contact__form {
  background: var(--clr-light);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.form__group label {
  font-size: .85rem;
  font-weight: var(--fw-medium);
  color: var(--clr-text);
}

.form__group input,
.form__group textarea {
  padding: .75rem 1rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-family: var(--ff-base);
  font-size: .95rem;
  color: var(--clr-text);
  background: var(--clr-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form__group input:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(26,79,122,.12);
}

.form__group textarea { min-height: 120px; }

.form__note {
  font-size: .85rem;
  color: var(--clr-muted);
  text-align: center;
  min-height: 1.2em;
}

.form__note.success { color: #2a9d4e; }
.form__note.error   { color: #d9534f; }

/* ============================================================
   Footer
   ============================================================ */

.footer {
  background: var(--clr-dark);
  padding: 2rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  align-items: center;
}

.footer__logo {
  height: 72px;
  width: auto;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.4));
}

.footer__copy {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1024px) {
  .services__grid { grid-template-columns: 1fr 1fr; }
  .why__grid      { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-py: 3.5rem; }

  .nav__menu {
    position: fixed;
    top: 0; right: -100%;
    width: min(300px, 80vw);
    height: 100vh;
    background: var(--clr-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right .35s ease;
    box-shadow: var(--shadow-lg);
    z-index: 99;
  }

  .nav__menu.open { right: 0; }
  .nav__link { color: rgba(255,255,255,.8); font-size: 1.05rem; }
  .header.scrolled .nav__link { color: rgba(255,255,255,.8); }

  .nav__toggle { display: flex; z-index: 200; }

  .nav__toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav__toggle.open span:nth-child(2) { opacity: 0; }
  .nav__toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .about__grid   { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .services__grid { grid-template-columns: 1fr; }

  .hero__scroll { display: none; }
  .about__stats { gap: 1.25rem; }

  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .why__grid   { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .about__stats { flex-wrap: wrap; }
}