/* ============================================================
   MAIN.CSS — Global styles, variables, reset
   Real Estate Agency Website
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Maharlika&family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --color-primary:    #0a2749;
  --color-primary-dark: #071d36;
  --color-primary-light: #0e3563;
  --color-accent:     #caa45d;
  --color-accent-dark: #b8913f;
  --color-accent-light: #d9bc85;
  --color-white:      #ffffff;
  --color-bg-slate:   #f4f5f7;
  --color-text:       #1a1a2e;
  --color-text-muted: #6b7280;
  --color-text-light: #9ca3af;
  --color-border:     #e5e7eb;
  --color-border-dark: #d1d5db;

  --font-heading:     'Maharlika', Georgia, serif;
  --font-body:        'Montserrat', 'Helvetica Neue', Arial, sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);
  --shadow-xl:  0 20px 50px rgba(0,0,0,.15);

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;

  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;

  --container-max: 1280px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);

  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ── Typography ── */
h1 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; font-weight: 600; }
h5 { font-size: 1rem; font-weight: 600; }
h6 { font-size: 0.875rem; font-weight: 600; }

p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.8;
  font-weight: 400;
}

/* ── Layout ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section--white { background-color: var(--color-white); }
.section--slate { background-color: var(--color-bg-slate); }
.section--dark  { background-color: var(--color-primary); color: var(--color-white); }

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header--center {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-label--light {
  color: var(--color-accent-light);
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav--transparent {
  background: transparent;
}

.nav--solid {
  background: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.nav--scrolled {
  background: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

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

.nav__logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

.nav__cta {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-accent);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
  margin-left: 0.5rem;
}

.nav__cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Mobile Nav ── */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-primary-dark);
  padding: 1.5rem var(--container-pad);
  z-index: 999;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.nav__mobile.is-open {
  display: block;
}

.nav__mobile-link {
  display: block;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition);
}

.nav__mobile-link:hover {
  color: var(--color-accent);
}

.nav__mobile-cta {
  display: block;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-accent);
  padding: 0.875rem;
  border-radius: var(--radius-sm);
  margin-top: 1.25rem;
  transition: background var(--transition);
}

.nav__mobile-cta:hover {
  background: var(--color-accent-dark);
}

/* ── Footer ── */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.75);
  padding: clamp(2rem, 4vw, 3.5rem) 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__logo-img {
  height: 44px;
  width: auto;
  display: block;
  margin-bottom: 1.25rem;
}

.footer__brand-desc {
  font-size: 0.875rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
  color: rgba(255,255,255,0.6);
}

.footer__col-title {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

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

.footer__contact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.75rem;
}

.footer__contact-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  stroke: var(--color-accent);
}

/* ── Footer Newsletter (inside column 1) ── */
.footer__brand-newsletter {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}


.footer__newsletter-blurb {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.footer__newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.footer__newsletter-input {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 0.6rem 0.85rem;
  width: 100%;
  transition: border-color var(--transition);
}

.footer__newsletter-input::placeholder {
  color: rgba(255,255,255,0.35);
}

.footer__newsletter-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer__bottom-link {
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

.footer__bottom-link:hover {
  color: rgba(255,255,255,0.7);
}

/* ── Responsive Nav ── */
@media (max-width: 900px) {
  .nav__menu {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

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

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}