/* =====================================================
   main.css – FULL, COMPLETE, PRODUCTION FILE
   merged from old main.css + requested fixes
   ===================================================== */

/* =====================================================
   ROOT VARIABLES
   ===================================================== */

:root {
  --default-font: "Roboto", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --heading-font: "Domine", sans-serif;
  --nav-font: "Quicksand", sans-serif;

  --background-color: #FAF9F6;
  --surface-color: #ffffff;
  --default-color: #6c757d;
  --heading-color: #3b434a;
  --accent-color: #ffbb27;
  --contrast-color: #000000;

  --menu-color-default: #2b2b2b;
  --menu-color-start: #ffffff;

  scroll-behavior: smooth;
}

/* =====================================================
   BASE
   ===================================================== */

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

body {
  margin: 0;
  font-family: var(--default-font);
  color: var(--default-color);
  background-color: var(--background-color);
}

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

a {
  color: var(--heading-color);
  font-weight: 500;
  text-decoration: none;
  transition: color .25s ease;
}

a:hover { color: color-mix(in srgb, var(--accent-color), transparent 25%); }

h1, h2, h3, h4, h5 {
  font-family: var(--heading-font);
  color: var(--heading-color);
  margin-top: 0;
}

/* =====================================================
   HEADER
   ===================================================== */

.site-header {
  --background-color: rgba(0,0,0,0);
  --default-color: #2b2b2b;
  --heading-color: #2b2b2b;

  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 997;
  min-height: 80px;
  padding: 20px 0;
  background-color: var(--background-color);
  transition: background-color .4s ease, padding .4s ease, box-shadow .4s ease;
}

.site-header .container-fluid {
  padding-inline: 32px; /* shifted left */
}

.scrolled .site-header {
  background-color: rgba(0,0,0,.85);
  padding: 12px 0;
  box-shadow: 0 0 18px rgba(0,0,0,.1);
}

/* =====================================================
   LOGO
   ===================================================== */

.site-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-logo img { max-height: 36px; }

.site-logo .sitename {
  font-family: var(--heading-font);
  font-size: 1.5rem;
  font-weight: 500;
  color: forestgreen;
}

/* =====================================================
   NAVIGATION – DESKTOP
   ===================================================== */

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav .nav-list {
  list-style: none;
  display: flex;
  gap: 20px; /* tightened */
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--nav-font);
  font-size: 20px;
  font-weight: 400;
  text-transform: uppercase;
  color: var(--menu-color-default);
  white-space: nowrap;
}

.site-nav a:hover { color: var(--accent-color); }

.site-nav a::after {
  content: "";
  display: block;
  height: 2px;
  width: 0;
  background: var(--accent-color);
  transition: width .3s ease;
}

.site-nav a:hover::after { width: 100%; }

/* START PAGE */
body.start-page .site-header {
  --default-color: #ffffff;
  --heading-color: #ffffff;
}

body.start-page .site-nav a,
body.start-page .mobile-nav-toggle { color: #ffffff; }

/* SCROLLED – ALWAYS VISIBLE */
.scrolled .site-nav a,
.scrolled .mobile-nav-toggle { color: #ffffff; }

/* =====================================================
   MOBILE NAVIGATION
   ===================================================== */

.mobile-nav-toggle {
  display: none;
  font-size: 34px;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--menu-color-default);
}

@media (max-width: 1199px) {

  .mobile-nav-toggle { display: block; }

  .site-nav { position: relative; }

  .site-nav .nav-list {
    position: absolute;
    top: 100%;
    left: -16px; /* shifted left */
    right: -16px;
    flex-direction: column;
    background-color: var(--background-color);
    display: none;
    gap: 0;
    border-top: 1px solid rgba(0,0,0,.08);
  }

  body.mobile-nav-open .site-nav .nav-list { display: flex; }

  .site-nav li {
    padding: 12px 20px; /* tightened */
    border-bottom: 1px solid rgba(0,0,0,.06);
  }

  .site-nav a { font-size: 18px; }

  /* START PAGE MOBILE */
  body.start-page .site-nav .nav-list {
    background-color: rgba(0,0,0,.85);
  }

  body.start-page .site-nav .nav-list a { color: #ffffff; }

  /* SCROLLED MOBILE – ALWAYS READABLE */
  .scrolled .site-nav .nav-list { background-color: var(--background-color); }
  .scrolled .site-nav .nav-list a { color: #2b2b2b; }
}

/* =====================================================
   HERO
   ===================================================== */

.hero {
  min-height: 100vh;
  padding-top: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 1;
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero .container { position: relative; z-index: 2; }

.hero h2 { font-size: 5rem; font-weight: 500; }
.hero h3 { font-size: 3rem; font-weight: 300; }
.hero p { font-size: 2.5rem; }
.hero h1, .hero h2, .hero h3, .hero p { color: #fff; }

.hero .btn-scroll {
  position: absolute;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  font-size: 48px;
  color: rgba(255,255,255,.7);
}

.hero .btn-scroll:hover { color: var(--accent-color); }

/* =====================================================
   SECTIONS
   ===================================================== */

.section { padding: 60px 0; }

.section-title {
  text-align: center;
  margin-bottom: 30px;
}

.section-title h2 {
  font-size: 36px;
  font-weight: 700;
  text-transform: uppercase;
}

/* =====================================================
   ABOUT
   ===================================================== */

.about ul { list-style: none; padding: 0; }
.about li { display: flex; align-items: center; margin-bottom: 15px; }
.about li i { color: var(--accent-color); margin-right: 6px; }

/* =====================================================
   TIMELINE
   ===================================================== */

.timeline-track { position: relative; padding-left: 60px; }

.timeline-track::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 28px;
  width: 2px;
  background-color: var(--accent-color);
}

.timeLine-item { position: relative; margin-bottom: 30px; }

.timeline-dot {
  position: absolute;
  left: -44px;
  top: 10px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--background-color);
  border: 3px solid var(--accent-color);
}

@media (max-width: 576px) {
  .timeline-track { padding-left: 40px; }
  .timeline-track::before { left: 18px; }
  .timeline-dot { left: -32px; }
}

/* =====================================================
   GALLERY
   ===================================================== */

.gallery .gallery-item {
  overflow: hidden;
  border-right: 3px solid var(--background-color);
  border-bottom: 3px solid var(--background-color);
}

.gallery img { transition: transform .4s ease; }
.gallery .gallery-item:hover img { transform: scale(1.1); }

/* =====================================================
   FOOTER
   ===================================================== */

.footer {
  padding: 30px 0;
  text-align: center;
  font-size: 14px;
}

.footer h3 { font-size: 36px; font-weight: 700; }

.footer .copyright {
  border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
  padding-top: 20px;
}

/* =====================================================
   SCROLL TOP & PRELOADER
   ===================================================== */

.scroll-top {
  position: fixed;
  right: 15px;
  bottom: 15px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
}

.scroll-top.active { opacity: 1; visibility: visible; }

#preloader {
  position: fixed;
  inset: 0;
  background: var(--background-color);
  z-index: 9999;
}