/* ═══════════════════════════════════════════
   Research Masters Global — style.css
   Dark Royal Theme matching reference site
═══════════════════════════════════════════ */

/* ── VARIABLES ── */
:root {
  --gold:       #C9A84C;
  --gold-lt:    #E8C96A;
  --gold-bright:#F0D080;
  --gold-dk:    #8B6014;
  --gold-dim:   #6B4A10;
  --black:      #0a0a0a;
  --dark-1:     #111111;
  --dark-2:     #161616;
  --dark-3:     #1e1e1e;
  --dark-4:     #242424;
  --white:      #FFFFFF;
  --text:       rgba(255,255,255,0.88);
  --text-2:     rgba(255,255,255,0.65);
  --text-3:     rgba(255,255,255,0.4);
  --border:     rgba(201,168,76,0.15);
  --border-2:   rgba(255,255,255,0.08);
  --glow:       0 0 30px rgba(201,168,76,0.2);
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Inter', sans-serif;
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); background: var(--black); color: var(--text); overflow-x: hidden; line-height: 1.7; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
input, select, textarea, button { font-family: inherit; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gold-dk); border-radius: 4px; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 2rem; }

/* ── SCROLL REVEAL ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal--r { transform: translateX(30px); }
.reveal--r.visible { transform: translateX(0); }

/* ── TYPOGRAPHY ── */
.sec-eyebrow {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 0.8rem;
}

.sec-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; line-height: 1.15;
  color: var(--white); margin-bottom: 1rem;
}
.sec-title em { color: var(--gold); font-style: italic; }

.sec-rule {
  width: 48px; height: 2px;
  background: var(--gold);
  margin: 1rem auto 1.5rem;
}
.sec-rule--left { margin-left: 0; }

.sec-sub { font-size: 1rem; color: var(--text-2); max-width: 560px; margin: 0 auto; }

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

/* ── FLOATING WA ── */
.fab-wa {
  position: fixed; bottom: 1.8rem; right: 1.8rem;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  z-index: 1000; transition: all 0.3s;
  animation: fabPulse 3s ease-in-out infinite;
}
.fab-wa:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.6); animation: none; }
@keyframes fabPulse { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }

/* ── HEADER / NAV ── */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  transition: background 0.4s, border-color 0.4s;
}
#header.solid {
  background: rgba(10,10,10,0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

.nav-inner {
  max-width: 1180px; margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo-img {
  height: 44px; width: 44px; object-fit: cover;
  border-radius: 50%; border: 1.5px solid var(--gold);
  transition: box-shadow 0.3s;
}
.nav-logo-img:hover { box-shadow: var(--glow); }

.nav-links { display: flex; align-items: center; gap: 2.8rem; }

.nl {
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  transition: color 0.3s;
  position: relative; padding-bottom: 3px;
}
.nl::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px; background: var(--gold);
  transition: width 0.3s;
}
.nl:hover { color: var(--gold-lt); }
.nl:hover::after, .nl.active::after { width: 100%; }
.nl.active { color: var(--gold-lt); }

.btn-getquote {
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--gold); color: var(--black);
  padding: 0.62rem 1.5rem; border-radius: 3px;
  transition: all 0.3s;
}
.btn-getquote:hover { background: var(--gold-bright); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(201,168,76,0.4); }

.burger { display: none; flex-direction: column; gap: 5px; padding: 4px; z-index: 1001; }
.burger span { display: block; width: 22px; height: 1.5px; background: var(--white); transition: all 0.3s; }
.burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background:
    linear-gradient(to bottom, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.55) 40%, rgba(0,0,0,0.85) 100%),
    url('assets/hero-bg.jpg') center/cover no-repeat;
  /* Fallback when no bg image: richly layered dark */
  background-color: var(--dark-1);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  position: relative; overflow: hidden;
  padding: 8rem 2rem 5rem;
}

/* Rich dark layered background that looks like a dark library */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 120% 80% at 50% 0%, rgba(60,40,10,0.5) 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(40,25,5,0.4) 0%, transparent 50%),
    radial-gradient(ellipse 80% 60% at 80% 50%, rgba(40,25,5,0.4) 0%, transparent 50%),
    linear-gradient(180deg, #0d0a04 0%, #080603 40%, #050402 100%);
  z-index: 0;
}

/* Subtle bookshelf-like vertical lines */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 80px,
    rgba(201,168,76,0.018) 80px,
    rgba(201,168,76,0.018) 82px
  );
  z-index: 0;
}

.hero-bg { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.bg-circle {
  position: absolute; border-radius: 50%;
  filter: blur(100px);
}
.bg-circle--1 { width: 600px; height: 600px; background: rgba(201,168,76,0.07); top: -15%; left: -15%; animation: orb1 15s ease-in-out infinite; }
.bg-circle--2 { width: 400px; height: 400px; background: rgba(139,96,20,0.06); bottom: -10%; right: -10%; animation: orb1 12s ease-in-out infinite reverse 3s; }
@keyframes orb1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(30px,-20px)} }

.hero-content { position: relative; z-index: 2; max-width: 820px; }

.hero-logo-box {
  margin-bottom: 3rem;
  animation: fadeInDown 0.9s var(--ease) both;
}

.hero-crest {
  width: 140px; height: 140px;
  object-fit: contain;
  margin: 0 auto 1rem;
  filter: drop-shadow(0 4px 24px rgba(201,168,76,0.4));
  animation: crownFloat 5s ease-in-out infinite;
}
@keyframes crownFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

/* Fallback crest placeholder */
.hero-crest[src="assets/logo.jpeg"]:not([complete]) {
  background: var(--dark-3); border-radius: 50%;
}

.hero-brand {
  font-family: var(--font-serif);
  font-size: 1rem; font-weight: 600;
  letter-spacing: 0.35em; color: var(--gold-lt);
  text-transform: uppercase;
}
.hero-brand-sub { font-size: 0.7rem; letter-spacing: 0.4em; color: var(--gold-dk); margin-top: 2px; }

.hero-eyebrow {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.25em;
  color: var(--gold); text-transform: uppercase;
  margin-bottom: 1.2rem;
  animation: fadeInUp 0.9s var(--ease) 0.1s both;
}

.hero-h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700; line-height: 1.1;
  color: var(--white); margin-bottom: 1.4rem;
  animation: fadeInUp 0.9s var(--ease) 0.2s both;
}
.hero-h1 em { color: var(--gold); font-style: italic; }

.hero-desc {
  font-size: 1.05rem; color: var(--text-2);
  max-width: 620px; margin: 0 auto 2.5rem;
  line-height: 1.8;
  animation: fadeInUp 0.9s var(--ease) 0.3s both;
}

.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; animation: fadeInUp 0.9s var(--ease) 0.4s both; }

.btn-hero-primary {
  background: var(--gold); color: var(--black);
  padding: 0.9rem 2.2rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; border-radius: 3px;
  transition: all 0.3s;
}
.btn-hero-primary:hover { background: var(--gold-bright); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(201,168,76,0.4); }

.btn-hero-outline {
  background: transparent; color: var(--white);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 0.9rem 2.2rem;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; border-radius: 3px;
  transition: all 0.3s;
}
.btn-hero-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 2;
}
.scroll-bar {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollBarAnim 1.8s ease-in-out infinite;
}
@keyframes scrollBarAnim { 0%,100%{opacity:0.5;transform:scaleY(1)} 50%{opacity:1;transform:scaleY(1.1)} }

/* ── STATS STRIP ── */
.stats-strip {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.stats-wrap {
  max-width: 1180px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: stretch;
}
.ss-item {
  flex: 1; text-align: center;
  padding: 2rem 1rem;
  transition: background 0.3s;
}
.ss-item:hover { background: rgba(201,168,76,0.05); }
.ss-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.2rem; font-weight: 700;
  color: var(--gold-lt); line-height: 1;
  margin-bottom: 0.4rem;
}
.ss-lbl { font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-3); }
.ss-sep { width: 1px; background: var(--border); margin: 1rem 0; flex-shrink: 0; }

/* ── SERVICES ── */
.services-section {
  background: var(--dark-1);
  padding: 6rem 0;
}

.svc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.svc-card {
  background: var(--dark-1);
  padding: 2rem 2rem 2rem 1.8rem;
  display: flex; align-items: flex-start; gap: 1.2rem;
  transition: background 0.3s;
  border: none;
}
.svc-card:hover { background: var(--dark-3); }

.svc-card--wide { grid-column: span 2; }

.svc-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  border-radius: 4px;
}

.svc-body h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem; font-weight: 600;
  color: var(--white); margin-bottom: 0.5rem;
  line-height: 1.3;
}
.svc-body p { font-size: 0.9rem; color: var(--text-2); line-height: 1.65; }

.svc-list { margin-top: 0.4rem; }
.svc-list li {
  font-size: 0.88rem; color: var(--text-2);
  padding: 0.18rem 0 0.18rem 1.1rem;
  position: relative;
}
.svc-list li::before {
  content: '›'; position: absolute; left: 0;
  color: var(--gold); font-size: 1rem; line-height: 1;
  top: 0.18rem;
}

/* ── ABOUT ── */
.about-section {
  background: var(--dark-2);
  padding: 6rem 0;
}

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}

.about-text .sec-title { text-align: left; }
.about-text p { font-size: 0.95rem; color: var(--text-2); margin-bottom: 1rem; line-height: 1.8; }
.about-text p strong { color: var(--white); font-weight: 600; }

.about-bullets {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0.6rem; margin-top: 1.8rem;
}
.ab-item {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.88rem; color: var(--text-2);
}
.ab-dot {
  width: 6px; height: 6px; border-radius: 1px;
  background: var(--gold); flex-shrink: 0;
}

.about-img-frame {
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--dark-1);
}
.about-img-inner { width: 100%; }
.pen-svg { width: 100%; height: auto; display: block; }

/* ── CONTACT ── */
.contact-section {
  background: var(--dark-1);
  padding: 6rem 0;
  position: relative; overflow: hidden;
}
.contact-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.ch-orb { position: absolute; border-radius: 50%; filter: blur(120px); }
.ch-orb--1 { width: 500px; height: 500px; background: rgba(201,168,76,0.04); top: -20%; left: -10%; }
.ch-orb--2 { width: 400px; height: 400px; background: rgba(100,60,5,0.06); bottom: -10%; right: 0; }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 5rem; align-items: start;
}

.contact-direct h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem; font-weight: 700;
  color: var(--white); margin-bottom: 2rem;
}

.cd-items { display: flex; flex-direction: column; gap: 1.2rem; margin-bottom: 2rem; }
.cd-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.1rem 1.3rem;
  background: var(--dark-3);
  border: 1px solid var(--border-2);
  transition: border-color 0.3s;
}
.cd-item:hover { border-color: var(--border); }

.cd-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
}
.cd-label { display: block; font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-3); margin-bottom: 0.2rem; }
.cd-value { font-size: 0.9rem; color: var(--text); transition: color 0.3s; }
.cd-value:hover { color: var(--gold-lt); }

.cd-btns { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.btn-wa, .btn-email {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 3px; transition: all 0.3s;
}
.btn-wa { background: #25D366; color: #fff; }
.btn-wa:hover { background: #1da851; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.3); }
.btn-email { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,0.25); }
.btn-email:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

/* FORM */
.contact-form {
  background: var(--dark-3);
  border: 1px solid var(--border);
  padding: 2.5rem;
}
.contact-form h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem; font-weight: 700;
  color: var(--white); margin-bottom: 1.8rem;
}
.cf-field { margin-bottom: 1rem; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

input, select, textarea {
  width: 100%; padding: 0.85rem 1rem;
  background: var(--dark-1);
  border: 1px solid var(--border-2);
  color: var(--text); font-size: 0.88rem;
  outline: none; border-radius: 2px;
  transition: border-color 0.3s;
  -webkit-appearance: none;
}
input::placeholder, textarea::placeholder { color: var(--text-3); }
input:focus, select:focus, textarea:focus { border-color: var(--gold); }
select option { background: var(--dark-2); color: var(--text); }
textarea { resize: vertical; min-height: 110px; }

.btn-submit {
  width: 100%;
  background: var(--gold); color: var(--black);
  padding: 1rem;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  border: none; cursor: pointer; border-radius: 2px;
  transition: all 0.3s;
  margin-top: 0.5rem;
}
.btn-submit:hover { background: var(--gold-bright); box-shadow: 0 8px 24px rgba(201,168,76,0.4); }

.cf-note { text-align: center; font-size: 0.85rem; color: #22c55e; margin-top: 0.8rem; }

/* ── FOOTER ── */
.site-footer { background: var(--dark-1); padding: 4rem 0 0; }
.footer-rule { height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); }

.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem; padding: 3.5rem 0 2.5rem;
}

.footer-logo { height: 48px; width: 48px; object-fit: cover; border-radius: 50%; border: 1.5px solid var(--gold-dk); margin-bottom: 1rem; }
.footer-brand h4 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: 0.8rem; }
.footer-brand p { font-size: 0.88rem; color: var(--text-3); line-height: 1.7; max-width: 280px; }

.footer-col h5 { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.2rem; }
.footer-col ul li { margin-bottom: 0.7rem; }
.footer-col ul li a, .footer-col ul li { font-size: 0.88rem; color: var(--text-3); transition: color 0.3s; }
.footer-col ul li a:hover { color: var(--gold-lt); }

.footer-bottom {
  border-top: 1px solid var(--border-2);
  padding: 1.5rem 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.5rem;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-3); }

/* ── KEYFRAMES ── */
@keyframes fadeInDown { from{opacity:0;transform:translateY(-20px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeInUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .about-grid { gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 280px; background: rgba(8,8,8,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column; justify-content: center; gap: 2.5rem;
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    z-index: 1000;
  }
  .nav-links.open { transform: translateX(0); }
  .burger { display: flex; }
  .nl { font-size: 0.88rem; }

  .hero-h1 { font-size: clamp(2rem, 8vw, 3rem); }

  .stats-wrap { flex-wrap: wrap; }
  .ss-sep { display: none; }
  .ss-item { min-width: 45%; }

  .svc-grid { grid-template-columns: 1fr; background: none; border: 1px solid var(--border); gap: 0; }
  .svc-card { border-bottom: 1px solid var(--border); }
  .svc-card--wide { grid-column: span 1; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-bullets { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .cf-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.2rem; }
  .hero { padding: 8rem 1.2rem 4rem; }
  .hero-btns { flex-direction: column; }
  .btn-hero-primary, .btn-hero-outline { width: 100%; text-align: center; }
  .cd-btns { flex-direction: column; }
  .btn-wa, .btn-email { justify-content: center; }
}