/* ============================================================
   SADEK360 — External Stylesheet
   Font: Cormorant Garamond (display) + DM Sans (body) + Bebas Neue (accent)
   Theme: Dark executive / NYC commercial real estate
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Bebas+Neue&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500&display=swap');

/* ── CSS VARIABLES ── */
:root {
  --black:       #070707;
  --deep:        #0d0d0d;
  --surface:     #131313;
  --surface-2:   #1a1a1a;
  --border:      #222222;
  --gold:        #c9a84c;
  --gold-light:  #e2c47a;
  --gold-dim:    rgba(201, 168, 76, 0.12);
  --gold-glow:   rgba(201, 168, 76, 0.25);
  --white:       #f4efe6;
  --muted:       #7a7570;
  --text:        #c8c3bc;
  --nav-height:  78px;
  --max-w:       1200px;
  --transition:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background-color: var(--black);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }

/* ── NOISE TEXTURE ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9000;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  line-height: 1.15;
  color: var(--white);
  letter-spacing: 0.01em;
}
h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.9rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}
.display-font { font-family: 'Bebas Neue', sans-serif; letter-spacing: 0.05em; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.section { padding: 7rem 0; }
.section--dark { background-color: var(--deep); }
.section--surface { background-color: var(--surface); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }

/* ============================================================
   ID RULES — UNIQUE STRUCTURAL ELEMENTS
   ============================================================ */

/* HEADER */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  z-index: 500;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}
#site-header.scrolled {
  background-color: rgba(7,7,7,0.94);
  border-color: var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* LOGO */
#logo { display: flex; flex-direction: column; line-height: 1; }
#logo .logo-main {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.65rem;
  letter-spacing: 0.12em;
  color: var(--white);
}
#logo .logo-main span { color: var(--gold); }
#logo .logo-sub {
  font-size: 0.56rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2px;
}

/* MAIN NAV */
#main-nav { display: flex; align-items: center; gap: 2.5rem; }
#main-nav a {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
}
#main-nav a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background-color: var(--gold);
  transition: width var(--transition);
}
#main-nav a:hover, #main-nav a.active { color: var(--white); }
#main-nav a:hover::after, #main-nav a.active::after { width: 100%; }

/* NAV CTA */
#nav-cta {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0.55rem 1.3rem;
  transition: background-color var(--transition), color var(--transition);
}
#nav-cta:hover { background-color: var(--gold); color: var(--black); }

/* MOBILE TOGGLE */
#mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
#mobile-toggle span {
  display: block;
  width: 24px; height: 1px;
  background-color: var(--white);
  transition: transform var(--transition), opacity var(--transition);
}

/* MOBILE MENU */
#mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(7,7,7,0.98);
  z-index: 400;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}
#mobile-menu.open { display: flex; }
#mobile-menu a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.05em;
}
#mobile-menu a:hover { color: var(--gold); }

/* FOOTER */
#site-footer {
  background-color: var(--deep);
  border-top: 1px solid var(--border);
  padding: 5rem 0 2.5rem;
}
#footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
#footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
}

/* HERO */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}
#hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #070707 0%, #0f0d0a 50%, #0a0907 100%);
  z-index: 0;
}
#hero-bg::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.07) 0%, transparent 70%);
}
#hero-bg::after {
  content: '';
  position: absolute;
  bottom: 10%; left: 5%;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.04) 0%, transparent 70%);
}
#hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}
#hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}
#hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px; height: 1px;
  background-color: var(--gold);
}
#hero-title { opacity: 0; animation: fadeUp 0.8s 0.4s forwards; max-width: 920px; }
#hero-tagline {
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
  font-size: 1rem;
  color: var(--muted);
  max-width: 480px;
  margin-top: 1.5rem;
  letter-spacing: 0.04em;
}
#hero-actions {
  display: flex;
  gap: 1.5rem;
  margin-top: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
  flex-wrap: wrap;
}
#hero-scroll {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 1s 1.2s forwards;
}
#hero-scroll span {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
#hero-scroll .scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s infinite;
}

/* PAGE HERO (inner pages) */
#page-hero {
  padding: calc(var(--nav-height) + 5rem) 0 5rem;
  background: linear-gradient(180deg, var(--deep) 0%, var(--black) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
#page-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40%; height: 100%;
  background: radial-gradient(ellipse at top right, rgba(201,168,76,0.05), transparent 60%);
  pointer-events: none;
}

/* ============================================================
   CLASS RULES — REUSABLE COMPONENTS
   ============================================================ */

/* BUTTONS */
.btn {
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 1rem 2.2rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.btn-primary { background-color: var(--gold); color: var(--black); }
.btn-primary:hover { background-color: var(--gold-light); color: var(--black); }
.btn-outline { background-color: transparent; color: var(--white); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-ghost {
  background: none; color: var(--gold); padding: 0;
  letter-spacing: 0.15em; font-size: 0.72rem;
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: 'DM Sans', sans-serif; font-weight: 500;
  text-transform: uppercase; cursor: pointer; border: none;
}
.btn-ghost::after { content: '→'; transition: transform var(--transition); }
.btn-ghost:hover::after { transform: translateX(5px); }

/* GOLD DIVIDER */
.gold-divider { width: 50px; height: 1px; background-color: var(--gold); margin: 1.5rem 0; }
.gold-divider--center { margin: 1.5rem auto; }

/* SECTION HEADER */
.section-header { margin-bottom: 4rem; }
.section-header--center { text-align: center; }
.section-header p { color: var(--muted); max-width: 560px; font-size: 0.95rem; }
.section-header--center p { margin: 0 auto; }

/* CARD */
.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 2.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: var(--gold); transform: translateY(-3px); }

/* SERVICE CARD */
.service-card { background-color: var(--surface); border: 1px solid var(--border); overflow: hidden; transition: border-color var(--transition); }
.service-card:hover { border-color: var(--gold); }
.service-card-img-wrap { overflow: hidden; }
.service-card-img {
  width: 100%; height: 220px; object-fit: cover;
  filter: brightness(0.7) grayscale(0.3);
  transition: filter var(--transition), transform 0.5s ease;
}
.service-card:hover .service-card-img { filter: brightness(0.85) grayscale(0); transform: scale(1.04); }
.service-card-body { padding: 2rem; }

/* STAT BLOCK */
.stat-block {
  text-align: center; padding: 2.5rem;
  border: 1px solid var(--border);
  position: relative;
}
.stat-block::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 40px; height: 1px;
  background-color: var(--gold);
}
.stat-number { font-family: 'Bebas Neue', sans-serif; font-size: 4rem; color: var(--white); letter-spacing: 0.05em; line-height: 1; }
.stat-label { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-top: 0.5rem; }

/* ACCENT LINE */
.accent-line { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.accent-line::before { content: ''; display: block; width: 30px; height: 1px; background-color: var(--gold); flex-shrink: 0; }

/* PROCESS STEP */
.process-step { display: flex; gap: 2rem; align-items: flex-start; padding: 2rem 0; border-bottom: 1px solid var(--border); }
.process-step:last-child { border-bottom: none; }
.step-number {
  font-family: 'Bebas Neue', sans-serif; font-size: 2.5rem;
  color: var(--gold); opacity: 0.35;
  line-height: 1; min-width: 56px;
  border: 1px solid var(--border);
  text-align: center; padding: 0.4rem 0.8rem;
}

/* HIGHLIGHT BOX */
.highlight-box { border-left: 2px solid var(--gold); padding: 1.5rem 2rem; background-color: var(--gold-dim); margin: 2rem 0; }

/* IMG CARD */
.img-card { position: relative; overflow: hidden; }
.img-card img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.6) grayscale(0.2); transition: filter var(--transition), transform 0.6s ease; }
.img-card:hover img { filter: brightness(0.75) grayscale(0); transform: scale(1.04); }
.img-card-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 2rem; background: linear-gradient(to top, rgba(7,7,7,0.95), transparent); }

/* ============================================================
   TABLES — PRICING
   ============================================================ */
.pricing-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.pricing-table th {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); font-weight: 500;
  padding: 1.2rem 1.5rem; text-align: left;
  border-bottom: 1px solid var(--border);
  background-color: var(--surface);
}
.pricing-table td { padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: middle; }
.pricing-table tr:hover td { background-color: var(--surface-2); }
.pricing-table .price-val { font-family: 'Cormorant Garamond', serif; font-size: 1.7rem; color: var(--white); font-weight: 300; }
.pricing-table .check { color: var(--gold); font-size: 1rem; }
.pricing-table .row-featured td { background-color: var(--gold-dim); }
.pricing-table .row-featured:hover td { background-color: rgba(201,168,76,0.18); }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.6rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background-color: var(--surface);
  border: 1px solid var(--border);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem; font-weight: 300;
  padding: 0.9rem 1.2rem;
  outline: none;
  transition: border-color var(--transition);
  appearance: none; border-radius: 0;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--gold); }
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c9a84c' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; cursor: pointer;
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted); opacity: 0.6; }

/* ============================================================
   PORTFOLIO / 360 VIEWER
   ============================================================ */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.portfolio-item {
  position: relative; cursor: pointer;
  background-color: var(--surface); border: 1px solid var(--border);
  overflow: hidden; aspect-ratio: 4/3;
  transition: border-color var(--transition);
}
.portfolio-item:hover { border-color: var(--gold); }
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.65) grayscale(0.2); transition: filter var(--transition), transform 0.5s ease; }
.portfolio-item:hover img { filter: brightness(0.82) grayscale(0); transform: scale(1.05); }
.portfolio-item-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 1.5rem; background: linear-gradient(to top, rgba(7,7,7,0.9) 0%, transparent 60%); }
.portfolio-badge { position: absolute; top: 1rem; right: 1rem; background-color: var(--gold); color: var(--black); font-size: 0.58rem; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; padding: 0.28rem 0.65rem; }

/* 360 VIEWER */
.viewer-container { width: 100%; height: 500px; background-color: var(--surface); border: 1px solid var(--border); position: relative; overflow: hidden; }
.viewer-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; color: var(--muted); }
.viewer-placeholder-icon { font-size: 3rem; opacity: 0.25; }
.viewer-embed-slot { width: 100%; height: 500px; border: none; display: block; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.8rem 0; cursor: pointer; color: var(--white);
  font-size: 0.98rem; font-weight: 400;
  background: none; border: none; width: 100%; text-align: left;
  font-family: 'DM Sans', sans-serif; gap: 1rem;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--gold); }
.faq-icon { font-size: 1.2rem; color: var(--gold); flex-shrink: 0; transition: transform var(--transition); }
.faq-icon.rotated { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; color: var(--muted); font-size: 0.92rem; padding: 0; }
.faq-answer.open { max-height: 500px; padding-bottom: 1.8rem; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-img-wrap { position: relative; }
.about-img-wrap img { width: 100%; height: auto; max-height: 420px; object-fit: cover; filter: grayscale(0.3) brightness(0.8); }
.about-img-wrap::after { content: ''; position: absolute; bottom: -1.5rem; right: -1.5rem; width: 60%; height: 60%; border: 1px solid var(--gold); z-index: -1; }
.credential-item { display: flex; gap: 1rem; align-items: flex-start; padding: 1rem 1.5rem; background-color: var(--surface); border-left: 2px solid var(--gold); margin-bottom: 1rem; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE — TABLET (max-width: 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  #site-header { padding: 0 2rem; }
  .grid-2 { grid-template-columns: 1fr; gap: 3rem; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  #footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .about-img-wrap::after { display: none; }
}

/* ============================================================
   RESPONSIVE — MOBILE (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  #site-header { padding: 0 1.5rem; }
  #main-nav, #nav-cta { display: none; }
  #mobile-toggle { display: flex; }
  .container { padding: 0 1.25rem; }
  .section { padding: 4rem 0; }
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.8rem; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  #footer-grid { grid-template-columns: 1fr; }
  #footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .portfolio-grid { grid-template-columns: 1fr; }
  #hero-actions { flex-direction: column; }
  .stat-number { font-size: 3rem; }
  .viewer-container, .viewer-embed-slot { height: 280px; }
  .pricing-table th, .pricing-table td { padding: 0.9rem 0.75rem; }
  .process-step { flex-direction: column; gap: 1rem; }
  #page-hero { padding: calc(var(--nav-height) + 3rem) 0 3rem; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  .stat-number { font-size: 2.4rem; }
  .card { padding: 1.5rem; }
  .service-card-body { padding: 1.25rem; }
  .pricing-table { font-size: 0.8rem; }
}