/* =============================================
   ASCENT TRADEX — B2B PROCUREMENT PLATFORM
   Industrial · Authoritative · Functional
   ============================================= */

:root {
  --black:      #0c0c0c;
  --dark:       #131313;
  --dark-2:     #1c1c1c;
  --dark-3:     #242424;
  --border:     rgba(255,255,255,0.07);
  --border-gold: rgba(194,154,70,0.25);
  --gold:       #c29a46;
  --gold-light: #d9b868;
  --gold-dim:   rgba(194,154,70,0.12);
  --white:      #f0ede8;
  --white-70:   rgba(240,237,232,0.7);
  --white-40:   rgba(240,237,232,0.4);
  --white-10:   rgba(240,237,232,0.07);
  --green:      #2ecc71;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --nav-h: 68px;
  --max-w: 1300px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.65;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gold); }

/* ===== NAV ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(12,12,12,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
}

#navbar.scrolled { border-bottom-color: var(--border-gold); }

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }

.logo-mark {
  width: 36px; height: 36px;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 1px; flex-shrink: 0;
}

.logo-text { display: flex; flex-direction: column; }
.logo-name {
  font-family: var(--font-mono);
  font-size: 13px; font-weight: 500;
  letter-spacing: 2px; color: var(--white); line-height: 1.1;
}
.logo-sub {
  font-family: var(--font-mono);
  font-size: 8px; font-weight: 400;
  letter-spacing: 2px; color: var(--gold); line-height: 1.2; margin-top: 2px;
}

.nav-links {
  list-style: none;
  display: flex; align-items: center; gap: 36px;
}

.nav-links a {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 400;
  letter-spacing: 2px; color: var(--white-70);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--gold) !important;
  color: var(--black) !important;
  padding: 9px 20px;
  font-weight: 500 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--gold-light) !important; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--white); transition: all 0.3s; }

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--dark);
  border-bottom: 1px solid var(--border-gold);
  z-index: 199; padding: 24px 32px;
  transform: translateY(-110%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu ul { list-style: none; }
.mobile-menu li { border-bottom: 1px solid var(--border); padding: 14px 0; }
.mobile-link {
  font-family: var(--font-mono); font-size: 14px;
  letter-spacing: 2px; color: var(--white); text-decoration: none;
}
.mobile-cta {
  color: var(--gold) !important;
  font-weight: 500;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: var(--gold); color: var(--black);
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 1.5px; padding: 14px 28px;
  text-decoration: none; border: none; cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); }

.btn-ghost {
  display: inline-block;
  background: transparent; color: var(--white);
  font-family: var(--font-mono); font-size: 12px; font-weight: 400;
  letter-spacing: 1.5px; padding: 14px 28px;
  text-decoration: none; border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-full { width: 100%; text-align: center; }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding-top: var(--nav-h); overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; }

.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--white-10) 1px, transparent 1px),
    linear-gradient(90deg, var(--white-10) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 75% 50%, rgba(194,154,70,0.07) 0%, transparent 70%);
}

.hero-content {
  position: relative; z-index: 2;
  max-width: var(--max-w); margin: 0 auto;
  padding: 80px 40px 100px;
  width: 100%; display: grid;
  grid-template-columns: 1fr 420px;
  grid-template-rows: auto;
  gap: 0 60px;
  align-items: center;
}

.hero-eyebrow {
  grid-column: 1; grid-row: 1;
  font-family: var(--font-mono); font-size: 10px;
  font-weight: 400; letter-spacing: 4px; color: var(--gold);
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}

.eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-headline {
  grid-column: 1; grid-row: 2;
  font-family: var(--font-display);
  font-size: clamp(64px, 8vw, 110px);
  line-height: 0.92; letter-spacing: 2px;
  color: var(--white); margin-bottom: 28px;
}
.hero-headline em { font-style: normal; color: var(--gold); }

.hero-sub {
  grid-column: 1; grid-row: 3;
  font-size: 15px; font-weight: 300;
  color: var(--white-70); max-width: 500px;
  line-height: 1.8; margin-bottom: 36px;
}

.hero-actions {
  grid-column: 1; grid-row: 4;
  display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px;
}

.hero-trust {
  grid-column: 1; grid-row: 5;
  display: flex; flex-wrap: wrap; gap: 20px;
}

.trust-item {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 1px; color: var(--white-40);
  display: flex; align-items: center; gap: 6px;
}
.trust-icon { color: var(--green); font-size: 11px; }

.hero-metals-visual {
  grid-column: 2; grid-row: 1 / 6;
  display: flex; align-items: center; justify-content: center;
}

.metal-tag-cloud {
  display: flex; flex-direction: column; gap: 10px; width: 100%;
}

.mtag {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 12px;
  font-weight: 500; letter-spacing: 1.5px; color: var(--white);
  transition: border-color 0.2s, background 0.2s;
  cursor: default;
}
.mtag:hover { background: var(--dark-3); border-color: var(--gold); }
.mtag span {
  font-size: 10px; font-weight: 400;
  color: var(--gold); letter-spacing: 1px;
}

/* staggered entry */
.mtag-1 { animation: slideIn 0.6s 0.1s both; }
.mtag-2 { animation: slideIn 0.6s 0.2s both; }
.mtag-3 { animation: slideIn 0.6s 0.3s both; }
.mtag-4 { animation: slideIn 0.6s 0.4s both; }
.mtag-5 { animation: slideIn 0.6s 0.5s both; }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ===== HOW IT WORKS ===== */
.hiw {
  background: var(--dark);
  border-top: 1px solid var(--border);
}

.section-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 100px 40px;
}

.section-header { margin-bottom: 64px; }

.section-tag {
  font-family: var(--font-mono); font-size: 10px;
  font-weight: 400; letter-spacing: 4px; color: var(--gold);
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.section-tag::before {
  content: ''; display: block; width: 20px; height: 1px; background: var(--gold);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 5.5vw, 72px);
  line-height: 0.94; letter-spacing: 2px; color: var(--white);
}
.section-title em { font-style: normal; color: var(--gold); }

.steps-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--border);
}

.step {
  padding: 48px 40px;
  border-right: 1px solid var(--border);
  position: relative;
}
.step:last-child { border-right: none; }

.step-num {
  font-family: var(--font-display);
  font-size: 72px; color: rgba(194,154,70,0.1);
  line-height: 1; margin-bottom: 20px;
  letter-spacing: 0;
}

.step-body h3 {
  font-family: var(--font-mono); font-size: 14px;
  font-weight: 500; letter-spacing: 2px;
  color: var(--white); text-transform: uppercase;
  margin-bottom: 12px;
}
.step-body p { font-size: 14px; color: var(--white-70); line-height: 1.75; }

/* ===== METALS ===== */
.metals {
  background: var(--black);
  border-top: 1px solid var(--border);
}

.metals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.metal-card {
  background: var(--dark);
  padding: 40px 36px;
  transition: background 0.25s;
  position: relative; overflow: hidden;
}
.metal-card:hover { background: var(--dark-2); }

.metal-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s;
}
.metal-card:hover::after { transform: scaleX(1); }

.metal-card-top {
  display: flex; align-items: flex-start;
  justify-content: space-between; margin-bottom: 16px;
}

.metal-symbol {
  font-family: var(--font-display);
  font-size: 52px; color: rgba(194,154,70,0.15);
  line-height: 1; letter-spacing: 0;
}

.metal-badge {
  font-family: var(--font-mono); font-size: 8px;
  font-weight: 500; letter-spacing: 2px;
  color: var(--gold); border: 1px solid var(--border-gold);
  padding: 4px 8px; white-space: nowrap; height: fit-content;
}

.metal-card h3 {
  font-family: var(--font-mono); font-size: 15px;
  font-weight: 500; letter-spacing: 2px;
  color: var(--white); text-transform: uppercase;
  margin-bottom: 20px;
}

.metal-spec-row {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--white-10);
  border-left: 2px solid var(--border-gold);
}

.spec { display: flex; justify-content: space-between; align-items: center; }
.spec-label {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--white-40); letter-spacing: 1px; text-transform: uppercase;
}
.spec-val {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--white); letter-spacing: 1px; font-weight: 500;
}

.metal-desc {
  font-size: 13px; color: var(--white-70);
  line-height: 1.75; margin-bottom: 24px;
}

.metal-rfq-btn {
  font-family: var(--font-mono); font-size: 11px;
  font-weight: 500; letter-spacing: 2px;
  color: var(--gold); text-decoration: none;
  display: flex; align-items: center; gap: 6px;
  transition: gap 0.2s;
}
.metal-rfq-btn:hover { gap: 12px; }

/* CTA card */
.metal-card-cta {
  background: var(--dark-2);
  display: flex; align-items: center; justify-content: center;
}
.cta-card-inner { text-align: center; padding: 20px; }
.cta-card-icon {
  font-size: 40px; color: var(--gold);
  display: block; margin-bottom: 20px;
}
.metal-card-cta h3 {
  font-family: var(--font-mono); font-size: 14px;
  font-weight: 500; letter-spacing: 1.5px;
  color: var(--white); text-transform: uppercase;
  margin-bottom: 14px;
}
.metal-card-cta p {
  font-size: 13px; color: var(--white-70);
  line-height: 1.75; margin-bottom: 28px;
}

/* ===== ABOUT ===== */
.about {
  background: var(--dark);
  border-top: 1px solid var(--border);
}

.about-grid {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 80px; align-items: start;
}

.about-compliance {
  margin-top: 40px;
  border: 1px solid var(--border);
}

.comp-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.comp-row:last-child { border-bottom: none; }
.comp-key {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 2px; color: var(--white-40); text-transform: uppercase;
}
.comp-val {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--white); letter-spacing: 1px;
}

.about-lead {
  font-size: 17px; font-weight: 400;
  color: var(--white); line-height: 1.75;
  margin-bottom: 24px;
  border-left: 2px solid var(--gold); padding-left: 20px;
}
.about-body {
  font-size: 14px; color: var(--white-70);
  line-height: 1.8; margin-bottom: 20px;
}

.about-pillars { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.pillar {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 16px; background: var(--white-10);
  border-left: 2px solid var(--border-gold);
}
.pillar-icon { color: var(--gold); font-size: 12px; flex-shrink: 0; margin-top: 2px; }
.pillar-text { font-size: 13px; color: var(--white-70); line-height: 1.6; }

/* ===== RFQ ===== */
.rfq {
  background: var(--black);
  border-top: 1px solid var(--border);
  position: relative; overflow: hidden;
}

.rfq-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 20% 50%, rgba(194,154,70,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.rfq-grid {
  display: grid; grid-template-columns: 1fr 1.3fr;
  gap: 80px; align-items: start;
}

.rfq-sub {
  font-size: 14px; color: var(--white-70);
  line-height: 1.8; margin: 20px 0 40px; max-width: 360px;
}

.rfq-promise {
  display: flex; align-items: center; gap: 0;
  border: 1px solid var(--border);
}
.promise-item {
  flex: 1; padding: 20px; text-align: center;
}
.promise-num {
  display: block;
  font-family: var(--font-display); font-size: 32px;
  color: var(--gold); line-height: 1; margin-bottom: 6px;
  letter-spacing: 1px;
}
.promise-label {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 2px; color: var(--white-40);
  text-transform: uppercase;
}
.promise-divider { width: 1px; height: 60px; background: var(--border); }

/* FORM */
.rfq-form { display: flex; flex-direction: column; gap: 16px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-group { display: flex; flex-direction: column; gap: 7px; }

.form-group label {
  font-family: var(--font-mono); font-size: 10px;
  font-weight: 400; letter-spacing: 2px;
  color: var(--white-40); text-transform: uppercase;
}
.req { color: var(--gold); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--dark-2);
  border: 1px solid var(--border);
  color: var(--white);
  font-family: var(--font-body); font-size: 14px;
  font-weight: 300; padding: 12px 14px;
  outline: none; transition: border-color 0.2s;
  resize: none; appearance: none; -webkit-appearance: none;
  border-radius: 0;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--gold); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--white-40); font-size: 13px; }
.form-group select option { background: var(--dark-2); color: var(--white); }

.form-divider {
  display: flex; align-items: center; gap: 16px;
  color: var(--white-40); margin: 4px 0;
}
.form-divider::before, .form-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.form-divider span {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 3px; white-space: nowrap;
}

.btn-submit {
  margin-top: 8px;
  font-size: 12px; padding: 16px;
}

.form-note {
  font-size: 11px; color: var(--white-40);
  text-align: center; line-height: 1.6;
}

/* CONFIRMATION */
.rfq-confirmation {
  background: var(--dark-2);
  border: 1px solid var(--border-gold);
  padding: 48px 40px;
  text-align: center;
}

.confirm-icon {
  width: 56px; height: 56px;
  background: var(--green); color: #fff;
  border-radius: 50%;
  font-size: 24px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
}

.rfq-confirmation h3 {
  font-family: var(--font-mono); font-size: 16px;
  font-weight: 500; letter-spacing: 2px;
  color: var(--white); text-transform: uppercase;
  margin-bottom: 10px;
}

.rfq-confirmation p {
  font-size: 14px; color: var(--white-70); margin-bottom: 28px;
}

.confirm-ref {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--gold); letter-spacing: 2px;
  margin-bottom: 32px;
}

.confirm-steps {
  display: flex; flex-direction: column; gap: 0;
  text-align: left; border: 1px solid var(--border);
  margin-bottom: 28px;
}

.cstep {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.cstep:last-child { border-bottom: none; }

.cstep-dot {
  width: 10px; height: 10px; border-radius: 50%;
  flex-shrink: 0;
}
.cstep.done .cstep-dot { background: var(--green); }
.cstep.active .cstep-dot {
  background: var(--gold);
  box-shadow: 0 0 8px rgba(194,154,70,0.5);
  animation: pulse 1.5s ease infinite;
}
.cstep.pending .cstep-dot {
  background: transparent; border: 1px solid var(--border);
}

.cstep-label {
  flex: 1; font-size: 13px; color: var(--white);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px;
}
.cstep.pending .cstep-label { color: var(--white-40); }
.cstep-time {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--white-40); letter-spacing: 1px;
}
.cstep.active .cstep-time { color: var(--gold); }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark-2);
  border-top: 1px solid var(--border-gold);
  padding: 56px 0 32px;
}

.footer-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 40px;
}

.footer-top {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 40px;
  border-bottom: 1px solid var(--border); margin-bottom: 24px;
}

.footer-tagline {
  font-size: 13px; color: var(--white-40);
  margin-top: 12px; line-height: 1.5;
}

.footer-links {
  display: flex; flex-direction: column; gap: 12px; padding-top: 4px;
}
.footer-links a {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 2px; color: var(--white-70);
  text-decoration: none; transition: color 0.2s;
}
.footer-links a:hover { color: var(--gold); }

.footer-contact-label {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 3px; color: var(--white-40); margin-bottom: 8px;
}
.footer-email {
  display: block; font-family: var(--font-mono);
  font-size: 13px; color: var(--gold);
  text-decoration: none; margin-bottom: 8px;
  transition: color 0.2s;
}
.footer-email:hover { color: var(--gold-light); }
.footer-gstin {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--white-40); letter-spacing: 1px;
}

.footer-bottom p {
  font-size: 11px; color: var(--white-40);
  font-family: var(--font-mono); letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.footer-disclaimer {
  font-size: 11px; color: rgba(240,237,232,0.2);
  line-height: 1.6;
}

/* ===== REVEAL ===== */
.reveal {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.hidden { opacity: 0; transform: translateY(24px); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-metals-visual { display: none; }
  .metals-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .rfq-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: block; }
  .nav-inner { padding: 0 20px; }
  .section-inner { padding: 72px 24px; }
  .steps-row { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--border); }
  .step:last-child { border-bottom: none; }
  .metals-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .rfq-promise { flex-direction: column; }
  .promise-divider { width: 100%; height: 1px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .hero-content { padding: 60px 24px 80px; }
}