/* ==========================================================================
   DUKES MEN — STYLESHEET
   Colour palette: Charcoal / Dark navy / Off-white / Muted gold accent
   ========================================================================== */

:root {
  --clr-navy:        #0f1a2e;
  --clr-charcoal:    #1e2530;
  --clr-charcoal-lt: #2c3444;
  --clr-gold:        #b89a5e;
  --clr-gold-lt:     #d4b97a;
  --clr-offwhite:    #f5f3ef;
  --clr-white:       #ffffff;
  --clr-grey-100:    #f0eee9;
  --clr-grey-200:    #d8d4cb;
  --clr-grey-400:    #9a9488;
  --clr-grey-600:    #5e5a53;
  --clr-text:        #1e2530;
  --clr-text-light:  #5e5a53;
  --font-display:    'Playfair Display', Georgia, serif;
  --font-body:       'Inter', system-ui, sans-serif;
  --radius-sm:       4px;
  --radius-md:       8px;
  --radius-lg:       16px;
  --shadow-sm:       0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md:       0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:       0 8px 32px rgba(0,0,0,0.14);
  --max-width:       1140px;
  --section-pad:     80px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--clr-text); background: var(--clr-offwhite); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-pad) 0; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-eyebrow { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--clr-gold); margin-bottom: 12px; }
.section-heading { font-family: var(--font-display); font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; line-height: 1.2; color: var(--clr-navy); margin-bottom: 16px; }
.section-subheading { font-size: 1.05rem; color: var(--clr-text-light); max-width: 540px; margin: 0 auto; }

.btn { display: inline-block; font-family: var(--font-body); font-size: 0.9rem; font-weight: 600; letter-spacing: 0.03em; padding: 14px 28px; border-radius: var(--radius-sm); border: 2px solid transparent; cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s; text-align: center; white-space: nowrap; }
.btn-primary { background: var(--clr-gold); color: var(--clr-navy); border-color: var(--clr-gold); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--clr-gold-lt); border-color: var(--clr-gold-lt); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--clr-offwhite); border-color: rgba(245,243,239,0.45); }
.btn-secondary:hover, .btn-secondary:focus-visible { background: rgba(245,243,239,0.08); border-color: var(--clr-offwhite); transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--clr-gold); outline-offset: 3px; }

/* Navigation */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: transparent; transition: background 0.3s, box-shadow 0.3s; }
.site-header.scrolled { background: var(--clr-navy); box-shadow: 0 2px 16px rgba(0,0,0,0.3); }
.nav-container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; height: 68px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { flex-shrink: 0; display: flex; align-items: center; }
.nav-logo-img { height: 44px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link { font-size: 0.875rem; font-weight: 500; color: rgba(245,243,239,0.8); padding: 8px 14px; border-radius: var(--radius-sm); transition: color 0.2s, background 0.2s; }
.nav-link:hover { color: var(--clr-offwhite); background: rgba(255,255,255,0.06); }
.nav-link.nav-cta { background: var(--clr-gold); color: var(--clr-navy); font-weight: 600; margin-left: 8px; padding: 8px 20px; }
.nav-link.nav-cta:hover { background: var(--clr-gold-lt); color: var(--clr-navy); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--clr-offwhite); border-radius: 2px; transition: transform 0.25s, opacity 0.25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { background: var(--clr-navy); min-height: 100vh; display: flex; align-items: center; padding-top: 68px; position: relative; overflow: hidden; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 70% 50%, rgba(184,154,94,0.06) 0%, transparent 70%), radial-gradient(ellipse 60% 80% at 20% 80%, rgba(15,26,46,0.8) 0%, transparent 60%); pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding-top: 40px; padding-bottom: 80px; position: relative; z-index: 1; }
.hero-eyebrow { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--clr-gold); margin-bottom: 20px; }
.hero-heading { font-family: var(--font-display); font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 700; line-height: 1.15; color: var(--clr-offwhite); margin-bottom: 24px; }
.hero-body { font-size: 1.1rem; line-height: 1.7; color: rgba(245,243,239,0.75); max-width: 480px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-graphic { display: flex; justify-content: center; align-items: center; }
.hero-graphic-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; width: 100%; max-width: 380px; }
.graphic-card { background: var(--clr-charcoal); border: 1px solid rgba(184,154,94,0.15); border-radius: var(--radius-md); padding: 24px 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 10px; font-size: 0.875rem; font-weight: 500; color: rgba(245,243,239,0.8); transition: border-color 0.2s, transform 0.2s; }
.graphic-card:hover { border-color: var(--clr-gold); transform: translateY(-2px); }
.graphic-icon { font-size: 1.2rem; color: var(--clr-gold); }

/* Services */
.services { background: var(--clr-offwhite); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.service-card { background: var(--clr-white); border: 1px solid var(--clr-grey-200); border-radius: var(--radius-md); padding: 32px 28px; transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s; }
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--clr-gold); }
.service-icon { width: 44px; height: 44px; color: var(--clr-gold); margin-bottom: 20px; }
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--clr-navy); margin-bottom: 12px; line-height: 1.35; }
.service-card p { font-size: 0.9rem; color: var(--clr-text-light); line-height: 1.65; }

/* Process */
.process { background: var(--clr-charcoal); color: var(--clr-offwhite); }
.process .section-heading { color: var(--clr-offwhite); }
.process .section-subheading { color: rgba(245,243,239,0.65); }
.process-steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0; position: relative; }
.process-steps::before { content: ''; position: absolute; top: 38px; left: 0; right: 0; height: 1px; background: rgba(184,154,94,0.2); z-index: 0; }
.process-step { position: relative; z-index: 1; padding: 0 24px 0 0; }
.process-number { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; color: var(--clr-gold); line-height: 1; margin-bottom: 24px; position: relative; display: inline-block; }
.process-number::after { content: ''; position: absolute; bottom: -8px; left: 0; width: 32px; height: 2px; background: var(--clr-gold); }
.process-content h3 { font-size: 1rem; font-weight: 600; color: var(--clr-offwhite); margin-bottom: 12px; padding-top: 8px; }
.process-content p { font-size: 0.875rem; color: rgba(245,243,239,0.6); line-height: 1.65; }

/* Why */
.why { background: var(--clr-grey-100); }
.why-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.why-card { background: var(--clr-white); border-radius: var(--radius-md); padding: 28px 24px; border-left: 3px solid var(--clr-gold); box-shadow: var(--shadow-sm); transition: box-shadow 0.2s, transform 0.2s; }
.why-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.why-icon { font-size: 1.1rem; color: var(--clr-gold); margin-bottom: 14px; font-weight: 700; }
.why-card h3 { font-size: 0.95rem; font-weight: 600; color: var(--clr-navy); margin-bottom: 10px; line-height: 1.35; }
.why-card p { font-size: 0.875rem; color: var(--clr-text-light); line-height: 1.65; }

/* Use Cases */
.usecases { background: var(--clr-offwhite); }
.usecases-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.usecase-card { background: var(--clr-white); border-radius: var(--radius-md); padding: 28px 24px; border: 1px solid var(--clr-grey-200); transition: box-shadow 0.2s, transform 0.2s; }
.usecase-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.usecase-tag { display: inline-block; background: rgba(184,154,94,0.12); color: var(--clr-gold); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 10px; border-radius: 100px; margin-bottom: 14px; }
.usecase-card h3 { font-size: 1rem; font-weight: 600; color: var(--clr-navy); margin-bottom: 10px; line-height: 1.35; }
.usecase-card p { font-size: 0.875rem; color: var(--clr-text-light); line-height: 1.65; }

/* Portfolio */
.portfolio { background: var(--clr-charcoal); }
.portfolio .section-heading { color: var(--clr-offwhite); }
.portfolio .section-subheading { color: rgba(245,243,239,0.6); }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.portfolio-card { background: var(--clr-charcoal-lt); border: 1px solid rgba(184,154,94,0.12); border-radius: var(--radius-md); overflow: hidden; display: flex; flex-direction: column; transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s; }
.portfolio-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.3); border-color: rgba(184,154,94,0.3); }
.portfolio-card-top { padding: 32px 24px 20px; display: flex; flex-direction: column; gap: 14px; min-height: 120px; justify-content: flex-end; }
.portfolio-palette { display: flex; gap: 6px; }
.portfolio-palette span { width: 16px; height: 16px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.15); }
.portfolio-industry-tag { display: inline-block; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 10px; border-radius: 100px; width: fit-content; }
.portfolio-card-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.portfolio-card-body h3 { font-size: 1.15rem; font-weight: 600; color: var(--clr-offwhite); line-height: 1.3; }
.portfolio-card-body p { font-size: 0.875rem; color: rgba(245,243,239,0.6); line-height: 1.7; }
.portfolio-deliverables { display: flex; flex-direction: column; gap: 4px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); margin: 4px 0; }
.portfolio-deliverables li { font-size: 0.8rem; color: rgba(245,243,239,0.5); padding-left: 14px; position: relative; }
.portfolio-deliverables li::before { content: '—'; position: absolute; left: 0; color: var(--clr-gold); }
.portfolio-link { font-size: 0.875rem; font-weight: 600; color: var(--clr-gold); text-decoration: none; align-self: flex-start; margin-top: auto; padding-top: 8px; }
.portfolio-link:hover { color: var(--clr-gold-lt); text-decoration: underline; text-underline-offset: 3px; }

/* About */
.about { background: var(--clr-navy); color: var(--clr-offwhite); }
.about .section-heading { color: var(--clr-offwhite); text-align: left; }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-content .section-eyebrow { text-align: left; }
.about-content p { font-size: 1rem; color: rgba(245,243,239,0.75); line-height: 1.75; margin-bottom: 18px; }
.about-content .btn { margin-top: 8px; }
.about-visual { display: flex; justify-content: center; }
.about-accent-block { background: var(--clr-charcoal); border: 1px solid rgba(184,154,94,0.2); border-radius: var(--radius-lg); padding: 48px 40px; display: flex; flex-direction: column; gap: 40px; width: 100%; max-width: 340px; }
.about-stat { display: flex; flex-direction: column; gap: 6px; }
.about-stat-number { font-family: var(--font-display); font-size: 2.8rem; font-weight: 700; color: var(--clr-gold); line-height: 1; }
.about-stat-label { font-size: 0.85rem; color: rgba(245,243,239,0.55); font-weight: 400; letter-spacing: 0.02em; }

/* Contact */
.contact { background: var(--clr-charcoal); color: var(--clr-offwhite); }
.contact .section-heading { color: var(--clr-offwhite); }
.contact .section-subheading { color: rgba(245,243,239,0.65); }
.contact-inner { display: grid; grid-template-columns: 1fr 380px; gap: 64px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: rgba(245,243,239,0.6); }
.required { color: var(--clr-gold); }
.form-optional { font-weight: 400; text-transform: none; letter-spacing: 0; font-size: 0.75rem; color: rgba(245,243,239,0.4); }
.form-group input, .form-group textarea, .form-group select { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-sm); padding: 12px 14px; font-family: var(--font-body); font-size: 0.9rem; color: var(--clr-offwhite); transition: border-color 0.2s, background 0.2s; width: 100%; }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(245,243,239,0.25); }
.form-group select option { background: var(--clr-charcoal); color: var(--clr-offwhite); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--clr-gold); background: rgba(255,255,255,0.07); }
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit { align-self: flex-start; margin-top: 4px; }
.contact-form-wrap { display: flex; flex-direction: column; gap: 0; }
[data-fs-success] { display: none; background: rgba(125,211,168,0.1); border: 1px solid rgba(125,211,168,0.3); border-radius: var(--radius-md); padding: 20px 24px; color: #7dd3a8; font-size: 0.95rem; margin-bottom: 20px; }
[data-fs-error]:not(:empty) { background: rgba(240,128,128,0.1); border: 1px solid rgba(240,128,128,0.25); border-radius: var(--radius-sm); padding: 10px 14px; color: #f08080; font-size: 0.8rem; margin-bottom: 8px; }
.fs-field-error:not(:empty) { color: #f08080; font-size: 0.78rem; margin-top: 4px; display: block; }
.fs-error-global:not(:empty) { background: rgba(240,128,128,0.1); border: 1px solid rgba(240,128,128,0.25); border-radius: var(--radius-sm); padding: 12px 16px; color: #f08080; font-size: 0.875rem; margin-bottom: 16px; }
input[aria-invalid="true"], textarea[aria-invalid="true"], select[aria-invalid="true"] { border-color: #f08080; }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.contact-info-block h3 { font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--clr-gold); margin-bottom: 14px; }
.contact-info-block p { font-size: 0.9rem; color: rgba(245,243,239,0.65); line-height: 1.65; }
.contact-details-list { display: flex; flex-direction: column; gap: 12px; }
.contact-details-list li { font-size: 0.9rem; color: rgba(245,243,239,0.65); display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.contact-details-list a { color: var(--clr-gold-lt); text-decoration: underline; text-underline-offset: 3px; }

/* Footer */
.footer { background: var(--clr-navy); border-top: 1px solid rgba(184,154,94,0.15); padding: 48px 0 32px; }
.footer-inner { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; }
.footer-logo-img { height: 48px; width: auto; display: block; }
.footer-byline { font-size: 0.875rem; color: rgba(245,243,239,0.45); }
.footer-legal { font-size: 0.8rem; color: rgba(245,243,239,0.3); padding-top: 8px; border-top: 1px solid rgba(255,255,255,0.07); width: 100%; text-align: center; }

/* Tablet */
@media (max-width: 900px) {
  :root { --section-pad: 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-body { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-graphic-inner { max-width: 320px; margin: 0 auto; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about .section-heading, .about-content .section-eyebrow { text-align: center; }
  .about-content p { text-align: center; }
  .about-content .btn { display: block; width: fit-content; margin-left: auto; margin-right: auto; }
  .about-accent-block { flex-direction: row; flex-wrap: wrap; max-width: 100%; gap: 24px; justify-content: space-around; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .process-steps::before { display: none; }
  .process-steps { grid-template-columns: 1fr; gap: 40px; }
}

/* Mobile */
@media (max-width: 640px) {
  :root { --section-pad: 48px; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--clr-navy); flex-direction: column; padding: 12px 16px 24px; gap: 0; border-top: 1px solid rgba(255,255,255,0.08); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
  .nav-links.open { display: flex; }
  .nav-link { padding: 16px 14px; font-size: 1rem; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-link.nav-cta { margin-left: 0; text-align: center; margin-top: 12px; border-bottom: none; border-radius: var(--radius-sm); }
  .nav-toggle { display: flex; }
  .hero-heading { font-size: 2rem; }
  .hero-body { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .services-grid, .why-grid, .usecases-grid { grid-template-columns: 1fr; }
  .section-heading { font-size: 1.75rem; }
  .about-stat-number { font-size: 2.2rem; }
  .btn-submit { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}
:focus-visible { outline: 2px solid var(--clr-gold); outline-offset: 3px; }