/* =============================================
   ALEXPAPA — Marine Coatings Inspection
   style.css
   =============================================
   1.  Variables & Reset
   2.  Typography
   3.  Layout Utilities
   4.  Navigation
   5.  Hero Section
   6.  Feature Boxes (Homepage)
   7.  Page Headers (inner pages)
   8.  About Page
   9.  Stats Bar
   10. Experience Page
   11. Certifications Page
   12. Projects Page
   13. Articles Page
   14. Contact Page
   15. Footer
   16. Scroll Animations
   17. Responsive Breakpoints
   ============================================= */

/* ── 1. VARIABLES & RESET ─────────────────── */
:root {
  /* Brand colours — from concept spec */
  --primary:     #071827;   /* main dark bg */
  --secondary:   #0A2740;   /* secondary dark bg */
  --accent:      #D4A64A;   /* gold — active states, decorations */

  /* Legacy aliases kept for inner pages */
  --navy-dark:   #071827;
  --navy:        #0A2740;
  --navy-light:  #0c2d4a;
  --blue:        #1d4ed8;
  --blue-hover:  #1e40af;

  --white:       #ffffff;
  --off-white:   #f8fafc;
  --gray-light:  #e2e8f0;
  --gray:        #94a3b8;
  --gray-dark:   #475569;
  --text:        #1a2f4a;
  --text-light:  #64748b;

  --shadow-sm:  0 1px 4px rgba(0,0,0,.08);
  --shadow:     0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:  0 16px 48px rgba(0,0,0,.16);

  --transition: .3s cubic-bezier(.4,0,.2,1);
  --radius:     8px;
  --radius-lg:  16px;
  --max-width:  1200px;
  --nav-h:      88px;
}

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  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; }

/* ── 2. TYPOGRAPHY ───────────────────────── */
h1 { font-size: clamp(2rem,   5vw, 3.5rem); font-weight: 700; line-height: 1.10; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; line-height: 1.20; letter-spacing: -.01em; }
h3 { font-size: clamp(1.05rem,2vw, 1.35rem); font-weight: 600; line-height: 1.30; }
h4 { font-size: 1rem;  font-weight: 600; }
p  { font-size: .97rem; line-height: 1.75; color: var(--text-light); }

/* ── 3. LAYOUT UTILITIES ─────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

.section       { padding: 88px 0; }
.section--alt  { background: var(--off-white); }

/* Section heading with gold accent underline */
.section-header          { margin-bottom: 52px; }
.section-header h2       { position: relative; display: inline-block; padding-bottom: 14px; }
.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 48px; height: 3px;
  background: var(--accent);          /* gold accent */
  border-radius: 2px;
}
.section-header p {
  color: var(--text-light);
  font-size: 1.05rem;
  margin-top: 10px;
  max-width: 560px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 6px;
  font-size: .88rem; font-weight: 600; letter-spacing: .05em;
  transition: var(--transition); text-transform: uppercase;
  cursor: pointer; border: none; font-family: inherit;
}
.btn-primary {
  background: var(--blue); color: var(--white);
}
.btn-primary:hover {
  background: var(--blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(29,78,216,.38);
}
.btn-outline {
  border: 2px solid rgba(255,255,255,.30);
  color: var(--white);
}
.btn-outline:hover {
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--navy-dark); color: var(--white);
}
.btn-dark:hover {
  background: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13,27,42,.30);
}

/* ── 4. NAVIGATION ───────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: transparent;                       /* starts fully transparent over hero */
  transition: background .45s ease, box-shadow .45s ease;
}
.header.scrolled {
  background: var(--primary);                    /* solid #071827 after scroll */
  box-shadow: 0 2px 28px rgba(0,0,0,.45);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* Logo */
.nav-logo a { display: flex; flex-direction: column; line-height: 1; }
.logo-name {
  font-size: 1.45rem; font-weight: 800;
  color: var(--white); letter-spacing: .10em; text-transform: uppercase;
}
.logo-subtitle {
  font-size: .62rem; color: var(--accent);
  letter-spacing: .12em; text-transform: uppercase; margin-top: 5px;
}

/* Links */
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: rgba(255,255,255,.68);
  font-size: .78rem; font-weight: 500; letter-spacing: .09em;
  text-transform: uppercase; padding: 7px 12px; border-radius: 4px;
  transition: var(--transition); position: relative;
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); }
.nav-links a.active::after {
  content: '';
  position: absolute; bottom: 2px; left: 10px; right: 10px;
  height: 3px; background: var(--accent); border-radius: 2px;  /* gold underline */
}

/* Hamburger */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 4px; background: none; border: none; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px; transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Nav actions: separator + LinkedIn + CTA Contact */
.nav-actions {
  display: flex; align-items: center; gap: 10px;
  margin-left: 4px; padding-left: 18px;
  border-left: 1px solid rgba(255,255,255,.15);
}
.nav-li-btn {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08);
  color: var(--white); text-decoration: none; flex-shrink: 0;
  transition: background .2s, transform .15s;
}
.nav-li-btn:hover { background: rgba(255,255,255,.16); transform: translateY(-1px); }
.nav-li-btn svg { width: 16px; height: 16px; }
.nav-cta {
  padding: 7px 18px; border-radius: 6px;
  border: 1.5px solid var(--accent);
  color: var(--accent) !important; font-size: .78rem; font-weight: 600;
  letter-spacing: .09em; text-transform: uppercase;
  text-decoration: none; white-space: nowrap;
  transition: background .2s, color .2s;
}
.nav-cta:hover { background: var(--accent); color: var(--primary) !important; }
/* Contact shown in mobile drawer only */
.nav-contact-mobile { display: none; }

/* ── 5. HERO SECTION ─────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex; align-items: center;
  background: var(--primary);
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background: url('../images/hero-yacht.jpg') center / cover no-repeat;
  opacity: 1;
  animation: ken-burns 22s ease-in-out infinite alternate;
  will-change: transform;
}

.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(7,24,39,.05) 0%,
      rgba(7,24,39,.12) 50%,
      rgba(7,24,39,.60) 100%
    ),
    linear-gradient(
      to right,
      rgba(7,24,39,.76) 0%,
      rgba(7,24,39,.52) 32%,
      rgba(7,24,39,.14) 58%,
      rgba(7,24,39,.00) 100%
    );
}

.hero-content {
  position: relative; z-index: 1;
  max-width: 540px;
  padding-top: 0;
  animation: hero-enter .95s cubic-bezier(.4,0,.2,1) .15s both;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(29,78,216,.15);
  border: 1px solid rgba(29,78,216,.35);
  color: #93c5fd;
  font-size: .74rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  padding: 7px 18px; border-radius: 100px; margin-bottom: 26px;
}
.hero-badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #60a5fa;
  animation: pulse-dot 2.2s ease-in-out infinite;
}

/* Title */
.hero h1 {
  color: var(--white);
  font-size: clamp(3rem, 6.5vw, 5.8rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.025em;
  margin-bottom: 18px;
  white-space: nowrap;
  text-shadow: 0 4px 32px rgba(0,0,0,.45), 0 1px 6px rgba(0,0,0,.3);
}

/* Role / job title */
.hero-role {
  font-size: clamp(.72rem, .95vw, .82rem);
  color: var(--accent);
  font-weight: 600; letter-spacing: .24em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 14px;
}
.hero-role::before {
  content: '';
  display: inline-block;
  width: 32px; height: 2px;
  background: var(--accent);
  flex-shrink: 0;
}

/* Description */
.hero p:not(.hero-role):not(.hero-meta) {
  color: rgba(255,255,255,.84);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  max-width: 480px; line-height: 1.85; margin-bottom: 18px;
  text-shadow: 0 1px 10px rgba(0,0,0,.38);
}

/* Secondary info line */
.hero-meta {
  font-size: clamp(.68rem, .9vw, .76rem);
  color: rgba(255,255,255,.42);
  letter-spacing: .16em; text-transform: uppercase;
  margin-bottom: 42px;
  display: flex; align-items: center; gap: 10px;
}
.hero-meta::before {
  content: '';
  display: inline-block;
  width: 18px; height: 1px;
  background: rgba(255,255,255,.28);
  flex-shrink: 0;
}

.hero-btns { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* LEARN MORE — gold outlined button */
.btn-hero-outline {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 36px;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  background: transparent;
  font-size: .80rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; border-radius: 4px;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition);
}
.btn-hero-outline:hover {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(212,166,74,.28);
}
.btn-arrow-icon { font-size: .92rem; transition: transform var(--transition); }
.btn-hero-outline:hover .btn-arrow-icon { transform: translateX(5px); }

/* Scroll indicator */
.hero-scroll {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.3); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
}
.hero-scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

/* ── 6. FEATURE BOXES ────────────────────── */
.features { background: var(--primary); margin-top: 0; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}
.feature-item {
  padding: 52px 32px;
  border-right: 1px solid rgba(255,255,255,.10);
  text-align: center; transition: var(--transition);
}
.feature-item:first-child { border-left: none; }
.feature-item:last-child  { border-right: none; }
.feature-item:hover { background: rgba(255,255,255,.035); }

.feature-icon {
  width: 52px; height: 52px; margin: 0 auto 22px;
  background: none;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.feature-item:hover .feature-icon { transform: translateY(-4px); }
.feature-icon svg {
  width: 34px; height: 34px; stroke: var(--accent);
  fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}

.feature-item h3 {
  font-size: .78rem; font-weight: 700; color: var(--white);
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px;
}
.feature-item p { font-size: .88rem; line-height: 1.60; color: rgba(255,255,255,.50); }

/* ── 7. PAGE HEADERS ─────────────────────── */
.page-header {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  padding: 128px 0 68px;
}
.page-header-bg {
  position: absolute; inset: 0;
  background: url('../images/hero-yacht.jpg') center / cover no-repeat;
  opacity: .06;
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { color: var(--white); }
.page-header > .container > p {
  color: rgba(255,255,255,.6); font-size: 1.05rem;
  max-width: 500px; margin-top: 12px;
}

.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 22px; font-size: .78rem;
}
.breadcrumb a   { color: rgba(255,255,255,.45); transition: var(--transition); }
.breadcrumb a:hover { color: rgba(255,255,255,.9); }
.breadcrumb .sep    { color: rgba(255,255,255,.25); }
.breadcrumb .curr   { color: rgba(255,255,255,.8); }

/* ── 8. ABOUT PAGE ───────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: 72px; align-items: start;
}
.about-grid .section-header { margin-bottom: 20px; }

.about-image {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/5;
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-image-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.25); font-size: .8rem;
  letter-spacing: .12em; text-transform: uppercase;
}
/* Decorative accent on image */
.about-image-wrapper {
  position: relative;
}
.about-image-wrapper::before {
  content: '';
  position: absolute; bottom: -16px; left: -16px;
  width: 80px; height: 80px;
  border: 3px solid var(--blue);
  border-radius: var(--radius);
  z-index: -1;
  opacity: .5;
}

.about-text h2       { margin-bottom: 24px; }
.about-text p        { margin-bottom: 18px; }
.about-divider       { width: 48px; height: 3px; background: var(--blue); border-radius: 2px; margin: 28px 0; }
.about-text .lead    { font-size: 1.08rem; color: var(--text); font-weight: 500; }

/* ── 9. STATS BAR ────────────────────────── */
.stats-bar { background: var(--primary); padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }

.stat-item {
  text-align: center; padding: 8px 24px;
  border-right: 1px solid rgba(255,255,255,.08);
}
.stat-item:last-child { border-right: none; }

.stat-number {
  display: block;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 800; line-height: 1; margin-bottom: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, #f0c96a 100%);  /* gold */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: .72rem; color: rgba(255,255,255,.45);
  letter-spacing: .14em; text-transform: uppercase; font-weight: 500;
}

/* ── 10. EXPERIENCE PAGE ─────────────────── */
.exp-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 80px; align-items: start; }

.timeline { position: relative; padding-left: 36px; }
.timeline::before {
  content: '';
  position: absolute; left: 10px; top: 10px; bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--gray-light));
  border-radius: 2px;
}

.timeline-item { position: relative; margin-bottom: 44px; }
.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute; left: -30px; top: 7px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--accent), 0 0 12px rgba(212,166,74,.35);
  z-index: 1;
}
.timeline-date {
  display: inline-block;
  background: rgba(212,166,74,.10);
  color: var(--accent);
  border: 1px solid rgba(212,166,74,.28);
  font-size: .70rem; font-weight: 700;
  letter-spacing: .09em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 100px;
  margin-bottom: 8px;
}
.timeline-item h3  { color: var(--navy-dark); margin-bottom: 4px; font-size: 1.1rem; }
.timeline-company  { font-size: .9rem; color: var(--text-light); margin-bottom: 10px; font-style: italic; }
.timeline-item > p { font-size: .93rem; }

.exp-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.exp-card {
  background: var(--off-white); border-radius: var(--radius);
  padding: 22px 22px 20px; border-left: 3px solid var(--accent);
  transition: var(--transition);
}
.exp-card:nth-child(even) { background: var(--white); }
.exp-card:hover {
  background: var(--white); box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.exp-card-icon {
  width: 34px; height: 34px;
  background: rgba(7,24,39,.06);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.exp-card-icon svg {
  width: 17px; height: 17px;
  stroke: var(--navy-dark); fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.exp-card h4 {
  font-size: .76rem; font-weight: 700; color: var(--navy-dark);
  letter-spacing: .07em; text-transform: uppercase; margin-bottom: 8px;
}
.exp-card p { font-size: .87rem; line-height: 1.65; }

/* Skills tags */
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.skill-tag {
  background: rgba(29,78,216,.08); color: var(--blue);
  font-size: .72rem; font-weight: 600; padding: 4px 11px;
  border-radius: 100px; letter-spacing: .04em;
  border: 1px solid rgba(29,78,216,.18);
}

/* Instruments band — full-width dark strip */
.instruments-band {
  background: var(--primary);
  padding: 42px 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.instruments-inner {
  display: flex; align-items: center; gap: 36px; flex-wrap: wrap;
}
.instruments-inner > h3 {
  color: rgba(255,255,255,.55);
  font-size: .72rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
  white-space: nowrap; flex-shrink: 0;
  position: relative; padding-right: 36px;
}
.instruments-inner > h3::after {
  content: '';
  position: absolute; right: 0; top: 50%;
  transform: translateY(-50%);
  width: 1px; height: 28px;
  background: rgba(255,255,255,.12);
}
.instruments-band .skill-tag {
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.60);
  border-color: rgba(255,255,255,.12);
  transition: var(--transition);
}
.instruments-band .skill-tag:hover {
  background: rgba(255,255,255,.13);
  color: var(--white);
  border-color: rgba(255,255,255,.25);
}

/* ── 11. CERTIFICATIONS PAGE ─────────────── */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

.cert-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 34px 28px;           /* default: for emoji-icon cards (home, about) */
  transition: var(--transition);
  position: relative;
  text-align: center;
}
/* Cards with photo box: padding handled by .cert-body */
.cert-card:has(.cert-image) { padding: 0; }

/* Emoji icon (home / about pages) */
.cert-icon {
  width: 72px; height: 72px; margin: 0 auto 18px;
  background: var(--off-white); border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; transition: var(--transition);
}
.cert-card:hover .cert-icon { transform: scale(1.08); }
.cert-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #f0c96a);
  transform: scaleX(0); transform-origin: left;
  transition: var(--transition);
}
.cert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.cert-card:hover::after { transform: scaleX(1); }

/* Photo area */
.cert-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
  position: relative;
}
.cert-image img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 20px;
  background: var(--white);
  transition: transform .55s ease;
}
.cert-card:hover .cert-image img { transform: scale(1.04); }
.cert-image-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.18); font-size: .72rem;
  letter-spacing: .12em; text-transform: uppercase;
}

/* Card body */
.cert-body { padding: 22px 22px 24px; }
.cert-card h3 { color: var(--navy-dark); font-size: .98rem; margin-bottom: 8px; }
.cert-card p  { font-size: .86rem; line-height: 1.6; }
.cert-tag {
  display: inline-block; background: #dbeafe; color: #1d4ed8;
  font-size: .7rem; font-weight: 700; padding: 4px 12px;
  border-radius: 100px; margin-top: 14px; letter-spacing: .05em; text-transform: uppercase;
}

/* ── 12. PROJECTS PAGE ───────────────────── */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }

.project-card {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-light);
  background: var(--white); transition: var(--transition);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }

.project-image {
  aspect-ratio: 16/10; overflow: hidden;
  background: var(--navy); position: relative;
}
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.project-card:hover .project-image img { transform: scale(1.06); }
.project-image-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.18); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase;
}

.project-badge {
  position: absolute; top: 14px; left: 14px;
  background: var(--blue); color: var(--white);
  font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 13px; border-radius: 100px;
}

.project-body { padding: 26px; }
.project-body h3 { color: var(--navy-dark); margin-bottom: 10px; font-size: 1.08rem; }
.project-body > p { font-size: .9rem; margin-bottom: 18px; }

.project-meta { border-top: 1px solid var(--gray-light); padding-top: 16px; display: flex; flex-direction: column; gap: 7px; }
.project-meta-row { display: flex; gap: 8px; font-size: .82rem; }
.meta-label { color: var(--navy-dark); font-weight: 700; min-width: 76px; }
.meta-value { color: var(--text-light); }

/* ── 13. ARTICLES PAGE ───────────────────── */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }

.article-card {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-light);
  background: var(--white); transition: var(--transition);
  display: flex; flex-direction: column;
}
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }

.article-image {
  aspect-ratio: 16/9; overflow: hidden;
  background: var(--navy); position: relative;
}
.article-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.article-card:hover .article-image img { transform: scale(1.06); }
.article-image-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.18); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase;
}

.article-cat {
  position: absolute; top: 14px; left: 14px;
  background: rgba(13,27,42,.75); backdrop-filter: blur(6px);
  color: var(--white);
  font-size: .68rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  padding: 5px 13px; border-radius: 100px;
}

.article-body {
  padding: 26px; flex: 1;
  display: flex; flex-direction: column;
}
.article-body h3 { color: var(--navy-dark); font-size: 1rem; line-height: 1.45; margin-bottom: 10px; }
.article-body p  { font-size: .88rem; flex: 1; margin-bottom: 20px; }

.btn-text {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .84rem; font-weight: 700; color: var(--blue);
  transition: var(--transition); letter-spacing: .02em;
}
.btn-text:hover { gap: 12px; }
.btn-text::after { content: '→'; }

/* ── 14. CONTACT PAGE ────────────────────── */
.section--contact { padding: 52px 0; }
.contact-layout { display: grid; grid-template-columns: 1fr 1.45fr; gap: 60px; align-items: stretch; }

.contact-info .section-header { margin-bottom: 16px; }
.contact-info h2 { margin-bottom: 0; }
.contact-info > p { margin-bottom: 32px; color: var(--text-light); line-height: 1.75; }

.contact-item {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 22px;
}
.contact-icon {
  width: 46px; height: 46px; min-width: 46px;
  background: rgba(212,166,74,.10);
  border: 1.5px solid rgba(212,166,74,.30);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: background .2s, border-color .2s;
}
.contact-item:hover .contact-icon {
  background: rgba(212,166,74,.18);
  border-color: rgba(212,166,74,.55);
}
.contact-icon svg {
  width: 19px; height: 19px;
  stroke: var(--accent); fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.contact-detail-label {
  font-size: .68rem; font-weight: 700; color: var(--text-light);
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 2px;
}
.contact-detail-value { font-size: .95rem; color: var(--text); font-weight: 500; }
.contact-detail-value a { color: var(--accent); transition: var(--transition); }
.contact-detail-value a:hover { color: var(--primary); text-decoration: none; opacity: .8; }

.linkedin-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: #0a66c2; color: #fff;
  padding: 13px 26px; border-radius: 7px;
  font-size: .88rem; font-weight: 600;
  margin-top: 10px; transition: var(--transition);
}
.linkedin-btn:hover { background: #004182; transform: translateY(-2px); box-shadow: 0 6px 22px rgba(10,102,194,.35); }
.linkedin-btn svg { width: 20px; height: 20px; fill: #fff; }

/* Contact form card */
.contact-form-card {
  background: var(--off-white); border-radius: var(--radius-lg);
  padding: 42px; border: 1px solid var(--gray-light);
  display: flex; flex-direction: column;
}
.contact-form-card h3 { color: var(--navy-dark); margin-bottom: 28px; font-size: 1.2rem; }
.contact-form { display: flex; flex-direction: column; flex: 1; }
.contact-form .form-group:last-of-type { flex: 1; display: flex; flex-direction: column; }
.contact-form .form-group:last-of-type textarea { flex: 1; min-height: 100px; }

.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: .74rem; font-weight: 700;
  color: var(--gray-dark); margin-bottom: 7px;
  letter-spacing: .06em; text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 16px;
  border: 1px solid var(--gray-light); border-radius: var(--radius);
  font-family: inherit; font-size: .95rem; color: var(--text);
  background: var(--white); transition: var(--transition); outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212,166,74,.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }

.form-error {
  background: #fef2f2; color: #b91c1c;
  border: 1px solid #fecaca; border-radius: var(--radius);
  padding: 11px 16px; font-size: .87rem; margin-bottom: 16px;
}

.form-submit {
  width: 100%; padding: 14px;
  background: var(--accent); color: var(--primary); border: none;
  border-radius: var(--radius); font-family: inherit;
  font-size: .9rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  cursor: pointer; transition: var(--transition);
}
.form-submit:hover:not(:disabled) {
  background: #c4963e;
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(212,166,74,.30);
}
.form-submit:disabled { opacity: .75; cursor: not-allowed; }

/* ── 15. FOOTER ──────────────────────────── */
.footer {
  background:
    linear-gradient(to bottom,
      #071827 0%,
      #071827 30%,
      rgba(7,24,39,.88) 58%,
      rgba(7,24,39,.68) 100%
    ),
    url('../images/hero-yacht.jpg') center 72% / cover no-repeat;
  padding: 32px 0 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-grid {
  display: grid; grid-template-columns: 1.8fr 1fr;
  gap: 32px; margin-bottom: 24px;
}

/* Footer brand */
.footer-brand {}
.footer-brand .logo-name     { display: block; color: var(--white); }
.footer-brand .logo-subtitle { display: block; margin-bottom: 0; }
.footer-brand .logo-subtitle::after {
  content: '';
  display: block;
  width: 32px; height: 2px;
  background: var(--accent);
  margin: 14px 0 22px;
}
.footer-brand p {
  color: rgba(255,255,255,.5);
  font-size: .9rem; line-height: 1.8; max-width: 340px;
}

/* Footer columns */
.footer-col {
  padding-left: 44px;
  display: flex; flex-direction: column; align-items: flex-start;
}
/* h4 lives inside .footer-contact-wrap so it aligns with the icons */
.footer-col h4 {
  color: var(--white); font-size: .72rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px;
}
/* Wrapper: left-aligns h4 + icons on the same vertical axis */
.footer-contact-wrap {
  display: flex; flex-direction: column; align-items: flex-start;
}

/* Footer contact list */
.footer-contact-item {
  display: flex; align-items: center; gap: 16px;
  font-size: .93rem; margin-bottom: 14px;
}
.footer-contact-item svg {
  width: 18px; height: 18px; stroke: var(--accent);
  fill: none; flex-shrink: 0;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.footer-contact-item a {
  color: var(--white); text-decoration: none;
  transition: color .2s;
}
.footer-contact-item a:hover { color: var(--accent); }

/* Social icon buttons */
.footer-social {
  display: flex; align-items: center;
  gap: 10px; margin-top: 32px;
}
.fsb {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: var(--white);
  transition: opacity .2s, transform .15s;
}
.fsb:hover { opacity: .82; transform: translateY(-1px); }
.fsb svg { width: 18px; height: 18px; }
.fsb--li { background: #0a66c2; }
.fsb--ph { background: #25D366; }
.fsb--em { background: rgba(255,255,255,.12); }

/* Footer bottom bar */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 18px 0;
  display: flex; justify-content: flex-start; align-items: center;
}
.footer-bottom p { color: rgba(255,255,255,.32); font-size: .82rem; }
.footer-bottom-links {
  display: flex; align-items: center; gap: 10px;
}
.footer-bottom-links a {
  color: rgba(255,255,255,.32); font-size: .82rem;
  text-decoration: none; transition: color .2s;
}
.footer-bottom-links a:hover { color: rgba(255,255,255,.65); }
.footer-bottom-links span { color: rgba(255,255,255,.18); font-size: .82rem; }
.footer-bottom-cta { color: var(--accent) !important; }
.footer-bottom-cta:hover { opacity: .8; }

/* ── 16. SCROLL ANIMATIONS ───────────────── */
.fade-up {
  opacity: 0; transform: translateY(32px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.fade-in {
  opacity: 0; transition: opacity .8s ease;
}
.fade-in.visible { opacity: 1; }

/* Staggered children */
.stagger > * {
  opacity: 0; transform: translateY(22px);
  transition: opacity .5s ease, transform .5s ease;
}
.stagger.visible > *:nth-child(1)  { opacity:1; transform:translateY(0); transition-delay: 0s;   }
.stagger.visible > *:nth-child(2)  { opacity:1; transform:translateY(0); transition-delay: .09s; }
.stagger.visible > *:nth-child(3)  { opacity:1; transform:translateY(0); transition-delay: .18s; }
.stagger.visible > *:nth-child(4)  { opacity:1; transform:translateY(0); transition-delay: .27s; }
.stagger.visible > *:nth-child(5)  { opacity:1; transform:translateY(0); transition-delay: .36s; }
.stagger.visible > *:nth-child(6)  { opacity:1; transform:translateY(0); transition-delay: .45s; }

/* Keyframes */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .4; transform: scale(.7); }
}
@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Ken Burns — subtle zoom on hero background */
@keyframes ken-burns {
  from { transform: scale(1.00) translateX(0); }
  to   { transform: scale(1.08) translateX(-1%); }
}

/* Hero content fade-in on page load */
@keyframes hero-enter {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Cursor glow (desktop only) */
.cursor-glow {
  position: fixed; pointer-events: none; z-index: 9999;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(29,78,216,.055) 0%, transparent 68%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  will-change: left, top;
}

/* ── 17. RESPONSIVE ──────────────────────── */

/* Tablet — 1024px */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-item:nth-child(2) { border-right: none; }
  .feature-item:nth-child(2),
  .feature-item:nth-child(3),
  .feature-item:nth-child(4) { border-top: 1px solid rgba(255,255,255,.08); }

  .about-grid    { gap: 44px; }
  .cert-grid     { grid-template-columns: repeat(2, 1fr); }
  .project-grid  { grid-template-columns: repeat(2, 1fr); }
  .article-grid  { grid-template-columns: repeat(2, 1fr); }
  .exp-layout      { grid-template-columns: 1fr; gap: 48px; }
  .exp-detail-grid { grid-template-columns: repeat(2, 1fr); }
  .instruments-inner { gap: 20px; }
  .contact-layout{ grid-template-columns: 1fr; gap: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-col  { padding-left: 28px; }
}

/* Mobile — 768px */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  /* Mobile nav drawer */
  .nav-links {
    display: none;
    position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
    background: var(--navy-dark);
    flex-direction: column; gap: 0; align-items: stretch;
    padding: 12px 0; overflow-y: auto;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .nav-links.open  { display: flex; }
  .nav-links a     { padding: 15px 28px; border-radius: 0; font-size: .82rem; }
  .nav-links a.active::after { left: 28px; right: 28px; bottom: 6px; }
  .nav-toggle      { display: flex; }
  .nav-actions     { display: none; }
  .nav-contact-mobile { display: block; }

  .hero-content  { padding-top: calc(var(--nav-h) + 20px); padding-bottom: 60px; max-width: 100%; }
  .hero h1 { white-space: normal; }
  .hero-btns     { flex-direction: column; align-items: flex-start; }
  .hero-scroll   { display: none; }

  .features-grid { grid-template-columns: 1fr; }
  .feature-item  { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }
  .feature-item:nth-child(2),
  .feature-item:nth-child(3),
  .feature-item:nth-child(4) { border-top: none; }
  .feature-item:last-child   { border-bottom: none; }

  .about-grid  { grid-template-columns: 1fr; }
  .about-image { aspect-ratio: 4/3; }

  .stats-grid  { grid-template-columns: 1fr 1fr; }
  .stat-item   { border-bottom: 1px solid rgba(255,255,255,.07); padding: 20px; }
  .stat-item:nth-child(2)   { border-right: none; }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4)   { border-bottom: none; }

  .cert-grid    { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .exp-detail-grid { grid-template-columns: 1fr; }
  .instruments-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .instruments-inner > h3::after { display: none; }

  .footer-grid   { grid-template-columns: 1fr; }
  .footer-col { padding-left: 0; }
  .footer-bottom { flex-direction: column; gap: 14px; text-align: right; }
  .footer-bottom-links { flex-wrap: wrap; justify-content: center; }

  .section { padding: 60px 0; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-card { padding: 28px 22px; }
}

/* Small mobile — 480px */
@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .page-header { padding: 104px 0 52px; }
  .hero { padding-top: var(--nav-h); }
}