/* ============================================================
   KMEX CONSULT - Main Stylesheet
   Theme: Dark Luxury Data Science
   Fonts: Cormorant Garamond (display) + Outfit (body) + JetBrains Mono (code)
   Colors: Near-black bg / Teal #00C4A7 accent / Silver #A8B8C8
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-0:       #080808;
  --bg-1:       #0D0D0D;
  --bg-2:       #141414;
  --bg-3:       #1A1A1A;
  --bg-card:    #1E1E1E;
  --teal:       #00C4A7;
  --teal-dim:   #009E85;
  --teal-glow:  rgba(0,196,167,0.12);
  --teal-glow2: rgba(0,196,167,0.06);
  --silver:     #A8B8C8;
  --silver-dim: #6E7E8E;
  --white:      #FFFFFF;
  --text-1:     #F0F4F8;
  --text-2:     #B8C8D8;
  --text-3:     #6A7A8A;
  --border:     #252525;
  --border-2:   #303030;
  --red-err:    #E05555;
  --success:    #4CAF88;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Outfit', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --radius:     8px;
  --radius-lg:  14px;
  --shadow:     0 4px 24px rgba(0,0,0,0.5);
  --shadow-teal:0 0 30px rgba(0,196,167,0.15);
  --trans:      all 0.25s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg-1);
  color: var(--text-1);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--teal); text-decoration: none; transition: var(--trans); }
a:hover { color: var(--white); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { font-family: var(--font-body); cursor: pointer; border: none; background: none; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--white);
}
h1 { font-size: clamp(2.6rem, 5vw, 4.2rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); }
h4 { font-size: 1.2rem; font-family: var(--font-body); font-weight: 600; }
p { color: var(--text-2); margin-bottom: 1rem; }

/* ---- LAYOUT ---- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section-sm { padding: 60px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

/* ---- NAV ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--trans);
}
.nav.scrolled { background: rgba(8,8,8,0.98); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; padding: 0 24px; max-width: 1200px; margin: 0 auto;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand img { width: 36px; height: 36px; object-fit: contain; }
.nav-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-brand-name { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; color: var(--white); letter-spacing: 0.02em; }
.nav-brand-sub { font-size: 0.65rem; color: var(--teal); letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500; }
.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a { font-size: 0.875rem; font-weight: 400; color: var(--text-2); padding: 8px 14px; border-radius: var(--radius); transition: var(--trans); }
.nav-menu a:hover, .nav-menu a.active { color: var(--white); background: var(--teal-glow); }
.nav-cta {
  background: var(--teal) !important; color: var(--bg-0) !important;
  font-weight: 600 !important; padding: 9px 20px !important;
  border-radius: var(--radius) !important;
}
.nav-cta:hover { background: var(--teal-dim) !important; color: var(--white) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 28px; }
.nav-toggle span { display: block; height: 2px; background: var(--text-1); border-radius: 2px; transition: var(--trans); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--bg-0);
  position: relative; overflow: hidden;
  padding-top: 70px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 55% at 70% 40%, rgba(0,196,167,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.2;
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1fr 420px; gap: 60px; align-items: center; padding: 60px 0; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; background: var(--teal-glow); border: 1px solid rgba(0,196,167,0.25); color: var(--teal); font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; padding: 6px 14px; border-radius: 30px; margin-bottom: 28px; font-weight: 500; }
.hero-tag::before { content: ''; width: 6px; height: 6px; background: var(--teal); border-radius: 50%; display: block; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }
.hero h1 { margin-bottom: 16px; }
.hero h1 span { color: var(--teal); font-style: italic; }
.hero-sub { font-size: 1.1rem; color: var(--text-2); margin-bottom: 36px; max-width: 540px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 50px; }
.hero-stat-num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 300; color: var(--white); line-height: 1; }
.hero-stat-label { font-size: 0.78rem; color: var(--text-3); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px; }
.hero-stat-div { width: 1px; background: var(--border); }
.hero-photo-wrap { position: relative; }
.hero-photo-frame {
  width: 100%; padding-top: 110%;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-teal);
}
.hero-photo-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.hero-photo-badge {
  position: absolute; bottom: -16px; left: -16px;
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 14px 20px; border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-photo-badge .badge-label { font-size: 0.7rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.12em; }
.hero-photo-badge .badge-val { font-family: var(--font-display); font-size: 1.4rem; color: var(--teal); font-weight: 600; }
.hero-photo-badge2 {
  position: absolute; top: 20px; right: -20px;
  background: var(--teal); color: var(--bg-0);
  padding: 10px 16px; border-radius: var(--radius);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.05em;
  box-shadow: var(--shadow);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 600; letter-spacing: 0.03em;
  transition: var(--trans); cursor: pointer; border: none;
  font-family: var(--font-body);
}
.btn-primary { background: var(--teal); color: var(--bg-0); }
.btn-primary:hover { background: var(--teal-dim); color: var(--white); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,196,167,0.3); }
.btn-outline { background: transparent; color: var(--text-1); border: 1px solid var(--border-2); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal); background: var(--teal-glow); }
.btn-ghost { background: transparent; color: var(--teal); padding: 0; font-size: 0.9rem; }
.btn-ghost:hover { color: var(--white); }
.btn-sm { padding: 9px 18px; font-size: 0.82rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* ---- SECTION HEADERS ---- */
.section-label { font-size: 0.72rem; color: var(--teal); letter-spacing: 0.2em; text-transform: uppercase; font-weight: 500; margin-bottom: 12px; display: block; }
.section-title { margin-bottom: 16px; }
.section-desc { font-size: 1.05rem; color: var(--text-2); max-width: 580px; line-height: 1.8; }
.section-header-center { text-align: center; }
.section-header-center .section-desc { margin: 0 auto; }

/* ---- CARDS ---- */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  transition: var(--trans);
}
.card:hover { border-color: var(--teal-dim); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.card-teal { border-top: 2px solid var(--teal); }
.card-icon {
  width: 52px; height: 52px; border-radius: var(--radius);
  background: var(--teal-glow); border: 1px solid rgba(0,196,167,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px; color: var(--teal);
}
.card-icon svg { width: 24px; height: 24px; stroke: var(--teal); fill: none; stroke-width: 1.5; }
.card h4 { margin-bottom: 10px; color: var(--white); }

/* ---- TAGS / BADGES ---- */
.tag { display: inline-block; background: var(--teal-glow); color: var(--teal); font-size: 0.72rem; font-weight: 500; padding: 4px 10px; border-radius: 30px; border: 1px solid rgba(0,196,167,0.2); letter-spacing: 0.08em; }
.tag-silver { background: rgba(168,184,200,0.1); color: var(--silver); border-color: rgba(168,184,200,0.2); }
.tag-wrap { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

/* ---- STATS TICKER ---- */
.stats-strip { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 32px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 24px; text-align: center; }
.stat-num { font-family: var(--font-display); font-size: 2.6rem; font-weight: 300; color: var(--white); line-height: 1; }
.stat-label { font-size: 0.78rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 6px; }
.stat-accent { color: var(--teal); }

/* ---- EXPERTISE SECTION ---- */
.expertise-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.expertise-card { padding: 28px; }

/* ---- PORTFOLIO CARDS ---- */
.project-card { overflow: hidden; }
.project-img { width: 100%; height: 220px; object-fit: cover; border-radius: var(--radius); margin-bottom: 20px; filter: brightness(0.85); transition: var(--trans); }
.project-card:hover .project-img { filter: brightness(1); }
.project-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.project-category { font-size: 0.72rem; color: var(--teal); text-transform: uppercase; letter-spacing: 0.12em; font-weight: 500; }

/* ---- TUTORIAL CARDS ---- */
.tutorial-card { display: flex; gap: 20px; align-items: flex-start; }
.tutorial-week-badge { min-width: 56px; height: 56px; background: var(--teal-glow); border: 1px solid rgba(0,196,167,0.2); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 1.2rem; color: var(--teal); font-weight: 600; }
.tutorial-level { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }
.level-beginner { color: #4CAF88; }
.level-intermediate { color: #F5A623; }
.level-advanced { color: #E05555; }

/* ---- PUBLICATIONS ---- */
.pub-item { padding: 28px 0; border-bottom: 1px solid var(--border); }
.pub-item:last-child { border-bottom: none; }
.pub-journal { font-size: 0.78rem; color: var(--teal); text-transform: uppercase; letter-spacing: 0.12em; font-weight: 500; margin-bottom: 8px; }
.pub-title { font-family: var(--font-display); font-size: 1.25rem; color: var(--white); margin-bottom: 8px; }
.pub-authors { font-size: 0.85rem; color: var(--text-3); margin-bottom: 12px; }
.pub-abstract { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; }

/* ---- TIMELINE ---- */
.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(to bottom, var(--teal), transparent); }
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item::before { content: ''; position: absolute; left: -36px; top: 6px; width: 9px; height: 9px; border-radius: 50%; background: var(--teal); border: 2px solid var(--bg-1); box-shadow: 0 0 12px rgba(0,196,167,0.5); }
.timeline-date { font-size: 0.78rem; color: var(--teal); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 500; margin-bottom: 6px; }
.timeline-title { font-weight: 600; color: var(--white); margin-bottom: 4px; }
.timeline-org { font-size: 0.85rem; color: var(--silver); margin-bottom: 8px; }

/* ---- SKILL BARS ---- */
.skill-bar-wrap { margin-bottom: 20px; }
.skill-bar-header { display: flex; justify-content: space-between; margin-bottom: 7px; font-size: 0.88rem; }
.skill-bar-track { height: 4px; background: var(--border); border-radius: 4px; overflow: hidden; }
.skill-bar-fill { height: 100%; background: linear-gradient(90deg, var(--teal), rgba(0,196,167,0.5)); border-radius: 4px; transform-origin: left; transform: scaleX(0); transition: transform 1.2s cubic-bezier(0.16,1,0.3,1); }
.skill-bar-fill.animated { transform: scaleX(1); }

/* ---- FORMS ---- */
.form-group { margin-bottom: 22px; }
.form-label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--text-2); margin-bottom: 8px; letter-spacing: 0.04em; }
.form-control {
  width: 100%; background: var(--bg-3); border: 1px solid var(--border);
  color: var(--text-1); padding: 13px 16px; border-radius: var(--radius);
  font-size: 0.92rem; font-family: var(--font-body);
  transition: var(--trans); outline: none;
}
.form-control::placeholder { color: var(--text-3); }
.form-control:focus { border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-glow); }
.form-control.error { border-color: var(--red-err); }
textarea.form-control { min-height: 130px; resize: vertical; }
select.form-control { appearance: none; cursor: pointer; }
.form-error { font-size: 0.78rem; color: var(--red-err); margin-top: 5px; display: none; }
.form-error.show { display: block; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ---- CONTACT SECTION ---- */
.contact-info-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact-icon { width: 44px; height: 44px; background: var(--teal-glow); border: 1px solid rgba(0,196,167,0.2); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--teal); font-size: 1.1rem; }
.contact-label { font-size: 0.75rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 3px; }
.contact-val { color: var(--text-1); font-size: 0.92rem; }

/* ---- HIRE SECTION ---- */
.hire-steps { counter-reset: step; }
.hire-step { display: flex; gap: 20px; margin-bottom: 32px; counter-increment: step; }
.hire-step::before { content: '0' counter(step); font-family: var(--font-display); font-size: 2.4rem; font-weight: 300; color: var(--teal); opacity: 0.4; line-height: 1; min-width: 50px; }
.hire-step-content h4 { color: var(--white); margin-bottom: 6px; }

/* ---- TESTIMONIALS ---- */
.testimonial-card { position: relative; }
.testimonial-card::before { content: '"'; font-family: var(--font-display); font-size: 5rem; color: var(--teal); opacity: 0.2; line-height: 0.6; display: block; margin-bottom: 16px; }
.testimonial-text { font-size: 0.95rem; color: var(--text-2); line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); }
.testimonial-name { font-weight: 600; font-size: 0.88rem; color: var(--white); }
.testimonial-role { font-size: 0.78rem; color: var(--text-3); }

/* ---- BLOG ---- */
.blog-date { font-size: 0.75rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px; }
.blog-excerpt { font-size: 0.88rem; color: var(--text-2); line-height: 1.7; }
.blog-readmore { font-size: 0.82rem; color: var(--teal); font-weight: 500; margin-top: 14px; display: inline-flex; align-items: center; gap: 6px; }

/* ---- CV PAGE ---- */
.cv-section { margin-bottom: 48px; }
.cv-section-title { font-size: 0.72rem; color: var(--teal); text-transform: uppercase; letter-spacing: 0.2em; font-weight: 500; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }

/* ---- TUTORIAL PAGE ---- */
.tutorial-nav-sidebar { position: sticky; top: 90px; }
.lesson-nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius); cursor: pointer; transition: var(--trans); font-size: 0.85rem; }
.lesson-nav-item:hover, .lesson-nav-item.active { background: var(--teal-glow); color: var(--teal); }
.lesson-num { width: 22px; height: 22px; border-radius: 50%; background: var(--border); display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 600; flex-shrink: 0; }
.lesson-nav-item.active .lesson-num { background: var(--teal); color: var(--bg-0); }
.code-block {
  background: var(--bg-0); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px; margin: 20px 0;
  font-family: var(--font-mono); font-size: 0.82rem; color: #8BE9FD;
  overflow-x: auto; position: relative; line-height: 1.7;
}
.code-block .comment { color: #6272A4; }
.code-block .string { color: #F1FA8C; }
.code-block .keyword { color: #FF79C6; }
.code-block .func { color: #50FA7B; }
.code-copy-btn { position: absolute; top: 12px; right: 12px; background: var(--border); color: var(--text-2); padding: 4px 10px; border-radius: 4px; font-size: 0.72rem; font-family: var(--font-body); transition: var(--trans); cursor: pointer; border: none; }
.code-copy-btn:hover { background: var(--teal); color: var(--bg-0); }
.lesson-callout { background: var(--teal-glow2); border-left: 3px solid var(--teal); border-radius: 0 var(--radius) var(--radius) 0; padding: 16px 20px; margin: 20px 0; }
.lesson-callout.warning { border-color: #F5A623; background: rgba(245,166,35,0.07); }
.lesson-callout p { color: var(--text-1); margin: 0; font-size: 0.9rem; }
.lesson-exercise { background: var(--bg-3); border: 1px solid var(--border-2); border-radius: var(--radius); padding: 22px; margin: 24px 0; }
.lesson-exercise h4::before { content: 'Exercise: '; color: var(--teal); }
.progress-bar-thin { height: 3px; background: var(--border); border-radius: 3px; margin: 6px 0 16px; }
.progress-bar-fill { height: 100%; background: var(--teal); border-radius: 3px; transition: width 0.5s ease; }

/* ---- ADMIN ---- */
.admin-sidebar { width: 260px; background: var(--bg-2); border-right: 1px solid var(--border); min-height: 100vh; padding: 24px 0; position: fixed; top: 0; left: 0; }
.admin-main { margin-left: 260px; padding: 32px; min-height: 100vh; }
.admin-nav-item { display: flex; align-items: center; gap: 12px; padding: 12px 24px; color: var(--text-2); font-size: 0.88rem; cursor: pointer; transition: var(--trans); }
.admin-nav-item:hover, .admin-nav-item.active { background: var(--teal-glow); color: var(--teal); }
.admin-stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.admin-stat-n { font-family: var(--font-display); font-size: 2.2rem; color: var(--white); line-height: 1; }
.admin-stat-l { font-size: 0.78rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 4px; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { text-align: left; padding: 12px 16px; background: var(--bg-3); color: var(--text-3); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; }
.admin-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 0.88rem; color: var(--text-1); }
.admin-table tr:hover td { background: var(--teal-glow2); }
.status-badge { padding: 3px 10px; border-radius: 30px; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.status-new { background: rgba(0,196,167,0.12); color: var(--teal); }
.status-replied { background: rgba(76,175,136,0.12); color: #4CAF88; }
.status-pending { background: rgba(245,166,35,0.12); color: #F5A623; }
.admin-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 2000; display: none; align-items: center; justify-content: center; }
.admin-modal-overlay.open { display: flex; }
.admin-modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; width: 90%; max-width: 640px; max-height: 90vh; overflow-y: auto; }

/* ---- LOGIN ---- */
.auth-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.85); backdrop-filter: blur(8px); z-index: 3000; display: flex; align-items: center; justify-content: center; }
.auth-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; width: 400px; }

/* ---- WHATSAPP BUTTON ---- */
.whatsapp-btn {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  width: 54px; height: 54px; border-radius: 50%;
  background: #25D366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
  transition: var(--trans);
}
.whatsapp-btn:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.5); }
.whatsapp-btn svg { width: 28px; height: 28px; fill: #fff; }

/* ---- FOOTER ---- */
.footer { background: var(--bg-0); border-top: 1px solid var(--border); padding: 60px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand-name { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: var(--white); margin-bottom: 4px; }
.footer-brand-sub { font-size: 0.7rem; color: var(--teal); letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 16px; }
.footer-tagline { font-size: 0.88rem; color: var(--text-3); line-height: 1.6; max-width: 280px; }
.footer-col-title { font-size: 0.72rem; color: var(--white); text-transform: uppercase; letter-spacing: 0.15em; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; color: var(--text-3); }
.footer-col ul li a:hover { color: var(--teal); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; }
.footer-copy { font-size: 0.8rem; color: var(--text-3); }
.social-links { display: flex; gap: 12px; }
.social-link { width: 36px; height: 36px; border: 1px solid var(--border); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 0.9rem; transition: var(--trans); }
.social-link:hover { border-color: var(--teal); color: var(--teal); background: var(--teal-glow); }
.social-link svg { width: 16px; height: 16px; }

/* ---- 404 ---- */
.not-found { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.not-found-num { font-family: var(--font-display); font-size: clamp(8rem, 20vw, 14rem); font-weight: 300; color: var(--teal); opacity: 0.08; line-height: 0.8; margin-bottom: 24px; }

/* ---- PAGE HERO (inner pages) ---- */
.page-hero { padding: 120px 0 60px; background: var(--bg-0); position: relative; overflow: hidden; }
.page-hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 50% 80% at 90% 50%, rgba(0,196,167,0.06) 0%, transparent 70%); pointer-events: none; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--text-3); margin-bottom: 16px; }
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb span { color: var(--border-2); }

/* ---- ALERT MESSAGES ---- */
.alert { padding: 14px 20px; border-radius: var(--radius); margin-bottom: 20px; font-size: 0.9rem; display: none; }
.alert.show { display: block; }
.alert-success { background: rgba(76,175,136,0.12); border: 1px solid rgba(76,175,136,0.3); color: #4CAF88; }
.alert-error { background: rgba(224,85,85,0.12); border: 1px solid rgba(224,85,85,0.3); color: var(--red-err); }

/* ---- DIVIDERS ---- */
.divider { width: 48px; height: 2px; background: var(--teal); margin: 20px 0; }
.divider-center { margin: 20px auto; }

/* ---- FADE IN ANIMATION ---- */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: none; }
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .grid-3, .expertise-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: repeat(3,1fr); }
  .hero-inner { grid-template-columns: 1fr 340px; gap: 40px; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--bg-0); border-bottom: 1px solid var(--border); flex-direction: column; padding: 16px; gap: 4px; }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-photo-wrap { display: none; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .grid-2, .grid-3, .expertise-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .admin-sidebar { display: none; }
  .admin-main { margin-left: 0; padding: 20px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .btn-lg { padding: 14px 28px; }
  h1 { font-size: 2.2rem; }
}