/* ============================================
   AREFAT - Personal Website Stylesheet
   Dark Green Theme
   ============================================ */

:root {
  --bg:          #060f0a;
  --bg2:         #0a1a10;
  --bg3:         #0e2218;
  --green:       #1db954;
  --green-mid:   #16a34a;
  --green-dark:  #14532d;
  --green-glow:  rgba(29, 185, 84, 0.15);
  --green-glow2: rgba(29, 185, 84, 0.07);
  --text:        #e8f5ee;
  --text-muted:  #7aab8a;
  --border:      rgba(29, 185, 84, 0.18);
  --card-bg:     rgba(14, 34, 24, 0.8);
  --white:       #ffffff;
  --radius:      16px;
  --radius-sm:   10px;
  --transition:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* -------- SCROLLBAR -------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dark); border-radius: 4px; }

/* -------- BUTTONS -------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--green), var(--green-mid));
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(29, 185, 84, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(29, 185, 84, 0.45);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--green);
  font-weight: 600;
  font-size: 15px;
  border-radius: 50px;
  border: 1.5px solid var(--green);
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  background: var(--green-glow);
  transform: translateY(-2px);
}

.full-width { width: 100%; justify-content: center; }

/* -------- SECTION HELPERS -------- */
.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 20px;
}
.section-title span { color: var(--green); }
.section-title.center { text-align: center; }
.section-sub {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 580px;
  margin: 0 auto 60px;
  text-align: center;
}

/* ============================================
   NAVBAR
   ============================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  padding: 0 5%;
  background: transparent;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(6, 15, 10, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--text);
}
.logo span { color: var(--green); }
.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: width 0.3s;
  border-radius: 2px;
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { width: 100%; }

.nav-btn {
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--green), var(--green-mid));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(29, 185, 84, 0.25);
}
.nav-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(29, 185, 84, 0.4); }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease;
}
.mobile-menu.open { max-height: 300px; }
.mobile-menu a {
  padding: 14px 24px;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, background 0.2s;
}
.mobile-menu a:hover { color: var(--green); background: var(--green-glow2); }

/* ============================================
   HERO
   ============================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 120px 8% 80px;
  position: relative;
  gap: 40px;
  overflow: hidden;
}
.hero-bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.shape1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(29, 185, 84, 0.12) 0%, transparent 70%);
  top: -100px; left: -100px;
}
.shape2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(20, 83, 45, 0.2) 0%, transparent 70%);
  bottom: 0; right: 10%;
}

.hero-content { flex: 1; max-width: 580px; z-index: 1; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-glow);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
}
.dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

#hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  color: var(--text);
}
.highlight { color: var(--green); }

.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 460px;
  margin-bottom: 40px;
}

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.stat h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.stat p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}
.divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* Hero Visual */
.hero-visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  max-width: 420px;
}
.avatar-ring {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.avatar-inner {
  width: 220px; height: 220px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-dark), var(--bg3));
  border: 3px solid var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 60px rgba(29, 185, 84, 0.25);
  z-index: 2;
}
.avatar-initials {
  font-size: 64px;
  font-weight: 900;
  color: var(--green);
  font-family: 'Playfair Display', serif;
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  animation: spin linear infinite;
}
.ring1 { width: 270px; height: 270px; animation-duration: 14s; }
.ring2 { width: 310px; height: 310px; animation-duration: 22s; animation-direction: reverse; }
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.floating-card {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: float 4s ease-in-out infinite;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.floating-card i { color: var(--green); }
.card1 { top: 10px; left: -40px; animation-delay: 0s; }
.card2 { bottom: 40px; left: -30px; animation-delay: 1.5s; }
.card3 { top: 50px; right: -30px; animation-delay: 0.8s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ============================================
   ABOUT
   ============================================ */
#about {
  padding: 120px 8%;
  background: var(--bg2);
  position: relative;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}
.about-img-wrap { position: relative; display: inline-block; }
.about-img-box {
  width: 320px;
  height: 340px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--green-dark), var(--bg3));
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 24px 80px rgba(29, 185, 84, 0.15);
  position: relative;
  overflow: hidden;
}
.about-img-box::before {
  content: '';
  position: absolute;
  top: -40%; left: -40%;
  width: 80%; height: 80%;
  background: radial-gradient(circle, rgba(29, 185, 84, 0.2) 0%, transparent 70%);
}
.about-initials {
  font-size: 80px;
  font-weight: 900;
  color: var(--green);
  font-family: 'Playfair Display', serif;
  opacity: 0.7;
  z-index: 1;
}
.about-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: linear-gradient(135deg, var(--green), var(--green-mid));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(29, 185, 84, 0.35);
}

.about-text {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 16px;
}
.about-text strong { color: var(--green); font-weight: 700; }
.about-close { margin-top: 8px; font-style: italic; }

/* Industry tags under avatar */
.about-industries {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  max-width: 340px;
}
.about-industries span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-glow);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 50px;
  transition: var(--transition);
}
.about-industries span i { font-size: 11px; }
.about-industries span:hover {
  background: rgba(29, 185, 84, 0.2);
  border-color: var(--green);
}

/* Industry list inside about */
.about-industry-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 20px 0 24px;
}
.ail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  transition: var(--transition);
}
.ail-item:hover {
  border-color: rgba(29, 185, 84, 0.4);
  transform: translateX(4px);
}
.ail-item > i {
  font-size: 20px;
  color: var(--green);
  margin-top: 2px;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}
.ail-item h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.ail-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* CTA row */
.about-cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.skills-row { margin: 32px 0; display: flex; flex-direction: column; gap: 20px; }
.skill-item span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: block;
  margin-bottom: 8px;
}
.skill-bar {
  width: 100%;
  height: 6px;
  background: var(--bg3);
  border-radius: 4px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green), var(--green-mid));
  border-radius: 4px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   MANAGEMENT SYSTEMS
   ============================================ */
#systems {
  padding: 120px 8%;
  background: var(--bg2);
  position: relative;
}

.systems-intro {
  max-width: 820px;
  margin: 0 auto 64px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 48px;
  position: relative;
  overflow: hidden;
}
.systems-intro::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--green), var(--green-mid));
  border-radius: 4px 0 0 4px;
}
.systems-intro-text p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 14px;
}
.systems-intro-text p:last-child { margin-bottom: 0; }
.systems-intro-text strong { color: var(--green); font-weight: 700; }

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.industry-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.industry-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.industry-card:hover {
  transform: translateY(-6px);
  border-color: rgba(29, 185, 84, 0.4);
  box-shadow: 0 16px 48px rgba(29, 185, 84, 0.12);
}
.industry-card:hover::after { opacity: 1; }

.industry-card.featured-ind {
  background: linear-gradient(135deg, rgba(29, 185, 84, 0.1), rgba(14, 34, 24, 0.95));
  border-color: rgba(29, 185, 84, 0.45);
  box-shadow: 0 8px 32px rgba(29, 185, 84, 0.12);
}

.ind-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: var(--green-glow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--green);
  margin-bottom: 20px;
  transition: var(--transition);
}
.industry-card:hover .ind-icon {
  background: linear-gradient(135deg, var(--green), var(--green-mid));
  color: #fff;
}

.industry-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.industry-card > p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.ind-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ind-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
.ind-list li i {
  color: var(--green);
  font-size: 12px;
  flex-shrink: 0;
}

/* ============================================
   SERVICES
   ============================================ */
#services {
  padding: 120px 8%;
  position: relative;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(29, 185, 84, 0.4);
  box-shadow: 0 16px 48px rgba(29, 185, 84, 0.12);
}
.service-card:hover::before { opacity: 1; }

.service-card.featured {
  background: linear-gradient(135deg, rgba(29, 185, 84, 0.1), rgba(14, 34, 24, 0.95));
  border-color: rgba(29, 185, 84, 0.5);
  box-shadow: 0 8px 32px rgba(29, 185, 84, 0.15);
}
.featured-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--green);
  background: var(--green-glow);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 24px;
  text-transform: uppercase;
}
.service-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: var(--green-glow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--green);
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--green), var(--green-mid));
  color: #fff;
}
.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.service-card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--green);
  transition: gap 0.2s;
}
.service-link:hover { gap: 12px; }

/* ============================================
   CONTACT
   ============================================ */
#contact {
  padding: 120px 8%;
  background: var(--bg2);
  position: relative;
  overflow: hidden;
}
.contact-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(29, 185, 84, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
  max-width: 1000px;
  margin: 0 auto;
}
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.ci-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--green-glow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--green);
  flex-shrink: 0;
}
.contact-info-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.contact-info-item p { font-size: 15px; color: var(--text-muted); }

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.social-link {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-muted);
  transition: var(--transition);
}
.social-link:hover {
  color: var(--green);
  border-color: var(--green);
  background: var(--green-glow);
  transform: translateY(-3px);
}

/* Contact Form */
.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: 8px; }
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.3px;
}
.form-group input,
.form-group textarea {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.1);
}

.form-success {
  display: none;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-glow);
  border: 1px solid var(--border);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  text-align: center;
  padding: 32px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  font-size: 14px;
}
footer span { color: var(--green); font-weight: 600; }

/* ============================================
   ANIMATIONS - Reveal on scroll
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img-box { width: 100%; height: 240px; }
  .about-industries { max-width: 100%; }
  .about-initials { font-size: 60px; }
}

@media (max-width: 768px) {
  #hero { flex-direction: column; text-align: center; padding: 100px 6% 60px; }
  .hero-sub { max-width: 100%; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .nav-links, .nav-btn { display: none; }
  .hamburger { display: block; }
  .mobile-menu { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: 1fr; }
  .systems-intro { padding: 28px 24px; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  #about, #services, #contact { padding: 80px 6%; }
  #hero { padding-top: 90px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .divider { display: none; }
}