/* 
==========================================================================
   MUHAMMAD ABBAS NADEEM — PORTFOLIO | Modern Theme & Styling
========================================================================== 
*/

/* ── Light / White Theme Tokens (Default) ── */
:root, [data-theme="light"] {
  --bg-deep:        #ffffff;
  --bg-surface:     #f8fafc;
  --bg-elevated:    #f1f5f9;
  --bg-card:        #ffffff;
  --accent:         #ff6b35;
  --accent-hover:   #ea580c;
  --accent-glow:    rgba(255, 107, 53, 0.15);
  --gold:           #d97706;
  --gold-muted:     #b45309;
  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-dim:       #64748b;
  --border:         rgba(0, 0, 0, 0.08);
  --glass-bg:       rgba(255, 255, 255, 0.92);
  --glass-border:   rgba(0, 0, 0, 0.08);
  --shadow-card:    0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-hover:   0 14px 35px rgba(0, 0, 0, 0.1);
}

/* ── Dark / Black Theme Tokens ── */
[data-theme="dark"] {
  --bg-deep:        #0d0d0d;
  --bg-surface:     #161616;
  --bg-elevated:    #1e1e1e;
  --bg-card:        #222222;
  --accent:         #ff6b35;
  --accent-hover:   #ff8c5a;
  --accent-glow:    rgba(255, 107, 53, 0.25);
  --gold:           #e8b931;
  --gold-muted:     #c9a227;
  --text-primary:   #f0ece2;
  --text-secondary: #9e9e9e;
  --text-dim:       #666666;
  --border:         rgba(255, 255, 255, 0.08);
  --glass-bg:       rgba(13, 13, 13, 0.88);
  --glass-border:   rgba(255, 255, 255, 0.08);
  --shadow-card:    0 4px 30px rgba(0,0,0,0.35);
  --shadow-hover:   0 12px 40px rgba(0,0,0,0.5);
}

/* ── Common Typography & Shared Tokens ── */
:root {
  --font-display:  'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;

  --fs-hero:    clamp(2.8rem, 2rem + 4.5vw, 5.5rem);
  --fs-h1:      clamp(2rem, 1.4rem + 3vw, 3.5rem);
  --fs-h2:      clamp(1.6rem, 1.2rem + 2vw, 2.6rem);
  --fs-h3:      clamp(1.15rem, 1rem + 0.75vw, 1.5rem);
  --fs-body:    clamp(0.95rem, 0.9rem + 0.25vw, 1.1rem);
  --fs-small:   clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --fs-label:   0.72rem;

  --gap-xs: 0.5rem;
  --gap-sm: 1rem;
  --gap-md: 1.5rem;
  --gap-lg: 2.5rem;
  --gap-xl: 4rem;
  --section-y: clamp(4.5rem, 3.5rem + 4vw, 7.5rem);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition), color var(--transition);
}

body.modal-open {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }

/* ── Preloader ── */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-deep);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--gap-md);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-ring {
  width: 52px;
  height: 52px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.loader-text {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  color: var(--text-dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Container ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 2vw, 2rem);
}

/* ── Section Shared ── */
.section {
  padding: var(--section-y) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--gap-xl);
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-label);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: var(--gap-xs);
}

.section-title {
  font-size: var(--fs-h1);
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section--alt {
  background: var(--bg-surface);
}

/* ── NAVIGATION ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.2rem 0;
  z-index: 1000;
  transition: all var(--transition);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.navbar.scrolled {
  padding: 0.75rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text-primary);
}

.nav-logo .dot {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--gap-lg);
}

.nav-link {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}

.theme-toggle-btn:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  transform: rotate(15deg);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger { position: relative; }
.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.hamburger::before { top: -8px; }
.hamburger::after  { bottom: -8px; }

.hamburger.active { background: transparent; }
.hamburger.active::before { transform: rotate(45deg) translate(6px, 5px); }
.hamburger.active::after  { transform: rotate(-45deg) translate(6px, -5px); }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(80%, 380px);
    height: 100vh;
    background: var(--bg-card);
    flex-direction: column;
    justify-content: center;
    gap: var(--gap-lg);
    transition: right var(--transition-slow);
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
  }
  .nav-menu.open { right: 0; }
  .nav-link { font-size: 1.1rem; }
}

/* ── HERO SECTION ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
  padding-bottom: 90px;
  background: var(--bg-deep);
}

.hero::before {
  content: '';
  position: absolute;
  top: -15%;
  right: -10%;
  width: 55vw;
  height: 55vw;
  max-width: 650px;
  max-height: 650px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  animation: float-blob 8s ease-in-out infinite alternate;
}

@keyframes float-blob {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -20px) scale(1.08); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--gap-xl);
  align-items: center;
}

.hero-greeting {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-small);
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin-bottom: var(--gap-sm);
  font-weight: 700;
}

.hero-name {
  font-size: var(--fs-hero);
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: var(--gap-md);
}

.hero-name .accent { color: var(--accent); }

.hero-role {
  font-size: var(--fs-h3);
  color: var(--text-secondary);
  margin-bottom: var(--gap-md);
}

.typing-text { color: var(--accent); font-weight: 700; }
.typing-cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink-cursor 0.75s step-end infinite;
  margin-left: 2px;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-bio {
  font-size: var(--fs-body);
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: var(--gap-lg);
}

.hero-actions {
  display: flex;
  gap: var(--gap-sm);
  flex-wrap: wrap;
}

.hero-photo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* FIX Profile image circle crop bleed & edge artifacts */
.hero-photo {
  width: clamp(260px, 22vw, 360px);
  height: clamp(260px, 22vw, 360px);
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid #ffffff;
  position: relative;
  z-index: 1;
  background: #ffffff; /* Prevents any black corner/lines bleed */
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  background: #ffffff;
  transform: scale(1.10);
  transform-origin: center center;
}

.hero-photo-wrap::before {
  content: '';
  position: absolute;
  width: calc(clamp(260px, 22vw, 360px) + 30px);
  height: calc(clamp(260px, 22vw, 360px) + 30px);
  border: 2px dashed rgba(255, 107, 53, 0.4);
  border-radius: 50%;
  animation: rotate-ring 25s linear infinite;
}

@keyframes rotate-ring { to { transform: rotate(360deg); } }

.hero-stats {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: clamp(2rem, 5vw, 5rem);
  z-index: 1;
}

.stat {
  text-align: center;
  font-family: var(--font-display);
}

.stat-number {
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: var(--fs-label);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 2px;
  font-weight: 600;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-text { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-photo-wrap { order: -1; margin-bottom: var(--gap-md); }
  .hero-bio { margin-inline: auto; }
  .hero-stats { position: relative; bottom: 0; left: 0; transform: none; justify-content: center; margin-top: 3rem; }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.8rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-small);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: #ffffff;
}

.btn-ghost {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: var(--shadow-card);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-sm { padding: 0.5rem 1.2rem; font-size: var(--fs-label); }

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ── ABOUT SECTION ── */
.about-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--gap-xl);
  align-items: center;
}

.about-image-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  max-width: 400px;
  background: #ffffff;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}

.about-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  background: #ffffff;
  transform: scale(1.10);
  transform-origin: center center;
  transition: transform var(--transition-slow);
}

.about-image-box:hover img {
  transform: scale(1.18);
}

.about-image-box::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, transparent 50%, var(--accent) 50%);
  opacity: 0.3;
}

.about-text p {
  font-size: var(--fs-body);
  color: var(--text-secondary);
  margin-bottom: var(--gap-md);
}

.about-text strong {
  color: var(--text-primary);
}

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-sm);
  margin: var(--gap-lg) 0;
  padding: var(--gap-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.about-info-item .label {
  font-size: var(--fs-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 2px;
  font-weight: 600;
}

.about-info-item .value {
  font-size: var(--fs-small);
  color: var(--text-primary);
  font-weight: 600;
}

@media (max-width: 768px) {
  .about-layout { grid-template-columns: 1fr; }
  .about-image-box { max-width: 350px; margin: 0 auto; }
  .about-info-grid { grid-template-columns: 1fr; }
}

/* ── SKILLS SECTION (CENTERED FLEX GRID) ── */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--gap-md);
}

.skill-card {
  flex: 1 1 320px;
  max-width: 360px;
  background: var(--bg-card);
  padding: var(--gap-lg) var(--gap-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.skill-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 107, 53, 0.4);
  box-shadow: var(--shadow-hover);
}

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto var(--gap-sm);
  background: var(--bg-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  border: 1px solid var(--border);
}

.skill-name {
  font-size: var(--fs-h3);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.skill-desc {
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

/* ── PROJECTS SECTION (CENTERED FLEX GRID) ── */
.projects-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--gap-lg);
}

.project-card {
  flex: 1 1 320px;
  max-width: 370px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 107, 53, 0.4);
  box-shadow: var(--shadow-hover);
}

.project-thumb {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.project-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
}

.bg-project-flock {
  background: radial-gradient(circle, rgba(255, 107, 53, 0.12), var(--bg-surface));
}

.bg-project-niwala {
  background: radial-gradient(circle, rgba(217, 119, 6, 0.12), var(--bg-surface));
}

.bg-project-blockchain {
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12), var(--bg-surface));
}

.project-body {
  padding: var(--gap-md);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--gap-sm);
}

.project-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--gold);
}

.project-desc {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  margin-bottom: var(--gap-md);
  flex-grow: 1;
}

.project-links {
  margin-top: auto;
}

/* ── PROJECT OVERVIEW MODAL POPUP ── */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.project-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 740px;
  max-height: 90vh;
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition);
}

.project-modal.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--accent);
  color: #ffffff;
  transform: rotate(90deg);
}

.modal-header {
  padding: 2rem 2rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.modal-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.modal-title {
  font-size: 1.75rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.modal-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.modal-banner {
  height: 200px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.modal-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-info-block h3 {
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-info-block p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.modal-benefits-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.modal-benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-surface);
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-weight: 500;
}

.modal-benefits-list li svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}

.modal-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.modal-tech-tag {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

.modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1rem;
}

@media (max-width: 600px) {
  .modal-content { max-height: 95vh; }
  .modal-header, .modal-body, .modal-footer { padding: 1.25rem; }
  .modal-footer { flex-direction: column; }
  .modal-footer .btn { width: 100%; }
}

/* ── TIMELINE ── */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 2rem;
  width: 2px;
  height: 100%;
  background: var(--border);
}

.tl-item {
  position: relative;
  padding-left: 4.5rem;
  margin-bottom: 2.5rem;
}

.tl-dot {
  position: absolute;
  top: 0;
  left: 1.35rem;
  width: 1.3rem;
  height: 1.3rem;
  background: var(--bg-card);
  border: 3px solid var(--accent);
  border-radius: 50%;
}

.tl-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.tl-date {
  font-size: var(--fs-label);
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.tl-title {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin: 0.25rem 0;
}

.tl-org {
  font-size: var(--fs-small);
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.tl-desc {
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

/* ── CONTACT SECTION ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--gap-xl);
  align-items: start;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--gap-md);
  background: var(--bg-card);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.contact-item-icon {
  width: 45px;
  height: 45px;
  background: var(--bg-surface);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.contact-item h4 {
  font-size: var(--fs-label);
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.contact-item a, .contact-item p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-item a:hover {
  color: var(--accent);
}

.contact-container {
  background: var(--bg-card);
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.9rem 1.1rem;
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  outline: none;
  transition: all var(--transition);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-dim);
  font-weight: 400;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  background: var(--bg-card);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.form-alert {
  display: none;
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* ── FOOTER ── */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding-top: 3.5rem;
  padding-bottom: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--gap-xl);
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 1rem;
  font-size: var(--fs-small);
}

.footer-links h3, .footer-contact h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-links ul, .footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

/* FOOTER EMAIL & NUMBER HOVER SHADING EFFECT */
.footer-contact a.hover-shade {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  background: transparent;
  transition: all var(--transition);
}

.footer-contact a.hover-shade:hover {
  color: var(--accent);
  background: var(--accent-glow);
  transform: translateX(5px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  font-size: var(--fs-small);
  color: var(--text-dim);
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.footer-socials a {
  color: var(--text-secondary);
  transition: all var(--transition);
}

.footer-socials a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ── FLOATING BUTTONS ── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 99;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.whatsapp-float {
  position: fixed;
  bottom: 5.5rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  z-index: 99;
  transition: transform var(--transition);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: #ffffff;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}