/* ===== VARIABLES & ROOT ===== */
:root {
  --slate-heavy: #0f172a;
  --slate-light: #1e293b;
  --slate-mid: #334155;
  --slate-lightest: #64748b;
  --amber-heavy: #d97706;
  --amber-light: #fbbf24;
  --amber-glow: rgba(217, 119, 6, 0.15);
  --surface-grey: #f8fafc;
  --white-soft: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.12);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-soft: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 15px 40px rgba(15, 23, 42, 0.12);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition-smooth: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --transition-soft: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--slate-mid);
  background-color: #ffffff;
  overflow-x: hidden;
  padding-top: 75px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
.navbar-brand {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

::selection {
  background: var(--amber-heavy);
  color: #fff;
}

/* ===== SCROLL PROGRESS BAR ===== */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber-light), var(--amber-heavy));
  width: 0%;
  z-index: 9999;
  transition: width 0.1s ease;
}

/* ===== UTILITY CLASSES ===== */
section {
  padding: 80px 0;
  scroll-margin-top: 80px;
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
}

.bg-surface {
  background-color: var(--surface-grey) !important;
}

.bg-slate-heavy {
  background-color: var(--slate-heavy) !important;
}

.bg-footer {
  background-color: #090d16 !important;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.section-badge {
  display: inline-block;
  color: var(--amber-heavy);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 12px;
  position: relative;
}

.section-badge::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--amber-heavy);
  margin-top: 8px;
  border-radius: 2px;
}

.section-title {
  color: var(--slate-heavy);
  font-weight: 800;
  margin-bottom: 20px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.section-title .highlight {
  color: var(--amber-heavy);
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 30%, var(--amber-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-effect {
  background: var(--white-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatAnim {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes pulseGlow {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(217, 119, 6, 0.4);
  }
  50% {
    box-shadow: 0 0 0 16px rgba(217, 119, 6, 0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-floating {
  animation: floatAnim 5s ease-in-out infinite;
}

.animate-fade-in {
  animation: fadeInUp 0.9s ease both;
}

.animate-scale-in {
  animation: scaleIn 0.6s ease both;
}

.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}
.delay-4 {
  transition-delay: 0.4s;
}

/* ===== NAVBAR ===== */
.navbar {
  background: rgba(15, 23, 42, 0.95) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 14px 0;
  transition: var(--transition-soft);
}

.navbar.scrolled {
  padding: 8px 0;
  background: rgba(15, 23, 42, 0.98) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
  font-size: 0.95rem;
  letter-spacing: 1.5px;
}

.navbar-brand span {
  color: var(--amber-heavy);
}

.nav-link {
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  margin: 0 4px;
  padding: 8px 14px !important;
  border-radius: 6px;
  transition: var(--transition-soft);
  position: relative;
  color: rgba(255, 255, 255, 0.7) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--amber-heavy);
  transition: var(--transition-soft);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--amber-light) !important;
  background: rgba(217, 119, 6, 0.08);
}

.navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  padding: 8px 10px;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.3);
}

/* ===== HERO SECTION ===== */
.hero-box {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.7), rgba(2, 6, 23, 0.8)),
    url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?q=80&w=1920&auto=format&fit=crop') no-repeat center center/cover;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-box::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatAnim 8s ease-in-out infinite;
}

.hero-box::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatAnim 10s ease-in-out infinite reverse;
}

.hero-box .container {
  position: relative;
  z-index: 2;
}

#hero-title {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
}

#hero-tagline {
  font-weight: 300;
  max-width: 580px;
  line-height: 1.7;
  font-size: clamp(1rem, 1.3vw, 1.2rem);
}

.hero-stats .stat-item {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: var(--transition-soft);
}

.hero-stats .stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.hero-stats .stat-number {
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 800;
  color: var(--amber-light);
}

.hero-stats .stat-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.5);
}

.hero-credit {
  position: absolute;
  right: 20px;
  bottom: 16px;
  z-index: 10;

  color: rgba(255, 255, 255, 0.55);

  font-size: 10px;
  font-weight: 400;

  letter-spacing: 0.3px;

  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(5px);

  padding: 6px 10px;
  border-radius: 5px;

  white-space: nowrap;
}

.hero-credit a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}

.hero-credit a:hover {
  color: #d4a85a;
  text-decoration: underline;
}

/* ===== BUTTONS ===== */
.btn-custom {
  background: linear-gradient(135deg, var(--amber-heavy), #b45309);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 14px 32px;
  border-radius: 6px;
  border: none;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-custom::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: left 0.6s ease;
}

.btn-custom:hover::before {
  left: 100%;
}

.btn-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(217, 119, 6, 0.35);
  color: #fff !important;
}

.btn-outline-light {
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 28px;
  color: #fff !important;
  background: transparent;
  transition: var(--transition-soft);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ===== ABOUT SECTION ===== */
#about img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
}

#about img:hover {
  transform: scale(1.01);
  box-shadow: var(--shadow-hover);
}

/* ===== SERVICES & STRENGTHS CARDS ===== */
.card {
  border: none;
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
  background: #ffffff;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

#services-list .card,
#strengths-list .card {
  padding: 32px 24px;
  height: 100%;
  border-top: 3px solid transparent;
  transition: var(--transition-smooth);
}

#services-list .card:hover,
#strengths-list .card:hover {
  border-top-color: var(--amber-heavy);
}

#services-list .card i,
#strengths-list .card i {
  color: var(--amber-heavy);
  font-size: 2rem;
  margin-bottom: 16px;
  transition: var(--transition-soft);
}

#services-list .card:hover i,
#strengths-list .card:hover i {
  transform: scale(1.1) rotate(-5deg);
}

#services-list .card h5,
#strengths-list .card h5 {
  color: var(--slate-heavy);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 10px;
}

#services-list .card p,
#strengths-list .card p {
  color: var(--slate-lightest);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* ===== CLIENTS ===== */
.client-logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: var(--transition-smooth);
  min-height: 80px;
}

.client-logo-container:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-4px);
}

.client-logo-container img {
  max-width: 140px;
  max-height: 60px;
  width: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: var(--transition-smooth);
}

.client-logo-container:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ===== EXPERIENCE LIST ===== */
#experience-list .list-group-item {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition-soft);
  font-size: 0.9rem;
  background: transparent;
}

#experience-list .list-group-item:last-child {
  border-bottom: none;
}

#experience-list .list-group-item:hover {
  background: rgba(217, 119, 6, 0.04);
  padding-left: 28px;
}

#experience-list .list-group-item span:first-child {
  color: var(--amber-heavy);
  font-size: 1.2rem;
  margin-right: 12px;
}

/* ===== PROJECTS ===== */
#projects-list .card {
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
  transition: var(--transition-smooth);
}

#projects-list .card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

#projects-list .card img {
  height: 220px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

#projects-list .card:hover img {
  transform: scale(1.05);
}

#projects-list .card .card-body {
  padding: 20px 24px;
}

#projects-list .card .card-title {
  color: var(--slate-heavy);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
  min-height: 40px;
}

#projects-list .card .badge {
  background: var(--surface-grey) !important;
  color: var(--slate-mid) !important;
  font-weight: 500;
  padding: 6px 14px;
}

#projects-list .card .badge i {
  color: var(--amber-heavy);
  margin-right: 4px;
}

/* ===== CTA SECTION ===== */
.bg-slate-heavy h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.bg-slate-heavy .text-gradient {
  background: linear-gradient(135deg, var(--amber-light), var(--amber-heavy));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== CONTACT SECTION ===== */
.contact-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
}

.contact-card:hover {
  box-shadow: var(--shadow-hover);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item .contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(217, 119, 6, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber-heavy);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item .contact-text {
  font-size: 0.9rem;
  color: var(--slate-mid);
  margin-bottom: 0;
}

.contact-item .contact-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--slate-heavy);
}

/* ===== FLOATING ACTIONS ===== */
.floating-actions {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-actions .action-item {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  transition: var(--transition-smooth);
  position: relative;
  animation: pulseGlow 2.5s infinite;
}

.floating-actions .action-item:nth-child(2) {
  animation-delay: 0.5s;
}

.floating-actions .action-item:hover {
  transform: scale(1.12) translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.floating-actions .action-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.floating-actions .action-tooltip {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%) scale(0.8);
  background: var(--slate-heavy);
  color: #fff;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.floating-actions .action-item:hover .action-tooltip {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

/* ===== FOOTER ===== */
footer {
  padding: 32px 0;
}

footer small {
  opacity: 0.6;
  font-weight: 300;
}

footer strong {
  color: var(--amber-light);
}

/* ===== RESPONSIVE FIXES ===== */
@media (max-width: 992px) {
  .hero-box {
    min-height: 90vh;
  }

  .hero-box::before,
  .hero-box::after {
    display: none;
  }

  .navbar-nav {
    padding: 12px 0;
    background: rgba(15, 23, 42, 0.98);
    border-radius: var(--radius-md);
    margin-top: 12px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.active {
    background: rgba(217, 119, 6, 0.1);
  }
}

@media (max-width: 768px) {
  .hero-box {
    min-height: 80vh;
    text-align: center !important;
  }

  #hero-tagline {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-stats .stat-item {
    padding: 12px 16px;
  }

  .floating-actions {
    bottom: 16px;
    right: 16px;
  }

  .floating-actions .action-item {
    width: 48px;
    height: 48px;
  }

  .contact-card {
    padding: 28px 20px;
  }

  .client-logo-container img {
    max-width: 100px;
    max-height: 50px;
  }

  #services-list .card,
  #strengths-list .card {
    padding: 24px 18px;
  }
}

@media (max-width: 480px) {
  .hero-box {
    min-height: 70vh;
  }

  .btn-custom,
  .btn-outline-light {
    font-size: 0.75rem;
    padding: 10px 20px;
  }

  .section-badge {
    font-size: 0.6rem;
    letter-spacing: 2px;
  }
}