/* Volcanic Ember Architecture Studio - Complete CSS */

/* ===== ROOT VARIABLES ===== */
:root {
  --primary-color: #D32F2F;
  --secondary-color: #212121;
  --ember-light: #FF5252;
  --ember-dark: #B71C1C;
  --ash-gray: #424242;
  --smoke-white: #F5F5F5;
  --lava-gradient: linear-gradient(135deg, #B71C1C 0%, #D32F2F 50%, #FF5252 100%);
  --dark-gradient: linear-gradient(135deg, #000000 0%, #212121 50%, #424242 100%);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-ember: 0 8px 32px rgba(211, 47, 47, 0.3);
  --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* ===== GLOBAL RESETS & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--smoke-white);
  color: var(--secondary-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== NAVIGATION STYLES ===== */
.navbar {
  background: rgba(33, 33, 33, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  transition: var(--transition-base);
  padding: 1rem 0;
}

.navbar-dark {
  background-color: var(--secondary-color) !important;
}

.navbar.scrolled {
  background: rgba(33, 33, 33, 0.98) !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.navbar-brand {
  font-size: 1.75rem !important;
  font-weight: 800 !important;
  color: #FFFFFF !important;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  padding-left: 40px;
}

.navbar-brand::before {
  content: '🔥';
  position: absolute;
  left: 0;
  font-size: 1.5rem;
  animation: flicker 2s infinite;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500 !important;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem !important;
  transition: var(--transition-base);
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--lava-gradient);
  transform: translateX(-50%);
  transition: var(--transition-base);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: #FFFFFF !important;
  background: rgba(211, 47, 47, 0.1);
  border-radius: 4px;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 80%;
}

.navbar-toggler {
  border: 2px solid var(--primary-color) !important;
  padding: 0.5rem 0.75rem;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.25) !important;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.95)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===== HERO SECTION ===== */
.position-relative.vh-100 {
  background: var(--dark-gradient);
  position: relative;
  overflow: hidden;
}

.position-relative.vh-100::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,%3Csvg width="100" height="100" xmlns="http://www.w3.org/2000/svg",%3E%3Cdefs%3E%3Cpattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"%3E%3Cpath d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(211,47,47,0.1)" stroke-width="1"/%3E%3C/pattern%3E%3C/defs%3E%3Crect width="100%" height="100%" fill="url(%23grid)" /%3E%3C/svg%3E');
  opacity: 0.3;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(100px, 100px); }
}

.position-relative.vh-100::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -10%;
  width: 120%;
  height: 100%;
  background: radial-gradient(ellipse, rgba(211, 47, 47, 0.3) 0%, transparent 70%);
  animation: emberGlow 4s ease-in-out infinite alternate;
}

@keyframes emberGlow {
  0% { transform: translateY(0) scale(1); opacity: 0.3; }
  100% { transform: translateY(-20px) scale(1.1); opacity: 0.5; }
}

.display-1 {
  font-size: clamp(2.5rem, 8vw, 6rem) !important;
  font-weight: 900 !important;
  color: #FFFFFF !important;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 40px rgba(211, 47, 47, 0.4);
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 1.5rem !important;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.display-6 {
  font-size: clamp(1rem, 3vw, 1.75rem) !important;
  color: var(--primary-color) !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 1rem !important;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.lead {
  font-size: clamp(1rem, 2vw, 1.25rem) !important;
  color: rgba(255, 255, 255, 0.9) !important;
  max-width: 800px;
  margin: 0 auto 2rem !important;
  line-height: 1.8;
  animation: fadeInUp 1s ease-out 0.4s backwards;
}

/* ===== BUTTONS ===== */
.btn {
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: 8px;
  transition: var(--transition-base);
  border: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-lg {
  padding: 1rem 2.5rem !important;
  font-size: 1rem !important;
}

.btn-primary {
  background: var(--lava-gradient) !important;
  color: #FFFFFF !important;
  box-shadow: var(--shadow-ember);
  border: 2px solid transparent !important;
}

.btn-primary:hover {
  background: var(--ember-dark) !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(211, 47, 47, 0.4);
  color: #FFFFFF !important;
}

.btn-outline-light {
  border: 2px solid #FFFFFF !important;
  color: #FFFFFF !important;
  background: transparent !important;
}

.btn-outline-light:hover {
  background: #FFFFFF !important;
  color: var(--secondary-color) !important;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.btn-light {
  background: #FFFFFF !important;
  color: var(--secondary-color) !important;
  border: 2px solid transparent !important;
}

.btn-light:hover {
  background: var(--smoke-white) !important;
  color: var(--primary-color) !important;
  border: 2px solid var(--primary-color) !important;
  transform: translateY(-3px);
}

.btn-dark {
  background: var(--secondary-color) !important;
  color: #FFFFFF !important;
  border: 2px solid var(--secondary-color) !important;
}

.btn-dark:hover {
  background: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: #FFFFFF !important;
  transform: translateY(-3px);
}

.btn-outline-dark {
  border: 2px solid var(--secondary-color) !important;
  color: var(--secondary-color) !important;
  background: transparent !important;
}

.btn-outline-dark:hover,
.btn-outline-dark.active {
  background: var(--secondary-color) !important;
  color: #FFFFFF !important;
  transform: translateY(-2px);
}

/* ===== CARDS ===== */
.card {
  border: none !important;
  border-radius: 16px !important;
  overflow: hidden;
  transition: var(--transition-base);
  background: #FFFFFF;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card-img-top {
  height: 250px;
  object-fit: cover;
  transition: var(--transition-base);
}

.card:hover .card-img-top {
  transform: scale(1.1);
}

.card-body {
  padding: 2rem !important;
}

.card-title {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  color: var(--secondary-color) !important;
  margin-bottom: 1rem !important;
}

.card-text {
  color: var(--ash-gray) !important;
  line-height: 1.8;
  font-size: 1rem;
}

.card-footer {
  background: var(--smoke-white) !important;
  border-top: 1px solid rgba(0, 0, 0, 0.05) !important;
  padding: 1.5rem !important;
}

.class-card {
  border-left: 4px solid var(--primary-color) !important;
  transition: var(--transition-base);
}

.class-card:hover {
  border-left-width: 8px !important;
  background: rgba(211, 47, 47, 0.02) !important;
}

/* ===== SECTIONS ===== */
.py-5 {
  padding-top: 5rem !important;
  padding-bottom: 5rem !important;
}

.bg-white {
  background-color: #FFFFFF !important;
}

.bg-dark {
  background-color: var(--secondary-color) !important;
  color: #FFFFFF !important;
}

.text-white {
  color: #FFFFFF !important;
}

.text-dark {
  color: var(--secondary-color) !important;
}

.text-muted {
  color: var(--ash-gray) !important;
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.5) !important;
}

/* ===== TYPOGRAPHY ===== */
.display-3 {
  font-size: clamp(2rem, 5vw, 4rem) !important;
  font-weight: 800 !important;
  color: var(--secondary-color) !important;
  line-height: 1.2;
  margin-bottom: 1.5rem !important;
}

.display-4 {
  font-size: clamp(1.75rem, 4vw, 3rem) !important;
  font-weight: 800 !important;
  margin-bottom: 1.5rem !important;
}

.display-5 {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem) !important;
  font-weight: 700 !important;
  margin-bottom: 1rem !important;
}

.h2 {
  font-size: clamp(1.5rem, 3vw, 2rem) !important;
  font-weight: 700 !important;
  color: var(--secondary-color) !important;
}

.h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem) !important;
  font-weight: 700 !important;
}

.h4 {
  font-size: clamp(1.1rem, 2vw, 1.5rem) !important;
  font-weight: 600 !important;
}

.h5 {
  font-size: clamp(1rem, 1.5vw, 1.25rem) !important;
  font-weight: 600 !important;
}

.fw-bold {
  font-weight: 700 !important;
}

.fw-semibold {
  font-weight: 600 !important;
}

/* ===== IMAGES ===== */
.img-fluid {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

.rounded {
  border-radius: 12px !important;
}

.rounded-circle {
  border-radius: 50% !important;
}

.shadow-lg {
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

.shadow-sm {
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

/* ===== FORMS ===== */
.form-control,
.form-select {
  border: 2px solid rgba(33, 33, 33, 0.15) !important;
  border-radius: 8px !important;
  padding: 0.75rem 1rem !important;
  font-size: 1rem !important;
  transition: var(--transition-base);
  background-color: #FFFFFF !important;
  color: var(--secondary-color) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.15) !important;
  outline: none;
}

.form-control::placeholder {
  color: rgba(33, 33, 33, 0.5) !important;
}

.form-label {
  font-weight: 600 !important;
  color: var(--secondary-color) !important;
  margin-bottom: 0.5rem !important;
  font-size: 0.95rem;
}

.form-check-input {
  border: 2px solid rgba(33, 33, 33, 0.3) !important;
  width: 1.25rem;
  height: 1.25rem;
}

.form-check-input:checked {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.15) !important;
}

.form-check-label {
  color: var(--secondary-color) !important;
  margin-left: 0.5rem;
}

.invalid-feedback {
  color: var(--primary-color) !important;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-control.is-invalid {
  border-color: var(--primary-color) !important;
}

.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

/* ===== BADGES ===== */
.badge {
  padding: 0.5rem 1rem !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  border-radius: 6px !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge.bg-primary {
  background-color: var(--primary-color) !important;
  color: #FFFFFF !important;
}

.badge.bg-secondary {
  background-color: var(--secondary-color) !important;
  color: #FFFFFF !important;
}

.badge.bg-success {
  background-color: #4CAF50 !important;
  color: #FFFFFF !important;
}

/* ===== ICONS ===== */
[class^="bi-"],
[class*=" bi-"] {
  font-size: 1.25rem;
  vertical-align: middle;
}

.bi-lightning-charge-fill,
.bi-fire {
  color: var(--primary-color) !important;
  font-size: 2.5rem;
  animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.bi-chevron-down {
  font-size: 2rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* ===== TIMELINE ===== */
.timeline-container {
  position: relative;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--lava-gradient);
  transform: translateX(-50%);
}

.timeline-container .row {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-container .col-md-2 {
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.timeline-container .rounded-circle {
  width: 80px;
  height: 80px;
  background: var(--lava-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid #FFFFFF;
  box-shadow: var(--shadow-ember);
}

.timeline-container .rounded-circle .bi {
  color: #FFFFFF !important;
  font-size: 2rem !important;
}

/* ===== ACCORDION ===== */
.accordion {
  --bs-accordion-border-color: rgba(0, 0, 0, 0.1);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.15);
}

.accordion-item {
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
  margin-bottom: 1rem;
  border-radius: 8px !important;
  overflow: hidden;
}

.accordion-button {
  background-color: #FFFFFF !important;
  color: var(--secondary-color) !important;
  font-weight: 600 !important;
  padding: 1.25rem 1.5rem !important;
  font-size: 1.1rem !important;
}

.accordion-button:not(.collapsed) {
  background-color: rgba(211, 47, 47, 0.05) !important;
  color: var(--primary-color) !important;
  box-shadow: none !important;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.15) !important;
}

.accordion-button::after {
  filter: brightness(0) saturate(100%) invert(16%) sepia(91%) saturate(2535%) hue-rotate(348deg) brightness(87%) contrast(88%);
}

.accordion-body {
  padding: 1.5rem !important;
  color: var(--ash-gray) !important;
  line-height: 1.8;
}

/* ===== TABLE ===== */
.table {
  color: var(--secondary-color) !important;
}

.table-bordered {
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

.table-hover tbody tr:hover {
  background-color: rgba(211, 47, 47, 0.05) !important;
}

.table thead {
  background: var(--dark-gradient) !important;
  color: #FFFFFF !important;
}

.table thead th {
  border: none !important;
  padding: 1rem !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.table tbody td {
  padding: 1rem !important;
  vertical-align: middle;
  border-color: rgba(0, 0, 0, 0.05) !important;
}

/* ===== CAROUSEL ===== */
.carousel {
  border-radius: 16px;
  overflow: hidden;
}

.carousel-inner {
  border-radius: 16px;
}

.carousel-item {
  height: 500px;
  position: relative;
}

.carousel-item img {
  object-fit: cover;
  height: 100%;
  width: 100%;
}

.carousel-control-prev,
.carousel-control-next {
  width: 60px;
  background: rgba(33, 33, 33, 0.5);
  transition: var(--transition-base);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  background: rgba(211, 47, 47, 0.8);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  width: 30px;
  height: 30px;
}

/* ===== UTILITIES ===== */
.position-sticky {
  position: sticky !important;
  top: 80px;
}

.position-relative {
  position: relative !important;
}

.position-absolute {
  position: absolute !important;
}

.position-fixed {
  position: fixed !important;
}

.overflow-hidden {
  overflow: hidden !important;
}

.d-none {
  display: none !important;
}

.d-block {
  display: block !important;
}

.d-flex {
  display: flex !important;
}

.d-inline-block {
  display: inline-block !important;
}

.flex-column {
  flex-direction: column !important;
}

.flex-wrap {
  flex-wrap: wrap !important;
}

.flex-grow-1 {
  flex-grow: 1 !important;
}

.align-items-center {
  align-items: center !important;
}

.align-items-start {
  align-items: flex-start !important;
}

.justify-content-center {
  justify-content: center !important;
}

.justify-content-between {
  justify-content: space-between !important;
}

.text-center {
  text-align: center !important;
}

.text-md-start {
  text-align: start !important;
}

.text-md-end {
  text-align: end !important;
}

.text-lg-end {
  text-align: end !important;
}

.mx-auto {
  margin-left: auto !important;
  margin-right: auto !important;
}

.ms-auto {
  margin-left: auto !important;
}

.m-3 {
  margin: 1rem !important;
}

.mt-1 {
  margin-top: 0.25rem !important;
}

.mt-3 {
  margin-top: 1rem !important;
}

.mt-4 {
  margin-top: 1.5rem !important;
}

.mt-5 {
  margin-top: 3rem !important;
}

.mt-auto {
  margin-top: auto !important;
}

.mt-lg-0 {
  margin-top: 0 !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mb-1 {
  margin-bottom: 0.25rem !important;
}

.mb-2 {
  margin-bottom: 0.5rem !important;
}

.mb-3 {
  margin-bottom: 1rem !important;
}

.mb-4 {
  margin-bottom: 1.5rem !important;
}

.mb-5 {
  margin-bottom: 3rem !important;
}

.mb-md-0 {
  margin-bottom: 0 !important;
}

.mb-lg-0 {
  margin-bottom: 0 !important;
}

.me-1 {
  margin-right: 0.25rem !important;
}

.me-2 {
  margin-right: 0.5rem !important;
}

.me-3 {
  margin-right: 1rem !important;
}

.ms-3 {
  margin-left: 1rem !important;
}

.ms-4 {
  margin-left: 1.5rem !important;
}

.my-4 {
  margin-top: 1.5rem !important;
  margin-bottom: 1.5rem !important;
}

.p-0 {
  padding: 0 !important;
}

.p-3 {
  padding: 1rem !important;
}

.p-4 {
  padding: 1.5rem !important;
}

.p-5 {
  padding: 3rem !important;
}

.px-4 {
  padding-left: 1.5rem !important;
  padding-right: 1.5rem !important;
}

.px-5 {
  padding-left: 3rem !important;
  padding-right: 3rem !important;
}

.py-2 {
  padding-top: 0.5rem !important;
  padding-bottom: 0.5rem !important;
}

.py-3 {
  padding-top: 1rem !important;
  padding-bottom: 1rem !important;
}

.py-5 {
  padding-top: 3rem !important;
  padding-bottom: 3rem !important;
}

.pb-3 {
  padding-bottom: 1rem !important;
}

.pb-4 {
  padding-bottom: 1.5rem !important;
}

.pt-3 {
  padding-top: 1rem !important;
}

.pt-5 {
  padding-top: 3rem !important;
}

.gap-3 {
  gap: 1rem !important;
}

.g-0 {
  gap: 0 !important;
}

.g-3 {
  gap: 1rem !important;
}

.g-4 {
  gap: 1.5rem !important;
}

.g-5 {
  gap: 3rem !important;
}

.w-100 {
  width: 100% !important;
}

.h-100 {
  height: 100% !important;
}

.vh-100 {
  height: 100vh !important;
}

.min-vh-100 {
  min-height: 100vh !important;
}

.border-0 {
  border: 0 !important;
}

.border-bottom {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
}

.border-secondary {
  border-color: var(--secondary-color) !important;
}

.text-decoration-none {
  text-decoration: none !important;
}

.list-unstyled {
  list-style: none !important;
  padding-left: 0 !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.fs-4 {
  font-size: calc(1.275rem + 0.3vw) !important;
}

.fs-5 {
  font-size: 1.25rem !important;
}

.fs-6 {
  font-size: 1rem !important;
}

.small {
  font-size: 0.875rem !important;
}

.text-success {
  color: #4CAF50 !important;
}

/* ===== ANIMATIONS ===== */
@keyframes flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ===== FOOTER ===== */
footer {
  background: var(--dark-gradient);
  color: rgba(255, 255, 255, 0.8);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--lava-gradient);
}

footer a {
  color: rgba(255, 255, 255, 0.7) !important;
  text-decoration: none;
  transition: var(--transition-base);
}

footer a:hover {
  color: var(--primary-color) !important;
  transform: translateX(5px);
}

footer .bi {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.7) !important;
  transition: var(--transition-base);
}

footer .bi:hover {
  color: var(--primary-color) !important;
  transform: scale(1.2);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(33, 33, 33, 0.98);
    padding: 1.5rem;
    margin-top: 1rem;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
    margin: 0.25rem 0;
  }
  
  .display-1 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .timeline-container::before {
    left: 30px;
  }
  
  .timeline-container .col-md-2 {
    position: absolute;
    left: 0;
  }
  
  .timeline-container .col-md-5 {
    margin-left: 100px;
  }
  
  .carousel-item {
    height: 300px;
  }
}

@media (max-width: 767.98px) {
  .btn-lg {
    padding: 0.875rem 2rem !important;
    font-size: 0.9rem !important;
  }
  
  .card-img-top {
    height: 200px;
  }
  
  .text-md-start,
  .text-md-end {
    text-align: center !important;
  }
  
  .mb-md-0 {
    margin-bottom: 1rem !important;
  }
}

@media (max-width: 575.98px) {
  .navbar-brand {
    font-size: 1.25rem !important;
    padding-left: 30px;
  }
  
  .navbar-brand::before {
    font-size: 1.2rem;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .px-4 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .carousel-item {
    height: 250px;
  }
}

/* ===== SCROLL TO TOP BUTTON ===== */
#scrollToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--lava-gradient);
  color: #FFFFFF;
  border: none;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  box-shadow: var(--shadow-ember);
  transition: var(--transition-base);
  font-size: 1.5rem;
}

#scrollToTop:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(211, 47, 47, 0.5);
}

#scrollToTop.show {
  display: flex;
  animation: fadeInUp 0.5s ease-out;
}

/* ===== LOADING ANIMATION ===== */
.loader {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(211, 47, 47, 0.2);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--secondary-color);
}

::-webkit-scrollbar-thumb {
  background: var(--lava-gradient);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--ember-dark);
}

/* ===== SELECTION ===== */
::selection {
  background: var(--primary-color);
  color: #FFFFFF;
}

::-moz-selection {
  background: var(--primary-color);
  color: #FFFFFF;
}

/* ===== FOCUS VISIBLE ===== */
*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .btn,
  footer,
  #scrollToTop {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
}