/* ========================================
   COMMON STYLES - Shared across all pages
   ======================================== */

/* CSS Variables - Dark Theme (Default) */
:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #F86106;
    --accent-hover: #d94e00;
    --border-color: #334155;
    --gradient-start: #0f172a;
    --gradient-end: #2a1205;
    --font-main: 'Inter', sans-serif;
}

/* CSS Variables - Light Theme */
[data-theme="light"] {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-color: #F86106;
    --accent-hover: #d94e00;
    --border-color: #e2e8f0;
    --gradient-start: #f8fafc;
    --gradient-end: #fef3e8;
}

/* Reset Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================================
   BACKGROUND GRADIENT
   ======================================== */

.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, #1e293b 0%, var(--bg-color) 60%);
    z-index: -1;
    transition: background 0.3s ease;
}

[data-theme="light"] .background-gradient {
    background: radial-gradient(circle at top right, #ffffff 0%, var(--bg-color) 60%);
}

.background-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(248, 97, 6, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 0.8;
    }
}

/* ========================================
   HAMBURGER MENU
   ======================================== */

.hamburger-menu {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: transparent;
    border: none;
    border-radius: 0;
    width: 35px;
    height: 35px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 5px;
    opacity: 1;
    visibility: visible;
}

.hamburger-menu.active {
    opacity: 0;
    visibility: hidden;
}

.hamburger-menu:hover {
    background: transparent;
    transform: scale(1.1);
}

.hamburger-line {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger-menu:hover .hamburger-line {
    background: var(--accent-color);
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   NAVIGATION OVERLAY
   ======================================== */

.nav-overlay {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(5px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.nav-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    height: 100%;
    background: var(--card-bg);
    border-left: 1px solid var(--border-color);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    padding: 80px 40px 40px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.nav-overlay.active .nav-content {
    transform: translateX(0);
}

.nav-close {
    position: absolute;
    top: 20px;
    left: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.nav-close:hover {
    color: var(--accent-color);
    transform: rotate(90deg);
}

.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links li {
    margin: 30px 0;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
}

.nav-overlay.active .nav-links li {
    opacity: 1;
    transform: translateX(0);
}

.nav-overlay.active .nav-links li:nth-child(1) {
    transition-delay: 0.1s;
}

.nav-overlay.active .nav-links li:nth-child(2) {
    transition-delay: 0.2s;
}

.nav-overlay.active .nav-links li:nth-child(3) {
    transition-delay: 0.3s;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: block;
    position: relative;
    padding: 10px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
    padding-left: 10px;
}

.nav-links a:hover::after {
    width: 100%;
}

/* ========================================
   LANGUAGE SELECTOR
   ======================================== */

.language-selector {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.language-selector h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-weight: 600;
}

.language-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-main);
}

.lang-btn i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
    transform: translateX(5px);
}

.lang-btn:hover i {
    transform: scale(1.2);
}

.lang-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    font-weight: 600;
}

.lang-btn.active i {
    animation: flagWave 0.6s ease;
}

@keyframes flagWave {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-10deg);
    }

    75% {
        transform: rotate(10deg);
    }
}

/* ========================================
   THEME SELECTOR (Menu Mobile)
   ======================================== */

.theme-selector {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
    display: none;
    /* Hidden on desktop, shown on mobile */
}

.theme-selector h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-weight: 600;
}

.theme-toggle-menu {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    font-family: var(--font-main);
}

.theme-toggle-menu:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
}

.theme-toggle-menu .theme-toggle-icon {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.theme-toggle-menu .theme-toggle-icon i {
    position: absolute;
    font-size: 18px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
}

/* Default state (Dark theme - show sun) */
.theme-toggle-menu .fa-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle-menu .fa-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

/* Light theme state (show moon) */
[data-theme="light"] .theme-toggle-menu .fa-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

[data-theme="light"] .theme-toggle-menu .fa-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-label {
    flex-grow: 1;
    text-align: left;
}

/* Show on mobile only */
@media (max-width: 768px) {
    .theme-selector {
        display: block;
    }
}

/* ========================================
   TRANSLATION ANIMATION
   ======================================== */

[data-lang-key] {
    transition: opacity 0.2s ease;
}

.translating [data-lang-key] {
    opacity: 0.5;
}

/* ========================================
   FOOTER BASE STYLES
   ======================================== */

.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    margin-top: 60px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    margin-top: 20px;
}

.footer-links a {
    color: var(--text-primary);
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.2s;
    cursor: pointer;
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* ========================================
   COMMON ANIMATIONS
   ======================================== */

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========================================
   THEME TOGGLE BUTTON
   ======================================== */

.theme-toggle {
    position: fixed;
    bottom: 25px;
    left: 20px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(248, 97, 6, 0.3);
    border-color: var(--accent-color);
    background: rgba(30, 41, 59, 0.95);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.95);
}

.theme-toggle:active {
    transform: translateY(0);
}

/* Icon container */
.theme-toggle-icon {
    position: relative;
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    font-size: 18px;
    transition: color 0.3s ease;
}

.theme-toggle:hover .theme-toggle-icon {
    color: var(--accent-color);
}

/* Sun and Moon icons */
.theme-toggle .fa-sun,
.theme-toggle .fa-moon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Default state (Dark theme - show sun) */
.theme-toggle .fa-sun {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

.theme-toggle .fa-moon {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg) scale(0);
}

/* Light theme state (show moon) */
[data-theme="light"] .theme-toggle .fa-sun {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-90deg) scale(0);
}

[data-theme="light"] .theme-toggle .fa-moon {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

/* Glow effect on hover */
.theme-toggle::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.theme-toggle:hover::before {
    opacity: 0.15;
}

/* Tooltip */
.theme-toggle::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 55px;
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover::after {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   RESPONSIVE - NAVIGATION
   ======================================== */

/* Hide floating theme toggle on tablet 13" and below (use menu instead) */
@media (max-width: 1024px) {
    .theme-toggle {
        display: none;
    }
}

@media (max-width: 480px) {
    .nav-content {
        width: 280px;
        padding: 80px 30px 40px;
    }

    .nav-links a {
        font-size: 1.3rem;
    }
}

/* ========================================
   SCROLL TO TOP
   ======================================== */

.scroll-to-top {
    position: fixed;
    bottom: 25px;
    right: 20px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    color: var(--text-secondary);
    font-size: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 8px 20px rgba(248, 97, 6, 0.3);
    transform: translateY(-2px);
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {

    .hamburger-menu,
    .nav-overlay,
    .theme-toggle,
    .scroll-to-top,
    .cookie-consent-banner {
        display: none;
    }

    .background-gradient {
        display: none;
    }
}