/* =============================================
   UX Enhancements — Portfolio Yassine Zouazou
   ============================================= */

/* ── Skip to content (Accessibility) ── */
.skip-to-content {
    position: fixed;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 99999;
    background: var(--px-theme-text);
    color: var(--px-theme);
    padding: 12px 24px;
    border-radius: 0 0 12px 12px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: top 0.3s ease;
}
.skip-to-content:focus {
    top: 0;
    outline: 3px solid var(--px-theme);
    outline-offset: 2px;
}

/* ── Focus Visible (Accessibility) ── */
:focus-visible {
    outline: 2px solid var(--px-theme-text) !important;
    outline-offset: 3px !important;
    border-radius: 4px;
}
:focus:not(:focus-visible) {
    outline: none !important;
}

/* ── Page Preloader ── */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: var(--px-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
#preloader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.preloader-spinner {
    width: 44px;
    height: 44px;
    border: 4px solid var(--px-border);
    border-top-color: var(--px-theme-text);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Theme Transition ── */
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
    transition: background-color 0.35s ease,
                color 0.35s ease,
                border-color 0.35s ease,
                box-shadow 0.35s ease,
                fill 0.35s ease !important;
}

/* ── Toast Notifications ── */
.toast-container {
    z-index: 99998 !important;
}
.toast-container .toast {
    border: none;
    border-radius: 12px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
    font-weight: 500;
    min-width: 300px;
    animation: toast-slide-in 0.4s ease;
}
@keyframes toast-slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}
.toast.toast-success {
    background: linear-gradient(135deg, #065f46 0%, #047857 100%);
    color: #ecfdf5;
}
.toast.toast-error {
    background: linear-gradient(135deg, #7f1d1d 0%, #991b1b 100%);
    color: #fef2f2;
}
.toast.toast-info {
    background: linear-gradient(135deg, #1e3a5f 0%, #1e40af 100%);
    color: #eff6ff;
}
.toast .toast-body {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    font-size: 14px;
}
.toast .toast-body i {
    font-size: 18px;
    flex-shrink: 0;
}

/* ── Menu Backdrop (mobile) ── */
.menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}
.menu-backdrop.active {
    opacity: 1;
    visibility: visible;
}

/* ── Sidebar Tooltips ── */
.sidebar-tooltip {
    position: fixed;
    left: 86px;
    background: var(--px-theme-text);
    color: var(--px-theme);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translateX(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 12;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.sidebar-tooltip::before {
    content: "";
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: var(--px-theme-text);
    border-left: 0;
}
.sidebar-tooltip.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--px-bg); }
::-webkit-scrollbar-thumb {
    background: var(--px-theme);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--px-theme-text); }

/* ── Scroll Progress Bar ── */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--px-theme), var(--px-theme-text));
    z-index: 9999;
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
}

/* ── Back-to-Top Button ── */
#back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--px-theme);
    color: var(--px-theme-text);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.35s ease, transform 0.35s ease, background 0.25s;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
#back-to-top.visible { opacity: 1; transform: translateY(0); }
#back-to-top:hover {
    background: var(--px-theme-text);
    color: var(--px-theme);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

/* ── Sidebar Navigation Improvements ── */
.header-left-fixed {
    width: 80px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 2px 0 20px rgba(0,0,0,0.15);
    transition: box-shadow 0.3s ease;
    background-color: var(--px-gray-2);
}
@media (min-width: 1024px) {
    .header-left-fixed + .wrapper {
        padding-left: 80px;
    }
}

/* Nav items */
.main-menu li {
    position: relative;
    padding: 0 !important;
}

/* Active left-bar indicator */
.main-menu li.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10%;
    height: 80%;
    width: 3px;
    background: var(--px-theme-text);
    border-radius: 0 3px 3px 0;
    z-index: 2;
}

/* Remove old right-dot artifact */
.main-menu li.active a::after { display: none; }

.main-menu a {
    position: relative;
    border-radius: 10px;
    transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
    margin: 2px 6px;
    padding: 8px 0 !important;
}

/* Hover background */
.main-menu a:hover {
    background: var(--px-gray-3) !important;
    color: var(--px-theme-text) !important;
    transform: scale(1.04);
}

/* Active icon */
.main-menu li.active a .m-icon {
    background-color: var(--px-theme-text) !important;
    color: var(--px-theme) !important;
    border-radius: 12px !important;
    box-shadow: 0 4px 14px rgba(0,74,119,0.35);
}

/* Active link background tint */
.main-menu li.active a {
    background: var(--px-gray-3) !important;
}

/* Icon container */
.main-menu .m-icon {
    width: 44px !important;
    height: 44px !important;
    border-radius: 12px !important;
    font-size: 19px !important;
    transition: background 0.25s, box-shadow 0.25s, border-radius 0.25s !important;
}

/* Text label */
.main-menu .m-text {
    font-size: 10px !important;
    font-weight: 600 !important;
    letter-spacing: 0.2px;
    margin-top: 2px;
    opacity: 0.75;
}
.main-menu li.active .m-text { opacity: 1; color: var(--px-theme-text); }

/* Logo area */
.header-left-fixed .logo {
    display: flex !important;
    width: 100%;
    padding: 14px 8px;
    justify-content: center !important;
    align-items: center;
    border-bottom: none !important;
    overflow: hidden;
    box-sizing: border-box;
}

/* Reset Bootstrap margin-right sur navbar-brand dans la sidebar */
.header-left-fixed .navbar-brand {
    margin-right: 0 !important;
    margin-left: 0 !important;
    padding: 0 !important;
}

/* ── Text Logo ── */
.site-logo {
    display: inline-flex;
    align-items: baseline;
    gap: 0;
    background: linear-gradient(135deg, #003d63 0%, #0369a1 100%);
    border-radius: 9px;
    padding: 6px 9px;
    font-family: 'Rubik', sans-serif;
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.2;
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
    transition: box-shadow 0.25s, transform 0.25s;
}
.site-logo:hover {
    box-shadow: 0 4px 18px rgba(0,0,0,0.35);
    transform: scale(1.04);
}
.logo-z {
    font-size: 17px;
    font-weight: 900;
    color: #c2e7ff;
    letter-spacing: -0.5px;
}
.logo-rest {
    font-size: 14px;
    font-weight: 500;
    color: rgba(194, 231, 255, 0.78);
    letter-spacing: 0.2px;
}

/* Mobile header logo slightly larger */
.main-header .site-logo {
    padding: 7px 12px;
}
.main-header .logo-z  { font-size: 20px; }
.main-header .logo-rest { font-size: 16px; }

/* Sidebar logo: réduit pour tenir dans 80px */
.header-left-fixed .site-logo {
    padding: 5px 6px;
    max-width: 68px;
    box-sizing: border-box;
}
.header-left-fixed .logo-z   { font-size: 14px; }
.header-left-fixed .logo-rest { font-size: 11px; }

/* Language flags */
#fr-flag, #en-flag {
    cursor: pointer;
    border-radius: 50%;
    transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
    opacity: 0.65;
    border: 2px solid transparent;
    width: 30px !important;
    height: 30px !important;
}
#fr-flag:hover, #en-flag:hover {
    transform: scale(1.18);
    opacity: 1;
    box-shadow: 0 0 0 3px var(--px-theme);
    border-color: var(--px-theme-text);
}
#fr-flag.lang-active, #en-flag.lang-active {
    opacity: 1;
    border-color: var(--px-theme-text);
    box-shadow: 0 0 0 3px var(--px-theme);
}

/* ── Hero Section ── */
.home-section {
    position: relative;
    overflow: hidden;
}
.home-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 40%, var(--px-theme) 0%, transparent 65%);
    opacity: 0.18;
    z-index: 0;
    pointer-events: none;
}
.home-section .container { position: relative; z-index: 1; }

/* Animated gradient text for name */
.home-section .home-intro h1 {
    background: linear-gradient(135deg, var(--bs-heading-color) 40%, var(--px-theme-text) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home-section .home-intro h6 {
    display: inline-block;
    background: var(--px-theme);
    color: var(--px-theme-text);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

/* Typing cursor */
#messages::after {
    content: "|";
    animation: blink 0.8s infinite;
    color: var(--px-theme-text);
    font-weight: 300;
}
@keyframes blink { 0%,100%{ opacity:1 } 50%{ opacity:0 } }

/* Hero image floating animation */
.home-section .home-image img {
    animation: float 5s ease-in-out infinite;
    box-shadow: 0 24px 60px rgba(0,0,0,0.2);
}
@keyframes float {
    0%,100% { transform: translateY(0px); }
    50%      { transform: translateY(-14px); }
}

/* ── Buttons ── */
.px-btn {
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    border-radius: 12px;
}
.px-btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.08);
    opacity: 0;
    transition: opacity 0.25s;
}
.px-btn:hover::after { opacity: 1; }
.px-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.px-btn:active { transform: translateY(0); }

/* ── Section Headings ── */
.section-heading h3::after {
    height: 4px;
    width: 50px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--px-theme-text), var(--px-theme));
    transition: width 0.5s ease;
}
.section-heading:hover h3::after { width: 90px; }

/* ── Service Cards — Glassmorphism + lift ── */
.feature-box-01 {
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s;
}
.feature-box-01:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.18);
    border-color: var(--px-theme-text);
}
.feature-box-01 .icon i {
    font-size: 30px;
    transition: transform 0.35s ease;
}
.feature-box-01:hover .icon i { transform: scale(1.15) rotate(-5deg); }

.feature-box-01 h5 {
    font-weight: 700;
    margin-bottom: 12px;
    font-size: 17px;
    letter-spacing: 0.3px;
}

/* ── Experience Timeline ── */
.resume-box ul { position: relative; padding-left: 0; }
.resume-box ul::before {
    content: "";
    position: absolute;
    left: 35px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: linear-gradient(to bottom, var(--px-theme-text), transparent);
    border-radius: 2px;
}
.resume-box li {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
}
.resume-box li:hover {
    transform: translateX(6px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.15);
    border-color: var(--px-theme-text);
}
.resume-box li .icon {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.resume-box li:hover .icon {
    transform: scale(1.1);
    box-shadow: 0 0 0 4px var(--px-theme);
}

/* Toggle button */
.toggle-button {
    background: var(--px-theme-text);
    color: var(--px-theme);
    border-radius: 8px;
    font-size: 12px;
    padding: 5px 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: background 0.25s, transform 0.25s;
}
.toggle-button:hover {
    background: var(--px-theme);
    color: var(--px-theme-text);
    transform: scale(1.03);
}

/* ── About Content Cards ── */
.about-content li {
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s, border-color 0.3s;
}
.about-content li:hover {
    transform: translateX(6px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* ── Testimonial Cards ── */
.testimonials-box {
    position: relative;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    overflow: hidden;
}
.testimonials-box::before {
    content: "\201C";
    position: absolute;
    top: -10px;
    left: 16px;
    font-size: 100px;
    line-height: 1;
    color: var(--px-theme);
    opacity: 0.35;
    font-family: Georgia, serif;
    pointer-events: none;
}
.testimonials-box:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.18);
    border-color: var(--px-theme-text);
}
.testimonials-box .t-text h5 {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    font-style: italic;
    color: var(--px-text);
}
/* Star rating display */
.testimonials-box .t-avatar::before {
    content: "★★★★★";
    display: block;
    color: #f5a623;
    font-size: 14px;
    margin-bottom: 6px;
    letter-spacing: 2px;
}

/* ── Contact Form ── */
.contact-form {
    transition: box-shadow 0.3s;
}
.contact-form:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}
.contact-form .form-control {
    border-radius: 10px;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.contact-form .form-control:focus {
    border-color: var(--px-theme-text) !important;
    box-shadow: 0 0 0 3px rgba(0,74,119,0.15) !important;
}
.contact-form .form-label {
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 6px;
    color: var(--bs-heading-color);
}
.contact-form textarea.form-control { resize: none; }

/* Send button full width */
.contact-form .send .px-btn {
    font-size: 15px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Contact info icon */
.contact-info .icon {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.contact-info li:hover .icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 0 0 6px var(--px-theme);
}

/* ── About Me Image ── */
.about-me-img {
    overflow: hidden;
    position: relative;
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
    transition: transform 0.4s ease, box-shadow 0.4s;
}
.about-me-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--px-theme) 0%, transparent 60%);
    opacity: 0.15;
    pointer-events: none;
}
.about-me-img img {
    transition: transform 0.5s ease;
}
.about-me-img:hover img { transform: scale(1.04); }
.about-me-img:hover { box-shadow: 0 20px 60px rgba(0,0,0,0.3); }

/* ── Footer ── */
.footer {
    background: var(--px-gray-1);
    border-top: 1px solid var(--px-border);
}
.footer .footer-info .footer-avatar {
    box-shadow: 0 0 0 4px var(--px-theme), 0 8px 24px rgba(0,0,0,0.15);
    transition: transform 0.35s;
}
.footer .footer-info .footer-avatar:hover { transform: scale(1.06); }
.footer .social-link a {
    transition: transform 0.25s ease, background 0.25s, box-shadow 0.25s;
    border-radius: 12px;
}
.footer .social-link a:hover {
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

/* ── Stat Counter ── */
.a-count .count {
    background: linear-gradient(135deg, var(--bs-heading-color), var(--px-theme-text));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

/* ── Mobile Header ── */
.main-header {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background-color: color-mix(in srgb, var(--px-gray-1) 90%, transparent);
}

/* ── Smooth section transitions ── */
.section { transition: opacity 0.3s; }

/* ── Owl Carousel dots ── */
.owl-dots .owl-dot span {
    background: var(--px-border) !important;
    transition: background 0.3s, transform 0.3s !important;
}
.owl-dots .owl-dot.active span {
    background: var(--px-theme-text) !important;
    transform: scale(1.3);
}

/* ── General link hover ── */
a { transition: color 0.25s ease; }

/* ── AOS custom config override ── */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }

/* ── Form Validation ── */
.contact-form .form-control.is-valid {
    border-color: #22c55e !important;
    box-shadow: 0 0 0 3px rgba(34,197,94,0.12) !important;
}
.contact-form .form-control.is-invalid {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239,68,68,0.12) !important;
}
.contact-form .invalid-feedback {
    font-size: 12px;
    font-weight: 500;
    margin-top: 4px;
    color: #ef4444;
}
.contact-form .valid-feedback {
    font-size: 12px;
    font-weight: 500;
    margin-top: 4px;
    color: #22c55e;
}
#submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}
#submit-btn .btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* ── Image Skeleton Loading ── */
.img-skeleton {
    position: relative;
    overflow: hidden;
    background: var(--px-gray-2);
}
.img-skeleton::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, var(--px-gray-3) 50%, transparent 100%);
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    z-index: 1;
}
.img-skeleton.loaded::before {
    display: none;
}
@keyframes skeleton-shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ── Parallax Hero ── */
.home-section .home-image {
    transition: transform 0.15s ease-out;
}
.home-section .home-intro {
    transition: transform 0.15s ease-out;
}

/* ── Smooth Scroll ── */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* ── Counter Animation ── */
.a-count .count {
    font-variant-numeric: tabular-nums;
}
.a-count .count-suffix {
    font-size: 0.5em;
    font-weight: 600;
    opacity: 0.7;
    vertical-align: super;
}

/* ── Prefers Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .home-section .home-image img { animation: none !important; }
    .hero-scroll-indicator .scroll-ring { animation: none !important; }
    .preloader-spinner { animation: none !important; }
    #preloader { display: none !important; }
    [data-aos] {
        opacity: 1 !important;
        transform: none !important;
    }
}