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

@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;
    }
    .particles,
    .floating-elements,
    .scroll-indicator {
        display: none !important;
    }
    .cert-carousel-track,
    .skills-carousel-track {
        animation: none !important;
    }
    .cert-carousel,
    .skills-carousel {
        -webkit-mask-image: none;
        mask-image: none;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .cert-carousel-track,
    .skills-carousel-track {
        display: grid !important;
        grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)) !important;
        gap: clamp(1rem, 2vw, 1.5rem) !important;
        width: 100% !important;
    }
    .cert-carousel .cert-card,
    .skills-carousel .skill-card {
        flex: unset !important;
        width: auto !important;
        min-width: unset !important;
    }
}

:root {
    --primary: #ec4899;
    --primary-dark: #db2777;
    --primary-light: #f472b6;
    --secondary: #8b5cf6;
    --dark: #1e1e2e;
    --dark-light: #2d2d44;
    --light: #fdf2f8;
    --gray: #334155;
    --gradient-pink: linear-gradient(135deg, #ff6b6b 0%, #feca57 50%, #ff9ff3 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);

    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.85rem);
    --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.95rem);
    --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1.05rem);
    --text-lg: clamp(1rem, 0.9rem + 0.5vw, 1.2rem);
    --text-xl: clamp(1.1rem, 1rem + 0.5vw, 1.4rem);
    --text-2xl: clamp(1.4rem, 1.1rem + 1vw, 1.8rem);
    --text-3xl: clamp(1.6rem, 1.2rem + 1.5vw, 2.2rem);
    --text-4xl: clamp(1.8rem, 1.3rem + 2vw, 2.8rem);
    --text-5xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
    --text-6xl: clamp(2rem, 1.5rem + 3vw, 4.5rem);

    --space-xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.5rem);
    --space-sm: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
    --space-md: clamp(0.75rem, 0.6rem + 0.75vw, 1.25rem);
    --space-lg: clamp(1rem, 0.8rem + 1vw, 2rem);
    --space-xl: clamp(1.5rem, 1.2rem + 1.5vw, 3rem);
    --space-2xl: clamp(2rem, 1.5rem + 2.5vw, 4rem);
    --space-3xl: clamp(3rem, 2rem + 4vw, 6rem);

    --container-max: min(90vw, 1200px);
    --container-padding: clamp(1rem, 2vw, 2.5rem);
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Poppins', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--dark);
    background: linear-gradient(135deg, #fdf2f8 0%, #f3f0ff 55%, #eef2ff 100%);
    overflow-x: hidden;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* ========================================
   CONTAINER SYSTEM
   ======================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

@media (min-width: 1400px) {
    :root {
        --container-max: min(85vw, 1320px);
    }
}

@media (min-width: 1920px) {
    :root {
        --container-max: min(75vw, 1600px);
    }
}

@media (min-width: 2560px) {
    :root {
        --container-max: min(65vw, 1800px);
    }
}

/* ========================================
   SECTION STYLES
   ======================================== */
section {
    padding: var(--space-3xl) 0;
    width: 100%;
    overflow-x: hidden;
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-2xl);
    position: relative;
    color: var(--dark);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: clamp(50px, 8vw, 80px);
    height: 4px;
    background: var(--gradient-pink);
    border-radius: 2px;
    box-shadow: 0 0 15px rgba(236, 72, 153, 0.5);
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: 10000;
    padding: 1rem 2rem;
    background: var(--primary);
    color: white;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 8px 0;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: none;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: clamp(0.6rem, 1.5vw, 1rem);
    padding-bottom: clamp(0.6rem, 1.5vw, 1rem);
}

.logo {
    font-size: clamp(1.25rem, 2.5vw, 1.8rem);
    font-weight: 700;
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    position: relative;
    flex-shrink: 0;
    white-space: nowrap;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-pink);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.logo:hover::after {
    transform: scaleX(1);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: clamp(0.75rem, 1.5vw, 1.5rem);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: clamp(0.8rem, 0.85vw, 0.95rem);
    position: relative;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-pink);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: clamp(1.5rem, 3vw, 1.875rem);
    height: clamp(1.25rem, 2.5vw, 1.5rem);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
}

.hamburger:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--gradient-pink);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
    opacity: 1;
    display: block;
    pointer-events: auto;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, transparent 70%);
    animation: float 20s infinite ease-in-out;
}

.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: clamp(150px, 25vw, 300px);
    height: clamp(150px, 25vw, 300px);
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    animation: float 15s infinite ease-in-out reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, 50px); }
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(1.5rem, 5vw, 4rem);
    padding: clamp(4rem, 8vw, 7rem) var(--container-padding);
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
}

.hero-text {
    flex: 1;
    min-width: 0;
}

.greeting {
    font-size: var(--text-lg);
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    animation: fadeInUp 0.8s ease;
}

.name {
    font-size: var(--text-6xl);
    font-weight: 700;
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    animation: fadeInUp 0.8s ease 0.2s both;
    line-height: 1.15;
}

.title {
    font-size: var(--text-3xl);
    color: var(--dark);
    font-weight: 600;
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.8s ease 0.4s both;
}

.tagline {
    font-size: var(--text-base);
    color: var(--gray);
    margin-bottom: var(--space-xl);
}

.typing-cursor {
    display: inline-block;
    width: 2px;
    height: var(--text-base);
    background: var(--primary);
    margin-left: 2px;
    animation: blink 0.7s infinite;
    vertical-align: middle;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

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

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    min-width: 0;
}

.profile-image-container {
    position: relative;
    z-index: 2;
}

.profile-image {
    width: clamp(160px, 25vw, 300px);
    height: clamp(160px, 25vw, 300px);
    border-radius: 50%;
    overflow: hidden;
    border: clamp(3px, 0.5vw, 5px) solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--gradient-pink) border-box;
    box-shadow: 0 20px 60px rgba(236, 72, 153, 0.3);
    animation: pulse 4s infinite ease-in-out, float 6s infinite ease-in-out;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-image img[src="assets/images/profile.webp"] {
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    top: 0;
    left: 0;
}

.float-item {
    position: absolute;
    font-size: clamp(1.2rem, 2.5vw, 2rem);
    animation: floatItem 6s infinite ease-in-out;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.2));
}

.item-1 { top: 10%; left: 10%; animation-delay: 0s; }
.item-2 { top: 20%; right: 10%; animation-delay: 1s; }
.item-3 { bottom: 20%; left: 15%; animation-delay: 2s; }
.item-4 { bottom: 10%; right: 15%; animation-delay: 3s; }

@keyframes floatItem {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.scroll-indicator {
    position: absolute;
    bottom: clamp(1rem, 3vw, 2rem);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 2s infinite;
    z-index: 1;
}

.scroll-indicator span {
    width: clamp(18px, 2.5vw, 24px);
    height: clamp(28px, 4vw, 40px);
    border: 2px solid var(--primary);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 6px;
    height: 12px;
    background: var(--primary);
    border-radius: 3px;
    transform: translateX(-50%);
    animation: scrollDown 2s infinite;
    box-shadow: 0 0 10px var(--primary);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes scrollDown {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: clamp(0.6rem, 1.5vw, 0.9rem) clamp(1rem, 2.5vw, 1.75rem);
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    font-size: var(--text-sm);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-pink);
    color: white;
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.4);
}

@media (hover: hover) and (pointer: fine) {
    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 40px rgba(236, 72, 153, 0.5);
    }

    .btn-primary:active {
        transform: translateY(-1px);
    }

    .btn-secondary:hover {
        background: var(--dark);
        color: white;
        transform: translateY(-3px);
    }

    .btn-social:hover {
        background: var(--primary);
        color: white;
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(236, 72, 153, 0.4);
    }
}

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

.btn-social {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    padding: var(--space-3xl) 0;
    background: transparent;
    width: 100%;
    overflow-x: hidden;
}

.about-content {
    display: flex;
    gap: var(--space-2xl);
    align-items: center;
}

.about-text {
    flex: 2;
    min-width: 0;
}

.about-text p {
    font-size: var(--text-base);
    color: var(--gray);
    margin-bottom: var(--space-lg);
}

.about-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
}

.about-stats {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    min-width: 0;
}

.stat {
    text-align: center;
    padding: clamp(1rem, 2.5vw, 1.5rem);
    background: linear-gradient(135deg, #fff 0%, #fdf2f8 100%);
    border-radius: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
    .stat:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(236, 72, 153, 0.2);
        border-color: var(--primary-light);
    }

    .stat:active {
        transform: scale(0.97) translateY(-2px);
        box-shadow: 0 5px 20px rgba(236, 72, 153, 0.4);
        background: linear-gradient(135deg, #fff 0%, #fce7f3 100%);
    }
}

.stat-number {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--gray);
    font-weight: 500;
}

/* ========================================
   EDUCATION SECTION
   ======================================== */
.education {
    padding: var(--space-3xl) 0;
    background: transparent;
    width: 100%;
    overflow-x: hidden;
}

.education-timeline {
    max-width: min(800px, 100%);
    margin: 0 auto;
    position: relative;
    --timeline-padding: clamp(2rem, 4vw, 2.5rem);
    --timeline-line-offset: clamp(0.75rem, 1.5vw, 1.125rem);
    padding-left: var(--timeline-padding);
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: var(--timeline-line-offset);
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 3px;
}

.education-item {
    position: relative;
    margin-bottom: clamp(1.25rem, 2.5vw, 1.875rem);
}

.education-item:last-child {
    margin-bottom: 0;
}

.education-marker {
    position: absolute;
    left: calc(var(--timeline-line-offset) + 2.5px - var(--timeline-padding));
    transform: translateX(-50%);
    top: clamp(1.5rem, 2.5vw, 2rem);
    width: clamp(1.125rem, 2vw, 1.5rem);
    height: clamp(1.125rem, 2vw, 1.5rem);
    background: var(--gradient-pink);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.5);
    z-index: 2;
    border: 3px solid white;
}

.education-card {
    display: block;
    padding: clamp(0.75rem, 2vw, 1.25rem);
    background: linear-gradient(135deg, #fff 0%, #fdf2f8 100%);
    border-radius: 20px;
    border-left: 5px solid var(--primary);
    box-shadow: 0 10px 40px rgba(236, 72, 153, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
    .education-card:hover {
        transform: translateX(10px);
        box-shadow: 0 15px 50px rgba(236, 72, 153, 0.2);
    }

    .education-card:active {
        transform: scale(0.97) translateX(5px);
        box-shadow: 0 5px 25px rgba(236, 72, 153, 0.4);
        background: linear-gradient(135deg, #fff 0%, #fce7f3 100%);
    }
}

.education-content h3 {
    font-size: clamp(1rem, 1.8vw, 1.4rem);
    color: var(--dark);
    margin-bottom: var(--space-xs);
}

.education-content .institution {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.education-content .duration {
    font-size: var(--text-sm);
    color: var(--gray);
    margin-bottom: var(--space-sm);
}

.education-content .description {
    font-size: var(--text-sm);
    color: var(--gray);
    line-height: 1.8;
}

/* ========================================
   CERTIFICATIONS SECTION
   ======================================== */
.certifications {
    padding: var(--space-3xl) 0;
    background: transparent;
    width: 100%;
    overflow-x: hidden;
}

/* ========================================
   CERTIFICATIONS CAROUSEL
   ======================================== */
.cert-carousel {
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    position: relative;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    padding: clamp(1rem, 2vw, 1.5rem) 0;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
}

.cert-carousel::-webkit-scrollbar {
    display: none;
}

.cert-carousel-track {
    display: flex;
    gap: clamp(1rem, 2vw, 1.5rem);
    width: max-content;
    will-change: transform;
}

.cert-carousel .cert-card {
    flex: 0 0 auto;
    width: clamp(260px, 22vw, 320px);
    min-width: 260px;
}

.cert-card {
     padding: clamp(0.75rem, 2vw, 1.5rem);
     background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
     border-radius: 15px;
     text-align: center;
     transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
     position: relative;
     overflow: hidden;
     text-decoration: none;
     color: inherit;
     display: block;
     touch-action: manipulation;
     -webkit-tap-highlight-color: transparent;
 }

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-pink);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

@media (hover: hover) and (pointer: fine) {
    .cert-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(236, 72, 153, 0.25);
    }

    .cert-card:active {
        transform: translateY(-2px) scale(0.98);
        box-shadow: 0 5px 25px rgba(236, 72, 153, 0.4);
        background: linear-gradient(135deg, #fff 0%, #fce7f3 100%);
    }

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

.cert-icon {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: clamp(3.5rem, 5vw, 4rem);
}

.cert-logo {
    width: clamp(5rem, 8vw, 7rem);
    height: clamp(1.8rem, 2.5vw, 2.5rem);
    object-fit: contain;
    display: block;
    margin: 0 auto;
    padding: 6px 10px;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-logo-white-bg {
    mix-blend-mode: multiply;
}

.cert-card:hover .cert-logo {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.cert-card h3 {
     font-size: clamp(0.85rem, 1.2vw, 1rem);
     color: var(--dark);
     margin-bottom: var(--space-xs);
 }

.cert-card p {
    font-size: var(--text-sm);
    color: var(--gray);
    margin-bottom: var(--space-xs);
}

.cert-year {
    display: inline-block;
    padding: 5px clamp(0.75rem, 1.5vw, 0.9375rem);
    background: var(--gradient-pink);
    color: white;
    border-radius: 20px;
    font-size: var(--text-xs);
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(236, 72, 153, 0.4);
    margin-bottom: var(--space-sm);
}

.cert-link {
    display: block;
    color: var(--primary);
    font-size: var(--text-xs);
    font-weight: 600;
    margin-top: var(--space-sm);
    text-decoration: none;
    transition: color 0.3s ease;
}

.cert-link i {
    margin-right: 4px;
}

.cert-card:hover .cert-link {
    color: var(--primary-dark);
}

/* ========================================
   SKILLS SECTION
   ======================================== */
.skills {
    padding: var(--space-3xl) 0;
    background: transparent;
    width: 100%;
    overflow-x: hidden;
}

.skills .section-title {
    color: var(--dark);
}

.skills-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.skills-category {
    min-width: 0;
}

.skills-category h3 {
    font-size: clamp(1.1rem, 1.5vw, 1.3rem);
    color: var(--dark);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.skills-category h3 i {
    color: var(--primary);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.strength-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.75rem, 1.5vw, 1rem) clamp(0.875rem, 1.5vw, 1.25rem);
    background: rgba(236, 72, 153, 0.08);
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    gap: var(--space-md);
    color: var(--dark);
    font-weight: 600;
    font-size: var(--text-sm);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
    .strength-item:hover {
        background: rgba(236, 72, 153, 0.15);
        transform: translateX(5px);
    }
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skill-tag {
    padding: clamp(0.4rem, 1vw, 0.625rem) clamp(0.75rem, 1.5vw, 1.25rem);
    background: rgba(236, 72, 153, 0.15);
    border: 1px solid rgba(236, 72, 153, 0.35);
    border-radius: 25px;
    color: var(--dark);
    font-weight: 500;
    font-size: var(--text-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (hover: hover) and (pointer: fine) {
    .skill-tag:hover {
        background: var(--primary);
        color: white;
        transform: scale(1.05);
        box-shadow: 0 5px 20px rgba(236, 72, 153, 0.4);
    }
}

.language-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.language-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.75rem, 1.5vw, 1rem) clamp(0.875rem, 1.5vw, 1.25rem);
    background: rgba(236, 72, 153, 0.08);
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    gap: var(--space-md);
}

@media (hover: hover) and (pointer: fine) {
    .language-item:hover {
        background: rgba(236, 72, 153, 0.15);
        transform: translateX(5px);
    }
}

.lang-name {
    color: var(--dark);
    font-weight: 600;
    font-size: var(--text-sm);
}

.lang-level {
    color: var(--primary);
    font-size: var(--text-xs);
    font-weight: 600;
    flex-shrink: 0;
}

/* ========================================
   PROJECTS SECTION
   ======================================== */
.projects {
    padding: var(--space-3xl) 0;
    background: transparent;
    width: 100%;
    overflow-x: hidden;
}

.projects-carousel {
    width: 100%;
    position: relative;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
    gap: clamp(1.25rem, 2.5vw, 1.875rem);
}

/* Mobile: projects carousel (≤768px) */
@media (max-width: 768px) {
    .projects-carousel {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        scroll-behavior: smooth;
        padding: clamp(0.5rem, 2vw, 1rem) 0;
        scrollbar-width: none;
    }
    .projects-carousel::-webkit-scrollbar {
        display: none;
    }
    .projects-carousel .projects-grid {
        display: flex !important;
        gap: clamp(1rem, 2vw, 1.5rem);
        width: 100%;
        grid-template-columns: unset !important;
    }
    .projects-carousel .project-card {
        flex: 0 0 100%;
        max-width: 100%;
        min-width: 0;
        scroll-snap-align: center;
    }
    .projects-carousel .project-card:first-child {
        scroll-snap-align: start;
    }
    .projects-carousel .project-card:last-child {
        scroll-snap-align: end;
    }
}

.project-card {
    display: block;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: inherit;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
    .project-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 50px rgba(236, 72, 153, 0.2);
    }

    .project-card:active {
        transform: scale(0.97) translateY(-5px);
        box-shadow: 0 5px 25px rgba(236, 72, 153, 0.4);
    }
}

.project-image {
    height: clamp(140px, 20vw, 200px);
    /* No pink container body - transparent so only the curved screenshot shows */
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-screenshot {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    z-index: 1;
    transition: transform 0.4s ease, filter 0.4s ease;
}

@media (hover: hover) and (pointer: fine) {
    .project-card:hover .project-screenshot {
        transform: scale(1.05);
        filter: blur(2px);
    }
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    background: rgba(15, 18, 26, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

@media (hover: hover) and (pointer: fine) {
    .project-card:hover .project-overlay {
        opacity: 1;
    }
}

@media (hover: none), (pointer: coarse) {
    .project-overlay {
        opacity: 0;
        background: rgba(15, 18, 26, 0.45);
        transition: opacity 0.3s ease;
    }
}

.project-card.touched .project-overlay {
    opacity: 1;
}

.project-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #111827;
    font-size: 1.3rem;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
    transition: transform 0.3s ease, background 0.2s ease;
}

.project-card:hover .project-link {
    transform: scale(1.08);
}

.project-content {
    padding: clamp(1rem, 2vw, 1.5rem);
}

.project-content h3 {
    font-size: clamp(1.1rem, 1.5vw, 1.3rem);
    color: var(--dark);
    margin-bottom: var(--space-sm);
}

.project-content p {
     color: var(--gray);
     font-size: clamp(0.75rem, 0.65rem + 0.25vw, 0.85rem);
     margin-bottom: var(--space-md);
 }

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    padding: 5px clamp(0.5rem, 1vw, 0.75rem);
    background: rgba(236, 72, 153, 0.1);
    color: var(--primary);
    border-radius: 15px;
    font-size: var(--text-xs);
    font-weight: 600;
}

.project-github-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: var(--text-sm);
    margin-top: var(--space-md);
    transition: all 0.3s ease;
}

.project-github-link i {
    font-size: 1.2rem;
}

/* ========================================
   EXPERIENCE SECTION
   ======================================== */
.experience {
    padding: var(--space-3xl) 0;
    background: transparent;
    width: 100%;
    overflow-x: hidden;
}

.experience-timeline {
    max-width: min(800px, 100%);
    margin: 0 auto;
    position: relative;
    --timeline-padding: clamp(2rem, 4vw, 2.5rem);
    --timeline-line-offset: clamp(0.75rem, 1.5vw, 1.125rem);
    padding-left: var(--timeline-padding);
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: var(--timeline-line-offset);
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 3px;
}

.experience-item {
    position: relative;
    margin-bottom: clamp(1.25rem, 2.5vw, 1.875rem);
}

.experience-item:last-child {
    margin-bottom: 0;
}

.experience-marker {
    position: absolute;
    left: calc(var(--timeline-line-offset) + 2.5px - var(--timeline-padding));
    transform: translateX(-50%);
    top: clamp(1.5rem, 2.5vw, 2rem);
    width: clamp(1.125rem, 2vw, 1.5rem);
    height: clamp(1.125rem, 2vw, 1.5rem);
    background: var(--gradient-pink);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.5);
    z-index: 2;
    border: 3px solid white;
}

.experience-card {
    display: block;
    padding: clamp(0.75rem, 2vw, 1.25rem);
    background: linear-gradient(135deg, #fff 0%, #fdf2f8 100%);
    border-radius: 20px;
    border-left: 5px solid var(--primary);
    box-shadow: 0 10px 40px rgba(236, 72, 153, 0.1);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
    .experience-card:hover {
        transform: translateX(10px);
        box-shadow: 0 15px 50px rgba(236, 72, 153, 0.2);
    }

    .experience-card:active {
        transform: scale(0.97) translateX(5px);
        box-shadow: 0 5px 25px rgba(236, 72, 153, 0.4);
        background: linear-gradient(135deg, #fff 0%, #fce7f3 100%);
    }
}

.experience-content h3 {
    font-size: clamp(1rem, 1.8vw, 1.4rem);
    color: var(--dark);
    margin-bottom: var(--space-xs);
}

.experience-content .institution {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.experience-content .duration {
    font-size: var(--text-sm);
    color: var(--gray);
    margin-bottom: var(--space-sm);
}

.experience-content .description {
    font-size: var(--text-sm);
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.experience-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-sm);
    transition: all 0.3s ease;
}

.experience-link:hover {
    color: var(--primary-dark);
}

.experience-link i {
    font-size: 1.1rem;
}

/* ========================================
   TECHNICAL SKILLS CAROUSEL
   ======================================== */
.technical-skills {
    padding: var(--space-3xl) 0;
    background: transparent;
    width: 100%;
    overflow-x: hidden;
}

.skills-carousel {
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    min-height: 220px;
    position: relative;
    padding: clamp(1rem, 2vw, 1.5rem) 0;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
}

.skills-carousel::-webkit-scrollbar {
    display: none;
}

.cert-carousel:active,
.skills-carousel:active {
    cursor: grabbing;
}

.skills-carousel-track {
    display: flex;
    gap: clamp(1rem, 2vw, 1.5rem);
    width: max-content;
    will-change: transform;
}

/* Carousel position dots - small & screen-adapted */
.carousel-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: clamp(0.5rem, 1vw, 0.875rem);
    flex-wrap: wrap;
    padding: 0 4px;
}
.carousel-dot {
    width: clamp(7px, 1.4vw, 9px);
    height: clamp(7px, 1.4vw, 9px);
    border-radius: 50%;
    border: none;
    background: #d1d5db;
    padding: 0;
    cursor: pointer;
    transition: transform 0.25s ease, background 0.25s ease, width 0.25s ease;
}
.carousel-dot:hover {
    background: var(--primary);
}
.carousel-dot.active {
    background: var(--primary);
    transform: scale(1.2);
    width: clamp(16px, 2.4vw, 20px);
    border-radius: 6px;
}

@media (max-width: 480px) {
    .carousel-dot {
        width: 6px;
        height: 6px;
        gap: 5px;
    }
    .carousel-dots {
        gap: 5px;
    }
    .carousel-dot.active {
        width: 14px;
    }
}

.skill-card {
    flex: 0 0 auto;
    width: clamp(160px, 22vw, 280px);
    min-width: 160px;
    height: auto;
    min-height: 180px;
    padding: clamp(1rem, 2.5vw, 1.75rem);
    background: linear-gradient(135deg, #fff 0%, #f5f3ff 100%);
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.4rem, 1vw, 0.75rem);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-purple);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

@media (hover: hover) and (pointer: fine) {
    .skill-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(139, 92, 246, 0.25);
    }

    .skill-card:active {
        transform: translateY(-2px) scale(0.98);
        box-shadow: 0 5px 25px rgba(139, 92, 246, 0.4);
        background: linear-gradient(135deg, #fff 0%, #ede7f6 100%);
    }

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

    .skill-card:hover .skill-card-icon {
        transform: scale(1.1);
    }
}

.skill-card-icon {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    line-height: 1;
    position: relative;
    z-index: 1;
    color: var(--secondary);
    transition: color 0.3s ease, transform 0.3s ease;
}

.skill-card:hover .skill-card-icon {
    transform: scale(1.1);
}

.skill-card h3 {
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    color: var(--dark);
    font-weight: 700;
    position: relative;
    z-index: 1;
    margin-bottom: var(--space-xs);
}

.skill-card p {
    font-size: var(--text-xs);
    color: var(--gray);
    line-height: 1.4;
    position: relative;
    z-index: 1;
    margin: 0;
}

.contact {
    padding: var(--space-3xl) 0;
    background: transparent;
    width: 100%;
    overflow-x: hidden;
}

.contact .section-title {
    color: var(--dark);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2vw, 1.5rem);
    max-width: min(500px, 100%);
    margin: 0 auto;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: clamp(1.25rem, 2.5vw, 1.75rem);
    background: white;
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-decoration: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    border: 2px solid rgba(236, 72, 153, 0.15);
    box-shadow: 0 8px 30px rgba(236, 72, 153, 0.12);
}

@media (hover: hover) and (pointer: fine) {
    .contact-item:hover {
        background: white;
        transform: translateX(10px);
        box-shadow: 0 12px 40px rgba(236, 72, 153, 0.25);
        border-color: var(--primary-light);
    }

    .contact-item:active {
        transform: scale(0.97) translateX(5px);
        background: #fce7f3;
        box-shadow: 0 4px 20px rgba(236, 72, 153, 0.3);
    }
}

.contact-icon {
    font-size: var(--text-lg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(2.5rem, 4vw, 2.8125rem);
    height: clamp(2.5rem, 4vw, 2.8125rem);
    background: rgba(236, 72, 153, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.contact-item h3 {
    color: var(--dark);
    font-size: clamp(1rem, 1.2vw, 1.1rem);
    font-weight: 600;
    margin-bottom: 3px;
}

.contact-item p {
    color: var(--gray);
    font-size: var(--text-sm);
    margin: 0;
    word-break: break-word;
}

.back-to-top {
    position: fixed;
    bottom: clamp(3.5rem, 5vw, 4.5rem);
    right: clamp(1rem, 2vw, 2rem);
    width: clamp(2.5rem, 4vw, 3.125rem);
    height: clamp(2.5rem, 4vw, 3.125rem);
    background: var(--gradient-pink);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(236, 72, 153, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.5);
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: rise 15s infinite ease-in;
}

@keyframes rise {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

.footer {
    padding: clamp(1.5rem, 3vw, 2.5rem) 0 clamp(1.25rem, 2.5vw, 2rem);
    background: linear-gradient(135deg, #c7d2fe 0%, #f9a8d4 100%);
    text-align: center;
    width: 100%;
    overflow-x: hidden;
}

.footer-content {
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: clamp(1rem, 2vw, 1.5rem);
    margin-bottom: var(--space-lg);
}

.footer-social a {
    width: clamp(2.5rem, 3.5vw, 2.8125rem);
    height: clamp(2.5rem, 3.5vw, 2.8125rem);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(236, 72, 153, 0.12);
    border-radius: 50%;
    color: var(--primary);
    font-size: clamp(1rem, 1.2vw, 1.1rem);
    text-decoration: none;
    transition: all 0.3s ease;
}

@media (hover: hover) and (pointer: fine) {
    .footer-social a:hover {
        background: var(--primary);
        color: white;
        transform: translateY(-3px);
    }
}

.footer p {
    color: var(--dark);
    font-size: var(--text-sm);
    margin-bottom: var(--space-xs);
}

*:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.btn:focus-visible,
a:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

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

/* ========================================
   RESPONSIVE - TABLET LANDSCAPE (1024px)
   ======================================== */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
        gap: var(--space-xl);
    }

    .hero-text {
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content {
        flex-direction: column;
        gap: var(--space-xl);
    }

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .stat {
        flex: 1;
        min-width: 150px;
    }

    .skills-wrapper {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   RESPONSIVE - TABLET PORTRAIT (834px)
   ======================================== */
@media (max-width: 834px) {
    section {
        padding: var(--space-2xl) 0;
    }

    .section-title {
        margin-bottom: var(--space-xl);
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: var(--text-sm);
    }
}

/* ========================================
   RESPONSIVE - MOBILE LARGE (768px)
   ======================================== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        height: 100dvh;
        background: linear-gradient(180deg, #fff 0%, #fdf2f8 100%);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-lg);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.15);
        z-index: 999;
        padding: 80px var(--space-lg);
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
        display: flex;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        font-size: clamp(1rem, 3vw, 1.15rem);
        padding: clamp(0.75rem, 2vw, 0.875rem) var(--space-lg);
        display: block;
        border-radius: 10px;
    }

    .nav-links a:hover {
        background: rgba(236, 72, 153, 0.1);
    }

    .mobile-nav-overlay {
        display: block;
        pointer-events: none;
    }

    .mobile-nav-overlay.active {
        pointer-events: auto;
    }

    .hero-content {
        padding-top: var(--space-3xl);
        gap: var(--space-xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
        width: 100%;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .stat {
        flex: 1 1 calc(50% - var(--space-sm));
        min-width: 140px;
    }

    .cert-carousel .cert-card {
        width: clamp(260px, 80vw, 320px);
        min-width: 260px;
    }

    .skills-wrapper {
        grid-template-columns: 1fr;
    }

    .skill-tags {
        justify-content: center;
    }

    .float-item {
        font-size: 1.5rem;
    }

    .item-1 { top: 5%; left: 5%; }
    .item-2 { top: 15%; right: 5%; }
    .item-3 { bottom: 15%; left: 10%; }
    .item-4 { bottom: 5%; right: 10%; }

    .scroll-indicator {
        bottom: 1rem;
    }
}

/* ========================================
   RESPONSIVE - MOBILE MEDIUM (640px)
   ======================================== */
@media (max-width: 640px) {
    .about-stats {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .stat {
        flex: 1;
        width: 100%;
    }

    .about-buttons {
        flex-direction: column;
    }

    .about-buttons .btn {
        width: 100%;
        max-width: 100%;
    }

    .education-timeline,
    .experience-timeline {
        --timeline-padding: var(--space-xl);
        --timeline-line-offset: 0.75rem;
        padding-left: var(--timeline-padding);
    }

    .education-marker,
    .experience-marker {
        left: calc(var(--timeline-line-offset) + 2.5px - var(--timeline-padding));
        transform: translateX(-50%);
        width: 1rem;
        height: 1rem;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .language-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
}

/* ========================================
   RESPONSIVE - MOBILE SMALL (480px)
   ======================================== */
@media (max-width: 480px) {
    .hero {
        min-height: 100vh;
        min-height: 100dvh;
        padding-top: var(--space-xl);
    }

    .hero-content {
        padding-top: var(--space-2xl);
        gap: var(--space-lg);
    }

    .hero-buttons {
        gap: var(--space-sm);
    }

    .btn {
        max-width: 260px;
        padding: 0.75rem 1.5rem;
    }

    .education-timeline,
    .experience-timeline {
        --timeline-padding: 1.75rem;
        --timeline-line-offset: 0.75rem;
        padding-left: var(--timeline-padding);
    }

    .education-marker,
    .experience-marker {
        left: calc(var(--timeline-line-offset) + 2.5px - var(--timeline-padding));
        transform: translateX(-50%);
        width: 0.875rem;
        height: 0.875rem;
        border-width: 2px;
    }

    .education-timeline::before,
    .experience-timeline::before {
        left: var(--timeline-line-offset);
    }

    .cert-carousel .cert-card {
        width: clamp(240px, 75vw, 280px);
        min-width: 240px;
    }

    .contact-info {
        gap: var(--space-sm);
    }
}

/* ========================================
   RESPONSIVE - EXTRA SMALL MOBILE (360px)
   ======================================== */
@media (max-width: 360px) {
    .logo {
        font-size: 1.1rem;
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: var(--text-xs);
        max-width: 220px;
    }

    .nav-links {
        width: 85%;
        max-width: 260px;
    }

    .nav-links a {
        font-size: 1rem;
        padding: 0.75rem 1rem;
    }

    .cert-card {
        padding: 0.875rem 0.75rem;
    }

    .project-image {
        height: 140px;
    }

    .education-timeline,
    .experience-timeline {
        --timeline-padding: 1.5rem;
        --timeline-line-offset: 0.5rem;
        padding-left: var(--timeline-padding);
    }

    .education-marker,
    .experience-marker {
        left: calc(var(--timeline-line-offset) + 2.5px - var(--timeline-padding));
        transform: translateX(-50%);
        width: 0.75rem;
        height: 0.75rem;
    }

    .education-timeline::before,
    .experience-timeline::before {
        left: var(--timeline-line-offset);
        width: 4px;
    }

    .cert-carousel .cert-card {
        width: clamp(220px, 70vw, 260px);
        min-width: 220px;
    }
}

/* ========================================
   RESPONSIVE - VERY SMALL MOBILE (320px)
   ======================================== */
@media (max-width: 320px) {
    .logo {
        font-size: 1rem;
    }

    .name {
        font-size: 1.5rem;
    }

    .title {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .btn {
        max-width: 200px;
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    .nav-links {
        width: 85%;
        max-width: 240px;
    }

    .nav-links a {
        font-size: 0.9rem;
        padding: 0.625rem 0.875rem;
    }

    .education-timeline,
    .experience-timeline {
        --timeline-padding: 1.25rem;
        --timeline-line-offset: 0.375rem;
        padding-left: var(--timeline-padding);
    }
}

/* ========================================
   RESPONSIVE - LARGE DESKTOP (1400px+)
   ======================================== */
@media (min-width: 1400px) {
    .hero-content {
        gap: var(--space-3xl);
    }

    .hero-buttons {
        gap: var(--space-lg);
    }

    .btn {
        padding: 1rem 2.25rem;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   RESPONSIVE - EXTRA LARGE DESKTOP (1920px+)
   ======================================== */
@media (min-width: 1920px) {
    .hero-content {
        gap: var(--space-3xl);
    }

    .cert-carousel .cert-card {
        width: clamp(300px, 18vw, 360px);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 80%;
        margin: 0 auto;
    }

    .about-content {
        gap: var(--space-3xl);
    }
}

/* ========================================
   RESPONSIVE - 2K / ULTRAWIDE (2560px+)
   ======================================== */
@media (min-width: 2560px) {
    .hero-content {
        max-width: 1800px;
    }

    .education-timeline,
    .experience-timeline {
        max-width: 900px;
    }

    .cert-carousel .cert-card {
        width: clamp(340px, 15vw, 400px);
    }

    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 70%;
    }

    .contact-info {
        max-width: 600px;
    }
}

@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
    }

    .btn:active {
        transform: scale(0.98);
    }

    .nav-links a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

@media print {
    .navbar,
    .hamburger,
    .mobile-nav-overlay,
    .particles,
    .scroll-indicator,
    .floating-elements,
    .back-to-top {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    section {
        page-break-inside: avoid;
        padding: 30px 0;
    }

    .hero {
        min-height: auto;
        padding: 50px 0;
    }

    .profile-image {
        display: none;
    }

    .skills {
        background: white;
        color: black;
    }

    .skills .section-title,
    .skills-category h3 {
        color: black;
    }

    .contact {
        background: white;
        color: black;
    }

    .contact .section-title,
    .contact-item h3,
    .contact-item p {
        color: black;
    }

    .cert-carousel,
    .skills-carousel {
        -webkit-mask-image: none;
        mask-image: none;
        overflow: visible;
    }

    .cert-carousel-track,
    .skills-carousel-track {
        animation: none !important;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
        gap: clamp(1rem, 2vw, 1.5rem);
        width: 100%;
    }

    .cert-carousel .cert-card,
    .skills-carousel .skill-card {
        flex: unset;
        width: auto;
        min-width: unset;
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* No-JS fallback: works in ALL browsers including Safari.
   When JS runs, script.js adds class "js-loaded" to <html>,
   which disables these rules. When JS is disabled, the class
   is never added so fallback styles apply. This replaces the
   old @media (scripting: none) which Safari does not support. */
.no-js .animate-on-scroll,
html:not(.js-loaded) .animate-on-scroll {
    opacity: 1;
    transform: translateY(0);
}

html:not(.js-loaded) .cert-carousel-track,
html:not(.js-loaded) .skills-carousel-track {
    animation: none !important;
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)) !important;
    gap: clamp(1rem, 2vw, 1.5rem) !important;
    width: 100% !important;
}

html:not(.js-loaded) .cert-carousel,
html:not(.js-loaded) .skills-carousel {
    -webkit-mask-image: none;
    mask-image: none;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

html:not(.js-loaded) .cert-carousel .cert-card,
html:not(.js-loaded) .skills-carousel .skill-card {
    flex: unset !important;
    width: auto !important;
    min-width: unset !important;
}

/* No-JS: projects carousel falls back to grid on mobile too */
html:not(.js-loaded) .projects-carousel {
    overflow-x: visible;
    -webkit-mask-image: none;
    mask-image: none;
    padding: 0;
}
html:not(.js-loaded) .projects-carousel .projects-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)) !important;
    gap: clamp(1.25rem, 2.5vw, 1.875rem) !important;
    width: 100% !important;
}
html:not(.js-loaded) .projects-carousel .project-card {
    flex: unset !important;
    width: auto !important;
    min-width: unset !important;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}