/* ===== CSS Variables ===== */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4338ca;
    --secondary-color: #f97316;
    --secondary-dark: #ea580c;
    --accent-color: #22d3ee;
    --accent-bright: #a855f7;
    --text-color: #0f172a;
    --text-light: #475569;
    --bg-color: #f8fafc;
    --bg-light: #ffffff;
    --border-color: rgba(15, 23, 42, 0.08);
    --gradient-hero: linear-gradient(135deg, #6366f1 0%, #8b5cf6 30%, #f97316 100%);
    --gradient-section: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(34, 211, 238, 0.12) 100%);
    --gradient-card: linear-gradient(145deg, rgba(99, 102, 241, 0.15) 0%, rgba(56, 189, 248, 0.15) 100%);
    --gradient-surface: linear-gradient(135deg, #fff 0%, #fdf2f8 100%);
    --shadow: 0 15px 35px -15px rgba(79, 70, 229, 0.45);
    --shadow-lg: 0 25px 60px -20px rgba(79, 70, 229, 0.45);
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-dark);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(248, 250, 252, 0.92);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.nav__logo:hover {
    color: var(--secondary-color);
}

.nav__logo-img {
    height: 2.5rem;
    width: auto;
    object-fit: contain;
    display: block;
}

.nav__logo-text {
    display: inline-block;
}

.nav__list {
    display: flex;
    column-gap: 2rem;
    list-style: none;
}

.nav__link {
    color: rgba(15, 23, 42, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--primary-color);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__link.active {
    color: var(--primary-color);
}

.nav__toggle,
.nav__close {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-color);
}

.nav__toggle {
    flex-direction: column;
    gap: 4px;
}

.nav__toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    transition: var(--transition);
}

/*  Hero Section  */
.hero {
    padding-top: 8rem;
    padding-bottom: 5rem;
    background: var(--gradient-hero);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.35) 0%, rgba(59, 7, 100, 0.35) 60%, rgba(180, 83, 9, 0.35) 100%);
}

.hero__container {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero__name {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #f8fafc;
    line-height: 1.2;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #f8fafc;
    line-height: 1.2;
}

.hero__subtitle {
    font-size: 1.5rem;
    color: rgba(226, 232, 240, 0.85);
    margin-bottom: 1rem;
    font-weight: 400;
}

.hero__description {
    font-size: 1.125rem;
    color: rgba(226, 232, 240, 0.75);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/*  Buttons  */
.button {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.button--primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    box-shadow: 0 15px 30px -15px rgba(99, 102, 241, 0.6);
}

.button--primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
    transform: translateY(-2px) scale(1.01);
    box-shadow: var(--shadow-lg);
}

/*  About Section  */
.about {
    background: var(--gradient-section);
}

.about__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about__text {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.about__image {
    position: relative;
    width: 100%;
    min-height: 300px;
}

.about__profile-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--border-color);
    transition: var(--transition);
    display: block;
    height: auto;
}

.about__profile-img:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.about__image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background-color: var(--bg-light);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.25rem;
    border: 2px dashed var(--border-color);
}

/* Skills Section */
.skills {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.08) 0%, rgba(14, 165, 233, 0.08) 100%);
}

.skills__container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.skills__category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
    text-align: center;
}

.skills__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.skill__card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(224, 231, 255, 0.95) 100%);
    padding: 2rem 1.5rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(99, 102, 241, 0.18);
}

.skill__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.35);
}

.skill__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: var(--gradient-card);
    color: white;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.25rem;
    padding: 0.5rem;
    border: none;
    box-shadow: 0 10px 25px -15px rgba(79, 70, 229, 0.6);
}

.skill__logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 0.5rem;
}

.skill__name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
}

/*  Certifications Section  */
.certifications {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08) 0%, rgba(59, 130, 246, 0.08) 100%);
}

.certifications__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.certification__card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(236, 253, 245, 0.97) 100%);
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(34, 197, 94, 0.18);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.certification__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(34, 197, 94, 0.35);
}

.certification__icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.85), rgba(56, 189, 248, 0.85));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
    box-shadow: 0 12px 30px -18px rgba(16, 185, 129, 0.7);
    padding: 0.75rem;
    border: none;
}

.certification__logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 0.5rem;
}

.certification__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
    line-height: 1.3;
}

.certification__description {
    color: rgba(15, 23, 42, 0.7);
    line-height: 1.7;
    font-size: 0.95rem;
}

/*  Experience Section  */
.experience {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(251, 191, 36, 0.08) 100%);
}

.experience__container {
    max-width: 800px;
    margin: 0 auto;
}

.experience__card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(239, 246, 255, 0.97) 100%);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.experience__header {
    margin-bottom: 1rem;
}

.experience__title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.experience__company {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: 500;
}

.experience__duration {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    color: white;
    border-radius: 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.experience__description {
    color: rgba(15, 23, 42, 0.72);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.experience__list {
    list-style: none;
    padding-left: 0;
}

.experience__list li {
    color: var(--text-light);
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.8;
}

.experience__list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/*  Projects Section  */
.projects {
    background: linear-gradient(135deg, rgba(14, 116, 144, 0.08) 0%, rgba(244, 114, 182, 0.08) 100%);
}

/* Project Filters */
.projects__filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.projects__filter-btn {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(236, 233, 254, 0.95) 100%);
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 0.75rem;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    box-shadow: 0 5px 15px -10px rgba(79, 70, 229, 0.4);
}

.projects__filter-btn:hover {
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 8px 20px -10px rgba(79, 70, 229, 0.5);
}

.projects__filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-bright));
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 10px 25px -15px rgba(99, 102, 241, 0.6);
}

.projects__filter-btn.active:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.project__card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(236, 233, 254, 0.97) 100%);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: opacity 0.3s ease, transform 0.3s ease;
    border: 1px solid rgba(99, 102, 241, 0.16);
    opacity: 1;
    transform: translateY(0);
    display: flex;
    flex-direction: column;
}

.project__card.hidden {
    display: none;
}

.project__card.fade-in {
    animation: fadeInUp 0.5s ease-out;
}

.project__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.3);
}

/* Category-specific card styles */
.project__card--design {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(236, 233, 254, 0.97) 100%);
    border-color: rgba(139, 92, 246, 0.2);
}

.project__card--design:hover {
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 25px 60px -20px rgba(139, 92, 246, 0.45);
}

.project__card--design .project__placeholder {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(168, 85, 247, 0.25));
    color: rgba(15, 23, 42, 0.8);
    font-weight: 600;
}

.project__card--web {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(224, 242, 254, 0.97) 100%);
    border-color: rgba(14, 165, 233, 0.2);
}

.project__card--web:hover {
    border-color: rgba(14, 165, 233, 0.4);
    box-shadow: 0 25px 60px -20px rgba(14, 165, 233, 0.45);
}

.project__card--web .project__placeholder {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.25), rgba(56, 189, 248, 0.25));
    color: rgba(15, 23, 42, 0.8);
    font-weight: 600;
}

.project__card--java-swift {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(254, 243, 199, 0.97) 100%);
    border-color: rgba(249, 115, 22, 0.2);
}

.project__card--java-swift:hover {
    border-color: rgba(249, 115, 22, 0.4);
    box-shadow: 0 25px 60px -20px rgba(249, 115, 22, 0.45);
}

.project__card--java-swift .project__placeholder {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.25), rgba(251, 146, 60, 0.25));
    color: rgba(15, 23, 42, 0.8);
    font-weight: 600;
}

.project__card--logo {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(252, 231, 243, 0.97) 100%);
    border-color: rgba(236, 72, 153, 0.2);
}

.project__card--logo:hover {
    border-color: rgba(236, 72, 153, 0.4);
    box-shadow: 0 25px 60px -20px rgba(236, 72, 153, 0.45);
}

.project__card--logo .project__placeholder {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.25), rgba(244, 114, 182, 0.25));
    color: rgba(15, 23, 42, 0.8);
    font-weight: 600;
}

.project__image {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.project__thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
    cursor: pointer;
}

.project__card:hover .project__thumbnail {
    transform: scale(1.05);
}

.project__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(15, 23, 42, 0.7);
    font-size: 1.125rem;
    transition: var(--transition);
}

.project__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.project__tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
    color: var(--primary-dark);
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: var(--transition);
}

.project__tag:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(139, 92, 246, 0.25));
    transform: translateY(-1px);
}

.project__card--design .project__tag {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(168, 85, 247, 0.15));
    border-color: rgba(139, 92, 246, 0.2);
    color: #7c3aed;
}

.project__card--design .project__tag:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(168, 85, 247, 0.25));
}

.project__card--web .project__tag {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(56, 189, 248, 0.15));
    border-color: rgba(14, 165, 233, 0.2);
    color: #0284c7;
}

.project__card--web .project__tag:hover {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.25), rgba(56, 189, 248, 0.25));
}

.project__card--java-swift .project__tag {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(251, 146, 60, 0.15));
    border-color: rgba(249, 115, 22, 0.2);
    color: #ea580c;
}

.project__card--java-swift .project__tag:hover {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.25), rgba(251, 146, 60, 0.25));
}

.project__card--logo .project__tag {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.15), rgba(244, 114, 182, 0.15));
    border-color: rgba(236, 72, 153, 0.2);
    color: #db2777;
}

.project__card--logo .project__tag:hover {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.25), rgba(244, 114, 182, 0.25));
}

.project__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
    transition: var(--transition);
}

.project__title--clickable {
    cursor: pointer;
    color: var(--primary-color);
    position: relative;
}

.project__title--clickable:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

.project__title--clickable::after {
    content: ' →';
    opacity: 0;
    transition: var(--transition);
    display: inline-block;
    margin-left: 0.25rem;
}

.project__title--clickable:hover::after {
    opacity: 1;
    transform: translateX(3px);
}

.project__description {
    color: rgba(15, 23, 42, 0.7);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.project__button {
    display: inline-block;
    padding: 0.625rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-bright));
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    margin-top: auto;
    box-shadow: 0 4px 15px -5px rgba(99, 102, 241, 0.4);
    align-self: flex-start;
}

.project__button:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -5px rgba(99, 102, 241, 0.6);
}

.project__card--web .project__button {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.project__card--web .project__button:hover {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
}

/* Image Gallery Modal  */
.gallery-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-modal.active {
    display: block;
    opacity: 1;
}

.gallery-modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
}

.gallery-modal__content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    z-index: 1;
}

.gallery-modal__close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
    backdrop-filter: blur(10px);
}

.gallery-modal__close:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
}

.gallery-modal__prev,
.gallery-modal__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3.5rem;
    height: 3.5rem;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
    backdrop-filter: blur(10px);
    user-select: none;
}

.gallery-modal__prev:hover,
.gallery-modal__next:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.gallery-modal__prev {
    left: 1.5rem;
}

.gallery-modal__next {
    right: 1.5rem;
}

.gallery-modal__image-container {
    max-width: 90%;
    max-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.gallery-modal__image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 0.5rem;
    box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.gallery-modal__counter {
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1.25rem;
    border-radius: 2rem;
    backdrop-filter: blur(10px);
}

.gallery-modal__thumbnails {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 90%;
    padding: 0 2rem;
}

.gallery-modal__thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 0.5rem;
    cursor: pointer;
    border: 3px solid transparent;
    transition: var(--transition);
    opacity: 0.6;
}

.gallery-modal__thumbnail:hover {
    opacity: 1;
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.gallery-modal__thumbnail.active {
    opacity: 1;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
}

/* Responsive styles for gallery modal */
@media screen and (max-width: 768px) {
    .gallery-modal__content {
        padding: 1rem;
    }

    .gallery-modal__close {
        top: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.5rem;
    }

    .gallery-modal__prev,
    .gallery-modal__next {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 2rem;
    }

    .gallery-modal__prev {
        left: 1rem;
    }

    .gallery-modal__next {
        right: 1rem;
    }

    .gallery-modal__image-container {
        max-height: 60vh;
        margin-bottom: 1.5rem;
    }

    .gallery-modal__image {
        max-height: 60vh;
    }

    .gallery-modal__thumbnails {
        gap: 0.5rem;
    }

    .gallery-modal__thumbnail {
        width: 60px;
        height: 60px;
    }
}

@media screen and (max-width: 480px) {
    .gallery-modal__prev,
    .gallery-modal__next {
        width: 2rem;
        height: 2rem;
        font-size: 1.5rem;
    }

    .gallery-modal__prev {
        left: 0.5rem;
    }

    .gallery-modal__next {
        right: 0.5rem;
    }

    .gallery-modal__image-container {
        max-height: 50vh;
    }

    .gallery-modal__image {
        max-height: 50vh;
    }

    .gallery-modal__thumbnails {
        gap: 0.4rem;
    }

    .gallery-modal__thumbnail {
        width: 50px;
        height: 50px;
    }

    .gallery-modal__counter {
        font-size: 1rem;
        padding: 0.4rem 1rem;
    }
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact__description {
    color: rgba(15, 23, 42, 0.7);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact__details {
    margin-bottom: 2rem;
}

.contact__item {
    margin-bottom: 1rem;
}

.contact__label {
    font-weight: 600;
    color: var(--primary-dark);
    margin-right: 0.5rem;
}

.contact__link {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact__link:hover {
    text-decoration: underline;
}

.contact__social {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact__social-link {
    padding: 0.5rem 1.2rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(236, 233, 254, 0.95));
    color: var(--text-color);
    text-decoration: none;
    border-radius: 0.75rem;
    transition: var(--transition);
    font-weight: 600;
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 10px 25px -20px rgba(79, 70, 229, 0.6);
}

.contact__social-link:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Form Styles */
.contact__form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form__group {
    display: flex;
    flex-direction: column;
}

.form__label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form__input {
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-color);
    color: var(--text-color);
}

.form__input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: rgba(15, 23, 42, 0.92);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__text {
    color: rgba(226, 232, 240, 0.8);
    font-size: 0.875rem;
}

/* Responsive Design */
@media screen and (max-width: 1024px) {
    .section__title {
        font-size: 2rem;
    }

    .hero__name {
        font-size: 3rem;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .about__container,
    .contact__container {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--bg-color);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        z-index: 1001;
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        padding: 5rem 2rem;
        gap: 2rem;
    }

    .nav__toggle,
    .nav__close {
        display: flex;
    }

    .nav__close {
        position: absolute;
        top: 1rem;
        right: 1.5rem;
        font-size: 2rem;
    }

    .hero {
        padding-top: 6rem;
        min-height: auto;
        padding-bottom: 3rem;
        align-items: flex-start;
    }

    .hero__container {
        padding-top: 2rem;
    }

    .hero__name {
        font-size: 2.5rem;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1.25rem;
    }

    .section {
        padding: 3rem 0;
    }

    .section__title {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    .skills__grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .certifications__grid {
        grid-template-columns: 1fr;
    }

    .projects__filters {
        gap: 0.75rem;
        margin-bottom: 2rem;
    }

    .projects__filter-btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.875rem;
    }

    .projects__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .experience__card {
        padding: 1.5rem;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero__name {
        font-size: 2rem;
        padding-top: 2rem;
    }

    .hero__title {
        font-size: 1.75rem;
    }

    .hero__subtitle {
        font-size: 1.125rem;
    }

    .hero__description {
        font-size: 1rem;
    }

    .hero {
        padding-top: 6.5rem;
        padding-bottom: 2.5rem;
        align-items: flex-start;
    }

    .hero__container {
        padding-top: 1rem;
    }

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

    .skill__card {
        padding: 1.5rem 1rem;
    }

    .certification__card {
        padding: 2rem 1.5rem;
    }

    .certification__icon {
        width: 70px;
        height: 70px;
        font-size: 1rem;
    }

    .projects__filters {
        gap: 0.5rem;
        margin-bottom: 1.5rem;
    }

    .projects__filter-btn {
        padding: 0.55rem 1rem;
        font-size: 0.8rem;
    }

    .project__card {
        margin-bottom: 0;
    }

    .project__content {
        padding: 1.25rem;
    }

    .project__tags {
        gap: 0.4rem;
        margin-bottom: 0.65rem;
    }

    .project__tag {
        padding: 0.3rem 0.65rem;
        font-size: 0.7rem;
    }
}

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

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}