/* ==================== VARIABLES & THEMES ==================== */
:root {
    --header-height: 4.5rem;

    /* Color Palette */
    --first-color: #06b6d4;      /* Neon Teal/Cyan */
    --first-color-alt: #0891b2;
    --second-color: #8b5cf6;     /* Neon Purple */
    --second-color-alt: #7c3aed;
    --title-color: #f8fafc;
    --text-color: #94a3b8;
    --text-color-light: #64748b;
    --body-color: #0b0f19;       /* Deep Cosmic Dark */
    --container-color: #131926;  /* Glass Panel Base */
    --border-color: rgba(255, 255, 255, 0.08);
    --input-bg: #1e293b;
    
    /* Grapics & Visuals */
    --gradient-primary: linear-gradient(135deg, var(--first-color) 0%, var(--second-color) 100%);
    --gradient-cv: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-pharmacy: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-crm: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --glass-bg: rgba(19, 25, 38, 0.65);
    --glass-bg-hover: rgba(19, 25, 38, 0.85);
    --shadow: 0 10px 30px -10px rgba(2, 4, 8, 0.5);
    --glow-shadow: 0 0 20px rgba(6, 182, 212, 0.15);

    /* Fonts & Typography */
    --body-font: 'Inter', sans-serif;
    --title-font: 'Outfit', sans-serif;
    --font-normal: 400;
    --font-medium: 500;
    --font-semi-bold: 600;
    --font-bold: 700;
    --font-extra-bold: 800;

    /* Font Sizes (Responsive) */
    --big-font-size: 2.5rem;
    --h1-font-size: 2.25rem;
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: .875rem;
    --smaller-font-size: .813rem;

    /* Transition */
    --transition: all .35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
    --body-color: #f8fafc;       /* Ice Blue/Slate Light */
    --container-color: #ffffff;  /* White */
    --title-color: #0f172a;      /* Charcoal */
    --text-color: #475569;       /* Slate-600 */
    --text-color-light: #64748b;
    --border-color: rgba(15, 23, 42, 0.08);
    --input-bg: #f1f5f9;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-hover: rgba(255, 255, 255, 0.9);
    --shadow: 0 10px 30px -15px rgba(15, 23, 42, 0.08);
    --glow-shadow: 0 0 20px rgba(6, 182, 212, 0.08);
}

@media screen and (min-width: 968px) {
    :root {
        --big-font-size: 3.75rem;
        --h1-font-size: 3rem;
        --h2-font-size: 2.25rem;
        --h3-font-size: 1.5rem;
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
        --smaller-font-size: .813rem;
    }
}

/* ==================== BASE STYLES ==================== */
* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
    transition: var(--transition);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    color: var(--title-color);
    font-family: var(--title-font);
    font-weight: var(--font-semi-bold);
    line-height: 1.25;
}

ul {
    list-style: none;
}

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

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

button, input, textarea {
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

/* ==================== LAYOUT & REUSABLE ==================== */
.container {
    max-width: 1140px;
    margin-left: 1.5rem;
    margin-right: 1.5rem;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.section {
    padding: 6.5rem 0 2rem;
}

.section-title {
    text-align: center;
    font-size: var(--h2-font-size);
    font-weight: var(--font-bold);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    display: block;
    text-align: center;
    font-size: var(--small-font-size);
    color: var(--first-color);
    font-weight: var(--font-medium);
    margin-bottom: 3.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--first-color-alt);
}

/* ==================== AMBIENT GLOW BLOBS ==================== */
.glow-bg-1, .glow-bg-2 {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -10;
    pointer-events: none;
    opacity: 0.15;
    transition: var(--transition);
}

.glow-bg-1 {
    background: var(--first-color);
    top: 10%;
    left: -10%;
    animation: floatBlob1 15s infinite alternate;
}

.glow-bg-2 {
    background: var(--second-color);
    top: 50%;
    right: -10%;
    animation: floatBlob2 15s infinite alternate;
}

body.light-theme .glow-bg-1,
body.light-theme .glow-bg-2 {
    opacity: 0.08;
}

@keyframes floatBlob1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 80px) scale(1.2); }
}

@keyframes floatBlob2 {
    0% { transform: translate(0, 0) scale(1.2); }
    100% { transform: translate(-80px, -50px) scale(0.9); }
}

/* ==================== GLASS PANEL STYLE ==================== */
.glass-panel {
    background-color: var(--glass-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 1.25rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.glass-panel:hover {
    border-color: rgba(6, 182, 212, 0.2);
    box-shadow: var(--shadow), var(--glow-shadow);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    border-radius: 50px;
    font-weight: var(--font-medium);
    transition: var(--transition);
    gap: 0.5rem;
    font-family: var(--body-font);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
}

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

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

.btn-icon {
    width: 1.2rem;
    height: 1.2rem;
    transition: transform 0.3s;
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

/* ==================== HEADER & NAV ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

body.light-theme .header {
    background-color: rgba(248, 250, 252, 0.7);
}

.header-scroll {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--title-font);
    font-weight: var(--font-bold);
    font-size: var(--h3-font-size);
    color: var(--title-color);
    letter-spacing: 0.5px;
}

.logo-accent {
    color: var(--first-color);
}

.nav-list {
    display: flex;
    column-gap: 2.25rem;
}

.nav-link {
    color: var(--text-color);
    font-weight: var(--font-medium);
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--title-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.active-link {
    color: var(--title-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    column-gap: 1.25rem;
}

.theme-toggle {
    background: transparent;
    color: var(--title-color);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--border-color);
    color: var(--first-color);
    transform: rotate(15deg);
}

/* Toggle Theme Icons Display */
.sun-icon { display: none; }
.moon-icon { display: block; }

body.light-theme .sun-icon { display: block; }
body.light-theme .moon-icon { display: none; }

.nav-toggle, .nav-close {
    font-size: 1.25rem;
    color: var(--title-color);
    display: none;
}

/* Responsive Nav Menu */
@media screen and (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: -100%;
        left: 0;
        width: 100%;
        background-color: var(--body-color);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        padding: 4.5rem 0 3.5rem;
        transition: var(--transition);
        border-bottom: 1px solid var(--border-color);
        z-index: 100;
    }
    
    .nav-menu.show-menu {
        top: 0;
    }

    .nav-list {
        flex-direction: column;
        row-gap: 1.75rem;
        align-items: center;
    }

    .nav-toggle, .nav-close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        cursor: pointer;
    }
    
    .nav-close {
        position: absolute;
        top: 1rem;
        right: 1.5rem;
    }
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 6.5rem;
    overflow: hidden;
}

.hero-container {
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.badge-container {
    margin-bottom: 1.25rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--first-color);
    border-radius: 50px;
    font-size: var(--smaller-font-size);
    font-weight: var(--font-medium);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--first-color);
    border-radius: 50%;
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: inherit;
    top: 0;
    left: 0;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2.5); opacity: 0; }
}

.hero-title {
    font-size: var(--big-font-size);
    font-weight: var(--font-extra-bold);
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.typing-text {
    color: var(--first-color);
    font-weight: var(--font-semi-bold);
    border-right: 2px solid var(--first-color);
    padding-right: 4px;
    animation: blinkCursor 0.75s step-end infinite;
}

@keyframes blinkCursor {
    from, to { border-color: transparent }
    50% { border-color: var(--first-color); }
}

.hero-description {
    font-size: var(--normal-font-size);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 520px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-socials {
    display: flex;
    gap: 1.25rem;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--container-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    color: #fff;
    background-color: var(--first-color);
    border-color: var(--first-color);
    transform: translateY(-5px);
    box-shadow: var(--glow-shadow);
}

/* Hero Visual Graphic */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 0;
}

.visual-wrapper {
    position: relative;
    width: 100%;
    max-width: 450px;
}

/* IDE Code Art Window styling */
.blob-outer {
    width: 100%;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(139, 92, 246, 0.15));
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    backdrop-filter: blur(8px);
}

.blob-inner {
    background-color: #0d1117;
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    overflow-x: auto;
    position: relative;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Mock window buttons */
.blob-inner::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 12px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ff5f56;
    box-shadow: 14px 0 0 #ffbd2e, 28px 0 0 #27c93f;
}

.code-art-text {
    margin-top: 0.75rem;
}

/* Syntax Highlighting */
.code-art-text .keyword { color: #ff7b72; }
.code-art-text .class { color: #f9758b; }
.code-art-text .title { color: #b392f0; }
.code-art-text .string { color: #9ecbff; }
.code-art-text .comment { color: #8b949e; font-style: italic; }

/* Floating Badges */
.floating-tag {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--container-color);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-weight: var(--font-medium);
    font-size: var(--small-font-size);
    box-shadow: var(--shadow);
    animation: floatEffect 6s ease-in-out infinite;
    color: var(--title-color);
    z-index: 10;
}

.tag-python {
    top: -10px;
    right: 20px;
    animation-delay: 0s;
}

.tag-django {
    bottom: 20px;
    left: -20px;
    animation-delay: 2s;
}

.tag-cv {
    top: 45%;
    right: -30px;
    animation-delay: 4s;
}

@keyframes floatEffect {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(2deg); }
}

.scroll-down {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    z-index: 1;
}

.scroll-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: 0.5rem;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-color);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--first-color);
    border-radius: 2px;
    animation: scrollMouse 1.8s infinite;
}

@keyframes scrollMouse {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

.scroll-text {
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
    font-weight: var(--font-medium);
}

/* ==================== ABOUT SECTION ==================== */
.about-container {
    grid-template-columns: 1fr;
    row-gap: 3rem;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stats-card {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
    gap: 1rem;
}

.stats-item {
    padding: 0.75rem 0;
}

.stats-number {
    font-size: var(--h2-font-size);
    font-weight: var(--font-bold);
    margin-bottom: 0.25rem;
}

.stats-label {
    font-size: var(--smaller-font-size);
    color: var(--text-color);
}

.about-quote {
    position: relative;
    border-left: 3px solid var(--first-color);
    padding-left: 2rem;
}

.quote-icon {
    position: absolute;
    top: 1rem;
    left: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    color: var(--first-color);
    opacity: 0.15;
}

.quote-text {
    font-style: italic;
    line-height: 1.6;
    color: var(--title-color);
}

.about-heading {
    font-size: var(--h3-font-size);
    font-weight: var(--font-bold);
    margin-bottom: 1.25rem;
}

.about-description {
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.about-details {
    margin-bottom: 2.5rem;
    row-gap: 1.25rem;
}

.detail-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.detail-icon {
    color: var(--first-color);
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.detail-item h4 {
    font-size: var(--normal-font-size);
    font-weight: var(--font-semi-bold);
    margin-bottom: 0.25rem;
}

.detail-item p {
    font-size: var(--small-font-size);
    color: var(--text-color);
    line-height: 1.4;
}

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

/* ==================== SKILLS SECTION ==================== */
.skills-container {
    grid-template-columns: 1fr;
}

.skills-category {
    padding: 2rem;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--h3-font-size);
    font-weight: var(--font-bold);
    margin-bottom: 2rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.title-icon {
    color: var(--first-color);
    width: 1.5rem;
    height: 1.5rem;
}

.skills-list {
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    row-gap: 0.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    font-weight: var(--font-medium);
}

.skill-name {
    color: var(--title-color);
}

.skill-percentage {
    color: var(--first-color);
}

.skill-bar-outer {
    width: 100%;
    height: 8px;
    background-color: var(--input-bg);
    border-radius: 10px;
    overflow: hidden;
}

.skill-bar-inner {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.1, 1, 0.1, 1);
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
    transition: var(--transition);
}

.skill-tag:hover {
    border-color: var(--first-color);
    background-color: rgba(6, 182, 212, 0.05);
    color: var(--first-color);
    transform: translateY(-2px);
}

.tag-icon {
    width: 1rem;
    height: 1rem;
}

/* ==================== PROJECTS SECTION ==================== */
.projects-filters {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-size: var(--small-font-size);
    font-weight: var(--font-medium);
    background-color: var(--container-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    transition: var(--transition);
}

.filter-btn:hover {
    color: var(--title-color);
    border-color: var(--first-color);
}

.active-filter {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.2);
}

.projects-container {
    grid-template-columns: 1fr;
}

.project-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
}

.project-visual {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.bg-gradient-cv { background: var(--gradient-cv); }
.bg-gradient-pharmacy { background: var(--gradient-pharmacy); }
.bg-gradient-crm { background: var(--gradient-crm); }

.project-main-icon {
    width: 3.5rem;
    height: 3.5rem;
    color: #fff;
    opacity: 0.85;
}

.project-cat-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    background-color: rgba(15, 23, 42, 0.6);
    color: #fff;
    font-size: var(--smaller-font-size);
    font-weight: var(--font-medium);
    backdrop-filter: blur(4px);
}

.project-content {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-bold);
    margin-bottom: 0.75rem;
}

.project-description {
    font-size: var(--small-font-size);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-techs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.tech-tag {
    padding: 0.3rem 0.75rem;
    background-color: var(--input-bg);
    border-radius: 4px;
    font-size: var(--smaller-font-size);
    font-weight: var(--font-medium);
    color: var(--first-color);
}

.project-links {
    display: flex;
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--small-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--title-color);
    transition: var(--transition);
}

.project-link-btn:hover {
    color: var(--first-color);
}

.project-link-btn i {
    width: 1.1rem;
    height: 1.1rem;
}

/* ==================== EDUCATION & CERTS ==================== */
.edu-certs-container {
    grid-template-columns: 1fr;
    row-gap: 4rem;
}

.column-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--h3-font-size);
    font-weight: var(--font-bold);
    margin-bottom: 2.5rem;
}

.timeline {
    border-left: 2px solid var(--border-color);
    padding-left: 1.75rem;
    margin-left: 0.75rem;
    display: flex;
    flex-direction: column;
    row-gap: 2.5rem;
}

.timeline-item {
    position: relative;
}

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: var(--body-color);
    border: 3px solid var(--first-color);
    border-radius: 50%;
    left: -33px;
    top: 5px;
    z-index: 10;
}

.timeline-date {
    font-size: var(--small-font-size);
    font-weight: var(--font-bold);
    color: var(--first-color);
    margin-bottom: 0.5rem;
}

.timeline-content {
    padding: 1.5rem;
}

.timeline-degree {
    font-size: var(--normal-font-size);
    font-weight: var(--font-bold);
    margin-bottom: 0.25rem;
}

.timeline-institution {
    font-size: var(--small-font-size);
    font-weight: var(--font-medium);
    color: var(--title-color);
    margin-bottom: 0.75rem;
}

.timeline-details {
    font-size: var(--small-font-size);
    line-height: 1.5;
}

/* Certifications grid styling */
.certs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.cert-card {
    padding: 1.25rem;
}

.cert-card:hover {
    border-color: var(--second-color);
    box-shadow: 0 10px 25px -10px rgba(139, 92, 246, 0.15);
}

.cert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.cert-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--second-color);
}

.cert-authority {
    font-size: var(--smaller-font-size);
    font-weight: var(--font-bold);
    color: var(--second-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cert-title {
    font-size: var(--normal-font-size);
    font-weight: var(--font-semi-bold);
    margin-bottom: 0.5rem;
}

.cert-desc {
    font-size: var(--small-font-size);
    line-height: 1.4;
}

/* ==================== CONTACT SECTION ==================== */
.contact-container {
    grid-template-columns: 1fr;
    row-gap: 3rem;
}

.contact-cards {
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.contact-info-card {
    text-align: center;
    padding: 2rem 1.5rem;
}

.contact-card-icon {
    width: 2.25rem;
    height: 2.25rem;
    color: var(--first-color);
    margin-bottom: 1rem;
}

.contact-card-title {
    font-size: var(--normal-font-size);
    font-weight: var(--font-semi-bold);
    margin-bottom: 0.25rem;
}

.contact-card-data {
    display: block;
    font-size: var(--small-font-size);
    color: var(--text-color);
    margin-bottom: 1rem;
}

.contact-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: var(--small-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--title-color);
    transition: var(--transition);
}

.contact-card-btn:hover {
    color: var(--first-color);
}

.btn-icon-sm {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s;
}

.contact-card-btn:hover .btn-icon-sm {
    transform: translateX(4px);
}

.contact-card-btn-text {
    font-size: var(--small-font-size);
    color: var(--first-color);
    font-weight: var(--font-medium);
}

/* Contact Form styling */
.contact-form-panel {
    padding: 2.5rem;
}

.contact-heading {
    font-size: var(--h3-font-size);
    font-weight: var(--font-bold);
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    row-gap: 0.5rem;
    position: relative;
}

.form-label {
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
}

.form-input {
    background-color: var(--input-bg);
    color: var(--title-color);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.85rem 1.25rem;
    transition: var(--transition);
}

.form-textarea {
    resize: none;
}

.form-input:focus {
    border-color: var(--first-color);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
    background-color: var(--container-color);
}

.error-message {
    color: #ef4444;
    font-size: var(--smaller-font-size);
    display: none;
    margin-top: 0.25rem;
}

.form-group.invalid .form-input {
    border-color: #ef4444;
}

.form-group.invalid .error-message {
    display: block;
}

.form-submit-btn {
    width: 100%;
    margin-top: 0.5rem;
}

/* ==================== FOOTER ==================== */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2.5rem;
    background-color: var(--container-color);
    position: relative;
    z-index: 10;
}

.footer-container {
    grid-template-columns: 1fr;
    row-gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    font-family: var(--title-font);
    font-weight: var(--font-bold);
    font-size: var(--h3-font-size);
    color: var(--title-color);
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-text {
    line-height: 1.6;
    max-width: 280px;
    font-size: var(--small-font-size);
}

.footer-title {
    font-size: var(--normal-font-size);
    font-weight: var(--font-bold);
    margin-bottom: 1.5rem;
}

.footer-list {
    display: flex;
    flex-direction: column;
    row-gap: 0.75rem;
}

.footer-link {
    font-size: var(--small-font-size);
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--first-color);
}

.footer-social-icons {
    display: flex;
    gap: 1rem;
}

.footer-social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--body-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social-link:hover {
    background-color: var(--first-color);
    color: #fff;
    border-color: var(--first-color);
    transform: translateY(-3px);
}

.social-icon {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: var(--transition);
}

.footer-copy {
    text-align: center;
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
}

/* ==================== BACK TO TOP ==================== */
.scroll-up {
    position: fixed;
    bottom: -20%;
    right: 1.5rem;
    background: var(--gradient-primary);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.2);
    transition: var(--transition);
    visibility: hidden;
}

.scroll-up:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(6, 182, 212, 0.35);
}

.scroll-up.show-scroll {
    bottom: 2rem;
    visibility: visible;
}

/* ==================== SUCCESS MODAL ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(2, 4, 8, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.show-modal {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    max-width: 420px;
    width: 90%;
    text-align: center;
    position: relative;
    padding: 3rem 2rem;
    transform: scale(0.8);
    transition: var(--transition);
}

.modal.show-modal .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--first-color);
}

.modal-success-icon {
    width: 3.5rem;
    height: 3.5rem;
    color: var(--first-color);
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: var(--h3-font-size);
    margin-bottom: 0.75rem;
}

.modal-description {
    font-size: var(--small-font-size);
    line-height: 1.5;
    margin-bottom: 2rem;
}

.modal-content .btn {
    width: 120px;
}

/* ==================== MEDIA QUERIES ==================== */
/* Small Devices */
@media screen and (max-width: 360px) {
    :root {
        --big-font-size: 2.25rem;
    }
    
    .container {
        margin-left: 1rem;
        margin-right: 1rem;
    }
    
    .hero-ctas, .about-ctas {
        flex-direction: column;
    }
    
    .hero-ctas .btn, .about-ctas .btn {
        width: 100%;
    }
    
    .stats-card {
        grid-template-columns: 1fr;
        row-gap: 1rem;
    }
}

/* Medium Devices (Tablets) */
@media screen and (min-width: 576px) {
    .about-container,
    .skills-container,
    .projects-container,
    .edu-certs-container,
    .contact-container {
        grid-template-columns: 100%;
    }
    
    .contact-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (min-width: 768px) {
    .section {
        padding: 8rem 0 3rem;
    }

    .hero-container {
        grid-template-columns: 1fr 1fr;
        column-gap: 2rem;
    }

    .hero-visual {
        order: 1;
    }

    .hero-content {
        order: 0;
    }
    
    .about-container {
        grid-template-columns: 0.8fr 1.2fr;
        column-gap: 3rem;
        align-items: center;
    }
    
    .skills-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .projects-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .certs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .edu-certs-container {
        grid-template-columns: 1.1fr 0.9fr;
        column-gap: 3rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr 1.2fr;
        column-gap: 3rem;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
}

/* Large Devices (Desktops) */
@media screen and (min-width: 1024px) {
    .container {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-container {
        column-gap: 4rem;
    }
    
    .projects-container {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-container {
        grid-template-columns: 1.1fr 0.9fr;
    }
    
    .footer-container {
        grid-template-columns: 2fr 1fr 1fr;
        column-gap: 4rem;
    }
}