/* Google Fonts — Inter for all text */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* Everforest Dark Color Palette */
:root {
    --bg-dark: #2b3339;
    --bg-light: #323c41;
    --bg-lighter: #3a454a;

    --fg-primary: #d3c6aa;
    --fg-secondary: #d3c6aa;
    --fg-muted: #859289;

    --accent-orange: #e69875;
    --accent-blue: #7fbbb3;
    --accent-green: #a7c080;
    --accent-yellow: #dbbc7f;

    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    font-weight: 400;
    color: var(--fg-primary);
    background-color: var(--bg-dark);
}

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--fg-primary);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--accent-orange);
    color: var(--bg-dark);
}

/* ============================================================
   Typography
   ============================================================ */

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--accent-yellow);
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-green);
    margin-bottom: 0.75rem;
}

h4 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--fg-primary);
    margin-bottom: 0.5rem;
}

p {
    color: var(--fg-secondary);
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.7;
}

/* ============================================================
   Links & Buttons
   ============================================================ */

a {
    color: var(--accent-orange);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

a:hover {
    border-bottom-color: var(--accent-orange);
}

a:focus {
    outline: 2px solid var(--accent-yellow);
    outline-offset: 2px;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 2px solid var(--accent-orange);
    border-radius: 8px;
    color: var(--accent-orange);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn:hover {
    background: var(--accent-orange);
    color: var(--bg-dark);
    border-bottom-color: transparent;
}

.btn:focus {
    outline: 2px solid var(--accent-yellow);
    outline-offset: 2px;
}

.btn--filled {
    background: var(--accent-orange);
    color: var(--bg-dark);
}

.btn--filled:hover {
    background: transparent;
    color: var(--accent-orange);
}

/* ============================================================
   Layout Utilities
   ============================================================ */

.section {
    margin-bottom: 4rem;
}

.section:last-child {
    margin-bottom: 0;
}

.content-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .content-wrap {
        padding: 0 1.25rem;
    }
}

@media (max-width: 480px) {
    .content-wrap {
        padding: 0 1rem;
    }
}

/* ============================================================
   Header & Nav
   ============================================================ */

header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--bg-lighter);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--accent-yellow);
    text-decoration: none;
    letter-spacing: -0.02em;
    border: none;
}

.brand:hover {
    color: var(--accent-orange);
    border: none;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

nav a {
    color: var(--fg-muted);
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

nav a:hover {
    color: var(--accent-orange);
    border-bottom-color: var(--accent-orange);
}

nav a[aria-current="page"] {
    color: var(--accent-orange);
    border-bottom-color: var(--accent-orange);
}

/* Hamburger */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--fg-primary);
    margin: 5px 0;
    transition: all 0.3s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
    .header-inner {
        padding: 1rem 1.25rem;
        position: relative;
    }

    .menu-toggle {
        display: block;
    }

    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-dark);
        border-bottom: 1px solid var(--bg-lighter);
        padding: 1rem 0;
    }

    nav.open {
        display: block;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }

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

    nav a {
        display: block;
        padding: 0.875rem 1.25rem;
        border-bottom: none;
    }

    nav a:hover {
        background-color: var(--bg-light);
        border-bottom: none;
    }

    nav a[aria-current="page"] {
        border-bottom: none;
    }
}

/* ============================================================
   Main & Footer
   ============================================================ */

main {
    min-height: calc(100vh - 180px);
}

footer {
    border-top: 1px solid var(--bg-lighter);
    padding: 2rem;
    text-align: center;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--fg-muted);
    font-size: 0.85rem;
    transition: color 0.2s ease;
    border-bottom: none;
}

.footer-links a:hover {
    color: var(--accent-orange);
    border-bottom: none;
}

.copyright {
    color: var(--fg-muted);
    font-size: 0.8rem;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    footer {
        padding: 1.25rem 1rem;
    }
}

/* ============================================================
   Home — Hero
   ============================================================ */

.hero {
    background-color: var(--accent-yellow);
    padding: 6rem 2rem;
    text-align: center;
}

.hero-inner {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--bg-dark);
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    margin-bottom: 1.5rem;
    line-height: 1.05;
}

.hero p {
    color: var(--bg-dark);
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    opacity: 0.85;
    line-height: 1.7;
}

.hero .btn {
    border-color: var(--bg-dark);
    color: var(--bg-dark);
}

.hero .btn:hover {
    background: var(--bg-dark);
    color: var(--accent-yellow);
}

@media (max-width: 768px) {
    .hero {
        padding: 4rem 1.25rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3rem 1rem;
    }

    .hero p {
        max-width: 100%;
    }
}

/* ============================================================
   Home — Services
   ============================================================ */

.services {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
    border-top: 4px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.service-card:nth-child(1) {
    border-top-color: var(--accent-orange);
}

.service-card:nth-child(2) {
    border-top-color: var(--accent-blue);
}

.service-card:nth-child(3) {
    border-top-color: var(--accent-green);
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card:nth-child(1) h3 { color: var(--accent-orange); }
.service-card:nth-child(2) h3 { color: var(--accent-blue); }
.service-card:nth-child(3) h3 { color: var(--accent-green); }

.service-card p {
    color: var(--fg-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .services {
        padding-top: 2.5rem;
        padding-bottom: 2.5rem;
    }

    .services h2 {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .service-card {
        padding: 1.25rem;
    }
}

/* ============================================================
   About
   ============================================================ */

.page-header {
    padding-top: 4rem;
    padding-bottom: 2rem;
    text-align: center;
}

.page-header h1 {
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--fg-muted);
    font-size: 1.1rem;
}

.bio {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.bio p {
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Skills badges */
.skills {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.skills h2 {
    margin-bottom: 1rem;
}

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

.badge-group h3 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge {
    display: inline-block;
    padding: 0.4rem 0.875rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-radius: 4px;
    background-color: var(--bg-light);
    border: 1px solid var(--bg-lighter);
    color: var(--fg-primary);
}

.badge--orange { border-color: var(--accent-orange); color: var(--accent-orange); }
.badge--blue   { border-color: var(--accent-blue);   color: var(--accent-blue);   }
.badge--green  { border-color: var(--accent-green);  color: var(--accent-green);  }

/* Connect links */
.connect {
    padding-top: 1.5rem;
    padding-bottom: 2.5rem;
}

.connect h2 {
    margin-bottom: 1rem;
}

.connect-links {
    display: flex;
    gap: 1rem;
}

@media (max-width: 768px) {
    .page-header {
        padding-top: 2rem;
        padding-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .bio p {
        font-size: 1rem;
    }

    .connect-links {
        flex-direction: column;
    }
}

/* ============================================================
   Projects
   ============================================================ */

.projects {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.project-card {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 2.5rem;
    border-left: 4px solid var(--accent-orange);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.project-card h2 {
    margin-bottom: 0.5rem;
}

.project-type {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-orange);
    margin-bottom: 1.5rem;
    border-bottom: none;
}

.project-card p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--fg-muted);
    max-width: 700px;
}

.project-link {
    margin-top: 1.5rem;
}

@media (max-width: 768px) {
    .projects {
        padding-top: 1.5rem;
        padding-bottom: 2.5rem;
    }

    .project-card {
        padding: 1.75rem;
    }
}

@media (max-width: 480px) {
    .project-card {
        padding: 1.25rem;
    }

    .project-type {
        letter-spacing: 0;
    }
}

/* ============================================================
   Contact
   ============================================================ */

.contact-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
    text-align: center;
}

.contact-section h1 {
    margin-bottom: 1.5rem;
}

.contact-section > .content-wrap > p {
    color: var(--fg-muted);
    font-size: 1.1rem;
    max-width: 550px;
    margin: 0 auto 3rem;
}

.email-cta {
    margin-bottom: 3rem;
}

.email-cta a {
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--accent-orange);
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s ease;
    letter-spacing: -0.01em;
}

.email-cta a:hover {
    border-bottom-color: var(--accent-orange);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .contact-section {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }
}

@media (max-width: 480px) {
    .social-links {
        flex-direction: column;
        align-items: stretch;
    }
}