/* =============================================
   THEME TOKENS
   ============================================= */
:root {
    --bg: #030f05;
    --panel-soft: rgba(52, 211, 153, 0.03);
    --text: #e2ede6;
    --heading: #ffffff;
    --muted: #8ca394;
    --primary: #34d399;
    --border: rgba(52, 211, 153, 0.12);
    --shadow: 0 32px 64px -16px rgba(0, 0, 0, 0.4);
    --surface: rgba(52, 211, 153, 0.04);
    --surface-hover: rgba(52, 211, 153, 0.08);
    --border-hover: rgba(52, 211, 153, 0.24);
}

.light {
    --bg: #f0fdf4;
    --panel-soft: rgba(5, 150, 105, 0.04);
    --text: #415a4a;
    --heading: #062116;
    --muted: #6b8272;
    --primary: #059669;
    --border: rgba(5, 150, 105, 0.1);
    --shadow: 0 24px 48px -12px rgba(5, 150, 105, 0.1);
    --surface: rgba(5, 150, 105, 0.04);
    --surface-hover: rgba(5, 150, 105, 0.08);
    --border-hover: rgba(5, 150, 105, 0.18);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.62;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* =============================================
   BACKGROUND TREATMENT
   ============================================= */
.site-shell::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 72px 72px;
    opacity: 0.22;
    mask-image: radial-gradient(circle at center, black 28%, transparent 76%);
    -webkit-mask-image: radial-gradient(circle at center, black 28%, transparent 76%);
    pointer-events: none;
}

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    background: rgba(3, 15, 5, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.light .nav {
    background: rgba(244, 251, 246, 0.85);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--heading);
    letter-spacing: -0.04em;
    text-transform: none;
    display: flex;
    align-items: center;
    gap: 0;
    font-family: 'Inter', sans-serif;
}

.nav-center {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 4px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--panel-soft);
}

.nav-center a {
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--muted);
    transition: all 0.2s;
}

.nav-center a:hover,
.nav-center a.active {
    color: var(--heading);
    background: var(--panel-soft);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    cursor: pointer;
    color: var(--muted);
    transition: all 0.2s;
}

.theme-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.theme-toggle svg {
    width: 16px;
    height: 16px;
}

.icon-sun {
    display: none;
}

.light .icon-sun {
    display: block;
}

.light .icon-moon {
    display: none;
}

/* =============================================
   GRID BACKGROUND (Hero)
   ============================================= */
.grid-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    background: radial-gradient(circle at 50% 30%, rgba(6, 78, 59, 0.25) 0%, var(--bg) 80%);
    z-index: 0;
}

/* Modern subtle grid pattern */
.grid-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(52, 211, 153, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(52, 211, 153, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: center;
    mask-image: radial-gradient(circle at 50% 40%, black 20%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at 50% 40%, black 20%, transparent 80%);
    opacity: 0.85;
}

/* Glow Orbs */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.6;
    pointer-events: none;
    mix-blend-mode: screen;
    z-index: -1;
}

.orb-1 {
    top: -10%;
    left: 20%;
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.18) 0%, transparent 70%);
    animation: float-slow 25s infinite alternate ease-in-out;
}

.orb-2 {
    bottom: 10%;
    right: 15%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 75%);
    animation: float-medium 20s infinite alternate ease-in-out;
    animation-delay: -5s;
}

.orb-3 {
    top: 25%;
    left: 45%;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, rgba(110, 231, 183, 0.1) 0%, transparent 70%);
    animation: float-fast 18s infinite alternate ease-in-out;
    animation-delay: -2s;
}

/* Light mode overrides for glow orbs */
.light .grid-bg {
    background: radial-gradient(circle at 50% 30%, rgba(209, 250, 229, 0.6) 0%, var(--bg) 80%);
}

.light .grid-bg::before {
    background-image:
        linear-gradient(rgba(5, 150, 105, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(5, 150, 105, 0.05) 1px, transparent 1px);
}

.light .glow-orb {
    mix-blend-mode: multiply;
    opacity: 0.35;
}

.light .orb-1 {
    background: radial-gradient(circle, rgba(160, 253, 214, 0.5) 0%, transparent 70%);
}

.light .orb-2 {
    background: radial-gradient(circle, rgba(110, 231, 183, 0.4) 0%, transparent 75%);
}

.light .orb-3 {
    background: radial-gradient(circle, rgba(52, 211, 153, 0.3) 0%, transparent 70%);
}

@keyframes float-slow {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(4vw, 5vh) scale(1.1); }
    100% { transform: translate(-2vw, -3vh) scale(0.9); }
}

@keyframes float-medium {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-5vw, -4vh) scale(0.9); }
    100% { transform: translate(3vw, 2vh) scale(1.1); }
}

@keyframes float-fast {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(3vw, -5vh) scale(1.15); }
    100% { transform: translate(-4vw, 3vh) scale(0.85); }
}

/* =============================================
   HERO
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 72px;
    padding-bottom: 120px;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-copy {
    padding: 0 0.5rem 0 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.hero-title {
    font-size: clamp(3.2rem, 8vw, 5.6rem);
    line-height: 0.94;
    letter-spacing: -0.05em;
    color: var(--heading);
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-lead {
    max-width: 680px;
    font-size: 1.15rem;
    line-height: 1.75;
    color: var(--muted);
    margin-bottom: 2.5rem;
}

/* =============================================
   CONNECT PANEL
   ============================================= */
.connect-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.25rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    width: 100%;
    max-width: 480px;
    margin-left: auto;
    box-shadow: var(--shadow);
}

.connect-panel-head {
    margin-bottom: 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

.connect-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--heading);
    margin-top: 0;
    letter-spacing: -0.02em;
}

.connect-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 400px) {
    .connect-links-grid {
        grid-template-columns: 1fr;
    }
}

.connect-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.connect-row:hover {
    background: rgba(52, 211, 153, 0.1);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.light .connect-row:hover {
    background: rgba(5, 150, 105, 0.08);
}

.connect-icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(52, 211, 153, 0.08);
    color: var(--primary);
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.connect-row:hover .connect-icon-box {
    background: var(--primary);
    color: #022c22;
}

.connect-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--heading);
    transition: color 0.25s ease;
}

.connect-row:hover .connect-value {
    color: var(--primary);
}

/* =============================================
   CONTENT SECTIONS
   ============================================= */
.section {
    padding: 3.5rem 0;
    scroll-margin-top: 50px;
}

/* =============================================
   SKILLS SECTION (Redesigned in Homepage Style)
   ============================================= */
.skills-header {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    justify-items: center;
    text-align: center;
    margin-bottom: 64px;
}

.skills-headline {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 500;
    color: var(--heading);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.skills-subtext {
    font-size: 1.15rem;
    color: var(--muted);
    line-height: 1.6;
    max-width: 640px;
    margin: 0 auto;
}

.skills-content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3.5rem;
}

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

.skill-category-title {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

.skill-text {
    font-size: 1.1rem;
    color: var(--text);
    line-height: 1.6;
    font-weight: 450;
    letter-spacing: -0.01em;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: normal;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-label {
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.footer-contact {
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 16px;
    display: block;
}

.footer-col-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--muted);
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    text-align: center;
}

.footer-copy {
    color: var(--muted);
    font-size: 0.8rem;
}

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {

    .skills-header {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 40px;
    }

    .hero-copy {
        padding-right: 0;
    }

}

@media (max-width: 900px) {
    .hero {
        min-height: auto;
        justify-content: flex-start;
        padding-top: 130px;
        padding-bottom: 64px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

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

    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }

    .connect-panel {
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-center {
        display: none;
    }

    .skills-content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

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

    .nav-logo {
        font-size: 1.2rem;
    }

    .nav-right {
        gap: 0.4rem;
    }
}

.nav-logo-accent {
    color: #34d399;
    font-weight: 500;
}