/* Fonts are loaded asynchronously via index.html */
:root {
  /* Premium UI Variables */
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Poppins', sans-serif;
  
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-bg-light: #eff6ff;
  --color-bg-alt: #f8fafc;
  
  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-border: #e2e8f0;
  
  --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.025);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body { 
    font-family: var(--font-body); 
    color: var(--color-text-muted); 
    line-height: 1.6; 
    background: white; 
}

h1, h2, h3, h4, h5, h6, .heading, .card-heading { 
    font-family: var(--font-heading); 
    color: var(--color-text-main); 
    line-height: 1.2; 
}

/* Base Constraints & Spacing */
section > div, main > div, .navbar-container {
    max-width: 1250px;
    margin: 0 auto;
    width: 100%;
}

section {
    padding: 80px 24px;
}

/* Navigation */
header { 
    background: white; 
    position: sticky; 
    top: 0; 
    z-index: 100; 
    box-shadow: var(--shadow-sm); 
}
.navbar-container { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    padding: 20px 24px; 
}
.navbar-container a[href="#name"] { 
    font-weight: 700; 
    font-size: 1.5rem; 
    color: var(--color-text-main); 
    font-family: var(--font-heading); 
}
.navbar { 
    display: flex; 
    gap: 8px; 
}
.navbar a { 
    color: var(--color-text-muted); 
    padding: 8px 16px; 
    border-radius: var(--border-radius-md); 
    font-weight: 500; 
    font-size: 0.95rem; 
    transition: var(--transition); 
}
.navbar a:hover { 
    background: var(--color-bg-light); 
    color: var(--color-primary); 
}
.navbar a:first-child { 
    background: var(--color-primary); 
    color: white; 
}
.navbar a:first-child:hover { 
    background: var(--color-primary-hover); 
    color: white; 
}

/* Home Section */
#home-section { 
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%); 
    display: flex; 
    flex-direction: column;
    justify-content: center;
    position: relative;
}
#home { 
    display: flex; 
    gap: 100px; 
    align-items: center; 
    justify-content: center;
}
.image img { 
    width: 380px; 
    height: 380px; 
    border-radius: 50%; 
    border: 8px solid white; 
    box-shadow: var(--shadow-md); 
    object-fit: cover;
}
.degree { 
    background: var(--color-primary); 
    color: white; 
    border-radius: 50px; 
    padding: 8px 20px; 
    margin: -35px auto 0; 
    width: fit-content; 
    text-align: center; 
    position: relative; 
    font-size: 0.9rem; 
    font-weight: 600; 
    box-shadow: var(--shadow-sm); 
}
.detail-container { max-width: 600px; flex: 1;}
#stream { 
    display: inline-block; 
    background: var(--color-bg-light); 
    color: var(--color-primary); 
    padding: 6px 16px; 
    border-radius: 50px; 
    font-weight: 600; 
    font-size: 0.85rem; 
    letter-spacing: 0.5px; 
    text-transform: uppercase; 
    margin-bottom: 24px; 
}
#myname { font-size: 4rem; 
    font-weight: 700; 
    margin-bottom: 16px; 
    letter-spacing: -1px;
}
#aboutme { 
    font-size: 1.25rem; 
    font-weight: 500; 
    color: var(--color-text-main); 
    margin-bottom: 16px; 
}
#aboutaim { font-size: 1.1rem; 
    margin-bottom: 40px; 
    color: var(--color-text-muted); 
    line-height: 1.7;
}

/* Buttons */
.links { display: flex; 
    flex-wrap: wrap; 
    gap: 16px; 
}
.links button { 
    padding: 14px 28px; 
    border-radius: var(--border-radius-md); 
    font-size: 1rem; 
    font-weight: 600; 
    font-family: var(--font-body); 
    cursor: pointer; 
    transition: var(--transition); 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    border: none; 
}
#btn1 { background: var(--color-primary); color: white; box-shadow: var(--shadow-sm); }
#btn1:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
#btn1 a { color: white; }
.btn2 { background: white; color: var(--color-text-main); border: 1px solid var(--color-border) !important; box-shadow: var(--shadow-sm); }
.btn2:hover { border-color: var(--color-primary) !important; color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn2 a { color: inherit; }
.link.bi { font-size: 1.1rem; }

#place { text-align: center; margin-top: 60px; font-weight: 500; width: 100%; color: var(--color-text-muted); }

/* Typography and Common Section styles */
.heading { font-size: 2.5rem; font-weight: 700; text-align: center; margin-bottom: 16px;}
.headline { width: 60px; height: 4px; background: var(--color-primary); border: none; border-radius: 2px; margin: 0 auto 32px; }
.stmt { text-align: center; font-size: 1.1rem; margin-bottom: 56px; max-width: 600px; margin-inline: auto; color: var(--color-text-muted); }
.lstmt { text-align: center; font-weight: 500; margin-top: 48px; }

/* About Section */
#about { background: var(--color-bg-alt); border-radius: var(--border-radius-lg); padding: 56px; border: 1px solid var(--color-border); }
.intro { margin-bottom: 24px; font-size: 1.1rem; line-height: 1.8; color: var(--color-text-muted); }
.intro span { color: var(--color-primary); font-weight: 600; }

/* Skills Section */
.cards { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; margin-bottom: 32px; }
h2 { text-align: center; font-size: 1.75rem; margin-bottom: 32px; color: var(--color-text-main); margin-top: 24px;}

.small-card { 
    width: calc(33.333% - 16px); 
    min-width: 250px; 
    background: white; 
    border-radius: var(--border-radius-lg); 
    padding: 32px; 
    border: 1px solid var(--color-border); 
    box-shadow: var(--shadow-sm); 
    transition: var(--transition); 
}
.small-card:hover { 
    transform: translateY(-5px); 
    box-shadow: var(--shadow-md); 
    border-color: var(--color-primary); 
}
.icon { 
    background: var(--color-bg-light); 
    color: var(--color-primary); 
    height: 56px; width: 56px; 
    border-radius: 14px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 1.75rem; 
    flex-shrink: 0;
}
.card-top { 
    display: flex; 
    gap: 20px; 
    align-items: center; 
}
.card-top .card-content { flex: 1; }
.card-top > .list { margin-top: 0; align-self: center; }
.card-heading { font-weight: 600; font-size: 1.15rem; margin-bottom: 4px; color: var(--color-text-main); }
.card-body { font-size: 0.85rem; color: var(--color-primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;}
.card-footer { font-size: 0.95rem; margin-top: 24px; line-height: 1.6; color: var(--color-text-muted);}

/* Dynamic List Styling */
.list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.list span { padding: 6px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; white-space: nowrap; }
.list.c1 span { background: #eff6ff; color: #1d4ed8; }
#c2 span { background: #f0fdf4; color: #15803d; }
#c3 span { background: #fdf4ff; color: #86198f; }
#c4 span { background: #fff7ed; color: #c2410c; }

/* Special Icon Colors */
#icon1 { background: #eff6ff; color: #1d4ed8; }
#icon2 { background: #f0fdf4; color: #15803d; }
#icon3 { background: #fdf4ff; color: #86198f; }
#icon4 { background: #fff7ed; color: #c2410c; }
#icon1, #icon2, #icon3, #icon4 { flex-shrink: 0; }

/* Projects */
#projects-section { background: var(--color-bg-alt); }
.card { 
    width: calc(50% - 12px); 
    min-width: 300px; 
    background: white; 
    border-radius: var(--border-radius-lg); 
    padding: 40px; 
    border: 1px solid var(--color-border); 
    box-shadow: var(--shadow-sm); 
    transition: var(--transition); 
    display: flex; 
    flex-direction: column; 
    justify-content: space-between; 
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--color-primary);}

/* Education */
.big-card { 
    width: calc(50% - 12px); 
    min-width: 300px; 
    background: white; 
    border-radius: var(--border-radius-lg); 
    padding: 40px; 
    border: 1px solid var(--color-border); 
    box-shadow: var(--shadow-sm); 
    transition: var(--transition); 
}
.big-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--color-primary); }
.duration { display: flex; justify-content: space-between; margin: 24px 0; font-size: 0.95rem; color: var(--color-text-muted); font-weight: 500;}
.duration i { color: var(--color-primary); margin-right: 4px; }
.content { font-size: 1rem; line-height: 1.7; margin-bottom: 24px; color: var(--color-text-muted); }

/* Vision */
#vision-section { background: var(--color-bg-alt); }
.vision-info-card { 
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover)); 
    color: white; 
    padding: 56px; 
    border-radius: var(--border-radius-lg); 
    box-shadow: var(--shadow-md); 
    display: block; 
    margin-bottom: 32px; 
    text-align: center; 
}
.vision-info-card .heading { color: white; margin-bottom: 16px; font-size: 2.25rem;}
.vision-info-card .card-heading { font-size: 1.25rem; font-weight: 400; opacity: 0.95; line-height: 1.7; margin-bottom: 40px; max-width: 800px; margin-inline: auto;}
.vision-inspiration { display: flex; gap: 24px; justify-content: center; text-align: left; max-width: 900px; margin: 0 auto;}
.vision-inspiration div { flex: 1; display: flex; gap: 16px; background: rgba(255,255,255,0.1); padding: 24px; border-radius: var(--border-radius-md); font-size: 1rem; line-height: 1.6; }
.vision-small-card { flex-direction: row; gap: 24px; align-items: flex-start; padding: 32px; border: 1px solid var(--color-border); }
.vision-small-card .icon { background: var(--color-bg-light); color: var(--color-primary); }
.card-stmt { margin-top: 12px; font-size: 1rem; line-height: 1.6; color: var(--color-text-muted);}
.why-vision { background: white; border-left: 4px solid var(--color-primary); padding: 40px; border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0; margin-top: 40px; font-size: 1.1rem; line-height: 1.8; box-shadow: var(--shadow-sm); }
.why-vision p { margin-bottom: 16px; }

/* Contact Section */
.details { 
    display: flex; 
    justify-content: center; 
    gap: 64px; 
    align-items: flex-start;
    flex-wrap: wrap;
}
.details > div {
    flex: 1;
    min-width: 350px;
    max-width: 530px;
    width: 100%;
}
.talk { font-size: 1.75rem; color: var(--color-text-main); font-family: var(--font-heading); font-weight: 700;}
.card-grid { display: grid; grid-template-columns: 1fr; gap: 24px; margin-top: 40px; }
.card1 { background: white; border-radius: var(--border-radius-md); border: 1px solid var(--color-border); padding: 24px; transition: var(--transition); box-shadow: var(--shadow-sm); }
.card1:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--color-primary); }
.card-heading1 { font-weight: 600; color: var(--color-text-main); margin-bottom: 6px; font-size: 1.1rem;}
.card-body1 { font-size: 0.95rem; color: var(--color-primary); font-weight: 500;}
.send { 
    background: white; 
    padding: 40px; 
    border-radius: var(--border-radius-lg); 
    box-shadow: var(--shadow-md); 
    border: 1px solid var(--color-border); 
    position: relative;
    overflow: hidden;
    width: 500px;
}
.send::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--color-primary), #60a5fa);
}
.send h2 { text-align: left; margin: 0 0 8px 0; font-size: 1.75rem; font-weight: 700;}
.form-subtitle { color: var(--color-text-muted); font-size: 0.95rem; margin-bottom: 32px; line-height: 1.5; }
.send-form { margin-bottom: 24px; }
.send-form label { display: block; font-weight: 600; font-size: 0.85rem; color: var(--color-text-main); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.send-form input, .send-form textarea { width: 100%; padding: 14px 16px; border: 1.5px solid var(--color-border); border-radius: var(--border-radius-md); font-family: var(--font-body); font-size: 1rem; transition: var(--transition); background: var(--color-bg-alt); color: var(--color-text-main); }
.send-form input::placeholder, .send-form textarea::placeholder { color: #475569; }
.send-form input:focus, .send-form textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1); background: white;}
.send-form textarea { height: 165px; resize: none; }

button[type="submit"] {
    background: linear-gradient(135deg, var(--color-primary), #1e40af);
    color: white;
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 600;
    padding: 16px 24px;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    width: 100%;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

/* Footer */
footer { padding: 60px 24px 40px; background: white; text-align: center; }
.footer-line { border: none; height: 1px; background: var(--color-border); max-width: 1100px; margin: 0 auto 40px; }
.lastsec-stmt { font-size: 1.25rem; color: var(--color-text-main); font-weight: 500; font-style: italic; margin-bottom: 16px;}
.copyright { font-size: 1rem; color: var(--color-text-muted); }
.last-div { max-width: 800px; margin: 0 auto;}

/* Responsive Adjustments */
@media (max-width: 992px) {
    #home { flex-direction: column; text-align: center; gap: 40px; }
    .detail-container { margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
    #myname { font-size: 3rem; }
    .links { justify-content: center; }
    .cards, .list { justify-content: center; }
    .small-card, .card, .big-card { width: 100%; }
    .details { grid-template-columns: 1fr; gap: 48px;}
    .vision-inspiration { flex-direction: column; }
    .card-grid { grid-template-columns: 1fr; }
    .navbar { display: none; }
}

@media (max-width: 600px) {
    .image img { width: 250px; height: 250px; }
    #myname { font-size: 2.5rem; }
    .heading { font-size: 2rem; }
    #about { padding: 32px 24px; }
    .vision-info-card { padding: 32px 24px; }
    .send { padding: 32px 24px; }
}

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

/* Scroll Reveal Animations */
.section-hidden { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.fade-in { opacity: 1 !important; transform: translateY(0) !important; }