@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* ================= THEME ================= */
:root {
  --bg-1: #0b1020;
  --bg-2: #0e142b;
  --panel: #0f172a;
  --primary-color: #6366f1; /* compatibility name */
  --primary: #6366f1;
  --primary-2: #22d3ee;
  --accent: #f43f5e;
  --card: rgba(255,255,255,0.06);
  --card-2: rgba(255,255,255,0.08);
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.12);
  --text: #e5e7eb;
  --text-muted: #a5b4fc;
  --muted: #94a3b8;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-lg: 22px;
  --header-h: 80px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 62.5%; }

body {
  margin: 0;
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(80rem 80rem at 10% 10%, rgba(99,102,241,0.12), transparent 40%),
              radial-gradient(70rem 70rem at 90% 20%, rgba(34,211,238,0.10), transparent 45%),
              linear-gradient(180deg, var(--bg-1), var(--bg-2));
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ================ HEADER ================= */
header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h);
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.4rem 6%; z-index: 1000;
  background: rgba(15, 23, 42, 0.62);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--glass-border);
}
header.scrolled { background: rgba(15, 23, 42, 0.8); }

.logo { font-size: 2.6rem; font-weight: 800; color: #fff; letter-spacing: 0.5px; }
.logo:hover { color: var(--primary); }

nav { display: flex; align-items: center; gap: 2rem; }
nav a {
  font-size: 1.6rem; font-weight: 500; color: #e2e8f0; opacity: 0.9; position: relative; padding: 0.3rem 0.2rem;
}
nav a::after {
  content: ''; position: absolute; left: 0; bottom: -6px; height: 3px; width: 0; border-radius: 4px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); transition: width .3s ease;
}
nav a:hover, nav a.active { color: #fff; }
nav a:hover::after, nav a.active::after { width: 100%; }

.menu-toggle, .close-menu { display: none; font-size: 2.4rem; color: #fff; cursor: pointer; }

/* ================ MOBILE NAV ================= */
.mobile-nav {
  position: fixed; top: 0; right: -100%; height: 100vh; width: min(86vw, 360px);
  background: rgba(15, 23, 42, 0.9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-left: 1px solid var(--glass-border); z-index: 1200; transition: right .45s cubic-bezier(.68,-.55,.27,1.55);
  display: flex; flex-direction: column; padding: 2rem;
}
.mobile-nav.active { right: 0; }
.mobile-nav-header { display:flex; align-items:center; justify-content: space-between; padding-bottom: 1.2rem; border-bottom: 1px solid var(--glass-border); margin-bottom: 1.6rem; }
.mobile-nav-links { display:flex; flex-direction:column; gap: 1rem; }
.mobile-nav-links a { font-size: 1.8rem; padding: 1.2rem 1.4rem; border-radius: 12px; background: var(--card); border: 1px solid var(--glass-border); }
.mobile-nav-links a:hover, .mobile-nav-links a.active { background: rgba(99,102,241,0.12); color: #fff; }

/******** Layout ********/
section { padding: calc(var(--header-h) + 4rem) 6% 6rem; position: relative; }

/* ================ HERO ================= */
.home { min-height: calc(100vh - var(--header-h)); display: grid; grid-template-columns: 1.2fr 1fr; gap: 5rem; align-items: center; }
.home-content h1 { font-size: clamp(3.2rem, 4vw + 1rem, 5.2rem); line-height: 1.1; margin: 0 0 1rem; letter-spacing: -0.02em; }
.typing-text { font-size: 2.2rem; color: var(--text-muted); margin: 0.6rem 0 2rem; }
.home-content p { font-size: 1.8rem; color: #cbd5e1; max-width: 64ch; margin: 1rem 0 2.4rem; }

.social-icons { display:flex; gap: 1.2rem; margin: 2.2rem 0 2.6rem; }
.social-icons a { width: 46px; height: 46px; display:grid; place-items:center; border-radius: 12px; background: var(--card); border:1px solid var(--glass-border); color:#fff; transition: transform .2s ease, background .2s ease; }
.social-icons a:hover { transform: translateY(-4px); background: rgba(99,102,241,0.16); }

.btn { display:inline-flex; align-items:center; gap: .8rem; padding: 1.2rem 2rem; border-radius: 12px; border: 1px solid var(--glass-border); color:#fff; background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(34,211,238,0.18)); backdrop-filter: blur(8px); cursor:pointer; font-size:1.5rem; font-weight:600; transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(99,102,241,.25); }
.ai-chat-btn { background: linear-gradient(135deg, rgba(99,102,241,0.28), rgba(244,63,94,0.28)); }

.home-img { width: min(420px, 38vw); aspect-ratio: 1 / 1; border-radius: 50%; position: relative; overflow: hidden; box-shadow: 0 0 0 10px rgba(99,102,241,0.08), 0 30px 80px rgba(0,0,0,.45); }
.home-img::before { content:''; position:absolute; inset:-20%; background: conic-gradient(from 0deg, rgba(99,102,241,.18), rgba(34,211,238,.14), transparent 60%); animation: spin 18s linear infinite; }
.home-img img { position:relative; z-index:1; width:100%; height:100%; object-fit: cover; filter: saturate(1.06) contrast(1.02); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ================ SECTION TITLES ================= */
#work h1, #services h1, #about h1, #contact h1, #stats h1 { text-align: center; font-size: 3.6rem; margin: 0 0 3rem; color: #fff; }
#work h1 span, #services h1 span, #about h1 span, #contact h1 span { color: var(--primary); position:relative; }
#work h1 span::after, #services h1 span::after, #about h1 span::after, #contact h1 span::after {
  content:''; position:absolute; left:50%; transform:translateX(-50%); bottom:-10px; height:4px; width:110px; border-radius: 8px; background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

/* ================ CARDS / GRIDS ================= */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; margin-top: 2rem; }
.service-card { background: var(--card); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 2rem; text-align: center; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; box-shadow: var(--shadow); }
.service-card:hover { transform: translateY(-6px); border-color: rgba(99,102,241,0.35); box-shadow: 0 14px 34px rgba(99,102,241,0.18); }
.service-icon { width: 58px; height: 58px; margin: 0 auto 1.2rem; border-radius: 14px; display:grid; place-items:center; color:#fff; background: linear-gradient(135deg, var(--primary), var(--accent)); }
.service-card h3 { font-size: 1.9rem; color:#fff; margin: .6rem 0 1rem; }
.service-card p { font-size: 1.5rem; color:#cbd5e1; }

.projects-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.project-card { background: var(--card); border: 1px solid var(--glass-border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transform: translateZ(0); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.project-card:hover { transform: translateY(-8px); border-color: rgba(34,211,238,0.35); box-shadow: 0 16px 40px rgba(34,211,238,0.18); }
.project-image { height: 200px; display:grid; place-items:center; background: linear-gradient(135deg, rgba(99,102,241,.22), rgba(34,211,238,.16)); }
.project-placeholder { font-size: 4rem; color: #fff; opacity: .9; }
.project-content { padding: 1.8rem; }
.project-content h3 { font-size: 1.9rem; margin: 0 0 .6rem; color: #fff; }
.project-content p { font-size: 1.5rem; color: #cbd5e1; margin: 0 0 1rem; }
.project-tech { display:flex; flex-wrap:wrap; gap: .5rem; margin-bottom: 1.2rem; }
.project-tech span { background: rgba(99,102,241,0.18); color: #e0e7ff; border: 1px solid rgba(99,102,241,0.3); padding: .3rem .8rem; border-radius: 999px; font-size: 1.2rem; }
.project-link { color: var(--primary-2); font-weight: 600; }
.project-link:hover { color: #67e8f9; }

/* ================ SKILLS ================= */
.skills-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2.4rem; margin-top: 2rem; }
.skills-category h3 { text-align:center; font-size: 1.8rem; color: var(--primary); margin: .6rem 0 1.2rem; }
.skill-item { margin-bottom: 1.6rem; }
.skill-item span { display:block; font-size: 1.4rem; color: #e2e8f0; margin-bottom: .6rem; }
.skill-bar { width: 100%; height: 10px; border-radius: 6px; background: rgba(255,255,255,0.1); overflow:hidden; }
.skill-progress { width: 0; height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--primary), var(--accent)); transition: width 1.6s ease; position: relative; }
.skill-progress::after { content:''; position:absolute; inset:0; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent); animation: shimmer 2s infinite; }
@keyframes shimmer { 0% { transform: translateX(-100%);} 100% { transform: translateX(100%);} }

/* ================ CONTACT ================= */
#contact p { font-size: 1.7rem; color: #cbd5e1; }

/* ================ FOOTER ================= */
.footer-content { display:grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2rem; padding: 3rem 6%; border-top: 1px solid var(--glass-border); background: rgba(15,23,42,.5); }
.footer-section h3 { font-size: 1.8rem; color: var(--primary-2); margin: 0 0 1rem; }
.footer-section p, .footer-section li, .footer-section a { color: #cbd5e1; font-size: 1.4rem; }
.footer-section ul { list-style: none; padding: 0; margin: 0; }
.footer-section li { margin: .6rem 0; }
.footer-section a:hover { color: #fff; }
.footer-social { display:flex; gap: 1rem; margin-top: .6rem; }
.footer-social a { width: 40px; height: 40px; display:grid; place-items:center; border-radius: 12px; background: var(--card); border:1px solid var(--glass-border); }
.footer-bottom { text-align:center; padding: 1.6rem; color: #a6adbb; font-size: 1.4rem; border-top: 1px solid var(--glass-border); background: rgba(15,23,42,.5); }

/* ================= AI CHAT STYLES ================= */
.ai-chat-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 380px;
    height: 500px;
    max-width: 90vw;
    max-height: 80vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    z-index: 99998;
    display: flex;
    flex-direction: column;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.ai-chat-container.open { transform: translateY(0); opacity: 1; }

/* Mobile adjustments */

@media (max-width: 420px) {
    .ai-chat-container {
        height: 100vh;
        max-height: 100vh;
        border-radius: 20px 20px 0 0;
    }
}

.ai-chat-header { 
    background: linear-gradient(135deg, var(--primary), var(--accent)); 
    color: #fff; 
    padding: 20px; 
    border-radius: 24px 24px 0 0; 
    display:flex; 
    align-items:center; 
    justify-content: space-between; 
    border-bottom: 1px solid rgba(255,255,255,0.2); 
    touch-action: manipulation; 
}
@media (max-width: 768px) {
    .ai-chat-header { 
        border-radius: 24px 24px 0 0; 
        padding: 24px 20px; 
    }
}
.ai-chat-info { display:flex; align-items:center; gap: 12px; }
.ai-chat-info i { font-size: 2.4rem; }
.ai-chat-info h3 { font-size: 1.8rem; margin: 0; font-weight: 600; }
.ai-status { 
    font-size: 1.3rem; 
    padding: 4px 10px; 
    border-radius: 999px; 
    background: rgba(255,255,255,.25); 
    font-weight: 500;
}
.ai-chat-close { 
    background: rgba(255,255,255,.25); 
    color: #fff; 
    border: 0; 
    width: 44px; 
    height: 44px; 
    border-radius: 50%; 
    display:grid; 
    place-items:center; 
    cursor: pointer; 
    touch-action: manipulation; 
    -webkit-tap-highlight-color: transparent; 
    font-size: 1.6rem;
}
.ai-chat-close:hover { background: rgba(255,255,255,.35); }
.ai-chat-close:active { transform: scale(0.95); }

.ai-chat-messages { 
    flex:1; 
    overflow-y: auto; 
    padding: 20px; 
    display:flex; 
    flex-direction: column; 
    gap: 16px; 
    -webkit-overflow-scrolling: touch; 
    background: rgba(248, 250, 252, 0.5);
}
.ai-chat-messages::-webkit-scrollbar { width: 6px; }
.ai-chat-messages::-webkit-scrollbar-thumb { background: rgba(99, 102, 241, 0.3); border-radius: 10px; }

.ai-message { 
    display:flex; 
    gap: 12px; 
    max-width: 86%; 
    opacity: 0; 
    transform: translateY(12px); 
    transition: all .25s ease; 
}
.ai-message.show { opacity: 1; transform: translateY(0); }
@media (max-width: 768px) {
    .ai-message { max-width: 92%; }
}

.ai-message.user { margin-left: auto; flex-direction: row-reverse; }
.ai-message.ai { margin-right: auto; }
.ai-avatar { 
    width: 40px; 
    height: 40px; 
    border-radius: 50%; 
    display:grid; 
    place-items:center; 
    font-size: 1.6rem; 
    flex-shrink: 0; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.ai-message.user .ai-avatar { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; }
.ai-message.ai .ai-avatar { background: #f1f5f9; color: var(--primary); }
.ai-message-content { 
    background: #fff; 
    border-radius: 18px; 
    padding: 16px 20px; 
    font-size: 1.6rem; 
    line-height: 1.6; 
    color: #1e293b; 
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.ai-message.user .ai-message-content { 
    background: linear-gradient(135deg, var(--primary), var(--accent)); 
    color: #fff; 
}

.ai-message-content p {
    margin: 0;
    font-size: 1.6rem;
    line-height: 1.6;
}

.ai-typing-indicator { 
    display:flex; 
    gap: 6px; 
    padding: 16px 20px; 
    background: #fff; 
    border-radius: 18px; 
    width: fit-content; 
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.ai-typing-indicator span { 
    width: 8px; 
    height: 8px; 
    border-radius: 50%; 
    background: #94a3b8; 
    animation: typing 1.4s infinite; 
}
.ai-typing-indicator span:nth-child(1){ animation-delay:-.24s } 
.ai-typing-indicator span:nth-child(2){ animation-delay:-.12s }
@keyframes typing { 0%,80%,100%{ transform: scale(.8); opacity:.6;} 40%{ transform: scale(1); opacity: 1; }}

.ai-chat-input-container { 
    padding: 20px; 
    background: rgba(255,255,255,.95); 
    border-top: 1px solid var(--glass-border); 
    border-radius: 0 0 24px 24px; 
    touch-action: manipulation; 
}
@media (max-width: 768px) {
    .ai-chat-input-container { 
        padding: 24px 20px; 
        border-radius: 0 0 24px 24px; 
    }
}
.ai-input-wrapper { display:flex; gap: 12px; align-items:center; }
#ai-chat-input { 
    flex:1; 
    background: rgba(0,0,0,.06); 
    border: 1px solid rgba(0,0,0,.12); 
    border-radius: 24px; 
    padding: 14px 20px; 
    height: 48px; 
    font-size: 1.6rem; 
    outline: none; 
    color: #0b1020; 
    -webkit-appearance: none; 
    appearance: none; 
    -webkit-tap-highlight-color: transparent; 
}
@media (max-width: 768px) {
    #ai-chat-input { 
        height: 52px; 
        padding: 16px 22px; 
        font-size: 1.8rem; 
    }
}
#ai-chat-input:focus { 
    box-shadow: 0 0 0 3px rgba(99,102,241,.25); 
    border-color: rgba(99,102,241,.6); 
}
.ai-send-btn { 
    width: 48px; 
    height: 48px; 
    border-radius: 50%; 
    border: 0; 
    background: linear-gradient(135deg, var(--primary), var(--accent)); 
    color: #fff; 
    display:grid; 
    place-items:center; 
    cursor:pointer; 
    touch-action: manipulation; 
    -webkit-tap-highlight-color: transparent; 
    transition: transform 0.1s ease; 
    font-size: 1.8rem;
}
@media (max-width: 768px) {
    .ai-send-btn { 
        width: 52px; 
        height: 52px; 
        font-size: 2rem;
    }
}
.ai-send-btn:hover { filter: brightness(1.05); }
.ai-send-btn:active { transform: scale(0.95); }
.ai-send-btn:disabled { opacity:.6; cursor:not-allowed; }

/* Floating button */
.ai-chat-float-btn { 
    position:fixed; 
    bottom: 30px; 
    right: 30px; 
    width: 64px; 
    height: 64px; 
    border-radius: 50%; 
    display:grid; 
    place-items:center; 
    background: linear-gradient(135deg, var(--primary), var(--accent)); 
    color:#fff; 
    border:0; 
    cursor:pointer; 
    z-index: 99999; 
    box-shadow: 0 12px 28px rgba(99,102,241,.28); 
    transition: transform .22s ease, opacity .22s ease; 
    touch-action: manipulation; 
    -webkit-tap-highlight-color: transparent; 
    font-size: 2rem;
}
.ai-chat-float-btn:hover { transform: scale(1.06) rotate(8deg); }
.ai-chat-float-btn:active { transform: scale(0.95); }
.ai-chat-float-btn.hidden { transform: scale(0); opacity: 0; }
.ai-notification-dot { 
    position:absolute; 
    top: 8px; 
    right: 8px; 
    width: 14px; 
    height: 14px; 
    border-radius: 50%; 
    background: #4ade80; 
    box-shadow: 0 0 10px rgba(74, 222, 128, .7); 
}

/* AI Chat Suggestions */
.ai-suggestions {
    margin: 16px 0;
    padding: 0 4px;
}

.suggestion-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 12px;
    text-align: center;
}

.suggestion-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.suggestion-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    color: #475569;
    font-size: 1.4rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    width: 100%;
    touch-action: manipulation;
}

.suggestion-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
    color: #1e293b;
    transform: translateY(-1px);
}

.suggestion-btn:active {
    transform: translateY(0);
    background: rgba(99, 102, 241, 0.2);
}

.suggestion-btn i {
    font-size: 1.3rem;
    color: #6366f1;
    flex-shrink: 0;
}

.suggestion-btn span {
    font-weight: 500;
}

/* Mobile optimizations for suggestions */
@media (max-width: 768px) {
    .ai-suggestions {
        margin: 12px 0;
        padding: 0 8px;
    }
    
    .suggestion-title {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }
    
    .suggestion-buttons {
        gap: 6px;
    }
    
    .suggestion-btn {
        padding: 10px 14px;
        font-size: 1.3rem;
        gap: 8px;
    }
    
    .suggestion-btn i {
        font-size: 1.2rem;
    }
}

@media (max-width: 420px) {
    .ai-suggestions {
        margin: 10px 0;
        padding: 0 4px;
    }
    
    .suggestion-title {
        font-size: 1.2rem;
        margin-bottom: 8px;
    }
    
    .suggestion-buttons {
        gap: 4px;
    }
    
    .suggestion-btn {
        padding: 8px 12px;
        font-size: 1.2rem;
        gap: 6px;
        border-radius: 8px;
    }
    
    .suggestion-btn i {
        font-size: 1.1rem;
    }
}

/* Code Block Styles */
.code-block {
    margin: 12px 0;
    border-radius: 8px;
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-language {
    font-size: 1.2rem;
    color: #94a3b8;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: #cbd5e1;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    touch-action: manipulation;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

.copy-btn:active {
    transform: scale(0.95);
}

.copy-btn.copied {
    background: rgba(74, 222, 128, 0.2);
    border-color: rgba(74, 222, 128, 0.4);
    color: #4ade80;
}

.copy-btn i {
    font-size: 1.1rem;
}

.copy-text {
    font-size: 1.1rem;
}

.code-content {
    margin: 0;
    padding: 12px;
    background: transparent;
    color: #e2e8f0;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 1.3rem;
    line-height: 1.5;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.code-content code {
    background: none;
    padding: 0;
    border: none;
    color: inherit;
    font-size: inherit;
}

/* Syntax highlighting colors */
.language-javascript .keyword { color: #c792ea; }
.language-javascript .string { color: #c3e88d; }
.language-javascript .number { color: #f78c6c; }
.language-javascript .comment { color: #546e7a; }
.language-javascript .function { color: #82aaff; }

.language-css .selector { color: #82aaff; }
.language-css .property { color: #ffcb6b; }
.language-css .value { color: #c3e88d; }
.language-css .unit { color: #f78c6c; }

.language-html .tag { color: #f78c6c; }
.language-html .attribute { color: #82aaff; }
.language-html .value { color: #c3e88d; }

@media (max-width: 768px) {
    .code-header {
        padding: 10px 12px;
    }
    
    .code-language {
        font-size: 1.1rem;
    }
    
    .copy-btn {
        padding: 6px 10px;
        font-size: 1.1rem;
    }
    
    .code-content {
        padding: 10px;
        font-size: 1.2rem;
    }
}

/* ================ UTILITIES ================= */
.service-card, .project-card, .timeline-item, .skills-container { will-change: transform, opacity; }

/* ================ RESPONSIVE ================= */
@media (max-width: 1080px) {
  .home { grid-template-columns: 1fr; text-align: center; }
  .home-img { margin: 0 auto; }
}

@media (max-width: 996px) {
  nav a { display: none; }
  .menu-toggle { display: block; }
}

@media (max-width: 768px) {
  header { padding: 1rem 5%; }
  section { padding: calc(var(--header-h) + 2.4rem) 5% 4rem; }
  .btn { padding: 1rem 1.6rem; font-size: 1.4rem; }
  .services-grid, .projects-grid, .skills-container { grid-template-columns: 1fr; }
  .ai-chat-container { height: 66vh; }
}

@media (max-width: 420px) {
  .logo { font-size: 2.2rem; }
  .home-content h1 { font-size: 2.6rem; }
  .typing-text { font-size: 1.7rem; }
  .ai-chat-float-btn { right: 18px; bottom: 18px; width: 56px; height: 56px; }
}

/* AI Chat Suggestions */
.ai-suggestions {
    padding: 16px 20px 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.suggestion-title {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    font-weight: 500;
}

.suggestion-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.suggestion-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid #000000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    color: #000000;
    font-size: 1.3rem;
    text-align: left;
}

.suggestion-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.suggestion-btn i {
    font-size: 1.4rem;
    color: #4ade80;
}

.suggestion-btn span {
    flex: 1;
    line-height: 1.3;
}

/* Mobile Responsive for AI Chat Suggestions */
@media (max-width: 768px) {
    .ai-suggestions {
        padding: 12px 16px 8px;
    }
    
    .suggestion-buttons {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    
    .suggestion-btn {
        padding: 8px 10px;
        font-size: 1.1rem;
    }
    
    .suggestion-btn i {
        font-size: 1.2rem;
    }
}