@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

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

body {
    font-family: 'Inter', 'Plus Jakarta Sans', sans-serif;
    overflow-x: hidden;
    background: #0B1120;
    color: #E5E7EB;
}

html { scroll-behavior: smooth; }

::selection { background: rgba(124,58,237,0.35); color: #fff; }

/* ===== ATMOSPHERIC BACKGROUND ===== */
.bg-atmosphere {
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(circle at 20% 30%, rgba(124,58,237,0.25), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(34,211,238,0.20), transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(99,102,241,0.08), transparent 60%),
        #0B1120;
}

/* ===== FLOATING GRADIENT ORBS ===== */
.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.18;
    pointer-events: none;
    z-index: -1;
}
.orb-1 {
    width: 600px; height: 600px;
    background: linear-gradient(135deg, #7C3AED, #6366F1);
    top: -200px; left: -150px;
    animation: orbFloat1 20s ease-in-out infinite;
}
.orb-2 {
    width: 500px; height: 500px;
    background: linear-gradient(135deg, #22D3EE, #6366F1);
    bottom: -150px; right: -100px;
    animation: orbFloat2 25s ease-in-out infinite;
}
.orb-3 {
    width: 350px; height: 350px;
    background: linear-gradient(135deg, #7C3AED, #22D3EE);
    top: 40%; left: 55%;
    animation: orbFloat3 18s ease-in-out infinite;
}
.orb-4 {
    width: 200px; height: 200px;
    background: #6366F1;
    top: 70%; left: 10%;
    animation: orbFloat1 22s ease-in-out infinite reverse;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(80px, 50px) scale(1.1); }
}
@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-60px, -40px) scale(1.15); }
}
@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -60px) scale(0.9); }
}

/* ===== GLASSMORPHISM ===== */
.glass {
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
}

.glass-card {
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.35);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.45), 0 0 40px rgba(124,58,237,0.08);
    border-color: rgba(255,255,255,0.12);
}

/* ===== STAGGERED ENTRANCE ===== */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.7s cubic-bezier(.22,.61,.36,1) forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

@keyframes slideUp {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: linear-gradient(135deg, #7C3AED, #6366F1, #22D3EE);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== NAVBAR ===== */
.nav-glass {
    background: rgba(11,17,32,0.75);
    backdrop-filter: blur(24px) saturate(1.8);
    -webkit-backdrop-filter: blur(24px) saturate(1.8);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* ===== LOGO PULSE ===== */
.logo-icon {
    background: linear-gradient(135deg, #7C3AED, #6366F1);
    animation: logoPulse 3s ease-in-out infinite;
}
@keyframes logoPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(124,58,237,0.4); }
    50% { box-shadow: 0 0 0 10px rgba(124,58,237,0); }
}

/* ===== UPLOAD ZONE ===== */
.upload-zone {
    position: relative;
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px dashed rgba(255,255,255,0.12);
    border-radius: 16px;
    transition: all 0.3s ease;
}
.upload-zone:hover,
.upload-zone.file-selected {
    border-color: rgba(124,58,237,0.5);
    background: rgba(124,58,237,0.05);
    box-shadow: 0 0 40px rgba(124,58,237,0.12);
    transform: scale(1.01);
}
.upload-zone .icon-wrap {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.upload-zone:hover .icon-wrap {
    transform: scale(1.12);
    box-shadow: 0 8px 30px rgba(124,58,237,0.25);
}

/* ===== PRIMARY BUTTON ===== */
.btn-primary {
    background: linear-gradient(135deg, #7C3AED, #6366F1);
    box-shadow: 0 8px 30px rgba(124,58,237,0.35);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}
.btn-primary:hover::before { transform: translateX(100%); }
.btn-primary:hover {
    box-shadow: 0 14px 40px rgba(124,58,237,0.5);
    transform: translateY(-2px);
}
.btn-primary:disabled {
    background: rgba(255,255,255,0.06);
    box-shadow: none;
    transform: none;
    color: #475569;
}
.btn-primary:disabled::before { display: none; }

/* ===== SECONDARY BUTTON ===== */
.btn-secondary {
    position: relative;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    transition: all 0.3s ease;
}
.btn-secondary:hover {
    border-color: rgba(124,58,237,0.5);
    color: #C4B5FD;
    background: rgba(124,58,237,0.08);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(124,58,237,0.15);
}

/* ===== STAT CARD ICONS ===== */
.stat-icon-indigo {
    background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(99,102,241,0.15));
}
.stat-icon-emerald {
    background: linear-gradient(135deg, rgba(16,185,129,0.2), rgba(52,211,153,0.15));
}
.stat-icon-rose {
    background: linear-gradient(135deg, rgba(244,63,94,0.2), rgba(251,113,133,0.15));
}

/* ===== SKILL TAGS ===== */
.skill-tag {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.skill-tag:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

/* ===== NEXT STEPS CARD ===== */
.next-steps-card {
    background: linear-gradient(135deg, rgba(124,58,237,0.3), rgba(99,102,241,0.2));
    border: 1px solid rgba(124,58,237,0.3);
    position: relative;
    overflow: hidden;
}
.next-steps-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(34,211,238,0.08) 0%, transparent 50%);
}

/* ===== RESOURCE LINK ===== */
.resource-link {
    transition: all 0.3s ease;
}
.resource-link:hover {
    transform: translateX(4px);
    border-color: rgba(124,58,237,0.5) !important;
    background: rgba(124,58,237,0.06);
}
.resource-link:hover .arrow-icon { transform: translateX(6px); }
.arrow-icon { transition: transform 0.3s ease; }

/* ===== SPINNER ===== */
.spinner-ring {
    border: 4px solid rgba(124,58,237,0.15);
    border-top-color: #7C3AED;
    animation: spinSmooth 1s cubic-bezier(.4,.0,.2,1) infinite;
}
@keyframes spinSmooth { to { transform: rotate(360deg); } }

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(4) infinite;
}
@keyframes dots {
    0% { content: ''; }
    25% { content: '.'; }
    50% { content: '..'; }
    75% { content: '...'; }
}

/* ===== PROGRESS STEPS ===== */
.progress-step { opacity: 0.4; transition: opacity 0.5s ease; }
.progress-step.active { opacity: 1; }

/* ===== FOOTER ===== */
.footer-gradient {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(124,58,237,0.5), rgba(34,211,238,0.3), rgba(124,58,237,0.5), transparent);
}
.footer-link {
    color: #94A3B8;
    transition: color 0.3s ease;
}
.footer-link:hover { color: #E5E7EB; }

/* ===== SOCIAL ICON HOVER ===== */
.social-icon {
    position: relative;
    transition: all 0.3s ease;
    color: #94A3B8;
}
.social-icon::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: rgba(124,58,237,0.12);
    transform: scale(0);
    transition: transform 0.3s ease;
}
.social-icon:hover::before { transform: scale(1); }
.social-icon:hover { color: #A78BFA; }

/* ===== SELECT STYLING ===== */
.select-premium {
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}
.select-premium:focus {
    box-shadow: 0 0 0 3px rgba(124,58,237,0.25);
    border-color: rgba(124,58,237,0.5);
}
.select-premium option {
    background: #0F172A;
    color: #E5E7EB;
}

/* ===== BADGE ===== */
.badge-gradient {
    background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(99,102,241,0.2));
    border: 1px solid rgba(124,58,237,0.3);
}

/* ===== HERO AI GRAPHIC ===== */
.hero-graphic {
    position: relative;
}
.hero-graphic-inner {
    width: 440px;
    height: 440px;
    position: relative;
}
@media (max-width: 767px) {
    .hero-graphic-inner { width: 240px; height: 240px; }
}
.hero-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(124,58,237,0.15);
    animation: heroRingSpin 20s linear infinite;
}
.hero-ring-1 { inset: 0; }
.hero-ring-2 { inset: 15%; animation-direction: reverse; animation-duration: 15s; border-color: rgba(99,102,241,0.12); }
.hero-ring-3 { inset: 30%; animation-duration: 25s; border-color: rgba(34,211,238,0.1); }
.hero-dot {
    position: absolute;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #7C3AED;
    box-shadow: 0 0 12px rgba(124,58,237,0.5);
}
.hero-dot-1 { top: 0; left: 50%; transform: translateX(-50%); }
.hero-dot-2 { bottom: 15%; right: 10%; background: #22D3EE; box-shadow: 0 0 12px rgba(34,211,238,0.5); }
.hero-dot-3 { top: 30%; left: 5%; background: #6366F1; box-shadow: 0 0 12px rgba(99,102,241,0.5); }

/* Center brain icon with pulse glow */
.hero-center-icon {
    position: absolute;
    inset: 35%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    box-shadow: 0 0 30px rgba(124,58,237,0.2);
    animation: centerPulse 2s ease-in-out infinite;
}
@keyframes centerPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 30px rgba(124,58,237,0.2); }
    50% { transform: scale(1.08); box-shadow: 0 0 50px rgba(124,58,237,0.35); }
}
@keyframes heroRingSpin {
    to { transform: rotate(360deg); }
}

/* ===== FLOATING STAT MINI CARDS ON HERO ===== */
.hero-float-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 10px 16px;
    white-space: nowrap;
    z-index: 10;
    position: absolute;
}

/* Skills Matched — top-right, 45° */
.hero-float-card-1 {
    top: 2%;
    right: -4%;
    box-shadow: 0 0 20px rgba(16,185,129,0.25), 0 8px 32px rgba(0,0,0,0.3);
    animation: floatCard1 3s ease-in-out infinite;
}
/* AI Analysis — bottom-right, 315° */
.hero-float-card-2 {
    bottom: 2%;
    right: -4%;
    box-shadow: 0 0 20px rgba(139,92,246,0.25), 0 8px 32px rgba(0,0,0,0.3);
    animation: floatCard2 3s ease-in-out 1s infinite;
}
/* Learning Path — left center, 180° */
.hero-float-card-3 {
    top: 50%;
    left: -8%;
    transform: translateY(-50%);
    box-shadow: 0 0 20px rgba(56,189,248,0.25), 0 8px 32px rgba(0,0,0,0.3);
    animation: floatCard3 3s ease-in-out 0.5s infinite;
}

@keyframes floatCard1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes floatCard2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}
@keyframes floatCard3 {
    0%, 100% { transform: translateY(-50%); }
    50% { transform: translateY(calc(-50% - 6px)); }
}

/* Mobile adjustments for floating cards */
@media (max-width: 767px) {
    .hero-float-card { display: none !important; }
}

/* Mobile responsive fixes */
@media (max-width: 767px) {
    .hero-section-wrap { padding-top: 60px; padding-bottom: 24px; }
    .hero-section-wrap .glass { padding: 24px !important; border-radius: 16px !important; }
    .hero-section-wrap h1 { font-size: 1.75rem !important; line-height: 1.2 !important; }
    .hero-section-wrap p { font-size: 0.875rem !important; }
    .hero-section-wrap .btn-primary,
    .hero-section-wrap .btn-secondary { width: 100%; justify-content: center; }
    #input-section { padding-bottom: 60px; }
    #input-section .glass-card { border-radius: 16px !important; }
    #input-section .upload-zone { padding: 32px 16px !important; }
    #results-dashboard { padding-top: 24px; padding-bottom: 60px; }
    .glass-card { border-radius: 16px !important; }
    main { padding-left: 16px; padding-right: 16px; }
}

/* ===== INSIGHT CARD ===== */
.insight-card {
    background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(34,211,238,0.05));
    border: 1px solid rgba(124,58,237,0.15);
    border-radius: 16px;
}

/* Learning Path Card */
.learning-card {
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0,0,0,0.35);
}
.learning-card:hover {
    transform: translateY(-8px);
    border-color: rgba(124,58,237,0.3);
    box-shadow: 0 20px 60px rgba(0,0,0,0.45);
}
.learning-card:hover .learn-arrow {
    transform: translateX(4px);
}
.learn-arrow { transition: transform 0.3s ease; }

/* Grid line decoration */
.grid-pattern {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* ===== MOBILE NAV ===== */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(11,17,32,0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 16px 24px;
}
.mobile-menu.open { display: flex; }
.hamburger-btn { display: none; }
@media (max-width: 767px) {
    .hamburger-btn { display: flex; }
}