:root {
    --primary-emerald: #10B981;
    --primary-teal: #0F766E;
    --highlight-amber: #F59E0B;
    --neutral-bg: #F8FAFC;
    --card-bg: #FFFFFF;
    --dark-bg: #0B1220;
    --dark-card: #111827;
    --dark-border: #1F2937;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-dark: #E5E7EB;
    --subtle-accent: #14B8A6;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(180deg, #F8FAFC 0%, #ECFDF5 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(15, 118, 110, 0.1) 0%, transparent 40%);
    pointer-events: none;
    animation: bgPulse 8s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: orbFloat 10s ease-in-out infinite;
    pointer-events: none;
}

.hero-orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(16, 185, 129, 0.15);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 300px;
    height: 300px;
    background: rgba(245, 158, 11, 0.15);
    bottom: -50px;
    right: -50px;
    animation-delay: 3s;
}

.hero-orb-3 {
    width: 200px;
    height: 200px;
    background: rgba(15, 118, 110, 0.12);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 5s;
}

@keyframes orbFloat {
    0%, 100% { 
        transform: translate(0, 0) scale(1); 
    }
    25% { 
        transform: translate(30px, -30px) scale(1.1); 
    }
    50% { 
        transform: translate(-20px, 20px) scale(0.9); 
    }
    75% { 
        transform: translate(-30px, -20px) scale(1.05); 
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    animation: fadeInUp 0.8s ease-out 0.1s both;
    background: rgba(245, 158, 11, 0.2) !important;
    color: #d97706 !important;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.hero-title {
    animation: fadeInUp 0.8s ease-out 0.2s both;
    color: var(--text-primary);
}

.hero-desc {
    animation: fadeInUp 0.8s ease-out 0.3s both;
    color: var(--text-secondary);
}

.hero-buttons {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons button {
    position: relative;
    overflow: hidden;
}

.hero-buttons button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.hero-buttons button:hover::before {
    left: 100%;
}

.hero-demo {
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero-section > .container {
    position: relative;
    z-index: 1;
}

/* How it works section */
#how-it-works {
    background: linear-gradient(180deg, #F8FAFC 0%, #ECFDF5 100%);
    position: relative;
}

#how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 90%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(15, 118, 110, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

#how-it-works h2 {
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

#how-it-works > .container > .max-w-3xl > p {
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

/* CTA Section */
#cta-section {
    background: linear-gradient(180deg, #F8FAFC 0%, #ECFDF5 100%);
    position: relative;
}

#cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

/* Features Section */
#features {
    background: linear-gradient(180deg, #ECFDF5 0%, #F8FAFC 100%);
}

/* Testimonials Section */
#testimonials {
    background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 100%);
}

/* Cards and UI Elements */
.feature-grid > div,
.testimonial-card,
#how-it-works .bg-white\/10 {
    background: var(--card-bg) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-grid > div:hover,
.testimonial-card:hover,
#how-it-works .bg-white\/10:hover {
    border-color: rgba(16, 185, 129, 0.3) !important;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}

/* Typography */
.feature-grid h3,
.testimonial-card h4,
#how-it-works h3 {
    color: var(--text-primary);
}

.feature-grid p,
.testimonial-card p,
#how-it-works p {
    color: var(--text-secondary);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #10B981 0%, #0F766E 100%);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -5px rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, #059669 0%, #115E59 100%);
}

#cta-button {
    border: none !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Theme Toggle */
.theme-toggle {
    background: rgba(17, 34, 64, 0.85);
    border: 1px solid rgba(20, 184, 166, 0.2);
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: #14B8A6;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.theme-toggle:hover {
    background: linear-gradient(135deg, #14B8A6, #0F766E);
    color: white !important;
    transform: rotate(20deg) scale(1.05);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.4);
}

/* Mobile theme button */
#mobile-menu .theme-toggle {
    border-radius: 0.5rem;
    width: 100%;
    justify-content: flex-start;
    padding-left: 1rem;
}

/* Footer */
footer {
    background: linear-gradient(180deg, #0B1220 0%, #111827 100%);
    border-top: 1px solid rgba(16, 185, 129, 0.2);
}

footer h3 {
    color: var(--text-dark);
}

footer a,
footer p,
footer .text-gray-400 {
    color: #94A3B8;
}

footer a:hover {
    color: #14B8A6;
}

/* Modal */
#signup-modal .bg-slate-900 {
    background: var(--card-bg) !important;
    border: 1px solid rgba(16, 185, 129, 0.15) !important;
}

#signup-modal .text-white {
    color: var(--text-primary) !important;
}

#signup-modal .text-gray-300,
#signup-modal .text-gray-400 {
    color: var(--text-secondary) !important;
}

#signup-modal input {
    background: var(--neutral-bg) !important;
    border-color: rgba(16, 185, 129, 0.2) !important;
    color: var(--text-primary) !important;
}

#signup-modal .bg-slate-800 {
    background: var(--neutral-bg) !important;
}

/* Light Theme */
[data-theme="light"] body {
    background-color: var(--neutral-bg);
    color: var(--text-primary);
}

[data-theme="light"] header {
    background: rgba(248, 250, 252, 0.95) !important;
    border-bottom-color: rgba(16, 185, 129, 0.15) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] header .text-gray-300 {
    color: var(--text-secondary) !important;
}

[data-theme="light"] header .text-teal-400 {
    color: var(--primary-teal) !important;
}

[data-theme="light"] .hero-section {
    background: linear-gradient(180deg, #F8FAFC 0%, #ECFDF5 100%);
}

[data-theme="light"] .hero-section::before {
    background: 
        radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(15, 118, 110, 0.1) 0%, transparent 40%);
}

[data-theme="light"] .hero-orb-1 {
    background: rgba(16, 185, 129, 0.15);
}

[data-theme="light"] .hero-orb-2 {
    background: rgba(245, 158, 11, 0.15);
}

[data-theme="light"] .hero-orb-3 {
    background: rgba(15, 118, 110, 0.12);
}

[data-theme="light"] .hero-title {
    color: var(--text-primary) !important;
}

[data-theme="light"] .hero-desc {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .hero-badge {
    background: rgba(245, 158, 11, 0.2) !important;
    color: #d97706 !important;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

[data-theme="light"] .text-transparent.bg-clip-text {
    background: linear-gradient(135deg, #10B981 0%, #0F766E 50%, #F59E0B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .hero-demo .bg-white\/10 {
    background: rgba(255, 255, 255, 0.95) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
    box-shadow: 0 20px 50px -15px rgba(16, 185, 129, 0.15);
}

[data-theme="light"] .hero-demo .text-white {
    color: var(--text-primary) !important;
}

[data-theme="light"] .hero-demo .text-gray-400 {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .hero-demo .text-gray-500 {
    color: var(--primary-teal) !important;
}

[data-theme="light"] .hero-demo .bg-white\/5 {
    background: rgba(236, 253, 245, 0.8) !important;
    border-color: rgba(16, 185, 129, 0.1) !important;
}

[data-theme="light"] .hero-glow {
    box-shadow: 0 20px 50px -15px rgba(16, 185, 129, 0.25);
}

[data-theme="light"] #features {
    background: linear-gradient(180deg, #ECFDF5 0%, #F8FAFC 100%);
}

[data-theme="light"] #testimonials {
    background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 100%);
}

[data-theme="light"] #features h2,
[data-theme="light"] #how-it-works h2,
[data-theme="light"] #testimonials h2,
[data-theme="light"] #cta-section h2 {
    color: var(--text-primary) !important;
}

[data-theme="light"] #features > .container > .max-w-3xl > p,
[data-theme="light"] #how-it-works > .container > .max-w-3xl > p,
[data-theme="light"] #testimonials > .container > .max-w-3xl > p,
[data-theme="light"] #cta-section p {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .feature-grid > div {
    background: var(--card-bg) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .feature-grid > div:hover {
    border-color: rgba(16, 185, 129, 0.3) !important;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.15);
}

[data-theme="light"] .feature-grid h3 {
    color: var(--text-primary) !important;
}

[data-theme="light"] .feature-grid p {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .testimonial-card {
    background: var(--card-bg) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .testimonial-card h4 {
    color: var(--text-primary) !important;
}

[data-theme="light"] .testimonial-card p {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .testimonial-card .text-gray-400 {
    color: var(--primary-teal) !important;
}

[data-theme="light"] #how-it-works .bg-white\/10 {
    background: rgba(255, 255, 255, 0.9) !important;
    border-color: rgba(16, 185, 129, 0.12) !important;
}

[data-theme="light"] footer {
    background: linear-gradient(180deg, #0B1220 0%, #111827 100%) !important;
    border-top-color: rgba(16, 185, 129, 0.2) !important;
}

[data-theme="light"] footer h3 {
    color: var(--text-dark) !important;
}

[data-theme="light"] footer a,
[data-theme="light"] footer p,
[data-theme="light"] footer .text-gray-400 {
    color: #94A3B8 !important;
}

[data-theme="light"] footer a:hover {
    color: #14B8A6 !important;
}

[data-theme="light"] #cta-section {
    background: linear-gradient(180deg, #F8FAFC 0%, #ECFDF5 100%);
}

[data-theme="light"] #cta-section .text-gray-300 {
    color: var(--text-secondary) !important;
}

[data-theme="light"] #signup-modal .bg-slate-900 {
    background: var(--card-bg) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] #signup-modal .text-white {
    color: var(--text-primary) !important;
}

[data-theme="light"] #signup-modal .text-gray-300,
[data-theme="light"] #signup-modal .text-gray-400 {
    color: var(--text-secondary) !important;
}

[data-theme="light"] #signup-modal input {
    background: var(--neutral-bg) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] #signup-modal input::placeholder {
    color: #94A3B8 !important;
}

[data-theme="light"] #signup-modal .bg-slate-800 {
    background: var(--neutral-bg) !important;
}

[data-theme="light"] .border-t.border-gray-700 {
    border-color: rgba(16, 185, 129, 0.15) !important;
}

[data-theme="light"] .border-white\/10,
[data-theme="light"] .border-white\/20 {
    border-color: rgba(16, 185, 129, 0.12) !important;
}

[data-theme="light"] .border-gray-700 {
    border-color: rgba(16, 185, 129, 0.15) !important;
}

/* Theme-independent link improvements */
[data-theme="light"] a:not(.btn-primary):not(.theme-toggle) {
    color: var(--text-secondary);
}

[data-theme="light"] a:not(.btn-primary):not(.theme-toggle):hover {
    color: var(--primary-teal);
}

/* Dark Theme */
[data-theme="dark"] body {
    background-color: var(--dark-bg);
    color: var(--text-dark);
}

[data-theme="dark"] header {
    background: rgba(11, 18, 32, 0.9) !important;
    border-bottom-color: rgba(16, 185, 129, 0.15) !important;
}

[data-theme="dark"] header .text-gray-300 {
    color: #94A3B8 !important;
}

[data-theme="dark"] header .text-teal-400 {
    color: #14B8A6 !important;
}

[data-theme="dark"] .hero-section {
    background: linear-gradient(180deg, #0B1220 0%, #111827 100%);
}

[data-theme="dark"] .hero-section::before {
    background: 
        radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.12) 0%, transparent 40%);
}

[data-theme="dark"] .hero-orb-1 {
    background: rgba(16, 185, 129, 0.2);
}

[data-theme="dark"] .hero-orb-2 {
    background: rgba(245, 158, 11, 0.18);
}

[data-theme="dark"] .hero-orb-3 {
    background: rgba(15, 118, 110, 0.15);
}

[data-theme="dark"] .hero-title {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .hero-desc {
    color: #94A3B8 !important;
}

[data-theme="dark"] .hero-badge {
    background: rgba(16, 185, 129, 0.2) !important;
    color: #34D399 !important;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .text-transparent.bg-clip-text {
    background: linear-gradient(135deg, #34D399 0%, #14B8A6 50%, #F59E0B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .hero-demo .bg-white\/10 {
    background: rgba(17, 24, 39, 0.7) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
}

[data-theme="dark"] .hero-demo .text-white {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .hero-demo .text-gray-400 {
    color: #94A3B8 !important;
}

[data-theme="dark"] .hero-demo .bg-white\/5 {
    background: rgba(31, 41, 55, 0.5) !important;
}

[data-theme="dark"] .hero-glow {
    box-shadow: 0 20px 50px -15px rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] #features {
    background: linear-gradient(180deg, #0B1220 0%, #111827 100%);
}

[data-theme="dark"] #testimonials {
    background: linear-gradient(180deg, #111827 0%, #0B1220 100%);
}

[data-theme="dark"] .feature-grid > div {
    background: rgba(17, 24, 39, 0.8) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
}

[data-theme="dark"] .feature-grid > div:hover {
    border-color: rgba(16, 185, 129, 0.35) !important;
}

[data-theme="dark"] .testimonial-card {
    background: rgba(17, 24, 39, 0.8) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
}

[data-theme="dark"] #how-it-works {
    background: linear-gradient(180deg, #0B1220 0%, #111827 100%) !important;
}

[data-theme="dark"] #how-it-works::before {
    background: 
        radial-gradient(circle at 10% 90%, rgba(16, 185, 129, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(245, 158, 11, 0.12) 0%, transparent 40%);
}

[data-theme="dark"] #how-it-works h2 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] #how-it-works > .container > .max-w-3xl > p {
    color: #94A3B8 !important;
}

[data-theme="dark"] #how-it-works .bg-white\/10 {
    background: rgba(17, 24, 39, 0.7) !important;
    border-color: rgba(16, 185, 129, 0.15) !important;
}

[data-theme="dark"] #features h2 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] #features > .container > .max-w-3xl > p {
    color: #94A3B8 !important;
}

[data-theme="dark"] .feature-grid h3 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .feature-grid p {
    color: #94A3B8 !important;
}

[data-theme="dark"] #how-it-works h3 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] #how-it-works p {
    color: #94A3B8 !important;
}

[data-theme="dark"] #testimonials h2 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] #testimonials > .container > .max-w-3xl > p {
    color: #94A3B8 !important;
}

[data-theme="dark"] #cta-section h2 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] #cta-section p {
    color: #94A3B8 !important;
}

[data-theme="dark"] footer {
    background: #111827 !important;
    border-top-color: rgba(16, 185, 129, 0.2) !important;
}

[data-theme="dark"] #cta-section {
    background: linear-gradient(135deg, #111827 0%, #0B1220 100%);
}

[data-theme="dark"] #signup-modal .bg-slate-900 {
    background: var(--dark-card) !important;
    border-color: rgba(16, 185, 129, 0.2) !important;
}

[data-theme="dark"] #signup-modal input {
    background: var(--dark-bg) !important;
    border-color: rgba(16, 185, 129, 0.2) !important;
    color: var(--text-dark) !important;
}

[data-theme="dark"] #signup-modal .bg-slate-800 {
    background: var(--dark-bg) !important;
}

[data-theme="dark"] a:not(.btn-primary):not(.theme-toggle) {
    color: #94A3B8;
}

[data-theme="dark"] a:not(.btn-primary):not(.theme-toggle):hover {
    color: #14B8A6;
}

/* Success Animation Checkmark */
.success-animation-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #fff;
    stroke-miterlimit: 10;
    margin: 10% auto;
    box-shadow: inset 0px 0px 0px #10B981;
    animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;
}

.checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #10B981;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.4s forwards;
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes scale {
    0%, 100% {
        transform: none;
    }
    50% {
        transform: scale3d(1.1, 1.1, 1);
    }
}

@keyframes fill {
    100% {
        box-shadow: inset 0px 0px 0px 30px #10B981;
    }
}