html {
    height: 100vh;
}

body {
    background: #fff;
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: #000;
    overflow-x: hidden;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

::-webkit-scrollbar {
    display: none;
}

/* =============================================
   LANDING SCREEN
   ============================================= */

.landing-screen {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #fff;
    z-index: 100;
}

/* Subtle animated grain texture overlay */
.landing-screen::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.025'/%3E%3C/svg%3E");
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

/* Navigation Bar */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 3rem;
    z-index: 50;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
    color: #111827;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.landing-logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.landing-nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.landing-nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: #4b5563;
    transition: color 0.2s;
    text-decoration: none;
}

.landing-nav-links a:hover {
    color: #111827;
}

.landing-nav-cta {
    background: #111827;
    color: white !important;
    padding: 0.6rem 1.5rem;
    border-radius: 9999px;
    border: none;
    transition: transform 0.2s, background 0.2s;
    font-size: 14px !important;
    font-weight: 600 !important;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.landing-nav-cta:hover {
    background: #1a1a1a !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Hero Content */
.landing-content {
    position: relative;
    z-index: 5;
    text-align: center;
    max-width: 860px;
    padding: 0 24px;
}

/* Pill Badge */
.landing-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px 6px 8px;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(8px);
    font-size: 13px;
    font-weight: 500;
    color: #4b5563;
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeSlideUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.landing-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: pulse-dot 2s ease-in-out infinite;
}

/* Main Headline */
.landing-headline {
    font-size: clamp(40px, 7vw, 80px);
    font-weight: 300;
    letter-spacing: -2.5px;
    line-height: 1.05;
    color: #0a0a0a;
    margin: 0 0 24px 0;
}

.landing-headline .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(40px) rotateX(15deg);
    animation: wordReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.landing-headline .word:nth-child(1) { animation-delay: 0.4s; }
.landing-headline .word:nth-child(2) { animation-delay: 0.5s; }
.landing-headline .word:nth-child(3) { animation-delay: 0.6s; }
.landing-headline .word:nth-child(4) { animation-delay: 0.7s; }
.landing-headline .word:nth-child(5) { animation-delay: 0.8s; }
.landing-headline .word:nth-child(6) { animation-delay: 0.9s; }

.landing-headline em {
    font-style: normal;
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 400;
}

/* Subheadline */
.landing-sub {
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 400;
    color: #6b7280;
    line-height: 1.6;
    max-width: 560px;
    margin: 0 auto 48px auto;
    opacity: 0;
    animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1s forwards;
}

/* CTA Buttons */
.landing-cta-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.15s forwards;
}

.landing-btn-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: #0a0a0a;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 999px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
    overflow: hidden;
}

.landing-btn-primary::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 999px;
    background: linear-gradient(45deg, #6366f1, #a855f7, #ec4899, #6366f1);
    background-size: 300%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: glowing 4s linear infinite;
    filter: blur(8px);
}

.landing-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.25);
}

.landing-btn-primary:hover::before {
    opacity: 1;
}

.landing-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: transparent;
    color: #374151;
    font-size: 15px;
    font-weight: 500;
    border-radius: 999px;
    text-decoration: none;
    border: 1px solid #e5e7eb;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.landing-btn-secondary:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-1px);
}

/* Floating Orbs */
.landing-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0;
    animation: orbFloat 8s ease-in-out infinite, fadeIn 1.5s ease 0.5s forwards;
    pointer-events: none;
    z-index: 1;
}

.landing-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.landing-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.12), transparent 70%);
    bottom: -5%;
    left: -8%;
    animation-delay: 3s;
}

.landing-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.08), transparent 70%);
    top: 40%;
    left: 50%;
    animation-delay: 5s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
    opacity: 0;
    animation: fadeIn 1s ease 1.8s forwards;
}

.scroll-indicator span {
    font-size: 12px;
    font-weight: 500;
    color: #9ca3af;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 32px;
    border: 2px solid #d1d5db;
    border-radius: 999px;
    position: relative;
}

.scroll-arrow::after {
    content: "";
    position: absolute;
    width: 4px;
    height: 8px;
    background: #9ca3af;
    border-radius: 999px;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 1.5s ease-in-out infinite;
}

/* Horizontal Line Accents */
.landing-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e5e7eb, transparent);
    z-index: 2;
    opacity: 0;
    animation: lineExpand 1.2s cubic-bezier(0.16, 1, 0.3, 1) 1.4s forwards;
}

.landing-line-top {
    top: 35%;
    left: 5%;
    right: 5%;
}

.landing-line-bottom {
    bottom: 35%;
    left: 5%;
    right: 5%;
}

/* =============================================
   KEYFRAMES
   ============================================= */

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeSlideDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes wordReveal {
    from {
        opacity: 0;
        transform: translateY(40px) rotateX(15deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
    }
}

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

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(15px, -20px); }
    50% { transform: translate(-10px, 15px); }
    75% { transform: translate(20px, 10px); }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}

@keyframes scrollBounce {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 16px; opacity: 0.3; }
}

@keyframes lineExpand {
    from {
        opacity: 0;
        transform: scaleX(0);
    }
    to {
        opacity: 1;
        transform: scaleX(1);
    }
}

@keyframes glowing {
    0% { background-position: 0 0; }
    50% { background-position: 100% 0; }
    100% { background-position: 0 0; }
}

@keyframes floatGlow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -60px) scale(1.1); }
    66% { transform: translate(-30px, 30px) scale(0.9); }
}

.animate-glow {
    animation: floatGlow 15s ease-in-out infinite;
}

/* =============================================
   EXISTING SECTIONS
   ============================================= */

.animation-container {
    height: 500vh;
    width: 100%;
}

canvas {
    width: 100%;
    height: 100vh;
}

@media (max-width: 768px) {
    [data-purpose="hero-inner-card"] {
        aspect-ratio: auto;
        padding: 80px 20px;
    }

    .landing-nav {
        padding: 16px 20px;
    }

    .landing-nav-links a:not(.landing-nav-cta) {
        display: none;
    }

    .landing-cta-row {
        flex-direction: column;
    }
}

/* Gradient Glow Effect for Button */
.btn-glow::before {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: 14px;
    background: linear-gradient(45deg, #ff007f, #7f00ff, #00d4ff, #ff007f);
    background-size: 300%;
    z-index: -1;
    filter: blur(12px);
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.btn-glow:hover::before {
    opacity: 0.8;
    animation: glowing 3s linear infinite;
}

/* =============================================
   DISPLAY CARDS — Stacked Skewed Layout
   ============================================= */

.display-cards-stack {
    display: grid;
    grid-template-areas: "stack";
    place-items: center;
    min-height: 500px;
    perspective: 1200px;
}

.display-card {
    grid-area: stack;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    width: 32rem;
    max-width: 90vw;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(0,0,0,0.06);
    background: #fff;
    color: #111;
    transform: skewY(-8deg);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

/* Lowkey Ethereal overlay for inactive cards */
.display-card-overlay {
    position: absolute;
    inset: 0;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(251, 207, 232, 0.6) 0%, rgba(233, 213, 255, 0.6) 50%, rgba(186, 230, 253, 0.6) 100%);
    transition: opacity 0.5s ease;
    z-index: 2;
    pointer-events: none;
}

/* Card 1: back — starts stacked, JS lifts it */
.display-card-1 {
    z-index: 1;
    transform: skewY(-8deg) translateX(-120px) translateY(-75px);
}

/* Card 2: middle */
.display-card-2 {
    z-index: 2;
    transform: skewY(-8deg) translateX(0px) translateY(0px);
}

/* Card 3: front */
.display-card-3 {
    z-index: 3;
    transform: skewY(-8deg) translateX(120px) translateY(75px);
}

.display-card code {
    background: rgba(99, 102, 241, 0.08);
    color: #4f46e5;
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 14px;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .display-cards-stack {
        transform: scale(0.65);
        transform-origin: center center;
    }
}

/* Input Gradient Focus Effect */
.input-gradient-focus {
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.input-gradient-focus::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    background: linear-gradient(135deg, #ffcce6 0%, #cce0ff 25%, #ffcce6 50%, #cce0ff 75%, #ffcce6 100%);
    background-size: 400% 400%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* Apply the border and shadow when focused or when keep-gradient is added via JS, or when autofilled */
.input-gradient-focus:focus-within,
.input-gradient-focus.keep-gradient,
.input-gradient-focus:has(input:-webkit-autofill) {
    border-color: #3b82f6 !important; /* Tailwind blue-500 */
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.input-gradient-focus:focus-within::before,
.input-gradient-focus.keep-gradient::before,
.input-gradient-focus:has(input:-webkit-autofill)::before {
    opacity: 1;
}

/* Remove the browser autofill solid background so our gradient shows through */
.input-gradient-focus input:-webkit-autofill,
.input-gradient-focus input:-webkit-autofill:hover, 
.input-gradient-focus input:-webkit-autofill:focus, 
.input-gradient-focus input:-webkit-autofill:active {
    transition: background-color 5000s ease-in-out 0s;
    -webkit-text-fill-color: #111827 !important;
}

/* Explicit class to trigger animation */
.input-gradient-focus.play-gradient-once::before {
    opacity: 1;
    animation: gradientShiftOnce 1.5s ease-out forwards;
}

.input-gradient-focus.play-gradient-out::before {
    animation: gradientShiftOutGoogle 1.5s ease-in forwards;
}

@keyframes gradientShiftOnce {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

/* Google Button Gradient Hover */
.google-btn {
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: border-color 0.3s ease;
}

.google-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(135deg, #ffcce6 0%, #cce0ff 25%, #ffcce6 50%, #cce0ff 75%, #ffcce6 100%);
    background-size: 400% 400%;
    opacity: 0;
}

.google-btn.gradient-in {
    border-color: #3b82f6 !important; /* Blue border on hover */
}

.google-btn.gradient-in::before {
    opacity: 1;
    animation: gradientShiftOnce 1.5s ease-out forwards;
}

.google-btn.gradient-out::before {
    animation: gradientShiftOutGoogle 1.5s ease-in forwards;
}

@keyframes gradientShiftOutGoogle {
    0% { background-position: 100% 50%; opacity: 1; }
    100% { background-position: 0% 50%; opacity: 0; }
}

/* Checkbox Checkmark Draw Animation */
.checkmark-draw polyline {
    stroke-dasharray: 24;
    stroke-dashoffset: 24;
    transition: stroke-dashoffset 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

input:checked ~ div .checkmark-draw polyline {
    stroke-dashoffset: 0;
    transition-delay: 0.15s;
}
/* Modal Animations */
@keyframes fadeSlideIn {
  from { opacity: 0; filter: blur(4px); transform: translateY(10px); }
  to { opacity: 1; filter: blur(0px); transform: translateY(0px); }
}

@keyframes slideRightIn {
  from { opacity: 0; filter: blur(4px); transform: translateX(-20px); }
  to { opacity: 1; filter: blur(0px); transform: translateX(0px); }
}

@keyframes testimonialIn {
  from { opacity: 0; filter: blur(4px); transform: translateY(20px) scale(0.95); }
  to { opacity: 1; filter: blur(0px); transform: translateY(0px) scale(1); }
}

.animate-element {
    opacity: 0;
}

/* We will apply animations dynamically when modal opens, or rely on animation-delay if we inject them */
.modal-active .animate-element {
    animation: fadeSlideIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-slide-right {
    opacity: 0;
}

.modal-active .animate-slide-right {
    animation: slideRightIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-testimonial {
    opacity: 0;
}

.modal-active .animate-testimonial {
    animation: testimonialIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-delay-100 { animation-delay: 100ms; }
.animate-delay-200 { animation-delay: 200ms; }
.animate-delay-300 { animation-delay: 300ms; }
.animate-delay-400 { animation-delay: 400ms; }
.animate-delay-500 { animation-delay: 500ms; }
.animate-delay-600 { animation-delay: 600ms; }
.animate-delay-700 { animation-delay: 700ms; }
.animate-delay-800 { animation-delay: 800ms; }
.animate-delay-900 { animation-delay: 900ms; }
.animate-delay-1000 { animation-delay: 1000ms; }
.animate-delay-1200 { animation-delay: 1200ms; }
.animate-delay-1400 { animation-delay: 1400ms; }