/* =========================
   1. CSS Variables & Reset
   ========================= */
:root {
    /* Primary colors - keeping blue for CTAs */
    --color-primary: #FFFFFF;
    --color-primary-dark: #F8F272;
    --color-primary-light: #60a5fa;
    
    /* Monochrome colors - darker palette */
    --color-text: #03191E;
    --color-text-light: #03191E;
    --color-background: #E5D9CA;
    --color-background-light: #F2EADF;
    --color-surface: #03191E;
    --color-surface-dark: #090302;
    --color-border: #27272a;
    --color-border-light: #3f3f46;
    --color-border-accent: #9A9288;
    --color-black: #000000;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 2px 4px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 15px rgba(37, 99, 235, 0.15);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--color-text-light);
    background-color: var(--color-background);
}

/* =========================
   2. Typography & Base Elements
   ========================= */
h1, h2, h3 {
    font-family: 'IBM Plex Mono', monospace;
    color: var(--color-text);
    line-height: 1.2;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-light);
}

h1 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 3.5rem;
    line-height: 1em;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    background: none;
    background-clip: unset;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

p{
    margin-bottom: 1rem;
}

/* =========================
   3. Navigation/Header
   ========================= */
header {
    padding: 1.5rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

header.scrolled .nav-bar {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    z-index: 1000;
    background: none;
}

.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0.5rem 1rem;
    border: 1.5px solid rgba(154, 146, 136, 0.2);
    border-radius: 56px;
    background: none;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: backdrop-filter 0.3s ease, -webkit-backdrop-filter 0.3s ease;
}

.nav-logo img {
    height: 24px;
    display: block;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link, .nav-link-primary {
    color: var(--color-primary);
}

.nav-link:hover {
    color: var(--color-primary-dark);
}

.nav-link-primary {
    background: var(--color-text);
    border-radius: 1.5rem;
    padding: 0.5rem 1.25rem;
    font-weight: 600;
    margin-left: 0.5rem;
    transition: background 0.2s, color 0.2s;
}

.nav-link-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-text);
}

/* Logo switching for mobile */
.logo-icon { display: none !important; }
.logo-full { display: inline; }

@media (max-width: 768px) {
  .nav-logo .logo-icon { display: inline !important; }
  .nav-logo .logo-full { display: none !important; }
}

/* =========================
   4. Buttons
   ========================= */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 3rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text);
    box-shadow: var(--shadow-glow), var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-text);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-text {
    color: var(--color-text-light);
}

.btn-text:hover {
    color: var(--color-text);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* =========================
   5. Layout/Grid
   ========================= */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 0;
    min-height: 100vh;
    overflow: hidden;
}

#hero {
    grid-column: 1 / 2;
    align-self: start;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
    position: relative;
    overflow: hidden;
}

#hero .container {
    max-width: none;
    width: 100%;
    padding-left: 2rem;
    padding-right: 2rem;
}

.right-column {
    grid-column: 2 / 3;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    justify-content: flex-start;
    padding-left: 0;
    padding-right: 0;
    padding-top: 4.5rem;
    background-color: var(--color-surface);
}

.right-column > section,
.right-column > footer {
    width: 100%;
    padding-left: 2.5rem;
    padding-right: 2.5rem;
}
.right-column > section.features {
    padding: 0;
}

@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
    #hero, .right-column {
        grid-column: 1 / 2;
        min-height: unset;
    }
    .nav-link:not(.nav-link-primary) {
        color: var(--color-black) !important;
    }
    #hero h1 {
        padding-top: 5.5rem;
    }
}

/* Ensure header stays above grid and full width */
header {
    grid-column: 1 / -1;
    width: 100vw;
    left: 0;
    right: 0;
}

@media (min-width: 1025px) {
    .right-column {
        margin-left: auto;
        margin-right: 0;
        padding-top: 4.5rem;
    }
    #hero h1 {
        padding-top: 20vh;
    }
    .right-column h2 {
        padding-top: 10vh;
        text-transform: uppercase;
        font-size: 1.1rem;
        color: var(--color-background);
        letter-spacing: 0.05em;
        margin-bottom: 1.5rem;
        text-align: left;
        font-weight: 400;
    }
    .nav-bar {
        max-width: none;
    }
}

.right-column h2 {
    text-transform: uppercase;
    font-size: 1.1rem;
    color: var(--color-background);
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    text-align: left;
    font-weight: 400;
}

/* =========================
   6. Hero Section
   ========================= */
#hero {
    width: 100%;
    padding: 2.5rem 2.5rem 0 2.5rem;
    background: var(--color-background);
    position: relative;
    overflow: hidden;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    margin: 0 auto;
    min-height: 100vh;
    height: 100%;
    justify-content: stretch;
    padding-top: 4.5rem;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    width: 100%;
    max-width: 840px;
    position: relative;
    z-index: 2;
}

.hero-image {
    align-self: flex-end;
    position: relative;
    z-index: 2;
    background-color: #111827;
}

.hero-image {
    width: 75%;
    height: 500px;
    position: relative;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 1rem 1rem 0 0;
    border: 8px solid var(--color-border-accent);
    border-bottom: none;
    box-shadow: 0 12px 48px 0 rgba(0,0,0,0.45), 0 2px 8px 0 rgba(0,0,0,0.18);
}

.hero-image picture {
    overflow: visible;
}

.hero-image img {
    width: 100%;
    height: 120%;
    object-fit: cover;
    object-position: left top;
    box-shadow: 0 20px 40px var(--color-black), var(--shadow-glow);
    position: absolute;
    top: 0;
    left: 0;
    transform: translateY(0);
    transition: transform 0.1s linear;
    overflow: visible;
}

@media (prefers-reduced-motion: no-preference) {
    .hero-image img {
        transform: translateY(calc(var(--scroll-offset, 0) * -0.1px));
        will-change: transform;
    }
}

/* Tablet breakpoint */
@media (min-width: 768px) and (prefers-reduced-motion: no-preference) {
    .hero-image img {
        transform: translateY(calc(var(--scroll-offset, 0) * -0.1px));
    }
}

/* Desktop breakpoint */
@media (min-width: 1024px) and (prefers-reduced-motion: no-preference) {
    .hero-image img {
        transform: translateY(calc(var(--scroll-offset, 0) * -0.4px));
    }
}

.tagline {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    margin-left: auto;
    margin-right: auto;
}

/* =========================
   7. Features/Accordion
   ========================= */
.features {
    padding: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

/* Accordion styles for features section */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
    text-align: left;
    padding: 0;
    margin: 0;
}

.accordion-item {
    background: #090302;
    border-radius: 0;
    border: 1px solid var(--color-border);
    box-shadow: none;
    overflow: hidden;
    transition: box-shadow 0.2s;
    margin: 0;
    padding: 0;
}

.accordion-header {
    width: 100%;
    background: #090302;
    border: none;
    outline: none;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem 1.5rem 2.5rem;
    cursor: pointer;
    transition: background 0.2s;
    text-align: left;
    justify-content: flex-start;
    margin: 0;
    position: relative;
}

.accordion-header[aria-expanded="true"] {
    background: #03191E;
    color: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0rem;
    padding: 2rem 2rem 0rem 2.5rem;
}

.accordion-header .feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    transition: width 0.2s, height 0.2s, margin-bottom 0.2s;
}

.accordion-header[aria-expanded="true"] .feature-icon {
    width: 6rem;
    height: 6rem;
    margin-bottom: 1rem;
}

.accordion-header .feature-icon svg {
    color: var(--color-primary-dark);
    stroke: var(--color-primary-dark);
}

.accordion-panel {
    text-align: left;
    padding: 0 2.5rem 2rem 2.5rem;
    color: var(--color-background);
    background: #03191E;
    animation: accordion-fade-in 0.3s;
    margin: 0;
}

@keyframes accordion-fade-in {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.accordion-expand-icon {
    margin-left: auto;
    display: flex;
    align-items: center;
    transition: transform 0.2s;
}

.accordion-header[aria-expanded="true"] .accordion-expand-icon {
    opacity: 0;
    pointer-events: none;
    transform: rotate(180deg);
}

.accordion-header[aria-expanded="false"] .accordion-expand-icon {
    opacity: 1;
    pointer-events: auto;
    transform: rotate(0deg);
}

.accordion-expand-icon svg path {
    stroke: var(--color-primary);
}

/* Remove old feature card/grid styles if not used elsewhere */
.features-grid, .feature-card { display: none !important; }

/* =========================
   8. Signup
   ========================= */
.signup {
    padding: 6rem 0;
    background: linear-gradient(to top, var(--color-background), var(--color-background-light));
}

.signup-box {
    width: 100%;
    margin: 0 auto;
    text-align: left;
}

.signup-form {
    margin-top: 2rem;
}

.form-group {
    display: flex;
    gap: 1rem;
    width: 100%;
    max-width: min(500px, 90%);
    margin: 0 auto;
}

.embedForm div {
    padding: 0 !important;
}

input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: 0.375rem;
    font-size: 1rem;
    outline: none;
    transition: all 0.2s ease;
    background: var(--color-background);
    color: var(--color-text);
}

input[type="email"]:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

input[type="email"]::placeholder {
    color: var(--color-text-light);
}

/* =========================
   9. Footer
   ========================= */
footer {
    padding: 2rem 2rem;
    background: var(--color-surface-dark);
    text-align: left;
    color: var(--color-background);
    border-top: 1px solid var(--color-border);
    font-size: 0.95rem;
    flex-grow: 1;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

/* =========================
   10. Media Queries
   ========================= */
@media (min-width: 1536px) {
    h1 {
        font-size: 4rem;
    }
    h2 {
        font-size: 3rem;
    }
    h3 {
        font-size: 1.875rem;
    }
    .tagline {
        font-size: 1rem;
    }
    .btn-large {
        padding: 1.25rem 2.5rem;
        font-size: 1rem;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .hero-image img {
        transform: translateY(calc(var(--scroll-offset, 0) * -0.1px));
        will-change: transform;
    }
}

@media (min-width: 768px) and (prefers-reduced-motion: no-preference) {
    .hero-image img {
        transform: translateY(calc(var(--scroll-offset, 0) * -0.1px));
    }
}

@media (min-width: 1024px) and (prefers-reduced-motion: no-preference) {
    .hero-image img {
        transform: translateY(calc(var(--scroll-offset, 0) * -0.4px));
    }
}

@media (max-width: 768px) {
    #hero {
        padding: 1.25rem 1rem 0 1rem;
    }
    #hero h1 {
        padding-top: 5.5rem;
    }
    .hero-content {
        padding-left: 0;
        padding-right: 0;
        padding: 0;
    }
    .hero-image {
        width: 100%;
        height: 260px;
    }
    .right-column {
        padding-top: 0;
    }
    .nav-link:not(.nav-link-primary) {
        color: var(--color-black) !important;
    }
    .nav-logo .logo-icon {
        vertical-align: middle;
        display: inline-block !important;
    }
    p {
        font-size: 0.875rem;
    }
    .btn {
        font-size: 0.875rem;
    }
    .tagline {
        font-size: 0.875rem;
    }
    .nav-link, .nav-link-primary {
        font-size: 0.875rem;
    }
    .accordion-header {
        font-size: 1rem;
    }
    footer, footer p {
        font-size: 0.75rem;
    }
    header.scrolled .nav-bar {
        background-color: rgba(229, 217, 202, 0.7);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0;
    }
    h1 {
        font-size: 2rem;
    }
    .nav-links {
        gap: 1rem;
    }
    .feature-card {
        padding: 1.5rem;
    }
}

@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
    #hero, .right-column {
        grid-column: 1 / 2;
        min-height: unset;
    }
}

@media (min-width: 1025px) {
    .right-column {
        margin-left: auto;
        margin-right: 0;
        padding-top: 4.5rem;
    }
    #hero h1 {
        padding-top: 20vh;
    }
    .right-column h2 {
        padding-top: 10vh;
        text-transform: uppercase;
        font-size: 1.1rem;
        color: var(--color-background);
        letter-spacing: 0.05em;
        margin-bottom: 1.5rem;
        text-align: left;
        font-weight: 400;
    }
    .nav-bar {
        max-width: none;
    }
}

.feature-icon .ph {
    color: var(--color-primary-dark);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.accordion-header[aria-expanded="true"] .feature-icon .ph {
    font-size: 6rem;
}