/* CSS Custom Properties */
:root {
    /* Colors */
    --color-white: #fff;
    --color-grey: #c4c4c4;
    --color-yellow: #ffc950;
    --color-pink: #d49cb1;
    --color-blue: #3a57a0;
    --color-black: #111;
    --color-panel-bg: #9da1ad;
    --color-red: #873c1e;

    /* Typography - Using Adobe Fonts (din-2014) */
    --font-family: 'din-2014', sans-serif;
    --font-weight-bold: 900;
    --font-weight-regular: 400;

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.4s ease;
}

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

/* Hide scrollbars globally while maintaining scroll functionality */
* {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

*::-webkit-scrollbar {
    display: none;  /* Chrome, Safari, Opera */
}

/* Preloader Styles */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-grey);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.preloader-logo {
    width: 120px;
    height: auto;
    animation: preloader-pulse 1.5s ease-in-out infinite;
}

@keyframes preloader-pulse {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
}

/* Hide content while loading */
body.loading .marquee-banner,
body.loading #background-video,
body.loading .main-nav,
body.loading .logo,
body.loading .slide-panel,
body.loading .close-btn {
    opacity: 0;
}

/* Show content after loading */
body:not(.loading) .marquee-banner,
body:not(.loading) #background-video,
body:not(.loading) .main-nav,
body:not(.loading) .logo {
    opacity: 1;
    transition: opacity 0.6s ease;
}

/* Text Selection */
::selection {
    background-color: var(--color-pink);
    color: var(--color-white);
}

::-moz-selection {
    background-color: var(--color-pink);
    color: var(--color-white);
}

/* Base Styles */
body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    font-style: italic;
    color: var(--color-white);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Background Video */
#background-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

/* Navigation */
.main-nav {
    position: fixed;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 40;
    min-width: 300px;
}

.main-nav ul {
    list-style: none;
    text-align: left;
    padding: 0;
}

.main-nav li {
    margin: 0vh 0;
}

.main-nav a {
    color: var(--color-grey);
    text-decoration: none;
    font-size: 4vw;
    font-size: max(90px, 5vw);

    letter-spacing: 20px;
    line-height: 0.95;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-pink);
}

.main-nav a:hover::before,
.main-nav a.active::before {
    content: '/';
}

.main-nav a:hover::after,
.main-nav a.active::after {
    content: '   ';
}

/* Mobile Navigation */
@media screen and (max-width: 768px) {
    .main-nav {
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        min-width: auto;
        width: auto;
    }

    .main-nav ul {
        text-align: center;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;
    }

    .main-nav li {
        display: block;
    }

    .main-nav a {
        font-size: max(70px, 3vw);
        letter-spacing: 3px;
    }

    .logo {
        bottom: 40px;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .logo img {
        margin: 0 auto;
    }

    /* Hide logo on mobile when panel is active */
    .slide-panel.active ~ .logo {
        display: none;
    }
}

/* Logo */
.logo {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 100;
}

.logo img,
.logo svg {
    display: block;
    width: 120px;
    height: auto;
}

/* Sliding Panel */
.slide-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-panel-bg);
    transform: translateX(-100%);
    transition: transform var(--transition-medium);
    z-index: 50;
    overflow-y: auto;
}

.slide-panel.active {
    transform: translateX(0);
}

/* Close Button */
.close-btn {
    position: fixed;
    top: 40px;
    right: 40px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 100;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.close-btn.active {
    opacity: 1;
    pointer-events: auto;
}

/* X button lines */
.close-btn::before,
.close-btn::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 4px;
    background-color: var(--color-black);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.close-btn::before {
    transform: rotate(0deg) translateY(-10px);
    opacity: 0;
}

.close-btn::after {
    transform: rotate(0deg) translateY(10px);
    opacity: 0;
}

.close-btn.active::before {
    transform: rotate(45deg) translateY(0);
    opacity: 1;
}

.close-btn.active::after {
    transform: rotate(-45deg) translateY(0);
    opacity: 1;
}

.close-btn:hover {
    transform: scale(1.1);
}

.close-btn:hover::before,
.close-btn:hover::after {
    background-color: var(--color-blue);
}

/* Panel Content */
.panel-content {
    max-width: 600px;
    margin: 0 auto;
    padding: 100px 40px 60px;
}

.panel-content h1 {
    font-family: var(--font-family);
    font-weight: 900;
    font-style: italic;
    color: var(--color-black);
    font-size: 52px;
    margin-bottom: 10px;
    width: 100%;
    letter-spacing: 4px;
}

.panel-content h2 {
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    font-style: italic;
    color: var(--color-black);
    font-size: 21px;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-decoration: underline;
}

/* Contact Form */
#contact-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

#waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    color: var(--color-black);
    font-size: 14px;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    background-color: transparent;
    border: 1px solid var(--color-black);
    color: var(--color-black);
    padding: 8px 8px;
    font-size: 16px;
    letter-spacing: 0.5px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Custom Checkbox Styles */
.checkbox-group {
    margin: 8px 0 0 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 12px;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-black);
    background-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background-color: var(--color-blue);
    border-color: var(--color-blue);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid var(--color-panel-bg);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.checkbox-text {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    color: var(--color-black);
    font-size: 14px;
    letter-spacing: 1px;
}

/* Tooltip Styles */
.tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
}

.tooltip-icon {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    font-style: normal;
    font-size: 11px;
    color: var(--color-black);
    cursor: default;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.tooltip-icon:hover {
    background-color: var(--color-blue);
    border-color: var(--color-blue);
    color: var(--color-white);
}

.tooltip-text {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 8px 12px;
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    font-size: 12px;
    letter-spacing: 0.5px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 1000;
}

.tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--color-black);
}

.tooltip:hover .tooltip-text {
    opacity: 1;
}

/* Serial Number Grid */
.serial-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 8px;
    margin-top: 16px;
}

.serial-item {
    position: relative;
    cursor: pointer;
}

.serial-item input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.serial-number {
    display: block;
    padding: 8px 4px;
    border: 1px solid var(--color-black);
    background-color: transparent;
    color: var(--color-black);
    text-align: center;
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    font-size: 12px;
    letter-spacing: 0.5px;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.serial-item input[type="radio"]:checked + .serial-number {
    background-color: var(--color-blue);
    border-color: var(--color-blue);
    color: var(--color-panel-bg);
}

.serial-item:hover .serial-number {
    border-color: var(--color-blue);
}

.serial-item--disabled {
    cursor: not-allowed;
}

.serial-item--disabled .serial-number {
    background-color: rgba(17, 17, 17, 0.1);
    color: rgba(17, 17, 17, 0.3);
    border-color: rgba(17, 17, 17, 0.2);
}

.serial-item--disabled:hover .serial-number {
    border-color: rgba(17, 17, 17, 0.2);
}

/* Responsive serial grid for mobile */
@media screen and (max-width: 768px) {
    .serial-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 6px;
    }

    .serial-number {
        padding: 6px 2px;
        font-size: 11px;
    }

    .form-row {
        flex-direction: column;
        gap: 24px;
    }
}

/* Unified Button Styles */
.btn {
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    font-style: italic;
    background-color: transparent;
    border: 1px solid var(--color-black);
    color: var(--color-black);
    padding: 14px 32px;
    font-size: 18px;
    letter-spacing: 2px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

/* Default hover: outline style (blue border and text) */
.btn:hover {
    border-color: var(--color-blue);
    background: var(--color-blue);
    color: var(--color-grey);
}

/* Small button variant */
.btn.btn--small {
    font-size: 16px;
    padding: 12px 24px;
}

/* Balsam Panel Styles */
.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    margin-bottom: 40px;
    overflow: hidden;
}

.video-container iframe,
.video-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    object-fit: cover;
}

.tagline {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    color: var(--color-black);
    font-size: 16px;
    letter-spacing: 1px;
    margin-bottom: 40px;
}

.spec-sheet {
    display: flex;
    flex-direction: column;
    margin-bottom: 40px;
}

.spec-item {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    color: var(--color-black);
    font-size: 14px;
    letter-spacing: 1px;
    padding: 1px 0;
}


/* About Panel Styles */
.about-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-content p {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    color: var(--color-black);
    font-size: 16px;
    letter-spacing: 0.5px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 16px;
}


/* Scrolling Marquee Banner */
.marquee-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background-color: transparent;
    overflow: hidden;
    z-index: 30;
    display: flex;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
}

.marquee-content {
    display: flex;
    white-space: nowrap;
    animation: marquee-scroll 20s linear infinite;
}

.marquee-banner:hover .marquee-content {
    animation-play-state: paused;
}

.marquee-text {
    font-family: 'Helvetica', 'Arial', sans-serif;
    font-weight: bold;
    font-style: italic;
    font-size: 16px;
    color: #111;
    letter-spacing: 1px;
    padding-right: 50vw;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.marquee-banner:hover {
    /* color: var(--color-red); */
    background: rgba(255,255,255,.5);
}

@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Make marquee visible on mobile */
@media screen and (max-width: 768px) {
    .marquee-banner {
        height: 35px;
    }

    .marquee-text {
        font-size: 14px;
    }
}

/* Form Status Messages */
.form-message {
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    font-style: italic;
    font-size: 48px;
    letter-spacing: 2px;
    line-height: 1.4;
    margin-bottom: 8px;
    text-align: left;
}

.form-message.success {
    color: var(--color-blue);
    margin-bottom: 0;
}

.form-message.success + .form-message-details {
    margin-top: 0;
}

.form-message.error {
    color: var(--color-pink);
    font-size: 14px;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.form-message-details {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    font-size: 16px;
    letter-spacing: 0.5px;
    line-height: 1.6;
    color: var(--color-black);
    margin-bottom: 24px;
}

.form-hidden {
    display: none;
}

/* Mailing List Form */
#mailinglist-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mailing-list-intro {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-style: normal;
    color: var(--color-black);
    font-size: 16px;
    letter-spacing: 0.5px;
    line-height: 1.6;
    margin-bottom: 16px;
}