:root {
    /* Colors */
    --clr-bg-pure: #060B10;
    --clr-bg-deep: #0B131C;
    --clr-bg-card: #12202E;
    --clr-text-main: #F6F1E1;
    /* Cream text */
    --clr-text-muted: #A3B5C3;

    /* Brand Gradient (The Dia Theme) */
    --gradient-brand: linear-gradient(135deg, #F6F1E1, #D9C3A0);
    --gradient-dark: linear-gradient(135deg, #204156, #12202E);
    --clr-accent: #D9C3A0;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--clr-bg-deep);
    color: var(--clr-text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1,
h2,
h3,
.card-title {
    font-family: var(--font-heading);
    color: var(--clr-text-main);
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), box-shadow var(--transition-normal);
    padding: 24px 0;
}

.header.scrolled {
    background-color: rgba(11, 19, 28, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    padding: 16px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--clr-text-main);
    letter-spacing: -0.5px;
}

.logo-img {
    height: 44px;
    width: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--clr-accent);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-icon {
    font-size: 24px;
    color: var(--clr-text-muted);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-icon:hover {
    color: var(--clr-text-main);
    transform: translateY(-2px);
    /* Adding subtle gradient glow on text isn't trivial across browsers, but a simple color change works */
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 60px;
    text-align: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* High quality studio photo placeholder that works well with the dark overlay */
    background-image: url('DSC06454.jpg');
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(6, 11, 16, 0.85);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero-logo {
    filter: brightness(0) invert(1) drop-shadow(0 4px 15px rgba(0, 0, 0, 0.3));
    opacity: 0.95;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -1px;
    animation: fadeUp 0.8s ease-out forwards;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--clr-text-muted);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

/* Calling button */
.cta-wrapper {
    position: relative;
    display: inline-block;
    animation: fadeUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.btn-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    border-radius: 12px;
    background: var(--gradient-brand);
    color: #0B131C;
    /* Dark text for contrast on cream button */
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.5px;
    overflow: hidden;
    z-index: 1;
    transition: transform var(--transition-fast);
}

.btn-primary:hover {
    transform: scale(1.05);
}

.btn-primary span {
    position: relative;
    z-index: 2;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-brand);
    z-index: 0;
    transition: opacity var(--transition-normal);
}

.btn-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-brand);
    filter: blur(30px);
    z-index: -1;
    opacity: 0.6;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    animation: pulseGlow 3s infinite alternate;
}

.btn-primary:hover .btn-glow {
    opacity: 0.9;
    transform: scale(1.1);
}

/* About Section */
.about {
    background-color: var(--clr-bg-deep);
    padding: 100px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.about-container {
    max-width: 800px;
    text-align: center;
}

.about-icon {
    font-size: 48px;
    margin-bottom: 24px;
    display: inline-block;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 24px;
}

.about-text {
    font-size: 1.15rem;
    color: var(--clr-text-muted);
    line-height: 1.8;
}

.about-text strong {
    color: var(--clr-text-main);
    font-weight: 600;
}

/* Conversion Section */
.conversion {
    background-color: var(--clr-bg-pure);
    padding: 100px 0;
    position: relative;
}

/* Gradient background subtle effect */
.conversion::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 80%;
    background: var(--gradient-brand);
    filter: blur(150px);
    opacity: 0.1;
    z-index: 0;
    border-radius: 50%;
    pointer-events: none;
}

.conversion-container {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
}

.conversion-card-wrapper {
    width: 100%;
    max-width: 600px;
    background: var(--gradient-dark);
    padding: 2px;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.conversion-card {
    background-color: var(--clr-bg-card);
    border-radius: 22px;
    padding: 48px;
    width: 100%;
}

.card-title {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 32px;
}

.card-content {
    /* To contain the Google Form iframe cleanly */
    min-height: 400px;
}

/* Mock Form Styles */
.lead-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--clr-text-muted);
}

.form-input {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px;
    color: var(--clr-text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--clr-accent);
    background-color: rgba(246, 241, 225, 0.08);
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
    margin-top: 8px;
}

.form-checkbox {
    margin-top: 4px;
    accent-color: var(--clr-accent);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.form-label-inline {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    line-height: 1.5;
    cursor: pointer;
}

.btn-submit {
    margin-top: 16px;
    background: var(--gradient-brand);
    color: #0B131C;
    border: none;
    padding: 18px;
    border-radius: 12px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: transform var(--transition-fast), filter var(--transition-fast);
}

.btn-submit:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.form-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--clr-text-muted);
    margin-top: 12px;
}

/* Footer */
.footer {
    background-color: #060B10;
    padding: 60px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo-img-small {
    height: 36px;
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: 20px;
}

.copyright,
.copyright-dev {
    color: rgba(209, 213, 219, 0.6);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes pulseGlow {
    from {
        opacity: 0.4;
    }

    to {
        opacity: 0.8;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        padding: 16px 0;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .conversion-card {
        padding: 32px 20px;
    }

    .btn-primary {
        width: 100%;
    }
}