/* --- CSS Reset & Variables --- */
:root {
    --primary-glow: rgba(0, 122, 255, 0.8); /* Apple Blue */
    --secondary-glow: rgba(255, 45, 85, 0.8); /* Apple Pink/Red */
    --tertiary-glow: rgba(52, 199, 89, 0.8); /* Apple Green */
    --background-color: #f5f5f7;
    --text-color: #1d1d1f;
    --subtle-text-color: #6e6e73;
    --glass-bg: rgba(242, 242, 247, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    --focus-outline: 3px solid var(--primary-glow);
    --border-radius: 18px;
    --transition-speed: 0.3s;
    --error-color: #ffe5e5;
    --error-text: #db2777;
    --success-color: #e6fffa;
    --success-text: #0d9488;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

/* --- Animated Gradient Background --- */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -1;
}

.gradient-bg__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
}

.gradient-bg__blob:nth-child(1) {
    background: var(--primary-glow);
    width: 500px;
    height: 500px;
    top: -150px;
    left: -150px;
    animation: move 20s infinite alternate;
}

.gradient-bg__blob:nth-child(2) {
    background: var(--secondary-glow);
    width: 600px;
    height: 600px;
    bottom: -200px;
    right: -200px;
    animation: move 25s infinite alternate-reverse;
}

.gradient-bg__blob:nth-child(3) {
    background: var(--tertiary-glow);
    width: 450px;
    height: 450px;
    bottom: 50px;
    left: 100px;
    animation: move 22s infinite alternate;
}

@keyframes move {
    from { transform: translate(0, 0) rotate(0deg) scale(1); }
    to { transform: translate(150px, 100px) rotate(180deg) scale(1.2); }
}


/* --- Animations --- */
@keyframes fadeInSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeInSlideUp 0.8s ease-out forwards;
    opacity: 0;
}

.fade-in.delay-1 { animation-delay: 0.2s; }
.fade-in.delay-2 { animation-delay: 0.4s; }


/* --- General Typography & Layout --- */
.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 0;
    position: relative;
    z-index: 2;
}

h1, h2, h3 {
    color: var(--text-color);
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 800;
}

h1 { font-size: clamp(3rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); text-align: center;}
p { margin-bottom: 1.5rem; color: var(--subtle-text-color); max-width: 65ch;}

/* --- Glassmorphism Panel --- */
.glass-panel {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    backdrop-filter: blur(25px) saturate(180%);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px 0 rgba(0, 0, 0, 0.1);
}

/* --- Header & Navigation --- */
.site-header {
    padding: 1rem 0;
    position: sticky;
    top: 1rem;
    z-index: 100;
    margin: 0 auto 1rem auto;
    width: 95%;
    max-width: 1124px;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-color);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--subtle-text-color);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    position: relative;
    transition: color var(--transition-speed), background-color var(--transition-speed);
}

.nav-links a:hover, .nav-links a:focus {
    color: var(--text-color);
    background-color: rgba(0,0,0,0.05);
}

/* --- Focus visible for keyboard users --- */
:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 4px;
    border-radius: var(--border-radius);
}
.nav-links a:focus-visible { outline-offset: 2px; }

/* --- Hero Section --- */
.hero {
    text-align: center;
    padding: 7rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero h1 {
    color: var(--text-color);
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--subtle-text-color);
}

.cta-button {
    display: inline-block;
    background: var(--primary-glow);
    color: #fff;
    font-weight: bold;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    margin-top: 1.5rem;
    border: none;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), filter var(--transition-speed);
    box-shadow: 0 10px 25px rgba(0, 122, 255, 0.3);
    position: relative;
}

.cta-button:hover, .cta-button:focus {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0, 122, 255, 0.4);
    filter: brightness(1.1);
}

/* --- Main Content Sections --- */
main {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 0 2.5%;
}

section {
    padding: clamp(3rem, 8vw, 6rem);
}

.about-content {
    margin: 0 auto;
    max-width: 800px;
}
.about-content h2, .about-content p {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

/* --- Services Section --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--glass-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition-speed), background-color var(--transition-speed);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    background-color: rgba(255, 255, 255, 0.5);
    border-color: var(--glass-border);
}

.service-card .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.service-card h3 {
    color: var(--text-color);
    font-weight: 700;
}

/* --- AI Idea Generator Section --- */
.idea-generator-form {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.idea-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.idea-btn {
    background: rgba(0,0,0,0.05);
    border: none;
    color: var(--subtle-text-color);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.idea-btn:hover:not(:disabled) {
    background-color: rgba(0,0,0,0.1);
    color: var(--text-color);
}

.idea-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

#idea-results-container {
    margin-top: 2rem;
    text-align: left;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    background: rgba(220, 220, 225, 0.5);
    border: 1px solid var(--glass-border);
    display: none; /* Hidden by default */
}

#idea-results-container h3 {
    margin-bottom: 1rem;
}

#idea-results-container ul {
    list-style-position: inside;
    padding-left: 0.5rem;
}

#idea-results-container li {
    margin-bottom: 0.75rem;
}

.idea-loader-container {
    display: flex;
    justify-content: center;
    padding: 2rem;
}

/* --- Contact Form --- */
.contact-form {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form h2 {
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--subtle-text-color);
}

.form-control {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
    background-color: rgba(220, 220, 225, 0.5);
    color: var(--text-color);
}
.form-control::placeholder {
    color: var(--subtle-text-color);
    opacity: 0.7;
}

.form-control:focus {
    border-color: var(--primary-glow);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.3);
    outline: none;
    background-color: rgba(220, 220, 225, 0.7);
}

.form-control[aria-invalid="true"] {
    border-color: var(--error-text);
}

.form-control[aria-invalid="true"]:focus {
    box-shadow: 0 0 0 3px rgba(219, 39, 119, 0.3);
}

.error-message {
    color: var(--error-text);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    font-weight: 500;
    display: none;
}

.form-control[aria-invalid="true"] ~ .error-message {
    display: block;
}

.ai-assistant-btn {
    background: rgba(0,0,0,0.05);
    border: none;
    color: var(--subtle-text-color);
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ai-assistant-btn:hover:not(:disabled) {
    background-color: rgba(0,0,0,0.1);
    color: var(--text-color);
}

.ai-assistant-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.loader {
    width: 12px;
    height: 12px;
    border: 2px solid var(--text-color);
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.submit-btn {
    display: block;
    width: 100%;
    padding: 1rem;
    background: var(--primary-glow);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: 0 8px 20px rgba(0, 122, 255, 0.25);
}

.submit-btn:hover:not(:disabled), .submit-btn:focus:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 122, 255, 0.35);
    filter: brightness(1.1);
}

.submit-btn:disabled {
    background: #b0b0b2;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* --- Form Status Message --- */
.form-status {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    background-color: var(--success-color);
    color: var(--success-text);
    display: block;
}

.form-status.error {
    background-color: var(--error-color);
    color: var(--error-text);
    display: block;
}

/* --- Footer --- */
.site-footer {
    text-align: center;
    padding: 3rem 0;
    background: transparent;
}

.social-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--subtle-text-color);
    transition: color var(--transition-speed), transform var(--transition-speed);
    display: inline-block;
}

.social-links a:hover, .social-links a:focus {
    color: var(--text-color);
    transform: scale(1.1);
}

.social-links svg {
    width: 24px;
    height: 24px;
}

/* --- Responsive Breakpoints (Mobile First) --- */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Simplification for this design, a menu button would be added in a real project */
    }
    .site-header {
        top: 0;
        width: 100%;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    main {
        padding: 0;
        gap: 0;
    }
    section.glass-panel {
        border-radius: 0;
        margin-bottom: 1rem;
        border-left: none;
        border-right: none;
    }
}
/* sr-only for accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}