/* ========================================
   CedanoLabs - Main Stylesheet
   Light Theme with Coral & Navy Accents
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-bg: #faf8f5;
    --color-bg-alt: #ffffff;
    --color-bg-elevated: #ffffff;
    --color-primary: #ff6b4a;
    --color-primary-dark: #e55a3a;
    --color-primary-light: #fff0ed;
    --color-text: #1a2b4a;
    --color-text-muted: #5a6a8a;
    --color-text-light: #8a95aa;
    --color-border: #e8e4df;
    --color-border-light: #f0ece7;
    
    /* Typography */
    --font-heading: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Sizing */
    --container-max: 1200px;
    --container-padding: 24px;
    --section-padding: 120px;
    --nav-height: 80px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 43, 74, 0.04);
    --shadow-md: 0 4px 24px rgba(26, 43, 74, 0.08);
    --shadow-lg: 0 12px 48px rgba(26, 43, 74, 0.12);
    --shadow-glow: 0 0 40px rgba(255, 107, 74, 0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* Utility Classes */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn--primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 4px 16px rgba(255, 107, 74, 0.3);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 8px 24px rgba(255, 107, 74, 0.4);
}

.btn--secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn--secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(250, 248, 245, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.nav--scrolled {
    box-shadow: var(--shadow-sm);
}

.nav__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.nav__logo-icon {
    color: var(--color-primary);
    font-size: 1.3rem;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

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

.nav__link:hover::after {
    width: 100%;
}

.nav__cta {
    padding: 12px 24px;
    background: var(--color-primary);
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav__cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero__dots {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, var(--color-border) 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.5;
}

.hero__shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.hero__shape--1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--color-primary-light), rgba(255, 107, 74, 0.2));
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero__shape--2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(26, 43, 74, 0.05), rgba(90, 106, 138, 0.1));
    bottom: -50px;
    left: -100px;
    animation-delay: -7s;
}

.hero__shape--3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--color-primary-light), rgba(255, 107, 74, 0.15));
    top: 50%;
    left: 40%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.05);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

.hero__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 60px var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 8px 16px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    box-shadow: var(--shadow-sm);
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--color-text);
}

.hero__title-accent {
    color: var(--color-primary);
    display: inline-block;
}

.hero__description {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 480px;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

/* Hero Visual - Code Card */
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.hero__card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero__card-header {
    display: flex;
    gap: 8px;
    padding: 16px 20px;
    background: var(--color-border-light);
    border-bottom: 1px solid var(--color-border);
}

.hero__card-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
}

.hero__card-dot:first-child {
    background: #ff6b6b;
}

.hero__card-dot:nth-child(2) {
    background: #ffd93d;
}

.hero__card-dot:nth-child(3) {
    background: #6bcb77;
}

.hero__card-content {
    padding: 32px;
}

.hero__code {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text);
}

.code-keyword {
    color: #8b5cf6;
}

.code-var {
    color: var(--color-text);
}

.code-fn {
    color: #3b82f6;
}

.code-prop {
    color: var(--color-primary);
}

.code-string {
    color: #10b981;
}

/* Scroll Indicator */
.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--color-text-light);
    font-size: 0.85rem;
}

.hero__scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    position: relative;
}

.hero__scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0.3;
    }
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.services__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.services__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 80px;
}

.services__label {
    display: inline-block;
    padding: 8px 16px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 24px;
}

.services__title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 24px;
    color: var(--color-text);
}

.services__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

/* Service Card */
.service-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: all var(--transition-base);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

.service-card__icon svg {
    width: 28px;
    height: 28px;
}

.service-card__title {
    font-size: 1.35rem;
    margin-bottom: 16px;
    color: var(--color-text);
}

.service-card__description {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-card__link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.service-card:hover .service-card__link {
    letter-spacing: 0.5px;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.contact__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact__content {
    padding-top: 20px;
}

.contact__label {
    display: inline-block;
    padding: 8px 16px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 24px;
}

.contact__title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 24px;
    color: var(--color-text);
}

.contact__description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact__info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--color-text);
    font-size: 1rem;
}

.contact__info-item svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Contact Form */
.contact__form {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 10px;
}

.form-input {
    width: 100%;
    padding: 16px 20px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input::placeholder {
    color: var(--color-text-light);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 74, 0.1);
}

.form-input:invalid:not(:placeholder-shown) {
    border-color: #ef4444;
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-text);
    color: white;
    padding: 60px 0 0;
}

.footer__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer__logo-icon {
    color: var(--color-primary);
}

.footer__tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    margin-top: 8px;
}

.footer__links {
    display: flex;
    gap: 32px;
}

.footer__link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: white;
}

.footer__social {
    display: flex;
    gap: 16px;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-base);
}

.footer__social-link:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

.footer__social-link svg {
    width: 18px;
    height: 18px;
}

.footer__bottom {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 24px var(--container-padding);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ========================================
   Animations
   ======================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for grouped elements */
.hero__content .animate-on-scroll:nth-child(1) { transition-delay: 0.1s; }
.hero__content .animate-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.hero__content .animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.hero__content .animate-on-scroll:nth-child(4) { transition-delay: 0.4s; }
.hero__visual.animate-on-scroll { transition-delay: 0.5s; }

.services__grid .service-card:nth-child(1) { transition-delay: 0.1s; }
.services__grid .service-card:nth-child(2) { transition-delay: 0.2s; }
.services__grid .service-card:nth-child(3) { transition-delay: 0.3s; }
.services__grid .service-card:nth-child(4) { transition-delay: 0.4s; }

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero__content {
        align-items: center;
    }
    
    .hero__description {
        max-width: 100%;
    }
    
    .hero__actions {
        justify-content: center;
    }
    
    .hero__visual {
        order: -1;
    }
    
    .hero__card {
        transform: none;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .contact__container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact__content {
        text-align: center;
    }
    
    .contact__info {
        align-items: center;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 20px;
        --section-padding: 60px;
        --nav-height: 70px;
    }
    
    .nav__menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav__menu.is-open {
        opacity: 1;
        visibility: visible;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__toggle.is-open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav__toggle.is-open span:nth-child(2) {
        opacity: 0;
    }
    
    .nav__toggle.is-open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero__title {
        font-size: 2.25rem;
    }
    
    .hero__description {
        font-size: 1.1rem;
    }
    
    .hero__actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero__actions .btn {
        width: 100%;
    }
    
    .hero__scroll {
        display: none;
    }
    
    .services__title,
    .contact__title {
        font-size: 1.75rem;
    }
    
    .service-card {
        padding: 32px;
    }
    
    .contact__form {
        padding: 32px;
    }
    
    .footer__container {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
    
    .footer__links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero__card-content {
        padding: 20px;
    }
    
    .hero__code {
        font-size: 0.8rem;
    }
}