/* ============================================
   PORTOWEB - Shared Styles
   ============================================ */

/* CSS Variables */
:root {
    --ink: #1a1a1a;
    --cream: #faf8f5;
    --terracotta: #c45d3a;
    --sage: #7a8f7a;
    --sand: #e8e2d9;
    --charcoal: #2d2d2d;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 25px 60px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Satoshi', sans-serif;
    background-color: var(--cream);
    color: var(--ink);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Instrument Serif', serif;
    font-weight: 400;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* Focus visibility (keyboard navigation) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.nav-toggle:focus-visible {
    outline: 2px solid var(--terracotta);
    outline-offset: 3px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.25rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: 1rem 5%;
    border-bottom-color: var(--sand);
    box-shadow: var(--shadow-sm);
}

.nav-logo {
    font-family: 'Instrument Serif', serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--ink);
    transition: color var(--transition-fast);
}

.nav-logo:hover {
    color: var(--terracotta);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ink);
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--terracotta);
    transition: width var(--transition-normal);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--terracotta);
}

.nav-cta {
    padding: 0.65rem 1.5rem;
    background: var(--ink);
    color: var(--cream) !important;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.nav-cta:hover {
    background: var(--terracotta);
    transform: translateY(-2px);
}

.nav-cta::after {
    display: none !important;
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--ink);
    transition: all var(--transition-normal);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--cream);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: right var(--transition-slow);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.5rem;
        padding: 0.75rem 0;
    }
    
    .nav-cta {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--ink);
    color: var(--cream);
}

.btn-primary:hover {
    background: var(--terracotta);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--ink);
    color: var(--cream);
    transform: translateY(-3px);
}

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

.btn-outline:hover {
    background: var(--terracotta);
    color: var(--cream);
    transform: translateY(-3px);
}

.btn svg {
    transition: transform var(--transition-normal);
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1rem;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: 6rem 5%;
}

.section-lg {
    padding: 8rem 5%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.container-sm {
    max-width: 800px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--terracotta);
    margin-bottom: 1rem;
    font-weight: 500;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-title em {
    font-style: italic;
    color: var(--terracotta);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--charcoal);
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   HERO SECTIONS
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 5% 4rem;
    position: relative;
}

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

.hero-label {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--terracotta);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title em {
    font-style: italic;
    color: var(--terracotta);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--charcoal);
    max-width: 550px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

/* Page Hero (smaller for internal pages) */
.page-hero {
    padding: 10rem 5% 5rem;
    text-align: center;
    background: linear-gradient(180deg, var(--cream) 0%, var(--sand) 100%);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(196, 93, 58, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero .hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

.page-hero .hero-description {
    margin: 0 auto 2rem;
    max-width: 600px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--sand);
    transition: all var(--transition-normal);
}

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

.card-featured {
    border: 2px solid var(--terracotta);
    position: relative;
}

.card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--terracotta);
    color: white;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--ink);
    color: var(--cream);
    padding: 5rem 5% 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto 4rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: 'Instrument Serif', serif;
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--cream);
}

.footer-brand p {
    opacity: 0.7;
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-heading {
    font-family: 'Satoshi', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    color: var(--cream);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--cream);
    opacity: 0.7;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--terracotta);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    opacity: 0.5;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cream);
    transition: all var(--transition-normal);
}

.footer-social a:hover {
    background: var(--terracotta);
    transform: translateY(-3px);
}

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

/* Fade Up Animation */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Animated entrance classes */
.animate-fade-up {
    animation: fadeUp 0.8s ease forwards;
}

.animate-fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; opacity: 0; }
.delay-2 { animation-delay: 0.4s; opacity: 0; }
.delay-3 { animation-delay: 0.6s; opacity: 0; }
.delay-4 { animation-delay: 0.8s; opacity: 0; }

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .fade-up {
        opacity: 1;
        transform: none;
    }

    .animate-fade-up,
    .animate-fade-in {
        animation: none;
        opacity: 1;
    }
}

/* Floating decorative elements */
.floating-shape {
    position: absolute;
    pointer-events: none;
    opacity: 0.1;
}

.floating-shape.circle {
    border-radius: 50%;
    background: var(--terracotta);
    animation: float 6s ease-in-out infinite;
}

.floating-shape.square {
    background: var(--sage);
    animation: float 8s ease-in-out infinite;
    animation-delay: 1s;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

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

.form-input,
.form-textarea {
    padding: 1rem 1.25rem;
    border: 1px solid var(--sand);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background: white;
    color: var(--ink);
    transition: all var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--terracotta);
    box-shadow: 0 0 0 3px rgba(196, 93, 58, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--charcoal);
    opacity: 0.5;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.bg-cream { background-color: var(--cream); }
.bg-sand { background-color: var(--sand); }
.bg-ink { background-color: var(--ink); color: var(--cream); }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.gap-2 { gap: 1.5rem; }
.gap-3 { gap: 2rem; }
.gap-4 { gap: 3rem; }

@media (max-width: 968px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 5%;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--charcoal);
}

.scroll-line {
    width: 40px;
    height: 1px;
    background: var(--charcoal);
    animation: pulse 2s ease-in-out infinite;
}

@media (max-width: 768px) {
    .scroll-indicator {
        display: none;
    }
}