/* ============================================
   FRIENDS AND ALLIES - DESIGN SYSTEM
   Bauhaus-inspired, modular, community-focused
   ============================================ */

/* --- CSS VARIABLES (from styleguide) --- */
:root {
    /* Primary Palette */
    --color-teal: #3B8995;
    --color-burgundy: #4D192D;
    --color-coral: #E47D7D;
    --color-mustard: #F5D17B;
    --color-forest: #1B3022;

    /* Secondary Palette */
    --color-sky: #A9D1E9;
    --color-peach: #F2A07B;
    --color-mint: #70C1B3;
    --color-lavender: #8E7DBE;

    /* Neutrals */
    --bg-cream: #F9F9F7;
    --text-main: #2D2D2D;
    --white: #FFFFFF;
    --gray-light: #E8E8E6;
    --gray-medium: #9A9A9A;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-round: 50px;
    --radius-circle: 50%;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-weighted: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Typography */
    --font-main: 'Jost', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3.5rem;
    --font-size-hero: clamp(2.5rem, 8vw, 5rem);

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 800px;
}

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

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

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

/* Smooth page transitions */
body.transitioning {
    opacity: 0.95;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.02em;
}

h1 {
    font-size: var(--font-size-hero);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h2 {
    font-size: var(--font-size-3xl);
    color: var(--color-burgundy);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

h3 {
    font-size: var(--font-size-xl);
    color: var(--color-forest);
}

h4 {
    font-size: var(--font-size-lg);
    color: var(--color-burgundy);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

p {
    font-size: var(--font-size-base);
    font-weight: 300;
    max-width: 65ch;
}

.lead {
    font-size: var(--font-size-lg);
    font-weight: 400;
}

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

a:hover {
    color: var(--color-coral);
}

/* --- LAYOUT UTILITIES --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

.section {
    padding: var(--space-2xl) 0;
    position: relative;
}

.section--alt {
    background: var(--white);
}

.section--teal {
    background: var(--color-teal);
    color: var(--white);
}

.section--burgundy {
    background: var(--color-burgundy);
    color: var(--white);
}

.section--forest {
    background: var(--color-forest);
    color: var(--white);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-md);
}

.grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Flex Utilities */
.flex {
    display: flex;
}

.flex--center {
    align-items: center;
    justify-content: center;
}

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

.flex--column {
    flex-direction: column;
}

.flex--wrap {
    flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* --- NAVIGATION --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    padding: var(--space-sm) var(--space-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.nav--scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav--hidden {
    transform: translateY(-100%);
}

.nav__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-burgundy);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

.nav__link {
    color: var(--color-forest);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    padding: var(--space-xs) 0;
}

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

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

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

/* Mobile Nav Toggle */
.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav__toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-forest);
    margin: 5px 0;
    transition: var(--transition-base);
}

/* Dropdown */
.nav__dropdown {
    position: relative;
}

.nav__dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--white);
    min-width: 200px;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.nav__dropdown:hover .nav__dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav__dropdown-link {
    display: block;
    padding: var(--space-xs) var(--space-sm);
    color: var(--text-main);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
}

.nav__dropdown-link:hover {
    background: var(--bg-cream);
    color: var(--color-teal);
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-round);
    font-family: var(--font-main);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: transform var(--transition-weighted),
                filter var(--transition-fast),
                box-shadow var(--transition-base);
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-3px);
    filter: brightness(1.05);
}

.btn:active {
    transform: translateY(-1px);
}

.btn--primary {
    background: var(--color-teal);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 137, 149, 0.3);
}

.btn--primary:hover {
    box-shadow: 0 6px 25px rgba(59, 137, 149, 0.4);
    color: var(--white);
}

.btn--secondary {
    background: var(--color-coral);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(228, 125, 125, 0.3);
}

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

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

.btn--outline:hover {
    background: var(--color-burgundy);
    color: var(--white);
}

.btn--mustard {
    background: var(--color-mustard);
    color: var(--color-forest);
}

.btn--white {
    background: var(--white);
    color: var(--color-teal);
}

.btn--lg {
    padding: 16px 36px;
    font-size: var(--font-size-base);
}

.btn--sm {
    padding: 8px 20px;
    font-size: var(--font-size-xs);
}

/* Playful button hover effects */
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn {
    position: relative;
    overflow: hidden;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

/* Button success state */
.btn--success {
    background: #28a745 !important;
    color: white !important;
    animation: popIn 0.3s ease;
}

/* Button loading state */
.btn--loading {
    pointer-events: none;
    position: relative;
    color: transparent !important;
}

.btn--loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Magnetic button effect class */
.btn--magnetic {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Button with icon bounce on hover */
.btn__icon {
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

/* --- CARDS --- */
.card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.4s ease;
}

.card:hover {
    transform: translateY(-10px) rotate(0.5deg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.12);
}

/* Card image zoom on hover */
.card__image {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card:hover .card__image {
    transform: scale(1.08);
}

/* Card content slide up on hover */
.card--reveal .card__content {
    transition: transform 0.4s ease;
}

.card--reveal:hover .card__content {
    transform: translateY(-8px);
}

/* Tilt effect class for cards */
.card--tilt {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--gray-light);
}

.card__content {
    padding: var(--space-md);
}

.card__tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-sky);
    color: var(--color-forest);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-round);
    margin-bottom: var(--space-sm);
}

.card__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xs);
}

.card__excerpt {
    color: var(--gray-medium);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-sm);
}

.card__meta {
    font-size: var(--font-size-xs);
    color: var(--gray-medium);
}

/* Card Variants with Bauhaus accents */
.card--accent-teal {
    border-bottom: 6px solid var(--color-teal);
}

.card--accent-coral {
    border-bottom: 6px solid var(--color-coral);
}

.card--accent-mustard {
    border-bottom: 6px solid var(--color-mustard);
}

.card--accent-mint {
    border-bottom: 6px solid var(--color-mint);
}

/* Geometric blob accent */
.card--blob::before {
    content: '';
    position: absolute;
    top: -15px;
    right: -15px;
    width: 60px;
    height: 60px;
    background: var(--color-sky);
    border-radius: var(--radius-circle);
    opacity: 0.6;
    transition: transform var(--transition-base);
}

.card--blob:hover::before {
    transform: scale(1.2);
}

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero__content {
    position: relative;
    z-index: 2;
}

.hero__eyebrow {
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-teal);
    margin-bottom: var(--space-sm);
}

.hero__title {
    color: var(--color-burgundy);
    margin-bottom: var(--space-md);
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: var(--color-forest);
    margin-bottom: var(--space-lg);
    max-width: 600px;
}

.hero__cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Geometric decorations */
.hero__geo {
    position: absolute;
    z-index: 1;
    opacity: 0.6;
    transition: transform var(--transition-slow);
}

.hero__geo--circle {
    width: 300px;
    height: 300px;
    border-radius: var(--radius-circle);
    background: var(--color-sky);
    top: 10%;
    right: 5%;
}

.hero__geo--semicircle {
    width: 200px;
    height: 100px;
    background: var(--color-peach);
    border-radius: 100px 100px 0 0;
    bottom: 20%;
    right: 15%;
}

.hero__geo--rect {
    width: 80px;
    height: 250px;
    background: var(--color-mustard);
    top: 30%;
    right: 25%;
}

/* --- FEATURE GRID --- */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.feature {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-circle);
    background: var(--color-sky);
    font-size: var(--font-size-2xl);
}

.feature__title {
    margin-bottom: var(--space-sm);
}

/* --- FORMS --- */
.form {
    max-width: 500px;
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
    color: var(--color-forest);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: var(--font-size-base);
    background: var(--white);
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 4px rgba(59, 137, 149, 0.15);
    transform: translateY(-2px);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Floating label effect */
.form-group--float {
    position: relative;
}

.form-group--float .form-label {
    position: absolute;
    top: 16px;
    left: 16px;
    font-size: var(--font-size-base);
    color: var(--gray-medium);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-transform: none;
    letter-spacing: 0;
}

.form-group--float .form-input:focus ~ .form-label,
.form-group--float .form-input:not(:placeholder-shown) ~ .form-label {
    top: -10px;
    left: 12px;
    font-size: var(--font-size-xs);
    color: var(--color-teal);
    background: var(--white);
    padding: 0 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Input validation states */
.form-input--valid {
    border-color: #28a745 !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2328a745' stroke-width='2'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-input--invalid {
    border-color: var(--color-coral) !important;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

/* Input character counter */
.form-group__counter {
    font-size: var(--font-size-xs);
    color: var(--gray-medium);
    text-align: right;
    margin-top: 4px;
    transition: color 0.2s ease;
}

.form-group__counter--warning {
    color: var(--color-peach);
}

.form-group__counter--limit {
    color: var(--color-coral);
}

/* Playful checkbox/radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-check__input {
    appearance: none;
    width: 22px;
    height: 22px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-sm);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
}

.form-check__input:checked {
    background: var(--color-teal);
    border-color: var(--color-teal);
    transform: scale(1.1);
}

.form-check__input:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 6px;
    width: 6px;
    height: 10px;
    border: 2px solid white;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    animation: checkPop 0.3s ease;
}

@keyframes checkPop {
    0% { transform: rotate(45deg) scale(0); }
    50% { transform: rotate(45deg) scale(1.2); }
    100% { transform: rotate(45deg) scale(1); }
}

.form-check__input[type="radio"] {
    border-radius: 50%;
}

.form-check__input[type="radio"]:checked::after {
    top: 4px;
    left: 4px;
    width: 10px;
    height: 10px;
    border: none;
    background: white;
    border-radius: 50%;
    transform: none;
    animation: popIn 0.3s ease;
}

/* Form submit feedback */
.form--submitting {
    opacity: 0.7;
    pointer-events: none;
}

.form--success {
    animation: successPulse 0.6s ease;
}

@keyframes successPulse {
    0% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(40, 167, 69, 0); }
    100% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0); }
}

/* --- FOOTER --- */
.footer {
    background: var(--color-forest);
    color: var(--white);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer__brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.footer__tagline {
    opacity: 0.8;
    font-weight: 300;
}

.footer__title {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    color: var(--color-mustard);
}

.footer__links {
    list-style: none;
}

.footer__link {
    display: block;
    color: var(--white);
    opacity: 0.8;
    padding: var(--space-xs) 0;
    font-size: var(--font-size-sm);
    transition: opacity var(--transition-fast);
}

.footer__link:hover {
    opacity: 1;
    color: var(--color-coral);
}

.footer__bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

.footer__social {
    display: flex;
    gap: var(--space-md);
}

.footer__social a {
    color: var(--white);
    font-size: var(--font-size-lg);
}

/* --- GEOMETRIC DECORATIONS --- */
.geo-circle {
    border-radius: var(--radius-circle);
}

.geo-semicircle-top {
    border-radius: 100px 100px 0 0;
}

.geo-semicircle-bottom {
    border-radius: 0 0 100px 100px;
}

.geo-accent {
    position: absolute;
    pointer-events: none;
}

/* --- ANIMATIONS --- */
@keyframes fadeInUp {
    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 float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-3deg); }
    75% { transform: rotate(3deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.9);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    70% {
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes drawLine {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes colorShift {
    0% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(15deg); }
    100% { filter: hue-rotate(0deg); }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-wiggle {
    animation: wiggle 0.5s ease-in-out;
}

.animate-bounce {
    animation: bounce 0.6s ease infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-pop-in {
    animation: popIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.animate-scale-in {
    animation: scaleIn 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-rotate-in {
    animation: rotateIn 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* Scroll-triggered animation variants */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.animate-on-scroll--left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll--left.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-on-scroll--right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll--right.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-on-scroll--scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.animate-on-scroll--scale.animated {
    opacity: 1;
    transform: scale(1);
}

.animate-on-scroll--rotate {
    opacity: 0;
    transform: rotate(-5deg) translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Staggered animations with more playful timing */
.stagger > * {
    opacity: 0;
}

.stagger.animated > *:nth-child(1) { animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.05s forwards; }
.stagger.animated > *:nth-child(2) { animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.12s forwards; }
.stagger.animated > *:nth-child(3) { animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.19s forwards; }
.stagger.animated > *:nth-child(4) { animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.26s forwards; }
.stagger.animated > *:nth-child(5) { animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.33s forwards; }
.stagger.animated > *:nth-child(6) { animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.40s forwards; }
.stagger.animated > *:nth-child(7) { animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.47s forwards; }
.stagger.animated > *:nth-child(8) { animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.54s forwards; }

/* Pop stagger - more playful bouncy effect */
.stagger--pop.animated > *:nth-child(1) { animation: popIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.05s forwards; }
.stagger--pop.animated > *:nth-child(2) { animation: popIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.12s forwards; }
.stagger--pop.animated > *:nth-child(3) { animation: popIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.19s forwards; }
.stagger--pop.animated > *:nth-child(4) { animation: popIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.26s forwards; }
.stagger--pop.animated > *:nth-child(5) { animation: popIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.33s forwards; }
.stagger--pop.animated > *:nth-child(6) { animation: popIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.40s forwards; }

/* --- UTILITY CLASSES --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-teal { color: var(--color-teal); }
.text-coral { color: var(--color-coral); }
.text-burgundy { color: var(--color-burgundy); }
.text-mustard { color: var(--color-mustard); }
.text-forest { color: var(--color-forest); }
.text-white { color: var(--white); }

.bg-cream { background: var(--bg-cream); }
.bg-white { background: var(--white); }
.bg-teal { background: var(--color-teal); }
.bg-coral { background: var(--color-coral); }
.bg-burgundy { background: var(--color-burgundy); }
.bg-mustard { background: var(--color-mustard); }
.bg-forest { background: var(--color-forest); }
.bg-sky { background: var(--color-sky); }
.bg-mint { background: var(--color-mint); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.pt-xl { padding-top: var(--space-xl); }
.pb-xl { padding-bottom: var(--space-xl); }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-hero: 2.5rem;
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.5rem;
    }

    .nav__menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-sm);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__toggle {
        display: block;
    }

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

    .nav__toggle.active .nav__toggle-bar:nth-child(2) {
        opacity: 0;
    }

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

    .hero {
        min-height: auto;
        padding: 120px 0 var(--space-2xl);
    }

    .hero__geo {
        display: none;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .section {
        padding: var(--space-xl) 0;
    }

    .hero__cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}