/* ===================================
   1. CSS VARIABLES
   =================================== */
:root {
    /* Coffee Shop Color Palette - Warm, Cozy Tones */
    --color-primary: #8B4513;
    --color-primary-light: #A0522D;
    --color-primary-dark: #654321;
    --color-secondary: #D4A574;
    --color-accent: #E8C4A0;
    --color-background: #FFF8F0;
    --color-background-alt: #F4E4C1;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-black: #2C1810;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D1D1D1;
    --color-gray-600: #666666;
    --color-gray-800: #333333;

    /* Status Colors */
    --color-success: #4CAF50;
    --color-warning: #FF9800;
    --color-error: #F44336;
    --color-info: #2196F3;

    /* Typography */
    --font-primary: 'Georgia', 'Times New Roman', serif;
    --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;

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

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-mobile: calc(100% - 2rem);
    --container-tablet: 720px;
    --container-desktop: 960px;
    --container-wide: 1140px;
}

/* ===================================
   2. RESET / NORMALIZE
   =================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-secondary);
    color: var(--color-black);
    background-color: var(--color-background);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ===================================
   3. BASE STYLES
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: var(--spacing-sm);
}

.container {
    width: 100%;
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.section-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    margin: 0 auto;
}

/* ===================================
   4. BUTTONS
   =================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-align: center;
    font-family: var(--font-secondary);
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

/* ===================================
   5. NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-sm);
}

.navbar__logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 30px;
    height: 24px;
    background: transparent;
}

.navbar__toggle span {
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.navbar__menu {
    display: flex;
    gap: var(--spacing-md);
}

.navbar__link {
    color: var(--color-black);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

/* ===================================
   6. HERO SECTION
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: parallaxZoom 20s ease-in-out infinite;
}

@keyframes parallaxZoom {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.8), rgba(212, 165, 116, 0.6));
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero__rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.rating-stars {
    display: flex;
    gap: 0.25rem;
}

.star {
    font-size: 1.5rem;
    color: var(--color-gray-300);
}

.star.filled {
    color: #FFD700;
}

.hero__rating-text {
    font-size: 1.125rem;
    font-weight: 500;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-white);
    font-size: 0.875rem;
    animation: scrollBounce 2s ease-in-out infinite;
}

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

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: var(--color-white);
    opacity: 0.5;
}

/* ===================================
   7. ABOUT SECTION
   =================================== */
.about {
    padding: var(--spacing-xl) 0;
}

.about__content {
    max-width: 900px;
    margin: 0 auto;
}

.about__description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-md);
}

.about__highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.highlight-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.highlight-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.highlight-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.highlight-item p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* ===================================
   8. FEATURES SECTION
   =================================== */
.features {
    padding: var(--spacing-xl) 0;
    background: var(--color-background-alt);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.feature-card__description {
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: 0;
}

.atmosphere {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.atmosphere__title {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.atmosphere__tags {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 500;
}

.dining-options {
    text-align: center;
}

.dining-options__title {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.dining-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    max-width: 800px;
    margin: 0 auto;
}

.dining-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    background: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 500;
}

.dining-option__icon {
    font-size: 2rem;
}

/* ===================================
   9. HOURS SECTION
   =================================== */
.hours {
    padding: var(--spacing-xl) 0;
}

.hours__content {
    max-width: 600px;
    margin: 0 auto;
}

.hours__table {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.hours__row {
    display: flex;
    justify-content: space-between;
    padding: 1.25rem var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.hours__row:last-child {
    border-bottom: none;
}

.hours__row--closed {
    opacity: 0.6;
}

.hours__day {
    font-weight: 600;
    color: var(--color-black);
}

.hours__time {
    color: var(--color-primary);
    font-weight: 500;
}

.hours__row--closed .hours__time {
    color: var(--color-gray-600);
}

.hours__note {
    background: var(--color-background-alt);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
}

.hours__note p {
    margin-bottom: 0.5rem;
}

.hours__note p:last-child {
    margin-bottom: 0;
}

.hours__note strong {
    color: var(--color-primary);
}

/* ===================================
   10. REVIEWS SECTION
   =================================== */
.reviews {
    padding: var(--spacing-xl) 0;
    background: var(--color-background-alt);
}

.reviews__summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.reviews__overall {
    text-align: center;
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.reviews__score {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.reviews__stars {
    margin-bottom: var(--spacing-sm);
}

.reviews__count {
    color: var(--color-gray-600);
}

.reviews__distribution {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.distribution-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 0.75rem;
}

.distribution-bar:last-child {
    margin-bottom: 0;
}

.distribution-label {
    min-width: 30px;
    font-weight: 600;
    color: var(--color-primary);
}

.distribution-track {
    flex: 1;
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.distribution-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-normal);
}

.distribution-count {
    min-width: 30px;
    text-align: right;
    color: var(--color-gray-600);
}

.reviews__list {
    margin-bottom: var(--spacing-lg);
}

.review-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

.review-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.review-card__author {
    display: flex;
    gap: var(--spacing-sm);
}

.review-card__avatar {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.review-card__info {
    flex: 1;
}

.review-card__name {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: 0.25rem;
}

.author-name {
    font-weight: 600;
    color: var(--color-black);
}

.review-badge {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.review-card__date {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.review-card__rating .star {
    font-size: 1.25rem;
}

.review-card__text {
    line-height: 1.7;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-sm);
}

.review-card__context {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.context-tag {
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    background: var(--color-background-alt);
    border-radius: var(--radius-sm);
    color: var(--color-gray-700);
}

.review-card__detailed {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.detailed-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detailed-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.detailed-stars {
    display: flex;
    gap: 2px;
}

.detailed-stars .star {
    font-size: 1rem;
}

.review-card__source {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-200);
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

.review-source-icon {
    width: 20px;
    height: 20px;
}

.reviews__cta {
    text-align: center;
}

.reviews__cta p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   11. LOCATION SECTION
   =================================== */
.location {
    padding: var(--spacing-xl) 0;
}

.location__content {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.location__info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.info-card {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.info-card__icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.info-card__content h3 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.info-card__content p {
    margin-bottom: 0.25rem;
}

.info-card__secondary {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.info-card__link {
    color: var(--color-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.info-card__link:hover {
    color: var(--color-primary-dark);
}

.location__map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.location__actions {
    text-align: center;
}

/* ===================================
   12. FOOTER
   =================================== */
.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer__title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.footer__description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
}

.footer__rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer__subtitle {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.footer__links li {
    margin-bottom: 0.5rem;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__contact li {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer__link-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--color-secondary);
    color: var(--color-primary-dark);
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-top: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.footer__link-btn:hover {
    background: var(--color-white);
    transform: translateY(-2px);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer__location {
    margin-top: 0.5rem;
}

/* ===================================
   13. UTILITIES
   =================================== */
.hidden {
    display: none;
}

.visible {
    display: block;
}

.text-center {
    text-align: center;
}

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

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

/* ===================================
   14. MEDIA QUERIES
   =================================== */

/* Tablet */
@media (max-width: 1023px) {
    .container {
        max-width: var(--container-tablet);
    }

    .hero {
        min-height: 500px;
    }

    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 767px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

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

    /* Navigation */
    .navbar__toggle {
        display: flex;
    }

    .navbar__menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-normal);
        pointer-events: none;
    }

    .navbar__menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .navbar__link {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--color-gray-200);
    }

    /* Hero */
    .hero {
        min-height: 500px;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    /* Features */
    .features__grid {
        grid-template-columns: 1fr;
    }

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

    /* Reviews */
    .reviews__summary {
        grid-template-columns: 1fr;
    }

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

    /* Location */
    .location__info {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer__content {
        grid-template-columns: 1fr;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .dining-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   15. ANIMATIONS
   =================================== */

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Loading animation for lazy images */
.lazy-loading {
    background: var(--color-gray-200);
    animation: pulse 1.5s ease-in-out infinite;
}

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

/* Smooth reveal for sections */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}