/* styles.css */
/* Custom Brand Font */
@font-face {
    font-family: 'Dream Avenue';
    src: local('Dream Avenue'), local('DreamAvenue'),
        url('./DreamAvenue.ttf') format('truetype'),
        url('./DreamAvenue.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    /* Color Palette */
    --clr-bg: #f9fbf9;
    --clr-text: #1a251c;
    --clr-text-light: #4a5c4d;
    --clr-primary: #123524;
    /* Deep forest green */
    --clr-primary-light: #2c5e43;
    --clr-accent: #8fb996;
    /* Soft bamboo green */
    --clr-white: #ffffff;
    --clr-surface: #eef3ef;

    /* Typography */
    --ff-main: 'Outfit', sans-serif;
    --ff-serif: 'Playfair Display', serif;
    --ff-brand: 'Dream Avenue', 'Playfair Display', serif;

    /* Spacing & Layout */
    --container-width: 1200px;
    --section-pad: 120px 0;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography styles */
h1,
h2,
h3,
h4,
.serif {
    line-height: 1.2;
    font-weight: 500;
    font-family: var(--ff-serif);
}

h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    letter-spacing: 0.02em;
    /* Serif usually benefits from slightly looser or normal tracking */
    margin-bottom: 1rem;
    color: var(--clr-white);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 1.5rem;
    color: var(--clr-primary);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--clr-primary);
}

p {
    font-size: 1.125rem;
    color: var(--clr-text-light);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Utilities */
.text-center {
    text-align: center;
}

.offset-top {
    margin-top: 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    color: var(--clr-primary-light);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--clr-accent);
    padding-bottom: 0.25rem;
}

.section-tag.light {
    color: var(--clr-accent);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s var(--ease-out-expo);
    cursor: pointer;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--clr-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(18, 53, 36, 0.15);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--clr-white);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--clr-primary);
    border: 1px solid var(--clr-primary);
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    background-color: rgba(249, 251, 249, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 4rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.navbar .logo {
    font-size: 2rem;
    transition: color 0.4s ease;
    display: flex;
    align-items: center;
}

.navbar.scrolled .logo {
    color: var(--clr-primary);
}

.logo span {
    color: var(--clr-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a:not(.btn-primary) {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--clr-white);
    transition: color 0.3s ease;
    position: relative;
}

.navbar.scrolled .nav-links a:not(.btn-primary) {
    color: var(--clr-text);
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: currentColor;
    transition: width 0.3s ease;
}

.nav-links a:not(.btn-primary):hover::after {
    width: 100%;
}

.navbar .btn-primary {
    padding: 0.75rem 1.5rem;
    background-color: var(--clr-white);
    color: var(--clr-primary);
}

.navbar.scrolled .btn-primary {
    background-color: var(--clr-primary);
    color: var(--clr-white);
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.1);
    /* for parallax/animation */
    animation: slowZoom 20s infinite alternate;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(18, 53, 36, 0.8) 0%, rgba(18, 53, 36, 0.3) 100%);
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0.7;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--clr-white);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 6px;
    background-color: var(--clr-white);
    border-radius: 2px;
    animation: scroll 2s infinite cubic-bezier(0.15, 0.41, 0.69, 0.94);
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translate(-50%, 0);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, 15px);
    }
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

/* Vision Section */
.vision {
    padding: var(--section-pad);
    background-color: var(--clr-white);
}

.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* Email Capture Forms */
.email-capture {
    display: flex;
    gap: 0.5rem;
    margin-top: 2rem;
    max-width: 500px;
}

.email-capture input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 50px;
    font-family: var(--ff-main);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.email-capture input:focus {
    border-color: var(--clr-primary);
}

.investors .email-capture {
    margin: 2rem auto 0;
}

.investors .email-capture input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--clr-white);
}

.investors .email-capture input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.investors .email-capture input:focus {
    border-color: var(--clr-white);
}

.investors .email-capture .btn-primary {
    background: var(--clr-white);
    color: var(--clr-primary);
}

.bamboo-growing-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    background-color: var(--clr-surface);
    border-radius: 2rem;
    padding: 3rem;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Center since it's minimal */
    overflow: hidden;
    position: relative;
}

.minimal-bamboo {
    width: 100%;
    height: 100%;
    overflow: visible;
}

/* Base paths for JS manipulation */
.stalk-path,
.leaf-path {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    transition: stroke-dashoffset 0.1s linear;
    /* Smooth micro-transitions on scroll */
}

/* Investors Section */
.investors {
    padding: var(--section-pad);
    background-color: var(--clr-primary);
    color: var(--clr-white);
}

.investors h2,
.investors p {
    color: var(--clr-white);
}

.investors p {
    opacity: 0.8;
}

.investors .section-header p {
    max-width: 600px;
    margin: 0 auto 3rem;
}

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

.card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 2rem;
    border-radius: 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.4s var(--ease-out-expo);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    color: var(--clr-white);
    margin-bottom: 1rem;
}

.hover-lift:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Credits Section */
.credits {
    padding: var(--section-pad);
    background-color: var(--clr-bg);
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-list {
    list-style: none;
    margin: 2rem 0;
}

.feature-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--clr-text-light);
}

.feature-list li strong {
    color: var(--clr-text);
    font-weight: 500;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--clr-accent);
}

.glass-panel {
    background: var(--clr-white);
    border-radius: 2rem;
    padding: 4rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    display: flex;
    justify-content: center;
    align-items: center;
    aspect-ratio: 1;
}

/* Circular Chart */
.stat-circle {
    position: relative;
    width: 100%;
    max-width: 250px;
}

.circular-chart {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    max-height: 250px;
}

.circle-bg {
    fill: none;
    stroke: var(--clr-surface);
    stroke-width: 2.5;
}

.circle {
    fill: none;
    stroke-width: 2.5;
    stroke: var(--clr-primary);
    stroke-linecap: round;
    /* animation handled via JS/CSS */
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 2s var(--ease-out-expo);
}

.is-visible .circle {
    stroke-dashoffset: 15;
    /* 100 - 85 */
}

.stat-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.stat-text .percentage {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--clr-primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-text .label {
    font-size: 0.875rem;
    color: var(--clr-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* CO2 to O2 Animation Specifics */
.co2-animation-container {
    position: relative;
    width: 100%;
    max-width: 300px;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.co2-svg {
    width: 100%;
    height: 100%;
}

.gas-label {
    position: absolute;
    font-weight: 700;
    font-size: 1.5rem;
    font-family: var(--ff-serif);
}

.co2-in {
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #555;
    /* Dirty/Carbon Color */
}

.o2-out {
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #4a90e2;
    /* Clean/Oxygen Color */
}

.bubble {
    fill: #555;
    opacity: 0.6;
    animation: flowIn 3s linear infinite;
}

.bubble-o2 {
    fill: #4a90e2;
    opacity: 0.8;
    animation: flowOut 3s linear infinite;
}

@keyframes flowIn {
    0% {
        transform: translateX(0) translateY(0) scale(1);
        opacity: 0;
    }

    20% {
        opacity: 0.6;
    }

    80% {
        transform: translateX(80px) translateY(calc(-10px + var(--y-drift))) scale(1.2);
        opacity: 0;
    }

    100% {
        transform: translateX(80px) translateY(calc(-10px + var(--y-drift))) scale(1.2);
        opacity: 0;
    }
}

@keyframes flowOut {
    0% {
        transform: translateX(120px) translateY(0) scale(0.5);
        opacity: 0;
    }

    20% {
        opacity: 0.8;
    }

    100% {
        transform: translateX(200px) translateY(calc(-20px + var(--y-drift))) scale(1.5);
        opacity: 0;
    }
}

/* Footer */
.footer {
    background-color: var(--clr-primary);
    color: var(--clr-white);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand h2 {
    color: var(--clr-white);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand h2 span {
    color: var(--clr-accent);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--clr-white);
}

.footer-links p,
.footer-social a {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    display: block;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: var(--clr-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Animations */
.reveal-text {
    opacity: 0;
    transform: translateY(30px);
    animation: revealUp 1s var(--ease-out-expo) forwards;
}

.reveal-text.delay-1 {
    animation-delay: 0.2s;
}

.reveal-text.delay-2 {
    animation-delay: 0.4s;
}

@keyframes revealUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.column-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s var(--ease-out-expo);
}

.column-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

/* Responsive Basics */
@media (max-width: 900px) {

    .vision-grid,
    .split-layout {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero {
        padding: 0 2rem;
    }

    .navbar {
        padding: 1.5rem 2rem;
    }

    .navbar.scrolled {
        padding: 1rem 2rem;
    }

    .nav-links {
        display: none;
    }

    /* Add mobile menu later if needed */
}

/* Brand Styling Applied Everywhere */
.brand-font {
    font-family: var(--ff-brand);
    font-weight: normal;
    line-height: 1.1;
    color: inherit;
    text-align: center;
}

.brand-font .amp {
    font-family: var(--ff-main);
    font-weight: 300;
    font-size: 0.9em;
}

.brand-co {
    font-size: 0.45em;
    letter-spacing: 0.1em;
    display: inline-block;
    margin-top: 0.3em;
}

.inline-brand {
    display: inline-block;
    vertical-align: middle;
    line-height: 1;
}

.inline-brand .amp {
    font-size: 0.9em;
}

.inline-brand .brand-co {
    font-size: 1em;
    letter-spacing: normal;
    margin-top: 0;
    display: inline;
}

.logo .brand-font {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 0.25em;
    color: var(--clr-white);
}

.navbar.scrolled .logo .brand-font {
    color: var(--clr-primary);
}

.footer-brand h2 .brand-font {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    color: var(--clr-white);
}

.footer-brand h2 .brand-co {
    margin-top: 0.1em;
}